CN216281147U

CN216281147U - High-efficient heat dissipation type car LED lamp

Info

Publication number: CN216281147U
Application number: CN202123091193.0U
Authority: CN
Inventors: 祝遵明
Original assignee: Dongguan Paidao Industrial Co ltd
Current assignee: Dongguan Paidao Industrial Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-12
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a high-efficiency heat-dissipation type automobile LED lamp which comprises a heat-dissipation lamp body, wherein a lamp bead mounting plate is arranged inside the heat-dissipation lamp body and used for bearing a light-emitting element; the bulb chuck is arranged at the bottom of the heat dissipation lamp body and is used for being connected with the installation position; the heat dissipation rear cover is arranged at the tail of the heat dissipation lamp body, a plurality of heat dissipation teeth are arranged on the periphery of the heat dissipation rear cover in a surrounding mode, the cross section of the heat dissipation teeth surrounding the heat dissipation rear cover is in a snowflake shape, and the distance between every two heat dissipation teeth is 0.7-0.9 mm; wherein, lid integrated into one piece behind heat dissipation lamp body, lamp pearl mounting panel, bulb chuck and the heat dissipation. According to the efficient heat dissipation type automobile LED lamp, the heat dissipation lamp body, the lamp bead mounting plate, the bulb chuck and the heat dissipation rear cover are integrally formed, the overall size of the LED lamp can be reduced, the lamp body is thinner, more automobile models can be mounted, the heat dissipation rear cover is designed in a snowflake shape, the distance between heat dissipation teeth is optimized, a better heat dissipation effect can be achieved, and the heat dissipation condition of a high-power LED lamp can be met.

Description

High-efficient heat dissipation type car LED lamp

Technical Field

The utility model relates to the technical field of lighting equipment, in particular to a high-efficiency heat-dissipation type automobile LED lamp.

Background

LEDs, also known as light emitting diodes, are often used in light boxes, signboards, and indicator and backlight lamps for various electrical appliances, and are also often important components of automobile tail lights, high mounted stop lights, daytime running lights, and automobile headlights.

The LED is used as a headlamp light source and has the characteristics of high brightness, rich color types, low power consumption and long service life. In recent years, the appearance of an automobile is more and more popular due to the design requirement, the aerodynamic requirement and the attractive requirement, the shape of a headlamp is developed towards heterotypic and integration, the existing LED lamp is large due to the limitation of volume and heat dissipation, cannot be adapted to the shapes of the headlamps of various automobile types, the phenomenon of unmatched installation position exists, the heat dissipation effect of the LED lamp with small volume is poor, and the high-power LED lamp bead cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the technical problems that the existing LED lamp cannot be adapted to the shapes of headlamps of various vehicle types due to the limitation of volume and heat dissipation, has the phenomenon of unmatched installation positions, and the LED lamp with smaller volume has poor heat dissipation effect and cannot use a high-power LED lamp bead in the prior art. Therefore, the utility model provides the efficient heat dissipation type automobile LED lamp which is thin in lamp body, capable of being installed with more automobile models, good in heat dissipation effect due to the improved design of the heat dissipation rear cover and capable of meeting the use requirements of LED lamps with higher power.

According to some embodiments of the utility model, the high-efficiency heat-dissipation type automobile LED lamp comprises a heat-dissipation lamp body, wherein a lamp bead mounting plate is arranged inside the heat-dissipation lamp body and used for bearing a light-emitting element; the bulb chuck is arranged at the bottom of the heat dissipation lamp body and is used for being connected with a mounting position; the heat dissipation lamp body comprises a heat dissipation lamp body, a heat dissipation back cover and a plurality of heat dissipation teeth, wherein the heat dissipation back cover is arranged at the tail of the heat dissipation lamp body, the periphery of the heat dissipation back cover is annularly provided with the plurality of heat dissipation teeth, the sections of the heat dissipation teeth surrounding the heat dissipation back cover are snowflake-shaped, and the distance between the heat dissipation teeth is 0.7-0.9 mm; wherein, the heat dissipation lamp body, the lamp pearl mounting panel, the bulb chuck with lid integrated into one piece behind the heat dissipation.

According to some embodiments of the present invention, the heat dissipation rear cover includes a transition portion, a vertical portion and a connection portion, one end of the transition portion is connected to the heat dissipation lamp body, the other end of the transition portion is connected to the vertical portion, the transition portion is in an inclined umbrella shape, two sides of a cross section of the transition portion are in arc transition, and a diameter of the transition portion gradually increases from top to bottom; the other end of perpendicular portion with connecting portion connect, the diameter of perpendicular portion is greater than the diameter of connecting portion, both directly form the ladder layer.

According to some embodiments of the utility model, the thickness of the heat dissipation teeth is between 0.7 mm and 0.8 mm.

According to some embodiments of the utility model, the depth of the heat dissipation teeth is between 4.0 and 6.0 mm.

According to some embodiments of the utility model, the length of the vertical part is 0.5 to 0.6 times the length of the transition part, and the length of the vertical part is 1.0 to 1.2 times the length of the connection part.

According to some embodiments of the utility model, the heat dissipation rear cover is hollow inside, and a middle portion of the heat dissipation rear cover is communicated with a middle portion of the heat dissipation lamp body.

According to some embodiments of the utility model, the LED lamp beads are installed on two sides of the lamp bead installation plate, the temperature control component is arranged in the middle of the heat dissipation rear cover, the temperature control component is electrically connected with the LED lamp beads, and the temperature control component is used for detecting the temperature of the LED lamp beads, adjusting the output power and controlling the temperature; and one side of the vertical part of the heat dissipation rear cover is provided with a wire outlet, and a wire of the temperature control assembly penetrates through the wire outlet and extends out of the heat dissipation rear cover.

According to some embodiments of the present invention, the connecting portion of the heat dissipation rear cover is detachably connected to a fan mounting cover, a heat dissipation fan is disposed in the fan mounting cover, and the heat dissipation fan is electrically connected to the temperature control assembly; the bottom of the fan mounting cover is in a hollow-out arrangement, a fan mounting hole is formed in the middle of the fan mounting cover, and the heat dissipation fan is mounted on the fan mounting cover through the fan mounting hole.

According to some embodiments of the utility model, the configuration of the bulb chuck is matched according to different mounting position configurations.

According to some embodiments of the present invention, the heat dissipating lamp body, the bulb chuck and the heat dissipating rear cover are made of an aluminum alloy material.

The high-efficiency heat dissipation type automobile LED lamp provided by some embodiments of the utility model has at least the following beneficial effects: the heat dissipation lamp body the lamp pearl mounting panel the bulb chuck with lid integrated into one piece behind the heat dissipation can reduce the whole volume of LED lamp, lets the lamp body thinner, can install more automobile model, and the lid adopts snowflake design behind the heat dissipation, interval between the heat dissipation tooth is optimized, can bring better radiating effect, can satisfy the heat dissipation condition of high-power LED lamp.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of an efficient heat dissipation type LED lamp for an automobile according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of an efficient heat dissipation type LED lamp for a vehicle according to an embodiment of the utility model;

FIG. 3 is a side view of an exemplary high efficiency heat dissipating automotive LED lamp in accordance with the present invention;

FIG. 4 is a cross-sectional view of an exemplary high efficiency heat dissipating automotive LED lamp in accordance with the present invention;

fig. 5 is a schematic view of a fan mounting cover of a high-efficiency heat dissipation type automobile LED lamp according to an embodiment of the present invention.

Reference numerals:

the lamp comprises a heat radiation lamp body 100, a lamp bead mounting plate 110, a lamp bulb chuck 120, a heat radiation rear cover 130, a transition part 131, a vertical part 132, a connecting part 133, heat radiation teeth 140, an outlet hole 150, a fan mounting cover 160 and a fan mounting hole 161.

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 should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

An efficient heat dissipation type LED lamp for an automobile according to an embodiment of the present invention will be described with reference to fig. 1 to 5.

As shown in fig. 1-5, the high-efficiency heat dissipation type automotive LED lamp includes a heat dissipation lamp body 100, a bulb chuck 120, and a heat dissipation rear cover 130, which form a product housing of the LED lamp, wherein the heat dissipation lamp body 100, the bulb chuck 120, and the heat dissipation rear cover 130 are integrally formed, which can effectively reduce the size of the LED lamp and is suitable for more types of automobiles.

The casing of heat dissipation lamp body 100 extends perpendicularly, and inside is cavity setting, can follow parts such as mid-mounting lamp pearl and cable, avoids the part to expose outside the casing. The middle part lateral wall of heat dissipation lamp body 100 is inside sunken, with the inside cavity intercommunication of heat dissipation lamp body 100, and the inside middle part of heat dissipation lamp body 100 is provided with lamp pearl mounting panel 110, and in the depressed part that the light of lamp pearl can follow heat dissipation lamp body 100 dispersed the lamp shade of car, through the refraction and the reflection of the lens of lamp shade and bowl again to the direction of designateing illumination.

And a bulb chuck 120 disposed at the bottom of the heat dissipation lamp body 100, specifically, at the bottom region of the heat dissipation lamp body 100, along the bottom periphery of the heat dissipation lamp body 100, the bulb chuck 120 being used for connecting with the installation position of the automobile headlight.

Lid 130 behind the heat dissipation sets up in the afterbody of heat dissipation lamp body 100, and the periphery of lid 130 is provided with a plurality of heat dissipation teeth 140 around the heat dissipation, and the lamp pearl during operation can generate heat, and the heat that produces transmits to heat dissipation teeth 140 from lamp pearl mounting panel 110. In the present invention, the heat dissipation teeth 140 are circumferentially distributed around the heat dissipation rear cover 130, the cross section of the heat dissipation teeth 140 is in a snowflake shape, the distance between the heat dissipation teeth 140 is 0.7 to 0.9mm, when the heat is collected by each heat dissipation tooth 140, a convection effect can be formed between every two heat dissipation teeth 140, the heat moves in the up-and-down direction between the two heat dissipation teeth 140 to form an ascending trend, the heat passively dissipates upwards to play a role of assisting heat dissipation, when the distance between the two heat dissipation teeth 140 is too large, the heat between the two heat dissipation teeth 140 cannot form convection, when the distance between the two heat dissipation teeth 140 is too small, the heat between the two heat dissipation teeth 140 interferes with each other, a proper space is not left in the middle, the convection effect is poor, in this embodiment, the distance between the heat dissipation teeth 140 is 0.85 mm.

Specifically, lid 130 integrated into one piece behind heat dissipation lamp body 100, lamp pearl mounting panel 110, bulb chuck 120 and the heat dissipation, the radiating effect is better than current LED lamp radiating effect to integrated into one piece can be thinner to heat dissipation lamp body 100, is suitable for the car headlight of more models, inside heat dissipation lamp body 100 installed the lamp shade, bulb chuck 120 was connected in the mounted position of lamp shade, and lid 130 extends towards the engine compartment after the heat dissipation outside being located the lamp shade. Because the installation space behind the lampshade of each automobile model is different, the length of the heat dissipation rear cover 130 is shorter than that of the conventional LED lamp, so that the heat dissipation rear cover 130 can be suitable for different installation spaces, and the problem of poor heat dissipation effect caused by interference or distance between the heat dissipation rear cover 130 and parts in an engine compartment is avoided.

In some embodiments of the present invention, as shown in fig. 1, 3 and 4, in particular, the heat dissipation rear cover 130 includes a transition portion 131, a vertical portion 132 and a connection portion 133, in particular, one end of the transition portion 131 is connected to the heat dissipation lamp body 100, the other end of the transition portion 131 is connected to the vertical portion 132, the transition portion 131 is in a shape of an inclined umbrella, and the diameter of the transition portion 131 gradually increases from top to bottom. The top of transition portion 131 is the one end of being connected with heat dissipation lamp body 100, the bottom of transition portion 131 is the one end of being connected with vertical portion 132, transition portion 131 adopts the diameter that increases gradually, be favorable to the heat of lamp pearl mounting panel 110 to transmit along the heat dissipation fin of transition portion 131, finally concentrate in vertical portion 132, the diameter everywhere of vertical portion 132 is the same, the heat transmission of transition portion 131 is to vertical portion 132, the heat is gathered and is stayed in vertical portion 132, wait for the heat to give off. Specifically, the both sides of the cross section of the transition portion 131 are in arc transition, when heat is transferred to the arc transition portion 131 from the heat dissipation lamp body 100, the arc of the transition portion 131 can form a heat climbing slope, the diameter at the topmost portion is the smallest, the heat that can be absorbed is the smallest, after the heat capacity of the top heat dissipation tooth 140 reaches a certain degree, the heat absorption at the position can be slowed down, and the heat that is continuously transferred can be rapidly transferred to the heat dissipation tooth 140 of the vertical portion 132. The core of the structure is that the heat dissipation teeth 140 of the transition part 131 are reduced in size, so that the heat transfer effect is achieved, and compared with the transition part 131 with the existing cross section of which two sides are inclined straight lines, the heat dissipation teeth 140 of the arc-shaped transition part 131 are smaller in total size.

The other end of the vertical portion 132 is connected to the connecting portion 133, the diameter of the vertical portion 132 is larger than that of the connecting portion 133, the vertical portion 132 and the connecting portion 133 directly form a step layer, and the boundary between the connecting portion 133 and the vertical portion 132 is realized by the difference in diameter, so that the subsequent heat dissipation components of the connecting portion 133 can be conveniently connected.

In some embodiments of the present invention, as shown in fig. 1, 2 and 4, the thickness of the heat dissipation teeth 140 is between 0.7 mm and 0.8mm, and in this embodiment, the thickness of the heat dissipation teeth 140 is 0.8mm, which can ensure that the heat dissipation teeth 140 are not easily bent, and improve a certain bending strength. The depth of the heat dissipation teeth 140 is 4.0-6.0 mm, and the bottom of the heat dissipation teeth 140 can be communicated with the middle of the heat dissipation rear cover 130, so that the heat dissipation teeth 140 can be actively dissipated by a heat dissipation device in the heat dissipation rear cover 130.

In some embodiments of the present invention, as shown in fig. 3 and 4, the length of the vertical portion 132 is 0.5 to 0.6 times the length of the transition portion 131, the length of the vertical portion 132 is 1.0 to 1.2 times the length of the connection portion 133, and the length of the transition portion 131 is longer than that of the vertical portion 132, so that heat of the transition portion 131 can be transferred to the vertical portion 132 more quickly, and the whole heat dissipation process is promoted. The LED lamp adopts a mode of multiple transmission and heat dissipation, and realizes good temperature control through the rapid transmission effect of the transition part 131 and the small-area efficient heat dissipation effect of the vertical part 132.

In some embodiments of the present invention, as shown in fig. 1 and 2, the inside of the heat dissipation rear cover 130 is hollow, the middle of the heat dissipation rear cover 130 is communicated with the middle of the heat dissipation lamp body 100, LED beads (not shown in the drawings) are mounted on two sides of the bead mounting plate 110, and the middle of the heat dissipation rear cover 130 can accommodate a driving component (not shown in the drawings) of the LED beads. The middle part of lid 130 behind the heat dissipation still embeds there is a temperature control subassembly (not shown in the attached drawing), and temperature control subassembly is connected with LED lamp pearl electricity, and temperature control subassembly is used for detecting the temperature of LED lamp pearl and adjusts output and control temperature.

An outlet hole 150 is formed at one side of the vertical portion 132 of the heat dissipation rear cover 130, and a wire of the temperature control assembly passes through the outlet hole 150 and extends out. Specifically, the wire outlet hole 150 extends from the vertical portion 132 to the connecting portion 133, which facilitates wire management and reduces processing costs.

It should be understood that the outlet hole 150 is not only disposed in the vertical portion 132 and the connecting portion 133, but in other embodiments, the outlet hole 150 may be disposed in the vertical portion 132 according to actual production requirements, a hole is formed in the vertical portion 132, and the wires of the temperature control assembly pass through the outlet hole 150 and then are welded to the temperature control assembly, which is more attractive. The present invention does not need to describe the configuration of the wire outlet 150, and it should be understood that the configuration of the wire outlet 150 can be flexibly changed without departing from the basic concept of the present invention, and therefore, the present invention should be considered within the protection scope defined by the present invention.

In some embodiments of the present invention, as shown in fig. 1 and 5, the connecting portion 133 of the heat dissipation rear cover 130 is detachably connected to a fan mounting cover 160, and a heat dissipation fan (not shown in the drawings) is disposed in the fan mounting cover 160 and electrically connected to the temperature control assembly. The mounting opening of the fan mounting cover 160 can be buckled with the connecting part 133, so that the fan mounting cover is convenient to disassemble, and is more convenient and faster when the heat dissipation fan needs to be replaced.

The bottom of fan installation lid 160 is the fretwork setting, and the middle part of fan installation lid 160 is provided with fan mounting hole 161, and radiator fan passes through fan mounting hole 161 and installs on fan installation lid 160. Fan mounting hole 161 that forms on fan installation lid 160 can let radiator fan fixed connection cover 160, forms holistic part, is favorable to compressing the thickness of fan installation lid 160 to fan installation lid 160's fretwork setting can prevent to get into the leaves or the crotch in the engine compartment and get into radiator fan from fan installation lid 160 department, influences the initiative heat dissipation function of LED lamp. If the leaves enter the heat dissipation fan from the fan mounting cover 160, the leaves are blocked, the heat of the LED lamp cannot be dissipated, the LED lamp is burnt under severe conditions, the hollow structure is arranged at the fan mounting cover 160, a grid is formed, and the effect of protecting the heat dissipation fan can be achieved.

In some embodiments of the present invention, the configuration of the bulb chuck 120 is matched according to different mounting location configurations. The bulb chucks 120 may adopt models H1, H3, H4 and H7 according to actual conditions, and the specific structures of the bulb chucks 120 and the heat dissipation lamp body 100 are changed according to models required to be produced.

In some embodiments of the present invention, the heat dissipation lamp body 100, the bulb chuck 120, and the heat dissipation rear cover 130 are made of aluminum alloy, and the aluminum alloy is integrally formed, so that the heat dissipation efficiency of the LED lamp bead can be ensured under the condition that the overall volume of the LED lamp is lighter and thinner.

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. An efficient heat dissipation type automobile LED lamp, comprising:

the LED lamp comprises a heat radiation lamp body (100), wherein a lamp bead mounting plate (110) is arranged inside the heat radiation lamp body (100), and the lamp bead mounting plate (110) is used for bearing a light-emitting element;

the bulb chuck (120) is arranged at the bottom of the heat dissipation lamp body (100), and the bulb chuck (120) is used for being connected with an installation position;

the heat dissipation lamp body (100) is arranged on the tail portion of the lamp body (100), a plurality of heat dissipation teeth (140) are arranged on the periphery of the heat dissipation rear cover (130) in a surrounding mode, the cross section of the heat dissipation teeth (140) surrounding the heat dissipation rear cover (130) is in a snowflake shape, and the distance between every two heat dissipation teeth (140) is 0.7-0.9 mm;

the radiating lamp body (100), the lamp bead mounting plate (110), the bulb chuck (120) and the radiating rear cover (130) are integrally formed.

2. The high-efficiency heat dissipation type automobile LED lamp as claimed in claim 1, wherein the heat dissipation rear cover (130) comprises a transition portion (131), a vertical portion (132) and a connecting portion (133), one end of the transition portion (131) is connected with the heat dissipation lamp body (100), the other end of the transition portion (131) is connected with the vertical portion (132), the transition portion (131) is in an inclined umbrella shape, two sides of the cross section of the transition portion (131) are in arc transition, and the diameter of the transition portion (131) is gradually increased from top to bottom;

the other end of perpendicular portion (132) with connecting portion (133) are connected, the diameter of perpendicular portion (132) is greater than the diameter of connecting portion (133), and both directly form the ladder layer.

3. The high-efficiency heat dissipation type automobile LED lamp as claimed in claim 2, wherein the thickness of the heat dissipation teeth (140) is 0.7-0.8 mm.

4. The high-efficiency heat dissipation type automobile LED lamp as claimed in claim 3, wherein the depth of the heat dissipation teeth (140) is between 4.0 mm and 6.0 mm.

5. The high-efficiency heat dissipation type automobile LED lamp according to claim 3, wherein the length of the vertical portion (132) is 0.5-0.6 times the length of the transition portion (131), and the length of the vertical portion (132) is 1.0-1.2 times the length of the connecting portion (133).

6. The high-efficiency heat dissipation type automobile LED lamp as claimed in any one of claims 2 to 5, wherein the inside of the heat dissipation rear cover (130) is hollow, and the middle part of the heat dissipation rear cover (130) is communicated with the middle part of the heat dissipation lamp body (100).

7. The efficient heat dissipation type automobile LED lamp as claimed in claim 6, wherein LED lamp beads are mounted on two sides of the lamp bead mounting plate (110), a temperature control component is arranged in the middle of the heat dissipation rear cover (130), the temperature control component is electrically connected with the LED lamp beads, and the temperature control component is used for detecting the temperature of the LED lamp beads, adjusting output power and controlling the temperature;

an outlet hole (150) is formed in one side of the vertical portion (132) of the heat dissipation rear cover (130), and wires of the temperature control assembly penetrate through the outlet hole (150) and extend out of the temperature control assembly.

8. The high-efficiency heat dissipation type automobile LED lamp as claimed in claim 7, wherein the connecting portion (133) of the heat dissipation rear cover (130) is detachably connected with a fan mounting cover (160), a heat dissipation fan is arranged in the fan mounting cover (160), and the heat dissipation fan is electrically connected with the temperature control component;

the bottom of the fan mounting cover (160) is hollowed out, a fan mounting hole (161) is formed in the middle of the fan mounting cover (160), and the heat dissipation fan is mounted on the fan mounting cover (160) through the fan mounting hole (161).

9. The high efficiency heat dissipation type LED lamp for automobile as recited in claim 6, wherein the structure of the bulb chuck (120) is matched according to different installation position structures.

10. The LED lamp for the vehicle with high heat dissipation efficiency as recited in claim 6, wherein the heat dissipation lamp body (100), the bulb chuck (120) and the heat dissipation rear cover (130) are made of aluminum alloy.