CN217495442U

CN217495442U - LED lamp aluminum substrate

Info

Publication number: CN217495442U
Application number: CN202220328143.5U
Authority: CN
Inventors: 叶赞阳
Original assignee: Shenzhen Yizhuo Electronics Co ltd
Current assignee: Shenzhen Yizhuo Electronics Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-09-27
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a LED lamp aluminum substrate, which comprises an aluminum substrate main body, wherein a heat dissipation assembly is installed on the aluminum substrate main body, the heat dissipation assembly comprises a bottom plate fixed on the aluminum substrate main body, a groove is formed on the bottom plate, a cooling liquid is arranged in the groove, a waterproof layer is fixed at the groove and seals the cooling liquid, a plurality of openings are formed in the waterproof layer, heat conducting blocks are fixed at the openings, a plurality of integrated bending parts are arranged on the bottom plate, and the bending parts extend to the surface of the aluminum substrate main body and are tightly attached to the surface of the aluminum substrate main body; one side of the waterproof layer close to the aluminum substrate main body is provided with a plurality of connecting parts, and the connecting parts are provided with isolating nets with heat conductivity. The utility model discloses when using, the aluminium base board of monoblock is difficult for damaging because of power is too big, and the aluminium base board of LED lamp that is applicable to the high power uses.

Description

LED lamp aluminum substrate

Technical Field

The utility model relates to an aluminium base board field, concretely relates to aluminium base board of LED lamp.

Background

The led aluminum substrate is mainly applied to the fields of STK series power amplification hybrid integrated circuits, motorcycles, automotive electronics and the like.

When the existing LED aluminum substrate is used, defects exist, such as high power, untimely heat dissipation and damage, and the heat dissipation performance has defects.

Disclosure of Invention

The utility model aims to solve the technical problem that an aluminium base board of LED lamp can solve above-mentioned problem.

The utility model discloses a realize through following technical scheme: an LED lamp aluminum substrate comprises an aluminum substrate main body, wherein a heat dissipation assembly is mounted on the aluminum substrate main body, the heat dissipation assembly comprises a bottom plate fixed on the aluminum substrate main body, a groove is formed in the bottom plate, cooling liquid is arranged in the groove, a waterproof layer is fixed at the position of the groove and seals the cooling liquid, a plurality of openings are formed in the waterproof layer, heat conduction blocks are fixed at the openings, a plurality of integrated bending portions are arranged on the bottom plate, and the bending portions extend to the surface of the aluminum substrate main body and are tightly attached to the surface of the aluminum substrate main body; one side of the waterproof layer close to the aluminum substrate main body is provided with a plurality of connecting parts, and the connecting parts are provided with isolating nets with heat conductivity.

As the preferred technical scheme, be provided with the outage on the bottom plate, the inner wall of outage is provided with the internal thread, still includes the sealing plug, and the surface of sealing plug is provided with the external screw thread, external screw thread and internal thread phase-match, the sealing plug inserts to downthehole through the thread engagement of outage, and the junction of sealing plug and bottom plate is fixed with the sealing washer.

As the preferred technical scheme, the heat conduction block comprises a glue layer and a heat conduction metal layer from outside to inside, the glue layer and the waterproof layer are fixed in a sealing mode through waterproof glue, the surface of the heat conduction metal layer is provided with a waterproof coating, a plurality of connecting holes are formed in the glue layer, the connecting holes are communicated with the heat conduction metal layer, an extending portion is arranged on the glue layer and extends into cooling liquid, a cavity is formed in the extending portion, and helium is stored in the cavity.

As a preferred technical scheme, the isolation net is made of heat conducting metal, a connecting hole is formed in the isolation net, and the connecting part is inserted into the connecting hole; a plurality of guide holes are arranged on the substrate, and one ends of the guide holes face the connecting part.

The beneficial effects of the utility model are that: the utility model discloses when using, have good radiating effect, the aluminium base board of monoblock is difficult for damaging because of power is too big, is applicable to the aluminium base board of LED lamp of high power and uses.

Drawings

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

FIG. 1 is an overall view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a structural diagram of the heat conducting block of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do 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 therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "through", "plugged", and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 3, the aluminum substrate comprises an aluminum substrate main body 1, a heat dissipation assembly is mounted on the aluminum substrate main body 1, the heat dissipation assembly comprises a bottom plate 2 fixed on the aluminum substrate main body 1, a groove is formed in the bottom plate 2, a cooling liquid 3 is arranged in the groove, a waterproof layer 5 is fixed at the groove, the waterproof layer 5 seals the cooling liquid 3, a plurality of openings are formed in the waterproof layer 5, heat conduction blocks 6 are fixed at the openings, a plurality of integrated bending portions 50 are arranged on the bottom plate 2, and the bending portions 50 extend to the surface of the aluminum substrate main body 1 and are tightly attached to the surface of the aluminum substrate main body 1; a plurality of connecting parts 7 are arranged on one side of the waterproof layer 5 close to the aluminum substrate main body 1, and an isolation net 8 with heat conductivity is arranged at the connecting parts 7.

Wherein, be provided with outage 216 on the bottom plate 2, the inner wall of outage 216 is provided with the internal thread, still includes sealing plug 9, and the surface of sealing plug 9 is provided with the external screw thread, external screw thread and internal thread phase-match, sealing plug 9 insert to the outage 216 in through thread engagement, and the junction of sealing plug 9 and bottom plate 2 is fixed with the sealing washer, and sealed effect is good, and the sealing washer is convenient for install and is dismantled. And disassembling the sealing block, and discharging the cooling liquid through a liquid outlet.

Wherein, heat conduction piece 6 is by outer to interior including glue film 26 and heat conduction metal layer 16, and it is sealed fixed through the waterproof glue between glue film 26 and the waterproof layer 5, and heat conduction metal layer 16 surface is provided with waterproof coating, is provided with a plurality of connecting holes 60 on the glue film 26, and connecting hole 60 and heat conduction metal layer 16 switch on, are provided with extension 30 on the glue film 26, and in extension 30 extended to coolant liquid 3, be provided with the cavity in the extension 30, the storage has the helium in the cavity. The cooling liquid can be water or insulating liquid, and helium gas is safer.

Wherein, the separation net 8 is made of heat conducting metal, the separation net 8 is provided with a jack 90, and the connecting part 7 is inserted into the jack 90; the substrate is provided with a plurality of guide holes 20 through which an external air flow or the like acts on the connection portion, one end of the guide hole 20 facing the connection portion 7. The isolation net is used for absorbing heat at the bottom of the aluminum substrate.

When the technical scheme is used, the aluminum substrate can be fixed on the bottom plate through heat conducting glue or other modes. The heat exchange is carried out through the cooling liquid, and the heat on the aluminum substrate is absorbed.

When the heat conducting aluminum base plate is used, the heat conducting metal layer and the isolation net on the heat conducting block are used for absorbing heat on the base plate, the extending portion is also used for absorbing heat on the aluminum base plate, the extending portion can be used for stirring cooling liquid, flowing of the cooling liquid is facilitated, heat exchange is accelerated, and the bottom plate protects the bottom of the aluminum base plate.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. An LED lamp aluminum substrate comprises an aluminum substrate main body (1), and is characterized in that: the aluminum substrate comprises an aluminum substrate main body (1), wherein a heat dissipation assembly is installed on the aluminum substrate main body (1), the heat dissipation assembly comprises a bottom plate (2) fixed on the aluminum substrate main body (1), a groove is formed in the bottom plate (2), cooling liquid (3) is arranged in the groove, a waterproof layer (5) is fixed at the groove, the waterproof layer (5) seals the cooling liquid (3), a plurality of openings are formed in the waterproof layer (5), heat conduction blocks (6) are fixed at the openings, a plurality of integrated bending parts (50) are arranged on the bottom plate (2), and the bending parts (50) extend to the surface of the aluminum substrate main body (1) and are tightly attached to the surface of the aluminum substrate main body (1); a plurality of connecting parts (7) are arranged on one side of the waterproof layer (5) close to the aluminum substrate main body (1), and an isolation net (8) with heat conductivity is arranged at the connecting parts (7).

2. The LED lamp aluminum substrate of claim 1, wherein: be provided with outage (211) on bottom plate (2), the inner wall of outage (211) is provided with the internal thread, still includes sealing plug (9), and the surface of sealing plug (9) is provided with the external screw thread, external screw thread and internal thread phase-match, sealing plug (9) insert to in outage (211) through the thread engagement, and the junction of sealing plug (9) and bottom plate (2) is fixed with the sealing washer.

3. The LED lamp aluminum substrate of claim 1, wherein: heat conduction piece (6) are by outer including glue film (26) and heat conduction metal layer (16) to interior, it is sealed fixed through the waterproof glue between glue film (26) and waterproof layer (5), heat conduction metal layer (16) surface is provided with waterproof coating, be provided with a plurality of connecting holes (60) on glue film (26), connecting hole (60) and heat conduction metal layer (16) switch on, be provided with extension (30) on glue film (26), extension (30) extend to in coolant liquid (3), be provided with the cavity in extension (30), the storage has the helium in the cavity.

4. The LED lamp aluminum substrate of claim 1, wherein: the isolation net (8) is made of heat-conducting metal, a connecting hole (60) is formed in the isolation net (8), and the connecting part (7) is inserted into the connecting hole (60); a plurality of via holes (20) are provided in the substrate, and one end of each via hole (20) faces the connection section (7).