CN103277766A

CN103277766A - LED heat dissipating structure

Info

Publication number: CN103277766A
Application number: CN2013102078190A
Authority: CN
Inventors: 洪犹男
Original assignee: KRANC GREEN TECH Co Ltd
Current assignee: KRANC GREEN TECH Co Ltd
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2013-09-04
Anticipated expiration: 2033-05-30
Also published as: CN103277766B

Abstract

The invention provides an LED heat dissipating structure which is provided with a heat dissipating piece. A protruding post extends out of one end of the heat dissipating piece in the axial direction. A hollow portion extending to the protruding post in the axial direction is arranged in the heat dissipating piece. A plurality of heat dissipating fins extend from the periphery of the heat dissipating piece in an integrated mode. An axial through hole is formed in a supporting seat so that the supporting seat can be sleeved outside the protruding post of the heat dissipating piece. One end of the supporting seat abuts against the heat dissipating piece. The end face of the tail end of the protruding post tightly abuts against a semiconductor light-emitting module, so that heat generated is led out and dissipated through the heat dissipating piece. A microscope base is further pressed on the semiconductor light-emitting module and combined with the supporting seat.

Description

A kind of LED radiator structure

Technical field

The invention belongs to LED lamp part technical field, be specifically related to a kind of LED radiator structure.

Background technology

The structure of a kind of LED light fixture of Chu Shouing is shown in the 5th figure in the market, it includes by two parts 7 and combines and the heat radiation fin structure that forms, wherein the combinatorial surface 71 of parts 7 is provided with first storage tank 72, and the both sides in first storage tank 72 are provided with one second storage tank 73 respectively again, above-mentioned three parts are combined into one three through holes of the common formation in back, for heat radiation conduit 81 and the electric wire 82 of ccontaining semiconductor light emitting module 8.By said structure, the LED light fixture sees through heat radiation conduit 81 thermal conductance that semiconductor light emitting module 8 produces is gone out, and by radiating fin 74 heat is shed and reaches radiating effect.

But in the above-mentioned radiator structure, heat radiation conduit 81 must closely contact with first storage tank 72 just good thermal conduction effect, if the driving fit precision of the combinatorial surface 71 of parts 7 does not reach standard, it is bad that then heat passes effect, causes lamp temperatures too high and damage in the time of use easily.And on the other hand, the through hole that second storage tank 73 constitutes is in order to ccontaining electric wire 82, but electric wire 82 softer, easy deformation, need expend many times the electric wire 82 of distortion is placed in the through hole in assembling process, so just causes the shortcoming of assembly cost increase.

Be clipped in 71 of the combinatorial surfaces of parts 7 if electric wire 82 does not correctly place through hole, also can cause above-mentioned heat radiation conduit 81 heat can't be spread out of to the problem of radiating fin 74.Therefore, be necessary to provide a kind of more effective LED lamp cooling structure.

Summary of the invention

The purpose of this invention is to provide a kind of LED radiator structure, thereby the heat that light fixture is produced can conduct by this radiator structure fully, not because of mould manufacturing and the not enough radiating effect that influences product of assembly precision; And radiator structure of the present invention can be saved built-up time and reduce the assembling difficulty, thereby remedies the deficiencies in the prior art.

The present invention at first provides a kind of LED radiator structure, it is a radiating piece, described radiating piece includes a plurality of radiating fins that are installed on the supporting surface side, also includes one and is installed in supporting surface bottom, is used for and produces the projection that the light emitting module of heat directly or indirectly contacts.

Above-mentioned radiator structure, wherein said supporting surface and projection have hollow bulb; Described hollow bulb self-supporting over glaze is to extending to projection; The liquid of heat transmission is housed in hollow bulb.

Above-mentioned radiator structure also includes a supporting seat that is used for supporting radiating piece, and described supporting seat includes be used to the through hole that is inserted in projection, and wherein the length of through hole is not more than the length of projection;

In order to increase sealing, have first annular groove that is used for installing first sealing ring at the periphery wall ring of projection.

The present invention also provides a kind of LED light fixture, include above-mentioned radiating piece and supporting seat, also include the light cup of annulated column shape, one end of described smooth cup is installed on the supporting seat, and the other end is movably arranged on the microscope base, between light cup and microscope base light emitting module is installed, projection contacts with light emitting module; And supporting seat is used for and the external diameter on radiating piece 1 contacted first rank other rank greater than supporting seat, and described other rank include second rank, the 3rd rank.

One end of described smooth cup is by binding or screw lock and being installed on the 3rd rank of supporting seat, and the catching groove by the ramp structure that formed by clasp and bottom and microscope base interlock with.

Above-mentioned catching groove madial wall has the check hook part, and the inclined-plane of the ramp structure tabling of check hook part and end face formation and clasp and bottom formation.

The present invention also provides the mounting means of above-mentioned LED light fixture, be with described one or more LED lamp installation on intermediate plate; Concrete is exactly the installing hole that supporting seat is passed intermediate plate, and first terrace of supporting seat is butted on this intermediate plate, and this intermediate plate is pressed on first terrace with the hold-doun nut lock in this intermediate plate opposite side.

For better waterproof, be concaved with second annular groove at first terrace of supporting seat, and in wherein being provided with one second sealing ring.

Radiator structure of the present invention is that the radiating piece of its photo engine device and radiating fin are formed as one, and can reach the thermal conduction effect favorable effects, and see through simple member and combination, reach purpose simple and easy and that assemble rapidly, reduction man-hour and assembling difficulty reduce cost simultaneously.

Description of drawings

Fig. 1: radiating piece of the present invention and include the three-dimensional decomposition chart of the LED lamp of this radiating piece;

Fig. 2: the generalized section of LED lamp of the present invention;

Fig. 3: LED lamp of the present invention is fixed in the structural representation of an intermediate plate;

Fig. 4: a plurality of LED lamps of the present invention are fixed in the structural representation of an intermediate plate;

Fig. 5: the schematic diagram of existing LED lamp radiator structure;

Wherein: 1, radiating piece 11, supporting surface 12, projection 13, hollow bulb 14, radiating fin 121 first annular grooves 122, first sealing ring 123, end face 2, supporting seat 21, through hole 22, first rank 221, first terrace, 222 second annular grooves 223, second sealing ring 23, second rank 24, the 3rd rank 231, second terrace 3, light emitting module 4, microscope base 41, catching groove 42, check hook part 421, end face 5, light cup 51, clasp 52, bottom 6, intermediate plate 61, hold-doun nut 62, installing hole.

The specific embodiment

Below in conjunction with accompanying drawing radiator structure of the present invention and the structure and the assembling mode that comprise the LED lamp of this radiator structure are described in detail.

As depicted in figs. 1 and 2, LED radiator structure provided by the invention is radiating piece 1, and this radiating piece 1 can be cast into a shape, and the one end has a supporting surface 11, and this supporting surface 11 axially stretches out a projection 12 certainly.And this radiating piece 1 inside is provided with a hollow bulb 13 that extends axially to this projection 12, stretches out several radiating fins 14 in two sides of supporting surface 11.For projection 12, it can pass through screw socket, spiral way screws and is installed on the supporting surface 11, and, in order to prevent leak of liquid, perisporium is equipped with one first annular groove 121 outside projection 12, and one first sealing ring 122 wherein is housed, when screwing, first sealing ring 122 just can play good waterproof effect.

The liquid of heat transmission can be housed in hollow bulb 13, after absorbing heat energy, in this hollow bulb 13, evaporate formation gas, because density reduces floating rising, and the effect by this radiating piece 1 and radiating fin 14 sheds heat between the rising stage, make it return into liquid again and drop to the bottom again, form the circulation of heat radiation process accordingly, thereby obviously improve the efficient of heat radiation.

Wherein radiating piece 1 can be made by easy heat conductive metal material, and the liquid of heat transmission can be water.

Also alternative is equipped with a supporting seat 2 outside projection 12, and it has an axially extending bore 21, and it is outer also fixing with it that its size assurance can be sheathed on the projection 12 of radiating piece 1.These supporting seat 2 one ends support supporting surface 11 belows in radiating piece 1, and wherein the length of this projection 12 is not less than the length of the through hole 21 of this supporting seat 2, so just can make the end face 123 of projection 12 ends keep flushing with these supporting seat 2 through holes 21 at least.And when using, closely closing is in semiconductor light emitting module 3 for the end face 123 of projection 12, and the heat that semiconductor light emitting module 3 is produced passes to radiating fin 14 by projection 12; And, can easily semiconductor light emitting module 3 closely be contacted with the end face 123 of projection 12 by supporting seat 2.

Radiating piece of the present invention is easy to just can guarantee that radiator structure (projection 12) contacts with light emitting module by above-mentioned structure in assembling, thereby has reduced the difficulty of assembling.

In order to obtain better radiating effect, be provided with a heat eliminating medium layer in semiconductor light emitting module 3 and 123 of this projection 12 end faces, the heat eliminating medium layer can be that heat passes the high heat sink material of coefficient, in order to increase the hot transfer efficiency of this semiconductor light emitting module 3.

For the mounting means of semiconductor light emitting module 3 with projection 12, it can make semiconductor light emitting module 3 and supporting seat 2 combinations by microscope base 4, has so just formed the LED light fixture that includes radiator structure of the present invention.Specifically be exactly, supporting seat 2 axially is formed with gradually little stepped of three layers of external diameter down in it, is defined as first rank 22, second rank 23 and the 3rd rank 24 respectively, and wherein each joint, rank is formed with one first terrace 221 and one second terrace 231.And the combination of this microscope base 4 and this supporting seat 2 be outside the 3rd rank 24 of this supporting seat 2, be provided with a smooth cup 5. wherein this light cup 5 be central column, and to bind or to be incorporated into outside the 3rd rank 24 of this supporting seat 2 in the mode of screw closure, and be butted on this second terrace 231, and perisporium goes out a button portion 51 towards its radial expansion outside this light cup 5, and bottom surface 52 that should button portion 51 forms inclined-planes. on the other hand, this microscope base 4 have one in order to the catching groove 41 of these button portion 51 mutual fastenings, wherein the internal perisporium of this catching groove 41 is equipped with a check hook part 42, the end face 421 of this check hook part 42 also forms the inclined-plane, stretch into the catching groove 41 of this microscope base 4 with its button portion 51 for this light cup 5, and be snapped in this check hook part 42, so that this microscope base 4 is incorporated on this supporting seat 2.

Shown in the 3rd figure, LED light fixture of the present invention can be incorporated on the intermediate plate 6, further says, shown in the 4th figure, has several installing holes 62 on this intermediate plate 6, for several LED lamp installation in wherein.Concrete is exactly the installing hole 62 that supporting seat 2 is passed this intermediate plate 6, first terrace 221 with supporting seat 2 is butted on this intermediate plate 6, and be locked on second rank 23 of this supporting seat 2 with a hold-doun nut 61 in these intermediate plate 6 opposite sides, and this intermediate plate 6 is packed on this first terrace 221, the LED light fixture can be fixed on the intermediate plate 6 by this, and can be utilized as large-area laying.In addition, for reaching the waterproof purpose, be concaved with one second annular groove 22 on first terrace 221 of this supporting seat 2, and in wherein being provided with one second sealing ring 223, and suppress to seal the slit with this intermediate plate 6.

Claims

1. the radiator structure of a light fixture, it is a radiating piece (1), it is characterized in that, described radiating piece (1) includes a plurality of radiating fins (14) that are installed on supporting surface (11) side, also include one and be installed in supporting surface (11) bottom, be used for and produce the projection (12) that the light emitting module of heat directly or indirectly contacts.

2. radiator structure as claimed in claim 1 is characterized in that, described supporting surface (11) and projection (12) have hollow bulb (13); Described hollow bulb (13) self-supporting face (11) extends axially to projection (12); And the liquid of heat transmission is housed in hollow bulb (13).

3. radiator structure as claimed in claim 1, it is characterized in that also including a supporting seat (2) that is used for supporting radiating piece 1, described supporting seat (2) includes be used to the through hole that is inserted in projection (12) (21), and wherein the length of through hole (21) is not more than the length of projection (12).

4. as each described radiator structure of claim 1 to 3, it is characterized in that having first annular groove (121) that is used for installing first sealing ring (122) on the periphery wall ring of described projection (12).

5. LED light fixture, include the described radiating piece of claim 3 (1) and supporting seat (2), also include the light cup (5) of annulated column shape, one end of described smooth cup (5) is installed on the supporting seat (2), and the other end is movably arranged on the microscope base (4), between light cup (5) and microscope base (4), light emitting module (3) is installed, and projection (12) contacts directly or indirectly with light emitting module (3); And supporting seat (2) is used for and the external diameter on radiating piece 1 contacted first rank (22) other rank greater than supporting seat (2), and described other rank include second rank (23), the 3rd rank (24).

6. LED light fixture as claimed in claim 5, an end that it is characterized in that described smooth cup (5) is by binding or screw lock and being installed on the 3rd rank (24) of supporting seat (2), and the catching groove (41) by the ramp structure that formed by clasp (51) and bottom (52) and microscope base (4) interlock with.

7. LED light fixture as claimed in claim 6, it is characterized in that described catching groove (41) madial wall has check hook part (42), and check hook part (42) and the inclined-plane of end face (421) formation with the ramp structure tabling of clasp (51) and bottom (52) formation.

8. the installation method of the described LED light fixture of claim 6, be with described one or more LED lamp installation on intermediate plate (6).

9. installation method as claimed in claim 8, it is characterized in that it being the installing hole (62) that supporting seat (2) is passed intermediate plate (6), first terrace (221) of supporting seat (2) is butted on this intermediate plate (6), and this intermediate plate (6) is pressed on first terrace (221) with hold-doun nut lock (61) in this intermediate plate (6) opposite side.

10. installation method as claimed in claim 9 is characterized in that being concaved with second annular groove (222) on first terrace (221) of described supporting seat (2), and in wherein being provided with one second sealing ring (223).