CN203784885U - Heat dissipation housing unit of large-power LED floodlight - Google Patents
Heat dissipation housing unit of large-power LED floodlight Download PDFInfo
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- CN203784885U CN203784885U CN201420154692.0U CN201420154692U CN203784885U CN 203784885 U CN203784885 U CN 203784885U CN 201420154692 U CN201420154692 U CN 201420154692U CN 203784885 U CN203784885 U CN 203784885U
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- Prior art keywords
- heat dissipation
- heat radiation
- main cavity
- power led
- radiation
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Abstract
The utility model discloses a heat dissipation housing unit of large-power LED floodlights. The heat dissipation housing unit comprises a heat dissipation basic member formed by extrusion molding. Heat dissipation clamping members formed through extrusion molding are disposed at two sides of the heat dissipation basic member respectively. The cross section of the length to the width of the heat dissipation basic member is 1:1.3. The heat dissipation basic member includes a heat dissipation substrate and a plurality of main fins molded on the heat dissipation substrate. Each heat dissipation clamping member includes a main cavity equipped with a drive. An auxiliary cavity wall used for mounting an LED light source is molded on each main cavity as a whole. The cross section of the length to the width of each main cavity is 1:1.3. Each main cavity is equipped with a plurality of auxiliary fins. The heat dissipation basic member and the heat dissipation clamping members can be molded through extrusion, and multiple thin fins can be molded through extrusion on external surfaces of the heat dissipation basic member and the heat dissipation clamping members, so that heat dissipation effects are improved. The technology of the heat dissipation housing unit can adapt to LED floodlights that differ in power. The heat dissipation housing unit is easy to manufacture, enables the production cost to be greatly saved and enables the production efficiency to be increased.
Description
[technical field]
The utility model relates to a kind of radiation shell group of LED Projecting Lamp, relates in particular to a kind of radiation shell group of high power LED projector, belongs to lighting technical field.
[background technology]
Along with the development of LED industry, LED energy-saving illumination technology is also constantly perfect, high-power LED lighting fixture has increasing application, but the problem such as the difficulty that current high-power LED lamp ubiquity heat radiation is undesirable, outward appearance is heavy, non-modular designs causes is safeguarded, power cannot be expanded.In order to meet the demand in market, people be badly in need of from outward appearance, cost, heat radiation, installation, modularized design, etc. aspect developing go out LED high-power light-projecting lamp of new generation.
The fin of traditional high power LED projector mainly dispels the heat by integrated die casting aluminium shell, in order to reduce volume, heat-dissipating casing is made cavity for elements such as built-in power drivings more, and such heat-dissipating casing can only die cast, cannot moulding radiating fin, can only go out heat sink strip in the die casting of heat-dissipating casing outer surface.Therefore radiating effect is bad, and on the other hand, the heat-dissipating casing of die cast, for the LED Projecting Lamp of different capacity, needs different moulds to carry out the heat-dissipating casing that the different heat radiations of moulding require, and cost is high, is unfavorable for producing.
[utility model content]
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art exactly, and a kind of good heat dissipation effect is provided, can extrusion molding, and only need to regulate length just can be suitable for the radiation shell group of the high power LED projector of different capacity heat radiation requirement.
The utility model is for solving the problems of the technologies described above, by the following technical solutions:
A kind of radiation shell group of high power LED projector, it is characterized in that comprising the heat radiation substrate of extrusion molding, the both sides of described heat radiation substrate are equiped with respectively the heat radiation fastener of extrusion molding, the length-width-ratio of the cross section of described heat radiation substrate is 1～1.3, described heat radiation substrate comprises heat-radiating substrate and is molded over the some main fin on heat-radiating substrate, described heat radiation fastener comprises the main cavity of installing optical drive, the one-body molded auxiliary chamber wall that is useful on installing LED light source on described main cavity, the length-width-ratio of the cross section of described main cavity is 1～1.3, described main cavity is provided with some auxiliary fins.
The radiation shell group of a kind of high power LED projector as described in Figure, is characterized in that described auxiliary fin is molded on the roof of described main cavity, and described main fin and the thickness of auxiliary fin are 0.3-0.6mm, and described main fin is consistent with the direction of auxiliary fin.
The radiation shell group of a kind of high power LED projector as above, it is characterized in that forming along its length respectively dovetail on superolateral two the main fins of described heat-radiating substrate, main cavity one side of described heat radiation fastener forms the dovetail groove matching with described dovetail.
The radiation shell group of a kind of high power LED projector as above, the dual-side that it is characterized in that described heat-radiating substrate forms chimb and forms groove with adjacent main fin, and main cavity one side of described heat radiation fastener forms the flanging that can embed along the chimb of described heat-radiating substrate described groove.
The radiation shell group of a kind of high power LED projector as above, is characterized in that described groove and described flanging also reinforce the connection by screw.
The radiation shell group of a kind of high power LED projector as above, the coupling part between the dovetail described in it is characterized in that and described main fin is concordant with the roof of described main cavity.
The radiation shell group of a kind of high power LED projector as above, is characterized in that the auxiliary chamber wall of two described heat radiation fasteners, the diapire of main cavity and described heat-radiating substrate form the sunk area of placing LED light source.
The radiation shell group of a kind of high power LED projector as above, is characterized in that another sidewall of described main cavity forms the draw-in groove that cross section is track type along its length, and the outer wall of described draw-in groove forms convex tendon.
The radiation shell group of a kind of high power LED projector as above, forms convex tendon group on the outer wall of the auxiliary chamber wall described in it is characterized in that.
The radiation shell group of a kind of high power LED projector as above, is characterized in that described heat radiation substrate and the thick wall part on heat radiation fastener all form the cambered surface groove of arranging along its length.
The utility model compared with prior art, has following advantage:
The utility model forms radiation shell group by the substrate both sides of dispelling the heat symmetrical installing heat radiation fastener, disperse the overall dimensions of radiation shell group, making to dispel the heat substrate can extrusion molding with heat radiation fastener, can increase area of dissipation at heat radiation substrate and the multiple thin fins of outer surface extrusion molding of heat radiation fastener simultaneously, improve radiating effect.
Because heat radiation substrate can extrusion molding with heat radiation fastener, the size of radiation shell group can change with the length of heat radiation fastener by cutting heat radiation substrate, without different moulds, different process just can adapt to the LED Projecting Lamp of different capacity size, make easily, greatly save production cost, enhanced productivity.
In the utility model, dispel the heat in the main cavity of fastener and can place component or power drives, contribute to dispel the heat sooner, meanwhile, the heat radiation fastener of inside establishing cavity has also increased area of dissipation, has improved further radiating effect.
[brief description of the drawings]
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model blast structural representation;
Fig. 3 is the A place enlarged drawing of Fig. 1;
Fig. 4 is the B place enlarged drawing of Fig. 1;
Fig. 5 is the C place enlarged drawing of Fig. 2;
Fig. 6 is the three-dimensional structure diagram of the embodiment mono-of the utility model application;
Fig. 7 is the three-dimensional structure diagram of the embodiment bis-of the utility model application.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Fig. 1-7, a kind of radiation shell group of high power LED projector, comprise the heat radiation substrate 1 of extrusion molding, the both sides of heat radiation substrate 1 are equiped with respectively the heat radiation fastener 2 of extrusion molding, the length-width-ratio of the cross section of heat radiation substrate 1 is 1～1.3, heat radiation substrate 1 comprises heat-radiating substrate 11 and is molded over the some main fin 12 on heat-radiating substrate 11, heat radiation fastener 2 comprises the main cavity 21 of installing optical drive, the one-body molded auxiliary chamber wall 22 that is useful on installing LED light source on main cavity 21, the length-width-ratio of the cross section of described main cavity 21 is 1～1.3, main cavity 21 is provided with some auxiliary fins 211, auxiliary fin 211 is molded on the roof of main cavity 21, main fin 12 is 0.3-0.6mm with the thickness of auxiliary fin 211, main fin 12 is consistent with the direction of auxiliary fin 211.With respect to LED Projecting Lamp, radiation shell component is become to three radiating pieces that cross-sectional area is less, be heat radiation substrate and the heat radiation fastener in the utility model, make every radiating piece can extrusion molding, heat sink strip on original heat-dissipating casing can be changed into relative thin and high radiating fin, also do not affect the technique of extrusion molding simultaneously.
Certainly, heat radiation substrate 1 can be also other shapes with heat radiation fastener 2, main feature is an original radiator to be split as basically identical three the shell groups of size, respectively can extrusion molding, thus can design of thin and high radiating fin, increase area of dissipation, the extrusion molding of three shell groups, can produce continuously, can cut different length by different capacity size, be assembled into the radiation shell group of different length, meet the heat radiation requirement of different capacity.A production line meets the radiation shell group of multiple power, has greatly saved production cost.
On superolateral two the main fins 12 of heat-radiating substrate 11, form along its length respectively dovetail 13, main cavity 21 1 sides of heat radiation fastener 2 form the dovetail groove 212 matching with described dovetail 13.
Form chimb and form groove 14 with adjacent main fin 12 at the dual-side of heat-radiating substrate 11, main cavity 21 1 sides of described heat radiation fastener 2 form the flanging 213 that can embed along the chimb of heat-radiating substrate 11 described groove 14.
Dovetail 13 and dovetail groove 212 are positioned at the top of heat radiation substrate 1 and heat radiation fastener 2, groove 14 and flanging 213 are positioned at the bottom of heat radiation substrate 1 and heat radiation fastener 2, connect along its length, the substrate 1 that makes to dispel the heat is more firm with the connection of heat radiation fastener 2, do not rock, groove 14 also reinforces the connection by screw 3 with flanging 213, even if just can ensure to increase the length of radiation shell group, also can ensure firmly not become flexible.Fig. 6 is the shorter LED Projecting Lamp embodiment mono-of radiation shell group, and Fig. 7 is the LED Projecting Lamp embodiment bis-that power that radiation shell group is grown is greater than embodiment mono-.
In the utility model, the coupling part between dovetail 13 and main fin 12 is concordant with the roof of main cavity 21, and main fin 12 is concordant with the top of auxiliary fin 211, and overall structure is simplified, and assembling easily, is easy to produce.
In the utility model, the diapire of the auxiliary chamber wall 22 of two heat radiation fasteners 2, main cavity 21 and heat-radiating substrate 11 form the sunk area of placing LED light source, for placing reflector.Auxiliary chamber wall 22 is a triangle cavity, also forms the card muscle for clamping LED Projecting Lamp shell on auxiliary chamber wall 22, all forms convex tendon simultaneously inside and outside its cavity, when increasing area of dissipation, has also reinforced the connection of radiation shell composition LED Projecting Lamp shell.
Another sidewall of main cavity 21 forms the draw-in groove 214 that cross section is track type along its length, for clamping LED Projecting Lamp shell, draw-in groove 214 is arranged along its length, its outer wall forms convex tendon 2141, on the outer wall of auxiliary chamber wall 22, form convex tendon group 221, increasing convex tendon 2141 and convex tendon group 221 is all to accelerate heat radiation in order to increase area of dissipation.
Heat-radiating substrate 11 has with the connection shaping of main fin 12 base 15 of reinforcement, make the easier extrusion moulding of structure of winner's fin 12, firmly increase again area of dissipation, strengthening base 15 arranges along the length direction of heat-radiating substrate 11, strengthening base 15 is cylindricality, can be rectangular post, can be also semicolumn.
All form at heat radiation substrate 1 and the thick wall part on heat radiation fastener 2 the cambered surface groove 4 of arranging along its length, when saving material, increase again area of dissipation, heat radiation substrate 1 thick wall part is being strengthened base 15, the heavy wall of heat radiation fastener 2 is in the cambered surface corner of the Yu Fu chamber, cambered surface corner of main cavity 21 wall 22, the thick wall part moulding cambered surface groove 4 with heat radiation fastener 2 at heat radiation substrate 1 respectively, the substrate 1 that makes to dispel the heat is small with heat radiation fastener 2 wall thickness difference, radiating rate is consistent, can some local wall thickness not excessive, heat radiation is slow, affect service life or the radiating effect of radiating piece.
Claims (10)
1. the radiation shell group of a high power LED projector, it is characterized in that: the heat radiation substrate (1) that comprises extrusion molding, the both sides of described heat radiation substrate (1) are equiped with respectively the heat radiation fastener (2) of extrusion molding, the length-width-ratio of the cross section of described heat radiation substrate (1) is 1～1.3, described heat radiation substrate (1) comprises heat-radiating substrate (11) and is molded over the some main fin (12) on heat-radiating substrate (11), described heat radiation fastener (2) comprises the main cavity (21) of installing optical drive, the upper one-body molded auxiliary chamber wall (22) that is useful on installing LED light source of described main cavity (21), the length-width-ratio of the cross section of described main cavity (21) is 1～1.3, described main cavity (21) is provided with some auxiliary fins (211).
2. the radiation shell group of a kind of high power LED projector according to claim 1, it is characterized in that described auxiliary fin (211) is molded on the roof of described main cavity (21), described main fin (12) is 0.3-0.6mm with the thickness of auxiliary fin (211), and described main fin (12) is consistent with the direction of auxiliary fin (211).
3. the radiation shell group of a kind of high power LED projector according to claim 2, it is characterized in that forming along its length respectively dovetail (13) on superolateral two the main fins of described heat-radiating substrate (11) (12), main cavity (21) one sides of described heat radiation fastener (2) form the dovetail groove (212) matching with described dovetail (13).
4. the radiation shell group of a kind of high power LED projector according to claim 3, the dual-side that it is characterized in that described heat-radiating substrate (11) forms chimb and forms groove (14) with adjacent main fin (12), and main cavity (21) one sides of described heat radiation fastener (2) form the flanging (213) that can embed along the chimb of described heat-radiating substrate (11) described groove (14).
5. the radiation shell group of a kind of high power LED projector according to claim 4, is characterized in that described groove (14) and described flanging (213) also reinforce the connection by screw (3).
6. the radiation shell group of a kind of high power LED projector according to claim 3, the coupling part between the dovetail (13) described in it is characterized in that and described main fin (12) is concordant with the roof of described main cavity (21).
7. according to the radiation shell group of a kind of high power LED projector described in any one in claim 1-6, it is characterized in that the auxiliary chamber wall (22) of two described heat radiation fasteners (2), the diapire of main cavity (21) and described heat-radiating substrate (11) form the sunk area of placing LED light source.
8. according to the radiation shell group of a kind of high power LED projector described in any one in claim 3-6, another sidewall that it is characterized in that described main cavity (21) forms the draw-in groove that cross section is track type (214) along its length, and the outer wall of described draw-in groove (214) forms convex tendon (2141).
9. according to the radiation shell group of a kind of high power LED projector described in any one in claim 1-6, on the outer wall of the auxiliary chamber wall (22) described in it is characterized in that, form convex tendon group (221).
10. according to the radiation shell group of a kind of high power LED projector described in any one in claim 1-6, it is characterized in that described heat radiation substrate (1) and the thick wall part on heat radiation fastener (2) all form the cambered surface groove (4) of arranging along its length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154692.0U CN203784885U (en) | 2014-03-31 | 2014-03-31 | Heat dissipation housing unit of large-power LED floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420154692.0U CN203784885U (en) | 2014-03-31 | 2014-03-31 | Heat dissipation housing unit of large-power LED floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784885U true CN203784885U (en) | 2014-08-20 |
Family
ID=51321065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420154692.0U Expired - Fee Related CN203784885U (en) | 2014-03-31 | 2014-03-31 | Heat dissipation housing unit of large-power LED floodlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784885U (en) |
-
2014
- 2014-03-31 CN CN201420154692.0U patent/CN203784885U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20190331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |