CN203052254U - Light-emitting diode (LED) illuminating device - Google Patents

Light-emitting diode (LED) illuminating device Download PDF

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Publication number
CN203052254U
CN203052254U CN2012205741001U CN201220574100U CN203052254U CN 203052254 U CN203052254 U CN 203052254U CN 2012205741001 U CN2012205741001 U CN 2012205741001U CN 201220574100 U CN201220574100 U CN 201220574100U CN 203052254 U CN203052254 U CN 203052254U
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CN
China
Prior art keywords
lamp bracket
led lighting
groove
lenses
light cover
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CN2012205741001U
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Chinese (zh)
Inventor
陈凯
黄建明
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Hangzhou Hpwinner Opto Corp
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Hangzhou Hpwinner Opto Corp
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Application filed by Hangzhou Hpwinner Opto Corp filed Critical Hangzhou Hpwinner Opto Corp
Priority to CN2012205741001U priority Critical patent/CN203052254U/en
Priority claimed from PCT/CN2013/072577 external-priority patent/WO2013135180A1/en
Application granted granted Critical
Publication of CN203052254U publication Critical patent/CN203052254U/en
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Abstract

The utility model discloses a light-emitting diode (LED) illuminating device, which comprises a lamp bracket, a circuit board, LED particles and a lens group, wherein the LED particles are arranged on the circuit board; the lens group is inversely buckled onto the lamp bracket; the lamp bracket is formed by a metal plate through a drawing process; the lamp bracket is provided with a groove; a tight fitting structure is formed between the groove and the circuit board; and a radiator is not arranged between the groove and the circuit board. The LED illuminating device is cooled through the lamp bracket. As the radiator does not need to be additionally arranged by the LED illuminating device disclosed by the utility model, and moreover, as a drawing aluminum lamp bracket can reach a heat dissipation effect which is the same as or even more excellent than that of a die-casting aluminum lamp bracket only by adopting a material which is 1/3-1/5 of the material of the die-casting aluminum lamp bracket, cost is greatly reduced, the heat conductivity coefficient of drawing aluminum is high, and the heat dissipation effect is good.

Description

The LED lighting device
Technical field
The utility model relates to lighting field, relates in particular to a kind of LED lighting device.
Background technology
Light emitting diode (LED, Light Emitting Diode) is a kind of semiconductor that electric energy can be converted into luminous energy, and it has changed the luminous principle luminous with the electricity-saving lamp tricolor powder of incandescent lamp tungsten filament, and adopts electroluminescence.
That the LED light fixture has is energy-conservation, the life-span is long, applicability good, the response time is short, environmental protection, lucuriant in design, advantage such as luminous color is pure, is the direction of light trade development.
Large-power lamps such as existing LED street lamp, Tunnel Lamp, bulkhead lamp capable often are welded to led light source on the one monoblock aluminium base, are fixed on then on the radiator, be closed to again in the lamp housing, thus the influence heat radiation.And whole lamp or single module all need to be furnished with radiator, even make that radiating effect is not good or reached better heat dissipation effect but cost is very high.
In addition, whole lamp need be equipped with a large amount of installation accessories, and installation procedure is many, and efficient is low.
And, existing LED lighting device, its lamp bracket all adopts die cast, and dimensional accuracy and surface smoothness are lower, the mould complexity, productivity ratio is low, needs the secondary machine moulding, in the die cast process, need expend a large amount of electric weight simultaneously.
Therefore, be necessary existing lighting device is improved.
The utility model content
The purpose of this utility model is to provide a kind of LED lighting device, to solve existing LED lighting device the technical problem that radiator, radiating effect are not good, cost is high need be set additionally.
To achieve these goals, the utility model provides a kind of LED lighting device, comprise: lamp bracket, circuit board, LED particle and set of lenses, described LED particle is arranged on the described circuit board, and described set of lenses back-off is on described lamp bracket, wherein, described lamp bracket is formed by deep-drawing technique by metallic plate, described lamp bracket is provided with groove, forms between described groove and the described circuit board and fits tightly structure, and do not have radiator between the two; Described LED lighting device dispels the heat by described lamp bracket.
Preferably, described lamp bracket is to be made into integration at 0.5mm to 5mm, after containing the raffinal sheet material pull and stretch of aluminium more than 95% by thickness.And the thermal conductivity factor of described lamp bracket is greater than 200W/ (mK).Preferable, the thermal conductivity factor of described lamp bracket is 230W/ (mK).
Preferably, be provided with a plurality of perforates in the described groove, comprise the circuit board positioning screw hole, described circuit board is fixed in the described groove by the screw with described circuit board positioning screw hole coupling.
Preferably, described perforate also comprises the set of lenses draw-in groove, accordingly, is provided with buckle structure around the described set of lenses, described set of lenses by described set of lenses draw-in groove back-off on described lamp bracket.
And the joint place of described groove and described set of lenses is provided with the solid silicon cushion rubber, and scribbles liquid silica gel at described solid silicon cushion rubber side.
Preferably, described perforate also comprises wire hole, and the water-proof wire of described back of circuit board carries out outlet by described wire hole.
Preferably, described perforate is wall shape structure, so that offer screwed hole and increase heat conduction contact area, concentrating of heat avoided in evenly heat conduction, forms better heat radiating effect.
Preferably, described wire hole place is provided with wedge silica gel circle.
Preferably, this LED lighting device also comprises light cover, and described light cover is fixed on the described lamp bracket.
Preferably, described light cover is provided with louvre, and after the heat that described LED particle produces conducted to described lamp bracket by described circuit board, the part heat was discharged by described louvre.
Preferably, be provided with some first fasteners around the described lamp bracket, be provided with some second fasteners on the described light cover accordingly, described light cover carries out horizontal locking positioning with described lamp bracket by described first fastener and cooperating of described second fastener.
Preferably, also be provided with some L type keepers around the described light cover, described L type keeper and the described first fastener acting in conjunction limit vertically moving of described light cover and described lamp bracket.
Preferably, described lamp bracket also is provided with first at its head and fastens the chain hole, and accordingly, described light cover is provided with second and fastens the chain hole.
Preferably, described light cover is being provided with support member with described groove corresponding position, and described light cover and described lamp bracket carry out axial restraint by described support member.
Preferably, leave the gap between described light cover and the described lamp bracket, the outer gap of described support member all can be used for heat loss through convection.
Preferably, described light cover is made by injection molding or metal.
Preferably, the head of described lamp bracket is provided with syndeton, and described syndeton forms with described lamp bracket pull and stretch, and described syndeton is provided with depression bar sheet metal locating hole, described depression bar sheet metal locating hole cooperates with a depression bar sheet metal, and described LED lighting device is connected with a lamp stand.
Preferably, described LED LED illumination device driving power is external, and its electric wire passes described lamp stand and derives.
In certain embodiments, this LED lighting device also comprises support bar and mounting bracket, and described support bar is connected with described lamp bracket, and described mounting bracket is connected with described support bar.
And this LED lighting device also comprises the LED driving power, and described LED driving power is placed on the described support bar.
The utility model makes it compared with prior art owing to adopt above technical scheme, has following advantage and good effect:
1) the utility model provides the LED lighting device to adopt the lamp bracket heat radiation, need not extra heat abstractor, thereby has simplified the structure of device, and has saved cost;
2) the utility model provides LED lighting device, its lamp bracket is to adopt by thickness to be made into integration at 0.5mm to 5mm, after containing the raffinal sheet material pull and stretch of aluminium more than 95%, so lamp bracket described in the utility model only need adopt the material of die casting aluminium lamp bracket 1/3 to 1/5 just can reach the radiating effect the same even more outstanding with die casting aluminium, cost only is 1/2 to 1/3 of die casting aluminium housing simultaneously;
3) thermal conductivity factor of pull and stretch aluminium is up to 230W/ (mK), strengthens greatly than the thermal diffusivity of die casting aluminium and section bar aluminium; And the material that aluminium plate uses is also few, has also reduced cost simultaneously; Therefore, LED illuminating product price described in the utility model is more cheap, and quality is lighter, is fit to use in various occasions, namely is applicable to the various types of lighting devices of various models;
4) the LED lighting device that provides of the utility model, band wall small structure design in the groove design of its lamp bracket, the groove, the design of first fastener etc. have all rolled up the area of dissipation of whole lamp, because its heat conduction contact area is big, the heat conduction evenly, avoided concentrating of heat, thereby heat dispersion is splendid;
5) whole lamp fitting is few, in light weight, and installation procedure is few, the production efficiency height.
6) degree of protection height, described light fixture adopts liquid silica gel and solid silicon cushion rubber double protection, can reach the IP68 degree of protection, has good sealing and water proofing property.
7) the utility model prepares the drawing and forming process application first in lamp bracket, adopt lamp bracket dimensional accuracy and surface smoothness height, intensity height, good rigidly that this technology processes, mould is simple, productivity ratio is high, and avoided a large amount of power consumptions of producing in the die cast process, effectively reduced whole lamp cost.
Description of drawings
The explosive view as the LED lighting device of street lamp that Fig. 1 provides for the utility model first embodiment;
The structural representation as the light cover in the LED lighting device of street lamp that Fig. 2 A to Fig. 2 B provides for the utility model first embodiment;
The structural representation as the lamp bracket in the LED lighting device of street lamp that Fig. 3 provides for the utility model first embodiment;
The sectional view as the LED lighting device of street lamp that Fig. 4 to Fig. 5 provides for the utility model first embodiment;
The structural representation as the LED lighting device of Tunnel Lamp that Fig. 6 provides for the utility model second embodiment;
The structural representation as the LED lighting device of factories and miness lamp that Fig. 7 provides for the utility model the 3rd embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the LED lighting device that the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only be used for convenient, the purpose of aid illustration the utility model embodiment lucidly.
Embodiment 1
See also Fig. 1 to Fig. 5, wherein, the explosive view as the LED lighting device of street lamp that Fig. 1 provides for the utility model first embodiment, the structural representation as the light cover in the LED lighting device of street lamp that Fig. 2 A to Fig. 2 B provides for the utility model first embodiment, the structural representation as the lamp bracket in the LED lighting device of street lamp that Fig. 3 provides for the utility model first embodiment, the sectional view as the LED lighting device of street lamp that Fig. 4 to Fig. 5 provides for the utility model first embodiment, extremely shown in Figure 5 as Fig. 1, the LED lighting device that the utility model first embodiment provides is as street lamp, this lighting device comprises: lamp bracket 100, circuit board (pcb board) 200, the LED particle, set of lenses 300, and light cover 400, described light cover 400 is fixed on the described lamp bracket 100, described LED particle is arranged on the described circuit board 200, described set of lenses 300 back-offs are on described lamp bracket 100, wherein, described lamp bracket 100 is formed by deep-drawing technique by metallic plate, described lamp bracket 100 is provided with groove 101, form between described groove 101 and the described circuit board 200 and fit tightly structure, and do not have radiator between the two; Described LED lighting device dispels the heat by described lamp bracket 100.Therefore, this lighting device does not need additionally to arrange radiator again, thereby greatly reduces cost.
Wherein, lamp bracket 100 is to be made into integration at 0.5mm to 5mm, after containing the raffinal sheet material pull and stretch of aluminium more than 95% by thickness.And the thermal conductivity factor of lamp bracket 100 is 230W/ (mK).So 100 of lamp brackets described in the utility model need to adopt the material of die casting aluminium lamp bracket 1/3 to 1/5 just can reach the radiating effect the same even more outstanding with die casting aluminium, cost only is 1/2 to 1/3 of die casting aluminium housing simultaneously; And the thermal conductivity factor of pull and stretch aluminium is up to 230W/ (mK), strengthens greatly than the thermal diffusivity of die casting aluminium and section bar aluminium; And the material that aluminium plate uses is also few, has also reduced cost simultaneously; Therefore, LED illuminating product price described in the utility model is more cheap, and quality is lighter, is fit to use in various occasions, namely is applicable to the various types of lighting devices of various models.Certainly; the thermal conductivity factor of lamp bracket 100 of the present utility model also can be greater than 230W/ (mK); the utility model is not limited with its concrete thermal conductivity factor, as long as adopt pull and stretch aluminium as lamp bracket, and utilizes LED light fixture that this lamp bracket dispels the heat all within protection domain of the present utility model.
And, be provided with a plurality of perforates in the groove 101, comprise circuit board positioning screw hole 102, circuit board 200 is fixed in the described groove 101 by the screw with circuit board positioning screw hole 102 couplings, circuit board 200 and lamp bracket groove 101 are fitted and connected with face, make that the heat on the circuit board 200 can promptly scatter by lamp bracket 100 conduction.In addition, described perforate also comprises set of lenses draw-in groove 103, accordingly, is provided with buckle structure around the set of lenses 300, and set of lenses 300 scioptics group draw-in grooves 103 back-offs are on lamp bracket 100.And groove 101 is provided with solid silicon cushion rubber 500 with the joint place of set of lenses 300, and scribbles liquid silica gel at solid silicon cushion rubber 500 sides.In addition, described perforate also comprises wire hole 104, and circuit board 200 back side water-proof wires 800 carry out outlet by wire hole 104, and wire hole 104 places are provided with wedge silica gel circle 600.By the joint place in lamp bracket groove 101 and set of lenses 300 solid silicon cushion rubber 500 is set, and scribbles liquid silica gel at solid silicon cushion rubber 500 sides, reach double-deck protective action; And by at water-proof wire wire hole 104 places, circuit board 200 back side, be provided with wedge silica gel circle 600, thereby realize the high-protection level of whole lamp, reach the sealing effectiveness of whole lamp.
Wherein, above-mentioned all perforates are wall shape structure, so that offer screwed hole and increase heat conduction contact area, concentrating of heat avoided in evenly heat conduction, forms better heat radiating effect.And light cover 400 is provided with louvre, and after the heat that the LED particle produces conducted to lamp bracket 100 by circuit board 200, the part heat was discharged by louvre.Wherein, light cover 400 is made by injection molding or metal.
And, be provided with some first fasteners 105 around the lamp bracket 100, be provided with some second fasteners 401 on the light cover 400 accordingly, light cover 400 carries out horizontal locking positioning with lamp bracket 100 by first fastener 105 and cooperating of second fastener 401; During installation, light cover 400 is positioned on the lamp bracket 100, exerts pressure a little, light cover 400 and lamp bracket 100 can be fixed by first fastener 105 and second fastener 401, if will pull down light cover 400, only need to push a little in the both sides that light cover 400 arranges second fastener 401 and get final product.And, also be provided with some L type keepers 402 around the light cover 400, L type keeper 402 and 105 actings in conjunction of first fastener, restriction light cover 400 vertically moves with lamp bracket 100.
Wherein, lamp bracket 100 also is provided with first at its head and fastens chain hole 106, and accordingly, light cover 400 is provided with second and fastens chain hole 404.The suitable chain two ends of length are individually fixed in first by screw and fasten chain hole 106 and second and fasten chain hole 404, when work high above the ground, light cover 400 can directly hang on lamp bracket by chain after pulling down by the both sides extruding admittedly, and do not need to look for the place to place, the also danger that does not have past ground to drop.
Wherein, light cover 400 is being provided with support member 405 with groove 101 corresponding positions, and light cover 400 carries out axial restraint with lamp bracket 100 by support member 405.100 of light cover 400 and lamp brackets are not air-tight state, and support member 405 other outer spaces all can be used for heat loss through convection.
Head at lamp bracket 100 is provided with syndeton 107, syndeton 107 forms with lamp bracket 100 pull and stretch, and syndeton 107 is provided with depression bar sheet metal locating hole 108, and depression bar sheet metal locating hole 108 cooperates with a depression bar sheet metal 700, and this LED lighting device is connected with a lamp stand.This LED LED illumination device driving power is external, and its electric wire passes lamp stand and derives.But the security of the external raising light fixture of LED driving power, the diffusion of the heat that produces when also being convenient to driving power work with assurance driving power operate as normal, and is convenient to change power supply.
The LED lighting device as street lamp that present embodiment provides, its whole lamp component count is few, and it is convenient to install, the installation effectiveness height.And can carry out free-hand maintenance, only need push a little in the light cover both sides and can pull down light cover.
Embodiment 2
LED lighting device in the present embodiment is as Tunnel Lamp, the structure of the LED lighting device that provides about present embodiment please refer to Fig. 6, the structural representation as the LED lighting device of Tunnel Lamp that Fig. 6 provides for the utility model second embodiment, as shown in Figure 6, the difference of the LED lighting device that provides among the LED lighting device in the present embodiment and first embodiment is:
1) the LED lighting device of present embodiment does not comprise light cover;
2) the LED lamp bracket 900 of present embodiment is provided with support bar and mounting bracket 204, particularly, this support bar comprises two montants and a cross bar, these two montants are connected with lamp bracket 900, this cross bar is fixed on these two montants, LED driving power 203 places on this cross bar, and mounting bracket 204 links to each other with a montant wherein; The LED lighting device of present embodiment is installed by this mounting bracket.
Except above-mentioned 2 differences, identical among the LED lighting device in the present embodiment and first embodiment do not repeat them here.
Embodiment 3
LED lighting device in the present embodiment is as the factories and miness lamp, the structure of the LED lighting device that provides about present embodiment please refer to Fig. 7, the structural representation as the LED lighting device of factories and miness lamp that Fig. 7 provides for the utility model the 3rd embodiment, as shown in Figure 7, the difference of the LED lighting device that provides among the LED lighting device in the present embodiment and first embodiment is:
1) the LED lighting device of present embodiment does not comprise light cover;
2) the LED lamp bracket 900 of present embodiment is provided with support bar and mounting bracket 204, particularly, this support bar comprises two montants and a cross bar, these two montants are connected with lamp bracket 900, this cross bar is fixed on these two montants, and LED driving power 303 places on this cross bar, and mounting bracket 304 also comprises two montants and a cross bar, two montants of this of mounting bracket 304 link to each other with two montants of support bar respectively, and this cross bar of mounting bracket 304 is fixed on two montant; The LED lighting device of present embodiment is installed by this cross bar of mounting bracket 304.
Except above-mentioned 2 differences, identical among the LED lighting device in the present embodiment and first embodiment do not repeat them here.
Certainly; by lamp bracket being done change a little; those skilled in the art can also change over different mounting means with LED lighting device of the present utility model; thereby can obtain can be applicable to the light fixture of other different occasions; yet as long as its major technology thought and the utility model are similar, the utility model also desire is included it within protection domain of the present utility model in.
Hereinafter will the preparation method of lamp bracket in the LED lighting device of the various embodiments described above be described in detail, this method specifically may further comprise the steps:
The pure aluminum plate blank is placed in the die cold extrusion chamber, and the sidewall in die cold extrusion chamber is consistent with the shape of pre-designed lamp bracket outer wall;
At room temperature, exert pressure to the pure aluminum plate blank that is placed in the die cold extrusion chamber by punch fixing on the forcing press, make blank produce the retrospective distortion;
Punch is risen, form lamp bracket finished product and taking-up.
In sum, the utility model provides a kind of LED lighting device, comprise: lamp bracket, circuit board, LED particle and set of lenses, described LED particle is arranged on the described circuit board, and described set of lenses back-off is on described lamp bracket, wherein, described lamp bracket is formed by deep-drawing technique by metallic plate, described lamp bracket is provided with groove, forms between described groove and the described circuit board and fits tightly structure, and do not have radiator between the two; Described LED lighting device dispels the heat by described lamp bracket.Because the LED lighting device that the utility model provides does not need additionally to arrange radiator, and because pull and stretch aluminium lamp bracket only need adopt the material of die casting aluminium lamp bracket 1/3 to 1/5 just can reach the radiating effect the same even more outstanding with die casting aluminium, therefore greatly reduce cost, and the thermal conductivity factor height of pull and stretch aluminium, good heat dissipation effect.
Obviously, those skilled in the art can carry out various changes and modification to utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims (11)

1. LED lighting device, it is characterized in that, comprise: lamp bracket, circuit board, LED particle and set of lenses, described LED particle is arranged on the described circuit board, and described set of lenses back-off is on described lamp bracket, wherein, described lamp bracket is formed by deep-drawing technique by metallic plate, described lamp bracket is provided with groove, forms between described groove and the described circuit board and fits tightly structure, and do not have radiator between the two; Described LED lighting device dispels the heat by described lamp bracket.
2. LED lighting device as claimed in claim 1 is characterized in that, described lamp bracket is to be made into integration at 0.5mm to 5mm, after containing the raffinal sheet material pull and stretch of aluminium more than 95% by thickness, and the thermal conductivity factor of described lamp bracket is greater than 200W/ (mK).
3. LED lighting device as claimed in claim 2 is characterized in that, is provided with a plurality of perforates in the described groove, comprises the circuit board positioning screw hole, and described circuit board is fixed in the described groove by the screw with described circuit board positioning screw hole coupling.
4. LED lighting device as claimed in claim 3 is characterized in that, described perforate also comprises the set of lenses draw-in groove, accordingly, is provided with buckle structure around the described set of lenses, described set of lenses by described set of lenses draw-in groove back-off on described lamp bracket.
5. LED lighting device as claimed in claim 4 is characterized in that, described perforate also comprises the set of lenses draw-in groove, accordingly, is provided with buckle structure around the described set of lenses, described set of lenses by described set of lenses draw-in groove back-off on described lamp bracket; The joint place of described groove and described set of lenses is provided with the solid silicon cushion rubber, and scribbles liquid silica gel at described solid silicon cushion rubber side.
6. LED lighting device as claimed in claim 5 is characterized in that, described perforate is wall shape structure.
7. as each described LED lighting device of claim 1 to 6, it is characterized in that, this LED lighting device also comprises light cover, described light cover is fixed on the described lamp bracket, described light cover is provided with louvre, after the heat that described LED particle produces conducted to described lamp bracket by described circuit board, the part heat was discharged by described louvre.
8. LED lighting device as claimed in claim 7, it is characterized in that, be provided with some first fasteners around the described lamp bracket, be provided with some second fasteners on the described light cover accordingly, described light cover carries out horizontal locking positioning with described lamp bracket by described first fastener and cooperating of described second fastener.
9. LED lighting device as claimed in claim 8 is characterized in that, also is provided with some L type keepers around the described light cover, and described L type keeper and the described first fastener acting in conjunction limit vertically moving of described light cover and described lamp bracket.
10. LED lighting device as claimed in claim 8 is characterized in that, described light cover is being provided with support member with described groove corresponding position, and described light cover and described lamp bracket carry out axial restraint by described support member; Leave the gap between described light cover and the described lamp bracket, the outer gap of described support member all can be used for heat loss through convection.
11. LED lighting device as claimed in claim 8, it is characterized in that, the head of described lamp bracket is provided with syndeton, described syndeton forms with described lamp bracket pull and stretch, and described syndeton is provided with depression bar sheet metal locating hole, described depression bar sheet metal locating hole cooperates with a depression bar sheet metal, and described LED lighting device is connected with a lamp stand.
CN2012205741001U 2012-11-02 2012-11-02 Light-emitting diode (LED) illuminating device Active CN203052254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205741001U CN203052254U (en) 2012-11-02 2012-11-02 Light-emitting diode (LED) illuminating device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012205741001U CN203052254U (en) 2012-11-02 2012-11-02 Light-emitting diode (LED) illuminating device
PCT/CN2013/072577 WO2013135180A1 (en) 2012-03-15 2013-03-14 Led lighting device and manufacturing method for lamp bracket for led lighting device

Publications (1)

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CN203052254U true CN203052254U (en) 2013-07-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175028A (en) * 2012-11-02 2013-06-26 杭州华普永明光电股份有限公司 Light-emitting diode (LED) lighting device and manufacturing method of lamp support therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175028A (en) * 2012-11-02 2013-06-26 杭州华普永明光电股份有限公司 Light-emitting diode (LED) lighting device and manufacturing method of lamp support therein

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