CN102141200A - High-power LED (light emitting diode) light fitting - Google Patents

High-power LED (light emitting diode) light fitting Download PDF

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Publication number
CN102141200A
CN102141200A CN2010101039208A CN201010103920A CN102141200A CN 102141200 A CN102141200 A CN 102141200A CN 2010101039208 A CN2010101039208 A CN 2010101039208A CN 201010103920 A CN201010103920 A CN 201010103920A CN 102141200 A CN102141200 A CN 102141200A
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CN
China
Prior art keywords
driving power
led lamp
housing
lamp according
box
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Pending
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CN2010101039208A
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Chinese (zh)
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傅德军
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Individual
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Individual
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Priority to CN2010101039208A priority Critical patent/CN102141200A/en
Publication of CN102141200A publication Critical patent/CN102141200A/en
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Abstract

The invention discloses a high-power LED (light emitting diode) light fitting which comprises a shell, an LED light source, an optical lens and a driving power supply; the shell is provided with a center part and an outer ring; a plurality of radiating fins are connected between the center part and the outer ring; the LED light fitting also comprises a driving power supply box; the driving power supply is installed in the driving power supply box; a front wall plate of the driving power supply box is fixed on the rear end surface of the shell; the driving power supply box is provided with a first wiring hole; and the side surface of the driving power supply box is provided with a radiating wing which protrudes outward. The high-power LED light fitting provided by the invention has the advantages of better radiating effect, the waterproof tightness is also improved greatly, and the service life of the light fitting can be prolonged.

Description

High-power LED lamp
Technical field
The present invention relates to a kind of light fixture, be specifically related to a kind of high-power LED lamp.
Background technology
Plurality of advantages such as the LED lamp is low in energy consumption because of it, long service life and energy-conserving and environment-protective more and more are subjected to society's favor, therefore undergo an unusual development rapidly.The structure of LED lamp generally is made of lamp housing, led light source, lens and driving power etc., influences led light source service life for the heat that prevents the LED lamp is too high, generally also is provided with multi-form fin on lamp housing.For low power LED lamp, because of its power consumption is very low, caloric value seldom also can not be equipped with special thermal component, but for high-powered LED lamp, particularly those need the high-powered LED lamp of continuous illumination, and thermal component is absolutely necessary.
China's utility model patent 200720182800.5 discloses a kind of high-powered LED lamp, and it comprises shell, luminescence component and fin; Luminescence component comprises reflector, LED bulb and lens, fin is arranged in the outer shell passage radially, dock with the inwall of shell the outer end of every fin, an inner and annular barrel outer wall links, the front end face of all fin forms the anchor ring of a taper indent, and reflector is arranged on this anchor ring; The axis of annular barrel overlaps with housing axis, and the front end face of annular barrel is plane, and LED bulb and lens are installed on this plane.Because the heat dissipation channel that forms between the fin can allow to flow before and after the air, has strengthened radiating effect.But in this structure, the LED bulb of heating and driving power all are enclosed in the annular barrel at housing center, can influence heat and outwards distribute.In addition, the waterproof sealing of this lamp also awaits further improvement.
Summary of the invention
The technical problem to be solved in the present invention provides the better high-power LED lamp of a kind of heat dispersion.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of high-power LED lamp, comprise housing, led light source, lens and driving power, described housing has a central part and an outer ring, between central part and outer ring, be connected with a plurality of fin, also comprise a driving power box, described driving power is installed in the driving power box, the front panel of driving power box is fixed on the rear end face of housing, the driving power box is provided with first wire hole, and the side of driving power box is provided with outwards outstanding radiating wing.
Preferably, the front end of described central part is provided with a groove, and described led light source is installed in the groove, and described lens cover is enclosed in the groove on the opening of groove and with led light source, is provided with sealing ring between the edge of lens and groove.
More preferably, comprise that also a lens gland is pressed in the edge of lens, described lens gland is fixed on the housing by screw.
More preferably, the front panel of driving power box is provided with sealing ring by on the rear end face that is bolted to housing between the front panel of driving power box and the rear end face of housing, and described sealing ring is enclosed within on the described bolt.
Further, wherein the center of a bolt is provided with an axially extending bore, axially extending bore is connected with second wire hole that is arranged on bottom portion of groove, and the lead-in wire of described led light source passes described second wire hole, axially extending bore and is connected with driving power in the driving power box.
Preferably, described driving power box is made of box body and back shroud, is provided with sealing ring between described box body and the back shroud.
Preferably, described first wire hole is arranged on the back shroud, also is provided with sealing ring and clamp nut in described first wire hole.
Preferably, also be connected with lamp bracket on the described housing.
Preferably, described fin is linearly radial, helical is radial, wave is radial, helical cross network, ellipse cross network, straight line cross network or star-like radial.
Preferably, described housing, driving power box are made by casting aluminium material.
The invention has the beneficial effects as follows, owing to be provided with an independently driving power box at the rear portion of housing, heating components and parts in the box on the driving power circuit directly are connected with box case, form unobstructed thermal conduction effect, can directly distribute the heat that driving power produces, so radiating effect is better.The side of driving power box is provided with outwards outstanding radiating wing, can increase area of dissipation.In addition, the present invention has also taked tight seal approach, and waterproof sealing improves greatly, can protect led light source and driving power can not be subjected to moist infringement, prolongs the service life of light fixture.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the front view (front) of high-power LED lamp of the present invention.
Fig. 2 is the rearview of high-power LED lamp of the present invention.
Fig. 3 is the sectional structure chart of high-power LED lamp of the present invention.
Fig. 4 is the profile schematic diagram of driving power box box body.
Fig. 5 is a kind of rearview that has the lamp casing of the radial fin of helical of the present invention.
Fig. 6 is a kind of rearview that has the lamp casing of the radial fin of wave of the present invention.
Fig. 7 is a kind of rearview that has the lamp casing of helical cross network fin of the present invention.
Fig. 8 is a kind of rearview that has the lamp casing of ellipse cross network fin of the present invention.
Fig. 9 is a kind of rearview that has the lamp casing of straight line cross network fin of the present invention.
Figure 10 is a kind of rearview that has the lamp casing of star-like radial fin of the present invention.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of high-power LED lamp of the present invention comprises housing 1 and led light source 2, and housing 1 has a central part 11 and an outer ring 13, is connected with a plurality of fin 12 between central part 11 and outer ring 13.Forming between the adjacent fin 12 can be for the heat dissipation channel of circulation before and after the air.Also fixedly mount a driving power box 3 and lamp bracket 4 at the rear portion of housing 1, housing 1, driving power box 3 are made by casting aluminium material, have good heat conduction and heat radiation performance.
As shown in Figure 3, the front end of housing central part is provided with a circular groove 14, led light source 2 just is installed in this groove 14, lens 6 cover on the opening of groove 14 and with led light source 2 and are enclosed in the groove 14, be provided with sealing ring 61 between the edge of lens 6 and groove 14, can prevent that moisture from entering infringement led light source 2 in the groove 14.Lens gland 5 is pressed in the edge of lens 6, also rubber washer can be set between lens gland 5 and the lens 6.Lens gland 5 is fixed on the housing 1 by screw 51, and for the purpose of attractive in appearance, the central part that screw 51 passes housing 1 from behind is threaded with lens gland 5.
Driving power box 3 is made of box body 32 and back shroud 34, and back shroud 34 is fixed on the box body 32 by screw 38, is provided with sealing ring 33 between box body 32 and the back shroud 34, thereby in airtight space of the inner formation of box body.Driving power 8 just is installed in this airtight space, and back shroud 34 is provided with first wire hole 35, is connected with external power source for driving power 8.Also be provided with sealing ring 36 and clamp nut 37 in first wire hole 35, can guarantee the waterproof sealing at first wire hole, 35 places.The front panel 31 of driving power box is fixed on the rear end face of housing 1 by a plurality of bolts 7, also is provided with sealing ring 71 between the front panel 31 of driving power box and the rear end face of housing 1, and sealing ring 71 is enclosed within on the bolt 7, can guarantee the waterproof sealing at bolt hole place.Wherein the center of a bolt 7 is provided with an axially extending bore 72, axially extending bore 72 is connected with second wire hole 15 that is arranged on groove 14 bottoms, the lead-in wire 21 of led light source 2 passes second wire hole 15, axially extending bore 72 and is connected with driving power 8 in the driving power box, sealing ring 71 both can stop moisture to enter in the driving power box by bolt hole, also can stop moisture to enter in the groove 14 by second wire hole 15.
In fitting structure of the present invention, because the setting of fin, lamp casing has very big cooling surface area and unobstructed air flow passage, and the heat that is produced by led light source 2 can fully be distributed by housing 1; The heat that driving power 8 produces then can distribute by the driving power box, in order to increase the area of dissipation of driving power box, also is provided with outwards outstanding radiating wing 39 (as shown in Figure 4) in the side of box body 32.
In the present invention, the shape of fin can be diversified on the housing 1, except that Fig. 1, line of radiation shape shown in Figure 2, fin 12 also can be helical radial (as shown in Figure 5), wave radial (as shown in Figure 6), helical cross network (as shown in Figure 7), ellipse cross network (as shown in Figure 8), straight line cross network (as shown in Figure 9) or star-like radial (as shown in figure 10).With comparing of line of radiation shape, the fin of other shape has bigger area of dissipation, so radiating effect can be better.

Claims (10)

1. high-power LED lamp, comprise housing (1), led light source (2), lens (6) and driving power (8), described housing (1) has a central part (11) and an outer ring (13), between central part (11) and outer ring (13), be connected with a plurality of fin (12), it is characterized in that: also comprise a driving power box (3), described driving power (8) is installed in the driving power box (3), the front panel (31) of driving power box (3) is fixed on the rear end face of housing (1), driving power box (3) is provided with first wire hole (35), and the side of driving power box (3) is provided with outwards outstanding radiating wing (39).
2. high-power LED lamp according to claim 1, it is characterized in that: the front end of described central part (11) is provided with a groove (14), described led light source (2) is installed in the groove (14), described lens (6) cover on the opening of groove (14) and with led light source (2) and are enclosed in the groove (14), are provided with sealing ring (61) between the edge of lens (6) and groove (14).
3. high-power LED lamp according to claim 2 is characterized in that: comprise that also a lens gland (5) is pressed in the edge of lens (6), described lens gland (5) is fixed on the housing (1) by screw (51).
4. high-power LED lamp according to claim 2, it is characterized in that: the front panel of driving power box (31) is fixed on the rear end face of housing (1) by bolt (7), be provided with sealing ring (71) between the rear end face of front panel of driving power box (31) and housing (1), described sealing ring (71) is enclosed within on the described bolt (7).
5. high-power LED lamp according to claim 4, it is characterized in that: wherein the center of a bolt (7) is provided with an axially extending bore (72), axially extending bore (72) is connected with second wire hole (15) that is arranged on bottom portion of groove, and the lead-in wire of described led light source (21) passes described second wire hole (15), axially extending bore (72) and is connected with driving power (8) in the driving power box.
6. high-power LED lamp according to claim 1 is characterized in that: described driving power box (3) is made of box body (32) and back shroud (34), is provided with sealing ring (33) between described box body (32) and the back shroud (34).
7. high-power LED lamp according to claim 1 is characterized in that: described first wire hole (35) is arranged on the back shroud (34), also is provided with sealing ring (36) and clamp nut (37) in described first wire hole (35).
8. high-power LED lamp according to claim 1 is characterized in that: also be connected with lamp bracket (4) on the described housing (1).
9. high-power LED lamp according to claim 1 is characterized in that: described fin (12) is linearly radial, helical is radial, wave is radial, helical cross network, ellipse cross network, straight line cross network or star-like radial.
10. high-power LED lamp according to claim 1 is characterized in that: described housing (1), driving power box (3) are made by casting aluminium material.
CN2010101039208A 2010-02-01 2010-02-01 High-power LED (light emitting diode) light fitting Pending CN102141200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101039208A CN102141200A (en) 2010-02-01 2010-02-01 High-power LED (light emitting diode) light fitting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101039208A CN102141200A (en) 2010-02-01 2010-02-01 High-power LED (light emitting diode) light fitting

Publications (1)

Publication Number Publication Date
CN102141200A true CN102141200A (en) 2011-08-03

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CN2010101039208A Pending CN102141200A (en) 2010-02-01 2010-02-01 High-power LED (light emitting diode) light fitting

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180355A (en) * 2013-05-28 2014-12-03 深圳市海洋王照明工程有限公司 LED lamp
CN104180344A (en) * 2013-05-28 2014-12-03 深圳市海洋王照明工程有限公司 LED lamp
CN104515103A (en) * 2013-09-30 2015-04-15 深圳市海洋王照明工程有限公司 Lamp
CN107816711A (en) * 2017-09-28 2018-03-20 兰溪市顶红振汇橡塑五金厂 Lamp water-proof device
JP2018116944A (en) * 2016-09-26 2018-07-26 東芝ライテック株式会社 LED lighting fixtures
CN119042593A (en) * 2024-10-30 2024-11-29 深圳市伯乐照明有限公司 Multi-layer radiating round-head spotlight explosion-proof lamp

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180355A (en) * 2013-05-28 2014-12-03 深圳市海洋王照明工程有限公司 LED lamp
CN104180344A (en) * 2013-05-28 2014-12-03 深圳市海洋王照明工程有限公司 LED lamp
CN104180355B (en) * 2013-05-28 2017-08-25 深圳市海洋王照明工程有限公司 A kind of LED lamp
CN104515103A (en) * 2013-09-30 2015-04-15 深圳市海洋王照明工程有限公司 Lamp
JP2018116944A (en) * 2016-09-26 2018-07-26 東芝ライテック株式会社 LED lighting fixtures
CN107816711A (en) * 2017-09-28 2018-03-20 兰溪市顶红振汇橡塑五金厂 Lamp water-proof device
CN107816711B (en) * 2017-09-28 2019-11-22 兰溪市顶红振汇橡塑五金厂 Lamp water-proof device
CN119042593A (en) * 2024-10-30 2024-11-29 深圳市伯乐照明有限公司 Multi-layer radiating round-head spotlight explosion-proof lamp

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Application publication date: 20110803