CN101532611A - High-power LED light fitting - Google Patents
High-power LED light fitting Download PDFInfo
- Publication number
- CN101532611A CN101532611A CN200910037728A CN200910037728A CN101532611A CN 101532611 A CN101532611 A CN 101532611A CN 200910037728 A CN200910037728 A CN 200910037728A CN 200910037728 A CN200910037728 A CN 200910037728A CN 101532611 A CN101532611 A CN 101532611A
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- CN
- China
- Prior art keywords
- power led
- light source
- led lamp
- heat
- containing cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/80—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with pins or wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention discloses a high-power LED light fitting, which has excellent heat radiating effect, wide irradiation range, even faculae and smooth transition. The high-power LED light fitting comprises a metal shell (1), an LED light source assembly (2), a transparent protection cover (3) and a reflecting cover (4), wherein the front side of the shell (1) is provided with a light source accommodating cavity (13), the LED light source assembly (2) and the reflecting cover (4) are arranged in the light source accommodating cavity (13), the back side of the shell (1) is provided with a plurality of heat radiating sticks (11) arranged in arrays, the LED light source assembly (2) comprises a plurality of high-power LEDs (21) and a circuit radiating bottom plate (22), a horizontal plane (100) and at least one level inclined planes symmetrically distributed along two sides of the horizontal plane (100) are arranged in the light source accommodating cavity (13), and the circuit radiating bottom plate (22) is contacted and is fixedly connected with the inclined planes and transmits the heat generated by the high-power LEDs (21) to the shell, so that the heat is radiated by the heat radiating sticks (11). The high-power LED light fitting can be widely applied in the field of LED light fittings.
Description
Technical field
The present invention relates to a kind of high-power LED lamp.
Background technology
LED is applied in various occasions as a kind of novel illumination light source just more and more widely with outstanding advantages such as its energy-saving and environmental protection, luminous efficiency height, life-span length.Adopt high-power LED light source to be applied in and can be used as large-scale light fixture use such as street lamp, wall lamp in the light fixture now.But great power LED produces a large amount of heats when work, if untimely distributing then can make LED owing to high temperature suffers damage, influence service life, therefore needs good heat radiation.As shown in Figure 1, existing large-scale light fixture generally adopts the fin heat radiation, but because the space between the fin is parallel arrangement, if wind blows from the direction perpendicular to fin, then circulation of air has some setbacks in the space between the fin, and promptly Wai Jie moving air is bad to the effect of the forced heat radiation of light fixture.
Because the LED light fixture comprises several LED, LED has its intrinsic angle of divergence, in order to improve the whole illumination effect of light fixture, generally need carry out luminous intensity distribution by reflection shield is set.LED light fixtures such as the LED street lamp that occurs, garden lamp the obvious uneven phenomenon of hot spot also can occur, even the blind area can occur under lamp because the defective and the deficiency of its reflection shield cause its range of exposures little at present, and result of use is bad.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of radiating effect excellence, range of exposures is wide, hot spot is even, transition high-power LED lamp stably.
The technical solution adopted in the present invention is: the present invention includes housing; the led light source assembly; light permeable protection; reflection shield; described housing adopts the metal manufacturing; the front of described housing is provided with the light source containing cavity; described led light source assembly; described reflection shield all places in the described light source containing cavity; the back side of described housing is provided with several heat-radiating rod that is arranged in array; described led light source assembly comprises several great power LEDs and circuit radiating bottom plate; the primary inclined plane at least that is provided with horizontal plane in the described light source containing cavity and distributes along described horizontal plane bilateral symmetry, described circuit radiating bottom plate contact fixedly connected and the heat that described great power LED produces are transmitted to described housing and shed by described heat-radiating rod with described inclined-plane.
Described heat-radiating rod and the one-body molded manufacturing of described housing.
Described high-power LED lamp also comprises pressure ring, and described pressure ring compresses the periphery of described light permeable protection and is tightly connected mutually with described housing.
Described high-power LED lamp also comprises drive circuit assembly, cover plate, and the front of described housing also is provided with the drive circuit containing cavity, and described drive circuit assembly places in the described drive circuit containing cavity, and described cover plate is with the sealing suitable for reading of described drive circuit containing cavity.
The side of described drive circuit containing cavity is provided with two wire holes and communicates with the described light source containing cavity and the external world respectively.
The back side of described housing also is provided with handle.
The position on described reflection shield and described inclined-plane is suitable, and described reflection shield is provided with several grooves, and described great power LED is positioned at described groove.
Described light permeable protection adopts glass or plastics to make, and described housing adopts aluminum or aluminum alloy or copper or copper alloy to make.
The diameter of described heat-radiating rod is φ 2～φ 8mm, and the height of described heat-radiating rod is 10～200mm, and the centre-to-centre spacing between each described heat-radiating rod is 5～25mm.
The described inclined-plane of the first order of described horizontal plane both sides and the angle between the described horizontal plane are α=5 °～30 °.
The invention has the beneficial effects as follows: because housing of the present invention adopts the metal manufacturing, the front of described housing is provided with the light source containing cavity, described led light source assembly, described reflection shield all places in the described light source containing cavity, the back side of described housing is provided with several heat-radiating rod that is arranged in array, described led light source assembly comprises several great power LEDs and circuit radiating bottom plate, the primary inclined plane at least that is provided with horizontal plane in the described light source containing cavity and distributes along described horizontal plane bilateral symmetry, described circuit radiating bottom plate contacts fixedly connected and the heat that described great power LED produces is transmitted to described housing and sheds by described heat-radiating rod with described inclined-plane, space between each described heat-radiating rod is arranged in array crisscross because of it, its area of dissipation is bigger, no matter wind from which direction blows in addition, air in the space between each described heat-radiating rod can circulate swimmingly and be not interrupted, i.e. Wai Jie moving air effective to the forced heat radiation of light fixture, this is for the street lamp of using out of doors, garden lamp, the heat radiation of large-scale light fixture such as wall lamp is even more important; In addition, the present invention in use, the light that described great power LED on the symmetrical described inclined-plane sends is to the opposite direction irradiation in both sides, make range of exposures bigger, each different zone of irradiation, described inclined-plane, when if certain regional illumination is not enough, the density or the power that increase the described great power LED on the corresponding described inclined-plane get final product, if the blind area appears in certain zone, the angle of divergence that enlarges the described great power LED on the corresponding described inclined-plane gets final product, and adjusts through simple like this, just can produce to meet the light fixture that irradiation requires, making light impinge upon had not both had omission on the target, divide overlappingly only, promptly the light Duplication sent of several described great power LEDs is low, wide coverage, satisfy the illumination requirement of light simultaneously, so radiating effect excellence of the present invention, range of exposures is wide, hot spot is even, transition is steady.
Description of drawings
Fig. 1 is a kind of structural representation of existing flange-cooled LED light fixture;
Fig. 2 is a perspective view of the present invention;
Fig. 3 is the blast structural representation of clipped parts of the present invention;
Fig. 4 is the structural representation in a cross section of the present invention;
Fig. 5 is the structural representation in a cross section of housing of the present invention;
Fig. 6 is the structural representation of reflection shield of the present invention.
The specific embodiment
As Fig. 2～shown in Figure 6; the high-power LED lamp of present embodiment comprises housing 1; led light source assembly 2; light permeable protection 3; reflection shield 4; pressure ring 5; drive circuit assembly 6; cover plate 7; described housing 1 adopts the metal manufacturing; the front of described housing 1 is provided with light source containing cavity 13 and drive circuit containing cavity 14; described led light source assembly 2; described reflection shield 4 all places in the described light source containing cavity 13; described pressure ring 5 compresses the periphery of described light permeable protection 3 and is tightly connected mutually with described housing 1; described drive circuit assembly 6 places in the described drive circuit containing cavity 14; described cover plate 7 is with the sealing suitable for reading of described drive circuit containing cavity 14; the back side of described housing 1 is provided with several heat-radiating rod that is arranged in array 11; the diameter of described heat-radiating rod 11 is φ 5mm; the height of described heat-radiating rod 11 is 60mm; centre-to-centre spacing between each described heat-radiating rod 11 is 15mm; described light permeable protection 3 adopts glass to make; can certainly adopt plastics to make; described housing 1 adopts aluminium to make; can certainly adopt aluminium alloy or copper or copper alloy to make; described heat-radiating rod 11 and described housing 1 one-body molded manufacturing; described led light source assembly 2 comprises several great power LEDs 21 and circuit radiating bottom plate 22; the two-stage inclined-plane 101 that is provided with horizontal plane 100 in the described light source containing cavity 13 and distributes along described horizontal plane 100 bilateral symmetry; 102; described circuit radiating bottom plate 22 and described inclined-plane 101; 102 contact fixedly connected and the heat that described great power LED 21 produces is transmitted to described housing 1 sheds by described heat-radiating rod 11; described reflection shield 4 and described inclined-plane 101; 102 position is suitable; described reflection shield 4 is fixed on described inclined-plane 101 by several screws 8; on 102; described reflection shield 4 is provided with several grooves 41; described great power LED 21 is positioned at described groove 41; the back side of described housing 1 also is provided with handle 15; the side of described drive circuit containing cavity 14 is provided with two wire holes 12 and communicates with the described light source containing cavity 13 and the external world respectively; be used for electric wire and pass in and out described housing 1, after electric wire connects, need described wire hole 12 is carried out encapsulation process.
Because the back side of housing 1 of the present invention is provided with several heat-radiating rod that is arranged in array 11, therefore and the crisscross array-like that is space between each described heat-radiating rod 11, its area of dissipation is bigger, no matter wind from which direction blows in addition, air in the space between each described heat-radiating rod 11 can circulate swimmingly and be not interrupted, i.e. Wai Jie moving air effective to the forced heat radiation of light fixture, this heat radiation for large-scale light fixtures such as street lamp of using out of doors, garden lamp, wall lamps is even more important.Through contrast test, under the equivalent environment temperature, the light fixture of same size relies on the heat-radiating substrate heat radiation separately under the situation that fin and heat-radiating rod are not set, and the work equilibrium temperature of its heat-radiating substrate is above 100 ℃; Be provided with under the situation of fin, the work equilibrium temperature of its heat-radiating substrate is above 70 ℃; And be provided with under the situation of heat-radiating rod, the work equilibrium temperature of its heat-radiating substrate is lower than 60 ℃.As seen, radiating effect excellence of the present invention is particularly suitable for the above LED light fixture of 100W and uses.
Through test, best at the radiating effect of the light fixture of following parameter area: the diameter of described heat-radiating rod 11 is φ 2～φ 8mm, and the height of described heat-radiating rod 11 is 10～200mm, and the centre-to-centre spacing between each described heat-radiating rod 11 is 5～25mm.
The present invention in use, symmetrical described inclined-plane 101, the light that described great power LED 21 on 102 sends is to the opposite direction irradiation in both sides, make range of exposures bigger, each described inclined-plane 101, the different zone of 102 irradiations, when if certain regional illumination is not enough, the density or the power that increase the described great power LED 21 on the corresponding described inclined-plane get final product, if the blind area appears in certain zone, the angle of divergence that enlarges the described great power LED 21 on the corresponding described inclined-plane gets final product, adjust through simple like this, just can produce and meet the light fixture that irradiation requires, making light impinge upon had not both had omission on the target, divide overlapping only, be that the light Duplication sent of several described great power LEDs 21 is low, wide coverage satisfies the illumination requirement of light simultaneously, therefore range of exposures of the present invention is wide, hot spot is even, transition is steady, is fit to very much street lamp, garden lamp, light fixtures such as wall lamp use.
Through test, lighting effect at the LED of following parameter area street lamp is best: the described inclined-plane 101 of the first order of described horizontal plane 100 both sides and the angle between the described horizontal plane 100 are α=5 °～30 °, angle between described inclined-plane 102, the second level and the described horizontal plane 100 is β=15 °～60 °, can make the average illumination and the uniformity of illuminance of range of exposures all meet national standard, and range of exposures is wide.
Be that example describes with the two-stage inclined-plane among the above embodiment, in fact, the primary inclined plane at least that described horizontal plane 100 both sides are provided with symmetrical distribution just can realize that the present invention carries out the purpose of optically focused to led light source.
The present invention can be widely used in the LED field of light fittings.
Claims (10)
1; a kind of high-power LED lamp; comprise housing (1); led light source assembly (2); light permeable protection (3); reflection shield (4); it is characterized in that: described housing (1) adopts the metal manufacturing; the front of described housing (1) is provided with light source containing cavity (13); described led light source assembly (2); described reflection shield (4) all places in the described light source containing cavity (13); the back side of described housing (1) is provided with several heat-radiating rod that is arranged in array (11); described led light source assembly (2) comprises several great power LEDs (21) and circuit radiating bottom plate (22); the primary inclined plane at least that is provided with horizontal plane (100) in the described light source containing cavity (13) and distributes along described horizontal plane (100) bilateral symmetry, described circuit radiating bottom plate (22) contact fixedly connected and the heat that described great power LED (21) produces are transmitted to described housing (1) and shed by described heat-radiating rod (11) with described inclined-plane.
2, high-power LED lamp according to claim 1 is characterized in that: described heat-radiating rod (11) and the one-body molded manufacturing of described housing (1).
3, high-power LED lamp according to claim 1 is characterized in that: described high-power LED lamp also comprises pressure ring (5), and described pressure ring (5) compresses the periphery of described light permeable protection (3) and is tightly connected mutually with described housing (1).
4, high-power LED lamp according to claim 1, it is characterized in that: described high-power LED lamp also comprises drive circuit assembly (6), cover plate (7), the front of described housing (1) also is provided with drive circuit containing cavity (14), described drive circuit assembly (6) places in the described drive circuit containing cavity (14), and described cover plate (7) is with the sealing suitable for reading of described drive circuit containing cavity (14).
5, high-power LED lamp according to claim 4 is characterized in that: the side of described drive circuit containing cavity (14) is provided with two wire holes (12) and communicates with the described light source containing cavity (13) and the external world respectively.
6, high-power LED lamp according to claim 1 is characterized in that: the back side of described housing (1) also is provided with handle (15).
7, high-power LED lamp according to claim 1, it is characterized in that: described reflection shield (4) is suitable with the position on described inclined-plane, described reflection shield (4) is provided with several grooves (41), and described great power LED (21) is positioned at described groove (41).
8, according to any described high-power LED lamp of claim 1 to 7, it is characterized in that: described light permeable protection (3) adopts glass or plastics to make, and described housing (1) adopts aluminum or aluminum alloy or copper or copper alloy to make.
9, according to any described high-power LED lamp of claim 1 to 7, it is characterized in that: the diameter of described heat-radiating rod (11) is φ 2～φ 8mm, the height of described heat-radiating rod (11) is 10～200mm, and the centre-to-centre spacing between each described heat-radiating rod (11) is 5～25mm.
10, according to any described high-power LED lamp of claim 1 to 7, it is characterized in that: the described inclined-plane of the first order of described horizontal plane (100) both sides and the angle between the described horizontal plane (100) are α=5 °～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910037728A CN101532611A (en) | 2009-03-10 | 2009-03-10 | High-power LED light fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910037728A CN101532611A (en) | 2009-03-10 | 2009-03-10 | High-power LED light fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101532611A true CN101532611A (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910037728A Pending CN101532611A (en) | 2009-03-10 | 2009-03-10 | High-power LED light fitting |
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| Country | Link |
|---|---|
| CN (1) | CN101532611A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330894A (en) * | 2010-07-14 | 2012-01-25 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN102466175A (en) * | 2010-11-16 | 2012-05-23 | 海洋王照明科技股份有限公司 | Isolation dustproof lamp |
| CN103453362A (en) * | 2013-08-23 | 2013-12-18 | 西安重装渭南光电科技有限公司 | LED (light-emitting diode) light source module with heat sink and courtyard lamp thereof |
| CN103574490A (en) * | 2012-07-21 | 2014-02-12 | 无锡易昕光电科技有限公司 | Light-emitting diode (LED) lamp wire-covering plate |
| CN103982846A (en) * | 2014-05-19 | 2014-08-13 | 美国斯特灵灯饰有限公司 | Wall washer |
-
2009
- 2009-03-10 CN CN200910037728A patent/CN101532611A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330894A (en) * | 2010-07-14 | 2012-01-25 | 富士迈半导体精密工业（上海）有限公司 | Illuminating device |
| CN102466175A (en) * | 2010-11-16 | 2012-05-23 | 海洋王照明科技股份有限公司 | Isolation dustproof lamp |
| CN102466175B (en) * | 2010-11-16 | 2014-07-30 | 海洋王照明科技股份有限公司 | Isolation dustproof lamp |
| CN103574490A (en) * | 2012-07-21 | 2014-02-12 | 无锡易昕光电科技有限公司 | Light-emitting diode (LED) lamp wire-covering plate |
| CN103453362A (en) * | 2013-08-23 | 2013-12-18 | 西安重装渭南光电科技有限公司 | LED (light-emitting diode) light source module with heat sink and courtyard lamp thereof |
| CN103982846A (en) * | 2014-05-19 | 2014-08-13 | 美国斯特灵灯饰有限公司 | Wall washer |
| CN103982846B (en) * | 2014-05-19 | 2017-04-26 | 美国斯特灵灯饰有限公司 | Wall washer |
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Open date: 20090916 |