CN102352975A - Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly - Google Patents
Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly Download PDFInfo
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- CN102352975A CN102352975A CN2011103042981A CN201110304298A CN102352975A CN 102352975 A CN102352975 A CN 102352975A CN 2011103042981 A CN2011103042981 A CN 2011103042981A CN 201110304298 A CN201110304298 A CN 201110304298A CN 102352975 A CN102352975 A CN 102352975A
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Abstract
The invention discloses a dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly, comprising a radiator (1), a dustproof and waterproof radiating fan (2), a drive circuit board component (3), an LED light source component (4), a power source box upper cover and lower cover (31 and 32), a lens (5), a decorative ring (6) and a synthetic mica sheet (8), wherein the LED light source component (4) comprises a radiating substrate, the radiator (1) comprises a planar base plate (101) and a radiating part (102) arranged at the top surface of the base plate (101), the radiating part (102) is provided with a space region for containing the radiating fan (2), the power source box upper cover and lower cover (31 and 32) are hermetically connected with each other to pack and cover the drive circuit board component (3), the power source box upper cover (31) is connected with a waterproof bolt component (34), the radiating substrate is fixedly connected with the base plate (101) to radiate in a conducting way, the synthetic mica sheet (8) is arranged between the radiating substrate and the base plate (101), the edge of the synthetic mica sheet (8) exceeds the edge of the radiating substrate by 1-10mm, and the decorative ring (6) and the lens (5) are fixedly connected with the bottom of the radiator (1).
Description
Technical field
The present invention relates to a kind of dustproof and waterproof multipurpose LED photoelectric source assembly.
Background technology
LED has long advantage of luminous efficiency height, power saving and life-span, and it is used more and more widely.LED is applied to normal lighting; In order to reach illumination requirement; Generally to a plurality of power-type LEDs be concentrated on the light fixture and use; Therefore the heat radiation of LED becomes a key factor that influences LED light fixture user mode and life-span, and especially for high-power LED lamp, heat dissipation problem has become a technical bottleneck that influences its extensive use.Traditional LED light fixture all belongs to passive heat radiation; Promptly fin or the similar device through radiator dispels the heat; In order to improve radiating effect, need increase area of dissipation as far as possible, cause existing LED light fixture overall volume generally bigger thus; Radiator structure is complicated, and its radiating effect and unsatisfactory.The applicant once combined radiator fan with radiator, develop to have the LED light fixture that active heat removal and passive heat radiation combine, and its radiating effect is excellent, stability and the service life that can effectively improve light fixture.But for the bigger light fixture of bulkhead lamp capable constant power,, often it is made open structure, cause its waterproof and dustproof effect relatively poor, limited it and reached the application under the particular surroundings out of doors in order further to improve radiating effect.
In addition; General heat-conducting silicone grease or the heat conductive insulating cloth of using insulate and heat conduction between light source board and radiator at present; The thermal conductivity factor of heat-conducting silicone grease is 3W/ (mK)～4W/ (mK); The thermal conductivity factor of heat conductive insulating cloth is 2W (mK)～3W/ (mK), and the thermal conductivity factor of the two is lower, and heat-conducting effect is relatively poor; Heat-conducting silicone grease is the unfixed paste of shape; Therefore the coating heat-conducting silicone grease is difficult to coating evenly between light source board and radiator; Cause the thermal conductivity variation on the one hand, can reduce the insulating properties between light source board and the radiator on the other hand, even possibly cause short circuit between the two; Heat conductive insulating cloth is the cloth shape, is easy to modification, and heat conductive insulating cloth is difficult to be uniformly distributed with between light source board and radiator, and trouble is installed, and efficient is low.
Summary of the invention
Technical problem to be solved by this invention is the deficiency that overcomes prior art, and a kind of dustproof and waterproof multipurpose LED photoelectric source assembly simple, that production efficiency is high, heat conductive insulating property is good of installing is provided.
The technical scheme that the present invention adopted is: the present invention includes radiator, radiator fan, drive circuit board component, led light source assembly; Said led light source assembly comprises several led chips and LED heat-radiating substrate; Said dustproof and waterproof multipurpose LED photoelectric source assembly also comprises power pack loam cake, power pack lower cover, lens, case ring, synthetic mica sheet, waterproof bolt assembly; Said radiator fan is the dustproof and waterproof fan; Said radiator comprises base plate, and the bottom surface of said base plate is the plane, and the end face of said base plate is provided with radiating part; The central upper portion zone of said radiating part is provided with the space region that is used for ccontaining said radiator fan; Said power pack lower cover is positioned at said radiator fan top and is fixedly connected with said radiator, said power pack loam cake be tightly connected mutually with said power pack lower cover and with said drive circuit board component ladle cover in interior, cover the said waterproof bolt assembly of connection on the said power pack; Said LED heat-radiating substrate and said base plate are fixedly connected and heat loss through conduction; Place the synthetic mica sheet between said LED heat-radiating substrate and the said base plate, the edge of said synthetic mica sheet exceeds the edge 1～10mm of said LED heat-radiating substrate, and the bottom of said case ring, said lens and said radiator is fixedly connected.
Fix through several first screws between said LED heat-radiating substrate and the said base plate, the said first screw fixed connection place is provided with the insulation micelle, and said insulation micelle is with isolating between said LED heat-radiating substrate and said first screw and the said base plate.
Said dustproof and waterproof multipurpose LED photoelectric source assembly also comprises annular insulation wallboard; Said annular insulation wallboard is positioned at the space that said power pack loam cake and said power pack lower cover seal formation mutually, and said drive circuit board component places said annular to insulate in the wallboard.
Be fixedly connected through second screw between the bottom of said case ring, said lens and said radiator, the junction is provided with the silica gel waterproof washer between the bottom of said lens and said radiator.
The air inlet of said radiator fan and air outlet all are provided with the fan net.
Be connected to a fixed with said radiator behind the said fan net that several the 3rd screws pass the said fan net, the said radiator fan that are positioned at said radiator fan top successively, be positioned at said radiator fan below.
Be fixedly connected through several the 4th screws and several nuts between said power pack loam cake and the said power pack lower cover.
The back side of said radiator is provided with at least two support columns that protrude from said radiating part; Said support column supports said power pack lower cover; Several head band internal threads, the externally threaded bolt of afterbody band pass said power pack lower cover and said support column is connected to a fixed, and the internal thread that several the 5th screws pass behind the said drive circuit board component with said double-screw bolt head is connected to a fixed.
Said support column is higher than the upper surface 10～50mm of said radiator fan, and the height of the tapped head of said bolt is 5～10mm.
Said radiating part in the form of sheets or column.
The invention has the beneficial effects as follows: owing to the present invention includes power pack loam cake, power pack lower cover, lens, case ring, synthetic mica sheet, waterproof bolt assembly; Said radiator fan is the dustproof and waterproof fan; Said radiator comprises base plate; The bottom surface of said base plate is the plane; The end face of said base plate is provided with radiating part, and the central upper portion zone of said radiating part is provided with the space region that is used for ccontaining said radiator fan, and said power pack lower cover is positioned at said radiator fan top and is fixedly connected with said radiator; Said power pack loam cake be tightly connected mutually with said power pack lower cover and with said drive circuit board component ladle cover in interior; Cover the said waterproof bolt assembly of connection on the said power pack, said LED heat-radiating substrate and said base plate are fixedly connected and heat loss through conduction, place the synthetic mica sheet between said LED heat-radiating substrate and the said base plate; The edge of said synthetic mica sheet exceeds the edge 1～10mm of said LED heat-radiating substrate, and the bottom of said case ring, said lens and said radiator is fixedly connected; The present invention be tightly connected mutually with said power pack lower cover through said power pack loam cake and with said drive circuit board component ladle cover in interior; Cover on the said power pack and connect said waterproof bolt assembly; Power line can seal through said waterproof bolt assembly, makes the power unit dustproof and waterproof; Simultaneously, said radiator fan is the dustproof and waterproof fan, makes fan part dustproof and waterproof; Bottom through said case ring, said lens and said radiator is fixedly connected; Make the Lights section dustproof and waterproof; Therefore overall optical power supply assembly has the effect of dustproof and waterproof, can be used for the primary element that the places such as workshop, factory building of outdoor and many dirt are formed as light fixtures such as street lamp, Ceiling light, Down lamp, bulkhead lamp capables; Through said radiator fan is combined with said radiator, make light fixture have the effect that active heat removal and passive heat radiation combine, its radiating effect is excellent, stability and the service life that can effectively improve light fixture; Through between said LED heat-radiating substrate and said base plate, placing the synthetic mica sheet, the synthetic mica sheet is to adopt the MICA raw material to cause mica paper, is equipped with the adhesive slab insulant that compacting forms through HTHP then; Have excellent thermal conductivity, anti-flammability and electrical insulating property; Advantage such as have that thickness is even, the adjusting arbitrarily of the big I of area, pliability and processability are good, its thermal conductivity factor is 5W/ (mK)～24W/ (mK), and is higher than the thermal conductivity factor of heat-conducting silicone grease and heat conductive insulating cloth; And mica sheet is the state of fixed in shape; Its average uniformity is high, and is therefore more closely knit evenly with contacting of said LED heat-radiating substrate and said base plate, so heat conduction and insulating properties are better; And simple installation, efficient is high; Exceed the edge 1～10mm of said LED heat-radiating substrate through the edge of said synthetic mica sheet, make and the requirement that to satisfy creep age distance between said LED heat-radiating substrate and the said radiator improve security; So the present invention installs simply, production efficiency is high, heat conductive insulating property is good, dustproof and waterproof is effective, and multiple use can be arranged.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention;
Fig. 2 is the blast structural representation of the embodiment of the invention;
Fig. 3 is the section structure sketch map of the embodiment of the invention;
Fig. 4 is the radiator of the embodiment of the invention and the section structure sketch map of the Lights section;
Fig. 5 is the local structure for amplifying sketch map in I shown in Figure 4 place;
Fig. 6 is the local structure for amplifying sketch map in II shown in Figure 4 place.
The specific embodiment
Like Fig. 1～shown in Figure 6; The dustproof and waterproof multipurpose LED photoelectric source assembly of present embodiment comprises radiator 1, radiator fan 2, drive circuit board component 3, led light source assembly 4, annular insulation wallboard 30, power pack loam cake 31, power pack lower cover 32, lens 5, case ring 6, synthetic mica sheet 8, waterproof bolt assembly 34; Said led light source assembly 4 comprises several led chips and LED heat-radiating substrate, and said radiator fan 2 is dustproof and waterproof fans; Said radiator 1 comprises base plate 101; The bottom surface of said base plate 101 is the plane, and the end face of said base plate 101 is provided with radiating part 102, and the central upper portion zone of said radiating part 102 is provided with the space region that is used for ccontaining said radiator fan 2; The outer ring part of said radiating part 102 in the form of sheets; The part that is positioned at space region is column, to increase heat dissipation channel, improves heat dispersion; The air inlet of said radiator fan 2 and air outlet all are provided with fan net 21; To prevent that foreign matter from getting into fan, play the safeguard protection effect, concrete connected mode is: four the 3rd screws 93 pass said fan net 21, the said radiator fan 2 that is positioned at said radiator fan 2 tops successively, said fan net 21 backs that are positioned at said radiator fan 2 belows are connected to a fixed with said radiator 1; Said power pack loam cake 31 be tightly connected mutually with said power pack lower cover 32 and with said drive circuit board component 3 ladle covers in interior, concrete connected mode is: be fixedly connected through four the 4th screws 94 and four nuts 97 between said power pack loam cake 31 and the said power pack lower cover 32; Said annular insulation wallboard 30 is positioned at said power pack loam cake 31 and seals the space that forms mutually with said power pack lower cover 32; Said drive circuit board component 3 places in the said annular insulation wallboard 30; Further improve the insulation and the isolation performance of power drives part and said power pack loam cake 31 and said power pack lower cover 32, connect said waterproof bolt assembly 34 on the said power pack loam cake 31; Said power pack lower cover 32 is positioned at said radiator fan 2 tops and is fixedly connected with said radiator 1; The back side of said radiator 1 is provided with four support columns 103 that protrude from said radiating part; Said support column 103 supports said power pack lower cover 32; Said support column 103 is higher than the upper surface 10～50mm of said radiator fan 2; Make between said power pack lower cover 32 and the said radiator fan 2 and leave certain space; Strengthen the circulation of air that fan is imported and exported; Concrete connected mode is: four head band internal threads, the externally threaded bolt 96 of afterbody band pass said power pack lower cover 32 and are connected to a fixed with said support column 103, and the internal threads that four the 5th screws 95 pass said drive circuit board component 3 backs and said double-screw bolt 96 heads are connected to a fixed, and isolation processing insulate at the via hole place that said drive circuit board component 3 is used to pass said the 5th screw 95; The height of said bolt 96 tapped heads is 5～10mm, so that the distance between said drive circuit board component 3 and the said power pack lower cover 32 guarantees the requirement of insulation and creep age distance; Said LED heat-radiating substrate and said base plate 101 are fixedly connected and heat loss through conduction; Concrete connected mode is: fixing through four first screws 91 between said LED heat-radiating substrate and the said base plate 101; Said first screw 91 fixed connection places are provided with insulation micelle 7, and said insulation micelle 7 is with isolating the reinforced insulation effect between said LED heat-radiating substrate and said first screw 91 and the said base plate 101; Further improve creep age distance; Satisfy safety requirements, place synthetic mica sheet 8 between said LED heat-radiating substrate and the said base plate 101, the edge of said synthetic mica sheet 8 exceeds the edge 1～10mm of said LED heat-radiating substrate; Said case ring 6, said lens 5 are fixedly connected with the bottom of said radiator 1; Concrete connected mode is: be fixedly connected through second screw 92 between the bottom of said case ring 6, said lens 5 and said radiator 1; The junction is provided with silica gel waterproof washer 9 between the bottom of said lens 5 and said radiator 1, with the water resistance of further raising the Lights section.
The present invention be tightly connected mutually with said power pack lower cover 32 through said power pack loam cake 31 and with said drive circuit board component 3 ladle covers in interior; Connect said waterproof bolt assembly 34 on the said power pack loam cake 31; Power line can seal through said waterproof bolt assembly 34, makes the power unit dustproof and waterproof; Simultaneously, said radiator fan 2 is dustproof and waterproof fans, makes fan part dustproof and waterproof; Bottom through said case ring, said lens and said radiator is fixedly connected; Make the Lights section dustproof and waterproof; Therefore whole light fixture has the effect of dustproof and waterproof, can be used for the primary element that the places such as workshop, factory building of outdoor and many dirt are formed as light fixtures such as street lamp, Ceiling light, Down lamp, bulkhead lamp capables; Through said radiator fan 2 is combined with said radiator 1, make light fixture have the effect that active heat removal and passive heat radiation combine, its radiating effect is excellent, stability and the service life that can effectively improve light fixture; Through between said LED heat-radiating substrate and said base plate 101, placing synthetic mica sheet 8, synthetic mica sheet 8 is to adopt the MICA raw material to cause mica paper, is equipped with the adhesive slab insulant that compacting forms through HTHP then; Have excellent hear resistance, anti-flammability and electrical insulating property; Advantage such as have that thickness is even, the adjusting arbitrarily of the big I of area, pliability and processability are good, its thermal conductivity factor is 5W/ (mK)～24W/ (mK), and is higher than the thermal conductivity factor of heat-conducting silicone grease and heat conductive insulating cloth; And mica sheet is the state of fixed in shape; Its average uniformity is high, and is therefore more closely knit evenly with contacting of said LED heat-radiating substrate and said base plate 101, so heat conduction and insulating properties are better; And simple installation, efficient is high; Exceed the edge 1～10mm of said LED heat-radiating substrate through the edge of said synthetic mica sheet 8, make and the requirement that to satisfy creep age distance between said LED heat-radiating substrate and the said radiator 1 improve security; Therefore the present invention installs simply, production efficiency is high, heat conductive insulating property is good, and dustproof and waterproof is effective, and multiple use can be arranged.
When illumination work of the present invention, said radiator fan 2 turns round simultaneously, and the heat that produces when said led chip is luminous is transmitted on the said radiator 1 through said LED heat-radiating substrate, said synthetic mica sheet 8; Said radiator 1 is the same as existing radiator " passive type " heat radiation, and a part of heat is dispersed in the air, simultaneously; Under the effect of said radiator fan 2; Outside air is forced through said radiator 1 and flows, and takes away the heat on the said radiator 1, and radiating effect is excellent; Can avoid led chip at high temperature to work, effectively increase the service life; Because the existence of forced heat radiation, therefore comparable common light fixture reduces the volume and weight of said radiator 1, has increased the adaptability of light fixture.
The present invention can be widely used in the LED lighting field.
Claims (10)
1. dustproof and waterproof multipurpose LED photoelectric source assembly; Comprise radiator (1), radiator fan (2), drive circuit board component (3), led light source assembly (4); Said led light source assembly (4) comprises several led chips and LED heat-radiating substrate; It is characterized in that: said dustproof and waterproof multipurpose LED photoelectric source assembly also comprises power pack loam cake (31), power pack lower cover (32), lens (5), case ring (6), synthetic mica sheet (8), waterproof bolt assembly (34); Said radiator fan (2) is the dustproof and waterproof fan; Said radiator (1) comprises base plate (101), and the bottom surface of said base plate (101) is the plane, and the end face of said base plate (101) is provided with radiating part (102); The central upper portion zone of said radiating part (102) is provided with the space region that is used for ccontaining said radiator fan (2); Said power pack lower cover (32) is positioned at said radiator fan (2) top and is fixedly connected with said radiator (1), said power pack loam cake (31) be tightly connected mutually with said power pack lower cover (32) and with said drive circuit board component (3) ladle cover in interior, said power pack loam cake (31) is gone up connection said waterproof bolt assembly (34); Said LED heat-radiating substrate and said base plate (101) are fixedly connected and heat loss through conduction; Place synthetic mica sheet (8) between said LED heat-radiating substrate and the said base plate (101), the edge of said synthetic mica sheet (8) exceeds the edge 1～10mm of said LED heat-radiating substrate, and said case ring (6), said lens (5) are fixedly connected with the bottom of said radiator (1).
2. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1; It is characterized in that: fixing between said LED heat-radiating substrate and the said base plate (101) through several first screws (91); Said first screw (91) fixed connection place is provided with insulation micelle (7), and said insulation micelle (7) is with isolating between said LED heat-radiating substrate and said first screw (91) and the said base plate (101).
3. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1; It is characterized in that: said dustproof and waterproof multipurpose LED photoelectric source assembly also comprises annular insulation wallboard (30); Said annular insulation wallboard (30) is positioned at said power pack loam cake (31) and seals the space that forms mutually with said power pack lower cover (32), and said drive circuit board component (3) places in the said annular insulation wallboard (30).
4. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1; It is characterized in that: be fixedly connected through second screw (92) between the bottom of said case ring (6), said lens (5) and said radiator (1), the junction is provided with silica gel waterproof washer (9) between the bottom of said lens (5) and said radiator (1).
5. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1, it is characterized in that: the air inlet of said radiator fan (2) and air outlet all are provided with fan net (21).
6. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 5 is characterized in that: several the 3rd screws (93) pass said fan net (21), the said radiator fan (2) that is positioned at said radiator fan (2) top successively, said fan net (21) back that is positioned at said radiator fan (2) below is connected to a fixed with said radiator (1).
7. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1 is characterized in that: be fixedly connected through several the 4th screws (94) and several nuts (97) between said power pack loam cake (31) and the said power pack lower cover (32).
8. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1; It is characterized in that: the back side of said radiator (1) is provided with at least two support columns (103) that protrude from said radiating part; Said support column (103) supports said power pack lower cover (32); Several head band internal threads, the externally threaded bolt of afterbody band (96) pass said power pack lower cover (32) and are connected to a fixed with said support column (103), and the internal thread that several the 5th screws (95) pass said drive circuit board component (3) back and said double-screw bolt (96) head is connected to a fixed.
9. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 8, it is characterized in that: said support column (103) is higher than the upper surface 10～50mm of said radiator fan (2), and the height of the tapped head of said bolt (96) is 5～10mm.
10. dustproof and waterproof multipurpose LED photoelectric source assembly according to claim 1 is characterized in that: said radiating part (102) in the form of sheets or column.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103042981A CN102352975B (en) | 2011-10-02 | 2011-10-02 | Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly |
| US14/233,717 US9476581B2 (en) | 2011-05-18 | 2012-05-13 | Dustproof and waterproof multipurpose LED-light power source assembly and dustproof and waterproof LED light |
| PCT/CN2012/075418 WO2012155816A1 (en) | 2011-05-18 | 2012-05-13 | Dustproof and waterproof multipurpose led-light power source assembly and dustproof and waterproof led light |
| EP12785869.4A EP2711626B1 (en) | 2011-05-18 | 2012-05-13 | Dustproof and waterproof multipurpose led-light power source assembly and dustproof and waterproof led light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103042981A CN102352975B (en) | 2011-10-02 | 2011-10-02 | Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102352975A true CN102352975A (en) | 2012-02-15 |
| CN102352975B CN102352975B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103042981A Expired - Fee Related CN102352975B (en) | 2011-05-18 | 2011-10-02 | Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN102352975B (en) |
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| WO2012155816A1 (en) * | 2011-05-18 | 2012-11-22 | 广州南科集成电子有限公司 | Dustproof and waterproof multipurpose led-light power source assembly and dustproof and waterproof led light |
| WO2013049982A1 (en) * | 2011-10-02 | 2013-04-11 | 广州南科集成电子有限公司 | Led photo-electric source assembly and led road lamp improved from traditional road lamp |
| CN104373878A (en) * | 2014-10-30 | 2015-02-25 | 中国南方航空工业(集团)有限公司 | Locomotive headlamp |
| CN104956144A (en) * | 2013-02-08 | 2015-09-30 | 宗拓贝尔照明器材有限公司 | Facade lamp |
| CN106015971A (en) * | 2016-07-18 | 2016-10-12 | 深圳中景科创光电科技有限公司 | DOB lamp module |
| CN111963923A (en) * | 2020-07-06 | 2020-11-20 | 深圳市富高康电子有限公司 | Lighting device and offshore lighthouse |
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| CN104373878A (en) * | 2014-10-30 | 2015-02-25 | 中国南方航空工业(集团)有限公司 | Locomotive headlamp |
| CN106015971A (en) * | 2016-07-18 | 2016-10-12 | 深圳中景科创光电科技有限公司 | DOB lamp module |
| CN106015971B (en) * | 2016-07-18 | 2019-05-17 | 深圳中景科创光电科技有限公司 | A kind of DOB lamps and lanterns mould group |
| CN111963923A (en) * | 2020-07-06 | 2020-11-20 | 深圳市富高康电子有限公司 | Lighting device and offshore lighthouse |
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