CN102518991A - LED (light-emitting diode) industrial and mining lamp - Google Patents
LED (light-emitting diode) industrial and mining lamp Download PDFInfo
- Publication number
- CN102518991A CN102518991A CN2011104190425A CN201110419042A CN102518991A CN 102518991 A CN102518991 A CN 102518991A CN 2011104190425 A CN2011104190425 A CN 2011104190425A CN 201110419042 A CN201110419042 A CN 201110419042A CN 102518991 A CN102518991 A CN 102518991A
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- fin
- circuit board
- heat sink
- heat dissipating
- led
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- 238000005065 mining Methods 0.000 title abstract 5
- 238000005286 illumination Methods 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000005337 ground glass Substances 0.000 claims description 3
- 235000019994 cava Nutrition 0.000 claims description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention belongs to the field of industrial and mining illumination and particularly relates to an LED (light-emitting diode) industrial and mining lamp which comprises an LED light source component and a heat dissipating device. The LED light source component comprises a circuit board and an LED light source part, wherein the LED light source part is fixedly arranged on the circuit board; the heat dissipating device comprises a heat dissipating plate which is in the disc shape; one side surface of the heat dissipating plate is clung to the LED light source component; fin or bent-plate shaped heat dissipating fins extends outwards from the other side surface of the heat dissipating plate vertically or obliquely; and the heat dissipating fins are integrally arranged like concentrated bundles by extending from the outer edge of the body of the heat dissipating plate to the center of the heat dissipating plate. Because the thin-disc shaped heat dissipating plate is used as the contact carrier of the circuit board, and the heat dissipating fins on the back surface of the heat dissipating plate form heat dissipating and ventilating channels, the LED industrial and mining lamp has high heat dissipating efficiency. Due to the high heat dissipating efficiency and the flat heat dissipating device, the LED industrial and mining lamp has a simpler structure and smaller size in the height direction and can work more stably and reliably than the similar lamp with the same power.
Description
Technical field
The invention belongs to the industrial and mineral lighting field, be specifically related to a kind of LED bulkhead lamp capable.
Background technology
The LED bulkhead lamp capable is the light fixture that uses in the production operation district of factory, mine, and it can be divided into conventional light source bulkhead lamp capable (like the sodium vapor lamp bulkhead lamp capable, mercury vapor lamp bulkhead lamp capable etc.) and LED bulkhead lamp capable according to light source.Wherein, the LED bulkhead lamp capable is with advantages such as its high light efficiency and low energy consumption and be widely used.Mostly existing LED bulkhead lamp capable is that spot light is polymerized, usually that it is extensive in the circuit board integrated because the light-emitting area of a single point light source is narrow, and whole formation led light source assembly to form a bigger light emitting source, embodies its illuminating effect thus.Often there is following defective in existing said structure LED bulkhead lamp capable: at first, radiating efficiency is lower, and the LED bulkhead lamp capable generally adopts the taper heat spreader structures of free convection formula at present; Taper inner chamber through radiator is derived its heat, and through around the fin that is arranged at the taper periphery its heat being dispersed in the air, in the practical application; Taper radiator through differing heights comes the LED light fixture of adaptive different capacity, yet taper radiator height is high more; The time that its heat conducts to its solstics is also just long more, very easily causes the bulk deposition of its heat and is difficult in time distribute, and this is extremely disadvantageous to its working environment; Simultaneously, the actual height that the limited height of environment such as its mine itself has also limited above-mentioned bulkhead lamp capable can not infinitely increase, in addition; LED bulkhead lamp capable power is big more, and its taper radiator height is high more, and its total quality is also just heavy more accordingly; When suspension is installed, there is big potential safety hazard, also is difficult to actual installation and carrying simultaneously; Secondly, the general lens that directly adopt reflector and clear glass to process of existing LED bulkhead lamp capable are realized its luminous intensity distribution, and the uniformity that light penetrates is relatively poor, has influenced its actual illuminating effect greatly.
Summary of the invention
The purpose of this invention is to provide a kind of LED bulkhead lamp capable simple in structure, its structure is slim and graceful and radiating efficiency is high.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of LED bulkhead lamp capable; Comprise led light source assembly and heat abstractor, said led light source assembly comprises circuit board and is fixedly arranged on the led light source portion on the circuit board that it is characterized in that: said heat abstractor comprises heat sink; Said heat sink profile is in the form of annular discs; One of which lateral plates and led light source component joint are provided with, its opposite side vertical or tilt its plate towards outside postpone fin-shaped or bent plate shape fin arranged, said fin integral body is the boundling shape that is extended to the heat sink center by heat sink plate body outer rim and arranges.
Major advantage of the present invention is: adopted after the said structure; On the one hand; Owing to the contact carrier that adopts thin plate-like heat sink conduct with circuit board; The fin that is positioned at the heat sink back side has simultaneously constituted the channel of heat dissipation ventilation, and the heat that the led light source portion on its electric hot plate and setting and the circuit board produces can directly and fast conduct on the heat sink, and the fin that is provided with through the heat sink back side directly distributes; The heat build-up problem that itself does not exist heat long distance conduction inconvenience to cause, radiating efficiency is high; On the other hand; Greatly reduce the overall volume of LED bulkhead lamp capable; Because heat abstractor integral body has constituted flat disc-shaped design, it highly is able to fall sharply thereby compare old-fashioned taper heat spreader structures, and the height space occupancy when finally making its suspension reduces; Its high cooling efficiency and flat heat abstractor have guaranteed that also its structure in the similar lamp of constant power is more slim and graceful simultaneously, and working stability is reliable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 for fin wherein one arrange embodiment front view;
Fig. 3 is the decomposing schematic representation of Fig. 1;
Fig. 4 is the B part partial enlarged drawing of Fig. 3;
Fig. 5 is the construction for heat radiating device sketch map;
Fig. 6 is the A part partial enlarged drawing of Fig. 5.
The specific embodiment
A kind of LED bulkhead lamp capable; Comprise led light source assembly and heat abstractor 20; Said led light source assembly comprises circuit board 11 and is fixedly arranged on the led light source portion 12 on the circuit board 11, and said heat abstractor 20 comprises heat sink 21, and said heat sink 21 profiles are in the form of annular discs; One of which lateral plates and led light source component joint are provided with; Its opposite side vertical or tilt its plate towards outside postpone fin-shaped or bent plate shape fin arranged, said fin integral body is the boundling shape that is extended to heat sink 21 centers by heat sink 21 plate body outer rims arranges, shown in Fig. 1-3.
As further preferred version of the present invention: said fin comprises first fin 22; Said first fin 22 is to be symmetrical set more than two and along heat sink 21 central axis; Equidistant placement between said each adjacent first fin 22 inner end portion; Said fin also comprises the sub-fin 23 that is located in the middle of two adjacent first fin 22, and said sub-fin 23 and the minimum spacing of adjacent first fin, 22 plate faces equal the minimum spacing of two adjacent first fin 22.
Be among Fig. 2 and Fig. 5 and showed the wherein a kind of arrangement mode of fin of the present invention based on said structure.From diagram, can find out, the arrangement mode of fin of the present invention on heat sink 21 be actually adopt 23 of first fin 22 and sub-fin staggered be uniformly distributed with arrangement mode; That is to say; When adopt Fig. 2 and length shown in Figure 5, in, (its long fin can be considered first fin 22 during the arrangement mode of short three kinds of fin; In, short fin all can be considered a kind of of sub-fin 23), each long fin is uniformly at intervals and constitute first radiating subassembly; Consider in the practical application; Its heat sink 21 structure and shape own are basically all in the form of annular discs; Therefore inevitable big more between its long fin the closer to heat sink 21 edge its spacings; And heat distributes and has certain regionality, gives its excessive heat-dissipating space and can only cause the space waste in the originally limited heat dissipation region, and then make its radiating effect limited; Therefore; The present invention sets up middle fin at it in the excessive zone between each long fin, in like manner, and when still having excessive heat dissipation region between central fin; Continue to set up short fin; Certainly, the spacing between its each fin satisfies heat certainly and distributes demand, thus second radiating subassembly of formation uniformly at intervals with it in each, between short fin; Above-mentioned design has also just constituted the structure of arranging of Fig. 2 and first fin 22 shown in Figure 5 and the whole cluster type of each sub-fin 23.In the practical application, also visual producer demand continues in its white space, to set up sub-fin, or directly adopt long and short two kinds of fin staggered be uniformly distributed with type also can, just give unnecessary details no longer one by one here.
Further; The practical structures of fin can be multiple, both can be designed to the bent plate formula so that the heat radiation of the large tracts of land of monolithic plate body also can be designed to as shown in Figure 2; Also be scheme preferred for this invention: it is lamellar that said fin all is vertical bar; Said each fin interbody spacer arranges that evenly like this, its straight plate-shaped fin is easy to make and processing on the one hand; Simultaneously, its straight plate shape also is more conducive to the quick ventilation channel of its whole formation, better heat-radiation effect.In addition, limit the minimum spacing of each fin here, to satisfy its radiating requirements, be specially: the minimum spacing of said each adjacent fin is 8-10mm.
For further improving radiating efficiency of the present invention; Shown in Fig. 2 and Fig. 5-6, the cantilever-shaped outstanding heat sink 21 outer rim settings of said fin, said fin longitudinal cross-section is frustum; The affixed heat sink 21 plate faces of its big end, 21 of said fin and heat sinks are one-body molded.In the above-mentioned structure, " longitudinal cross-section " refers to specifically that then its cross section is positioned at vertical this plane, fin 21 plate faces place; The cantilever-shaped outstanding heat sink of fin 21 edges with and the unique shape of longitudinal cross-section guaranteed that all itself and surrounding air contact area are bigger; Its radiating efficiency is also just inevitable further to be increased, and simultaneously, fin and heat sink 21 work in-processes can be one-body molded; Technology is simple and convenient; One-body molded process has guaranteed that also its yield rate is higher, and radiating effect is more outstanding, thereby can effectively prolong the service life of lamp body.
Further; As shown in Figure 2; The side plate face that closes on circuit board 11 on the said heat sink 21 caves in has countersink region 211, and said countersink region 211 is provided with its plate body axis coaxle, and it is consistent with this countersink region 211 discoid that said circuit board 11 profiles are; Said circuit board 11 is positioned at countersink region 211 and its plate face and its bottom end face fits or binds and be provided with, and run through to be provided with and are used for through-hole section that circuit board 11 wiring are drawn at said heat sink 21 plate body axis places.The circuit board 11 here can adopt heat conductive silica gel to cohere with cooperating of countersink region 211 bottoms, thereby further guarantees its radiating effect.
Further, said led light source portion 12 constitutes for spot light is embedded on the circuit board 11, and said led light source portion 12 constitutes plural concentric ring-shaped and its axis and circuit board 11 axis coaxle settings.That is to say; Led light source of the present invention portion 12 in fact on circuit board 11 integral body constituted annular array and arranged; Thereby guarantee its light uniformity in actual irradiation process, the generation of the bar shaped laser spot of avoiding causing because of the interference problem of arranging, thus effectively guarantee its radiation response.
Further; The face shield 40 that said LED bulkhead lamp capable also comprises lens 30 and is used for lens 30 are attached to circuit board 11 places; Said lens 30 materials are ground glass; Said LED bulkhead lamp capable comprises the optical reflective disk 50 that is used in reference to led light source portion 12 direction of illuminations; Said optical reflective disk 50 be located in lens 40 and 11 of circuit boards and on it corresponding each spot light offer the reflection shield hole, the said face shield that sets gradually 40, lens 30, optical reflective disk 50, circuit board 11 and 20 affixed settings of heat abstractor.Lens 30 adopt ground glass, realizing the secondary light-distribution of the present invention in irradiation process, thus the uniformity of its irradiation light of assurance on the basis of the annular array of its spot light further.
Further; Be the concrete annexation that realizes between above-mentioned each parts; Shown in Fig. 1-2; Postpone and constitute socket between the two and cooperate in the heat sink 21 outer rim places of said face shield 40 outer rims on heat abstractor 20,211 of the countersink region on said face shield 40 and the heat sink 21 are configured for holding the cavity of lens 30, optical reflective disk 50 and circuit board 11, offer screwed hole 41 as shown in Figure 4 on the panel of said face shield 40; The corresponding position correspondence of said lens 30, optical reflective disk 50, circuit board 11 and heat sink 21 offers threaded connection hole, said face shield 40, lens 30, optical reflective disk 50, circuit board 11 and 20 affixed settings of screw thread of heat abstractor.The arrangement mode of its screwed hole 41 can be with reference to shown in Figure 4 around cover body 40 panel settings; Then pass the prefabricated installing hole stated on face shield 40, lens 30, optical reflective disk 50, circuit board 11 and the heat abstractor 20 to realize its affixed operation through bolt during installation, overall co-ordination is reliable and stable.
Further, 30 on said face shield 40 and lens are provided with sealing fixture 80, and said sealing fixture 80 is a rubber ring; Thereby guarantee its inner space phase positiver sealing of adverse circumstances to external world on the one hand; Avoid influencing its service life because of the entering of external substance; Simultaneously guarantee that also face shield 40 can effectively compress each parts that is coated reliably, guarantees the stability of its relative position relation at work.
Further; For realizing suspension type function of the present invention, like Fig. 2 and shown in Figure 5, outwards postpone bearing 212 arranged in the plate face place, fin place on the said heat sink 21; Said LED bulkhead lamp capable also comprises the suspension part 60 affixed with its bearing 212; Said LED bulkhead lamp capable also comprises power supply 70, and said power supply 70 is arranged at 60 places, suspension part, and said power supply 70 is through the through-hole section connecting circuit plate 11 on the heat sink 21.
Claims (10)
1. LED bulkhead lamp capable; Comprise led light source assembly and heat abstractor (20); Said led light source assembly comprises circuit board (11) and is fixedly arranged on the led light source portion (12) on the circuit board (11); It is characterized in that: said heat abstractor (20) comprises heat sink (21), and said heat sink (21) profile is in the form of annular discs, and one of which lateral plates and led light source component joint are provided with; Its opposite side vertical or tilt its plate towards outside postpone fin-shaped or bent plate shape fin arranged, said fin integral body is the boundling shape that is extended to heat sink (21) center by heat sink (21) plate body outer rim and arranges.
2. LED bulkhead lamp capable according to claim 1; It is characterized in that: said fin comprises first fin (22); Said first fin (22) is to be symmetrical set more than two and along heat sink (21) central axis; Equidistant placement between said each adjacent first fin (22) inner end portion; Said fin also comprises the sub-fin (23) that is located in the middle of two adjacent first fin (22), and said sub-fin (23) and the minimum spacing of adjacent first fin (22) plate face equal the minimum spacing of two adjacent first fin (22).
3. LED bulkhead lamp capable according to claim 2 is characterized in that: it is lamellar that said fin all is vertical bar, and said each fin interbody spacer arranges that evenly the minimum spacing of said each adjacent fin is 8-10mm.
4. according to claim 2 or 3 described LED bulkhead lamp capables; It is characterized in that: the cantilever-shaped outstanding heat sink of said fin (21) outer rim setting; Said fin longitudinal cross-section is frustum, and the affixed heat sink of its big end (21) plate face is one-body molded between said fin and heat sink (21).
5. LED bulkhead lamp capable according to claim 1; It is characterized in that: the side plate face that closes on circuit board (11) on the said heat sink (21) caves in has countersink region (211); Said countersink region (211) is provided with its plate body axis coaxle; It is consistent with this countersink region (211) discoid that said circuit board (11) profile is; Said circuit board (11) is positioned at countersink region (211) and its plate face and its bottom end face fits or binds and be provided with, and run through to be provided with and is used for through-hole section that circuit board (11) wiring is drawn at said heat sink (21) plate body axis place.
6. LED bulkhead lamp capable according to claim 5; It is characterized in that: formation goes up for spot light is embedded at circuit board (11) in said led light source portion (12), and said led light source portion (12) constitutes plural concentric ring-shaped and its axis and circuit board (11) axis coaxle setting.
7. LED bulkhead lamp capable according to claim 6; It is characterized in that: said LED bulkhead lamp capable also comprises lens (30) and is used for lens (30) are attached to the face shield (40) that circuit board (11) is located; Said lens (30) material is a ground glass; Said LED bulkhead lamp capable comprises the optical reflective disk (50) that is used in reference to led light source portion (12) direction of illumination; Said optical reflective disk (50) be located between lens (40) and circuit board (11) and on it corresponding each spot light offer the reflection shield hole, affixed setting between the said face shield that sets gradually (40), lens (30), optical reflective disk (50), circuit board (11) and heat abstractor (20).
8. LED bulkhead lamp capable according to claim 7; It is characterized in that: postpone and constitute socket between the two and cooperate in heat sink (21) the outer rim place of said face shield (40) outer rim on heat abstractor (20); Be configured for holding the cavity of lens (30), optical reflective disk (50) and circuit board (11) between the countersink region (211) on said face shield (40) and the heat sink (21); Offer screwed hole (41) on the panel of said face shield (40); The corresponding position correspondence of said lens (30), optical reflective disk (50), circuit board (11) and heat sink (21) offers threaded connection hole, the affixed setting of screw thread between said face shield (40), lens (30), optical reflective disk (50), circuit board (11) and heat abstractor (20).
9. according to claim 7 or 8 described LED bulkhead lamp capables, it is characterized in that: between said face shield (40) and lens (30) sealing fixture (80) is set, said sealing fixture (80) is a rubber ring.
10. according to claim 5 or 6 or 7 or 8 described LED bulkhead lamp capables; It is characterized in that: outwards postpone bearing (212) arranged in the plate face place, fin place on the said heat sink (21); Said LED bulkhead lamp capable also comprises the suspension part (60) affixed with its bearing (212); Said LED bulkhead lamp capable also comprises power supply (70), and said power supply (70) is arranged at suspension part (60) and locates, and said power supply (70) is through the through-hole section connecting circuit plate (11) on the heat sink (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104190425A CN102518991A (en) | 2011-12-14 | 2011-12-14 | LED (light-emitting diode) industrial and mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104190425A CN102518991A (en) | 2011-12-14 | 2011-12-14 | LED (light-emitting diode) industrial and mining lamp |
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| Publication Number | Publication Date |
|---|---|
| CN102518991A true CN102518991A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104190425A Pending CN102518991A (en) | 2011-12-14 | 2011-12-14 | LED (light-emitting diode) industrial and mining lamp |
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| Country | Link |
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| CN (1) | CN102518991A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016982A (en) * | 2012-12-03 | 2013-04-03 | 中山市鸿宝电业有限公司 | Standard LED (Light Emitting Diode) optical component module |
| CN103335268A (en) * | 2013-06-27 | 2013-10-02 | 浙江华彩光电科技有限公司 | Mining LED (Light Emitting Diode) work lamp |
| CN104676353A (en) * | 2013-11-26 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Lamp |
| CN105864681A (en) * | 2015-01-22 | 2016-08-17 | 全亿大科技（佛山）有限公司 | Led illuminating device |
| EP3336423B1 (en) * | 2016-12-14 | 2019-11-06 | Gifas Beteiligungen GmbH | Lighting device, a method for producing a base body and/or cooling element of the illumination device and their use |
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Application publication date: 20120627 |