CN101943354A - Led street lamp - Google Patents

Led street lamp Download PDF

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Publication number
CN101943354A
CN101943354A CN2010102231021A CN201010223102A CN101943354A CN 101943354 A CN101943354 A CN 101943354A CN 2010102231021 A CN2010102231021 A CN 2010102231021A CN 201010223102 A CN201010223102 A CN 201010223102A CN 101943354 A CN101943354 A CN 101943354A
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CN
China
Prior art keywords
explosion
proof
housing
street lamp
lid
Prior art date
Application number
CN2010102231021A
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Chinese (zh)
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CN101943354B (en
Inventor
周明杰
彭云龙
Original Assignee
海洋王照明科技股份有限公司
深圳市海洋王照明技术有限公司
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Priority to CN2010102231021A priority Critical patent/CN101943354B/en
Publication of CN101943354A publication Critical patent/CN101943354A/en
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Publication of CN101943354B publication Critical patent/CN101943354B/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention relates to an LED street lamp which comprises a shell, a cover body and an explosion-proof piece, wherein the shell is in a rotary table type hollow structure; the outer surface of the shell is sleeved with a transparent piece; the inner surface of the shell is provided with a heat radiating structure; a sealing cavity is formed between the transparent piece and the outer surface of the shell and is used for containing a luminous light source; the cover body is of an inverted bowl shape and is provided with a plurality of through holes; the through holes extend downwards to the edge position of the wall of the bowl; the explosion-proof piece is contained in a containing cavity; a gap is reserved between the explosion-proof piece and the end surface of the shell; an explosion-proof cavity is formed on the explosion-proof piece and used for accommodating an electrical equipment element used for driving the luminous light source to emit light; the lower surface of a lower cover of the explosion-proof piece is provided with a power terminal of the street lamp; a power line of a circuit board in the explosion-proof cavity is led out through an explosion-proof connector lug; then the power line is led into a street lamp column by a connector lug of the street lamp column at the lower part of the shell; and consequently the LED street lamp is applied to a street lamp conveniently.

Description

The LED street lamp
[technical field]
The present invention relates to lighting device, particularly relate to a kind of LED street lamp.
[background technology]
Along with the develop rapidly of science and technology, lighting produce, use in the storage, rescue more and more widely, kind is also more and more.Because lighting adopts Metal halogen lamp or fluorescent lamp as light source usually, in work, can produce electric spark inevitably or form red-hot surface, they will cause the generation of explosion accident in case meet with damp, dust or its mixture of production or rescue site.Therefore, in the hazardous area that has damp, dust or its mixture, how to prevent the generation of lighting explosion accident, become crucial problem.The temperature of the electric arc that existing LED street lamp produces by the restriction lamp interior, the case surface that spark contacts with damp, dust reaches explosion-proof purpose.
Along with light emitting diode (Light Emitting Diode, LED) technology moves to maturity gradually, relative Metal halogen lamp or fluorescent lamp, because led light source has advantages such as caloric value is little, power consumption is little, operating voltage is low, long service life, make led light source can be applied in the LED street lamp, especially in the Portable LED street lamp, led light source is a kind of more satisfactory light source.
Yet, when the housing of traditional LED street lamp is applicable to street lamp, need the structure of housing be redesigned and reequip.
[summary of the invention]
Based on this, be necessary to provide a kind of LED street lamp applicable to street lamp.
A kind of LED street lamp, a kind of LED street lamp is characterized in that, described light fixture comprises:
Adopt the housing of circular platform type hollow structure, the outer surface of described housing is arranged with Transparent Parts, forms sealed cavity between the outer surface of described Transparent Parts and described housing, and in order to ccontaining illuminating source, the inner surface of described housing is provided with radiator structure;
Lid with the end face of described housing is fixedly linked when described lid is fixedly connected on the end face of described housing, forms host cavity between the inner surface of described lid and the end face of described housing;
Be placed in the explosion-proof part in the described host cavity, leave the gap that has been used for thermolysis between the end face of described explosion-proof part and described housing; Described explosion-proof part forms the explosion-proof chamber that drives the luminous electric elements of described illuminating source in order to accommodate, described explosion-proof chamber is provided with the road lamp power supply binding post, be used for the power line of explosion-proof chamber circuit board is drawn, power line introduced lamppost by the lamppost connector of described lower housing portion setting.
In a preferred embodiment, the inner surface of cup shell also inwardly convexes with second wire connection cavity, and second wire connection cavity and explosion-proof chamber are tightly connected by Explosion proof joint, electric wire is entered second wire connection cavity by explosion-proof chamber and realize electrically connecting with illuminating source.
In a preferred embodiment, the lamppost connector of lower housing portion comprises body and the cylindrical shape wire connecting portion that is connected with the inside circumference of body by a plurality of ribs, offers the heat radiation through hole of a plurality of hollows between body and the cylindrical shape wire connecting portion.
Above-mentioned LED street lamp is drawn the power line of circuit board in the explosion-proof chamber by the explosion-proof wiring head, by the lamppost connector of lower housing portion power line is introduced lamppost then, thereby goes for street lamp.
[description of drawings]
Fig. 1 is the perspective exploded view of the LED street lamp of one embodiment of the present invention;
Fig. 2 is the profile along first direction of the LED street lamp of one embodiment of the present invention;
Fig. 3 is the part enlarged diagram of the LED street lamp of the present invention's a kind of embodiment shown in Figure 2;
Fig. 4 is the vertical view of explosion-proof part of the LED street lamp of one embodiment of the present invention;
Fig. 5 is the profile along second direction of the LED street lamp of one embodiment of the present invention;
Profile when Fig. 6 is applicable to street lamp for the LED street lamp of one embodiment of the present invention;
Fig. 7 is the schematic perspective view of lamppost connector lug of the LED street lamp of one embodiment of the present invention;
Fig. 8 is the perspective view of the LED street lamp housing of another embodiment of the invention.
Fig. 9 is the generalized section of Fig. 8.
Figure 10 is the generalized section of lid among Fig. 8.
Figure 11 be among Fig. 8 lid perspective view.
[specific embodiment]
The invention provides a kind of being suitable for and make street lamp, and have concurrently explosion-proof and LED street lamp heat sinking function.As a kind of lighting device, LED street lamp of the present invention can be used in but be not limited to following place, for example, and inflammable and explosive places such as petroleum and petrochemical industry, shipbuilding, offshore oil platform, oily station, oil depot, gas station, oil pump room.
See also Fig. 1, Fig. 1 is the perspective exploded view of a kind of embodiment of LED street lamp of the present invention.In one embodiment of the invention, LED street lamp 100 comprises lid 10 and housing 20, the sheathed reflector 216,218 of housing 20 outer surfaces.Lid 10 can be covered on the housing 20, forms one and accommodates cavity.Accommodate the cavity body structure that cavity is a hollow, can carry out convection current with the air of LED street lamp 100 outsides, to dispel the heat.Especially; in one embodiment of the invention, accommodate cavity and can also accommodate an explosion-proof part in it, described explosion-proof part forms the explosion-proof chamber 360 (as Fig. 5) that drives the luminous electric elements of described illuminating source 214 in order to accommodate; to be used to protect electronic devices and components, play the effect of flame proof.Leave the gap between the end face of described explosion-proof part and described housing,, improve radiating effect to realize cross-ventilation.Illuminating source 214 is mounted on the outer surface of housing 20.
Also comprise the explosion-proof part that is placed in the described host cavity in the above-mentioned modulated structure, leave the gap that has been used for thermolysis between the end face of described explosion-proof part and described housing 20; Described explosion-proof part forms the explosion-proof chamber 360 that drives the luminous electric elements of described illuminating source in order to accommodate, described explosion-proof chamber 360 is provided with road lamp power supply binding post 422, be used for the power line of explosion-proof chamber 360 circuit boards is drawn, the lamppost connector that is provided with by described housing 20 bottoms 430 is introduced lamppost with power line.
In one embodiment of the invention, the lower surface of explosion-proof part 30 is reserved with road lamp power supply binding post 422, consults Fig. 6, the profile when LED street lamp 100 is applicable to street lamp.By explosion-proof wiring head 424 power line 428 of circuit board in the explosion-proof chamber 360 is drawn from road lamp power supply binding post 422, by the lamppost connector 430 of housing 20 bottoms power line 428 is introduced lamppost then.The end of explosion-proof wiring head 424 is provided with the pressure-ray film 426 that is used for fixing power line 428.
See also Fig. 7, be the schematic perspective view of the lamppost connector lug 430 of the LED street lamp 100 of one embodiment of the present invention.Lamppost connector lug 430 comprises columned body 432, and the cylindrical shape wire connecting portion 434 that connects body 324 inside circumference by a plurality of ribs 433.Offer the heat radiation through hole 436 of a plurality of hollows between body 432 and the cylindrical shape wire connecting portion 434, to strengthen circulation of air.
Specify shell structure below in conjunction with accompanying drawing.
Continue to consult Fig. 1, in one embodiment of the invention, housing 20 adopts the truncated cone-shaped hollow structure.Housing 20 comprises glass shell 210, the cup along 220 and the cup end 230.Cup extends along the bigger top edge periphery along continuous straight runs of cup shell 210 bores along 220.The cup end 230, be connected in the less lower limb of glass shell 210 bores.In one embodiment, the radiator structure of through hole can be arranged to have in the cup end 230, to strengthen circulation of air.Cup shell 210, cup along 220 and cup forms the cavity 282 (as Fig. 2) of opening the end 230 together.
In one embodiment of the invention, cup convexes with some first projections 222 and second projection 224 along 220 perpendicular.Be provided with predetermined spacing between first projection 222, also be provided with predetermined spacing between second projection 224.The diameter of second projection 224 is greater than the diameter of first projection 222, and second projection 224 relatively cup along the height on 220 surfaces greater than first projection 222 relatively cup along the height on 220 surfaces.
In one embodiment of the invention, the inner surface of cup shell 210 inwardly convexes with a step 240.The horizontal surface of step 240 is convex to be provided with some heating columns 242 that are frustum.Heating column 242 diminishes gradually at its upwardly extending direction upper section diameter, and the upper surface of heating column is higher than cup along 220 horizontal surface.Further, the inner surface of cup shell 210 also inwardly convexes with some heat radiation reinforcements 226 in the form of sheets.Heat radiation reinforcement 226 evenly separates above-mentioned first projection 222 and second projection 224.Heat radiation reinforcement 226 is arranged at intervals at the inner surface of glass shell 210, and begins to extend on the step 240 from the described glass of surface along 220.Heat radiation reinforcement 226 evenly separates above-mentioned first projection 222 and second projection 224.Heat radiation reinforcement 226 and heating column 242 are used for illuminating source is transmitted in the described cavity 282 at the heat that luminescence process produces, and along with the flowing of air, heat are taken out of the outside of housing 20.In other embodiments, the inner surface of cup shell 210 also can inwardly be convexly equipped with multilayer step 240.The horizontal surface of each layer step 240 all upwards is convexly equipped with some heating columns 242 that are frustum.Above-mentioned heating column 242, first projection 222 and second projection 224 all can be used for heat radiation.
In one embodiment of the invention, cup shell 210 also inwardly is convexly equipped with one second wire connection cavity 228 in the part.Second position of wire connection cavity 228 in cup shell 210 is corresponding with the position of illuminating source.Second wire connection cavity 228 is provided with the wiring through hole 229 that can the power supply source line passes, and electrically connects with the illuminating source with surface of shell.
On the basis of said structure, at different shell structures, will there be different version in corresponding lid 10.
Embodiment one: shown in Fig. 1,2,3,4,5, lid 10 is the bowl-shape of back-off, at the bottom of described lid 10 comprises bowl 110 and from the bowl wall 120 of the described bowl end oblique downward extension in 110 edges, the surface of described bowl wall 120 offers a plurality of through holes 132, described through hole 132 start from described blind hole marginal position, extend downward the position, edge of described bowl wall 120.The bowl wall 120 of this oblique extension and the angle of bowl at the end 110 are greater than 90 degree.
As shown in Figure 1, a plurality of through holes 132 of offering on the above-mentioned lid 10 are strip, described strip through hole 132 is divided into many groups, circumferentially leave the first default spacing along sidewall surfaces between each group leader's strip through-hole, circumferentially leave the second default spacing along sidewall surfaces between a plurality of strip through holes in every group, the described first default spacing is greater than the described second default spacing; Described lid 10 is provided with screwed hole 123 being positioned on the described blind hole edge and the described first default spacing relevant position, and described screwed hole 123 is used for by long spiro nail described lid 10 being fixedly connected on the end face of described housing 20.During installation, bowl wall 120 edges of lid 10 are resisted against the cup of glass shell 210 along 220 marginal positions.In embodiment of the present invention, when at the bottom of the bowl 110 when being used to that this LED street lamp 100 is installed to exterior object, a bowl end 110, can be configured to suitable structure, to fixedly connected with exterior object, allows external cable pass through simultaneously.For example, the bowl end 110, be provided with some screwed holes (Fig. 1 is label not) to fixedly connected with exterior object by trip bolt.
In this embodiment, consult Fig. 2 and Fig. 3, it is the profile along first direction of the LED street lamp 100 of one embodiment of the present invention.LED street lamp 100 further comprises explosion-proof part 30.Explosion-proof part 30 has cavity structure, is used to protect electronic devices and components.When lid 10 back-offs on housing 20, and when fixedlying connected with the end face of housing 20, explosion-proof part 30 integral body are accommodated in the host cavity of lid 10, and the cavity 282 of basic covering shell 20.
See also Fig. 5, Fig. 6 and Fig. 7, wherein Fig. 6 is the enlarged diagram at VI place among Fig. 5, Fig. 7 is the vertical view of explosion-proof part 30.In one embodiment of the invention, explosion-proof part 30 comprises the loam cake 320 and the lower cover 340 that can snap together mutually.As shown in Figure 6, loam cake 320 comprises upper cover plate 322 and the first side wall 323 that extends along upper cover plate 322 edge-perpendicular downwards.The outer surface of the first side wall 323 also partly level convex with some first fastening lugs 324 that are used for, in conjunction with shown in Figure 4.Each first lug 324 also is provided with first through hole 3242 that runs through.In the present embodiment, the quantity of first lug 324 is three, and be uniformly distributed in the first side wall 323 around.Be appreciated that in other embodiments the quantity of first lug 324 can be other quantity, can be evenly also can uneven distribution around the first side wall 323, as long as can realize the purpose of fixing.
Continue to consult Fig. 2, Fig. 3 and Fig. 4, the loam cake 320 here is identical with lower cover 340 general structures.Lower cover 340 comprises lower cover 342 and along upwardly extending second sidewall 346 of lower cover 342 edge-perpendicular.The outer surface of second sidewall 346 is provided with second groove (ginseng Fig. 3 of annular near lower cover 342 places, do not indicate) with element numbers, be used to set seal 388, enclosed accordingly and realized that upper and lower covers better seal loam cake relevant position should be provided with the projection or the bulge loop of compacting sealing ring.Second sidewall 346 has some second lugs 344 with the junction horizontal-extending of lower cover 342.The shape of second lug 344 is configured to corresponding with first lug 324 with the position.Second lug 344 has provided second through hole (ginseng Fig. 6 does not indicate with element numbers), passes first through hole and second through hole for securing member 386, and loam cake 320 and lower cover 340 are tightened together.Especially, securing member 386 also fixes the explosion-proof part 30 that fits together and the screwed hole 123 of lid 10.In one embodiment of the invention, securing member 386 is a trip bolt, and the screwed hole 123 that the inside of lid 10 is provided with some correspondences screws togather for trip bolt.Be appreciated that in other embodiments, also can adopt the fixed structure of other modes, for example snap-in structure or glued construction are realized interfixing of explosion-proof part 30 and lid 10.Be appreciated that in other embodiments the groove that any place of the outer surface of the inner surface of the first side wall 323 or second sidewall 346 is provided for setting seal gets final product.
In one embodiment of the invention, 346 external diameters around the annulus that forms of second sidewall are configured to equal or are slightly larger than 323 internal diameters around the annulus that forms of the first side wall, so that loam cake 320 is when fastening with lower cover 340, second sidewall 346 fits tightly the inner surface of the first side wall 323, forms the explosion-proof chamber 360 of a sealing.The outer circumference diameter of the lower cover 342 of lower cover 340 is configured to the maximum gauge greater than cavity 282, so that explosion-proof part 30 can wholely cover cavity 282.Further, explosion-proof part 30 also is provided with a seal 388 between second groove of first groove of the first side wall 323 and second sidewall 346, closely cooperate to realize better sealing effectiveness.In addition, when explosion-proof part 30 is installed between lid 10 and the housing 20, leave a gap 384 (ginseng Fig. 6) between second lug 344 of the bowl wall 120 of lid 10 and first lug 324 of upper cover plate 322 and lower cover 342, to strengthen heat radiation.Simultaneously, the periphery supporting of lower cover 342 in cup along on 220 the projection, with cup along 220 and the lower surface of lower cover 342 between a default gap 385 (ginseng Fig. 6), thereby strengthen the circulation of air, strengthen radiating effect.
Embodiment two: shown in Fig. 8 to 11, among Fig. 8, the large end face of housing 20 bore maximums upwards evenly is convexly equipped with a plurality of thermal column portion 221 around its circumferencial direction, and each thermal column portion 221 comprises a plurality of fin-shaped radiating ribs 244, leaves predetermined gap between each fin-shaped radiating ribs 244; The lid 10 that is fixedly linked with the end face of described housing 20 is the cap shape, shown in Fig. 9,10,11, described lid 10 comprises crown portion 920 and the shade portion 130 of extending from described crown portion 920 edge-perpendicular downwards, the edge of described shade portion 130 is against the top of described thermal column portion 221, described lid 10 is fixedlyed connected with the large end face of described housing 20 by securing member, promptly fixedlys connected along 220 with cup by securing member.Described shade portion 130 is provided with first screwed hole 134, and described screwed hole 134 is used for by long spiro nail described lid being fixedly connected on the large end face of described housing 20, and the large end face here is meant the end face of the bore maximum of circular platform type hollow structure housing 10.In embodiment of the present invention, shade portion 130 constitutes an open host cavity (Fig. 1 does not show) with crown portion 920.When lid 10 and housing 20 covered, this host cavity was a part of accommodating cavity.Also being provided with second screwed hole, 136, the second screwed holes 136 on the lid 10 is used for fixedlying connected with explosion-proof part 30.First screwed hole 134 and second screwed hole 136 are provided with at interval.
Consult Fig. 9, and IV place among this figure.Explosion-proof part 30 has cavity structure, is used to protect electronic devices and components.When lid 10 back-offs on housing 20, and when fixedlying connected with the end face of housing 20, explosion-proof part 30 integral body are accommodated in the host cavity of lid 10, and the cavity of basic covering shell 20.
As shown in Figure 9, because the structural design of housing 20, the explosion-proof part 30 here can include only a lower cover 340, described lower cover 340 comprises lower cover 342 and the sidewall 346 that extends from described lower cover 342 edge-perpendicular, the fit inner surface of described lid 10 shade portions 130 of the intimate of described sidewall 346.The lower cover 340 here is identical with lower cover structure in the foregoing description one.346 of above-mentioned sidewalls are configured to be slightly less than the internal diameter of 130 inner surfaces institute of described lid 10 shade portions around the annulus of formation around the external diameters of the annulus that forms, so that both are when fastening, sidewall 346 fits tightly shade portion 130 inner surfaces, forms the explosion-proof chamber 360 of a sealing.The outer circumference diameter of the lower cover 342 of lower cover 340 is configured to the maximum gauge greater than cavity 282, so that explosion-proof part 30 can wholely cover cavity 282, and the periphery supporting of lower cover 342 in cup along on 220 the projection, with cup along 220 and the lower surface of lower cover 342 between a default gap 385 (ginseng Fig. 3), thereby strengthen the circulation of air, strengthen radiating effect.
As shown in Figure 9, the outer surface of sidewall 346 is provided with groove (ginseng Fig. 4 of annular near lower cover 342 places, do not indicate) with element numbers, be used to set seal 388, make the fit inner surface of described lid 10 shade portions 130 of the intimate of described sidewall 346, with the explosion-proof chamber 360 of better formation sealing, realize effectively sealing.
As shown in Figure 9, sidewall 346 has a plurality of lugs with the junction horizontal-extending of horizonal base plate 342, and the structure of lower cover lug is identical with the foregoing description 1 herein, specifically referring to above-mentioned explanation.Utilize securing member 386 that explosion-proof part 30 and the lid 10 that fits together fixed.
On the basis of above-mentioned two example structure, please continue to consult in the lump Fig. 2 and Fig. 5, first reflector 216 and second reflector 218 that the outer surface of cup shell 210 is pasted with illuminating source 214 and plays the light reflex.First reflector and second reflector 218 lay respectively at illuminating source 214 upper end edge and following ora terminalis place.In one embodiment of the invention, this illuminating source 214 is a led light source.Illuminating source 214 is connected with external power source by the power supply tie-in line, the electric energy that provides with the reception external power source, and convert electric energy to luminous energy, outwards emit beam.Be appreciated that in other embodiments illuminating source 214 also can be the light source of other types, for example fluorescent lamp etc.
In addition, the also sheathed Transparent Parts 212 in periphery of cup shell 210.See also Fig. 1, Transparent Parts 212 fixes in the periphery of cup shell 210 by lamp ring 225, Transparent Parts 212 and and the outer surface of cup shell 210 between form sealed cavity (ginseng Fig. 1 indicates with element numbers).The sealing cavity is used for ccontaining illuminating source 214, and the light that illuminating source 214 sends can pass through Transparent Parts 212 outside transmissions.
See also Fig. 2 and Fig. 5, Fig. 5 is the profile along second direction of the LED street lamp of one embodiment of the present invention.In the above-described embodiment, described explosion-proof part comprises lower cover 342 at least, and it also is provided with the through hole 3242 that supply lines passes through, and it is communicated with second wire connection cavity 228, and the illuminating source that is used for housing 20 surfaces electrically connects.Through hole 3242 is fixedlyed connected by explosion-proof wiring head 285 with the through hole 229 of wire connection cavity 228.Through hole 3242 junctions of explosion-proof wiring head 285 and lower cover 342, and explosion-proof wiring head 285 also realizes being tightly connected by sealing ring 284 and 286 respectively with the junction of through hole 3242, to reach better sealing effectiveness.
In the above-mentioned enforcement one, explosion-proof part constitutes explosion-proof chamber by loam cake and lower cover, and among the embodiment two, the fit inner surface of shade portion of described lid of the sidewall intimate of extending by the lower cover edge-perpendicular, form explosion-proof chamber, can be with the outer circumference diameter of explosion-proof part maximum gauge greater than described cavity, cover described cavity so that described explosion-proof part is whole.In order to realize effective cross-ventilation, leave the gap that has been used for thermolysis between the end face of described explosion-proof part and described housing; Just, leave the gap that has been used for thermolysis between the end face of explosion-proof part lower cover and described housing.
From the above, consider Figure of description in light of actual conditions, those skilled in the art should implement LED street lamp 100 provided by the invention.LED street lamp 100 of the present invention is drawn the power line 428 of circuit board in the explosion-proof chamber 360 by explosion-proof wiring head 424, by the lamppost connector 430 of housing 20 bottoms power line 428 is introduced lamppost then, thereby is applicable to street lamp with comparalive ease.In addition; LED street lamp 100 of the present invention is by being provided with an explosion-proof part with cavity structure between lid 10 and housing 20; the protection electronic devices and components; neither influence the cabling of power circuit; do not influence whole radiating requirements yet; also receive preferable flame proof effect, obtained beneficial technical effects.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a LED street lamp is characterized in that, described light fixture comprises:
Adopt the housing of circular platform type hollow structure, the outer surface of described housing is arranged with Transparent Parts, forms sealed cavity between the outer surface of described Transparent Parts and described housing, and in order to ccontaining illuminating source, the inner surface of described housing is provided with radiator structure;
Lid with the end face of described housing is fixedly linked when described lid is fixedly connected on the end face of described housing, forms host cavity between the inner surface of described lid and the end face of described housing; And
Be placed in the explosion-proof part in the described host cavity, leave the gap that has been used for thermolysis between the end face of described explosion-proof part and described housing; Described explosion-proof part forms the explosion-proof chamber that drives the luminous electric elements of described illuminating source in order to accommodate, described explosion-proof chamber is provided with the road lamp power supply binding post, be used for the power line of explosion-proof chamber circuit board is drawn, power line introduced lamppost by the lamppost connector of described lower housing portion setting.
2. street lamp according to claim 1, it is characterized in that, described lid is the bowl-shape of back-off, at the bottom of described lid comprises bowl and from the bowl wall of the oblique downward extension of described bowl feather edge, the described bowl end, be provided with a blind hole, in order to form to connect first wire connection cavity of power supply, the surface of described bowl wall offers a plurality of through holes, described through hole start from described blind hole marginal position, extend downward the position, edge of described bowl wall.
3. street lamp according to claim 2, it is characterized in that, a plurality of through holes of offering on the described lid are strip, described strip through hole is divided into many groups, circumferentially leave the first default spacing along sidewall surfaces between each group leader's strip through-hole, circumferentially leave the second default spacing along sidewall surfaces between a plurality of strip through holes in every group, the described first default spacing is greater than the described second default spacing; Described lid is provided with screwed hole being positioned on the described blind hole edge and the described first default spacing relevant position, and described screwed hole is used for by long spiro nail described lid being fixedly connected on the end face of described housing.
4. street lamp according to claim 1, it is characterized in that, the large end face of described housing bore maximum upwards evenly is convexly equipped with a plurality of thermal column portion around its circumferencial direction, and each thermal column portion comprises a plurality of fin-shaped radiating ribs, leaves predetermined gap between each fin-shaped radiating ribs;
The lid that is fixedly linked with the end face of described housing is the cap shape, described lid comprises crown portion and the shade portion of extending from described crown portion edge-perpendicular downwards, the edge of described shade portion is against the top of described thermal column portion, and described lid is fixedlyed connected with the large end face of described housing by securing member.
5. street lamp according to claim 4, it is characterized in that described explosion-proof part comprises a lower cover, described lower cover comprises lower cover and the sidewall that extends from described lower cover edge-perpendicular, the fit inner surface of shade portion of described lid of the intimate of described sidewall is to form explosion-proof chamber.
6. street lamp according to claim 1, it is characterized in that, described housing comprises glass shell and cup edge, described cup is along the end face edge horizontal-extending along described cup faucal footpath maximum, described cup shell and cup are along forming open cavity, the outer circumference diameter of described explosion-proof part is greater than the maximum gauge of described cavity, so that the described cavity of the whole covering of described explosion-proof part.
7. street lamp according to claim 6, it is characterized in that, described cup is along convexing with some first projections with thermolysis along its perpendicular, the end of described first projection and the end of described heating column are on same horizontal plane, described first projection also is used to support described explosion-proof part lower surface, so that leave certain clearance between the cup edge of described explosion-proof part lower surface and described housing, to guarantee circulation of air.
8. light fixture according to claim 1 is characterized in that, the end of described heating column stretches out the end face of described housing bore maximum.
9. street lamp according to claim 1, it is characterized in that, the inner surface of described housing also inwardly convexes with second wire connection cavity, and second wire connection cavity and explosion-proof chamber are tightly connected by Explosion proof joint, electric wire is entered second wire connection cavity by explosion-proof chamber and realize electrically connecting with illuminating source.
10. light fixture according to claim 1, it is characterized in that, the lamppost connector of described lower housing portion setting comprises body and the cylindrical shape wire connecting portion that is connected with the inside circumference of body by a plurality of ribs, offers the heat radiation through hole of a plurality of hollows between body and the cylindrical shape wire connecting portion.
CN2010102231021A 2010-06-30 2010-06-30 Led street lamp CN101943354B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103591477A (en) * 2012-08-15 2014-02-19 华荣科技股份有限公司 LED (light emitting diode) light source module for explosion-proof lamp
CN104633556A (en) * 2013-11-12 2015-05-20 海洋王(东莞)照明科技有限公司 Ceiling light
WO2019191843A1 (en) * 2018-04-04 2019-10-10 Cleantek Industries Inc. Lightweight led lighting systems for permanent and semi-permanent mounting on elevated structures having integrated support and thermal transfer features

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