A kind of shell and lighting deviceTechnical field
The utility model relates to lighting technical field more particularly to a kind of shells and lighting device.
Background technique
Current lighting device, due to the structure setting of shell, so that light source portion usually with power supply unit to be superimposed up and downForm setting, i.e. power module are folded to be located on the shady face of light source module.
However, power module to be superimposed upon to the backlight of light source module since the flowing of heat in space is usually upwardOn face, the heat that light source module can be made to issue sheds again after need to conducting to power module, also allows for power module higherIt works in the environment of temperature and the whole lamp heat dissipation effect of lighting device is poor.
Utility model content
In order to improve reliability and improve whole lamp heat dissipation effect, the utility model provides a kind of shell and lighting device.
To solve the above problems, shell provided by the utility model, including power supply unit, light source portion and interconnecting piece；The lightOrthographic projection of the source portion on a sagittal plane of the shell is separated from each other with orthographic projection of the power supply unit on the sagittal plane,The interconnecting piece connects the light source portion and the power supply unit.
Above-mentioned shell, the light source portion is around the power supply unit.
Above-mentioned shell, the light source portion have inner ring surface, outer surface and inner surface, and the inner ring surface is towards the power supplyPortion, the outer surface and the inner surface are disposed opposite to each other and both prolong from the inner ring surface towards the direction away from the power supply unitIt stretches, is recessed with light-source chamber from the inner surface；The first heat dissipation channel, first heat dissipation channel edge are provided on the interconnecting pieceThe outer surface to the direction of the inner surface is through setting.
Above-mentioned shell, the shell further include extension, and the extension is from the light source portion towards away from the power supplyThe direction in portion extends；The second heat dissipation channel is provided on the extension, second heat dissipation channel is along the outer surface to instituteThe direction of inner surface is stated through setting.
Above-mentioned shell, the power supply unit have the outside wall surface towards the inner ring surface, and the interconnecting piece connection is described interiorAnchor ring and the outside wall surface；The inner surface and the outer surface extend along the sagittal plane of the shell；First heat dissipation is logicalRoad and second heat dissipation channel are along the axially extending of the shell.
Above-mentioned shell, the quantity at least two of first heat dissipation channel, and centered on the power supply unit in a ringArray；The quantity at least two of second heat dissipation channel, and using the power supply unit as center circular array.
Above-mentioned shell, is provided with cooling fin on the outer surface, and the cooling fin is from outer surface towards deviating from the interior tableThe direction in face extends.
Above-mentioned shell, the quantity at least two of the cooling fin, and be set on the outer surface in homogeneous radiation shape.
Power source cavity is arranged on the power supply unit in above-mentioned shell, and the power source cavity and the opening of the light-source chamber are in the same direction.
Above-mentioned shell, setting is connected to the venthole of the outer surface and the light-source chamber in the light source portion.
Above-mentioned shell, the venthole have the limiting section set gradually from the light-source chamber towards the outer surface directionAnd first through hole；The limiting section is set in the venthole, be provided on the limiting section connection first through hole andSecond through-hole of the light-source chamber.
Above-mentioned shell, the first through hole successively include along the direction extended from the light-source chamber towards the outer surfaceInterconnected first segment, second segment and third section, the first segment connect the limiting section；Setting connection institute on the shellState second segment and extraneous gas-permeable channels.
To solve the above problems, the utility model provides a kind of lighting device, including light source module, power module and as aboveState the shell；The light source module is installed in the light source portion, and the power module is installed on the power supply unit, instituteThe projection of light source module and the power module on a sagittal plane of the shell is stated to be separated from each other.
Above-mentioned lighting device, the light source portion have inner ring surface, outer surface and inner surface, and the inner ring surface is described inPower supply unit, the outer surface and the inner surface are disposed opposite to each other and both from the inner ring surface towards the sides away from the power supply unitTo extension, light-source chamber is recessed with from the inner surface；
The lighting device further includes light distribution element, and the light distribution element connects the inner surface and the closing light-source chamberClosing chamber is formed, the light source module is located in the closing chamber.
Power source cavity is arranged on the power supply unit in above-mentioned lighting device, and the power module is installed in the power source cavity；The lighting device further includes power supply lid, and the power module is closed in the power source cavity by the power supply lid.
Above-mentioned lighting device, setting connection is extraneous on the shell and the venthole of the closing chamber, the light source dieBlock includes light source board, and the light source board is bonded the shell and has the avoid holes for being connected to the venthole and closing chamber；
The lighting device further includes waterproof and breathable part, and the waterproof and breathable part is set in the venthole and separates instituteState venthole.
Above-mentioned lighting device, the venthole have the limit set gradually from the closing chamber towards the outer surface directionPosition portion and first through hole；The limiting section is set in the venthole, and it is logical that connection described first is provided on the limiting sectionSecond through-hole in hole and the closing chamber；The waterproof and breathable part is set in the first through hole and is bonded the limiting section.
Above-mentioned lighting device, the first through hole successively include phase along the direction from the extraneous extension of closing chamber directionIntercommunicated first segment, second segment and third section, the first segment connect the limiting section, and the waterproof and breathable part is set to instituteIt states in first segment；
The lighting device further includes guard member, and the guard member is arranged in the third section；It is arranged on the shellIt is connected to the second segment and extraneous gas-permeable channels.
Above-mentioned lighting device, the waterproof and breathable part includes waterproof ventilated membrane and flexible plugs；The flexible plugs with it is describedFirst through hole interference fit, the flexible plugs include the first face and the second face being disposed opposite to each other, and connection first face andThe tracheae in second face；At least partly towards the limiting section, second face deviates from the closing chamber, institute in first faceState the tracheae connection external world and second through-hole；The waterproof ventilated membrane cover the tracheae and fit in first face and/Or on second face；
The tracheae is completely covered in projection of the guard member on second face.
Shell provided by the utility model, including power supply unit, light source portion and interconnecting piece, light source portion is around power supply unit, connectionPortion is then used to connect light source portion and power supply unit.Compared with the existing technology, the light source portion of the utility model is arranged around power supply unit, andIt is not to be superposed up and down, to avoid power module and light source module after installing power module and light source module on shellHeat superposition, to reduce the operating ambient temperature of power module and improve the heat dissipation effect of lighting device.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility modelPoint, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility modelImproper restriction.In the accompanying drawings:
Fig. 1 is the structure chart of the shell in one exemplary embodiment of the utility model；
Fig. 2 is the A-A cross-sectional view of shell in Fig. 1；
Fig. 3 is the enlarged drawing of protrusion in Fig. 2；
Fig. 4 is the structure chart of lighting device in one exemplary embodiment of the utility model；
Fig. 5 is the B-B cross-sectional view of lighting device in Fig. 4；
Fig. 6 is the explosive view of Fig. 4；
Fig. 7 is the heat dissipation path figure under C-C cross-sectional view of lighting device in Fig. 4；
Fig. 8 is the explosive view of Fig. 5.
Appended drawing reference:
200- lighting device；
100- shell；
10- power supply unit；11- outside wall surface；12- power source cavity
20- light source portion；21- inner ring surface；The outer surface 22-；23- inner surface；24- venthole；241- limiting section；2411-Two through-holes；242- first through hole；2421- first segment；2422- second segment；2423- third section；
25- cooling fin；
26- protrusion；261- protrudes inner ring surface；262- protrudes outer ring surface；The end face 263-；264- ventilating groove；
27- light-source chamber；
30- interconnecting piece；The first heat dissipation channel of 31-；
40- extension；The second heat dissipation channel of 41-；
50- light source module；
60- power module；
71- light distribution element；72- power supply lid；The first sealing ring of 73-；The second sealing ring of 74-；75- third sealing ring；76- is hungHook；
80- waterproof and breathable part；81- waterproof ventilated membrane；82- flexible plugs；The first face 821-；The second face 822-；823- gasPipe；
90- guard member；The threaded portion 91-；The head 92-.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearerTechnical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodimentIt is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this fieldThose of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility modelThe range of protection.
Embodiment 1
As depicted in figs. 1 and 2, one exemplary embodiment of the utility model proposes a kind of shell 100, which includesPower supply unit 10, light source portion 20 and interconnecting piece 30, orthographic projection of the light source portion 20 on a sagittal plane of shell 100 and power supply unit 10 existOrthographic projection on the sagittal plane is separated from each other, and interconnecting piece 30 connects light source portion 20 and power supply unit 10.That is power supply unit 10 and light source portion20 along shell 100 axial direction there is no overlapping, thus after shell 100 installs power module 60 and light source module 50, power supply unit10 and light source portion 20 on heat can not be superimposed and respectively shed, avoid power module 60 and the heat of light source module 50 from existingIt is axially stacking, to reduce the operating ambient temperature of power module 60 and improve the heat dissipation effect of lighting device 200.
Wherein, light source portion 20 can be looped around the periphery of power supply unit 10 in a ring.It is of course also possible to be that power supply unit 10 is inAnnular is looped around the periphery in light source portion 20；Either both light source portion 20 and power supply unit 10 are set side by side along a horizontal direction.
Light source portion 20 has inner ring surface 21, outer surface 22 and inner surface 23, and inner ring surface 21 is towards power supply unit 10, outer surface22 and inner surface 23 be disposed opposite to each other and both from inner ring surface 21 towards away from power supply unit 10 direction extend, from the inner surface 23It is upper recessed for accommodating the light-source chamber 27 of light source module 50, so that light source module 50 is towards the direction emergent light for deviating from outer surface 22Line.First heat dissipation channel 31 is set on interconnecting piece 30, which passes through along the direction of outer surface 22 to inner surface 23It wears and sets, while increasing by 100 cooling surface area of shell, also accelerate the air stream from 23 outward surface of inner surface, 22 directionIt is dynamic, accelerate heat and sheds.Specifically, first heat dissipation channel 31 can axially penetrating through along shell 100, it is significant empty to obtainFlow of air effect.
Shell 100 can also include extension 40, and extension 40 prolongs from light source portion 20 towards the direction away from power supply unit 10It stretches.The second heat dissipation channel 41 is provided on the extension 40, second heat dissipation channel 41 is along outer surface 22 to the side of inner surface 23To through setting, while increasing by 100 cooling surface area of shell, also accelerate the air from 23 outward surface of inner surface, 22 directionFlowing accelerates heat and sheds.Specifically, second heat dissipation channel 41 can axially penetrating through along shell 100, it is significant to obtainAir flow effect.
Above-mentioned power supply unit 10 has the outside wall surface 11 towards inner ring surface 21, and interconnecting piece 30 connects the inner ring surface 21 and outer wallFace 11, to realize the connection in light source portion 20 and power supply unit 10.The inner surface 23 and outer surface 22 can be along the sagittal planes of shell 100Extend.
By the mating reaction of above-mentioned the first heat dissipation channel 31 and the second heat dissipation channel 41, shell 100 is in the course of workIn cracking heat can be conducted and to flowing to the external world, to protect the electronic component accommodated by shell 100.Wherein, firstThe quantity at least two of heat dissipation channel 31, and the array annular in shape centered on power supply unit 10.First heat dissipation channel, 31 company of occupyingWhen the more sagittal plane area of socket part 30, the intensity of interconnecting piece 30 can be lower, occupies the less sagittal plane area of interconnecting piece 30When, then the effect for improving heat dissipation is not significant, therefore, can according to the material of shell 100, on the basis of guaranteeing sufficient intensity,The sagittal plane area that first heat dissipation channel 31 occupies interconnecting piece 30 should be big as far as possible.Similarly, the number of the second heat dissipation channel 41Amount at least two, and the array annular in shape centered on power supply unit 10.Wherein, it is more to occupy extension 40 for the second heat dissipation channel 41Sagittal plane area when, the intensity of extension 40 can be lower, when occupying 40 less sagittal plane area of extension, then improves heat dissipationEffect is not significant, therefore, can be according to the material of shell 100, on the basis of guaranteeing sufficient intensity, the second heat dissipation channel 41The sagittal plane area for occupying extension 40 should be big as far as possible.
Cooling fin 25 can be set on the outer surface 22 of shell 100, cooling fin 25 is from outer surface 22 towards away from inner surface 23Direction extend, increase the cooling surface area of shell 100 with this, improve heat dissipation effect.Specifically, the quantity of cooling fin 25 is extremelyIt is two few, and be arranged on outer surface 22 in homogeneous radiation shape, so that the temperature in work on 100 outer surface 22 of shell everywhereIt can be relatively uniform.
It should be noted that cooling fin 25 is in homogeneous radiation shape, it can be radiated to extension 40.
Power source cavity 12 can be set on power supply unit 10, for accommodating power module 60, the opening of power source cavity 12 and light-source chamber 27Opening setting in the same direction, with convenient for assembly.Power supply unit 10 has with outer surface 22 towards identical top surface (not labeled), on the top surfaceThe cable-through hole of connection power source cavity 12 is set, for wire connecting power module 60, from outside transmission electric energy to power module 60.Certainly, as deformation, the opening of power source cavity 12 can not be setting in the same direction with the opening of light-source chamber 27.
The venthole 24 of connection outer surface 22 and light-source chamber 27 is also set up on shell 100, can be installed in the venthole 24Waterproof and breathable part 80.
Specifically, venthole 24 has the limiting section 241 and first set gradually from 27 outward surface of light-source chamber, 22 directionThrough-hole 242.Limiting section 241 is located in venthole 24, and the sagittal plane along venthole 24 is extended, and waterproof and breathable part 80 can be setIt sets in first through hole 242 and fitting limiting section 241, limiting section 241 can be used for positioning waterproof and breathable part 80, be limited toPosition in first through hole 242 avoids waterproof and breathable part 80 from being slipped in light-source chamber 27 from venthole 24.In order to guarantee venthole24 ventilation effect, needs to be arranged on limiting section 241 second through-hole 2411 of connection first through hole 242 and light-source chamber 27.
Certainly, limiting section 241 is extended along the sagittal plane of venthole 24 refers to that extending direction at least has on sagittal planeIt is important.
Specifically, limiting section 241 can from the inner surface 23 of venthole 24 along the extension that faces radially inwards of venthole 24, andSecond through-hole 2411 is located at the center of limiting section 241, i.e. the axis of first through hole 242 and the second through-hole 2411 can be conllinear.MakeFor deformation, the second through-hole 2411 be can not be positioned at the center of limiting section 241, but be biased in the one of limiting section 241Side.
Along the direction that light-source chamber 27 extends towards the external world, first through hole 242 may include interconnected first segment2421, second segment 2422 and third section 2423, wherein first segment 2421 is connected with limiting section 241, which can be withIt is set in first segment 2421, i.e. the bottom that first through hole 242 is set of waterproof and breathable part 80.
In conjunction with Fig. 1 and Fig. 3, shell 100 further includes the protrusion 26 being arranged on outer surface 22, second segment 2422 and thirdSection 2423 is respectively positioned on protrusion 26, and gas-permeable channels can be set on the protrusion 26 to realize second segment 2422 and the external worldConnection.
Specifically, protrusion 26 include surround second segment 2422 protrusion inner ring surface 261, with protrude inner ring surface 261 it is oppositeProtrusion outer ring surface 262, and away from the end face of closing chamber 263；Gas-permeable channels may include being prolonged from end face to closing cavity directionThe ventilating groove 264 stretched, the ventilating groove 264 extend to second segment 2422, are achieved in second segment 2422 and are connected to extraneous.AsA kind of deformation, gas-permeable channels can be extended to protrusion outer ring surface 262 by protrusion inner ring surface 261, i.e. gas-permeable channels can be settingAn air hole on protrusion 26.Gas-permeable channels can by protrusion inner ring surface 261 along protrusion 26 extend radially to it is convexOuter ring surface 262 out may not be and radially extend to protrusion outer ring surface 262.
Wherein, protrusion 26 along the axially extending of shell 100 and can protrude, and venthole 24 can also be along shell 100Axially extending setting, gas-permeable channels can also be along the axially extending of shell 100.
Relative to end face, the extending end of cooling fin 25 far from outer surface 22 so that the end face of protrusion 26 do not run off it is scatteredThe extending end of backing 25, so that protrusion 26 will not increase the installation dimension of lighting device 200.In order to improve knotStructure intensity, the protrusion 26 can connect cooling fin 25.
Embodiment 2
As shown in Fig. 2,4, Fig. 5 and Fig. 6, the utility model yet another exemplary embodiment provides a kind of lighting device 200,Including the shell 100 and light source module 50 and power module 60 in above-described embodiment 1.Wherein, light source module 50 is installed on lightIn source portion 20, power module 60 is installed on power supply unit 10, the sagittal plane of light source module 50 and power module 60 in shell 100On projection be separated from each other, i.e. light source module 50 and power module 60 does not overlap in the axial direction of shell 100, the two generate heatAmount can respectively the light source portion 20 through shell 100 and power supply unit 10 shed.
Specifically, light-source chamber 27 is arranged on the inner surface 23 in light source portion 20, light source module 50 is installed in light-source chamber 27.According toBright device 200 further includes light distribution element 71, and light distribution element 71 docks the inner surface 23 and enclosed light source chamber 27 forms closing chamber,So that light source module 50 is located in closing chamber.The light distribution element 71 in a ring, and is pressed from both sides between light distribution element 71 and light source portion 20Equipped with the first sealing ring 73 and the second sealing ring 74, to improve the dustproof and waterproof grade of closing chamber.Light source module 50 has oppositeThe light-emitting surface and shady face of setting, for the light-emitting surface towards light distribution element 71, shady face is then bonded shell 100, so that light source module50 heat with more efficient can be transmitted on shell 100.It certainly, can also be with thermally conductive Jie of sandwiched between shady face and shell 100Matter.
Light source module 50 in a ring, can by several segments arc light source board circumferentially array and be spliced to form.
Power source cavity 12 is set on power supply unit 10, and power source cavity 12 and the opening of light-source chamber 27 can be arranged in the same direction, and power supply mouldBlock 60 is installed in power source cavity 12.
Lighting device 200 further includes power supply lid 72, and power supply lid 72 closes power source cavity 12, power module 60 is closed inIn power source cavity 12.Third sealing ring 75 is folded between power supply lid 72 and power supply unit 10, to improve the dustproof and waterproof of power source cavity 12Grade.Power module 60 can be bonded shell 100, so that the heat of power module 60 can with more efficient be transmitted to shell 100On.
As shown in fig. 7, it is logical both to avoid the first heat dissipation when above-mentioned light distribution element 71 and power supply lid 72 connect shell 100Road 31 and the second heat dissipation channel 41 still have the first heat dissipation channel 31 and the second heat dissipation channel 41 that is, in lighting device 200, theOne heat dissipation channel 31 and the second heat dissipation channel 41 can form stack effect, being capable of the cracking heat biography by lighting device 200It leads and to flowing to the external world, to reduce the power source cavity 12 of lighting device 200 and the temperature of light-source chamber 27, improves product reliability.
Lighting device 200 can also have the suspension hook 76 of connection shell 100, and lighting device 200 is installed to wall to facilitateOn wall.Specifically, suspension hook 76 can be installed on the top surface of power supply unit 10 with screw thread.
In conjunction with Fig. 8, the venthole 24 in 200 external world of connection closing chamber and lighting device, light source module are provided on shell 10050 include light source board, and light source board is bonded shell 100 and has the avoid holes of connection venthole 24 and closing chamber.
Lighting device 200 further includes waterproof and breathable part 80, which is arranged in venthole 24 and partition is logicalStomata 24, it is different to reduce the pressure difference inside and outside lighting device 200 and steam or dust can be prevented etc. by waterproof and breathable part 80It is intracavitary that object enters shell 100.The waterproof and breathable part 80 of the utility model embodiment is arranged in venthole 24, substantially effectively sharpWaterproof and breathable part 80 is installed with the space of 200 existing structure of lighting device, so avoid occupying the more space outside shell 100 andCavity space.
Since waterproof and breathable part 80 has the function of waterproof and breathes freely, after separating venthole 24, water or different can be blockedObject enters closing chamber by venthole 24, but not hinders the ventilation effect of venthole 24.Specifically, waterproof and breathable part 80 can be withIt is filled in venthole 24.
The limiting section 241 and first through hole 242 that there is venthole 24 self-styled 22 direction of closed chamber outward surface to set gradually.LimitPosition portion 241 is located in venthole 24, and the sagittal plane along venthole 24 is extended, and waterproof and breathable part 80 is arranged in first through holeIn 242 and fitting limiting section 241, limiting section 241 can be used for positioning waterproof and breathable part 80, be limited to first through hole 242In position, avoid waterproof and breathable part 80 from being slipped in closing chamber from venthole 24.In order to guarantee the ventilation effect of venthole 24,Need to be arranged the second through-hole 2411 of connection first through hole 242 and closing chamber on limiting section 241.
Certainly, limiting section 241 is extended along the sagittal plane of venthole 24 refers to that extending direction at least has on sagittal planeIt is important.
Specifically, limiting section 241 can from the inner surface 23 of venthole 24 along the extension that faces radially inwards of venthole 24, andSecond through-hole 2411 is located at the center of limiting section 241, i.e. the axis of first through hole 242 and the second through-hole 2411 can be conllinear.MakeFor deformation, the second through-hole 2411 be can not be positioned at the center of limiting section 241, but be biased in the one of limiting section 241Side.
Along closing chamber towards along the extraneous direction extended, first through hole 242 may include interconnected first segment 2421,Second segment 2422 and third section 2423, wherein first segment 2421 is connected with limiting section 241, which is set to firstIn section 2421, i.e. the bottom that first through hole 242 is set of waterproof and breathable part 80.
Lighting device 200 further includes guard member 90, and guard member 90 is arranged in third section 2423.Opposite waterproof and breathable part80, guard member 90 prevents foreign matter or overboard direct impact waterproof and breathable part for protecting waterproof and breathable part 80 far from closing chamber80, dirt accumulation is also prevented from venthole 24, to improve the reliability of waterproof and breathable part 80.Second segment 2422 is arranged firstBetween section 2421 and third section 2423, and there is connection second segment 2422 and extraneous gas-permeable channels (ventilating groove) on shell 100,So that the waterproof and breathable part 80 of third section 2423, which is arranged in, to carry out air exchange with the external world, lighting device 200 is realizedExternal and internal pressure adjust.
Guard member 90 can be screw, and screw has threaded portion 91, and threaded portion 91 connects above-mentioned third section 2423.Certainly,Axial direction in third section 2423 along first through hole 242 needs spiral that internal screw thread is arranged, can be threadedly coupled above-mentioned threaded portion 91.
Screw can also include the head 92 of connecting thread portion 91, and the radial dimension on head 92 is greater than first through hole 242Aperture, so that head 92 can not be protruded into first through hole 242.
Waterproof and breathable part 80 includes waterproof ventilated membrane 81 and flexible plugs 82.Flexible plugs 82 are matched with 242 interference of first through holeIt closes, including the first face 821 and the second face 822 being disposed opposite to each other, and the tracheae 823 in connection the first face 821 and the second face 822.First face 821 is at least partly towards limiting section 241, and towards the external world, tracheae 823 is connected to extraneous and the second venthole in the second face 82224, waterproof ventilated membrane 81 covers tracheae 823 and is fitted on the first face 821 or the second face 822.Certainly, waterproof ventilated membrane 81It can be fitted on the first face 821 and the second face 822.Guard member 90 in first segment 2421 is set on the second face 822Projection tracheae 823 is completely covered, directly bear foreign or overboard to avoid the waterproof ventilated membrane 81 for covering tracheae 823Impact.Wherein, flexible plugs 82 can be rubber stopper.
A large amount of heat can be generated since light source module 50 being arranged in the light-source chamber 27 of lighting device 200, so that illumination dressThe closing chamber and the external world for setting 200 have biggish pressure difference, the venthole of setting connection closing chamber and the external world on shell 10024, and waterproof and breathable part 80 is set in venthole 24, closing chamber and extraneous pressure difference can be significantly reduced.
Lighting device 200 provided by the embodiment of the utility model, waterproof and breathable part 80 and 100 integrated design of shell, makeObtaining waterproof and breathable part 80 can be arranged in the venthole 24 of shell 100.It is saturating by waterproof is covered with when waterproof and breathable part 80 is installedThe flexible plugs 82 of air film 81 fill in 242 bottom of first through hole from the external world, i.e., in the first segment 2421 of first through hole 242, then will protectGuard 90 is connected in the third section 2423 of first through hole 242, it can realizes the mesh for reducing by 200 internal and external pressure difference of lighting device's.
Lighting device 200 provided by the embodiment of the utility model can be ceiling fitting, specifically, for industrial waterproof ceilingLamp.
Above specific example has carried out further in detail the purpose of this utility model, technical scheme and beneficial effectsIllustrate, it should be understood that it is practical new to be not limited to this foregoing is merely specific embodiment of the utility modelType, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should be included in thisWithin the protection scope of utility model.