CN102997138B - Light emitting diode (LED) spot lamp - Google Patents
Light emitting diode (LED) spot lamp Download PDFInfo
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- CN102997138B CN102997138B CN201310004315.9A CN201310004315A CN102997138B CN 102997138 B CN102997138 B CN 102997138B CN 201310004315 A CN201310004315 A CN 201310004315A CN 102997138 B CN102997138 B CN 102997138B
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Abstract
The invention discloses a light emitting diode (LED) spot lamp which comprises a lamp holder, a radiating lamp cup, an LED light emitting module and an optical lens module which are connected with one another in a matching mode. The center of the radiating lamp cup is a cavity, the radiating lamp cup forms an outer surface of a casing of the radiating lamp cup and an outer surface of the cavity, the slope of the outer surface of the casing of the radiating lamp cup is smaller than that of the outer surface of the cavity, and a base plate which separates the cavity into an upper cavity and a lower cavity from bottom to top is arranged in the cavity; a ring-shaped band gap between the outer surface of the cavity and the casing is spaced into a plurality of rotation through ways which upwards penetrate through the outer surface of the casing of the radiating lamp cup from the lower end of the radiating lamp cup; the LED light emitting module is installed on the bottom surface of the base plate located in the lower cavity, and the optical lens module is covered on the LED light emitting module; and the lamp holder is arranged at the upper end of the radiating lamp cup. The LED spot lamp has the advantages of being good in radiating effects, low in costs and easy to assemble and disassemble.
Description
Technical field
The present invention relates to field of LED illumination, be specifically related to a kind of LED spotlight.
Background technology
LED light source is acknowledged as 21 century lighting source most with prospects, the advantages such as its environmental protection, the life-span is long, energy-conservation, reliability is high, light efficiency is good, volume is little, make the relatively traditional incandescent lamp of LED light source, fluorescent lamp, electricity-saving lamp etc. have larger application prospect.
Along with the development of LED technology, the specular removal of LED, super brightness, the innovation of panchromaticization development, it is more and more higher to the technical requirement of Design of Luminaires, application.How to improve lamp structure, prolonging service lives of lamps, raising energy-saving horizontal, solve heat dissipation problem, optimizing optical designs, saves production cost, and is the field that industry emphasis research and development always break through.Particularly LED illumination technology relative maturity now, LED illumination enters the stage of applying, how to improve lamp structure, prolonging service lives of lamps, how to make it to be more conducive to marketing application, LED lamp is made to apply each corner entered society, replace conventional light source, the main flow direction of industry research and development especially.
Existing LED spotlight, is mainly used in indoor environment, as ceiling etc.Although the life-span of LED chip is higher, the life-span due to light fixture is not only decided by life-span of LED chip, and the design of its fitting structure, and the life-span etc. of power supply, all can have influence on the life-span of light fixture entirety.
In the design of fitting structure, radiator structure is the emphasis studied in the industry always.The radiating effect of light fixture is poor, then not only can affect light decay, also can affect lamp life, and namely serious even can cause light fixture " dead lamp " in a short time.Traditional radiating mode is mostly heat conduction by being produced by LED on radiator, reaches radiating effect by radiator with the heat exchange that naturally contacts of air.But this radiating mode radiating efficiency is lower, for lower-powered light fixture light fixture still can, once for the larger light fixture of power, its radiating effect just seems that grabbing the flap sees elbow.Someone was for reaching good radiating effect afterwards, was increased by the volume of radiator, although serve certain effect, this mode improves cost, and increases the volume of space hold, was not obviously optimal scheme.
In actual illumination application, it is that (MR16 is the specification of a kind of light fixture in illuminating industry for the MR16 shot-light of light source with halogen tungsten lamp that LED spotlight is used to replace, for common practise), because halogen tungsten lamp light efficiency is low, generally only has 12lm/W, energy consumption is high, is to belong to traditional high energy consumption lighting source that will be replaced by LED in the first batch.But although the light efficiency of LED spotlight can up to 65-80lm/W, the halogen tungsten lamp MR16 shot-light of the 50W that complete Replacing is maximum, the power of LED spotlight also will up to 8-10W.But in fact because the finite volume of MR16 shot-light, LED MR16 shot-light cannot accomplish the power of more than 5W, otherwise because integral heat sink ability causes lamp housing temperature too high not, finally cause the even dead lamp of the serious light decay of LED.Certainly, if skin temperature is also dangerous more than 90 DEG C, can't pass security regulations.How under limited volume, strengthening the radiating efficiency of lamp outer casing, make the power energy security improvement of LED MR16 shot-light to 8-10W, replace 50W halogen tungsten lamp shot-light comprehensively, is illuminating industry one urgent task greatly.
Chinese patent ZL 201020530297.X, disclose a kind of structure of LED spotlight, comprise Lamp cup, lens, the contact surface of its Lamp cup and lens is provided with air-vent, Lamp cup outer surface is provided with the air-vent being communicated with Lamp cup inner surface, and Lamp cup forms with Lamp cup outer surface air-vent the air flue be communicated with the air-vent of lens contact surface.A kind of LED spotlight with air-vent of this Patent design, but the design of its air-vent is comparatively simple, and radiating effect is also not ideal enough.
Summary of the invention
The object of the present invention is to provide a kind of LED spotlight, there is good heat dissipation effect, cost low and be beneficial to the feature of dismounting.
For realizing the technical scheme that object of the present invention adopts: a kind of LED spotlight, comprise lamp holder, heat radiation lamp cup, LED light module and lens module that coupling connects, described heat radiation lamp cup center is cavity, heat radiation lamp cup is formed as the outer surface of heat radiation lamp cup outer surface of outer cover and cavity, wherein the gradient of heat radiation lamp cup outer surface of outer cover is less than the gradient of chamber outer surface, and inside cavity is provided with substrate cavity being divided into from the bottom to top cavity of resorption and epicoele; Described LED light module is arranged on substrate and is positioned on the bottom surface of cavity of resorption, and described lens module is covered in LED light module; Described lamp holder is installed on heat radiation lamp cup upper end; Annular band gap between the outer surface of cavity and shell, is spaced apart some rotational paths being upward through heat radiation lamp cup outer surface of outer cover by heat radiation lamp cup bottom end; Be provided with the helical form reinforcement of some connection chamber external surfaces and shell in described annular band gap, annular band gap is described rotational path by this helical form reinforcement gap-forming.
LED spotlight of the present invention, lamp holder, heat radiation lamp cup, removably connects between LED light module and lens module mutually, facilitates and changes and maintenance; And heat radiation lamp cup is arranged to the inner and outer shell of rotational path, the heat that LED light module produces is transmitted to inner housing, reinforcement, shell body successively by substrate, when heat carries out heat exchange on the perisporium of rotational path, the hot-air risen rises along spiral space, finally forms spiral air flow in rotational path exit.The mode of this heat exchange has saved the volume of cost, radiator, and its radiating efficiency is higher.
The surface area of the surface area ratio of rotational path straight up and down passage is large, and the design of rotational path increases the surface area of heat radiation lamp cup, thus also has better radiating effect.The design of this preferred version is by utilizing the Connection Element between inner and outer shell, and namely reinforcement is ingenious defines rotational path.
In addition, the gradient of heat radiation lamp cup outer surface of outer cover is less than the gradient of chamber outer surface, such that Lamp cup is overall, annular band gap entirety presents little lower main trend, and rotational path is also up-small and down-big, forms the structure of similar chimney; By utilizing stack effect, and the space constraint of rotational path, the air that heat can be made to increase forms spiral air flow fast.
Preferably, the angle of the tangent line of described rotational path and the axis of rotational path is 15 degree ~ 45 degree.
The degree of rotation of rotational path, is related to the quality of radiating effect; Rotate excessively, then hinder the motion of ascending air, rotate not, then do not have the effect accelerating ascending air; Inventor, through facts have proved and theoretical research, devises this preferred version.
Preferably, the air inlet of described rotational path is located at the bottom end of heat radiation lamp cup, and the air outlet of rotational path is located at the outer surface of shell; The lowest part at its air outlet edge is lower than the position of heat radiation lamp cup 1/2nd, and the highest point at its air outlet edge is higher than the position of heat radiation lamp cup 2/3rds.
Arranging of rotating channel is exquisite smooth and easy, by the position of air inlet is arranged, and the open design of air outlet uniqueness, accomplish the resistance as far as possible reducing ascending air.
Preferably, the length of described reinforcement annularly band gap circumference is greater than the radial width of annular band gap; The quantity of described rotating channel is 4 to 8.
The circumferential lengths of reinforcement is lengthened as far as possible, is conducive to heat conduction to shell body, to reduce thermal resistance; But can not be long, otherwise affect setting and the quantity of passage.The quantity of passage is also not the more the better, the random air-flow of too many easily formation, but very little, can not can not form spiral wind at least.Inventor, through facts have proved and theoretical research, devises this preferred version.
Preferably, comprise some thermal columns, be located in epicoele, thermal column one end is connected with substrate; Part thermal column is connected with the inwall of epicoele.
In epicoele, thermal column is set, strengthens radiating effect.Thermal column is connected with the inwall of epicoele, makes the heat of LED light module be more conducive to conduct to heat radiation lamp cup.Substantially increase radiating effect, thus be the more high-power LED light module of design, provide support.
Preferably, described reinforcement, substrate and thermal column are formed in one in the structure of heat radiation lamp cup.
By integrated mode, make the heat-conducting effect of LED light module and heat radiation lamp cup, better heat-radiation effect.
Preferably, the internal perisporium of described rotational path is smooth face.
Because the light fixture volume of LED spotlight is little, annular band gap between its heat radiation lamp cup inner and outer shell is less, in this case the internal perisporium of rotational path is set to smooth wall, the resistance of ascending air can be reduced, the hot-air rate of climb in rotational path is faster, the spiral air flow formed is stronger, thus better heat-radiation effect.
Preferably, described substrate is provided with some screw holes, and described lamp holder is provided with some screw hole posts, and described screw hole post inserts in epicoele to mate with screw hole and is connected; Described LED light module is provided with some locating holes, and described lens module is provided with some locating dowels, and described locating dowel is mated with locating hole and is connected.
This preferred version devises a kind of scheme that lamp holder is connected by screw with heat radiation lamp cup, achieves object for convenience detach.Have also been devised a kind of scheme that LED light module is connected with lens module, achieve object for convenience detach.
Preferably, described lower cavity wall is provided with the platform for support lens module, and this platform is ladder-like arranged from substrate to the direction of cavity of resorption bottom; Comprise the retainer ring for fixed lens module, described retainer ring is fixed on inner chamber bottom; Also comprise the power module connecting lamp holder and LED light module, described power module is located in epicoele.
Lens module periphery is close on platform, not only can fixed lens module preferably, also help assembling.
By the mode that retainer ring is fixing, LED of the present invention is set and has more modularization, more convenient dismounting, and the compatible design of each module of each light fixture.Described power module is used for the direct current converted to by civil power described in LED light module, and the voltage range be applicable to.
Preferably, described reinforcement lower end flushes with cavity of resorption bottom, and the lower end of part reinforcement is provided with installation position; Described retainer ring neighboring is provided with some outwardly screw ears, and screw ear is provided with and mates with installation position the installing hole be connected; The side of described lens module LED module is dorsad plane, and the periphery of this plane is provided with scrobicular ring; This plane flushes with the lower end of shell body, and described scrobicular ring flushes with cavity of resorption bottom; The described retainer ring dorsad one side of inner chamber bottom flushes with the lower end of shell body.
This preferred version devises a kind ofly makes LED light module, lens module is fixed on scheme on heat radiation lamp cup, achieves object that is for convenience detach, that fit tightly.By the setting of this preferred version, the exiting surface of LED spotlight of the present invention is approximately the structure of plane, because advantageously in installing and using.
Preferably, the hatch frame that described cavity of resorption is straight-tube shape or opens wide to direction, inner housing lower end, described hatch frame includes the structure being beneficial to the horn-like of optically focused or arc surfaced.
LED spotlight of the present invention, time on the heat conduction produced when LED light module being worked to the inner and outer shell of heat radiation lamp cup, the surface of inner and outer shell and air carry out heat exchange, and by air heat lower for temperature, air is heated rear rising.In annular band gap, hot-air is in the process risen, upwards for the helical movement along rotational path, finally forms whirlwind at the upper end outlet place of heat radiation lamp cup.Whirlwind drives ambient air, makes the heat exchanger effectiveness of heat radiation lamp cup and air higher.
Some international major companies, as Philip, three magnitudes have employed the technology of forced convertion.But forced convertion adopts fan, and can produce noise, market cannot accept.The present invention adopts the mode strengthening free convection to improve the radiating efficiency of lamp outer casing exponentially, make LED MR16 shot-light can under the general power of 10W, temperature rise lower than 50 DEG C, namely during the work of this shot-light, even if under the environment of 40 DEG C, skin temperature can not more than 90 DEG C.So, the invention solves a great problem of field of LED illumination.
Accompanying drawing explanation
Fig. 1 is the dismounting figure of embodiment of the present invention LED spotlight
Fig. 2 is the side view of embodiment of the present invention LED spotlight
Fig. 3 is the bottom view of embodiment of the present invention LED spotlight
Fig. 4 is the top view of embodiment of the present invention LED spotlight
Fig. 5 is the A-A cross section view of Fig. 4
Fig. 6 is the structural representation of the lens module of embodiment of the present invention LED spotlight
Fig. 7 is the schematic perspective view of the heat radiation lamp cup of embodiment of the present invention LED spotlight
Fig. 8 is the side view of the heat radiation lamp cup of embodiment of the present invention LED spotlight
Fig. 9 is the bottom view of the heat radiation lamp cup of embodiment of the present invention LED spotlight
Figure 10 is the bottom view of the heat radiation lamp cup of embodiment of the present invention LED spotlight
Figure 11 is the top view of the heat radiation lamp cup of embodiment of the present invention LED spotlight
Figure 12 is the B-B cross section view of Figure 10
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described further:
As shown in Figures 1 to 12, a kind of LED spotlight, comprises lamp holder 1, power module, heat radiation lamp cup 2, LED light module 3, lens module 4 and retainer ring 5 that coupling connects.
Described lamp holder 1 is for engaging with the lamp socket being connected to the power supply such as civil power, low tension, and it is provided with electrode for the one end connecting lamp socket and draws pin 11, and the side connecting heat radiation lamp cup 2 is provided with screw hole post 12, described lamp holder is also provided with some air-vents 13.
Described heat radiation lamp cup 2 comprises shell body 21 and inner housing 22, described shell body 21 is ring-type, cylindrical shape or cone shape housing, it is sheathed on inner housing 22 periphery, has the annular band gap 26 for heat exchange of ventilating between inner and outer shell, is connected between inner and outer shell by some reinforcements 212.Described shell body 21 lower end is provided with the flange 211 of the brim of a hat shape.
The inner housing 22 of described heat radiation lamp cup 2 is for having the structure of the similar cylindrical shape of inner chamber, the inner chamber of inner housing 22 is provided with integrated substrate 23, the inner chamber of inner housing is divided into cavity of resorption 221 and epicoele 222 by substrate 23, substrate 23 is provided with the through wires hole 24 that supply lines passes and the screw hole 25 mating connection for confession screw hole post 12, lamp holder screw hole post 12 can be fixed on screw hole 25 place by screw, thus lamp holder 1 is fixedly connected with heat radiation lamp cup 2.
The upper end of heat radiation lamp cup 2 is located at by described lamp holder 1, and the screw hole post 12 of described lamp holder 1 inserts the epicoele 222 of heat radiation lamp cup 2, is connected with the screw hole 25 be located on substrate 23.
Described power module is located in the epicoele 222 of heat radiation lamp cup 2, power module needed for LED light module 3, for converting civil power to satisfactory direct current, to supply LED light module 3.Power module is vertically arranged in epicoele 222, and the heat produced during power module work is by after heated with ambient air, and hot-air rises, by being located at the air-vent 13 of lamp holder, with the air heat exchange that the external world is colder.
Described LED light module 3 comprises some LED light-emitting components 32, and LED light module 3 is provided with locating hole 31.Described lens module 4 is provided with locating dowel 41, and lens module 4 and LED light module 3 are connected by locating hole 31 and locating dowel 41 locates.LED light module 3 is located in cavity of resorption 221, and is close on substrate 23, and the heat produced when LED light module 3 works passes to substrate 23, then is conducted to inner housing 22 by substrate 23, then is conducted to shell body 21 by reinforcement 212.For reaching better heat-conducting effect, directly can fit tightly between LED light module 3 and substrate 23, heat conduction rubber cushion, silica gel, silicagel pad etc. can also be added between LED light module 3 and substrate 23.
The cavity of resorption 222 of described heat radiation lamp cup 2 is straight-tube shape or the end Way out structure being conducive to horn-like, the arc surfaced of optically focused of opening wide downwards, lower cavity wall is provided with the platform 27 for support lens module 4, and the direction that this platform 27 brings out mouth downwards from substrate 23 is ladder-like arranged.
When described LED light module 3 is close on substrate 23, lens module 4 periphery is close on platform 27 just.The diameter of lens module 4 equals the diameter of platform 27, and lens module 4 is fallen on platform 27 just.The height that lens module 4 is close to platform 27 part equals the degree of depth at platform 27 to inner housing 22 lower end 29 place, and the edge 42 of lens module 4 height is flushed with inner housing lower end 29.
For reaching better light distribution effect, described lens module 4 is provided with integrated lens unit 43 array, a LED luminescence unit 32 in the corresponding LED light module 3 of each lens unit 43, described lens unit 43 array is located at the side of corresponding LED light module 3 on lens module 4, and the opposite side of lens unit 43 is smooth plane or the textured plane of tool.Periphery 42 (that is, the edge of lens module, the scrobicular ring 42) depression of this plane, when lens module 4 is close on platform 27, the height of plane flushes with the lower end of shell body 21, and the scrobicular ring 42 of plane flushes with inner housing 22 lower end 29.
Described reinforcement 212 lower end flushes with inner housing lower end 29, and the lower end of part reinforcement 212 is provided with installation position 28.Described retainer ring 5 neighboring is provided with some outwardly screw ears 51, screw ear 51 is provided with the installing hole mated with above-mentioned installation position 28, by the connection of installing hole and installation position 28, retainer ring 5 is fixed on heat radiation lamp cup 2, thus fixed lens module 4 and LED light module 3.
Because the annular band gap between inner and outer shell is less, and installation position 28 is usually comparatively large, so the end portion being provided with the reinforcement 212 of installation position 28 to be embedded the lower end of shell body 21, and the shape of the corresponding screw ear 51 of shape of its embedded part; When retainer ring 5 is fixed with inner housing 22 lower end 29, its screw ear 51 is just corresponding to the embedded part of the reinforcement 212 and shell body 21 lower end that are provided with installation position 28.Design like this, takes full advantage of light fixture space, saves light fixture volume.
The outer circumference diameter of retainer ring 5 equals the outer circumference diameter of inner housing lower end 29, and inner circumferential diameter equals the outer circumference diameter of the plane of said lens module 4, and described plane does not comprise the marginal portion (that is, scrobicular ring 42) of its depression; When retainer ring 5 is fixed on heat radiation lamp cup 2, retainer ring 5 is pressed on the edge 42 of lens module 4 and the lower end 29 of inner housing, thus lens module 4 is close on platform 27.Meanwhile, when retainer ring 5 is fixed on heat radiation lamp cup 2, its lower surface flushes with the lower end of shell body 21.
Described reinforcement 212 is one-body molded with inner and outer shell 21, and time on the heat conduction produced when LED light module 3 works to inner and outer shell, the surface of inner and outer shell and air carry out heat exchange, and by air heat lower for temperature, air is heated rear rising.Between the annular band gap of inner and outer shell, reinforcement 212 is arranged to the structure of spiral from bottom to up, annular band gap between reinforcement is divided into the space of some spirals accordingly, i.e. rotational path, hot-air is in the process risen, upwards for the helical movement along rotational path, finally form whirlwind at the upper end outlet place of heat radiation lamp cup.Whirlwind drives ambient air, makes the heat exchanger effectiveness of heat radiation lamp cup and air higher.
The angle of the tangent line of described rotational path and the axis of rotational path is set to 15 degree
~between 45 degree, more excellent is 20 degree
~between 30 degree.Usually, the anglec of rotation of rotational path is larger, and the cooling surface area of heat radiation lamp cup is larger; But meanwhile, rotational path swing is larger, owing to blocking the space that spiral wind rises, the effect of its class cyclone formed is poorer.This programme, through practice, devises optimum scheme.As shown in Figure 8, be the schematic diagram of the tangent line of rotational path and the angle α of rotational path axis.
Be more conducive to for making the air of rising converge form class cyclone effect, rotational path is set to the structure closed up gradually from bottom to up.Can be specifically: be suitable for readingly less than end opening that residing annular Zhou Jing suitable for reading is less than the annular Zhou Jing (Zhou Jing of the bottom end of annular band gap) residing for end opening, and namely rotational path draws in axis from bottom to up gradually.
The end opening of described rotational path, namely air inlet is located at the lower end of heat radiation lamp cup, rotational path suitable for reading, and namely air outlet is located at the outer surface of shell, and the lowest part at its air outlet edge is lower than the position of heat radiation lamp cup 1/2nd; As shown in Figure 8, straight line CC is 1/2nd altitude lines of heat radiation lamp cup, and namely h2 equals 1/2nd height of heat radiation lamp cup; H1 is the lowest part at air outlet edge of rotational path and the height of the bottom of heat radiation lamp cup, and the best size equaling 1/4th, h1 of heat radiation lamp cup height is 1/4 to 1/3 of heat radiation lamp cup height.
The highest point at the edge suitable for reading of rotational path is higher than the position of heat radiation lamp cup 2/3rds, and preferred scope is the top of five/tetra-to heat radiation lamp cup.As shown in Figure 8, optimum height is flush with the top of heat radiation lamp cup.
It is as follows that another kind of embodiment also announced by this description: the lowest part at rotational path edge suitable for reading is positioned at 1/3rd At The Heights of heat radiation lamp cup, and highest point is positioned at 2/3rds At The Heights; So, the highest point suitable for reading of rotational path and the difference in height of lowest part are the heat radiation lamp cup height of 1/3rd, are just positioned at the centre position of outer surface of outer cover.Practical and attractive, be conducive to manufacture shaping.
Rotational path air outlet opens wide by this programme as far as possible, amplification, is more conducive to ventilation and heat, if air outlet is less, can affect the speed that hot-air rises.
As shown in Figure 10, the length L of described reinforcement annularly band gap circumference is greater than the radial width d of annular band gap.What why arranged by the circumferential lengths L of reinforcement is comparatively large, is conducive to heat conduction to shell body, to reduce thermal resistance.
In the present embodiment, the quantity of rotating channel is 6, and in other embodiments, the preferred amount of rotating channel is 4 to 8.The quantity of passage is not the more the better, the random air-flow of too many easily formation, but very little, can not can not form spiral wind at least.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.
Claims (9)
1. a LED spotlight, comprises lamp holder, heat radiation lamp cup, LED light module and lens module that coupling connects, it is characterized in that:
Described heat radiation lamp cup center is cavity, heat radiation lamp cup is formed as the outer surface of heat radiation lamp cup outer surface of outer cover and cavity, wherein the gradient of heat radiation lamp cup outer surface of outer cover is less than the gradient of chamber outer surface, and inside cavity is provided with substrate cavity being divided into from the bottom to top cavity of resorption and epicoele;
Described LED light module is arranged on substrate and is positioned on the bottom surface of cavity of resorption, and described lens module is covered in LED light module; Described lamp holder is installed on heat radiation lamp cup upper end;
Annular band gap between the outer surface of cavity and shell, is spaced apart some rotational paths being upward through heat radiation lamp cup outer surface of outer cover by heat radiation lamp cup bottom end; Be provided with the helical form reinforcement of some connection chamber external surfaces and shell in described annular band gap, annular band gap is described rotational path by this helical form reinforcement gap-forming;
Rotational path is set to the structure closed up gradually from bottom to up;
The angle of the tangent line of described rotational path and the axis of rotational path is 15 degree ~ 45 degree.
2. according to LED spotlight according to claim 1, it is characterized in that: the air inlet of described rotational path is located at the bottom end of heat radiation lamp cup, the air outlet of rotational path is located at the outer surface of shell; The lowest part at its air outlet edge is lower than the position of heat radiation lamp cup 1/2nd, and the highest point at its air outlet edge is higher than the position of heat radiation lamp cup 2/3rds.
3. according to LED spotlight according to claim 1, it is characterized in that: the length of described reinforcement annularly band gap circumference is greater than the radial width of annular band gap; The quantity of described rotating channel is 4 to 8.
4. according to LED spotlight according to claim 1, it is characterized in that: comprise some thermal columns, be located in epicoele, thermal column one end is connected with substrate; Part thermal column is connected with the inwall of epicoele.
5. according to the LED spotlight described in claim 1 or 4, it is characterized in that: described reinforcement, substrate and thermal column are formed in one in the structure of heat radiation lamp cup.
6. according to LED spotlight according to claim 1, it is characterized in that: the internal perisporium of described rotational path is smooth face.
7. according to LED spotlight according to claim 1, it is characterized in that: described substrate is provided with some screw holes, described lamp holder is provided with some screw hole posts, and described screw hole post inserts in epicoele to mate with screw hole and is connected; Described LED light module is provided with some locating holes, and described lens module is provided with some locating dowels, and described locating dowel is mated with locating hole and is connected.
8. according to LED spotlight according to claim 1, it is characterized in that: described lower cavity wall is provided with the platform for support lens module, this platform is ladder-like arranged from substrate to the direction of cavity of resorption bottom; Comprise the retainer ring for fixed lens module, described retainer ring is fixed on inner chamber bottom; Also comprise the power module connecting lamp holder and LED light module, described power module is located in epicoele.
9. according to LED spotlight according to claim 8, it is characterized in that: described reinforcement lower end flushes with cavity of resorption bottom, and the lower end of part reinforcement is provided with installation position; Described retainer ring neighboring is provided with some outwardly screw ears, and screw ear is provided with and mates with installation position the installing hole be connected; The side of described lens module LED module is dorsad plane, and the periphery of this plane is provided with scrobicular ring; This plane flushes with the lower end of shell body, and described scrobicular ring flushes with cavity of resorption bottom; The described retainer ring dorsad one side of inner chamber bottom flushes with the lower end of shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004315.9A CN102997138B (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spot lamp |
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| CN2012103928183 | 2012-10-16 | ||
| CN201210392818.3 | 2012-10-16 | ||
| CN201210392818 | 2012-10-16 | ||
| CN201310004315.9A CN102997138B (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spot lamp |
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| CN102997138A CN102997138A (en) | 2013-03-27 |
| CN102997138B true CN102997138B (en) | 2015-06-03 |
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| CN106287259A (en) * | 2016-09-27 | 2017-01-04 | 宁波宜胜照明有限公司 | A kind of novel surfaces externally and internally heat-dissipating LED lamp altogether |
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| CN201916746U (en) * | 2010-12-21 | 2011-08-03 | 王平 | LED spot lamp |
| CN201992502U (en) * | 2011-03-25 | 2011-09-28 | 东莞健达照明有限公司 | LED reflector lamp |
| CN202253137U (en) * | 2011-08-10 | 2012-05-30 | 福建新文行灯饰有限公司 | Plug-in light-emitting diode (LED) cup lamp |
| CN203131580U (en) * | 2012-10-16 | 2013-08-14 | 广东国晟投资有限公司 | Light emitting diode (LED) spotlight |
-
2013
- 2013-01-06 CN CN201310004315.9A patent/CN102997138B/en not_active Expired - Fee Related
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| CN102997138A (en) | 2013-03-27 |
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Address after: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510000, China Applicant after: Guangdong Ecorising Optoelectronic Technology Co., Ltd. Address before: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510000, China Applicant before: Guangdong Rising Investment Co., Ltd. |
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