CN102997138A - Light emitting diode (LED) spot lamp - Google Patents
Light emitting diode (LED) spot lamp Download PDFInfo
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- CN102997138A CN102997138A CN2013100043159A CN201310004315A CN102997138A CN 102997138 A CN102997138 A CN 102997138A CN 2013100043159 A CN2013100043159 A CN 2013100043159A CN 201310004315 A CN201310004315 A CN 201310004315A CN 102997138 A CN102997138 A CN 102997138A
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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 the LED lighting field, be specifically related to a kind of LED shot-light.
Background technology
Led light source is acknowledged as the lighting source of tool development prospect of 21 century, 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 high light efficiency of LED, super brightness, the innovation of panchromaticization development, its specification requirement to Design of Luminaires, application is more and more higher.How improving lamp structure, prolonging service lives of lamps, raising energy-saving horizontal, solve heat dissipation problem, optimizing optical and design, save production cost etc., is the field of always emphasis research and development of industry breakthrough.Particularly the LED lighting engineering is relatively ripe now, the LED illumination enters the stage of applying, how to improve lamp structure, prolonging service lives of lamps, how making it to be more conducive to marketing uses, each corner that the LED lamp applications is entered society, replace conventional light source, especially the main flow direction of industry research and development.
Existing LED shot-light is mainly used in indoor environment, such as ceiling etc.Although the life-span of led chip is higher, because life-span of light fixture not only is decided by the life-span of led chip, the design of its fitting structure, and life-span of power supply etc. all can have influence on life-span of light fixture integral body.
In the design of fitting structure, radiator structure is the emphasis of studying in the industry always.The radiating effect of light fixture is relatively poor, then not only can affect light decay, also can affect lamp life, and is serious even can namely can cause in a short time light fixture " dead lamp ".The heat that traditional radiating mode mostly is greatly by LED is produced is transmitted on the radiator, reaches radiating effect by radiator with the heat exchange that naturally contacts of air.But this radiating mode radiating efficiency is lower, be used for lower-powered light fixture light fixture still can, in case be used for the larger light fixture of power, its radiating effect just seems that grabbing the flap has seen elbow.The someone was for reaching preferably radiating effect afterwards, and with the volume increase of radiator, although played certain effect, this mode has improved cost, and has increased the volume of space hold, obviously is not optimal scheme.
In actual illumination is used, the LED shot-light is to replace MR16 shot-light take halogen tungsten lamp as light source (MR16 is the specification of a kind of light fixture in the illuminating industry, be common practise), because the halogen tungsten lamp light efficiency is low, generally only has 12lm/W, energy consumption is high, is to belong in the first batch traditional high energy consumption lighting source that will be replaced by LED.Yet although the light efficiency of LED shot-light can be wanted the halogen tungsten lamp MR16 shot-light of the maximum 50W of complete Replacing using up to 65-80lm/W, the power of LED shot-light also will be up to 8-10W.But in fact because of the finite volume of MR16 shot-light, LED MR16 shot-light can't be accomplished the power that 5W is above, otherwise because the integral heat sink ability causes the lamp housing excess Temperature not, causes at last the serious light decay of LED even dead lamp.Certainly, if skin temperature is also dangerous above 90 ℃, can't pass security regulations.How under limited volume, strengthen the radiating efficiency of lamp outer casing so that the power of LED MR16 shot-light can security improvement to 8-10W, replace 50W halogen tungsten lamp shot-light comprehensively, be illuminating industry one large urgent task.
Chinese patent ZL 201020530297.X, a kind of structure of LED shot-light is disclosed, comprise Lamp cup, lens, the contact-making surface of its Lamp cup and lens is provided with air-vent, the Lamp cup outer surface is provided with the air-vent that is communicated with the Lamp cup inner surface, and Lamp cup forms the air flue that is communicated with the air-vent of lens contact-making surface with Lamp cup outer surface air-vent.This Patent design a kind of LED shot-light with air-vent, but the design of its air-vent is simpler, radiating effect is also not ideal enough.
Summary of the invention
The object of the present invention is to provide a kind of LED shot-light, have good heat dissipation effect, cost is low and is beneficial to the characteristics of dismounting.
Be the technical scheme that realizes that purpose of the present invention adopts: a kind of LED shot-light, comprise lamp holder, heat radiation lamp cup, LED light emitting module and lens module that coupling connects, described heat radiation lamp cup center is cavity, heat radiation lamp cup forms 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 the substrate that cavity is divided into from the bottom to top cavity of resorption and epicoele; Described LED light emitting module is installed on the bottom surface that is positioned at cavity of resorption on the substrate, and described lens module is covered on the LED light emitting module; Described lamp holder is installed on the heat radiation lamp cup upper end; Annular band gap between the outer surface of cavity and the shell is spaced apart some rotational paths that are upward through the heat radiation lamp cup outer surface of outer cover by the heat radiation lamp cup bottom end; Be provided with the helical form reinforcement of some connection chamber external surfaces and shell in the described annular band gap, annular band gap is formed described rotational path by this helical form reinforcement interval.
LED shot-light of the present invention removably connects between lamp holder, heat radiation lamp cup, LED light emitting module and the lens module mutually, has made things convenient for to change and maintenance; And heat radiation lamp cup is arranged to the inner and outer shell of rotational path, the heat that the LED light emitting module produces is transmitted to inner housing, reinforcement, shell body successively by substrate, when heat carries out heat exchange at the perisporium of rotational path, the hot-air that rises rises along spiral space, finally forms spiral air flow in the rotational path exit.The mode of this heat exchange has been saved the volume of cost, radiator, and its radiating efficiency is higher.
The surface area ratio of the rotational path straight up and down surface area of passage is large, and the design of rotational path has increased the surface area of heat radiation lamp cup, thereby also has better radiating effect.This preferred version designs by utilizing the Connection Element between the inner and outer shell, i.e. the ingenious rotational path that formed of reinforcement.
In addition, the gradient of heat radiation lamp cup outer surface of outer cover is less than the gradient of chamber outer surface, so that whole, the annular band gap integral body of Lamp cup is presented little lower main trend, rotational path is also up-small and down-big, forms the structure of similar chimney; By utilizing stack effect, and the spatial constraints of rotational path, the air that heat is risen forms spiral air flow fast.
Preferably, the angle of the axis of the tangent line of described rotational path and rotational path is 15 degree ~ 45 degree.
The rotation degree of rotational path is related to the quality of radiating effect; Rotation excessively then hinders the motion of ascending air, and rotation does not then have the effect of accelerating ascending air not; The inventor has designed this preferred version through facts have proved and theoretical research.
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.
It is smooth and easy that the arranging of rotating channel is particular about, and arranges by the position with air inlet, and the open design of air outlet uniqueness, accomplishes to reduce the resistance of ascending air as far as possible.
Preferably, described reinforcement is along the radial width of the circumferential length of annular band gap greater than the annular band gap of annular; The quantity of described rotating channel is 4 to 8.
The circumferential lengths of reinforcement is lengthened as far as possible, be conducive to heat and conduct 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 not the more the better yet, the random air-flow of too many easily formation, but can not very little, can not form spiral wind at least.The inventor has designed this preferred version through facts have proved and theoretical research.
Preferably, comprise some thermal columns, be located in the epicoele that thermal column one end is connected with substrate; The part thermal column is connected with the inwall of epicoele.
Thermal column is set in the epicoele, strengthens radiating effect.Thermal column is connected with the inwall of epicoele, makes the heat of LED light emitting module be more conducive to conduct to heat radiation lamp cup.Greatly improved radiating effect, thereby for the more high-power LED light emitting module of design, provided support.
Preferably, described reinforcement, substrate and thermal column are formed in one in the structure of heat radiation lamp cup.
By integrated mode, make heat-conducting effect, the better heat-radiation effect of LED light emitting module and heat radiation lamp cup.
Preferably, the internal perisporium of described rotational path is smooth face.
Because the light fixture volume of LED shot-light is little, annular band gap between its heat radiation lamp cup inner and outer shell is less, the internal perisporium of rotational path is set to smooth wall in this case, can reduce the resistance of ascending air, hot air rising speed in the rotational path is faster, formed spiral air flow 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 the epicoele and is connected with the screw hole coupling; Described LED light emitting module is provided with some locating holes, and described lens module is provided with some locating dowels, and described locating dowel is connected with the locating hole coupling.
This preferred version has designed a kind of lamp holder and heat radiation lamp cup of making by the scheme that screw is connected, and has realized purpose for convenience detach.Also design the scheme that a kind of LED of making light emitting module is connected with lens module, realized purpose for convenience detach.
Preferably, described lower cavity wall is provided with the platform for the support lens module, and the direction of this platform from substrate to the cavity of resorption bottom is ladder-like arranged; Comprise the retainer ring for the fixed lens module, described retainer ring is fixed in the inner chamber bottom; Also comprise the power module that connects lamp holder and LED light emitting module, described power module is located in the epicoele.
The lens module periphery is close on the platform, and not only fixed lens module preferably also helps assembling.
By the fixing mode of retainer ring, LED of the present invention is set have more modularization, more convenient dismounting, and the compatible design of each each module of light fixture.Described power module is used for converting civil power to LED light emitting module described direct current, and the voltage range that is fit to.
Preferably, described reinforcement lower end flushes with the cavity of resorption bottom, and the lower end of part reinforcement is provided with the installation position; Described retainer ring neighboring is provided with some outwardly screw ears, and the screw ear is provided with the installing hole that is connected with the installation position coupling; A described lens module dorsad side of led module is the plane, and the periphery on this plane is provided with scrobicular ring; This plane flushes with the lower end of shell body, and described scrobicular ring flushes with the 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 has designed a kind of LED of making light emitting module, lens module is fixed in the scheme on the heat radiation lamp cup, has realized purpose for convenience detach, that fit tightly.By the setting of this preferred version, the exiting surface of LED shot-light of the present invention is approximately the structure on plane, installs and uses because more be conducive to.
Preferably, described cavity of resorption is straight-tube shape or the hatch frame that opens wide to inner housing lower end direction, and described hatch frame includes the structure of the horn-like or arc surfaced that is beneficial to optically focused.
When LED shot-light of the present invention, the heat that produces when the LED light emitting module is worked were transmitted on the inner and outer shell of heat radiation lamp cup, the surface of inner and outer shell and air carried out heat exchange, and the air heat that temperature is lower, and air is heated rear rising.In annular band gap, hot-air is in the process that rises, and is upwards for the helical movement along rotational path, finally forms whirlwind in the exit, upper end 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, such as the Philip, three magnitudes have adopted the technology of forced convertion.But fan is adopted in forced convertion, can produce noise, and market can't be accepted.The present invention adopts the mode of strengthening free convection to improve exponentially the radiating efficiency of lamp outer casing, so that LED MR16 shot-light can be under the general power of 10W, temperature rise is lower than 50 ℃, i.e. during this shot-light work, even under 40 ℃ environment, skin temperature can be above 90 ℃.So, the invention solves a great problem of LED lighting field.
Description of drawings
Fig. 1 is the dismounting figure of embodiment of the invention LED shot-light
Fig. 2 is the side view of embodiment of the invention LED shot-light
Fig. 3 is the bottom view of embodiment of the invention LED shot-light
Fig. 4 is the top view of embodiment of the invention LED shot-light
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 invention LED shot-light
Fig. 7 is the schematic perspective view of the heat radiation lamp cup of embodiment of the invention LED shot-light
Fig. 8 is the side view of the heat radiation lamp cup of embodiment of the invention LED shot-light
Fig. 9 is the bottom view of the heat radiation lamp cup of embodiment of the invention LED shot-light
Figure 10 is the bottom view of the heat radiation lamp cup of embodiment of the invention LED shot-light
Figure 11 is the top view of the heat radiation lamp cup of embodiment of the invention LED shot-light
Figure 12 is the B-B cross section view of Figure 10
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described further:
To shown in Figure 12, a kind of LED shot-light comprises lamp holder 1, power module, heat radiation lamp cup 2, LED light emitting module 3, lens module 4 and retainer ring 5 that coupling connects such as Fig. 1.
Described lamp holder 1 is used for engaging with the lamp socket that is connected to the power supplys such as civil power, low tension, and its end that is used for the connection lamp socket is provided with electrode and draws pin 11, and a side that connects heat radiation lamp cup 2 is provided with screw hole post 12, also is provided with some air-vents 13 on the described lamp holder.
Described heat radiation lamp cup 2 comprises shell body 21 and inner housing 22, described shell body 21 is ring-type, cylindric or cone shape housing, it is sheathed on inner housing 22 peripheries, has the annular band gap 26 for the ventilation heat exchange between the inner and outer shell, connects by some reinforcements 212 between the inner and outer shell.Described shell body 21 lower ends are 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 similar cylindraceous of inner chamber, the inner chamber of inner housing 22 is provided with integrated substrate 23, substrate 23 is divided into cavity of resorption 221 and epicoele 222 with the inner chamber of inner housing, the screw hole 25 that substrate 23 is provided with the through wires hole 24 that supply lines passes and is used for connecting for screw hole post 12 couplings, lamp holder screw hole post 12 can be fixed on screw hole 25 places by screw, thereby lamp holder 1 is fixedly connected with heat radiation lamp cup 2.
Described lamp holder 1 is located at the upper end of heat radiation lamp cup 2, and the screw hole post of described lamp holder 1 12 inserts the epicoele 222 of heat radiation lamp cups 2, is connected with screw hole 25 on being located at substrate 23.
Described power module is located in the epicoele 222 of heat radiation lamp cup 2, and power module is required according to LED light emitting module 3, is used for converting civil power to satisfactory direct current, to supply with LED light emitting module 3.Power module vertically is arranged in the epicoele 222, the heat that power module when work produces with heated with ambient air after, hot air rising is by the air-vent 13 of being located at lamp holder, with the colder air heat exchange in the external world.
Described LED light emitting module 3 comprises some LED light-emitting components 32, and LED light emitting module 3 is provided with locating hole 31.Described lens module 4 is provided with locating dowel 41, and lens module 4 is connected with locating dowel by locating hole 31 with LED light emitting module 3 and is connected the location.LED light emitting module 3 is located in the cavity of resorption 221, and is close on the substrate 23, and the heat that produces during 3 work of LED light emitting module is passed to substrate 23, conducts to inner housing 22 by substrate 23 again, passes through reinforcement 212 conduction to shell body 21 again.For reaching better heat-conducting effect, can directly fit tightly between LED light emitting module 3 and the substrate 23, can also between LED light emitting module 3 and substrate 23, add heat conduction rubber cushion, silica gel, silicagel pad etc.
The cavity of resorption 222 of described heat radiation lamp cup 2 is for straight-tube shape or the structure of horn-like, the arc surfaced that is conducive to optically focused that brings out downwards that mouthful direction opens wide, lower cavity wall is provided with the platform 27 for support lens module 4, and this platform 27 is ladder-like arranged from the direction that substrate 23 brings out mouth downwards.
When described LED light emitting module 3 was close on the substrate 23, lens module 4 peripheries were close on the platform 27 just.The diameter of lens module 4 equals the diameter of platform 27, and lens module 4 is fallen on the platform 27 just.The height that lens module 4 is close to platform 27 parts equals platform 27 to the degree of depth at 29 places, inner housing 22 lower ends, and edge 42 height of lens module 4 are flushed with inner housing lower end 29.
For reaching better light distribution effect, described lens module 4 is provided with integrated lens unit 43 arrays, a LED luminescence unit 32 on each lens unit 43 corresponding LED light emitting module 3, described lens unit 43 arrays are located at a side of corresponding LED light emitting module 3 on the lens module 4, and the opposite side of lens unit 43 is smooth plane or the textured plane of tool.The peripheral 42(on this plane namely, the edge of lens module, scrobicular ring 42) depression, when lens module 4 was close on the platform 27, the height on plane flushed with the lower end of shell body 21, the scrobicular ring 42 on plane flushes with inner housing 22 lower ends 29.
Described reinforcement 212 lower ends flush with inner housing lower end 29, and the lower end of part reinforcement 212 is provided with installation position 28.Described retainer ring 5 neighborings are provided with some outwardly screw ears 51, screw ear 51 is provided with the installing hole with above-mentioned installation position 28 couplings, the connection of being connected with the installation position by installing hole is fixed on the heat radiation lamp cup 2 retainer ring 5, thus fixed lens module 4 and LED light emitting module 3.
Because the annular band gap between the inner and outer shell is less, and installation position 28 is usually larger, so will be provided with the lower end that the end portion of the reinforcement 212 of installation position 28 embeds shell body 21, the shape of the corresponding screw ear 51 of the shape of its embedded part; When retainer ring 5 is fixed with inner housing 22 lower end 29, its screw ear 51 lucky embedded parts corresponding to the reinforcement 212 that is provided with installation position 28 and shell body 21 lower ends.So design takes full advantage of the light fixture space, saves the light fixture volume.
The outer circumference diameter of retainer ring 5 equals the outer circumference diameter of inner housing lower end 29, and interior all diameters equal the outer circumference diameter on 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 was fixed on the heat radiation lamp cup 2, retainer ring 5 was pressed on the lower end 29 of the edge 42 of lens module 4 and inner housing, thereby lens module 4 is close on the platform 27.Simultaneously, when retainer ring 5 was fixed on the heat radiation lamp cup 2, its lower surface flushed with the lower end of shell body 21.
Described reinforcement 212 is one-body molded with inner and outer shell 21, and when the heat that produces during 3 work of LED light emitting module was transmitted on the inner and outer shell, the surface of inner and outer shell and air carried out heat exchange, and the air heat that temperature is lower, and air is heated rear rising.Between the annular band gap of inner and outer shell, reinforcement 212 is arranged to the from bottom to up structure of spiral, annular band gap between the reinforcement is divided into the space of some spirals accordingly, it is rotational path, hot-air is in the process that rises, upwards for the helical movement along rotational path, finally form whirlwind in the exit, upper end 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 between 15 degree ~ 45 degree, and more excellent is between 20 degree ~ 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 simultaneously, the rotational path swing is larger, owing to stopped the space that spiral wind rises, the effect of the class cyclone of its formation is poorer.This programme has designed optimum scheme through practice.As shown in Figure 8, be the schematic diagram of the angle α of the tangent line of rotational path and spiral channel axis.
For the air that makes rising is more conducive to converge formation class cyclone effect, the structure that spiral channel is set to close up gradually from bottom to up.Specifically can be: suitable for reading less than end opening, residing annular Zhou Jing suitable for reading be less than the residing annular Zhou Jing of end opening (Zhou Jing at the place, bottom of annular band gap), and namely spiral channel draws in to 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, 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 height of the bottom of the lowest part at air outlet edge of rotational path and heat radiation lamp cup, equals 1/4th of heat radiation lamp cup height, and the best size of h1 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 4/5ths tops to heat radiation lamp cup.As shown in Figure 8, optimum height is for to flush with the top of heat radiation lamp cup.
It is as follows that this specification is also announced another kind of embodiment: 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 1/3rd heat radiation lamp cup height, just are positioned at the centre position of outer surface of outer cover.Practical and attractive, be conducive to make moulding.
This programme opens wide the rotational path air outlet as far as possible, amplifies, and more is conducive to ventilation and heat, if air outlet is less, can affect the speed of hot air rising.
As shown in figure 10, described reinforcement is along the radial width d of the circumferential length L of annular band gap greater than the annular band gap of annular.What why the circumferential lengths L of reinforcement is arranged is larger, is conducive to heat and conducts 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 can not very little, can not form spiral wind at least.
The according to the above description announcement of book and instruction, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.
Claims (10)
1. a LED shot-light comprises lamp holder, heat radiation lamp cup, LED light emitting module and lens module that coupling connects, it is characterized in that:
Described heat radiation lamp cup center is cavity, heat radiation lamp cup forms 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 the substrate that cavity is divided into from the bottom to top cavity of resorption and epicoele;
Described LED light emitting module is installed on the bottom surface that is positioned at cavity of resorption on the substrate, and described lens module is covered on the LED light emitting module; Described lamp holder is installed on the heat radiation lamp cup upper end;
Annular band gap between the outer surface of cavity and the shell is spaced apart some rotational paths that are upward through the heat radiation lamp cup outer surface of outer cover by the heat radiation lamp cup bottom end; Be provided with the helical form reinforcement of some connection chamber external surfaces and shell in the described annular band gap, annular band gap is formed described rotational path by this helical form reinforcement interval.
2. according to LED shot-light claimed in claim 1, it is characterized in that: the angle of the tangent line of described rotational path and the axis of rotational path is 15 degree ~ 45 degree.
3. according to LED shot-light claimed in 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, 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.
4. according to LED shot-light claimed in claim 1, it is characterized in that: described reinforcement is along the radial width of the circumferential length of annular band gap greater than the annular band gap of annular; The quantity of described rotating channel is 4 to 8.
5. according to LED shot-light claimed in claim 1, it is characterized in that: comprise some thermal columns, be located in the epicoele that thermal column one end is connected with substrate; The part thermal column is connected with the inwall of epicoele.
6. according to claim 1 or 5 described LED shot-lights, it is characterized in that: described reinforcement, substrate and thermal column are formed in one in the structure of heat radiation lamp cup.
7. according to LED shot-light claimed in claim 1, it is characterized in that: the internal perisporium of described rotational path is smooth face.
8. according to LED shot-light claimed in claim 1, it is characterized in that: 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 the epicoele and is connected with the screw hole coupling; Described LED light emitting module is provided with some locating holes, and described lens module is provided with some locating dowels, and described locating dowel is connected with the locating hole coupling.
9. according to LED shot-light claimed in claim 1, it is characterized in that: described lower cavity wall is provided with the platform for the support lens module, and the direction of this platform from substrate to the cavity of resorption bottom is ladder-like arranged; Comprise the retainer ring for the fixed lens module, described retainer ring is fixed in the inner chamber bottom; Also comprise the power module that connects lamp holder and LED light emitting module, described power module is located in the epicoele.
10. according to LED shot-light claimed in claim 9, it is characterized in that: described reinforcement lower end flushes with the cavity of resorption bottom, and the lower end of part reinforcement is provided with the installation position; Described retainer ring neighboring is provided with some outwardly screw ears, and the screw ear is provided with the installing hole that is connected with the installation position coupling; A described lens module dorsad side of led module is the plane, and the periphery on this plane is provided with scrobicular ring; This plane flushes with the lower end of shell body, and described scrobicular ring flushes with the cavity of resorption bottom; The described retainer ring dorsad one side of inner chamber bottom flushes with the lower end of shell body.
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| CN201310004315.9A CN102997138B (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spot lamp |
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| CN201210392818 | 2012-10-16 | ||
| CN201210392818.3 | 2012-10-16 | ||
| CN2012103928183 | 2012-10-16 | ||
| CN201310004315.9A CN102997138B (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spot lamp |
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| CN102997138B CN102997138B (en) | 2015-06-03 |
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| CN104214552A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Light source module for shadowless lamp and shadowless lamp with same |
| CN104214601A (en) * | 2013-05-31 | 2014-12-17 | 北京谊安医疗系统股份有限公司 | Illuminating device for shadowless lamp and shadowless lamp with same |
| CN104344233A (en) * | 2013-07-26 | 2015-02-11 | 比亚迪股份有限公司 | LED lamp and manufacturing method thereof |
| WO2015054891A1 (en) * | 2013-10-16 | 2015-04-23 | 刘骏涛 | Decorative lamp |
| 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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