CN203131580U - Light emitting diode (LED) spotlight - Google Patents
Light emitting diode (LED) spotlight Download PDFInfo
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- CN203131580U CN203131580U CN2013200057091U CN201320005709U CN203131580U CN 203131580 U CN203131580 U CN 203131580U CN 2013200057091 U CN2013200057091 U CN 2013200057091U CN 201320005709 U CN201320005709 U CN 201320005709U CN 203131580 U CN203131580 U CN 203131580U
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Abstract
The utility model discloses a light emitting diode (LED) spotlight. The LED spotlight comprises a lamp holder, a heat dissipation lamp cup, an LED light emitting module and a lens module, wherein a cavity is located in the center of the heat dissipation lamp cup, the heat dissipation lamp cup forms the outer surface of an outer shell of the heat dissipation lamp cup and the outer surface of the cavity, the slope of the outer surface of the outer shell of the heat dissipation lamp cup is less than that of the outer surface of the cavity, and a substrate separating the cavity into a lower cavity and an upper cavity from bottom to top is installed inside the cavity; an annular band gap between the outer surface of the cavity and the outer shell is spaced into a plurality of rotating through channels which upwards penetrate through the outer surface of the outer shell of the heat dissipation lamp cup from the lower end of the heat dissipation lamp cup; the LED light emitting module is installed on the bottom surface, locating in the lower cavity, of the substrate, and the lens module covers the LED light emitting module; the lamp holder is installed at the upper end of the heat dissipation lamp cup. The LED spotlight has the advantages of being good in heat dissipation effect, low in cost and convenient to disassemble and assemble.
Description
Technical field
The utility model relates to the LED lighting field, is 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, 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 traditional relatively incandescent lamp of led light source, fluorescent lamp, electricity-saving lamp etc. have bigger application prospect.
Along with the development of LED technology, the high light efficiencyization of LED, super brightnessization, panchromaticization constantly develop innovation, and its specification requirement to Design of Luminaires, application is more and more higher.How improving lamp structure, prolong lamp life, improve energy-conservation level, solve heat dissipation problem, optimize optical design, save production cost etc., is the field that industry emphasis research and development always break through.Particularly the LED lighting engineering is ripe relatively now, the LED illumination enters the stage of applying, how to improve lamp structure, prolong lamp life, 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, as ceiling etc.Though 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 influence light decay, also can influence lamp life, and is serious even can namely can cause light fixture " dead lamp " in a short time.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 contacts naturally 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 bigger light fixture of power, its radiating effect just seems that grabbing the flap has seen elbow.The someone was for reaching better radiating effect afterwards, and with the volume increase of radiator, though 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 that to replace with the halogen tungsten lamp be that (MR16 is the specification of a kind of light fixture in the illuminating industry for the MR16 shot-light of light source, be common practise), because the halogen tungsten lamp light efficiency is low, generally has only 12lm/W, the energy consumption height 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 will replace the halogen tungsten lamp MR16 shot-light of using maximum 50W fully 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 causes that because the integral heat sink ability is not enough the lamp housing temperature is too high, causes the serious light decay of LED even dead lamp at last.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, make 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 big 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 has designed a kind of LED shot-light with air-vent, but its air-vent design is simpler, and radiating effect is also not ideal enough.
The utility model content
The purpose of this utility model is to provide a kind of LED shot-light, has good heat dissipation effect, cost is low and is beneficial to the characteristics of dismounting.
Be the technical scheme that realizes that the purpose of this utility model 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, the cup-shaped outer surface that becomes heat radiation Lamp cup outer surface of outer cover and cavity of thermal louver, wherein dispel the heat the gradient of Lamp cup outer surface of outer cover 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 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 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 the described annular band gap, annular band gap is formed described rotational path at interval by this helical form reinforcement.
LED shot-light of the present utility model removably connects between lamp holder, heat radiation Lamp cup, LED light emitting module and the lens module mutually, has made things convenient for and has changed and maintenance; And the Lamp cup that will dispel the heat 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 big, 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 makes Lamp cup integral body, annular band gap integral body present little main trend down less than the gradient of chamber outer surface, and 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 is not enough, does not then have the effect of accelerating ascending air; Utility model people 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 the Lamp cup 2/3rds that dispels the heat.
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 influence setting and the quantity of passage.The quantity of passage is not the more the better yet, the random air-flow of too many formation easily, but can not can not form spiral wind at least very little.Utility model people 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, and the heat of LED light emitting module is more conducive to the conduction of heat radiation Lamp cup.Improved radiating effect greatly, 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, the hot-air rate of climb 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 reference columns, and described reference column is connected with the locating hole coupling.
This preferred version designed a kind of make lamp holder with the heat radiation Lamp cup by the scheme that screw is connected, 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 cavity wall down is provided with the platform for the support lens module, and the direction to the cavity of resorption bottom is ladder-like arranged this platform from substrate; 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 utility model is set have more modularization, more convenient dismounting, and the design of the compatibility 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 the screw ear of some outside protrusions, and the screw ear is provided with the installing hole that is connected with the installation position coupling; A described lens module side of led module dorsad 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 one side of inner chamber bottom dorsad 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 utility model is approximately the structure on plane, installs and uses because be conducive to more.
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 utility model, 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 back 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, 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 utility model adopts the mode of strengthening free convection to improve the radiating efficiency of lamp outer casing exponentially, make 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 utility model has solved a great problem of LED lighting field.
Description of drawings
Fig. 1 is the dismounting figure of the utility model embodiment LED shot-light
Fig. 2 is the side view of the utility model embodiment LED shot-light
Fig. 3 is the bottom view of the utility model embodiment LED shot-light
Fig. 4 is the vertical view of the utility model embodiment 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 the utility model embodiment LED shot-light
Fig. 7 is the schematic perspective view of the heat radiation Lamp cup of the utility model embodiment LED shot-light
Fig. 8 is the side view of the heat radiation Lamp cup of the utility model embodiment LED shot-light
Fig. 9 is the bottom view of the heat radiation Lamp cup of the utility model embodiment LED shot-light
Figure 10 is the bottom view of the heat radiation Lamp cup of the utility model embodiment LED shot-light
Figure 11 is the vertical view of the heat radiation Lamp cup of the utility model embodiment LED shot-light
Figure 12 is the B-B cross section view of Figure 11
The specific embodiment
Below in conjunction with accompanying drawing the utility model specific embodiment 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 as Fig. 1.
Described lamp holder 1 is used for engaging with the lamp socket that is connected to 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 fixedlyed 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 12 of described lamp holder 1 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 rises, 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 reference column 41, and lens module 4 is connected location by locating hole 31 with reference column 41 with LED light emitting module 3.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, gives inner housing 22 by substrate 23 conduction again, gives shell body 21 by reinforcement 212 conduction 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, following 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 plane with lines.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 the screw ear 51 of some outside protrusions, screw ear 51 is provided with and above-mentioned installation position 28 installation holes for matching, by make installing hole and being connected of installation position 28 retainer ring 5 be fixed in the heat radiation Lamp cup 2 on, thereby 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 bigger usually, 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 ends 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 has taken 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 the back and rises.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 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 bigger, and the cooling surface area of heat radiation Lamp cup is bigger; But simultaneously, the rotational path swing is bigger, 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, i.e. h2 1/2nd height of Lamp cup that equal to dispel the heat; H1 is the height of bottom of lowest part and heat radiation Lamp cup at the air outlet edge of rotational path, equals 1/4th of the Lamp cup height that dispels the heat, 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 the Lamp cup 2/3rds that dispels the heat, and preferred range is 4/5ths tops to the heat radiation Lamp cup.As shown in Figure 8, optimum height flushes for the top with the heat radiation Lamp cup.
This specification announces that also another kind of embodiment is as follows: the lowest part at rotational path edge suitable for reading is positioned at 1/3rd of heat radiation Lamp cup highly to be located, and highest point is positioned at 2/3rds and highly locates; 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, are positioned at the centre position of outer surface of outer cover just.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 influence the speed that hot-air rises.
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 bigger, 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 formation easily, but can not can not form spiral wind at least very little.
The announcement of book and instruction according to the above description, 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, the cup-shaped outer surface that becomes heat radiation Lamp cup outer surface of outer cover and cavity of thermal louver, wherein dispel the heat the gradient of Lamp cup outer surface of outer cover 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 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 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 the described annular band gap, annular band gap is formed described rotational path at interval by this helical form reinforcement.
2. according to the described LED shot-light of 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 the described LED shot-light of 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 the Lamp cup 2/3rds that dispels the heat.
4. according to the described LED shot-light of 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 the described LED shot-light of 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 the described LED shot-light of claim 1, it is characterized in that: the internal perisporium of described rotational path is smooth face.
8. according to the described LED shot-light of 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 reference columns, and described reference column is connected with the locating hole coupling.
9. according to the described LED shot-light of claim 1, it is characterized in that: described cavity wall down is provided with the platform for the support lens module, and the direction to the cavity of resorption bottom is ladder-like arranged this platform from substrate; 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 the described LED shot-light of 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 the screw ear of some outside protrusions, and the screw ear is provided with the installing hole that is connected with the installation position coupling; A described lens module side of led module dorsad 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 one side of inner chamber bottom dorsad flushes with the lower end of shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200057091U CN203131580U (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spotlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220529467 | 2012-10-16 | ||
| CN201220529467.1 | 2012-10-16 | ||
| CN2013200057091U CN203131580U (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spotlight |
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| Publication Number | Publication Date |
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| CN203131580U true CN203131580U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200057091U Expired - Fee Related CN203131580U (en) | 2012-10-16 | 2013-01-06 | Light emitting diode (LED) spotlight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997138A (en) * | 2012-10-16 | 2013-03-27 | 广东国晟投资有限公司 | Light emitting diode (LED) spot lamp |
| CN104197294A (en) * | 2014-09-16 | 2014-12-10 | 苏州承源光电科技有限公司 | LED (light emitting diode) radiator |
-
2013
- 2013-01-06 CN CN2013200057091U patent/CN203131580U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997138A (en) * | 2012-10-16 | 2013-03-27 | 广东国晟投资有限公司 | Light emitting diode (LED) spot lamp |
| CN104197294A (en) * | 2014-09-16 | 2014-12-10 | 苏州承源光电科技有限公司 | LED (light emitting diode) radiator |
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