CN201190980Y - Light-emitting diode bulb - Google Patents
Light-emitting diode bulb Download PDFInfo
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- CN201190980Y CN201190980Y CNU2008201147342U CN200820114734U CN201190980Y CN 201190980 Y CN201190980 Y CN 201190980Y CN U2008201147342 U CNU2008201147342 U CN U2008201147342U CN 200820114734 U CN200820114734 U CN 200820114734U CN 201190980 Y CN201190980 Y CN 201190980Y
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Abstract
The utility model relates to a light emitting diode bulb, comprising at least one LED unit, a thermal conductive pole, a heat radiation module, at least one baseboard, at least one transparent cover, an annular protective sleeve, a circuit board and a base, wherein the LED unit is combined with the baseboard, the heat radiation module is composed of a plurality of radiator fin and is abut against the periphery of the thermal conductive pole to be serially connected radial, distantly and annularly, the annular protective sleeve comprises a top surface and a side wall, the top surface is arranged on the heat radiation module and is provided with a central opening corresponding to the transparent cover, the side wall surrounds the periphery of the heat radiation module, the edge of the side wall is provided with at least one protruded sheet which is bent and embedded into the central space between two radiator fins to fix the annular protective sleeve on the heat radiation module. The circuit of the circuit board can adjust the brightness of the LED unit via controlling the current intensity. The base is provided with an external conductive screw electrically connected with the circuit board.
Description
Technical field
The utility model is to be a kind of light emitting diode bulb, especially refer to that a kind of LED of utilization (Light EmittingDiodes) light emitting diode controls the current strength of its input by the circuit loop of a circuit board, to reach the light emitting diode bulb of adjusting this LED unit brightness.
Background technology
In the bulb miscellaneous on the market, projecting lamp has accounted for quite fixing ratio for a long time always.Traditional projecting lamp, be to use 110 volts halogen projection lamp, power consumption height not only, and heating easily, the relative life-span is also very short, and average life span has only some months, in the surging age of this electricity price, not only very not environmental protection, and the high heat that it distributed also to cause that electric wire cocks off easily etc. dangerous unexpected.
Therefore, once having the dealer to release a kind of is the projecting lamp of lighting source with LED, utilizes the characteristics such as low power consumption of LED to improve the shortcoming of traditional halogen projection lamp.See also shown in Figure 1ly, Fig. 1 is the schematic appearance of LED projection lamp of the prior art; Wherein, this LED projection lamp 1 of commonly using mainly is made up of shell 11, voltage conversion unit 12 and LED unit 13.This LED unit 13 and voltage conversion unit 12 be located at this metal make outside in the shell 11.By this voltage conversion unit 12 originally 110 volts alternating current the direct current that can provide LED unit 13 to use is provided to, make the LED unit 13 can be luminous and reach the projection effect.
But, aforementioned LED projection lamp 1 structure of commonly using, though have the effect of power saving environmental protection compared to traditional halogen projection lamp, same, the problem of using LED unit 13 also to have heat radiation exists.Especially LED unit 13 is compared to traditional halogen projection lamp, its heat-resisting degree is lower, and once temperature surpasses it when allowing setting value, the phenomenon that the brightness that this LED unit 13 produced will decay and can't getting a desired effect, even reduce its normal service life.
In view of this, the heat energy that is produced when doing at LED unit 13, can only rely on metal make outside shell 11 slowly loose to aerial, its radiating effect can be said so desirable quite not to the utmost.Therefore at present such LED projection lamp of commonly using 1 only can use 1 watt LED unit 13 at most, causes its brightness that can provide to be subjected to certain limit, and can't effectively promote and replace traditional halogen projection lamp.Make traditional halogen projection lamp of high power consumption, high heating still occupy a certain proportion of market always, cause considerable energy waste.
Summary of the invention
Main purpose of the present utility model is to be to provide a kind of light emitting diode bulb, make it have good heat sinking function, to prevent to weaken the service life of illumination effect and image LED, become widely applicable lighting source thereby make LED can replace existing tengsten lamp lamp light-emitting component owing to temperature is too high.
In order to achieve the above object, the utility model is to provide a kind of light emitting diode bulb, and a kind of light emitting diode bulb includes:
At least one LED unit; One heating column, it is to be a tubular, and includes a top and a bottom, and is provided with at least one through hole in this top;
One radiating module, it is enclosed outside this heating column by a plurality of radiating fin closings and is radial interval annular and is connected in series, and this top end in this radiating fin closing in this heating column expands a predeterminable range outward, and the top that makes this radiating fin be surrounded on this heating column forms recessed rank that have identical axle center with this heating column;
At least one substrate, it provides this LED unit combination thereon, and is arranged on these formed these recessed rank of radiating fin central authorities;
At least one transparent cover body, it is to be positioned at these recessed rank of these radiating module central authorities and to cover on the LED unit;
One ring jacket, it comprises: an end face and a sidewall; This end face is to be arranged on the radiating module, and central authorities to be provided with an opening corresponding with this transparent cover body, and order is connected to enclose outside with this radiating module in this sidewall around this end face and gives frame cover and corral;
One circuit board comprises a circuit loop at least, and does electric connection by this through hole on this heating column with the LED unit that institute on this substrate combines; And
One base, it is to be a hollow housing, be to hold this circuit board in wherein, and be provided with a socket in the top, with the bottom of this heating column around this radiating fin interfix;
Wherein, this sidewall edge in this ring jacket is provided with at least one lug, after this ring jacket is with radiating module frame cover, be the central interval that utilizes this lug bending respectively and be embedded in two radiating fins, make this ring jacket be fixed on this radiating module.
Wherein, this LED unit is to be incorporated on this substrate, and is fixed in this radiating fin central authorities and one of forms on the recessed rank.This base is provided with a conduction screw thread outward and this circuit board is done the specification that electrically connects and meet the metal spiral adapter of general common traditional osram lamp.The heat that this LED unit is produced can be passed to this heating column by this metal substrate, and by this heating column heat is discharged in extraneous person by this heat-sink unit that a plurality of metal fins constituted that its surface contacted.
The beneficial effects of the utility model are: the design by radiating fin makes the LED light fixture that good performance of heat dissipation be arranged, thereby makes the high-power LED illumination become possibility, has reduced the operating temperature of LED lamp, prolongs its service life; And this base is provided with a conduction screw thread outward and this circuit board is done the specification that electrically connects and meet the metal spiral adapter of general common traditional osram lamp, makes this new LED lamp can directly replace existing osram lamp and has good versatility; By the control action of control circuit, can control the brightness of LED lamp easily, convenience is used and the purpose of energy-conserving and environment-protective thereby reach.
Description of drawings
Fig. 1 is the schematic appearance of existing LED projection lamp;
Fig. 2 is the three-dimensional exploded view of the utility model light emitting diode bulb first preferred embodiment;
Fig. 3 is the three-dimensional combination figure of the utility model light emitting diode bulb first preferred embodiment;
Fig. 4 is the circuit diagram of the circuit board of the utility model light emitting diode bulb
Fig. 5 A is the three-dimensional combination figure of the utility model light emitting diode bulb second preferred embodiment;
Fig. 5 B is the generalized section of the utility model light emitting diode bulb second preferred embodiment;
Fig. 6 is the three-dimensional combination figure of the utility model light emitting diode bulb the 3rd preferred embodiment;
Fig. 7 A is the LED unit cell arrangement schematic diagram one of the utility model light emitting diode bulb;
Fig. 7 B is the LED unit cell arrangement schematic diagram two of the utility model light emitting diode bulb;
Fig. 7 C is the LED unit cell arrangement schematic diagram three of the utility model light emitting diode bulb;
Fig. 7 D is the substrate vertical view of the utility model light emitting diode bulb;
Fig. 8 is the generalized section of the utility model light emitting diode bulb the 4th preferred embodiment;
Fig. 9 is the generalized section of the utility model light emitting diode bulb the 5th preferred embodiment;
Figure 10 is the generalized section of the utility model light emitting diode bulb the 6th preferred embodiment;
Figure 11 is that the radiating module of the utility model light emitting diode bulb is implemented illustration.
Description of reference numerals:
The existing LED projection lamp of 1-; The 11-shell; The 12-voltage conversion unit; The 13-LED unit; 2,2a, 2b, 2c, 2d, 2e-light emitting diode bulb; The 21-LED unit; 22,22c-heating column; 221,221c-top; 2211,2211c-through hole; 222,222c-bottom; The 223c-joint portion; The 2231c-combined hole; 23,23c, 23d, 23f-radiating module; 231,231c, 231d, 231f-radiating fin; The bending of 2311f-arcuation; 2311,2311c-card rank; The 2312c-draw-in groove; 2313c-colludes groove; The 2314d-extension; 232, the recessed rank of 232c-; 24,24a-substrate; The 241a-fluting; 25,25c, 25d, 25e-transparent cover body; 251,251e-block end; 26,26a, 26c, 26d-ring jacket; 261,261a, 261c-end face; 261d-first end face; 261d '-second end face; 2611,2611a, 2611c-louvre; 262,262a, 262c, 262d-side; 2621,2621c-edge; 2622c-overhead kick portion; 263,263a, 263c-opening; 2631,2631a-peripheral region; 264,264a-lug; 265c-buckle end; The 2651c-holddown groove; The 2652c-projection; The 266d-extended loop; 2661d-heat extraction hole; The 27-circuit board; The 271-electromagnetic interference is prevented stop element; The 272-voltage regulation unit; The 273-voltage transformation unit; The 274-rectification unit; The 275-filter unit; The 276-current adjustment unit; 277-current/voltage detecting unit; The 278-PMU; 279-resistance; 28,28b, 28c, 28d-base; The 281-socket; 282,282c-conduction screw thread; 283b, 283d-lead foot; 284c, 284d-fixed connecting end; The 30-gauge tap; The 40-lead; The 50-lamp socket.
The specific embodiment
The light emitting diode bulb that is proposed in order more clearly to describe the utility model below will cooperate graphic detailed description.
See also Fig. 2, shown in Figure 3, Fig. 2, Fig. 3 are three-dimensional exploded view, the three-dimensional combination figure of the utility model light emitting diode bulb first preferred embodiment; Wherein, this light emitting diode bulb 2 includes: at least one LED unit 21, a heating column 22, a radiating module 23, at least one substrate 24, at least one transparent cover body 25, a ring jacket 26, a circuit board 27 and a base 28.
This heating column 22 is to be a tubular, and includes: a top 221 and a bottom 222, and be provided with at least one through hole 2211 in this top 221.The material of this heating column 22 can be that one of them is made with metal or alloy such as the preferable iron of thermal conductivity, copper, aluminium, silver and gold.
This radiating module 23 is combined by a plurality of radiating fin 231, and closing is enclosed outside this heating column 22 and is radial interval annular serial connection, and these 221 places, top in these radiating fin 231 closings in this heating column 22 expand a predeterminable range outward, make this radiating fin 231 in forming and one of these heating column 22 concentrics recessed rank 232 around one of this heating column 22 top 221.The radiating fin 231 of this radiating module 23 can be made with metal or alloy such as the preferable iron of thermal conductivity, copper, aluminium, silver and gold.Dress, coating one deck heat radiation lacquer can be sprayed or to electroplate a heat dissipating layer to improve the radiating efficiency of this radiating fin 231 in the surface of this radiating fin 231.
This substrate 24 provides these LED unit 21 combinations thereon, and be arranged on these formed these recessed rank 232 of radiating fin 231 central authorities, and some IC electric capacity can be set in order to regulate this LED unit 21 required voltage when luminous on this substrate 24, the heat that utilizes this substrate 24 that this LED unit 21 is produced when luminous is simultaneously discharged extraneous by this radiating fin 231.On substrate 24, can use insulating epoxy (Epoxy) to avoid IC electric capacity and LED unit 21 to be short-circuited.In present embodiment, the material of this substrate 24 can be the preferable metal substrate of thermal conductivity, and for example: materials such as aluminium, copper constitute.
This transparent cover body 25 is to be arranged in these recessed rank 232 of these radiating module 23 central authorities, and corresponding being positioned on the light source that is throwed this LED unit 21, and the light source that makes this LED unit 21 be throwed forms even light state, and has more the effect that prevents to dazzle light.Be provided with at least one block end 251 around this transparent cover body 25, be to make this transparent cover body 25 be fastened in these recessed rank 232 of these radiating module 23 central authorities, and also can utilize bonding agent that this transparent cover body 25 is adhered in these recessed rank 232 with elasticity.This transparent cover body 25 can be convex lens, concavees lens, level crossing and diffuser plate one of them.
This ring jacket 26 can give frame cover and corral with enclosing outside this radiating module 23.This ring jacket 26 is more to comprise: an end face 261 and a sidewall 262; This end face 261 is to be arranged on this radiating module 23, and central authorities are provided with an opening 263 and this transparent cover body 25, and to be same axle center corresponding.
This sidewall 262 is linkings and is surrounded on around this end face 261, and another edge 2621 that is positioned at this sidewall 262 is provided with at least one lug 264, in this ring jacket 26 with this radiating module 23 in addition behind the frame cover, utilize this lug 264 to bend and be embedded in the central interval of two radiating fins 231 respectively, and it is corresponding with this end face 261, make this ring jacket 26 be fixed on this radiating module 23, so can avoid this ring jacket 26 on this radiating module 23, to slide, distance between more keeping two adjacent radiating fins 231 necessarily by this lug 264 simultaneously is with the efficient of guaranteeing to dispel the heat.The mode frame that this ring jacket 26 can also be a plastic rubber ejaculate molding encloses and is attached to side outside this radiating module 23, and the central interval of going deep into two adjacent radiating fins 231 respectively separates fixingly, keeps distance between this radiating fin 231 by this.
This circuit board 27 comprises a circuit loop at least, and it is to be arranged in this base 28, and this through hole 2211 of crossing on this heating column 22 is all done electric connection with the LED unit 21 that institute on this substrate 24 combines.The circuit loop of this circuit board 27 is to reach the purpose of adjusting these LED unit 21 brightness by the intensity of controlling its input current.
This base 28 is to be a hollow housing, be provided with a socket 281 in the top to hold this circuit board 27 in it, and with 222 of the bottoms of this heating column 22 around this radiating fin 231 interfix, and outside this base 28, be provided with a conduction screw thread 282 and be electric connection person with this circuit board 27.In present embodiment, this conduction screw thread 282 of this base 28 is the specifications that constitute the metal spiral adapter that meets general common traditional osram lamp, its kind roughly has: different specifications such as E10, E12, E14, E26, E27, E40, in the numeral of letter e back herein is the diameter (for example the family expenses bulb is generally the E27 specification, that is to say that the screw thread place diameter of the metal spiral adapter of bulb is 27mm=2.7cm) of this conduction screw thread 282.
See also shown in Figure 4ly, Fig. 4 is the circuit diagram of the circuit board of the utility model light emitting diode bulb; Wherein, this circuit board 27 of this light emitting diode bulb 2 is to combine with a gauge tap 30 by cable, uses and utilizes 30 pairs of these light emitting diode bulbs of this gauge tap, 2 luminous required power supplys to switch.This gauge tap 30 can be the power change-over switch that generally installs on the wall of wall, by switching the length of 30 power signal times of this gauge tap, the circuit loop circulation of this circuit board 27 is produced a plurality of different brightness hop counts, and change the different drive current intensity in this LED unit 21 according to the hop count that is switched, reach and make this light emitting diode bulb 2 switch several different brightness illumination purposes.
For instance, when this circuit board 27 of this light emitting diode bulb 2 can be set this gauge tap 30 and switches to carry out power signal every 0.2 second, the drive current intensity of this LED unit 21 is set at the variation of four hop count brightness, produce 100%, 75%, 50% and the circulation hop count of 25% 4 kind of brightness respectively in regular turn, more can set this gauge tap 30 and continue to push the power signal that is produced with 1.5 seconds～2 seconds and reset with the circuit loop that makes this circuit board 27.
As shown in Figure 4, in this preferred embodiment, set circuit loop is to include on this circuit board 27: an electromagnetic interference (EMI) is prevented stop element 271, a voltage regulation unit 272, a voltage transformation unit 273, a rectification unit 274, a filter unit 275, electric current adjustment (Dimming) unit 276, a current/voltage detecting unit 277, a power management (PWM/QRM) unit 278, a resistance 279 and aforesaid LED unit 21.
The anti-stop element 271 of electromagnetic interference is the AC powers 270 that are serially connected with gauge tap 30 and 110V or 220V on the metope, can avoid electromagnetic interference.Voltage regulation unit 272 is to be connected to the anti-stop element 271 of electromagnetic interference, can avoid the phenomenon of voltage or electric current shakiness to damage other components.Voltage transformation unit 273 is to be serially connected with voltage regulation unit 272, and it is that AC power 270 with 110V or 220V is depressurized to driving LED unit 21 luminous required voltages, and for example 5～30 volts are not waited.Rectification unit 274 is to be serially connected with voltage transformation unit 273, and it is to be the power supply wave mode of positive half-wave with the power rectifier after voltage transformation unit 273 step-downs, cooperates the filter unit 275 be serially connected with behind the rectification unit 274 to be converted into a successional dc source afterwards again.In present embodiment, this rectification unit 274 can be a bridge rectifier, and filter unit 275 can comprise one or more filter capacitor.LED unit 21 is to be connected to filter unit 275, can accept to drive and luminous through rectification and filtered dc source.This current adjustment unit 276 is to be connected in rectification unit 274, it can be accepted from one of rectification unit 274 voltage signal, and the change of detecting gauge tap 30 voltage signal that quick change action is caused in the short time, adjust signal and produce corresponding electric current.Current/voltage detecting unit 277 is to be connected in current adjustment unit 276 and to be connected in filter unit 275 in addition and LED unit 21, can detect from the electric current of current adjustment unit 276 and adjust signal and detecting voltage or current signal, and then produce corresponding control signal from filter unit 275 and LED unit 21.This PMU 278 is to be connected between the input of current/voltage detecting unit 277 and voltage transformation unit 273, can adjust the current value size of the input of voltage transformation unit 273 according to the control signal that is transmitted by current/voltage detecting unit 277, and then control is used for the luminous current value size in driving LED unit 21, and reaches control and the purpose of adjusting LED unit 21 luminosity.
In other preferred embodiments of the utility model of the following stated, because of the element of major part is the same as or similar to previous embodiment, so components identical and will repeating no more below the structure, and components identical will directly give identical title and numbering, and for similar elements then give same names but after former numbering, increase in addition an English alphabet as a means of the difference and will not give unnecessary details explanation hereby.
See also shown in Fig. 5 A, Fig. 5 B, Fig. 5 A, Fig. 5 B are the three-dimensional combination figure and the generalized section of the utility model light emitting diode bulb second preferred embodiment; See also shown in Fig. 5 A; wherein; second preferred embodiment of the utility model light emitting diode bulb is different with aforesaid first preferred embodiment be in; the ring jacket 26a of this light emitting diode bulb 2a not only can be fixed each other radiating fin 231; more can be slightly less than the surface area of this transparent cover body 25 by the area at this opening 263a place; this peripheral region 2631a of this opening 263a is covered on the periphery of this transparent cover body 25; bend respectively in this lug 264a of this ring jacket 26a and to be embedded in two radiating fins, 231 central intervals when fixing; the compacting that makes this transparent cover body 25 further be subjected to this ring jacket 26a is fixed; reach and make this transparent cover body 25 must do not engaged with bonding agent; be directly with this peripheral region 2631a of this ring jacket 26a be pressed on this radiating module 23 should recessed rank 232 in (shown in ginseng Fig. 5 B), and have concurrently simultaneously and protect this radiating fin 231 not to be subjected to the impact of external force and be out of shape and can provide the user that application of force place is easily arranged.
See also shown in Fig. 5 B, this circuit board 27 is to be arranged within this base 28, and utilize at least one lead 40 to be connected with this substrate 24 by this through hole 2211 that passes through its top 221 in this heating column 22, by this with this substrate 24 on set this LED unit 21 do electric connection, and be provided with card rank 2311 for combining with these socket 281 places of this base 28 in each radiating fin 231 bottoms.Be provided with a plurality of louvre 2611a (shown in ginseng Fig. 5 A) that are surrounded on this opening 263a and locate on every side in this end face 261a of this ring jacket 26a, make this radiating fin 231 of this radiating module 23 be able to the heat energy that this LED unit 21 is produced be taken out of by this louvre 2611a.
See also shown in Figure 6ly, Fig. 6 is the three-dimensional combination figure of the utility model light emitting diode bulb the 3rd preferred embodiment; Wherein, the 3rd preferred embodiment of the utility model light emitting diode bulb is different with aforesaid second preferred embodiment be in, this base 28b of this light emitting diode bulb 2b is for meeting the fine arts projecting lamp of the general commercially available MR16 of meeting specification, it more comprises: at least one lead foot 283b, and this lead foot 283b does electric connection with this circuit board 27 within this base 28b, and by this circuit board 27 12 volts of external world input or 110～220 volts alternating voltage is converted to and to be fit to the DC voltage that this LED unit 21 operates.
See also shown in Fig. 7 A, 7B, the 7C, it is the LED unit cell arrangement schematic diagram of the utility model light emitting diode bulb; Wherein, a plurality of LED unit 21 space one predeterminable range and arrange with array way respectively is incorporated on this substrate 24, and the mode of its arrangement can be: microscler arrayed, square array arrange and circular array is arranged one of them.
See also shown in Fig. 7 D, Fig. 7 D is the substrate vertical view of the utility model light emitting diode bulb; Wherein, this LED unit 21 is to be positioned at this substrate 24a central position, this substrate 24a is provided with a plurality of fluting 241a by periphery toward these LED unit 21 directions of central authorities, to provide this circuit board 27 to utilize this lead 40 to be connected with this substrate 24a surface, go up this set LED unit 21 with this substrate 24a by this and do electric connection by this through hole 2211 that passes through its top 221 in this heating column 22 and by this fluting 241a place.
See also shown in Figure 8ly, Fig. 8 is the generalized section of the utility model light emitting diode bulb the 4th preferred embodiment; Wherein, the 4th preferred embodiment of the utility model light emitting diode bulb is different with aforesaid the 3rd preferred embodiment be in, this ring jacket 26c of this light emitting diode bulb 2c extends a buckle end 265c in the recessed rank 232c toward this in this opening 263c edge, and the predetermined position on this buckle end 265c is provided with a holddown groove 2651c and is incorporated into wherein with this block end 251c that this transparent cover body 25c is provided.This buckle end 265c more invests each other this radiating fin 231c with a projection 2652c embedding and is positioned at and one of is preset draw-in groove 2312c on this recessed rank 232c inwall.2621c place, this edge in this sidewall 262c of this ring jacket 26c below is provided with towards one of this radiating fin 231c direction 2622c of overhead kick portion, and is fixed in one of this radiating fin 231c periphery and colludes in the groove 2313c.
That is to say, this projection 2652c by this ring jacket 26c and the 2622c of this overhead kick portion fixes and be incorporated into this draw-in groove 2312c respectively and this colludes within the groove 2313c, and then make this ring jacket 26c give frame and enclose fixing with enclosing outside this radiating module 23c, and this block end 251c of this transparent cover body 25c can be fastened among this holddown groove 2651c of this ring jacket 26c simultaneously, and be inserted within this recessed rank 232c, combine with this radiating module 23c in the lump.
Be to be provided with one of expansion joint portion 223c outward in the 222c place, this bottom of this heating column 22c, and the predetermined position on the 223c of this joint portion is provided with a plurality of combined hole 2231c, and this joint portion 223c is just respectively in attached these card rank 2311c that is incorporated into this radiating fin 231c bottom of embedding.Then be respectively equipped with in this base 28c with this joint portion 223c on the corresponding a plurality of fixed connecting end 284c of this combined hole 2231c, and utilize this fixed connecting end 284c to be incorporated within this combined hole 2231c, make this base 28c be fixed on this bottom 222c of this heating column 22c.This fixed connecting end 284c can be a fixed screw or a trip both one of them.
In the utility model the 4th preferred embodiment, on this end face 261c of this ring jacket 26c, be provided with this louvre 2611c similar equally, and be surrounded on around this transparent cover body 25c with the 3rd preferred embodiment.This base 28c is provided with a conduction screw thread 282c outward and this circuit board 27 is electric connection person.This conduction screw thread 282c of this base 28c is the specification that constitutes the metal spiral adapter that meets general common traditional osram lamp.
See also shown in Figure 9ly, Fig. 9 is the generalized section of the utility model light emitting diode bulb the 5th preferred embodiment; Wherein, the 5th preferred embodiment of the utility model light emitting diode bulb is different with aforesaid the 4th preferred embodiment be in, this radiating fin 231d of this light emitting diode bulb 2d predetermined position around the 221c of this top of this heating column 22c is provided with protrusion one extension 2314d toward the projecting direction of this LED unit 21 respectively, and be suitable for and be assembled on the market in one of institute's common-use size lamp socket 50, make this extension 2314d of this radiating fin 231d can protrude from outside this lamp socket 50, reach the area of dissipation that increases this radiating fin 231d, to improve the purpose of its radiating efficiency.
This ring jacket 26d is also along with this extension 2314d profile of this radiating fin 231d is coated an extended loop 266d, this extended loop 266d extends into this ring jacket 26d to have one of drop the distance first end face 261d and one second end face 261d ', and this extended loop 266d dual-side is to be connected mutually with this first end face 261d and the second end face 261d ' are stepped respectively, this extension 2314d profile is coated simultaneously, and be provided with a plurality of heat extractions hole 2661d in this extended loop 266d and by this heat extraction hole 2661d heat taken out of outward outside this lamp socket 50 for this extension 2314d of this radiating fin 231d with this extended loop 266d.
This side 262d of this ring jacket 26d is roughly the same with the structure of this side 262c of the utility model the 4th preferred embodiment; Same, this transparent cover body 25d structure of this second end face 261d ' is this transparent cover body 25c structure roughly the same (please join shown in Figure 8) with this end face 261c of the utility model the 4th preferred embodiment, so in give unnecessary details no longer in detail herein.
This base 28d below is constituted by the lead foot 283d that meets the MR16 specification, and this lead foot 283d be by this base 28d outside within this base 28d, and do electric connection with this circuit board 27, carry out luminous so that extraneous this LED unit 21 of power drives of input to be provided.Then be respectively equipped with in this base 28d with this joint portion 223c on the corresponding a plurality of fixed connecting end 284d of this combined hole 2231c, and utilize this fixed connecting end 284d to be incorporated within this combined hole 2231c, make this base 28d be fixed on this bottom 222c of this heating column 22c.This fixed connecting end 284d can be a fixed screw or a trip both one of them.
See also shown in Figure 10ly, Figure 10 is the generalized section of the utility model light emitting diode bulb the 6th preferred embodiment; Wherein, the 6th preferred embodiment of the utility model light emitting diode bulb is different with aforesaid the 4th preferred embodiment be in, this transparent cover body 25e of this light emitting diode bulb 2e is the lampshade that is roughly half ellipse arc lid, the mode that the projection surface of its arc is handled via the diffusion cloudy surface, the effect that provides this LED unit 21 light that is throwed evenly to be reflected and has soft even light by this transparent cover body 25e.In this transparent cover body 25e lower, planar place be provided with this block end 251e with this holddown groove 2651c that is incorporated into this ring jacket 26c in.This transparent cover body 25e can be a hollow housing or a solid transmissive mirror body.
See also shown in Figure 11ly, Figure 11 is that the radiating module of the utility model light emitting diode bulb is implemented illustration; Wherein, this radiating fin 231f of this radiating module 23f more can be the sheet of curved bending, and closing encloses outside this heating column 22 and be at interval annular serial connection of vortex shape, and by this ring jacket 26 this radiating fin 231f external surrounding frame is enclosed.Because this radiating fin 231f of arc has further increased the area of dissipation of this radiating fin 231f, arrange serial connection with special vortex shape simultaneously and more help the heat that this LED unit 21 is produced is distributed, improve the radiating efficiency of this radiating module 23f by this.And the end respectively at this radiating fin 231f periphery is provided with arcuation bending 2311f, ensures that further the user is unlikely by the edge institute scratch of this radiating fin 231f when taking.
In sum, light emitting diode bulb 2 in the utility model first preferred embodiment, wherein, 21 of this LED unit are incorporated on this substrate 24, and be fixed on these formed these recessed rank 232 of radiating module 23 central authorities, this radiating module 23 is made up by a plurality of radiating fin 231, and closing is enclosed outside this heating column 22 and is radial interval annular serial connection.And the heat that this LED unit 21 is produced is to be passed to this heating column 22 by this substrate 24, and by this heating column 22 heat is discharged in extraneous person by this radiating module 23 that a plurality of radiating fins 231 that its surface contacted are constituted.
This ring jacket 26 is more to comprise: an end face 261 and a sidewall 262; This end face 261 is to be arranged on this radiating module 23 and to be provided with a plurality of louvres 2611, and central authorities are provided with an opening 263 and are concentric and corresponding with this transparent cover body 25, makes this sidewall 262 give frame cover and corral with enclosing outside this radiating module 23.These sidewall 262 edges in this ring jacket 26 are provided with at least one lug 264, after this sidewall 262 is with this radiating module 23 frames cover, be the central interval that utilizes these lug 264 bendings respectively and be embedded in two radiating fins 231, make this ring jacket 26 be fixed on this radiating module 23.
The circuit loop of this circuit board 27 is to reach the purpose of adjusting this LED unit 21 brightness increase and decrease by the control current's intensity.These base 28 outer conduction screw threads 282 that are provided with are done electric connection with this circuit board 27, and meet the specification of the metal spiral adapter of general common traditional osram lamp.This circuit board 27 is to combine with a gauge tap 30 by cable, and conversion time length with these gauge tap 30 Switching power signals, make the circuit loop circulation of this circuit board 27 produce a plurality of different brightness hop counts, and reach according to the hop count that is switched and to make the different luminous drive current intensity of this LED unit 21 changes, to cause the switching of multiple different brightness hop counts.
In second preferred embodiment, this ring jacket 26a can utilize the 2631a of this periphery place of this opening 263a to be covered on the periphery of this transparent cover body 25, bend respectively when being embedded in two radiating fins, 231 central intervals in this lug 264a of this ring jacket 26a, the compacting that makes this transparent cover body 25 further be subjected to this ring jacket 26a is fixed within these recessed rank 232, and be provided with in this end face 261a of this ring jacket 26a and be surrounded on a plurality of louvre 2611a that locate around this opening 263a, make this radiating fin 231 be able to the heat energy that this LED unit 21 is produced is taken out of.
In the 3rd preferred embodiment, this base 28b is for meeting the fine arts projecting lamp of the general commercially available MR16 of meeting specification, and it more comprises: at least one lead foot 283b, and this lead foot 283b is within this base 28b, and do electric connection with this circuit board 27.
In the 4th preferred embodiment, this ring jacket 26c extends a buckle end 265c in the recessed rank 232c toward this in this opening 263c edge, and the predetermined position on this buckle end 265c is provided with a holddown groove 2651c and is incorporated into wherein with this block end 251c that this transparent cover body 25c is provided.This buckle end 265c more invests each other this radiating fin 231c with a projection 2652c embedding and is positioned at and one of is preset draw-in groove 2312c on this recessed rank 232c inwall.2621c place, this edge in this sidewall 262c of this ring jacket 26c below is provided with towards one of this radiating fin 231c direction 2622c of overhead kick portion, and is fixed in one of this radiating fin 231c periphery and colludes in the groove 2313c.
Be to be provided with one of expansion joint portion 223c outward in the 222c place, this bottom of this heating column 22c, and this joint portion 223c just respectively embedding invest in these card rank 2311c of this radiating fin 231c bottom.Then be respectively equipped with in this base 28c with this joint portion 223c on the corresponding a plurality of fixed connecting end 284c of a plurality of combined hole 2231c, utilize this fixed connecting end 284c that this base 28c is incorporated within this combined hole 2231c.
In the 5th preferred embodiment, this radiating fin 231d predetermined position around this heating column 22d is provided with protrusion one extension 2314d toward the projecting direction of this LED unit 21 respectively, and this ring jacket 26d is also along with this extension 2314d profile of this radiating fin 231d is coated an extended loop 266d.This extended loop 266d extends into this ring jacket 26d to have one of the drop distance first end face 261d and one second end face 261d ' and steppedly be connected mutually, and is provided with a plurality of heat extractions hole 2661d in this extended loop 266d and with this extension 2314d that this radiating fin 231d is provided the heat that this LED unit 21 is produced is outwards shed.
In the 6th real preferable executing in the example, this transparent cover body 25e is the lampshade that is roughly half ellipse arc lid, the mode that the projection surface of its arc is handled via the diffusion cloudy surface provides this LED unit 21 by this transparent cover body 25e the light that is throwed to be spared anaclasis.This radiating fin 231f of this radiating module 23f more can be the sheet of curved bending, and closing encloses outside this heating column 22 and be at interval annular serial connection of vortex shape, and by this ring jacket 26 this radiating fin 231f frame is enclosed.
The above specific embodiment only is preferred embodiment of the present utility model, and it is illustrative for the utility model, and nonrestrictive.Those skilled in the art carries out conversion, modification even equivalence to it under the situation that does not exceed the utility model spirit and scope, these changes all can fall into claim protection domain of the present utility model.
Claims (10)
1. a light emitting diode bulb includes at least one LED unit; It is characterized in that, also comprise
One heating column, it is to be a tubular, and includes a top and a bottom, and is provided with at least one through hole in this top;
One radiating module, it is enclosed outside this heating column by a plurality of radiating fin closings and is radial interval annular and is connected in series, and this top end in this radiating fin closing in this heating column expands a predeterminable range outward, and the top that makes this radiating fin be surrounded on this heating column forms recessed rank that have identical axle center with this heating column;
At least one substrate, it provides this LED unit combination thereon, and is arranged on these formed these recessed rank of radiating fin central authorities;
At least one transparent cover body, it is to be positioned at these recessed rank of these radiating module central authorities and to cover on the LED unit;
One ring jacket, it comprises: an end face and a sidewall; This end face is to be arranged on the radiating module, and central authorities to be provided with an opening corresponding with this transparent cover body, and order is connected to enclose outside with this radiating module in this sidewall around this end face and gives frame cover and corral;
One circuit board comprises a circuit loop at least, and does electric connection by this through hole on this heating column with the LED unit that institute on this substrate combines; And
One base, it is to be a hollow housing, be to hold this circuit board in wherein, and be provided with a socket in the top, with the bottom of this heating column around this radiating fin interfix;
Wherein, this sidewall edge in this ring jacket is provided with at least one lug, after this ring jacket is with radiating module frame cover, be the central interval that utilizes this lug bending respectively and be embedded in two radiating fins, make this ring jacket be fixed on this radiating module.
2. light emitting diode bulb according to claim 1 is characterized in that, this transparent cover body be convex lens, concavees lens, level crossing or diffuser plate one of them; And the end face of this ring jacket is provided with a plurality of louvres, and be surrounded on this ring jacket opening part around; And the opening central authorities on this end face have same axle center with this transparent cover body, and this opening peripheral region is to be covered on the periphery of this transparent cover body; In addition, be provided with at least one block end around this transparent cover body, make this transparent cover body be fixed in these recessed rank of these radiating module central authorities.
3. light emitting diode bulb according to claim 1 is characterized in that, the end face of this ring jacket is provided with a plurality of louvres that are surrounded on this around openings place; And this ring jacket is to make with the mode of plastic rubber ejaculate molding, and its frame encloses and be attached to the outside of this radiating module, and the central interval of going deep into two adjacent radiating fins is respectively separated fixing.
4. light emitting diode bulb according to claim 1 is characterized in that, this base more comprises: at least one lead foot, and it is within this base, does electric connection with this circuit board; And this sidewall below of this ring jacket is provided with the overhead kick portion towards this radiating fin direction, and is fixed in one of this radiating fin periphery and colludes in the groove; And, this ring jacket extends a buckle end in this opening part in the recessed rank toward this, and the predetermined position on this buckle end is provided with a holddown groove and is incorporated into wherein with this block end that this transparent cover body is provided, and this buckle end more invests each this radiating fin with a projection embedding and is positioned at a default draw-in groove on this recessed rank inwall.
5. light emitting diode bulb according to claim 1, it is characterized in that, this place, bottom at this heating column is provided with a joint portion of expanding outward, and the predetermined position on this joint portion is provided with a plurality of combined holes, and this joint portion is just respectively in attached these card rank that are incorporated into this radiating fin bottom of embedding; And, then be respectively equipped with in this base and the corresponding a plurality of fixed connecting ends of this combined hole, and utilize this fixed connecting end to be incorporated within this combined hole, make this base be fixed in the bottom of this heating column; Wherein, this fixed connecting end is a fixed screw or a trip both one of them.
6. light emitting diode bulb according to claim 1, wherein, this radiating fin in this heating column top around predetermined position be provided with toward the projecting direction of this LED unit respectively and protrude an extension; And, this ring jacket is also along with this extension profile of this radiating fin is coated an extended loop, this extended loop is this ring jacket to be extended into have one of drop distance first end face and one second end face, and the dual-side of this extended loop is to be connected mutually with this first end face and second end face are stepped respectively, with this extended loop this extension profile is coated simultaneously; In addition, this extended loop is provided with a plurality of heat extractions hole and heat is taken out of outward by side with this extension that this radiating fin is provided.
7. light emitting diode bulb according to claim 1 is characterized in that, this transparent cover body is the lampshade for half ellipse arc lid, and the projection surface of its arc is spared anaclasis for the diffusion cloudy surface with the light that this LED unit is throwed.
8. light emitting diode bulb according to claim 1 is characterized in that, this radiating fin of this radiating module is the sheet of curved bending, and closing is enclosed outside this heating column and is at interval annular serial connection of vortex shape.
9. light emitting diode bulb according to claim 1, it is characterized in that, this light emitting diode bulb is to combine with a gauge tap by cable, and conversion time length with this gauge tap Switching power signal, make the circuit loop circulation of this circuit board produce a plurality of different brightness hop counts, and reach according to the hop count that is switched and to make the different luminous drive current intensity of this LED unit change.
10. light emitting diode bulb according to claim 9, it is characterized in that, the circuit loop of this circuit board is to include: an electromagnetic interference is prevented stop element, one voltage regulation unit, one voltage transformation unit, one rectification unit, one filter unit, one current adjustment unit, one current/voltage detecting unit, an and PMU, the anti-stop element of wherein said electromagnetic interference is and external control switch and power series, described voltage regulation unit is connected to the anti-stop element of described electromagnetic interference, described voltage transformation unit is serially connected with described voltage regulation unit, described rectification unit is serially connected with described voltage transformation unit, to through the power rectifier after the voltage transformation unit step-down power supply wave mode of positive half-wave, cooperate the filter unit be serially connected with behind the rectification unit to be converted into a successional dc source again, described rectification unit is connected to described current/voltage detecting unit by described current adjustment unit, and described current/voltage detecting unit is connected in described filter unit in addition and addresses the LED unit, and described PMU is to be connected between the input of described current/voltage detecting unit and described voltage transformation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201147342U CN201190980Y (en) | 2008-05-12 | 2008-05-12 | Light-emitting diode bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201147342U CN201190980Y (en) | 2008-05-12 | 2008-05-12 | Light-emitting diode bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190980Y true CN201190980Y (en) | 2009-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201147342U Expired - Fee Related CN201190980Y (en) | 2008-05-12 | 2008-05-12 | Light-emitting diode bulb |
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| Country | Link |
|---|---|
| CN (1) | CN201190980Y (en) |
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| CN101865379A (en) * | 2010-05-25 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Led lamp |
| CN101907240A (en) * | 2010-08-20 | 2010-12-08 | 深圳市灏天光电有限公司 | LED ball bulb |
| CN101929668A (en) * | 2010-10-07 | 2010-12-29 | 东莞市万丰纳米材料有限公司 | Radiating module |
| CN102155663A (en) * | 2011-04-13 | 2011-08-17 | 胡文松 | Sleeved-connection-type radiating structure of LED (light emitting diode) or SMDLED (surface mounted device light emitting diode) bulb and lamp fitting |
| CN102261578A (en) * | 2010-05-28 | 2011-11-30 | 深圳帝光电子有限公司 | Omnibearing three-dimensional quantizing light emitting device |
| CN103133921A (en) * | 2011-11-22 | 2013-06-05 | 日立空调·家用电器株式会社 | Lamp bulb-shaped lighting device |
| CN103307467A (en) * | 2012-03-14 | 2013-09-18 | 欧司朗股份有限公司 | Illuminating device |
| CN103511926A (en) * | 2013-09-25 | 2014-01-15 | 苏州东亚欣业节能照明有限公司 | LED spotlight |
| CN103929913A (en) * | 2014-04-28 | 2014-07-16 | 昆山佑翔电子科技有限公司 | Anti-interference magnetic ring |
| US8814397B2 (en) | 2009-02-09 | 2014-08-26 | Osram Gesellschaft Mit Beschraenkter Haftung | Cooling element for a lighting device |
| CN105202445A (en) * | 2015-10-22 | 2015-12-30 | 海宁索乐美光电有限公司 | High-temperature-resistant explosion-proof LED auto fog lamp |
| CN106195716A (en) * | 2015-04-29 | 2016-12-07 | 曜宇科技股份有限公司 | Many wave zones light fixture |
| CN106764523A (en) * | 2016-12-23 | 2017-05-31 | 中国铁道科学研究院通信信号研究所 | LED light source railway signal bulb and special lamp holder |
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| US8814397B2 (en) | 2009-02-09 | 2014-08-26 | Osram Gesellschaft Mit Beschraenkter Haftung | Cooling element for a lighting device |
| CN101865379A (en) * | 2010-05-25 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Led lamp |
| US8444300B2 (en) | 2010-05-25 | 2013-05-21 | Hon Hai Precision Industry Co., Ltd. | LED lamp |
| CN101865379B (en) * | 2010-05-25 | 2012-06-13 | 鸿富锦精密工业（深圳）有限公司 | Led lamp |
| CN102261578A (en) * | 2010-05-28 | 2011-11-30 | 深圳帝光电子有限公司 | Omnibearing three-dimensional quantizing light emitting device |
| CN101907240A (en) * | 2010-08-20 | 2010-12-08 | 深圳市灏天光电有限公司 | LED ball bulb |
| CN101929668B (en) * | 2010-10-07 | 2012-07-25 | 东莞市万丰纳米材料有限公司 | Radiating module |
| CN101929668A (en) * | 2010-10-07 | 2010-12-29 | 东莞市万丰纳米材料有限公司 | Radiating module |
| CN102155663A (en) * | 2011-04-13 | 2011-08-17 | 胡文松 | Sleeved-connection-type radiating structure of LED (light emitting diode) or SMDLED (surface mounted device light emitting diode) bulb and lamp fitting |
| CN103133921A (en) * | 2011-11-22 | 2013-06-05 | 日立空调·家用电器株式会社 | Lamp bulb-shaped lighting device |
| TWI503504B (en) * | 2011-11-22 | 2015-10-11 | Hitachi Appliances Inc | Lamp type lighting device |
| CN103307467B (en) * | 2012-03-14 | 2017-04-26 | 欧司朗股份有限公司 | Illuminating device |
| CN103307467A (en) * | 2012-03-14 | 2013-09-18 | 欧司朗股份有限公司 | Illuminating device |
| CN103511926A (en) * | 2013-09-25 | 2014-01-15 | 苏州东亚欣业节能照明有限公司 | LED spotlight |
| CN103929913A (en) * | 2014-04-28 | 2014-07-16 | 昆山佑翔电子科技有限公司 | Anti-interference magnetic ring |
| CN106195716A (en) * | 2015-04-29 | 2016-12-07 | 曜宇科技股份有限公司 | Many wave zones light fixture |
| CN105202445A (en) * | 2015-10-22 | 2015-12-30 | 海宁索乐美光电有限公司 | High-temperature-resistant explosion-proof LED auto fog lamp |
| CN106764523A (en) * | 2016-12-23 | 2017-05-31 | 中国铁道科学研究院通信信号研究所 | LED light source railway signal bulb and special lamp holder |
| CN106764523B (en) * | 2016-12-23 | 2024-01-26 | 中国铁道科学研究院通信信号研究所 | Railway signal bulb with LED light source and special lamp holder |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20130512 |