CN203615108U - LED (light emitting diode) bulb - Google Patents
LED (light emitting diode) bulb Download PDFInfo
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- CN203615108U CN203615108U CN201320665327.1U CN201320665327U CN203615108U CN 203615108 U CN203615108 U CN 203615108U CN 201320665327 U CN201320665327 U CN 201320665327U CN 203615108 U CN203615108 U CN 203615108U
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- driving power
- led
- led lamp
- lamp beads
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED (light emitting diode) bulb, which comprises a lamp head, a heat radiation case and a lampshade in sequential connection. The LED bulb is characterized in that a driving power supply and an aluminum base plate are respectively arranged in an inner cavity of the heat radiation case, the driving power supply adopts a high-voltage constant current chip, a plurality of high-voltage LED lamp beads are arranged on the aluminum base plate, the driving power supply is electrified for controlling the LED lamp beads, a temperature control module is arranged on the driving power supply, and when the use temperature of the LED lamp beads reaches the set value, the output current can be automatically reduced by the driving power supply. The LED bulb has the advantages that the driving power supply adopts the high-voltage constant current chip, in addition, no electrolytic capacitor is adopted, meanwhile, the temperature control module is arranged on the driving power supply, the current is output to the high-voltage LED lamp beads in an automatic control way, and the service lives of the LED lamp beads and the driving power supply are effectively guaranteed; in addition, the high-voltage LED lamp beads are used, when the high-voltage lamp beads are compared with the LED beads with the same power, the use current of the high-voltage lamp beads is 6 percent of that of the ordinary LED lamp beads, in addition, the power generating quantity is a little lower than that of the ordinary LED lamp beads, the attenuation speed is lower, and the service life is longer.
Description
Technical field
The utility model relates to a kind of LED bulb, belongs to lighting technical field.
Background technology
Lighting bulb is widely used in the occasions such as urban road, garden, aisle, garage, office space, public place, brings many facilities to people's life.Conventional lighting bulb, its type comprises osram lamp, fluorescent lamp and LED bulb etc., wherein the advantage such as LED bulb, safety efficient because having, energy-saving and environmental protection, life-span length, fast response time, becomes most widely used lighting bulb gradually.At present, some LED bulbs on the market, are only to form at the direct sheathed lampshade in the periphery of LED, affected the light extraction efficiency of LED, and its radiating effect are not good, have greatly shortened the service life of light fixture.Also there is recently the LED bulb of follow-on high cooling efficiency, as disclosed in Chinese patent 200420083451.8LED lighting device to be arranged on multiple low power LED on the LED lamp plate lighting device as light source, the brightness of this low-power LED a little less than, light efficiency is lower, and light decay does not comparatively fast reach the requirement of normal illumination.And the LED bulb of Chinese patent 200620013512.2 disclosed high cooling efficiencies, if it adopts great power LED is light source, its radiator will be less than normal so, can not well deal with problems.
Utility model content
The purpose of this utility model aims to provide the LED bulb of a kind of simple in structure, good heat dissipation effect, long service life, to overcome weak point of the prior art.
By a kind of LED bulb of this object design, comprise the lamp holder, heat-dissipating casing and the lampshade that connect successively, its architectural feature is that the inner chamber of heat-dissipating casing is respectively arranged with driving power and aluminium base, wherein driving power adopts high voltage and constant current chip, aluminium base is provided with several high-voltage LED lamp pearls, and LED lamp pearl is controlled in driving power energising.
On described driving power, be provided with temperature control module, when the serviceability temperature of LED lamp pearl reaches after setting value, driving power can reduce output current automatically.
The rated voltage of described LED lamp pearl is 55V.
The lateral wall of described heat-dissipating casing is evenly equipped with several radiating fins, and corresponding radiating fin has the radiating groove communicating with heat-dissipating casing inner chamber on the sidewall of heat-dissipating casing; The inner chamber of described heat-dissipating casing also arranges metal fin, and metal fin is aluminium radiator fin.
Described radiating groove is arranged on the top edge of radiating fin, the 1/4-1/2 that its length is radiating fin.
Described heat-dissipating casing adopts riveted joint or is threaded with lamp holder, and lamp holder is screw socket or buckle lamp holder.Described heat-dissipating casing employing is high temperature resistant, flame retardant plastics is made.
Driving power of the present utility model adopts high voltage and constant current chip, and no electrolytic capacitor, meanwhile, is provided with temperature control module on driving power, automatically controls high-voltage LED lamp pearl output current, the service life of effective guarantee LED lamp pearl and driving power; In addition, use high-voltage LED lamp pearl, the LED lamp pearl of contrast equal-wattage, using electric current is 6% of common LED lamp pearl electric current, and caloric value is lower than common, and it is slow that the rate of decay is wanted, and the life-span will be grown.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the decomposition texture schematic diagram of an embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to Fig. 1-Fig. 2, a kind of LED bulb, comprises the lamp holder 1, heat-dissipating casing 2 and the lampshade 3 that connect successively, and the inner chamber of heat-dissipating casing 2 is respectively arranged with driving power 4 and aluminium base 5, and wherein driving power 4 adopts high voltage and constant current chip; And no electrolytic capacitor, therefore driving power is simplified very much, and compared with other common driving, can there be 30% lifting in the life-span of driving power; Aluminium base 5 is provided with several high-voltage LED lamp pearls 6, and LED lamp pearl 6 is controlled in driving power 4 energisings.Common LED lamp pearl 6 is 3.2v, uses 55V high-voltage LED lamp pearl 6, the LED of contrast equal-wattage, and using electric current is 6% of common LED electric current, and caloric value is lower than common, and it is slow that the rate of decay is wanted, and the life-span will be grown.
On driving power 4, be provided with temperature control module, when the serviceability temperature of LED lamp pearl 6 reaches after setting value, driving power 4 can reduce output current automatically, thereby ensures the life-span of LED lamp pearl 6 and driving power 4.Reduce because of bulb temperature too high, and the problem causing, thus make bulb use saferly.
The lateral wall of heat-dissipating casing 2 is evenly equipped with several radiating fins 2.1, and corresponding radiating fin 2.1 has the radiating groove 2.2 communicating with heat-dissipating casing 2 inner chambers on the sidewall of heat-dissipating casing 2; The inner chamber of heat-dissipating casing 2 also arranges metal fin (not marking in figure), and metal fin is aluminium radiator fin.Radiating groove 2.2 is arranged on the top edge of radiating fin 2.1, and its length is the 1/4-1/2 of radiating fin 2.1.Good Design of ventilation, dispels the heat outstanding.Heat-dissipating casing 2 adopts and is threaded with lamp holder 1, and lamp holder 1 is screw socket.That heat-dissipating casing 2 adopts is high temperature resistant, flame retardant plastics is made, and avoids Danger Electric shock risk.Heat-dissipating casing 2 is provided with groove, and lampshade 3 embeds in groove; Lampshade 3 is globe holder, and the generous light-dispersing effect of good looking appearance is good.
When assembling, first LED lamp pearl 6 is arranged on aluminium base 5, is then fixed in the lump on the inner chamber of heat-dissipating casing 2 together with driving power 4, then it is fastening that heat-dissipating casing 2 and lamp holder 2 are spirally connected, and finally knocks lampshade 3.
The utility model is not only limited to above-mentioned example, and in essential scope of the present utility model, variation, remodeling, increase or the replacement made, also belong to protection domain of the present utility model.
Claims (6)
1. a LED bulb, comprise the lamp holder (1), heat-dissipating casing (2) and the lampshade (3) that connect successively, the inner chamber that it is characterized in that heat-dissipating casing is respectively arranged with driving power (4) and aluminium base (5), wherein driving power adopts high voltage and constant current chip, aluminium base is provided with several high-voltage LED lamp pearls (6), and LED lamp pearl is controlled in driving power energising;
Described driving power is provided with temperature control module on (4), and when the serviceability temperature of LED lamp pearl (6) reaches after setting value, driving power can reduce output current automatically.
2. LED bulb according to claim 1, the rated voltage that it is characterized in that described LED lamp pearl (6) is 55V.
3. LED bulb according to claim 2, the lateral wall that it is characterized in that described heat-dissipating casing (2) is evenly equipped with several radiating fins (2.1), and corresponding radiating fin has the radiating groove (2.2) communicating with heat-dissipating casing inner chamber on the sidewall of heat-dissipating casing; The inner chamber of described heat-dissipating casing also arranges metal fin, and metal fin is aluminium radiator fin.
4. LED bulb according to claim 3, is characterized in that described radiating groove (2.2) is arranged on the top edge of radiating fin (2.1), the 1/4-1/2 that its length is radiating fin.
5. LED bulb according to claim 4, is characterized in that described heat-dissipating casing (2) adopts riveted joint or is threaded with lamp holder (1), and lamp holder is screw socket or buckle lamp holder.
6. LED bulb according to claim 5, is characterized in that described heat-dissipating casing (2) adopts high temperature resistant, flame retardant plastics to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665327.1U CN203615108U (en) | 2013-10-25 | 2013-10-25 | LED (light emitting diode) bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665327.1U CN203615108U (en) | 2013-10-25 | 2013-10-25 | LED (light emitting diode) bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203615108U true CN203615108U (en) | 2014-05-28 |
Family
ID=50767751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665327.1U Expired - Fee Related CN203615108U (en) | 2013-10-25 | 2013-10-25 | LED (light emitting diode) bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203615108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555697A (en) * | 2020-11-30 | 2021-03-26 | 广东迈亮科技有限公司 | LED bulb |
-
2013
- 2013-10-25 CN CN201320665327.1U patent/CN203615108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555697A (en) * | 2020-11-30 | 2021-03-26 | 广东迈亮科技有限公司 | LED bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |