CN202791508U - LED (Light Emitting Diode) bulb with high light efficiency - Google Patents
LED (Light Emitting Diode) bulb with high light efficiency Download PDFInfo
- Publication number
- CN202791508U CN202791508U CN201220464946XU CN201220464946U CN202791508U CN 202791508 U CN202791508 U CN 202791508U CN 201220464946X U CN201220464946X U CN 201220464946XU CN 201220464946 U CN201220464946 U CN 201220464946U CN 202791508 U CN202791508 U CN 202791508U
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- light source
- circuit board
- led
- reflector
- connecting rod
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Abstract
The utility model discloses an LED (Light Emitting Diode) bulb with high light efficiency. A lamp cap, a radiation shell, a light source assembly and a lampshade covered on the light source assembly are arranged in turn from bottom to top. The LED bulb further comprises a driving power supply arranged in the radiation shell and electrically connected with the light source assembly; the light source assembly comprises a circuit board with an LED light source, a reflection cup located under the circuit board, and a connection rod penetrated through the circuit board and the reflection cup and used for fixedly connecting the circuit board with the reflection cup; the reflection cup is shaped as a reversed bowl; reflection layers are arranged on external surfaces of the reflection cup and the connection rod; and the LED light source is arranged on a lower end face of the circuit board and used for lighting the reflection cup. In this way, the LED light source irradiates downwards and the reflection cup is arranged under the LED light source, so that lights irradiating to the reflection cup are reflected to irradiate all around and the lower side of the LED bulb; the lights are reasonably distributed; most of the lights downwards illuminate the exercise area of people in high light efficiency, so that effects of energy conservation and environmental friendliness are achieved.
Description
Technical field
The utility model relates to a kind of LED bulb, particularly a kind of LED bulb of high light efficiency.
Background technology
At present, LED lamp pearl is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so the LED bulb as light source with LED occurred.Generally speaking, the LED bulb is installed on the lamp socket of light fixture, light fixture generally is installed in eminence, and the luminous intensity distribution design in the existing LED bulb generally to be led light source shine up or to around irradiation, like this, the light that led light source sends mainly concentrates on the position of the eminence of mounted lamp, but the zone of light fixture below is only the zone of people's action need light, thus, the light of LED bulb illuminates the underside zone more difficultly, can not carry out rationally effectively distribution and cause the brightness of bulb lower zone low light, the light efficiency utilization rate is low, does not reach the effect of energy-conserving and environment-protective.
Therefore, how to realize that the rational LED bulb of a kind of high light efficiency and luminous intensity distribution is the technical problem that needs to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present utility model provides a kind of LED bulb, be intended to realize a kind of high light efficiency, luminous intensity distribution rationally, assembly and disassembly LED bulb easily.
The utility model proposes a kind of LED bulb of high light efficiency, from bottom to top be provided with successively lamp holder, heat-dissipating casing, light source assembly and be located at the outer lampshade of light source assembly, also comprise the driving power of being located in the heat-dissipating casing and being electrically connected with light source assembly, light source assembly comprises a circuit board with led light source, one is positioned at the reflector of circuit board below, one connecting rod that runs through circuit board and reflector and circuit board and reflector are connected and fixed, reflector is the bowl-shape of back-off, the outer surface of reflector and connecting rod is equipped with reflector layer, and led light source is located at the lower surface of circuit board and is shone to the reflector direction.
Preferably, heat-dissipating casing comprises a radiating seat and is bolted in the heat dissipating ring of radiating seat upper end, radiating seat medial surface upper end position place radially is extended with a cover plate that offsets with connecting rod, the heat dissipating ring upper end open outside is provided with annular breach, reflector places the heat dissipating ring upper end, the reflector lower end be provided with the justified margin of heat dissipating ring upper surface along the limit, the medial surface at lampshade lower ending opening place is provided with annular slot, annular slot and annular breach, adaptive and mutually connect and fix along the limit.
Preferably, connecting rod is divided into shank portion, head portion that diameter is less than shank portion, head portion is provided with external screw thread, the center position of circuit board is provided with the first through hole adaptive with the head portion of connecting rod and that supply head portion to pass, and head portion is spirally connected fixing with a nut that is positioned at the circuit board upper surface after passing circuit board; The center position of reflector is provided with the second through hole adaptive with the shank portion of connecting rod and that supply shank portion to pass; The diameter of corresponding position that is fixed in the diameter of circuit board of connecting rod top ends office and lampshade is adaptive, and the cover plate that the connecting rod shank portion is then passed behind the reflector with radiating seat offsets.
Preferably, radiating seat, heat dissipating ring, connecting rod are integrated formed structure separately, and make by the thermally conductive materials aluminium.
Preferably, the radiating seat lateral surface vertically is provided with some vent ribs equably.
Preferably, radiating seat inside is the cavity structure adaptive with driving power, and adaptive the placing in the cavity structure and with cover plate of driving power fits tightly.
Preferably, led light source is LED lamp pearl, and the scope that arranges of LED lamp pearl is 3 to 6.
Preferably, lampshade is made by light transmissive material.
Preferably, lamp holder comprises lamp holder inner bag and lamp holder enclosing cover, and lamp holder inner bag upper end is fixing by being spirally connected with the radiating seat lower end.
The LED bulb of a kind of high light efficiency of the utility model, from bottom to top be provided with successively lamp holder, heat-dissipating casing, light source assembly and be located at the outer lampshade of light source assembly, also comprise the driving power of being located in the heat-dissipating casing and being electrically connected with light source assembly, light source assembly comprises a circuit board with led light source, one is positioned at the reflector of circuit board below, one connecting rod that runs through circuit board and reflector and circuit board and reflector are connected and fixed, reflector is the bowl-shape of back-off, the outer surface of reflector and connecting rod is equipped with reflector layer, and led light source is located at the lower surface of circuit board and is shone to the reflector direction.The utility model has changed traditional light-configuration mode to the LED bulb, some led light sources are located at equably the lower surface of circuit board, make led light source in respectively irradiation down of all directions, and be provided with at the led light source lower position and be the bowl-shape reflector of back-off to increase the irradiating angle of light, be provided with reflector layer at the reflector outer surface, light shines and reflection all occurs to reaching the irradiation of LED bulb below all around on the reflector, like this, the light part that led light source of the present utility model sends shines directly into the zone of bulb below, some reflexes to all around or the bulb lower zone by reflector, light has been carried out rational distribution, most of light has all illuminated people's zone of action down, the light that makes whole LED bulb form a solid reaches the illuminator that the below is shone towards all around, luminous intensity distribution is reasonable, light efficiency is high, has reached the effect of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the stereochemical structure decomposing schematic representation of an embodiment of the LED bulb of a kind of high light efficiency of the utility model;
Fig. 2 is the cutaway view Amplified image of an embodiment of the LED bulb of a kind of high light efficiency of the utility model;
Fig. 3 is the enlarged drawing of A part among Fig. 2;
Fig. 4 is the stereochemical structure enlargement decomposition of light source assembly among the embodiment of LED bulb of a kind of high light efficiency of the utility model.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 4, one embodiment of the LED bulb of a kind of high light efficiency of the present utility model is proposed, from bottom to top be provided with successively lamp holder, heat-dissipating casing, light source assembly and be located at the outer lampshade 400 of light source assembly, also comprise the driving power 500 of being located in the heat-dissipating casing and being electrically connected with light source assembly, light source assembly comprises a circuit board 301 with led light source, one is positioned at the reflector 303 of circuit board 301 belows, one connecting rod 304 that runs through circuit board 301 and reflector 303 and circuit board 301 and reflector 303 are connected and fixed, reflector 303 is the bowl-shape of back-off, the outer surface of reflector 303 and connecting rod 304 is equipped with reflector layer, and led light source is located at the lower surface of circuit board 301 and is shone to reflector 303 directions.Led light source is LED lamp pearl 302, and the scope that arranges of LED lamp pearl 302 is 3 to 6, and present embodiment is provided with 4 LED lamp pearls 302 at circuit board 301.
Generally speaking, the LED bulb is installed on the lamp socket of light fixture, light fixture generally is installed in eminence, and the luminous intensity distribution design in the existing LED bulb generally to be led light source shine up or to around irradiation, like this, the light that led light source sends mainly concentrates on the position of the eminence of mounted lamp, but the zone of light fixture below is only the zone of people's action need light, thus, the light of LED bulb illuminates the underside zone more difficultly, can not carry out rationally effectively distribution and cause the brightness of bulb lower zone low light, the light efficiency utilization rate is low, does not reach the effect of energy-conserving and environment-protective.
The utility model has changed traditional light-configuration mode to the LED bulb, some LED lamp pearls 302 are located at equably the lower surface of circuit board 301, make LED lamp pearl 302 in respectively irradiation down of all directions, and be provided with at LED lamp pearl 302 lower positions and be the bowl-shape reflector of back-off 303 to increase the irradiating angle of light, be provided with reflector layer at reflector 303 outer surfaces, light shines and reflection all occurs to reaching the irradiation of LED bulb below all around on the reflector 303, like this, the light part that LED lamp pearl 302 of the present utility model sends shines directly into the zone of bulb below, some reflexes to all around or the bulb lower zone by reflector 303, light has been carried out rational distribution, most of light has all illuminated people's zone of action down, the light that makes whole LED bulb form a solid reaches the illuminator that the below is shone towards all around, luminous intensity distribution is reasonable, light efficiency is high, has reached the effect of energy-conserving and environment-protective.
In addition, connecting rod 304 outer surfaces that are connected and fixed circuit board 301 and reflector 303 also are provided with reflector layer, and the light reflection that shines on the connecting rod 304 is gone out, and the light utilization is more abundant, further improves light efficiency.
Heat-dissipating casing comprises a radiating seat 202 and is bolted in the heat dissipating ring 201 of radiating seat 202 upper ends, radiating seat 202 medial surface upper end position places radially are extended with a cover plate 203 that offsets with connecting rod 304, the heat dissipating ring 201 upper end open outside is provided with annular breach 204, reflector 303 places heat dissipating ring 201 upper ends, reflector 303 lower ends be provided with the justified margin of heat dissipating ring 201 upper surfaces along the limit 310, the medial surface at lampshade 400 lower ending opening places is provided with annular slot 401, annular slot 401 and annular breach 204,310 adaptive and mutually connect and fix along the limit.Like this, can connect and fix by above-mentioned simple structure between radiating seat 202, heat dissipating ring 201, reflector 303 and the lampshade 400, do not need bonding agent, assembly and disassembly is convenient, cost is low, the parts excellent interchangeability can repeat installation and removal, thereby makes things convenient for the internal component to the LED bulb to carry out maintenance and inspection.
Radiating seat 202, heat dissipating ring 201, connecting rod 304 are integrated formed structure separately, and make by the thermally conductive materials aluminium.Radiating seat 202 lateral surfaces vertically are provided with some vent ribs 205 equably.The aluminium heat dispersion is good and be integrated formed structure, do not adopt the bonding agent that intercepts radiating effect, can fast and effeciently heat be delivered in the air, in addition, radiating seat 202 lateral surfaces vertically are provided with some vent ribs 205 equably, have greatly improved the contact area with extraneous air, further improve radiating efficiency, effectively prevent the serious problem of LED lamp pearl 302 light decays, prolonged the service life of LED bulb.
Radiating seat 202 inside are the cavity structure 206 adaptive with driving power 500, and driving power 500 adaptive placing in the cavity structure 206 and with cover plate 203 fit tightly.Help heat with driving power 500 to be delivered to as soon as possible on the radiating seat 202 and be delivered in the extraneous air.In addition, driving light source is located at radiating seat 202 inside, makes LED bulb outward appearance succinct, attractive in appearance.
Connecting rod 304 is divided into shank portion 305, the diameter head portion 306 less than shank portion 305, head portion 306 is provided with external screw thread, the center position of circuit board 301 is provided with the first through hole 307 adaptive with the head portion 306 of connecting rod 304 and that pass for head portion 306, and head portion 306 is spirally connected fixing with a nut 308 that is positioned at circuit board 301 upper surfaces after passing circuit board 301; The center position of reflector 303 is provided with the second through hole 309 adaptive with the shank portion 305 of connecting rod 304 and that pass for shank portion 305; The diameter of corresponding position that is fixed in the diameter of circuit board 301 at connecting rod 304 head portions 306 places and lampshade 400 is adaptive, and 305 of connecting rod 304 shank portion are passed behind the reflector 303 and the cover plates 203 of radiating seat 202 offset.Such structure can know that the position of connecting rod 304 is fixed.Form firm structure between the cover plate 203 of circuit board 301, connecting rod 304, reflector 303, radiating seat 202, assembly and disassembly is convenient, can repeat installation and removal, can check easily or keep in repair, and owing to do not adopt bonding agent, the equal recoverable of most of parts in the scrap products, energy-conserving and environment-protective.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (9)
1. the LED bulb of a high light efficiency, from bottom to top be provided with successively lamp holder, heat-dissipating casing, light source assembly and be located at the outer lampshade of described light source assembly, also comprise the driving power of being located in the described heat-dissipating casing and being electrically connected with described light source assembly, it is characterized in that, described light source assembly comprises a circuit board with led light source, one is positioned at the reflector of described circuit board below, one connecting rod that runs through described circuit board and described reflector and described circuit board and described reflector are connected and fixed, described reflector is the bowl-shape of back-off, the outer surface of described reflector and described connecting rod is equipped with reflector layer, and described led light source is located at the lower surface of described circuit board and is shone to described reflector direction.
2. the LED bulb of a kind of high light efficiency according to claim 1, it is characterized in that, described heat-dissipating casing comprises a radiating seat and is bolted in the heat dissipating ring of described radiating seat upper end, described radiating seat medial surface upper end position place radially is extended with a cover plate that offsets with described connecting rod, the described heat dissipating ring upper end open outside is provided with annular breach, described reflector places described heat dissipating ring upper end, described reflector lower end be provided with the justified margin of described heat dissipating ring upper surface along the limit, the medial surface at described lampshade lower ending opening place is provided with annular slot, described annular slot and described annular breach, adaptive and mutually connect and fix along the limit.
3. the LED bulb of a kind of high light efficiency according to claim 2, it is characterized in that, described connecting rod is divided into shank portion, head portion that diameter is less than described shank portion, described head portion is provided with external screw thread, the center position of described circuit board is provided with the first through hole adaptive with the head portion of described connecting rod and that supply described head portion to pass, and described head portion is spirally connected fixing with a nut that is positioned at described circuit board upper surface after passing described circuit board; The center position of described reflector is provided with the second through hole adaptive with the shank portion of described connecting rod and that supply described shank portion to pass; The diameter of corresponding position that is fixed in the diameter of circuit board of described connecting rod top ends office and described lampshade is adaptive, and the cover plate that described connecting rod shank portion is then passed behind the described reflector with described radiating seat offsets.
4. according to claim 2 or the LED bulb of 3 described a kind of high light efficiencies, it is characterized in that described radiating seat, heat dissipating ring, connecting rod are integrated formed structure separately, and make by the thermally conductive materials aluminium.
5. the LED bulb of a kind of high light efficiency according to claim 4 is characterized in that, described radiating seat lateral surface vertically is provided with some vent ribs equably.
6. the LED bulb of a kind of high light efficiency according to claim 5 is characterized in that, described radiating seat inside is the cavity structure adaptive with described driving power, and adaptive the placing in the described cavity structure and with described cover plate of described driving power fits tightly.
7. the LED bulb of a kind of high light efficiency according to claim 6 is characterized in that, described led light source is LED lamp pearl, and the scope that arranges of LED lamp pearl is 3 to 6.
8. the LED bulb of a kind of high light efficiency according to claim 7 is characterized in that, described lampshade is made by light transmissive material.
9. the LED bulb of a kind of high light efficiency according to claim 8 is characterized in that, described lamp holder comprises lamp holder inner bag and lamp holder enclosing cover, and described lamp holder inner bag upper end is fixing by being spirally connected with described radiating seat lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220464946XU CN202791508U (en) | 2012-09-13 | 2012-09-13 | LED (Light Emitting Diode) bulb with high light efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220464946XU CN202791508U (en) | 2012-09-13 | 2012-09-13 | LED (Light Emitting Diode) bulb with high light efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791508U true CN202791508U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220464946XU Expired - Fee Related CN202791508U (en) | 2012-09-13 | 2012-09-13 | LED (Light Emitting Diode) bulb with high light efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162140A (en) * | 2013-03-14 | 2013-06-19 | 深圳市中电照明股份有限公司 | Light-emitting diode (LED) lamp reversely emitting light |
| WO2015081625A1 (en) * | 2013-12-06 | 2015-06-11 | 史杰 | Downward-emitting led lamp |
-
2012
- 2012-09-13 CN CN201220464946XU patent/CN202791508U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162140A (en) * | 2013-03-14 | 2013-06-19 | 深圳市中电照明股份有限公司 | Light-emitting diode (LED) lamp reversely emitting light |
| WO2015081625A1 (en) * | 2013-12-06 | 2015-06-11 | 史杰 | Downward-emitting led lamp |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170913 |