CN202452201U - LED lamp bulb - Google Patents

LED lamp bulb Download PDF

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Publication number
CN202452201U
CN202452201U CN2012200273024U CN201220027302U CN202452201U CN 202452201 U CN202452201 U CN 202452201U CN 2012200273024 U CN2012200273024 U CN 2012200273024U CN 201220027302 U CN201220027302 U CN 201220027302U CN 202452201 U CN202452201 U CN 202452201U
Authority
CN
China
Prior art keywords
cover
led
substrate
light source
source assembly
Prior art date
Application number
CN2012200273024U
Other languages
Chinese (zh)
Inventor
李阳
Original Assignee
浙江阳光照明电器集团股份有限公司
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Priority to CN2012200273024U priority Critical patent/CN202452201U/en
Application granted granted Critical
Publication of CN202452201U publication Critical patent/CN202452201U/en

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Abstract

The utility model discloses an LED (Light Emitting Diode) lamp bulb, which comprises a lamp cap, an upper cover, a lower cover, a power supply driver, a metal radiator, an LED light source component, a reflection sheet and a transparent cover, wherein, the bottom part of the upper cover is connected with the top part of the lower cover, and the surrounded space defined by the upper cover and the lower cover can form a driver holding cavity; the power supply driver is arranged in the driver holding cavity; the bottom part of the lower cover is connected with the metal radiator; the metal radiator mainly comprises a baseplate, an upper heat dissipation component and a lower heat dissipation component; the upper heat dissipation component is arranged on the upper surface of the baseplate; and the lower heat dissipation component is arranged on the lower surface of the baseplate. The LED lamp bulb has the advantages as follows: the lower cover is positioned between the power supply driver and the metal radiator to achieve the function of isolating the power supply driver from the metal radiator, so that the safety performance can be improved effectively; in addition, the upper heat dissipation component and the lower heat dissipation component adopt a hollow polyhedron structure, so that heat quantity generated by an LED can be effectively transferred from the lower heat dissipation component of the hollow polyhedron structure to the upper heat dissipation component of the hollow polyhedron structure and then can be dissipated outwards, and the radiating effect is improved.

Description

A kind of LED bulb
Technical field
The utility model relates to a kind of LED semiconductor lighting equipment, especially relates to a kind of LED bulb.
Background technology
The LED lamp is as light source of new generation, characteristics such as volume is little, efficient is high, long service life that it has.The luminous component of traditional LED bulb places the cell-shell of sealing usually, has so greatly influenced the heat dispersion of lamp body.At present, common LED bulb mainly is made up of lamp holder, plastic lamp base, power supply driver, metal heat sink, led light source assembly and diffuser, and lamp holder is connected with the top of plastic lamp base; The bottom of plastic lamp base and metal heat sink snapping, power supply driver is arranged in the metal heat sink, though the more traditional LED bulb of the heat dispersion of this LED bulb has obtained certain improvement; But still have much room for improvement; Therefore LED power is difficult to do greatly, and light output is low, is difficult to satisfy customer requirement; Be arranged in the metal heat sink owing to power supply driver on the other hand, so security performance is not high.
Summary of the invention
The utility model technical problem to be solved provide a kind of simple in structure, security performance is high, the LED bulb of good heat dissipation effect.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of LED bulb; Comprise lamp holder, last cover, following cover, power supply driver, metal heat sink, led light source assembly, reflecting piece and translucent cover; Described lamp holder is connected with described top of going up cover; It is characterized in that a driver storing of the space formation chamber that described bottom of upward covering is connected with the described top of cover down and surrounds; Described power supply driver is arranged at described driver and puts in the chamber, and the described bottom of cover down is connected with described metal heat sink, described metal heat sink mainly by substrate, be arranged at the last radiating subassembly on the upper surface of described substrate and the following radiating subassembly that is arranged on the lower surface of described substrate is formed; Described substrate is provided with axially extending bore; The described radiating subassembly of going up mainly is made up of the upper surface circle distribution and the mutual disjunct radiating block of the described substrate in a plurality of edges, and the axis of the length direction of described radiating block and the radius of described substrate parallel, and the space between the described radiating block constitutes radiating area; Described radiating area is connected with described axially extending bore; Described radiating subassembly down mainly is made up of the lower surface circle distribution and the mutual disjunct fin of the described substrate in a plurality of edges, and the front surface of described fin is outside, and the space that surrounds between the back of the body surface of described fin constitutes the heat radiation chamber; Described heat radiation chamber is connected with described axially extending bore; Gap between the side of described fin constitutes heat dissipation channel, and described heat dissipation channel is connected with described heat radiation chamber, and described led light source assembly is connected on the front surface of described fin; Described reflecting piece is connected on the described led light source assembly; The reflective surface of described reflecting piece is outside, and described translucent cover is connected between the bottom of described substrate and described fin, and described translucent cover covers described reflecting piece and described led light source assembly.
The manufacturing materials that described cover down adopts is an insulating materials; Described cover down mainly is made up of with the base plate that is connected with the bottom of described housing housing; The top of described housing is connected with described bottom of going up cover, and described base plate is connected with described metal heat sink.
The medial surface of described base plate is provided with a plurality of insulation feets, and described power supply driver is placed on the described insulation feet.
Be provided with first fixing lug boss to extending below on the described base plate with fixing hole; Extend upward on the described substrate and be provided with second fixing lug boss with fixing hole; The position of described first fixing lug boss is corresponding with the position of described second fixing lug boss; Be connected with securing member in the fixing hole of the fixing hole of described first fixing lug boss and described second fixing lug boss jointly, described base plate is fixedly connected with described substrate through described securing member.
The height sum of the height of described first fixing lug boss and described second fixing lug boss is more than or equal to the height of described radiating block.
The two side ends of described fin is connected with side plate respectively; The front surface of described fin and two a light source assembly storing of space formation chambeies that described side plate surrounds; Described led light source assembly is positioned at described light source assembly and puts the chamber, and two blocks of contiguous described side plates do not link to each other mutually.
The outside end face of described side plate is an arcwall face, and the inner surface of described translucent cover is an arcwall face, and the inner surface of described translucent cover contacts with the outside end face of described side plate.
The bottom of described fin stretches out and is provided with flange, and the two ends of described flange are connected with the bottom of described side plate, and the bottom of described reflecting piece and described flange inner face be apical grafting mutually.
Be provided with the locking through hole on the described substrate vertically; Described locking through hole puts the chamber with described light source assembly respectively and described radiating area is connected; The inside top of described translucent cover is provided with the Access Division, matches with described locking through hole in described Access Division.
The reflective surface of described reflecting piece is provided with the highly reflecting films layer; Run through its reflective surface and the back side on the described reflecting piece and be provided with and be used for the spacing hole that matches with the LED of described led light source assembly, the LED of described led light source assembly passes described spacing hole and is connected with described reflecting piece.
Compared with prior art, the advantage of the utility model is:
1, power supply driver being placed in the driver that is surrounded by last cover and following cover puts in the chamber; Make down cover between power supply driver and metal heat sink; The effect of having played insulating power supply driver and metal heat sink and having installed and fixed; Because power supply driver and metal heat sink are isolated fully, therefore can effectively improve security performance.
2, since the last radiating subassembly of metal heat sink by a plurality of polyhedral structures of forming and form hollow along the upper surface circle distribution and the mutual disjunct radiating block of substrate; The following radiating subassembly of metal heat sink is by a plurality of polyhedral structures of forming and form hollow along the lower surface circle distribution and the mutual disjunct fin of substrate; Therefore the following radiating subassembly heat of the heat that can be effectively LED be produced through the hollow polyhedron structure is transmitted in the last radiating subassembly of hollow polyhedron structure outwards dispels the heat; Area of dissipation is bigger; Utilize the inner hot-air of metal heat sink convection current discharge metal heat sink up and down again, realized the lamp body quick heat radiating, improved radiating effect; Not only prolong the service life of LED bulb, and be beneficial to the heat radiation of high-power LED.
Description of drawings
Fig. 1 is the overall structure sketch map of the LED bulb of the utility model;
Fig. 2 is the decomposition texture sketch map of the LED bulb of the utility model;
Fig. 3 is the structural representation one of metal heat sink of the LED bulb of the utility model;
Fig. 4 is the structural representation two of metal heat sink of the LED bulb of the utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
A kind of LED bulb that the utility model proposes, as shown in the figure, it comprise lamp holder 1, on cover 2, cover 4 down, power supply driver 3, metal heat sink 5, led light source assembly 6, reflecting piece 7 and translucent cover 8; Lamp holder 1 is connected with the screw top of last cover 2, on cover that 2 bottom is connected with the top of cover 4 down and the space that surrounds constitutes a driver and puts chamber 31, power supply driver 3 is arranged in the driver storing chamber 31; Form the protection of insulation, safety; Cover 4 bottom down and be connected with metal heat sink 5, metal heat sink 5 mainly by substrate 51, be arranged at the last radiating subassembly 52 on the upper surface of substrate 51 and the following radiating subassembly 53 that is arranged on the lower surface of substrate 51 is formed, substrate 51 is provided with axially extending bore 511; Last radiating subassembly 52 mainly is made up of a plurality of upper surface circle distribution and mutual disjunct radiating blocks 521 along substrate 51; The radius of the axis of the length direction of radiating block 521 and substrate 51 parallels, and the space between the radiating block 521 constitutes radiating area 522, and radiating area 522 is connected with axially extending bore 511; Following radiating subassembly 53 mainly is made up of four lower surface circle distribution and mutual disjunct fin 531 along substrate 51; The front surface of fin 531 is outside, and the space that surrounds between the back of the body surface of four fin 531 constitutes heat radiation chamber 532, and heat radiation chamber 532 is connected with axially extending bore 511; Gap between the side of fin 531 constitutes heat dissipation channel 533; Heat dissipation channel 533 is connected with heat radiation chamber 532, and led light source assembly 6 is connected on the front surface of fin 531, and reflecting piece 7 is connected on the led light source assembly 6; The reflective surface of reflecting piece 7 is outside; Translucent cover 8 is connected between the bottom of substrate 51 and fin 531, and translucent cover 8 covers reflecting piece 7 and led light source assembly 6, and led light source assembly 6 is connected with power supply driver 3.At this, after power supply driver 3 is fixed, can be connected with led light source assembly 6 earlier, also can earlier the following cover 4 that fixes power supply driver 3 be connected with last cover 2, flexible for installation.At this, heat dissipation channel 533, heat radiation chamber 532 are connected with radiating area 522, can form cross-ventilation up and down.
In this specific embodiment; Under cover 4 and adopt insulating materials to process; Because the power supply driver 3 built-in inside of cover 4 down of being fixed in; And following cover 4 adopts insulating materials to process, and therefore the mode of this employing insulating materials insulating power supply driver 3 is placed in the mode in the cavity of metal heat sink than power supply driver, and is safer.
In this specific embodiment, following cover 4 mainly is made up of the base plate 42 that housing 41 is connected with bottom with housing 41, and the top of housing 41 is connected with the bottom of last cover 2, and base plate 42 is connected with metal heat sink 5.At this, on cover 2 and can adopt common plastics to process, on cover 2 and housing 41 between adopt the buckle mode to be fastened and connected.
In this specific embodiment, the medial surface of base plate 42 is provided with a plurality of insulation feets 43, and power supply driver 3 is placed on the insulation feet 43, can make power supply driver 3 better with the isolation effect of metal heat sink 5 like this.
In this specific embodiment; Be provided with first fixing lug boss 44 to extending below on the base plate 42 with fixing hole; Extend upward on the substrate 51 and be provided with second fixing lug boss 512 with fixing hole; The position of first fixing lug boss 44 is corresponding with the position of second fixing lug boss 512, is connected with securing member 45 jointly in the fixing hole of the fixing hole of first fixing lug boss 44 and second fixing lug boss 512, and base plate 42 is fixedly connected with substrate 51 through securing member 45.At this, securing member 45 adopts screw etc., and the base plate 42 of following cover 4 is fixedly connected with metal heat sink 5 through screw, compares with the snapping mode of metal heat sink with the plastic lamp base in the existing LED bulb, and is safer, more firm; In actual design process; Can the height of first fixing lug boss 44 and the height sum of second fixing lug boss 512 be designed to the height more than or equal to radiating block 521; When the height sum of the height of first fixing lug boss 44 and second fixing lug boss 512 during greater than the height of radiating block 521, area of dissipation also increases accordingly.
In this specific embodiment; The two side ends of fin 531 is connected with side plate 534 respectively, the front surface of fin 531 and two a light source assembly storing of space formation chambeies 535 that side plate 534 surrounds, and led light source assembly 6 is positioned at light source assembly and puts chamber 535; Two blocks of contiguous side plates 534 do not link to each other mutually; The outside end face of side plate 534 is an arcwall face, and the inner surface of translucent cover 8 is an arcwall face, and the inner surface of translucent cover 8 contacts with the outside end face of side plate 534; The bottom of fin 531 stretches out and is provided with flange 536, and the two ends of flange 536 are connected with the bottom of side plate 534, and the medial surface of the bottom of reflecting piece 7 and flange 536 is apical grafting mutually.
In this specific embodiment; Be provided with locking through hole 513 on the substrate 51 vertically; Locking through hole 513 is put chamber 535 with light source assembly respectively and is connected with radiating area 522; The inside top of translucent cover 8 is provided with Access Division 81, matches with locking through hole 513 in Access Division 81, and the heat that the LED of led light source assembly 6 produces is transmitted in the radiating area 522 through locking through hole 513 and outwards distributes.
In this specific embodiment; Process translucent cover 8 through adopting the high transparent material of light transmittance; And the highly reflecting films layer is set on the reflective surface of reflecting piece 7, can further improve the luminous efficiency of LED, with the purpose of the high safety that realizes the LED bulb, long-life, high light efficiency; Run through its reflective surface and the back side on the reflecting piece 7 and be provided with and be used for the spacing hole 71 that matches with the LED of led light source assembly 6, the LED of led light source assembly 6 passes spacing hole 71 and is connected with reflecting piece 7.
In this specific embodiment, led light source assembly 6 comprises holder 61 and LED 62, and LED 62 is fixed on the holder 61, and holder 61 is provided with two sheet metals 63 that are connected with two pins of LED 62 respectively, and sheet metal 63 is connected with power supply driver 3.
In this specific embodiment, the profile of this LED bulb can be designed to candle or circle or mushroom-shaped or olive shape with it according to consumer demand.

Claims (10)

1. LED bulb; Comprise lamp holder, last cover, following cover, power supply driver, metal heat sink, led light source assembly, reflecting piece and translucent cover; Described lamp holder is connected with the described top of covering of going up, and it is characterized in that a driver storing of the space formation chamber that described bottom of upward covering is connected with the described top of cover down and surrounds, and described power supply driver is arranged in the described driver storing chamber; The described bottom of cover down is connected with described metal heat sink; Described metal heat sink mainly by substrate, be arranged at the last radiating subassembly on the upper surface of described substrate and the following radiating subassembly that is arranged on the lower surface of described substrate is formed, described substrate is provided with axially extending bore, the described radiating subassembly of going up mainly is made up of the upper surface circle distribution and the mutual disjunct radiating block of the described substrate in a plurality of edges; The axis of the length direction of described radiating block and the radius of described substrate parallel; Space between the described radiating block constitutes radiating area, and described radiating area is connected with described axially extending bore, and described radiating subassembly down mainly is made up of the lower surface circle distribution and the mutual disjunct fin of the described substrate in a plurality of edges; The front surface of described fin is outside; The space that surrounds between the back of the body surface of described fin constitutes the heat radiation chamber, and described heat radiation chamber is connected with described axially extending bore, and the gap between the side of described fin constitutes heat dissipation channel; Described heat dissipation channel is connected with described heat radiation chamber; Described led light source assembly is connected on the front surface of described fin, and described reflecting piece is connected on the described led light source assembly, and the reflective surface of described reflecting piece is outside; Described translucent cover is connected between the bottom of described substrate and described fin, and described translucent cover covers described reflecting piece and described led light source assembly.
2. a kind of LED bulb according to claim 1; It is characterized in that the manufacturing materials that described cover down adopts is an insulating materials; Described cover down mainly is made up of with the base plate that is connected with the bottom of described housing housing; The top of described housing is connected with described bottom of going up cover, and described base plate is connected with described metal heat sink.
3. a kind of LED bulb according to claim 2 is characterized in that the medial surface of described base plate is provided with a plurality of insulation feets, and described power supply driver is placed on the described insulation feet.
4. according to claim 2 or 3 described a kind of LED bulbs; It is characterized in that being provided with first fixing lug boss to extending below on the described base plate with fixing hole; Extend upward on the described substrate and be provided with second fixing lug boss with fixing hole; The position of described first fixing lug boss is corresponding with the position of described second fixing lug boss; Be connected with securing member in the fixing hole of the fixing hole of described first fixing lug boss and described second fixing lug boss jointly, described base plate is fixedly connected with described substrate through described securing member.
5. a kind of LED bulb according to claim 4, the height sum of height and described second fixing lug boss that it is characterized in that described first fixing lug boss is more than or equal to the height of described radiating block.
6. according to each described a kind of LED bulb in the claim 1 to 3; The two side ends that it is characterized in that described fin is connected with side plate respectively; The front surface of described fin and two a light source assembly storing of space formation chambeies that described side plate surrounds; Described led light source assembly is positioned at described light source assembly and puts the chamber, and two blocks of contiguous described side plates do not link to each other mutually.
7. a kind of LED bulb according to claim 6, the outside end face that it is characterized in that described side plate is an arcwall face, and the inner surface of described translucent cover is an arcwall face, and the inner surface of described translucent cover contacts with the outside end face of described side plate.
8. a kind of LED bulb according to claim 7; The bottom that it is characterized in that described fin stretches out and is provided with flange; The two ends of described flange are connected with the bottom of described side plate, and the bottom of described reflecting piece and described flange inner face be apical grafting mutually.
9. a kind of LED bulb according to claim 8; It is characterized in that being provided with vertically on the described substrate locking through hole; Described locking through hole puts the chamber with described light source assembly respectively and described radiating area is connected; The inside top of described translucent cover is provided with the Access Division, matches with described locking through hole in described Access Division.
10. a kind of LED bulb according to claim 9; The reflective surface that it is characterized in that described reflecting piece is provided with the highly reflecting films layer; Run through its reflective surface and the back side on the described reflecting piece and be provided with and be used for the spacing hole that matches with the LED of described led light source assembly, the LED of described led light source assembly passes described spacing hole and is connected with described reflecting piece.
CN2012200273024U 2012-01-20 2012-01-20 LED lamp bulb CN202452201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200273024U CN202452201U (en) 2012-01-20 2012-01-20 LED lamp bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200273024U CN202452201U (en) 2012-01-20 2012-01-20 LED lamp bulb

Publications (1)

Publication Number Publication Date
CN202452201U true CN202452201U (en) 2012-09-26

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Application Number Title Priority Date Filing Date
CN2012200273024U CN202452201U (en) 2012-01-20 2012-01-20 LED lamp bulb

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563429A (en) * 2012-01-20 2012-07-11 浙江阳光照明电器集团股份有限公司 LED bulb
CN103148394A (en) * 2013-03-19 2013-06-12 江苏索尔光电科技有限公司 LED (Light-Emitting Diode) bulb lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563429A (en) * 2012-01-20 2012-07-11 浙江阳光照明电器集团股份有限公司 LED bulb
CN103148394A (en) * 2013-03-19 2013-06-12 江苏索尔光电科技有限公司 LED (Light-Emitting Diode) bulb lamp

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AV01 Patent right actively abandoned

Granted publication date: 20120926

Effective date of abandoning: 20140312