CN202946975U - Heat dissipation LED module and LED down lamp - Google Patents

Heat dissipation LED module and LED down lamp Download PDF

Info

Publication number
CN202946975U
CN202946975U CN201220661888XU CN201220661888U CN202946975U CN 202946975 U CN202946975 U CN 202946975U CN 201220661888X U CN201220661888X U CN 201220661888XU CN 201220661888 U CN201220661888 U CN 201220661888U CN 202946975 U CN202946975 U CN 202946975U
Authority
CN
China
Prior art keywords
module
radiator
led
lampshade
heat dissipation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201220661888XU
Other languages
Chinese (zh)
Inventor
宗金华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Kingsun Optoelectronic Co Ltd
Original Assignee
Dongguan Kingsun Optoelectronic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Kingsun Optoelectronic Co Ltd filed Critical Dongguan Kingsun Optoelectronic Co Ltd
Priority to CN201220661888XU priority Critical patent/CN202946975U/en
Application granted granted Critical
Publication of CN202946975U publication Critical patent/CN202946975U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to the technical field of LED illumination lamps and lanterns, in particular to a heat dissipation LED module and an LED down lamp. The radiator of the heat dissipation LED module is provided with an inner closed type convection heat dissipation channel and an outer open type convection heat dissipation channel; the inner closed type convection heat dissipation channel is communicated with a module lens through hole and an aluminum substrate through hole in optical engines; the radiator with the structure not only reinforces the heat dissipation effect of the LED module, but also reduces self weight, and saves cost of manufacturing materials; the heat dissipation LED module is directly assembled between a power supply module and a lampshade, and an annular hole is formed between the upper opening of the lampshade and the optical engine and is communicated with the outer open type convection heat dissipation channel; heat quantity generated at the periphery of the optical engines enters the outer open type convection heat dissipation channel through the annular hole to directly flow into air; and through convection heat dissipation of inner and outer channels, the heat dissipation balance and efficiency are greatly increased, and a heat island effect generated by local overheating is avoided.

Description

A kind of cooling LED module and LED Down lamp
Technical field
The present invention relates to the LED field of illumination lamp technology, refer in particular to a kind of cooling LED module and LED Down lamp.
Background technology
Along with the development of lighting engineering, various light fixtures are constantly weeded out the old and bring forth the new.The LED Down lamp has been widely applied to a lot of occasions with plurality of advantages such as its energy-saving and environmental protection, still, how the LED Down lamp is carried out the difficult point that better heat radiation becomes LED Down lamp lighting engineering.
Have single radiator or the radiator of employing to add fan in the LED Down lamp of prior art, radiator adds that fan can increase cost, and needs extra power supply.And existing single radiator adopts heat conduction and heat leakage mode usually, strengthens heat radiation by the contact area that increases fin and extraneous air.But this radiating mode can't solve the tropical island effect of the part heat radiation high temperature of thermal source contact, easily causes heat radiation bad.Also there is the structure that adopts heat loss through convection to dispel the heat by cross-ventilation, but, the radiator of existing convection heat dissipation structure is to adopt some road sealing heat dissipation channels, caloric requirement is dispelled the heat outward by the shell of radiator, and heat easily is gathered in the heat dissipation channel of sealing and is difficult to be dispersed in air rapidly.
The utility model content
The object of the invention is to provide for the deficiencies in the prior art that a kind of cost is low, the cooling LED module of good heat dissipation effect, production and assembly and the maintenance of light fixture are convenient in the modularized design of this LED module.
Another object of the present invention be for the deficiencies in the prior art provide a kind of lightweight, cost is low, the LED Down lamp of good heat dissipation effect, internal and external channel heat loss through convection.
For achieving the above object, a kind of cooling LED module of the present invention, comprise: radiator and light engine, described radiator comprise that a cavity and longitudinal separation distribute and be connected to some radiation ribs of tin cavity outside, and the both ends of the surface opening of cylinder cavity communicates and forms inside enclosed heat loss through convection passage; Form open outer heat loss through convection passage between the adjacent radiation rib in interval;
Described light engine includes module lens, aluminium base and is arranged at several LED of aluminium base, the center of module lens offers the module lens through hole, the center of aluminium base offers the aluminium base through hole, described aluminium base through hole and the corresponding connection mutually of module lens through hole;
Described light engine is arranged at the bottom face of radiator, the module lens through hole in light engine and aluminium base through hole all with radiator in inside enclosed heat loss through convection channel connection.
As preferably, the printing opacity outer face of described module lens is planar structure, and one-body molded in the inner chamber of described module lens have several optical lenses, and several LED on described aluminium base are corresponding one by one with described several optical lenses respectively.
As preferably, all by arranging perpendicular to cylinder cavity end face direction, the height of described some radiation ribs is consistent with the height of described cylinder cavity for some radiation ribs in described radiator, and the two ends of radiation rib are concordant with the both ends of the surface of described cavity respectively.
As preferably, be distributed with some circular radiating muscle on the inwall of described inside enclosed heat loss through convection passage.
As preferably, described radiator is locked by long spiro nail with light engine and is connected.
As preferably, the number of described optical lens is at least 3.
For achieving the above object, a kind of LED Down lamp of the present invention comprises power supply module and lampshade, is connected with described cooling LED module between described power supply module and lampshade;
Described power supply module includes the LED control circuit board of external power supply, and the power supply module is arranged on the top end face of radiator, and the LED control circuit board in the power supply module is electrically connected to light engine;
The upper shed internal diameter of the described lampshade that is connected with the cooling LED module greater than the light engine external diameter less than the radiator external diameter; The upper shed gap of lampshade is connected with the bottom surface of radiator after being socketed in light engine outside, forms looping pit between the upper shed of lampshade and light engine, described looping pit and open outer heat loss through convection channel connection.
As preferably, be folded with left brace and right brace between described lampshade and radiator, left brace and right brace are by the corresponding screw of bottom screw locking in the radiator bottom, and left brace and right brace pass through the top screw locking in the corresponding screw of lampshade.
As preferably, the top of described radiation rib is provided with the draw-in groove that the power supply source module is pegged graft, and the power supply module is plugged in radiator by described draw-in groove.
As preferably, described left brace is connected with left U-shaped torsion spring, and the U-shaped Extension support of left U-shaped torsion spring is pressed on lampshade under shed edge; Be connected with right U-shaped torsion spring on described right brace, the U-shaped Extension support of right U-shaped torsion spring is pressed on lampshade under shed edge.
Beneficial effect of the present invention: a kind of cooling LED module, radiator is provided with inside enclosed heat loss through convection passage and open outer heat loss through convection passage, inside enclosed heat loss through convection passage is communicated with module lens through hole and aluminium base through hole in light engine, the radiator of this structure not only strengthens the radiating effect of LED module, also alleviate own wt, save the cost of making radiator material.
a kind of LED Down lamp, the cooling LED module directly is assemblied between power supply module and lampshade, form looping pit between the upper shed of lampshade and light engine, looping pit and open outer heat loss through convection channel connection, the heat that the light engine peripheral part produces enters perfectly straight the connecing of open outer heat loss through convection by looping pit and is by convection in air, the heat that the light engine middle part produces is loose in air by the opening of radiator by inside enclosed heat loss through convection passage, by inside and outside heat loss through convection, harmony and the radiating efficiency of heat radiation have greatly been increased, the tropical island effect of avoiding hot-spot to produce.The present invention is directly outside exposed with radiator, makes heat radiation more direct.
Description of drawings
Fig. 1 is the structural representation of cooling LED module of the present invention.
Fig. 2 is the structural representation of radiator cross section of the present invention.
Fig. 3 is the decomposing schematic representation of light engine of the present invention.
Fig. 4 is the perspective exploded view of LED Down lamp of the present invention.
Fig. 5 is the cross-sectional view of LED Down lamp of the present invention.
Fig. 6 is the perspective view of LED Down lamp of the present invention.
Fig. 7 is the bottom surface structure schematic diagram of LED Down lamp of the present invention.
Fig. 8 is the side structure schematic diagram of LED Down lamp of the present invention.
Reference numeral comprises:
10-power supply module, 11-LED control circuit board, 12-inserting column
20-radiator 21-cylinder cavity 22-radiation rib
23-inside enclosed heat loss through convection passage 24-open outer heat loss through convection passage
25-circular radiating muscle, 26-draw-in groove, 30-light engine
31-module lens, 311-module lens through hole, 312-optical lens
32-aluminium base, 321-aluminium base through hole, 33-LED
40-lampshade, 41-upper shed, 42-looping pit
51-left brace 52-right brace, 61-bottom screw
62-top screw 71-left U-shaped torsion spring 72-right U-shaped torsion spring
80-long spiro nail.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As extremely shown in Figure 8 in Fig. 1, a kind of cooling LED module of the present invention, comprise: radiator 20 and light engine 30, described radiator 20 comprises that a cavity 21 and longitudinal separation distribution are connected to the some radiation ribs 22 of a cavity 21 outsides, and the both ends of the surface opening of cylinder cavity 21 communicates and forms inside enclosed heat loss through convection passage 23; Form open outer heat loss through convection passage 24 between the adjacent radiation rib 22 in interval.
Described light engine 30 includes module lens 31, aluminium base 32 and is arranged at several LED 33 of aluminium base 32, the center of module lens 31 offers module lens through hole 311, the center of aluminium base 32 offers aluminium base through hole 321, described aluminium base through hole 321 and the mutual corresponding connection of module lens through hole 311; Described light engine 30 is fixedly connected on the bottom face of radiator 20, and the module lens through hole 311 in light engine 30 and aluminium base through hole 321 are communicated with inside enclosed heat loss through convection passage 23 in radiator 20 respectively.
The printing opacity outer face of the module lens 31 of the present embodiment is planar structure, and one-body molded in the inner chamber of described module lens 31 have several optical lenses 312, and several LED 33 on described aluminium base 32 are corresponding one by one with described several optical lenses 312 respectively.
Some radiation ribs 22 in the radiator 20 of the present embodiment are all by arranging perpendicular to cylinder cavity 21 end face directions, the height of described some radiation ribs 22 is consistent with the height of described cylinder cavity 21, and the two ends of radiation rib 22 are concordant with the both ends of the surface of described cylinder cavity 21 respectively.
Be distributed with some circular radiating muscle 25 on the inwall of the inside enclosed heat loss through convection passage 23 of the present embodiment.
The radiator 20 of the present embodiment is locked by long spiro nail 80 with light engine 30 and is connected.
The number of the optical lens 312 of the present embodiment is 6.
The radiator 20 of cooling LED module of the present invention is provided with inside enclosed heat loss through convection passage 23 and open outer heat loss through convection passage 24, inside enclosed heat loss through convection passage 23 is communicated with module lens through hole 311 and aluminium base through hole 321 in light engine 30, the heat that light engine 30 produces is dispersed in air by above-mentioned passage, strengthens the radiating effect of LED module; Radiator 20 structural designs of the present invention are alleviated own wt, save the cost of making radiator 20 materials.
Cooling LED module of the present invention is external with power supply module 10, adopts modularization assembling, is convenient to assembling production and the maintenance of light fixture.
The present invention also provides a kind of LED Down lamp, comprises power supply module 10 and lampshade 40, is connected with described cooling LED module between described power supply module 10 and lampshade 40.The lampshade 40 of the present embodiment adopts up-narrow and down-wide tubaeform design.
Described power supply module 10 includes the LED control circuit board 11 of external power supply, and power supply module 10 is arranged on the top end face of radiator 20, and the LED control circuit board 11 in power supply module 10 is electrically connected to light engine 30;
The internal diameter of the upper shed 41 of the described lampshade 40 that is connected with the cooling LED module greater than light engine 30 external diameters less than radiator 20 external diameters; The external diameter of light engine 30 makes light engine 30 peripheral spaces communicate with the open outer heat loss through convection passage 24 of radiator 20 less than the external diameter of radiator 20; Upper shed 41 gaps of lampshade 40 are connected with the bottom surface of radiator 20 after being socketed in light engine 30 outside, formation looping pit 42 between the upper shed 41 of lampshade 40 and light engine 30, and described looping pit 42 is communicated with open outer heat loss through convection passage 24.
During use, LED Down lamp of the present invention is realized the inner air and outer air vertical convection by the inside enclosed heat loss through convection passage 23 that cylinder cavity 21 forms, and the heat that part in light engine 30 is produced is loose in air; Simultaneously, the heat of light engine 30 surroundings enters open outer heat loss through convection passage 24 by looping pit 42 and is by convection in air, by inside and outside heat loss through convection, has greatly increased harmony and the radiating efficiency of heat radiation, the tropical island effect of avoiding hot-spot to produce.The present invention is directly outside exposed with radiator 20, makes heat radiation more direct.
In addition, several circular radiating muscle 25 that distribute on the inside enclosed heat loss through convection passage 23 in radiator 20 have been strengthened the effect of the heat radiation of radiator 20.
Be folded with left brace 51 and right brace 52 between the lampshade 40 of the present embodiment and radiator 20, left brace 51 and right brace 52 lock onto the corresponding screw of radiator 20 bottoms by bottom screw 61, left brace 51 and right brace 52 lock onto the corresponding screw of lampshade 40 by top screw 62.
Described left brace 51 is connected with left U-shaped torsion spring 71, and the U-shaped Extension support of left U-shaped torsion spring 71 is pressed on lampshade 40 under shed edges; Be connected with right U-shaped torsion spring 72 on described right brace 52, the U-shaped Extension support of right U-shaped torsion spring 72 is pressed on lampshade 40 under shed edges.
The cross section of the present embodiment power supply module 10 and the cross section of radiator 20 are onesize round-shaped, the top of radiation rib 22 is provided with the draw-in groove 26 that power supply source module 10 is pegged graft, the inserting column 12 of power supply module 10 bottoms is plugged in radiator 20 by described draw-in groove 26, but power supply module 10 rapid-assemblings are convenient to assembling production and the maintenance of light fixture in the cooling LED module.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.

Claims (10)

1. cooling LED module, comprise: radiator and light engine, it is characterized in that: described radiator comprises that a cavity and longitudinal separation distribute and is connected to some radiation ribs of tin cavity outside, and the both ends of the surface opening of cylinder cavity communicates and forms inside enclosed heat loss through convection passage; Form open outer heat loss through convection passage between the adjacent radiation rib in interval;
Described light engine includes module lens, aluminium base and is arranged at several LED of aluminium base, the center of module lens offers the module lens through hole, the center of aluminium base offers the aluminium base through hole, described aluminium base through hole and the corresponding connection mutually of module lens through hole;
Described light engine is arranged at the bottom face of radiator, the module lens through hole in light engine and aluminium base through hole all with radiator in inside enclosed heat loss through convection channel connection.
2. cooling LED module according to claim 1, it is characterized in that: the printing opacity outer face of described module lens is planar structure, one-body molded in the inner chamber of described module lens have several optical lenses, and several LED on described aluminium base are corresponding one by one with described several optical lenses respectively.
3. cooling LED module according to claim 1, it is characterized in that: some radiation ribs in described radiator are all by arranging perpendicular to cylinder cavity end face direction, the height of described some radiation ribs is consistent with the height of described cylinder cavity, and the two ends of radiation rib are concordant with the both ends of the surface of described cylinder cavity respectively.
4. cooling LED module according to claim 1, is characterized in that: be distributed with some circular radiating muscle on the inwall of described inside enclosed heat loss through convection passage.
5. cooling LED module according to claim 1, it is characterized in that: described radiator is locked by long spiro nail with light engine and is connected.
6. cooling LED module according to claim 2, it is characterized in that: the number of described optical lens is at least 3.
7. a LED Down lamp, comprise power supply module and lampshade, it is characterized in that: be connected with cooling LED module as described in claim 1 ~ 6 any one between described power supply module and lampshade;
Described power supply module includes the LED control circuit board of external power supply, and the power supply module is arranged on the top end face of radiator, and the LED control circuit board in the power supply module is electrically connected to light engine;
The upper shed internal diameter of the described lampshade that is connected with the cooling LED module greater than the light engine external diameter less than the radiator external diameter; The upper shed gap of lampshade is connected with the bottom surface of radiator after being socketed in light engine outside, forms looping pit between the upper shed of lampshade and light engine, described looping pit and open outer heat loss through convection channel connection.
8. LED Down lamp according to claim 7, it is characterized in that: be folded with left brace and right brace between described lampshade and radiator, left brace and right brace are by the corresponding screw of bottom screw locking in the radiator bottom, and left brace and right brace pass through the top screw locking in the corresponding screw of lampshade.
9. LED Down lamp according to claim 7 is characterized in that: the top of described radiation rib is provided with the draw-in groove that the power supply source module is pegged graft, and the power supply module is plugged in radiator by described draw-in groove.
10. LED Down lamp according to claim 8, it is characterized in that: described left brace is connected with left U-shaped torsion spring, and the U-shaped Extension support of left U-shaped torsion spring is pressed on lampshade under shed edge; Be connected with right U-shaped torsion spring on described right brace, the U-shaped Extension support of right U-shaped torsion spring is pressed on lampshade under shed edge.
CN201220661888XU 2012-12-05 2012-12-05 Heat dissipation LED module and LED down lamp Expired - Fee Related CN202946975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220661888XU CN202946975U (en) 2012-12-05 2012-12-05 Heat dissipation LED module and LED down lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220661888XU CN202946975U (en) 2012-12-05 2012-12-05 Heat dissipation LED module and LED down lamp

Publications (1)

Publication Number Publication Date
CN202946975U true CN202946975U (en) 2013-05-22

Family

ID=48422675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201220661888XU Expired - Fee Related CN202946975U (en) 2012-12-05 2012-12-05 Heat dissipation LED module and LED down lamp

Country Status (1)

Country Link
CN (1) CN202946975U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954386A (en) * 2012-12-05 2013-03-06 东莞勤上光电股份有限公司 Radiating LED (Light Emitting Diode) module and LED down lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954386A (en) * 2012-12-05 2013-03-06 东莞勤上光电股份有限公司 Radiating LED (Light Emitting Diode) module and LED down lamp

Similar Documents

Publication Publication Date Title
KR20150086225A (en) universal-led-bulb construction method, clamping-ring-structured led bulb, and led lamp
CN103912798A (en) Large-angle light-emitting breathing type heat-radiation LED bulb
CN102767712A (en) LED (Light-Emitting Diode) lamp with ducted convection radiating channel
CN202992702U (en) Optical module
CN102853295B (en) Down lamp capable of dissipating heat through convection of inner passage and outer passage
CN202203807U (en) LED down lamp and lamp body thereof
CN202946975U (en) Heat dissipation LED module and LED down lamp
CN102954386A (en) Radiating LED (Light Emitting Diode) module and LED down lamp
CN201944634U (en) Bulb type light emitting diode (LED) lamp with heat radiation structure
CN201827748U (en) Combined cylindrical LED lamp
CN203927664U (en) A kind of Novel LED panel lamp
CN202629736U (en) LED (Light-Emitting Diode) lamp with culvert type convection radiating channel
CN202902035U (en) Lamp
CN203190364U (en) Double-channel cross-ventilation lamp radiation structure and PAR lamp using same
CN202361134U (en) Led lamp
CN202938057U (en) Tube lamp capable of conducting convection radiating through inner-outer channel
CN203309552U (en) Breathing type heat dissipation LED lamp bulb with large-angle luminescence
CN203115592U (en) Light-emitting diode (LED) light-emitting structure with wide angle and high luminance
CN202203905U (en) LED (light emitting diode) cylinder lamp and lamp body thereof
CN202747065U (en) LED (Light-Emitting Diode) lamp bulb capable of rapidly radiating heat
CN202349959U (en) Heat-dissipation lamp cup of LED lamp
CN201547532U (en) Combined column-shaped LED lamp
CN203907552U (en) Lamp heat sink and LED mining lamp
CN203215630U (en) Heat radiating structure of streetlamp
CN203258414U (en) Energy-saving lamp

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130522

Termination date: 20151205