CN201448624U - Passive heat rejection type LED lamp - Google Patents
Passive heat rejection type LED lamp Download PDFInfo
- Publication number
- CN201448624U CN201448624U CN2009200478944U CN200920047894U CN201448624U CN 201448624 U CN201448624 U CN 201448624U CN 2009200478944 U CN2009200478944 U CN 2009200478944U CN 200920047894 U CN200920047894 U CN 200920047894U CN 201448624 U CN201448624 U CN 201448624U
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- led lamp
- radiating
- heat extraction
- passive heat
- extraction formula
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A passive heat rejection type LED lamp adopts the structure that a casing is made into a ring-shaped hollow radiating seat, a plurality of radiating fins are arranged on the outer surface of the casing, hot air produced after the lightening and the operation of at least one LED module has convection through the holes, namely a plurality of first radiating openings on a base, a first radiating opening on a reflect lens, and a plurality of second radiating open pores and second radiating openings on a lampshade, to enable hot flue to be led out of the lamp, thereby achieving the purpose of heat dissipation. Compared with the traditional lamp radiating structure, the utility model has notably improved heat radiating effect.
Description
Technical field
The utility model relates to a kind of light fixture, is specifically related to a kind of passive heat extraction formula led lamp.
Background technology
The light fixture that is made by light emitting diode (LED) has power saving more, advantage such as durable compared to conventional lamp at present, so used in more occasions by people gradually.
Not enough is, the LED light fixture structurally, in order to improve its brightness, the number of LED be must be relative increase, and when the number increase of LED reaches certain scale, just can produce higher temperature relatively lighting the running back, and then can have influence on the average life and the security of LED member, therefore, just need set up a radiating component temperature that LED produced is reduced, with the security that improves the LED light fixture and prolong its service life.
See also shown in Figure 1, be the novel patent announcement M275351 of the Republic of China (Taiwan Province) number, should have LED light fixture 1 now in the radiator structure design, for the temperature that its LED light fixture 1 is produced reduces, the radiating fin 100 of a cup-shaped is laid in the periphery of one housing 10, and offer plural louvre 101 in these radiating fin 100 spaced surfaces; And in corresponding to the recessed cup 12 of the front end of this housing 10 sheathed, offer one at these recessed cup 12 centers and hold hole 120 and stretch out for a LED lamp body 11, the inner of this recessed cup 12 is formed with a reflecting surface 121, and spaced apartly on this reflecting surface 121 is provided with plural through hole 122.
Rely on above-mentioned structure, the light source that this LED lamp body 11 sent can see through these reflecting surface 121 reflections and highlight, and the heat energy that this LED lamp body 11 is produced is done heat exchange by the plural louvre 101 of this housing 10 and the plural through hole 122 of this recessed cup 12 with outside air, so that this LED light fixture 1 is expelled to the outside lighting the heat energy that running back produced, the inside temperature of this LED light fixture 1 is reduced, but the heat energy that this heat extraction mode can't effectively be produced this LED lamp body 11 drains into the outside fully, therefore, still inadequate on radiating effect, can't satisfy the radiating requirements that has LED light fixture 1 now.
This shows that the radiator structure of above-mentioned existing LED light fixture still has deficiency, a real non-well-designed, and demand urgently being improved.
At the radiating mode of above-mentioned existing LED light fixture still inadequate problem on radiating effect, the creator is through the permanent research and experiment of making great efforts, and development and Design goes out this creation finally.
Summary of the invention
The utility model provides a kind of passive heat extraction formula led lamp, the radiating mode that its purpose is to solve existing LED light fixture still inadequate problem on radiating effect.
For achieving the above object, the technical solution adopted in the utility model is: a kind of passive heat extraction formula led lamp comprises:
One base is provided with a plurality of first buckling parts and a plurality of first heat radiation perforate;
One housing has an accommodation space and outer surface and is provided with a plurality of radiating fins, and an end of described housing is connected in described base;
At least one led module electrically connects with a circuit board, and the medial surface of the described housing of a surface contact of described led module;
One reflecting optics is sheathed on the described led module, and the central part of described reflecting optics offers one first radiating opening;
One lampshade is connected to the other end of described housing, and offers one second radiating opening in the central part of described lampshade, and is provided with a plurality of second buckling parts and a plurality of second heat radiation perforate around the inboard of described lampshade; And
A plurality of buckling pieces are fastened on described first buckling parts and described second buckling parts.
Related content in the technique scheme is explained as follows:
1, in the such scheme, a described led module and a circuit board electrically connect, to produce light source.
2, in the such scheme, described reflecting optics is sheathed on the described led module, to reflect this light source.
3, in the such scheme, described a plurality of buckling pieces are fastened on described first buckling parts and described second buckling parts, so that described housing is fixed between described base and the described lampshade.
4, in the such scheme, also comprise a power module, described power module is provided with circuit board, and is placed in the accommodation space of described housing.
5, in the such scheme, comprise an electrical assembled portion on the described base, in order to electrically connect with the outside.
6, in the such scheme, described housing is hollow form ringwise.
7, in the such scheme, described radiating fin and described housing are one-body molded, are an annular hollow radiating seat.
8, in the such scheme, be provided with plurality of grooves around the described reflecting optics, to be set on the described led module.
9, in the such scheme, described groove is " U " shape.
10, in the such scheme, described radiating opening protrudes out setting towards the central part of described lampshade.
11, in the such scheme, the inboard of described reflecting optics is provided with a plurality of heat extraction flow-guiding channels.
12, in the such scheme, described second radiating opening is extended towards the central part of described reflecting optics by the top of lampshade, corresponding to described first radiating opening.
13, in the such scheme, the inboard of described lampshade is provided with a plurality of phases ring segment across a certain distance, and the inwall of described ring segment and described lampshade is a hollow form, and corresponding to the described second heat radiation perforate.
14, in the such scheme, two ends of described buckling piece are respectively equipped with one first and fasten protuberance and one second fastening protuberance, and correspondence is fastened on described first buckling parts and second buckling parts respectively.
The utility model operation principle and advantage are: the utility model is by a plurality of first heat radiation perforates of base, one has the annular hollow housing of a plurality of radiating fins, first radiating opening of a reflecting optics and a plurality of second heat radiation perforate and second radiating openings of a lampshade, at least one led module is expelled to the outside of described light fixture lighting hot gas that running the time produced, reach the purpose of heat radiation, than traditional lamp cooling structure, significant raising is arranged on radiating effect.
Description of drawings
Accompanying drawing 1 is the decomposing schematic representation of existing LED light fixture;
Accompanying drawing 2 is the decomposing schematic representation of the passive heat extraction formula of the utility model led lamp;
Accompanying drawing 3 is the combination generalized section of the passive heat extraction formula of the utility model led lamp.
In the above accompanying drawing: 1, existing LED light fixture; 10, housing; 100, radiating fin; 101, louvre; 11, LED lamp body; 12, recessed cup; 120, hold the hole; 121, reflecting surface; 122, through hole; 2, passive heat extraction formula led lamp; 20, base; 200, electrical assembled portion; 201, first buckling parts; 202, the first heat radiation perforate; 21, housing; 210, accommodation space; 211, radiating fin; 22, power module; 23, circuit board; 24, led module; 25, reflecting optics; 250, groove; 251, first radiating opening; 252, heat extraction flow-guiding channel; 26, lampshade; 260, second radiating opening; 261, second buckling parts; 262, the second heat radiation perforate; 263, ring segment; 264, inwall; 27, buckling piece; 271, first fasten protuberance; 272, second fasten protuberance; A, hot gas; B, cold air.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: can understanding be arranged further and understand technical solutions of the utility model and the course of work for ease of the auditor, cooperate graphicly now for embodiment, be described in detail as follows.
See also shown in Figure 2, decomposing schematic representation for the passive heat extraction formula of the utility model led lamp 2, can know by figure and to learn, assemble by a base 20, a housing 21, a circuit board 23, at least one led module 24, a reflecting optics 25, a lampshade 26 and a plurality of buckling piece 27.
In this creation, described base 20 is provided with electrical assembled portion 200, a plurality of first buckling parts 201 and a plurality of first a heat radiation perforate 202 in order to electrically connect with the outside.
Described housing 21 has an accommodation space 210 and outer surface is provided with a plurality of radiating fins 211, and wherein said housing 21 is an annular hollow shape, and described a plurality of radiating fin 211 is formed in one with described housing 21, is an annular hollow radiating seat.
Described led module 24 is electrically connected at described circuit board 23, with the generation light source, and the medial surface of the described housing 21 of a surface contact of described led module 24.
Described reflecting optics 25 in around be provided with plurality of grooves 250, described groove 250 is " U " shape and is sheathed on the described led module 24, the medial surface of wherein said groove 250 is contacted with another surface of described led module 24, with reflection source, described reflecting optics 25 offers one first radiating opening 251 in central part, and described first radiating opening 251 protrudes out setting for the central part towards described lampshade 26, and the medial surface of described reflecting optics 25 is provided with a plurality of heat extraction flow-guiding channels 252.
Described lampshade 26 is engaged to an end of described housing 21, offer one second radiating opening 260 in central part, described second radiating opening 260 is extended towards the central part of described reflecting optics 25 by the top of described lampshade 26, with corresponding to described first radiating opening 251, and around the inboard of described lampshade 26, be provided with a plurality of second buckling parts 261 and a plurality of second heat radiation perforate 262, be provided with a plurality of phases ring segment 263 across a certain distance in the inboard of described lampshade 26, and described ring segment 263 is a hollow form with the inwall 264 of lampshade 26, and corresponding to the described second heat radiation perforate 262.
Two ends of described buckling piece 27 are respectively equipped with one first and fasten protuberance 271 and one second fastening protuberance 272, and correspondence is fastened on first buckling parts 201 and second buckling parts 261 respectively, described housing 11 is fixed between bottom 20 and the lampshade 26.
In this creation, described passive heat extraction formula led lamp 2 also comprises a power module 22, described power module 22 is placed in the accommodation space 210 of housing 21, and electrically connect described circuit board 23, after converting alternating current to direct current by described power module 22, provide described led module 24 required electric power; In addition, described passive heat extraction formula led lamp 2 also can design and not comprise this power module 22, do not need to carry out the power supply conversion by this power module 22, make 2 designs of described passive heat extraction formula led lamp can directly be connected to alternating current, provide described led module 24 required electric power by alternating current.
See also shown in Figure 3, for this creates the combination generalized section of passive heat extraction formula led lamp 2, can know by figure and to learn, after above-mentioned member is assembled in this creation, one surface of described led module 24 is contacted with the medial surface of housing 21, and the groove 250 of the surperficial contact reflex eyeglass 25 of another of described led module 24 is after described led module 24 is being lighted running, the light source that produces reflexes to the outside by lampshade 26 with described light source again by described reflecting optics 25 reflections.
And described led module 24 operates the hot gas A that is produced lighting, then be by second radiating opening 260 of a cold air B from lampshade 26, after first radiating opening 251 that the described second heat radiation perforate 262 reaches the reflecting optics 25 that joins with described second radiating opening 260 enters, described led module 24 is operated the hot gas A that is produced, take to a plurality of first heat radiation perforates 202 of described bottom 20 discharges from the accommodation space 210 of housing 21 inside, except that aforementioned heat extraction mode, described hot gas A dispels the heat from a plurality of radiating fins 211 of housing 21 surfaces externally and internallies, carry out convection current in this hot gas A heat extraction mode thus that described led module 24 is produced, promote radiating effect.
Hence one can see that, this creates the heat extraction mode of passive heat extraction formula led lamp 2, be the hot gas A that described led module 24 is produced when lighting running, draw described hot gas A by seeing through housing 21, and outside a plurality of radiating fins 211 that described hot gas A is passed to housing 21 surfaces externally and internallies are dispelled the heat, still there is cool exterior air B to see through second radiating opening 260 of described lampshade 26, first radiating opening 251 of plural number second heat radiation perforate 262 and described reflecting optics 25, hot gas A is taken to a plurality of first heat radiation perforates 202 that described base 20 is offered, allow hot gas A carry out convection current by these holes, be circulated to the outside of described light fixture 2, so as to reaching the purpose of better heat-radiation effect, on radiating mode, can't effectively its hot gas row be dissipated to outside problem so can effectively solve existing LED light fixture 1.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (12)
1. passive heat extraction formula led lamp is characterized in that: comprising:
One base is provided with a plurality of first buckling parts and a plurality of first heat radiation perforate;
One housing has an accommodation space and outer surface and is provided with a plurality of radiating fins, and an end of described housing is connected in described base;
At least one led module electrically connects with a circuit board, and the medial surface of the described housing of a surface contact of described led module;
One reflecting optics is sheathed on the described led module, and the central part of described reflecting optics offers one first radiating opening;
One lampshade is connected to the other end of described housing, and offers one second radiating opening in the central part of described lampshade, and is provided with a plurality of second buckling parts and a plurality of second heat radiation perforate around the inboard of described lampshade; And
A plurality of buckling pieces are fastened on described first buckling parts and described second buckling parts.
2. passive heat extraction formula led lamp according to claim 1, it is characterized in that: also comprise a power module, described power module is provided with circuit board, and is placed in the accommodation space of described housing.
3. passive heat extraction formula led lamp according to claim 2 is characterized in that: comprise an electrical assembled portion on the described base.
4. passive heat extraction formula led lamp according to claim 3, it is characterized in that: described housing is hollow form ringwise.
5. passive heat extraction formula led lamp according to claim 4, it is characterized in that: described radiating fin and described housing are one-body molded, are an annular hollow radiating seat.
6. passive heat extraction formula led lamp according to claim 5 is characterized in that: be provided with plurality of grooves around the described reflecting optics, to be set on the described led module.
7. passive heat extraction formula led lamp according to claim 6, it is characterized in that: described groove is " U " shape.
8. passive heat extraction formula led lamp according to claim 6, it is characterized in that: described radiating opening protrudes out setting towards the central part of described lampshade.
9. passive heat extraction formula led lamp according to claim 8, it is characterized in that: the inboard of described reflecting optics is provided with a plurality of heat extraction flow-guiding channels.
10. passive heat extraction formula led lamp according to claim 9 is characterized in that: described second radiating opening is extended towards the central part of described reflecting optics by the top of lampshade, corresponding to described first radiating opening.
11. passive heat extraction formula led lamp according to claim 10, it is characterized in that: the inboard of described lampshade is provided with a plurality of phases ring segment across a certain distance, the inwall of described ring segment and described lampshade is a hollow form, and corresponding to the described second heat radiation perforate.
12. passive heat extraction formula led lamp according to claim 1 is characterized in that: two ends of described buckling piece are respectively equipped with one first and fasten protuberance and one second fastening protuberance, and correspondence is fastened on described first buckling parts and second buckling parts respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200478944U CN201448624U (en) | 2009-08-21 | 2009-08-21 | Passive heat rejection type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200478944U CN201448624U (en) | 2009-08-21 | 2009-08-21 | Passive heat rejection type LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448624U true CN201448624U (en) | 2010-05-05 |
Family
ID=42553343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200478944U Expired - Fee Related CN201448624U (en) | 2009-08-21 | 2009-08-21 | Passive heat rejection type LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012037840A1 (en) * | 2010-09-25 | 2012-03-29 | 深圳市航嘉驰源电气股份有限公司 | Light bulb |
| CN102494290A (en) * | 2011-12-09 | 2012-06-13 | 天宝电子（惠州）有限公司 | Light-emitting diode (LED) pendant lamp |
-
2009
- 2009-08-21 CN CN2009200478944U patent/CN201448624U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012037840A1 (en) * | 2010-09-25 | 2012-03-29 | 深圳市航嘉驰源电气股份有限公司 | Light bulb |
| CN102494290A (en) * | 2011-12-09 | 2012-06-13 | 天宝电子（惠州）有限公司 | Light-emitting diode (LED) pendant 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 |
Granted publication date: 20100505 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |