CN203868773U - Lamp body structure of LED lamp - Google Patents
Lamp body structure of LED lamp Download PDFInfo
- Publication number
- CN203868773U CN203868773U CN201420265500.3U CN201420265500U CN203868773U CN 203868773 U CN203868773 U CN 203868773U CN 201420265500 U CN201420265500 U CN 201420265500U CN 203868773 U CN203868773 U CN 203868773U
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- aluminium alloy
- heat
- flat planar
- fixed flat
- aluminum alloy
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Abstract
The utility model discloses a lamp body structure of an LED lamp. The lamp body structure comprises a heat condition plastic heat dissipation body, an aluminum alloy fixing block, a waterproof rubber sleeve, an upper heat conduction adhesive tape layer, a lower heat conduction adhesive tape layer and sealing rubber rings. The heat condition plastic heat dissipation body comprises a fixed flat plate portion, a cylindrical mounting portion and an annular connecting portion. The aluminum alloy fixing block comprises an aluminum alloy fixing plate and an aluminum alloy connecting ring, the aluminum alloy connecting ring and the lower end of a containing cavity of the cylindrical mounting portion are assembled through the cooperation of first external threads and first internal threads, the upper heat conduction adhesive tape layer is arranged on the upper surface of the aluminum alloy fixing plate, the lower heat conduction adhesive tape layer is arranged on the lower surface of the aluminum alloy fixing plate, a wire penetrating hole is formed in the top of the containing cavity, the waterproof rubber sleeve is clamped in the wire penetrating hole in a sleeved mode, cooling fins are arranged on the heat condition plastic heat dissipation body, convection heat dissipation holes are formed in the fixed flat plate portion, and the sealing rubber rings are embedded into embedded clamping grooves in the lower surface of the fixed flat plate portion. Through the structural design, the lamp body structure has the advantages of being novel in design, simple in structure, good in heat dissipation effect and good in water prevention performance.
Description
Technical field
The utility model relates to lighting device technical field, relates in particular to a kind of lamp body structure of LED light fixture.
Background technology
Along with LED lamp range of application is more and more wider, high-power and high-luminance LED chip arises at the historic moment; Along with succeeding in developing of high-power and high-luminance LED chip and improving constantly of reflector efficiency thereof, increasing high-power and high-luminance LED starts to enter lighting field in recent years.
For LED light fixture, for ensureing its radiating effect, existing LED light fixture generally all disposes aluminium alloy heat radiator or heat-conducting plastic radiator; Wherein, for aluminium alloy heat radiator, because the proportion of aluminium alloy heat radiator is larger, aluminium alloy heat radiator is heavier, and its installation difficulty is larger and cost of transportation is higher; In addition, aluminium alloy heat radiator can conduct electricity, and in LED Design of Luminaires process, must consider insulating Design, and this has just increased complex structure degree and the cost up of whole LED light fixture.
For heat-conducting plastic radiator, although it possesses the speciality of light weight and insulation, thermal conductivity factor is much lower compared with the thermal conductivity factor of aluminium alloy, and for the LED light fixture of some high-power and high heat radiation requirement, heat-conducting plastic radiator is difficult to be suitable for.
Summary of the invention
The purpose of this utility model is to provide for the deficiencies in the prior art a kind of lamp body structure of LED light fixture, and the lamp body structure modern design of this LED light fixture, simple in structure, good heat dissipation effect and water resistance are good.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of lamp body structure of LED light fixture, include heat-conducting plastic radiator, heat-conducting plastic radiator include rounded shape fixed flat planar portion, be arranged at fixed flat planar portion upper surface and the cylinder installation portion extending upward and be arranged at the edge of fixed flat planar portion and towards the annular connecting portion of downward-extension, fixed flat planar portion, cylinder installation portion and annular connecting portion are one-body molded, the core of cylinder installation portion forms the accommodating cavity of downwardly facing opening and rounded shape, and the inwall of accommodating cavity bottom is provided with the first internal thread part;
The distolateral aluminium alloy fixed block that is equiped with of fixed flat planar subordinate of heat-conducting plastic radiator, the aluminium alloy connecting ring that aluminium alloy fixed block includes the aluminium alloy fixed head of rounded shape and is arranged at aluminium alloy fixed head upper surface and extends upward, aluminium alloy fixed head and aluminium alloy connecting ring are one-body molded, the outer surface of aluminium alloy connecting ring is provided with the first external thread part, aluminium alloy connecting ring is intercalated in the accommodating cavity of cylinder installation portion and the first internal thread part and the first external thread part are spirally connected, the upper surface of aluminium alloy fixed head is equiped with heat-conducting glue layer of cloth, the lower surface of aluminium alloy fixed head is equiped with lower heat-conducting glue layer of cloth,
The top of accommodating cavity offers the through wires hole running through completely up and down, is embedded with and overlaps the water-proof rubber sleeve that is stuck in through wires hole edge in through wires hole, and the core of water-proof rubber sleeve forms the through hole running through completely up and down;
The inner surface of annular connecting portion is provided with the second internal thread part for spiral shell dress diffuser, between the fixed flat planar portion upper surface of heat-conducting plastic radiator and the periphery wall of cylinder installation portion, be provided with and be the even spaced apart radiating fin of circumference ring-type, fixed flat planar portion offers the thermal convection holes running through completely up and down between two adjacent radiating fins, the lower surface of fixed flat planar portion offers cushion rubber inlay card groove in the periphery of thermal convection holes, in cushion rubber inlay card groove, be embedded with O-ring seal, O-ring seal is installed between aluminium alloy fixed head upper surface and the bottom of cushion rubber inlay card groove.
The beneficial effects of the utility model are: the lamp body structure of a kind of LED light fixture described in the utility model, it comprises heat-conducting plastic radiator, aluminium alloy fixed block, water-proof rubber sleeve, upper heat-conducting glue layer of cloth, lower heat-conducting glue layer of cloth, O-ring seal, heat-conducting plastic radiator comprises fixed flat planar portion, cylinder installation portion, annular connecting portion, aluminium alloy fixed block comprises aluminium alloy fixed head, aluminium alloy connecting ring, aluminium alloy connecting ring and cylinder installation portion accommodating cavity bottom are passed through outside first, the internal thread part incompatible realization assembling that matches, upper heat-conducting glue layer of cloth is installed on aluminium alloy fixed head upper surface, lower heat-conducting glue layer of cloth is installed on aluminium alloy fixed head lower surface, through wires hole is offered at accommodating cavity top, water-proof rubber sleeve cover is stuck in through wires hole and core forming through hole, annular connecting portion inner surface arranges the second internal thread part, heat-conducting plastic radiator arranges radiating fin, fixed flat planar portion offers thermal convection holes between adjacent two radiating fins, O-ring seal is flush-mounted in the inlay card groove on fixed flat planar subordinate surface.Design by said structure, the utlity model has modern design, simple in structure, good heat dissipation effect, advantage that water resistance is good.
Brief description of the drawings
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
In Fig. 1, include:
1---heat-conducting plastic radiator 11---fixed flat planar portion
111---thermal convection holes 112---cushion rubber inlay card groove
12---cylinder installation portion 121---accommodating cavity
122---through wires hole 13---annular connecting portion
14---radiating fin 2---aluminium alloy fixed block
21---aluminium alloy fixed head 22---aluminium alloy connecting ring
31---upper heat-conducting glue layer of cloth 32---lower heat-conducting glue layer of cloth
4---water-proof rubber sleeve 41---through hole
5---O-ring seal.
Detailed description of the invention
Below in conjunction with concrete embodiment, the utility model is described.
As shown in Figure 1, a kind of lamp body structure of LED light fixture, include heat-conducting plastic radiator 1, heat-conducting plastic radiator 1 includes the fixed flat planar portion 11 of rounded shape, be arranged at fixed flat planar portion 11 upper surfaces and the cylinder installation portion 12 extending upward and be arranged at the edge of fixed flat planar portion 11 and towards the annular connecting portion 13 of downward-extension, fixed flat planar portion 11, cylinder installation portion 12 and annular connecting portion 13 are one-body molded, the core of cylinder installation portion 12 forms the accommodating cavity 121 of downwardly facing opening and rounded shape, the inwall of accommodating cavity 121 bottoms is provided with the first internal thread part.
Wherein, fixed flat planar portion 11 lower end side of heat-conducting plastic radiator 1 are equiped with aluminium alloy fixed block 2, the aluminium alloy connecting ring 22 that aluminium alloy fixed block 2 includes the aluminium alloy fixed head 21 of rounded shape and is arranged at aluminium alloy fixed head 21 upper surfaces and extends upward, aluminium alloy fixed head 21 is one-body molded with aluminium alloy connecting ring 22, the outer surface of aluminium alloy connecting ring 22 is provided with the first external thread part, aluminium alloy connecting ring 22 is intercalated in the accommodating cavity 121 of cylinder installation portion 12 and the first internal thread part and the first external thread part are spirally connected, the upper surface of aluminium alloy fixed head 21 is equiped with heat-conducting glue layer of cloth 31, the lower surface of aluminium alloy fixed head 21 is equiped with lower heat-conducting glue layer of cloth 32.
Further, the top of accommodating cavity 121 offers the through wires hole 122 running through completely up and down, is embedded with and overlaps the water-proof rubber sleeve 4 that is stuck in through wires hole 122 edges in through wires hole 122, and the core of water-proof rubber sleeve 4 forms the through hole 41 running through completely up and down.
Further, the inner surface of annular connecting portion 13 is provided with the second internal thread part for spiral shell dress diffuser, between fixed flat planar portion 11 upper surfaces of heat-conducting plastic radiator 1 and the periphery wall of cylinder installation portion 12, be provided with and be the even spaced apart radiating fin 14 of circumference ring-type, fixed flat planar portion 11 offers the thermal convection holes 111 running through completely up and down between two adjacent radiating fins 14, the lower surface of fixed flat planar portion 11 offers cushion rubber inlay card groove 112 in the periphery of thermal convection holes 111, in cushion rubber inlay card groove 112, be embedded with O-ring seal 5, O-ring seal 5 is installed between aluminium alloy fixed head 21 upper surfaces and the bottom of cushion rubber inlay card groove 112.
In the utility model course of work, the aluminium base of LED luminescence component is installed on the lower surface of lower heat-conducting glue layer of cloth 32, the lower surface mounted LED lamp bulb of aluminium base; When work, the heat that LED lamp pearl produces is directly conducted to the aluminium alloy fixed head 21 of aluminium alloy fixed block 2 via lower heat-conducting glue layer of cloth 32, the negative effect that lower heat-conducting glue layer of cloth 32 can avoid the heat conduction gap between aluminium base and aluminium alloy fixed head 21 to produce heat transfer efficiency effectively, and lower heat-conducting glue layer of cloth 32 can be accelerated the heat-transfer rate between aluminium base and aluminium alloy fixed head 21, and then avoid LED lamp pearl to shorten because heat accumulation causes service life.
In addition, the interior installation driving power of the accommodating cavity 121 of cylinder installation portion 12, and driving power is installed on the upper surface of heat-conducting glue layer of cloth 31; When work, the heat that driving power produces can directly conduct to aluminium alloy fixed head 21 via upper heat-conducting glue layer of cloth 31, same, the negative effect that upper heat-conducting glue layer of cloth 31 can avoid the heat conduction gap between driving power and aluminium alloy fixed head 21 to produce heat transfer efficiency effectively, and upper heat-conducting glue layer of cloth 31 can be accelerated the heat-transfer rate between driving power and aluminium alloy fixed head 21, and then avoid driving power to shorten because heat accumulation causes service life.
The heat part that driving power and LED lamp pearl conduct to aluminium alloy fixed block 2 is directly conducted to heat-conducting plastic radiator 1, and heat-conducting plastic radiator 1 directly conducts to heat in outside air; In addition, aluminium alloy fixed head 21 directly contacts with outside air by thermal convection holes 111, and the heat that driving power and LED lamp pearl conduct to aluminium alloy fixed block 2 also can directly carry out heat loss through convection by thermal convection holes 111; In addition, the radiating fin 14 of heat-conducting plastic radiator 1 can increase the contact area of itself and outside air, and then improves radiating efficiency.Design by above-mentioned radiator structure, the utility model can reach extraordinary radiating effect.
In addition, because aluminum alloy materials is high compared with the thermal conductivity factor of heat-conducting plastic, in the utility model course of work, aluminium alloy fixed block 2 can conduct to heat rapidly heat-conducting plastic radiator 1 and pass through thermal convection holes 111 heat loss through convection rapidly.The version combining with heat-conducting plastic radiator 1 by aluminium alloy fixed block 2, the utility model can be incorporated into aluminium alloy heat radiator with the advantage of heat-conducting plastic radiator together with, and can effectively avoid aluminium alloy heat radiator and the existing defect of heat-conducting plastic radiator itself.
Need further to explain, match by the first external thread part of aluminium alloy connecting ring 22 and the first internal thread part of cylinder installation portion 12, and by the waterproof sealing effect of water-proof rubber sleeve 4, the utility model can be driving power provides the installing space of a water-tight; In addition, match with the first external thread part by the first internal thread part, the utility model can increase the contact area between aluminium alloy fixed block 2 and heat-conducting plastic radiator 1 further, and then improves heat transfer efficiency.
Design by said structure, the utlity model has modern design, simple in structure, good heat dissipation effect, advantage that water resistance is good.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (1)
1. the lamp body structure of a LED light fixture, it is characterized in that: include heat-conducting plastic radiator (1), heat-conducting plastic radiator (1) includes the fixed flat planar portion (11) of rounded shape, be arranged at fixed flat planar portion (11) upper surface and the cylinder installation portion (12) extending upward and be arranged at the edge of fixed flat planar portion (11) and towards the annular connecting portion (13) of downward-extension, fixed flat planar portion (11), cylinder installation portion (12) and annular connecting portion (13) are one-body molded, the core of cylinder installation portion (12) forms the accommodating cavity (121) of downwardly facing opening and rounded shape, the inwall of accommodating cavity (121) bottom is provided with the first internal thread part,
Fixed flat planar portion (11) lower end side of heat-conducting plastic radiator (1) is equiped with aluminium alloy fixed block (2), the aluminium alloy connecting ring (22) that aluminium alloy fixed block (2) includes the aluminium alloy fixed head (21) of rounded shape and is arranged at aluminium alloy fixed head (21) upper surface and extends upward, aluminium alloy fixed head (21) is one-body molded with aluminium alloy connecting ring (22), the outer surface of aluminium alloy connecting ring (22) is provided with the first external thread part, aluminium alloy connecting ring (22) is intercalated in the accommodating cavity (121) of cylinder installation portion (12) and the first internal thread part and the first external thread part are spirally connected, the upper surface of aluminium alloy fixed head (21) is equiped with heat-conducting glue layer of cloth (31), the lower surface of aluminium alloy fixed head (21) is equiped with lower heat-conducting glue layer of cloth (32),
The top of accommodating cavity (121) offers the through wires hole (122) running through completely up and down, in through wires hole (122), be embedded with the water-proof rubber sleeve (4) that cover is stuck in through wires hole (122) edge, the core of water-proof rubber sleeve (4) forms the through hole (41) running through completely up and down;
The inner surface of annular connecting portion (13) is provided with the second internal thread part for spiral shell dress diffuser, between fixed flat planar portion (11) upper surface of heat-conducting plastic radiator (1) and the periphery wall of cylinder installation portion (12), be provided with and be the even spaced apart radiating fin of circumference ring-type (14), fixed flat planar portion (11) offers the thermal convection holes (111) running through completely up and down between adjacent two radiating fins (14), the lower surface of fixed flat planar portion (11) offers cushion rubber inlay card groove (112) in the periphery of thermal convection holes (111), in cushion rubber inlay card groove (112), be embedded with O-ring seal (5), O-ring seal (5) is installed between aluminium alloy fixed head (21) upper surface and the bottom of cushion rubber inlay card groove (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265500.3U CN203868773U (en) | 2014-05-23 | 2014-05-23 | Lamp body structure of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420265500.3U CN203868773U (en) | 2014-05-23 | 2014-05-23 | Lamp body structure of LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868773U true CN203868773U (en) | 2014-10-08 |
Family
ID=51649725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420265500.3U Expired - Fee Related CN203868773U (en) | 2014-05-23 | 2014-05-23 | Lamp body structure of LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868773U (en) |
-
2014
- 2014-05-23 CN CN201420265500.3U patent/CN203868773U/en not_active Expired - Fee Related
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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: 20141008 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |