CN201496790U - Die casting combined type LED lamp - Google Patents
Die casting combined type LED lamp Download PDFInfo
- Publication number
- CN201496790U CN201496790U CN2009200746026U CN200920074602U CN201496790U CN 201496790 U CN201496790 U CN 201496790U CN 2009200746026 U CN2009200746026 U CN 2009200746026U CN 200920074602 U CN200920074602 U CN 200920074602U CN 201496790 U CN201496790 U CN 201496790U
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- China
- Prior art keywords
- heat
- heat transfer
- transfer substrate
- light
- distribution lens
- 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
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- 238000004512 die casting Methods 0.000 title claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000005304 optical glass Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A die casting combined type LED lamp is combined by a plurality of luminous, light distribution and heat radiation integrated units; the luminous, light distribution and heat radiation integrated units are formed by a heat radiator, a plurality of LED light sources and a lamp shade with a light distribution lens; the heat conduction surfaces of the LED light sources are in close fit for installation of a heat transmission baseplate of the heat radiator; positive and negative terminals of the light sources are welded on a printed circuit on the lower surface of the heat transmission baseplate; a series circuit is formed by a plurality of LED light sources and the printed circuit; the lamp shade with the light distribution lens is connected with the lower surface of the heat transmission baseplate through screws; the luminous, light distribution and heat radiation integrated units with the structure are fixedly connected together through fixed connectors to form a light source array; the positive and negative poles of the units are connected with the positive and negative output terminals of a drive power supply; the drive power supply is mounted in a closed drive power supply box; and a power supply input terminal is connected with an alternate current power network. The power of the LED lamp can be flexibly designed as required, thereby avoiding waste caused by the mismatching of the heat radiator of the lamp and the lamp power.
Description
Technical field
The utility model relates to lighting, says it is a kind of LED light fixture that is combined by multi-group light-emitting luminous intensity distribution integrated unit definitely.
Background technology
Must discharge a large amount of heat when LED is luminous; the LED junction temperature is too high not only to be influenced the light fixture light efficiency but also can shorten the led chip life-span; so the design of cooling system and optimization are long-range missions in the LED light fixture; LED light fixture cooling system commonly used at present is aluminium base fin passive radiator; for aluminium stretches or die casting forms; a common mold can only be produced a kind of specification light fixture; it is not too flexible on lamp power is selected and used; the situation that can occur " high load with small power, low load with strong power " usually.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of LED light fixture that is combined by multi-group light-emitting luminous intensity distribution integrated unit.
The utility model for solve that its technical problem adopts technical scheme be:
A kind of die casting combination type LED lamp, form by the heat-radiating integrated unit combination of a plurality of luminous luminous intensity distributions, the heat-radiating integrated unit of luminous luminous intensity distribution is by radiator, the lampshade of some led light sources and band light-distribution lens constitutes, the led light source thermal conductive surface is closely tied in the radiator heat transfer substrate and installs, the positive and negative terminals of light source are welded in heat transfer substrate lower surface printed circuit, some led light sources and printed circuit form series circuit, the lampshade of band light-distribution lens is connected in the heat transfer substrate lower surface by screw, encapsulation process therebetween, make lampshade and heat transfer substrate form airtight cavity, led light source places in this airtight cavity, the corresponding setting with light-distribution lens of led light source.The heat-radiating integrated unit of luminous luminous intensity distribution of some formation like this connects firmly by fixed connecting piece can form array of source (element number is determined according to the light fixture required power) together, each unit both positive and negative polarity connects the driving power positive-negative output end, driving power is installed in the airtight driving power box, and power input connects AC network.
Described radiator alloy aluminium die-casting forms; form by heat transfer substrate and fin; heat transfer substrate thickness is 5-20mm; the heat transfer substrate upper surface is provided with fin; fin is the aluminium flake of the about 1-4mm of thickness; leave a determining deviation each other, the heat transfer substrate lower surface is provided with printed circuit and is used to connect led light source, and the printed circuit exposed parts adds insulating protective layer.
Described lampshade is made of cover body and light-distribution lens, covers body is a strip, be evenly distributed with some light-distribution lens on it, there is the fixed screw via hole at the cover body two ends, light-distribution lens is similar to the shape of a saddle outward, comprise the cambered surface plane of incidence and curved surface exiting surface, material can be optical glass, the contour translucent material of PC, PMMA, the moulding that is integrated of cover body and light-distribution lens.
Described led light source is made by the high-power LED chip encapsulation, is provided with light-emitting area, thermal conductive surface and positive and negative terminals, and thermal conductive surface is made by the little metal of thermal resistance.
The beneficial effects of the utility model are: the heat-radiating integrated unit of luminous luminous intensity distribution is usually designed to single 10W, selected cell quantity is with regard to energy flexible design lamp power as required, avoid traditional LED lamp power relative fixed, reduce lamp power and cause the radiator waste, increase power and can make the heat-sinking capability deficiency again and influence Luminaire efficiency and service life.The lampshade of band light-distribution lens integrates LED light-distribution lens and lampshade, and the LED street lamp uses the lampshade of above-mentioned band light-distribution lens, and the light loss of minimizing light fixture improves Luminaire efficiency when simplifying fitting structure to reduce manufacturing cost; Have flow channels on the radiator heat transfer substrate, can strengthen cross-ventilation, improve radiating effect, can reduce the radiator volume, save material with constant power.Use printed circuit to replace the connection lead of LED light fixture on the market, reduced the fault that produces because of the wiring problem, improve the reliability of light fixture.
Description of drawings:
Fig. 1 is the radiator schematic diagram;
Fig. 2 is the lampshade of band light-distribution lens;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the B-B profile of Fig. 2;
Fig. 5 is the heat-radiating integrated unit of luminous luminous intensity distribution;
Fig. 6 is the upward view of Fig. 5;
Fig. 7 is that the C of Fig. 6 is to view;
Fig. 8 is the D-D profile of Fig. 6;
Fig. 9 is the utility model assembling schematic diagram;
Figure 10 is the utility model schematic appearance.
The specific embodiment:
As Fig. 1; radiator (11) alloy aluminium die-casting forms; form by heat transfer substrate (111) and fin (112); heat transfer substrate thickness is 5-20mm; the heat transfer substrate upper surface is provided with fin; fin is the aluminium flake of the about 1-4mm of thickness; leave a determining deviation each other; heat transfer substrate (111) two ends need secondary operations screw hole (113); so that realize fixedly connected to each other by fixed connecting piece; the heat transfer substrate lower surface is provided with printed circuit and is used to connect led light source, and the printed circuit exposed parts adds insulating protective layer.
As Fig. 2,3,4, lampshade (12) is made of light-distribution lens (121) and cover body (122), covers body is a strip, be evenly distributed with some light-distribution lens on it, there is fixed screw via hole (123) at the cover body two ends, and light-distribution lens is similar to the shape of a saddle outward, comprise the cambered surface plane of incidence (124) and curved surface exiting surface (125), material can be optical glass, the contour translucent material of PC, PMMA, the moulding that is integrated of cover body and light-distribution lens.
Led light source is made by the high-power LED chip encapsulation, is provided with light-emitting area, thermal conductive surface and positive and negative terminals, and thermal conductive surface is made by the little metal of thermal resistance.
As Fig. 5,6,7,8, the heat-radiating integrated unit of luminous luminous intensity distribution is by radiator (11), the lampshade (13) of some led light sources (12) and band light-distribution lens constitutes, the led light source thermal conductive surface is closely tied in the radiator heat transfer substrate (welding or screw socket connection etc.) is installed, the positive and negative terminals of light source are welded in heat transfer substrate lower surface printed circuit, some led light sources and printed circuit form series circuit, the lampshade of band light-distribution lens is connected in the heat transfer substrate lower surface by screw (14), encapsulation process (commonly used high temperature resistant aging-resistant rubber blanket) therebetween, make lampshade and heat transfer substrate form airtight cavity, led light source places in this airtight cavity, the corresponding setting of led light source (corresponding light-distribution lens of led light source with light-distribution lens, require the led light source location correct during installation, if the location deviation can cause the light distribution effect undesirable).
As Fig. 9,10, a kind of die casting combination type LED lamp, combine by the heat-radiating integrated unit of a plurality of luminous luminous intensity distributions (1), heat transfer substrate two ends, the heat-radiating integrated unit of luminous luminous intensity distribution are embedded in fixed connecting piece (3) groove, and by screw fastening (multiple connected mode is arranged between each unit), usually individual unit can be designed to 10W, determine the needs element number according to lamp power, leave a determining deviation during connection between each unit, so can form flow channels between radiator, help heat radiation, each unit both positive and negative polarity after fixing connects driving power positive-negative output end, driving power is installed in the airtight driving power box (2), and power input connects AC network.The driving power box is fixed in fixed connecting piece by screw and forms whole light fixture, also the fixed installation that the lamp installation connector is used for light fixture should be set as required on the light fixture.
Claims (4)
1. die casting combination type LED lamp, it is characterized in that: form by the heat-radiating integrated unit combination of a plurality of luminous luminous intensity distributions, the heat-radiating integrated unit of luminous luminous intensity distribution is by radiator, the lampshade of some led light sources and band light-distribution lens constitutes, the led light source thermal conductive surface is closely tied in the radiator heat transfer substrate and installs, the positive and negative terminals of light source are welded in heat transfer substrate lower surface printed circuit, some led light sources and printed circuit form series circuit, the lampshade of band light-distribution lens is connected in the heat transfer substrate lower surface by screw, encapsulation process therebetween, make lampshade and heat transfer substrate form airtight cavity, led light source places in this airtight cavity, the corresponding setting with light-distribution lens of led light source; The heat-radiating integrated unit of luminous luminous intensity distribution of some formation like this connects firmly together by fixed connecting piece and can form array of source, each unit both positive and negative polarity connects the driving power positive-negative output end, driving power is installed in the airtight driving power box, and power input connects AC network.
2. a kind of die casting combination type LED lamp according to claim 1; it is characterized in that: described radiator alloy aluminium die-casting forms; form by heat transfer substrate and fin; heat transfer substrate thickness is 5-20mm; the heat transfer substrate upper surface is provided with fin, and fin is the aluminium flake of the about 1-4mm of thickness, leaves a determining deviation each other; the heat transfer substrate lower surface is provided with printed circuit and is used to connect led light source, and the printed circuit exposed parts adds insulating protective layer.
3. a kind of die casting combination type LED lamp according to claim 1, it is characterized in that: described lampshade is made of cover body and light-distribution lens, covers body is a strip, be evenly distributed with some light-distribution lens on it, there is the fixed screw via hole at the cover body two ends, and light-distribution lens is similar to the shape of a saddle outward, comprise the cambered surface plane of incidence and curved surface exiting surface, material can be optical glass, the contour translucent material of PC, PMMA, the moulding that is integrated of cover body and light-distribution lens.
4. a kind of die casting combination type LED lamp according to claim 1 is characterized in that: described led light source is made by the high-power LED chip encapsulation, is provided with light-emitting area, thermal conductive surface and positive and negative terminals, and thermal conductive surface is made by the little metal of thermal resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746026U CN201496790U (en) | 2009-10-15 | 2009-10-15 | Die casting combined type LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746026U CN201496790U (en) | 2009-10-15 | 2009-10-15 | Die casting combined type LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496790U true CN201496790U (en) | 2010-06-02 |
Family
ID=42439996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200746026U Expired - Fee Related CN201496790U (en) | 2009-10-15 | 2009-10-15 | Die casting combined type LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496790U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966894A (en) * | 2010-12-19 | 2013-03-13 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
| CN106949403A (en) * | 2017-04-21 | 2017-07-14 | 深圳市安吉丽光电科技有限公司 | One kind radiating optics module structure and its assembly method |
| CN115483320A (en) * | 2021-06-15 | 2022-12-16 | 株式会社日本显示器 | Pressing jig and transfer device |
-
2009
- 2009-10-15 CN CN2009200746026U patent/CN201496790U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966894A (en) * | 2010-12-19 | 2013-03-13 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
| CN102966894B (en) * | 2010-12-19 | 2015-06-17 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
| CN106949403A (en) * | 2017-04-21 | 2017-07-14 | 深圳市安吉丽光电科技有限公司 | One kind radiating optics module structure and its assembly method |
| CN115483320A (en) * | 2021-06-15 | 2022-12-16 | 株式会社日本显示器 | Pressing jig and transfer device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20171015 |