CN201599769U - LED street lamp with over-current heat-dissipating function - Google Patents
LED street lamp with over-current heat-dissipating function Download PDFInfo
- Publication number
- CN201599769U CN201599769U CN2009200747866U CN200920074786U CN201599769U CN 201599769 U CN201599769 U CN 201599769U CN 2009200747866 U CN2009200747866 U CN 2009200747866U CN 200920074786 U CN200920074786 U CN 200920074786U CN 201599769 U CN201599769 U CN 201599769U
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- driving power
- heat
- light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Road Signs Or Road Markings (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an LED street lamp with over-current heat-dissipating function, winch comprises a perforated over-current heat-dissipating lamp shade, an LED light source, a driving power source and a light-distributing lens. The LED street lamp is characterized in that the lamp shade has an integrated structure, the heat-dissipating part of the lamp shade is perforated to form a mesh structure, the LED light source is fixedly arranged on the mounting surface of the heat-transfer base plate of the lamp shade through screws, the light-distributing lens are arranged at the periphery of the LED light source and fixed to the mounting surface of the heat-transfer base plate, the anode and the cathode of the LED light source are connected with the anode and the cathode of the output terminal of the driving power source, and the driving power source is fixedly arranged inside a driving power box that is positioned above the heat-transfer base plate of the lamp shade. The perforated mesh-shaped heat-dissipating structure of the LED street lamp enhances the air convection and provides reasonable heat-dissipating channels. Besides, the mesh structure effectively eliminates the problem that the heat dissipation is affected by the dust accumulation due to the additional arrangement of the heat-dissipating fins on the heat-transfer base plate of the lamp shade.
Description
Technical field
The utility model relates to a kind of LED street lamp, definite a kind of perforation grid overcurrent heat dissipation LED road lamp of saying so.
Background technology
Though " the semiconductor lighting pilot and demonstration projects LED road lighting product technology standard " of national semiconductor lighting engineering developme and industry alliance's issue do not make explicit stipulation to light fixture heat dispersion and temperature control, but the light efficiency light decay all has quantizating index, its principal element is radiating effect except that the performance indications of led light source own, temperature control also is the important step that influences the every performance of LED light fixture, more stable and the common way of the passive radiating mode of aluminium base radiator that is widely adopted are heat transfer substrate one side some vertical radiating fins that distribute in the traditional approach, the advantage of this structure is that radiating effect is stable, no extra maintenance of machine, manufacture craft is simple, but this structure exists radiating efficiency low, raw material metal consumes many, the long-time use can accumulate the dust foreign material between lamp housing backside heat fin, influence heat and distribute.
Summary of the invention
For addressing the above problem, the utility model provides a kind of LED street lamp that opening dispels the heat that was provided with on radiator.
The technical solution of the utility model is as follows:
The overcurrent heat dissipation LED road lamp, constitute by perforation overcurrent heat-dissipation lamp housing, led light source, driving power and light-distribution lens, led light source is fixedly mounted on the perforation overcurrent heat-dissipation lamp housing heat transfer substrate installed surface by screw, light-distribution lens is installed in the led light source periphery and is fixed in the heat transfer substrate installed surface, sealing ring is set between led light source periphery, light-distribution lens and heat transfer substrate installed surface makes the airtight light-source chamber of formation between light-distribution lens and heat transfer substrate installed surface, led light source falls within the light-source chamber, and so led light source and light-source chamber are provided with one at least; Led light source both positive and negative polarity in the light-source chamber connects the driving power output positive and negative charge, and driving power is fixedly installed in the driving power box of lamp housing heat transfer substrate top.
Described perforation overcurrent heat-dissipation lamp housing is formed the monoblock type lamp housing by heat transfer substrate, fin, driving power box and light fixture secure component, the driving power box is established in the heat transfer substrate top, its the top except that the driving power box remainder and all be connected with fin all around, the interlaced opening that formed of fin, the driving power box is established lid and is formed the driving power chamber with it, and the lid exposed face is provided with fin.
Between described driving power box and light fixture secure component the threading via hole is set, the threading via hole passes the opening excessively of fin and fin formation to the driving power box from light fixture secure component arm sleeve pipe.
Described fin can be plane or curved surface, and its thickness is the 1-5 millimeter, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.
Described heat transfer substrate thickness is set between 0.5-2 centimetre, and its lower surface is provided with installed surface, and installed surface is a smooth flat, establishes led light source and light-distribution lens installation screw hole and the driving power box through wires hole to installed surface on the plane.
Described led light source is made by the integrated encapsulation of high-power LED chip, led chip is by lead series connection or compose in parallel matrix and arrange and place and form the led light source module in the module carrier, and be provided with two faces, a light-emitting area and a thermal conductive surface, thermal conductive surface is made by the little metal of thermal resistance, should comprise the screw hole that is connected with lamp radiator on it, thermal conductive surface is connected in the heat transfer substrate lower surface by screw and heat-conducting glue.
Described light-distribution lens is fixed on heat transfer substrate lower end mounting plane by glass or resinous material compression molding by the lens retainer ring; The lens retainer ring is the metal ring structure, and middle perforate and light-distribution lens coupling are fixed in heat transfer substrate by screw.
Described driving power is AC/DC or DC/DC constant current source of stable pressure, output voltage and power and led light source coupling.
Good effect of the present utility model: through hole grid radiator forms a plurality of flow channels, the air themperature of radiator periphery can increase when light fixture point brightness temperature raises, frivolous hot-air can rise, hot-air after the rising will form negative pressure at the radiator periphery makes colder air fill up, so just formed the exchange of heat, the formation cross-ventilation that so goes round and begins again improves radiating efficiency; Simultaneously, whole lamp shell adopts via structure, thereby the structure of effectively avoiding adding radiating fin above the common LED lamp housing heat transfer plate is tied the fatal shortcoming that grey laying dust obstruction heat distributes easily.
Description of drawings:
Fig. 1: be perforation overcurrent heat-dissipation lamp housing schematic diagram;
Fig. 2: be perforation overcurrent heat-dissipation lamp housing vertical view;
Fig. 3: be perforation overcurrent heat-dissipation lamp housing upward view;
Fig. 4: be overcurrent heat dissipation LED road lamp assembling schematic diagram (I);
Fig. 5: be overcurrent heat dissipation LED road lamp assembling schematic diagram (II);
Fig. 6: be overcurrent heat dissipation LED road lamp contour structures schematic diagram.
Indication legend in the accompanying drawing
1, perforation overcurrent heat-dissipation lamp housing 11, heat transfer substrate
12, fin 13, mistake opening
14, driving power box 15, driving power lid
16, light fixture secure component 17, led light source are installed screw hole
18, light-distribution lens is installed screw hole 19, through wires hole
2, led light source 3, driving power
4, light-distribution lens
The specific embodiment
As shown in Figure 1, perforation overcurrent heat-dissipation lamp housing (1) is made up of two parts up and down, the bottom comprises heat transfer substrate (11), fin (12), driving power box (14) and light fixture secure component (16) for the lamp housing main body, top is driving power lid (15), two parts cooperate the fastening formation driving power of installation chamber up and down, heat transfer substrate and driving power box plate are established altogether, its the top except that the driving power box remainder and all be connected with fin all around, the interlaced opening (13) that formed of fin.
Fin (12) can be plane or curved surface, and its thickness is the 1-5 millimeter, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.
Between driving power box and light fixture secure component the threading via hole is set, the threading via hole passes the opening excessively of fin and fin formation to the driving power box from light fixture secure component arm sleeve pipe.
Be perforation overcurrent heat-dissipation lamp housing rear view as Fig. 2, among the figure centre be the driving power box and with the lid (15) of its coupling, interlaced fin (12) distributes around the power pack, formed opening (13) between fin, lamp housing one end is provided with light fixture secure component (16), is used for light fixture and is fixedly installed in the lamp stand arm.
Be perforation overcurrent heat-dissipation lamp housing front view as Fig. 3, the middle part is heat transfer substrate (11) among the figure, its thickness is traditionally arranged to be between 0.5-2 centimetre, its lower surface is provided with installed surface, installed surface is a smooth flat, establishes led light source on the plane screw hole (17) and light-distribution lens installation screw hole (18) and the driving power box through wires hole (19) to installed surface is installed.
As Fig. 4, shown in 5, the overcurrent heat dissipation LED road lamp is by perforation overcurrent heat-dissipation lamp housing (1), led light source (2), light-distribution lens (3) and driving power (4) constitute, led light source is fixedly mounted on the perforation overcurrent heat-dissipation lamp housing heat transfer substrate installed surface by screw, light-distribution lens is installed in the led light source periphery and is fixed in the heat transfer substrate installed surface, available in case of necessity fixedly filler ring fixed installation, the led light source periphery, sealing ring is set between light-distribution lens and heat transfer substrate installed surface makes the airtight light-source chamber of formation between light-distribution lens and heat transfer substrate installed surface, led light source falls within the light-source chamber, and so led light source and light-source chamber are provided with one at least; Led light source both positive and negative polarity in the light-source chamber connects the driving power output positive and negative charge, and driving power is fixedly installed in the driving power box of lamp housing heat transfer substrate top.
Led light source is made by the integrated encapsulation of high-power LED chip, led chip is by lead series connection or compose in parallel matrix and arrange and place and form the led light source module in the module carrier, and be provided with two faces, a light-emitting area and a thermal conductive surface, thermal conductive surface is made by the little metal of thermal resistance, should comprise the screw hole that is connected with lamp radiator on it, thermal conductive surface is connected in the heat transfer substrate lower surface by screw and heat-conducting glue.
Light-distribution lens comprises the plane of incidence and exiting surface at least by glass or resinous material compression molding.
The lens retainer ring is a circulus, and middle perforate and light-distribution lens coupling are fixed in heat transfer substrate by screw, and the lens exiting surface falls within interstitial hole during installation.
Driving power is AC/DC or DC/DC constant current source of stable pressure, output voltage and power and led light source coupling.
As Fig. 6 is three light source overcurrent heat dissipation LED road lamp whole structure figure, and this light fixture can be single light source, two light source or multiple light courcess simultaneously.
Claims (5)
1. overcurrent heat dissipation LED road lamp, constitute by perforation overcurrent heat-dissipation lamp housing, led light source, driving power and light-distribution lens, it is characterized in that: led light source is fixedly mounted on the perforation overcurrent heat-dissipation lamp housing heat transfer substrate installed surface by screw, light-distribution lens is installed in the led light source periphery and is fixed in the heat transfer substrate installed surface, sealing ring is set between led light source periphery, light-distribution lens and heat transfer substrate installed surface makes the airtight light-source chamber of formation between light-distribution lens and heat transfer substrate installed surface, led light source falls within the light-source chamber, and so led light source and light-source chamber are provided with one at least; Led light source both positive and negative polarity in the light-source chamber connects the driving power output positive and negative charge, and driving power is fixedly installed in the driving power box of lamp housing heat transfer substrate top.
2. overcurrent heat dissipation LED road lamp according to claim 1, it is characterized in that: described perforation overcurrent heat-dissipation lamp housing is formed the monoblock type lamp housing by heat transfer substrate, fin, driving power box and light fixture secure component, the driving power box is established in the heat transfer substrate top, its the top except that the driving power box remainder and all be connected with fin all around, the interlaced opening that formed of fin, the driving power box is established lid and is formed the driving power chamber with it, and the lid exposed face is provided with fin.
3. overcurrent heat dissipation LED road lamp according to claim 2, it is characterized in that: between described driving power box and light fixture secure component the threading via hole is set, the threading via hole passes the opening excessively of fin and fin formation to the driving power box from light fixture secure component arm sleeve pipe.
4. overcurrent heat dissipation LED road lamp according to claim 2 is characterized in that: described fin can be plane or curved surface, and its thickness is the 1-5 millimeter, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.
5. overcurrent heat dissipation LED road lamp according to claim 2, it is characterized in that: described heat transfer substrate thickness is set between 0.5-2 centimetre, its lower surface is provided with installed surface, installed surface is a smooth flat, establishes led light source and light-distribution lens installation screw hole and the driving power box through wires hole to installed surface on the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200747866U CN201599769U (en) | 2009-12-09 | 2009-12-09 | LED street lamp with over-current heat-dissipating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200747866U CN201599769U (en) | 2009-12-09 | 2009-12-09 | LED street lamp with over-current heat-dissipating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599769U true CN201599769U (en) | 2010-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200747866U Expired - Fee Related CN201599769U (en) | 2009-12-09 | 2009-12-09 | LED street lamp with over-current heat-dissipating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599769U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672570A (en) * | 2012-09-05 | 2014-03-26 | 广东松下环境系统有限公司 | Lighting device for ventilator |
| CN104676399A (en) * | 2013-11-30 | 2015-06-03 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode (LED) street lamp |
| CN105156926A (en) * | 2015-09-24 | 2015-12-16 | 家联宝（上海）光电新能源科技有限公司 | Semiconductor lighting device |
| CN105423145A (en) * | 2015-12-20 | 2016-03-23 | 西安智海电力科技有限公司 | Cooling shell with rear-mounted LED (Light-Emitting Diode) lamp power cabin |
| CN105485592A (en) * | 2016-01-07 | 2016-04-13 | 南通中铁华宇电气有限公司 | Type III high-brightness light-distributing long service life LED module street lamp |
| CN105757530A (en) * | 2016-02-03 | 2016-07-13 | 南通中铁华宇电气有限公司 | High-power projection LED optical engine based on high-heat-dissipation substrate and integrated packaging technology |
| TWI563217B (en) * | 2011-09-12 | 2016-12-21 | Rab Lighting Inc | Light fixture with airflow passage separating driver and emitter |
| CN109027827A (en) * | 2017-06-12 | 2018-12-18 | 深圳市海洋王照明工程有限公司 | High toplight |
-
2009
- 2009-12-09 CN CN2009200747866U patent/CN201599769U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10539314B2 (en) | 2011-09-12 | 2020-01-21 | RAB Lighting Inc. | Light fixture with airflow passage separating driver and emitter |
| TWI563217B (en) * | 2011-09-12 | 2016-12-21 | Rab Lighting Inc | Light fixture with airflow passage separating driver and emitter |
| US11181261B2 (en) | 2011-09-12 | 2021-11-23 | RAB Lighting Inc. | Light fixture with airflow passage separating driver and emitter |
| CN103672570B (en) * | 2012-09-05 | 2016-03-09 | 广东松下环境系统有限公司 | For the lighting device of ventilation fan |
| CN103672570A (en) * | 2012-09-05 | 2014-03-26 | 广东松下环境系统有限公司 | Lighting device for ventilator |
| CN104676399A (en) * | 2013-11-30 | 2015-06-03 | 鸿富锦精密工业（深圳）有限公司 | Light-emitting diode (LED) street lamp |
| US9541253B2 (en) | 2013-11-30 | 2017-01-10 | Hon Hai Precision Industry Co., Ltd. | LED street lamp |
| CN105156926A (en) * | 2015-09-24 | 2015-12-16 | 家联宝（上海）光电新能源科技有限公司 | Semiconductor lighting device |
| CN105423145A (en) * | 2015-12-20 | 2016-03-23 | 西安智海电力科技有限公司 | Cooling shell with rear-mounted LED (Light-Emitting Diode) lamp power cabin |
| CN105423145B (en) * | 2015-12-20 | 2019-01-18 | 西安智海电力科技有限公司 | The rear-mounted radiating shell of LED light power storehouse |
| CN105485592A (en) * | 2016-01-07 | 2016-04-13 | 南通中铁华宇电气有限公司 | Type III high-brightness light-distributing long service life LED module street lamp |
| CN105757530A (en) * | 2016-02-03 | 2016-07-13 | 南通中铁华宇电气有限公司 | High-power projection LED optical engine based on high-heat-dissipation substrate and integrated packaging technology |
| CN109027827A (en) * | 2017-06-12 | 2018-12-18 | 深圳市海洋王照明工程有限公司 | High toplight |
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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: 20101006 Termination date: 20171209 |