CN201555102U - Multi-particle low thermal resistance LED street lamp - Google Patents
Multi-particle low thermal resistance LED street lamp Download PDFInfo
- Publication number
- CN201555102U CN201555102U CN200920074789XU CN200920074789U CN201555102U CN 201555102 U CN201555102 U CN 201555102U CN 200920074789X U CN200920074789X U CN 200920074789XU CN 200920074789 U CN200920074789 U CN 200920074789U CN 201555102 U CN201555102 U CN 201555102U
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- China
- Prior art keywords
- led light
- radiator
- positive
- led
- light source
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- Expired - Fee Related
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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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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a multi-particle low thermal resistance LED street lamp. The street lamp comprises a radiator, LED light sources, light distribution lenses, a drive power supply and a lamp fixing and installing component, and is characterized in that the LED light sources are directly attached and fixed on an installation surface of the radiator through thermal conducive adhesives, the positive poles and the negative poles of the LED light sources are welded in an electrode circuit on the installation surface, and a series-parallel array circuit is formed after the LED light sources are connected in series and then connected in parallel with the positive pole and the negative pole of the electrode circuit; and the light distribution lenses are mounted on the light extraction surfaces of the LED light sources and are arranged corresponding to the LED light sources, the positive pole and the negative pole of the output terminal of the drive power supply are connected with the positive pole and the negative pole of the electrode circuit, and the lamp fixing and installing component is fixedly connected with the radiator. The LED light sources are directly attached to the radiator, and circuit boards between LED light sources and a radiator in a traditional LED lamp are abandoned, so that the heat transmission channel is shortened, the thermal resistance is reduced and the radiating effect is improved; and the LED light sources are placed in a sealed light source cavity without using a lamp shade, and light loss caused by the lamp shade is minimized.
Description
Technical field
The utility model relates to a kind of LED street lamp, definite a kind of many particles low thermal resistance LED street lamp of saying so.
Background technology
Many particles of tradition LED street lamp is fixed on circuit board with the led light source welding usually, then circuit board is close to and is connected in radiator, add heat-conducting cream between circuit board and radiator, so heat transfer path is long between led light source and radiator, form very big thermal resistance, 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, and 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; For to guarantee that led light source is in the closed environment of water proof and dust proof, streetlamp housing is provided with Transparent lamp shade simultaneously, and encapsulation process between lampshade and lamp housing has increased the loss of light so undoubtedly when having solved protection question.
Summary of the invention
For addressing the above problem, the utility model provides a kind of many particles low thermal resistance LED street lamp that led light source directly is fixedly installed in radiator.
The technical solution of the utility model is as follows:
Many particles low thermal resistance LED street lamp, by radiator, led light source, light-distribution lens, the fastening installing component of driving power and light fixture constitutes, led light source is fixed in the radiator installed surface by the direct adhesion of heat-conducting glue, the led light source both positive and negative polarity is welded in the installed surface telegraph circuit, so be connected in parallel in the telegraph circuit both positive and negative polarity after the led light source series connection and form the connection in series-parallel array circuit, light-distribution lens be installed on the led light source exiting surface one by one correspondence set up, encapsulation process makes and forms airtight light-source chamber between light-distribution lens and heat transfer substrate, LED places in the light-source chamber, the driving power output positive and negative charge is connected in the telegraph circuit both positive and negative polarity, and the fastening installing component of light fixture is fixedly connected on radiator.
Described radiator is made of heat transfer substrate and fin metal alloy compositions die casting or extrusion modling, and the polishing of heat transfer substrate installed surface also is provided with telegraph circuit, the general aluminium alloy of material, albronze or titanium magnadure class high thermal conductivity alloy material.
Described telegraph circuit is printed circuit or copper coin, fit in radiator heat transfer substrate installed surface after the aluminium sheet insulation processing, constitute by telegraph circuit both positive and negative polarity and branch road, its surface insulation preservative treatment, the insulating corrosion layer leaves the installation hole that led light source directly is installed on the radiator heat transfer substrate, the telegraph circuit both positive and negative polarity is drawn by the driving power output positive and negative charge, many group branch roads are connected in parallel in the telegraph circuit both positive and negative polarity, Dan Zuzhi route multistage conducting wire constitutes, every group of branch road two ends link to each other with the telegraph circuit both positive and negative polarity respectively, and welding led light source both positive and negative polarity forms the closed-loop path between two sections conducting wires.
The fastening installing component of described light fixture is set to overlap tubular and is placed in behind lamp stand or the arm by at least two bolted.
Described led light source is made by high-power LED chip encapsulation, and led chip can be single or many, and LED is solid brilliant in metal heat sink and place and form led light source in the light source bracket.
Described light-distribution lens is fixed on heat transfer substrate lower end installed surface by glass or resinous material compression molding.
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: traditional led light source is fixedly connected on earlier circuit board to be close to behind the circuit board again and is connected in radiator, add heat-conducting cream between circuit board and radiator, so heat transfer path is long between led light source and radiator, form very big thermal resistance, the applying problem thermal resistance of adding circuit board will be bigger, the utility model directly is adhered to radiator with led light source, circuit board between many particles of abandoning tradition LED street lamp led light source and the radiator, so can shorten heat transfer path, reduce thermal resistance, improve radiating effect; Light fixture does not use lampshade and led light source is placed in the airtight light-source chamber, reduces the light loss that produces because of lampshade.
Description of drawings:
Fig. 1: be the heat spreader structures schematic diagram;
Fig. 2: be radiator and led light source, light-distribution lens scheme of installation;
Fig. 3: be many particles low thermal resistance LED street lamp assembling schematic diagram;
Fig. 4: be many particles low thermal resistance LED street lamp schematic diagram (cutaway view);
Fig. 5: be many particles low thermal resistance LED lamp post structure schematic diagram.
Indication legend in the accompanying drawing
1, radiator 11, heat transfer substrate
12, fin 13, telegraph circuit
131, telegraph circuit both positive and negative polarity 132, branch road
133, hole 2, led light source are installed
3, light-distribution lens 4, driving power
5, the fastening installing component of light fixture
The specific embodiment
As shown in Figure 1, radiator (1) is made of heat transfer substrate (11) and fin (12), metal alloy compositions die casting or extrusion modling, the polishing of heat transfer substrate installed surface also is provided with telegraph circuit (13), the general aluminium alloy of its material, albronze or titanium magnadure class high thermal conductivity alloy material.
Telegraph circuit (13) is printed circuit or copper coin, fit in radiator heat transfer substrate installed surface after the aluminium sheet insulation processing, constitute by telegraph circuit both positive and negative polarity (131) and branch road (132), its surface insulation preservative treatment, the insulating corrosion layer leaves the installation hole (133) that led light source directly is installed on the radiator heat transfer substrate, telegraph circuit both positive and negative polarity (131) is drawn by driving power (4) output positive and negative charge, many group branch roads are connected in parallel in the telegraph circuit both positive and negative polarity, Dan Zuzhi route multistage conducting wire constitutes, every group of branch road two ends link to each other with the telegraph circuit both positive and negative polarity respectively, weld led light source (2) both positive and negative polarity between two sections conducting wires and form the closed-loop path.
As shown in Figure 2, led light source (2) is fixed in radiator (1) installed surface by the direct adhesion of heat-conducting glue, light-distribution lens (3) be installed on the led light source exiting surface and one by one correspondence set up, encapsulation process makes and forms airtight light-source chamber between light-distribution lens and heat transfer substrate, LED places in the light-source chamber.
As Fig. 3, shown in 4, many particles low thermal resistance LED street lamp is by radiator (1), led light source (2), light-distribution lens (3), driving power (4) and the fastening installing component of light fixture (5) constitute, led light source is fixed in the radiator installed surface by the direct adhesion of heat-conducting glue, the led light source both positive and negative polarity is welded in the installed surface telegraph circuit, so be connected in parallel in the telegraph circuit both positive and negative polarity after the led light source series connection and form the connection in series-parallel array circuit, light-distribution lens is installed on the led light source exiting surface, light-distribution lens is corresponding with led light source to be set up, encapsulation process makes and forms airtight light-source chamber between light-distribution lens and heat transfer substrate, LED places in the light-source chamber, the driving power output positive and negative charge is connected in the telegraph circuit both positive and negative polarity, and the fastening installing component of light fixture is fixedly connected on radiator.
The fastening installing component of light fixture (5) is set to overlap tubular and is placed in behind lamp stand or the arm by at least two bolted.
Led light source (2) is made by high-power LED chip encapsulation, and led chip can be single or many, and LED is solid brilliant in metal heat sink and place and form led light source in the light source bracket.
Light-distribution lens (3) is fixed on heat transfer substrate lower end installed surface by glass or resinous material compression molding.
Driving power (4) is AC/DC or DC/DC constant current source of stable pressure, output voltage and power and led light source coupling.
As Fig. 5 is many particles low thermal resistance LED street lamp whole structure figure.
Claims (5)
1. many particles low thermal resistance LED street lamp, by radiator, led light source, light-distribution lens, the fastening installing component of driving power and light fixture constitutes, it is characterized in that: led light source is fixed in the radiator installed surface by the direct adhesion of heat-conducting glue, the led light source both positive and negative polarity is welded in the installed surface telegraph circuit, so be connected in parallel in the telegraph circuit both positive and negative polarity after the led light source series connection and form the connection in series-parallel array circuit, light-distribution lens is installed on led light source exiting surface and set up corresponding with led light source, encapsulation process makes and forms airtight light-source chamber between light-distribution lens and heat transfer substrate, LED places in the light-source chamber, the driving power output positive and negative charge is connected in the telegraph circuit both positive and negative polarity, and the fastening installing component of light fixture is fixedly connected on radiator.
2. many particles low thermal resistance LED street lamp according to claim 1, it is characterized in that: described radiator is made of heat transfer substrate and fin, and the heat transfer substrate installed surface is provided with telegraph circuit.
3. many particles low thermal resistance LED street lamp according to claim 2, it is characterized in that: described telegraph circuit is printed circuit or copper coin, fit in radiator heat transfer substrate installed surface after the aluminium sheet insulation processing, constitute by telegraph circuit both positive and negative polarity and branch road, its surface insulation preservative treatment, the insulating corrosion layer leaves the installation hole that led light source directly is installed on the radiator heat transfer substrate, the telegraph circuit both positive and negative polarity is drawn by the driving power output positive and negative charge, many group branch roads are connected in parallel in the telegraph circuit both positive and negative polarity, Dan Zuzhi route multistage conducting wire constitutes, every group of branch road two ends link to each other with the telegraph circuit both positive and negative polarity respectively, and welding led light source both positive and negative polarity forms the closed-loop path between two sections conducting wires.
4. many particles low thermal resistance LED street lamp according to claim 1 is characterized in that: the general aluminium alloy of described radiator material, albronze or titanium magnadure class high thermal conductivity alloy material.
5. many particles low thermal resistance LED street lamp according to claim 1 is characterized in that: the fastening installing component of described light fixture is set to overlap tubular and is placed in behind lamp stand or the arm by at least two bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920074789XU CN201555102U (en) | 2009-12-09 | 2009-12-09 | Multi-particle low thermal resistance LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920074789XU CN201555102U (en) | 2009-12-09 | 2009-12-09 | Multi-particle low thermal resistance LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201555102U true CN201555102U (en) | 2010-08-18 |
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ID=42614785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920074789XU Expired - Fee Related CN201555102U (en) | 2009-12-09 | 2009-12-09 | Multi-particle low thermal resistance LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201555102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929644A (en) * | 2010-08-25 | 2010-12-29 | 广州世宝电子科技有限公司 | Semiconductor street lamp |
| CN104633486A (en) * | 2013-11-07 | 2015-05-20 | 江苏豪迈照明科技有限公司 | LED lamp bulb |
-
2009
- 2009-12-09 CN CN200920074789XU patent/CN201555102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929644A (en) * | 2010-08-25 | 2010-12-29 | 广州世宝电子科技有限公司 | Semiconductor street lamp |
| CN101929644B (en) * | 2010-08-25 | 2013-07-03 | 广州世宝电子科技有限公司 | Semiconductor street lamp |
| CN104633486A (en) * | 2013-11-07 | 2015-05-20 | 江苏豪迈照明科技有限公司 | LED lamp bulb |
| CN104633486B (en) * | 2013-11-07 | 2018-09-07 | 陈宗烈 | A kind of LED bulb |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20121209 |