CN102086994A - LED (light-emitting diode) street lamp using semiconductor cooling device - Google Patents
LED (light-emitting diode) street lamp using semiconductor cooling device Download PDFInfo
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- CN102086994A CN102086994A CN2010102972315A CN201010297231A CN102086994A CN 102086994 A CN102086994 A CN 102086994A CN 2010102972315 A CN2010102972315 A CN 2010102972315A CN 201010297231 A CN201010297231 A CN 201010297231A CN 102086994 A CN102086994 A CN 102086994A
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- street lamp
- led
- led street
- semiconductor cooler
- refrigeration device
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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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Abstract
The invention provides an LED (light-emitting diode) street lamp using a semiconductor cooling device, which comprises a plurality of LED luminotrons, an LED substrate, a metal heat-collecting panel and a metal finned type radiator, wherein the LED luminotrons are arranged on the LED substrate; the metal heat-collecting panel is tightly jointed with the LED substrate; a heat-insulating material layer and a semiconductor cooler are arranged between the metal heat-collecting panel and the metal finned type radiator; a cooling side of the semiconductor cooler is tightly jointed with the metal heat-collecting panel; the metal finned type radiator is arranged above a heating side of the semiconductor cooler; the LED luminotrons on the LED street lamp can be directly mounted on a heat-conductive ceramic circuit board; and the heat-insulating material layer and a semiconductor cooler are arranged between the heat-conductive ceramic circuit board and the metal finned type radiator. By using the LED street lamp using the semiconductor cooling device, the cooling and radiating effects of the luminotrons are excellent, the whole assembling is convenient and simple, and the service life is long.
Description
[technical field]
The present invention relates to a kind of LED street lamp, relate in particular to a kind of LED street lamp that adopts the conductor refrigeration device.
[background technology]
LED has the luminous efficiency height, and the life-span is long, is easy to intelligent management, characteristics such as energy-conserving and environment-protective, and along with LED stability, street lamp has been made in the lifting of performance such as high-power and the continuous reduction of cost at present, is applied in lighting fields such as urban road.
As everyone knows, LED is in luminous, because the existence of Joule heat will have a large amount of heat energy to produce, this heat energy will make the LED illuminator generate heat, do not dispel the heat if do not adopt an effective measure, will cause LED illuminator luminous efficiency sharply to descend, functional reliability reduces, when temperature rises to a certain degree, the LED illuminator will be damaged voluntarily, and the general power of LED street lamp is higher, and it is particularly outstanding that heat dissipation problem then seems.
The radiating mode of LED street lamp mainly contains at present: Natural Heat Convection, install the fan forced heat radiation additional, adopt heat pipe and loop heat pipe heat radiation etc., it is low wherein to install the own functional reliability of fan radiating system complex process and system additional, heat pipe and loop heat pipe cost height, install complicated, and Natural Heat Convection is in the passive type situation, its effect depends on the shape and the volume of metal heat sink fully, increase along with LED street lamp power, the volume and weight of its metal heat sink will constantly increase, and have a strong impact on the security performance and the manufacturing cost of road lamp.
Current LED street lamp one of why can't the actual major reason of applying of large tracts of land be exactly that the heat dissipation problem of LED is not effectively solved yet.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of LED street lamp that adopts the conductor refrigeration device, its good heat dissipation, and simple installation, compact conformation, in light weight, long working life.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of LED street lamp that adopts the conductor refrigeration device is provided, comprise a plurality of LED luminous tubes, LED substrate, collector metal flat board, metal fins formula radiator, described LED luminous tube is installed on the LED substrate, and collector metal is dull and stereotyped closely to be pasted mutually with the LED substrate; Between described collector metal flat board and the metal fins formula radiator insulation material layer and semiconductor cooler are installed, the refrigeration face of semiconductor cooler pastes mutually with the collector metal flat board, and metal fins formula radiator then is installed in the top of the heating face of semiconductor cooler.
Compared with prior art, the LED street lamp of above-mentioned employing conductor refrigeration device is by being equipped with insulation material layer and semiconductor cooler between and the metal fins formula radiator dull and stereotyped at collector metal, make cooling of LED luminous tube and heat radiation change into active and respond well from passive type, the functional reliability height, integral installation is easy, compact conformation, in light weight, long working life.
Another technical problem to be solved by this invention is to provide a kind of LED street lamp that adopts the conductor refrigeration device, its good heat dissipation, and simple installation, compact conformation, in light weight, long working life.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of LED street lamp that adopts the conductor refrigeration device is provided, comprise a plurality of LED luminous tubes, thermal conductive ceramic base circuit board, metal fins formula radiator, described LED luminous tube directly is loaded on the thermal conductive ceramic base circuit board; Between described thermal conductive ceramic base circuit board and the metal fins formula radiator insulation material layer and semiconductor cooler are installed, the refrigeration face of semiconductor cooler pastes mutually with the thermal conductive ceramic base circuit board, and metal fins formula radiator then is installed in the top of the heating face of semiconductor cooler.
Compared with prior art, the LED street lamp of above-mentioned employing conductor refrigeration device is by being equipped with insulation material layer and semiconductor cooler between thermal conductive ceramic base circuit board and metal fins formula radiator, make luminous tube cooling and heat radiation change into active and respond well from passive type, the functional reliability height, integral installation is easy, compact conformation, in light weight, long working life.
[description of drawings]
Fig. 1 is the schematic cross-section of a kind of embodiment of the present invention's LED street lamp of adopting the conductor refrigeration device.
Fig. 2 is the schematic cross-section of the another kind of embodiment of the present invention's LED street lamp of adopting the conductor refrigeration device.
Fig. 3 is the electric functional-block diagram of embodiment illustrated in figures 1 and 2.
[specific embodiment]
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, it is a kind of preferred embodiment that the present invention adopts the LED street lamp of conductor refrigeration device, described LED street lamp comprises a plurality of LED luminous tubes 1, LED substrate 2, collector metal flat board 3, metal fins formula radiator 7, shell 8 and transparent plastic sheet 9, described LED luminous tube 1 is installed on the LED substrate 2, collector metal dull and stereotyped 3 closely pastes mutually with LED substrate 2, and collector metal dull and stereotyped 3 and metal fins formula radiator 7 are the radiator of LED street lamp inside.
Between described collector metal dull and stereotyped 3 and the metal fins formula radiator 7 insulating layer of asbestos 4 and semiconductor cooler 6 are installed, closely paste 7 tops that are installed in the heating face of semiconductor cooler 6 of metal fins formula radiator mutually with collector metal flat board 3 behind the refrigeration face of the semiconductor cooler 6 coating heat conductive silica gel during installation.
Described insulating layer of asbestos 4 makes the refrigeration face of semiconductor cooler 6 and heating face not produce heat exchange, and insulating layer of asbestos 4 also can be other insulation material layer.
Described LED substrate 2, collector metal flat board 3, insulating layer of asbestos 4, semiconductor cooler 6 and metal fins formula radiator 7 are connected to matrix by two or more phenoplasts joint pins 5, described phenoplasts joint pin 5 also can be the less plastics joint pin of other heat transfer coefficients, and phenoplasts joint pin 5 also can make not heat conduction between the refrigeration face of semiconductor cooler 6 and the heating face.Described matrix is connected as a whole with LED street lamp metal shell 8 by a plurality of metal screws, on LED street lamp metal shell 8 transparent plastic sheet 9 is housed also, the common LED street lamp that adopts the conductor refrigeration device of forming.
See also Fig. 2, it is the another kind of preferred embodiment that the present invention adopts the LED street lamp of conductor refrigeration device, the difference of itself and embodiment shown in Figure 1 is: LED luminous tube 1 embodiment illustrated in fig. 1 is installed on the LED substrate 2, closely paste mutually with LED substrate 2 by collector metal dull and stereotyped 3, and LED luminous tube 1 embodiment illustrated in fig. 2 directly is loaded on the thermal conductive ceramic base circuit board 10, and need not collector metal flat board 3.
The LED luminous tube 1 of described LED street lamp directly is loaded on the thermal conductive ceramic base circuit board 10, thermal conductive ceramic base circuit board 10 closely pastes mutually with the refrigeration face of semiconductor cooler 6,7 tops that are installed in the heating face of semiconductor cooler 6 of metal fins formula radiator, metal fins formula radiator 7 is the radiator of LED street lamp inside.
See also Fig. 3, device has power circuit 11 in the lamp body of the LED street lamp that adopts the conductor refrigeration device, with the device that power circuit 11 directly links to each other the dc power supply 14 of led driver 12 and semiconductor cooler 6 is arranged, they connect the power connection 15 of luminous nest of tubes 13 of LED and semiconductor cooler 6 respectively, wherein the electric energy that consumed of semiconductor cooler 6 accounts for about 20% of luminous nest of tubes 13 general powers of LED, and the electric energy that is consumed with present LED street lamp fan radiating system is suitable.Power circuit 10 is connected with power supply grid with " N " lead by " L ", thereby assurance LED street lamp is effectively worked.
After the energising of LED street lamp, a plurality of LED luminous tubes 1 are through LED substrate 2 and collector metal dull and stereotyped 3 or thermal conductive ceramic base circuit board 10 is lowered the temperature by the refrigeration face of semiconductor cooler 6 and the heat conduction, the heating face of semiconductor cooler 6 then carries out free convection and heat loss through radiation by metal fins formula radiator 7 and LED street lamp metal shell 8 with the external space of LED street lamp, thereby realizes the 1 active heat radiation of LED luminous tube.
The LED street lamp of above-mentioned employing conductor refrigeration device is equipped with insulating layer of asbestos 4 and semiconductor cooler 6, make that luminous tube 1 cooling and radiating effect are good, the functional reliability height, and integral installation is easy, and compact conformation is in light weight, long working life, thereby make the LED street lighting have more practicality, reliability, convenience and popularization.
The radiating mode that the present invention adopts the LED street lamp of conductor refrigeration device to use also is applicable to other great power LED facilities.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a LED street lamp that adopts the conductor refrigeration device comprises a plurality of LED luminous tubes, LED substrate, collector metal flat board, metal fins formula radiator, and described LED luminous tube is installed on the LED substrate, and collector metal is dull and stereotyped closely to be pasted mutually with the LED substrate; It is characterized in that: between described collector metal flat board and the metal fins formula radiator insulation material layer and semiconductor cooler are installed, the refrigeration face of semiconductor cooler pastes mutually with the collector metal flat board, and metal fins formula radiator is installed in the top of the heating face of semiconductor cooler.
2. the LED street lamp of employing conductor refrigeration device as claimed in claim 1 is characterized in that: described insulation material layer is an insulating layer of asbestos.
3. the LED street lamp of employing conductor refrigeration device as claimed in claim 2, it is characterized in that: paste mutually with the collector metal flat board behind the refrigeration face coating heat conductive silica gel of described semiconductor cooler, paste mutually with metal fins formula radiator behind the heating face coating heat conductive silica gel of semiconductor cooler.
4. the LED street lamp of employing conductor refrigeration device as claimed in claim 3 is characterized in that: described LED substrate, collector metal flat board, insulating layer of asbestos, semiconductor cooler and metal fins formula radiator are connected to matrix by the little plastics joint pin of heat transfer coefficient.
5. the LED street lamp of employing conductor refrigeration device as claimed in claim 4 is characterized in that: described plastics joint pin is the phenoplasts joint pin.
6. the LED street lamp of employing conductor refrigeration device as claimed in claim 5 is characterized in that: described LED street lamp also comprises shell, and described matrix and shell link together.
7. a LED street lamp that adopts the conductor refrigeration device comprises a plurality of LED luminous tubes, thermal conductive ceramic base circuit board, metal fins formula radiator, and described LED luminous tube directly is loaded on the thermal conductive ceramic base circuit board; It is characterized in that: between described thermal conductive ceramic base circuit board and the metal fins formula radiator insulation material layer and semiconductor cooler are installed, the refrigeration face of semiconductor cooler pastes mutually with the thermal conductive ceramic base circuit board, and metal fins formula radiator then is installed in the top of the heating face of semiconductor cooler.
8. the LED street lamp of employing conductor refrigeration device as claimed in claim 7 is characterized in that: described insulation material layer is an insulating layer of asbestos.
9. the LED street lamp of employing conductor refrigeration device as claimed in claim 8 is characterized in that: paste mutually with the thermal conductive ceramic base circuit board behind the refrigeration face coating heat conductive silica gel of described semiconductor cooler.
10. the LED street lamp of employing conductor refrigeration device as claimed in claim 9 is characterized in that: described LED substrate, thermal conductive ceramic base circuit board, insulating layer of asbestos, semiconductor cooler and metal fins formula radiator are connected to matrix by the little plastics joint pin of heat transfer coefficient.
11. the LED street lamp of employing conductor refrigeration device as claimed in claim 10 is characterized in that: described plastics joint pin is the phenoplasts joint pin.
12. the LED street lamp of employing conductor refrigeration device as claimed in claim 11 is characterized in that: described LED street lamp also comprises shell, and described matrix and shell link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102972315A CN102086994A (en) | 2010-09-29 | 2010-09-29 | LED (light-emitting diode) street lamp using semiconductor cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102972315A CN102086994A (en) | 2010-09-29 | 2010-09-29 | LED (light-emitting diode) street lamp using semiconductor cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN102086994A true CN102086994A (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102972315A Pending CN102086994A (en) | 2010-09-29 | 2010-09-29 | LED (light-emitting diode) street lamp using semiconductor cooling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851856A (en) * | 2014-02-15 | 2015-08-19 | 谷静一 | Semiconductor radiator |
| WO2016011820A1 (en) * | 2014-07-25 | 2016-01-28 | 深圳市光之谷新材料科技有限公司 | Led lighting |
| CN106764685A (en) * | 2016-12-26 | 2017-05-31 | 海宁泰诺照明电器有限公司 | A kind of highlighted Globular energy saving lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201373367Y (en) * | 2009-01-22 | 2009-12-30 | 深圳市成光兴实业发展有限公司 | High-power LED light source module adopting semiconductor for cooling |
| WO2010010495A1 (en) * | 2008-07-25 | 2010-01-28 | Koninklijke Philips Electronics N.V. | A cooling device for cooling a semiconductor die |
-
2010
- 2010-09-29 CN CN2010102972315A patent/CN102086994A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010010495A1 (en) * | 2008-07-25 | 2010-01-28 | Koninklijke Philips Electronics N.V. | A cooling device for cooling a semiconductor die |
| CN201373367Y (en) * | 2009-01-22 | 2009-12-30 | 深圳市成光兴实业发展有限公司 | High-power LED light source module adopting semiconductor for cooling |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851856A (en) * | 2014-02-15 | 2015-08-19 | 谷静一 | Semiconductor radiator |
| WO2015120664A1 (en) * | 2014-02-15 | 2015-08-20 | 谷静一 | Semiconductor radiator |
| CN104851856B (en) * | 2014-02-15 | 2018-01-19 | 商丘工学院 | A kind of radiator for semiconductor |
| WO2016011820A1 (en) * | 2014-07-25 | 2016-01-28 | 深圳市光之谷新材料科技有限公司 | Led lighting |
| CN106764685A (en) * | 2016-12-26 | 2017-05-31 | 海宁泰诺照明电器有限公司 | A kind of highlighted Globular energy saving lamp |
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Application publication date: 20110608 |