CN101881404A - Intelligently controlled forced convection radiation LED streetlamp system - Google Patents

Intelligently controlled forced convection radiation LED streetlamp system Download PDF

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Publication number
CN101881404A
CN101881404A CN2010102167862A CN201010216786A CN101881404A CN 101881404 A CN101881404 A CN 101881404A CN 2010102167862 A CN2010102167862 A CN 2010102167862A CN 201010216786 A CN201010216786 A CN 201010216786A CN 101881404 A CN101881404 A CN 101881404A
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China
Prior art keywords
led
temperature
streetlamp
power led
substrate
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Pending
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CN2010102167862A
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Chinese (zh)
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王干
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王干
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Priority to CN2010102167862A priority Critical patent/CN101881404A/en
Publication of CN101881404A publication Critical patent/CN101881404A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention relates to an intelligently controlled forced convection radiation LED streetlamp system, which comprises a lamppost, a lamppost cantilever, a high-power LED streetlamp cap, a radiating fin, a radiating fan and an intelligent drive controller. A radiating substrate of a high-power LED is fixed on the radiating fin; the radiating fan is fixed at one end of the radiating fin; the air intake surface of the radiating fan faces an air outlet of the lamppost cantilever; required airflow enters from air inlets on the upper and lower parts of the hollow lamppost; even if the streetlamp is turned on when the temperature of the substrate of the high-power LED is within a set safety range, the fan does not work and heat is radiated by passive natural convection; and when the temperature of the substrate of the high-power LED exceeds a set safety temperature upper limit 60 DEG C, the fan works and adopts active forced radiation. If the radiating fan fails, excessive dust is accumulated on the air passage and the radiating fin, or the temperature of the LED substrate exceeds a set limit failure temperature 80 DEG C, the circuit of the LED lamp is disconnected, and the controller sends an alarm signal for check and maintenance at the same time.

Description

A kind of Based Intelligent Control forced convertion radiation LED streetlamp system
Technical field:
The present invention relates to a kind of LED street lamp, be specifically related to a kind of Based Intelligent Control forced convertion radiation LED streetlamp system.
Background technology:
At present, low-power LED lamp is a cold light source, do not need special heat abstractor, but along with energy day is becoming tight, adopt LED to make lighting source, accepted by people, low-power LED lamp has not satisfied people's demand, high-power LED light source progressively begins to develop, and begin to be applied in the lighting field, particularly be used in the street lighting, be subjected to people's common concern, but high-powered LED lamp is different with small-power, great power LED chip when luminous can produce a large amount of heat, can not in time be derived as this heat to dissipate, and can directly influence the luminous efficiency of LED, according to test high-power LED street lamp light source, surface temperature is at 60 ℃ once the time, can operate as normal, but temperature is more than 60 ℃, 5 ℃ of its light decays of every rising just increase by 10%, and influence the service life of LED greatly.Current, also there is the heat radiation of pair great power LED to carry out certain processing, as increase radiating surface, but along with the power of LED is increasing, huge fin is given the making of light fixture, installation and application bring certain trouble, heat is passive derivation, even temperature also is passive derivation like this, particularly very high in the summer environment temperature, the temperature of the LED module of very difficult assurance LED street lamp at 60 ℃ once, in order to solve heat dissipation problem, also utilize heat pipe heat radiation technology and water-cooling technology etc., all with passive heat dissipation design, because it is too big that the LED light fixture can not be done, along with the demand of road lighting, the power of LED lamp is increasing, adopts passive heat radiation can't thoroughly solve the heat dissipation problem of great power LED.Simultaneously, existing great power LED cooling technology is mainly improved and is researched and developed the LED light fixture, less the lamp holder of LED street lamp, lamp stand and Based Intelligent Control are gone to consider as an organic system, make the solution heat dissipation problem that the LED street lamp in actual applications can not system, restricted using and developing of great power LED greatly, above problem needs to be resolved hurrily.
Summary of the invention:
For the difficult problem of the heat radiation that overcomes existing high-powered LED lamp, the invention provides a kind of Based Intelligent Control forced convertion radiation LED streetlamp system, ventilating opening and the air channel of street lamp post as the heat radiation of LED lamp, it is main adopting the forced ventilation active heat removal, heat radiation is the comprehensive radiating mode of assisting with natural convection ventilation, pass through intelligence control system, according to site environment, real-time monitoring is forced heat radiation or Natural Heat Convection initiatively, the surface temperature of great power LED module is controlled in the optimum temperature range all the time, to reach the enhancing light efficiency, the effect that increases the service life.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Based Intelligent Control forced convertion radiation LED streetlamp system comprises: light pole, lamp stand cantilever, high-power LED street lamp cap, fin, radiator fan, intelligent drives controller.The heat dispersion substrate of great power LED is fixed on the fin, fin is rectangular build, the multi-disc groups of fins is arranged together, one end of fin is being fixed radiator fan, the air intake surface of radiator fan is over against the air outlet of street lamp cantilever, great power LED, fin, radiator fan, the intelligent drives controller all is fixed on the substrate in the LED street lamp cap, and LED heat radiation institute required airflow is entered by the air inlet in the top and the bottom of hollow light pole, is supplied with by the hollow air channel of light pole, the circuit of radiator fan links with the intelligent drives controller, intelligence control circuit has the temperature of thermistor detection LED heat dispersion substrate, in the safe range that the substrate temperature of great power LED is being set, even at this moment turn on light, fan is not worked yet, by the passive type Natural Heat Convection; Surpass when the substrate temperature of great power LED on the safe temperature of setting in limited time, fan work adopts active forced heat radiation.If radiator fan breaks down or air channel and fin dust stratification are too much, when the temperature of LED heat dispersion substrate surpasses the limit fault temperature of setting during work, the intelligent drives controller action, the LED circuit for lamp is disconnected, the LED lamp can not be worked, and controller sends alarm signal simultaneously, carry out maintenance and inspection; The intelligent drives controller circuitry also links to each other with large-power LED light bead, and when need LED lamp is worked, the intelligent drives controller will carry out constant current to LED and drive.
Beneficial effect of the present invention:
1, owing to adopted active forced heat radiation and passive type Natural Heat Convection to combine, thoroughly solves the heat dissipation problem of high-powered LED lamp, improved the efficient of LED, prolonged the service life of LED.
2, adopt intelligent Based Intelligent Control protective device, can in time find the problem that the LED lamp exists, increased the safety in utilization and the reliability of great power LED greatly.
3, adopted light pole and the systematization of LED street lamp cap design, guaranteed ventilation required when high-power LED street lamp is worked, the heat that the LED substrate is produced shifts out rapidly.
Description of drawings:
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a kind of Based Intelligent Control forced convertion of the present invention radiation LED streetlamp system schematic diagram
Among the figure: 1, light pole, 2, the lamp stand cantilever, 3, lamp stand cantilever air outlet, 4, radiator fan, 5, high-power LED street lamp cap, 6, fin, 7 great power LEDs, 8, the intelligent drives controller, 9, air inlet under the lamp stand, 10, air inlet on the lamp stand
The specific embodiment:
A kind of Based Intelligent Control forced convertion radiation LED streetlamp system comprises: 1, light pole, 2, lamp stand cantilever, 3, lamp stand cantilever air outlet, 4, radiator fan, 5, high-power LED street lamp cap, 6, fin, 7, great power LED, 8, intelligent drives controller, 9, air inlet under the lamp stand, 10, air inlet on the lamp stand.During enforcement, great power LED 7, be fixed on 5 li of high-power LED street lamp caps, fin 6 is fixed on the substrate of great power LED 7, scribbles heat conductive silica gel between substrate and the fin, radiator fan 4 is fixed on an end of fin 6, the air intake surface of radiator fan 4 is over against lamp stand cantilever air outlet 3, and high-power LED street lamp cap 5 is fixed on the lamp stand cantilever 2, and lamp stand cantilever 2 is welded on the light pole 1, wherein, between lamp stand cantilever 2 and the light pole 1 threading and passage are arranged.After connecting power supply, great power LED 7 beginnings are luminous, if at this moment the heat dispersion substrate temperature of great power LED 7 is lower, in setting safe temperature, radiator fan 4 is not worked, at this moment adopt the passive type Natural Heat Convection, cold air enters the hollow air channel of light pole 1, according to the aerothermodynamics principle by the last air inlet 10 and the following air inlet 9 of light pole, cold air directly enters the heat dissipating layer of fin 6, and the hot-air after the heat exchange is discharged from the avris slit of LED street lamp cap 5; Along with lighting hours prolongs, the heat dispersion substrate of LED begins to heat up, and prescribes a time limit 8 actions of intelligent drives controller when surpassing on the safe temperature of setting, radiator fan 3 circuit turn-ons, fan is started working, and at this moment adopts active forced convertion heat radiation, and cold air is by the last air inlet 10 and the following air inlet 9 of light pole, enter the hollow air channel of light pole 1, after radiator fan 4 acceleration, tap into heat dissipating layer into fin 6, the hot-air after the heat exchange is discharged from the avris slit of LED street lamp cap 5; When temperature drops to the safe temperature of setting, 4 actions of intelligent drives controller, radiator fan 3 circuit disconnect, and fan quits work, and at this moment adopts the passive type Natural Heat Convection again.Too much as radiator fan 3 faults or ventilating duct and fin dust stratification, the great power LED cooling substrate temperature surpasses to the limit fault temperature value of setting, at this moment intelligent drives controller 6 actions, the circuit of LED lamp is disconnected, LED lamp cisco unity malfunction, send alarm signal simultaneously, need check or overhaul the LED lamp.

Claims (6)

1. a Based Intelligent Control forced convertion radiation LED streetlamp system comprises: light pole, lamp stand cantilever, high-power LED street lamp cap, fin, radiator fan, the intelligent drives controller is characterized in that the heat dispersion substrate of described great power LED is fixed on the fin, one end of fin is being fixed radiator fan, the air intake surface of radiator fan is over against the air outlet of lamp stand cantilever, great power LED, fin, radiator fan, intelligent drives controller all are fixed on the substrate in the LED street lamp cap.
2. a kind of Based Intelligent Control forced convertion radiation LED streetlamp system according to claim 1 is characterized in that the circuit of described great power LED and radiator fan all links to each other with the intelligent drives controller circuitry, controlled by the intelligent drives controller.
3. a kind of Based Intelligent Control forced convertion radiation LED streetlamp system according to claim 1 and 2 is characterized in that described intelligent drives controller links to each other with thermistor on the LED heat dispersion substrate, constitutes the temperature information feedback circuit.
4. a kind of Based Intelligent Control forced convertion radiation LED streetlamp system according to claim 1 is characterized in that all there is air inlet the top and the bottom of light pole.
5. according to claim 1 or 4 described a kind of Based Intelligent Control forced convertion radiation LED streetlamp systems, it is characterized in that described light pole and lamp stand cantilever weld together, and have the threading passage between light pole and the lamp stand cantilever.
6. a kind of Based Intelligent Control forced convertion radiation LED streetlamp system according to claim 1 is characterized in that the safe temperature higher limit of described chain control is set at 55 ℃, and the limit fault temperature is 65 ℃.
CN2010102167862A 2010-07-01 2010-07-01 Intelligently controlled forced convection radiation LED streetlamp system Pending CN101881404A (en)

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Application Number Priority Date Filing Date Title
CN2010102167862A CN101881404A (en) 2010-07-01 2010-07-01 Intelligently controlled forced convection radiation LED streetlamp system

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Application Number Priority Date Filing Date Title
CN2010102167862A CN101881404A (en) 2010-07-01 2010-07-01 Intelligently controlled forced convection radiation LED streetlamp system

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022679A (en) * 2010-12-11 2011-04-20 珠海晟源同泰电子有限公司 Light emitting diode (LED) streetlamp realizing heat loss through self-convection
CN102721937A (en) * 2011-03-30 2012-10-10 海洋王照明科技股份有限公司 Aging test fixture of LED
CN103062736A (en) * 2013-01-23 2013-04-24 磐安县易通科技发展有限公司 High-power LED streetlamp cooling method and LED streetlamp cooled by same
CN103216755A (en) * 2013-04-09 2013-07-24 无锡安田科技电子有限公司 Small low-noise active-radiating type large-power LED (Light-Emitting Diode) electric light source
CN104421696A (en) * 2013-09-05 2015-03-18 海洋王(东莞)照明科技有限公司 Lamp
CN105114920A (en) * 2015-09-17 2015-12-02 张逸兴 Device capable of exchanging heat by using heat conduction material wire rod braided fabric
CN105318225A (en) * 2014-07-25 2016-02-10 潘树东 LED street lamp with disinsection device
CN107289387A (en) * 2017-07-13 2017-10-24 安徽大鸿智能科技有限公司 Streetlight monitoring device and street lamp
CN110939901A (en) * 2018-09-20 2020-03-31 漳浦比速光电科技有限公司 A concertina type lighting fixture for building site is convenient for remove
CN111963959A (en) * 2020-08-18 2020-11-20 江苏灯驿照明工程有限公司 Street lamp with good lamp body heat dissipation effect
CN112161231A (en) * 2020-10-27 2021-01-01 幂光新材料科技(上海)有限公司 Novel high-luminous-efficiency low-energy-consumption LED street lamp and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844735A (en) * 2006-03-28 2006-10-11 辽宁九通电力电子有限公司 Superhigh brightness LED lighting apparatus with forced air cooling
CN201121866Y (en) * 2007-12-01 2008-09-24 王干 Forced cooling type high power LED lighting lamp device
CN101457885A (en) * 2007-12-14 2009-06-17 天津市数通科技有限公司 Concentrated high brightness LED street lamp with self-convection heat radiation body
TWM383088U (en) * 2009-12-15 2010-06-21 Asia Vital Components Co Ltd Heat dissipation structure for LED road lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1844735A (en) * 2006-03-28 2006-10-11 辽宁九通电力电子有限公司 Superhigh brightness LED lighting apparatus with forced air cooling
CN201121866Y (en) * 2007-12-01 2008-09-24 王干 Forced cooling type high power LED lighting lamp device
CN101457885A (en) * 2007-12-14 2009-06-17 天津市数通科技有限公司 Concentrated high brightness LED street lamp with self-convection heat radiation body
TWM383088U (en) * 2009-12-15 2010-06-21 Asia Vital Components Co Ltd Heat dissipation structure for LED road lamp

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022679A (en) * 2010-12-11 2011-04-20 珠海晟源同泰电子有限公司 Light emitting diode (LED) streetlamp realizing heat loss through self-convection
CN102721937A (en) * 2011-03-30 2012-10-10 海洋王照明科技股份有限公司 Aging test fixture of LED
CN102721937B (en) * 2011-03-30 2016-01-13 海洋王照明科技股份有限公司 The aging test frock of LED
CN103062736A (en) * 2013-01-23 2013-04-24 磐安县易通科技发展有限公司 High-power LED streetlamp cooling method and LED streetlamp cooled by same
CN103216755A (en) * 2013-04-09 2013-07-24 无锡安田科技电子有限公司 Small low-noise active-radiating type large-power LED (Light-Emitting Diode) electric light source
CN103216755B (en) * 2013-04-09 2015-11-25 无锡安田科技电子有限公司 The great power LED electric light source of Miniature low-noise active heat removal
CN104421696A (en) * 2013-09-05 2015-03-18 海洋王(东莞)照明科技有限公司 Lamp
CN105318225A (en) * 2014-07-25 2016-02-10 潘树东 LED street lamp with disinsection device
CN105114920A (en) * 2015-09-17 2015-12-02 张逸兴 Device capable of exchanging heat by using heat conduction material wire rod braided fabric
CN107289387A (en) * 2017-07-13 2017-10-24 安徽大鸿智能科技有限公司 Streetlight monitoring device and street lamp
CN110939901A (en) * 2018-09-20 2020-03-31 漳浦比速光电科技有限公司 A concertina type lighting fixture for building site is convenient for remove
CN111963959A (en) * 2020-08-18 2020-11-20 江苏灯驿照明工程有限公司 Street lamp with good lamp body heat dissipation effect
CN112161231A (en) * 2020-10-27 2021-01-01 幂光新材料科技(上海)有限公司 Novel high-luminous-efficiency low-energy-consumption LED street lamp and control method thereof

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Open date: 20101110