CN201335297Y - Intelligent led street lamp - Google Patents
Intelligent led street lamp Download PDFInfo
- Publication number
- CN201335297Y CN201335297Y CNU2008201564232U CN200820156423U CN201335297Y CN 201335297 Y CN201335297 Y CN 201335297Y CN U2008201564232 U CNU2008201564232 U CN U2008201564232U CN 200820156423 U CN200820156423 U CN 200820156423U CN 201335297 Y CN201335297 Y CN 201335297Y
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- Prior art keywords
- street lamp
- led street
- power supply
- temperature
- supply unit
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an intelligent LED street lamp, which comprises an LED street lamp body; a first power supply unit, a temperature detection unit, a control unit and a second power supply unit; wherein the LED street lamp body is provided with an LED high-power component and an outer shell; the first power supply unit is connected with the LED street lamp body and used for supplying required power for the LED street lamp body; the temperature detection unit is used for detecting the temperature of the PN junction of the LED high-power component; the control unit is used for generating corresponding pulse width modulation signal according to the temperature detected by the temperature detection unit so as to control the power supply of the first power supply unit, and further control the power of the LED street lamp; and the second power supply unit is connected with the temperature detection unit and the control unit, and used for supplying the required electrical energy for the temperature detection unit and the control unit. The intelligent LED street lamp can automatically adjust the illumination brightness according to the environmental light, temperature and time, and has energy saving and environmental protection and long service life.
Description
Technical field
The utility model relates to a kind of intelligent LED street lamp, the particularly a kind of adaptive intelligent LED street lamp that can regulate the energy-conserving and environment-protective longevity of illumination brightness as required automatically.
Background technology
Road lighting is meant and luminaire is set for necessary visibility being provided for vehicle and pedestrian at night on road.Road lighting can improve transportation condition, alleviates driver fatigue, and helps improving road passage capability and guarantee traffic safety, also can beautify the appearance of the city.Road is with lighting the timber illumination, progressively developing into afterwards with oil lamp, gas lamp, arc lamp, carbon filament incandescent lamp, high-pressure sodium lamp so that present high-pressure mercury lamp at first.Paris in 1558 is provided with the container that rosin or batten are housed on the street, lights the illumination of rosin or batten at dark.Winter in 1667, on some streets, use oil lamp instead.1806, throw light on gas lamp in the street in city, U.S. Baltimore.1842, arc lamp appearred in Paris, just this lamp was applied on the street soon.1878, the prosperous at first proposition of British J.W. Si carbon filament incandescent lamp.1932, the Dutchman began to throw light on low-pressure sodium lamp on the street.Nineteen thirty-five, invented high-pressure sodium lamp.Nineteen sixty-five, high-pressure mercury lamp comes out, and is used for road lighting.China installed 10 gas lamps in 1865 on the Nanjing Road, Shanghai; 1882 at 10 arc lamps of outbeach, Shanghai installation; Shanghai began to use incandescent lamp on the street in 1890.
The method of time switch lamp is adopted in the road lighting of prior art more, just in a certain setting-up time section, turns on light, yet, in different seasons, the time phase difference of colour of sky blackening is bigger, even when often summer is very bright, just turn on light, and winter, it was pitch-dark, street lamp is not also opened.And the needed illumination brightness of varying environment is also different, but the road lighting of prior art adopts is the lighting system of unified brightness, and in wagon flow less more with wagon flow after midnight first half of the night, adopts the illumination of equal brightness, comparatively waste.In addition, incandescent lamp and gas-discharge lamp are adopted in the road lighting of prior art more, and incandescent lamp is that a kind of luminous efficiency is low, the thermal light source that caloric value is high, very waste energy, noxious pollutants such as contained mercury, lead, benzene, bromine, cadmium in the gas discharge light fixture also can be at the discarded after stain environment of bulb.
Therefore, provide a kind of and can regulate the road lighting lamp of the energy-conserving and environment-protective longevity of illumination brightness as required automatically, become present technique field personnel's technical issues that need to address.
The utility model content
Technical scheme to be solved of the present utility model provides a kind ofly can regulate the intelligent LED street lamp of the energy-conserving and environment-protective longevity of illumination brightness as required automatically.
For solving technique scheme, the utility model provides a kind of intelligent LED street lamp, comprising: the LED street lamp body with LED high power device and shell; First power supply unit is connected with described LED street lamp body, is used to provide described LED street lamp body institute energy requirement; Temperature detecting unit is used to detect the temperature of described LED high power device PN junction; Control module is used for the temperature that detects according to described temperature detecting unit and generates relevant pulse width modulation signals controlling the power supply of described first power supply unit, and then control LED street lamp power; Second power supply unit is connected with described temperature detecting unit and described control module, is used to provide described temperature detecting unit and the required electric energy of described control module.
Preferably, described temperature control degree detecting unit comprises the semiconductor temperature sensor that is arranged on described first power supply unit and described LED street lamp body junction and is used for the value that described semiconductor temperature sensor is measured and is converted to the signal of telecommunication that is directly proportional with temperature to offer the current/voltage converting unit of described control module.
Preferably, described shell is the heat sink of AA1070 type aluminium alloy.
Preferably, described intelligent LED street lamp also comprises the optical control element that is connected with described second power supply unit and is used to detect the brightness of described LED street lamp body place environment, and described second power supply unit also is used to described optical control element that electric energy is provided.
Preferably, described optical control element comprises light sensor and optical-electrical converter, described light sensor is surveyed the brightness of described intelligent LED street lamp place environment, and result of detection is converted to the signal of telecommunication that is directly proportional with light intensity by described optical-electrical converter, so that the comprehensive described signal of telecommunication that is directly proportional with light intensity of described control module and the described signal of telecommunication generation relevant pulse width modulation signals that is directly proportional with temperature.
Preferably, described control module comprises timer, and described timer is used to timing signal is provided so that the comprehensive described timing signal of described control module, the described signal of telecommunication that is directly proportional with light intensity and the described signal of telecommunication that is directly proportional with temperature generate relevant pulse width modulation signals.
Preferably, described first power supply unit employing constant-current source is described LED street lamp body power supply.
Preferably, described control module comprises pulse-width signal maker and low on-resistance metal-oxide-semiconductor, described pulse-width signal maker is controlled described constant-current source by the Push And Release of control low on-resistance metal-oxide-semiconductor, thereby regulates the electric current that flows through described LED street lamp body.
Preferably, the described low on-resistance metal-oxide-semiconductor metal-oxide-semiconductor that is high-power low on-resistance.
The beneficial effects of the utility model are: can regulate illumination brightness and energy-conserving and environment-protective longevity automatically according to surround lighting, temperature, time.
Description of drawings
Fig. 1 is the structural representation of intelligent LED street lamp.
Fig. 2 is that LED six tunnel constant currents drive schematic diagram.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1 and Fig. 2, the intelligent LED street lamp that the utility model provides comprises LED lamp body 1, optical control element 3, temperature detecting unit 4, control module 5, first power supply unit 7 and second power supply unit 8.Described LED lamp body 1 has LED high power device and shell.
See also Fig. 1, second power supply unit 8 among Fig. 1 should be connected with temperature detecting unit 4, but for fear of the intersection of circuit, so show among the figure and connect.
LED street lamp body 1 comprises the LED street lamp of 12 5.5W power and heat sink, the LED street lamp of described 12 5.5W power be installed in heat sink on; The shell of the described intelligent LED street lamp of heat sink formation, its material are AA1070 type aluminium alloy and the function that has heat radiation and waterproof concurrently; The LED street lamp of described 12 5.5W power is driven by high-power low on-resistance metal-oxide-semiconductor, and first power supply unit 7 is connected with LED street lamp body 1, provides LED street lamp body 1 required energy.
Optical control element 3 comprises light sensor and optical-electrical converter, described light sensor is surveyed the brightness of described intelligent LED street lamp place environment, and result of detection is converted to and the signal of telecommunication that is directly proportional with light intensity by described optical-electrical converter, be transferred to control module 5, first power supply unit 7 is connected with optical control element 3, provides optical control element 3 required electric energy.
Temperature detecting unit 4 is used to detect the temperature of the PN junction of described LED street lamp, temperature detecting unit 4 comprises semiconductor temperature sensor and the current/voltage converting unit that is arranged on described first power supply unit 7 and described LED street lamp body junction, described semiconductor temperature sensor detects the temperature of described PN junction, and testing result is converted to the signal of telecommunication that is directly proportional with temperature by described current/voltage converting unit, be transferred to described control module 5.Second power supply unit 8 is connected with temperature detecting unit 4, provides temperature detecting unit 4 required electric energy.
First power supply unit 7 is AC/DC converters, has high power factor (PF) (PF＞0.9), first power supply unit, 7 inputs insert civil power, and it is output as the DC voltage that is applicable to LED street lamp body 1, and promptly first power supply unit, 7 employing constant-current sources are 1 power supply of LED street lamp body.The output of second power supply unit 8 input terminations, first power supply unit 7 is applicable to optical control element 3, temperature detecting unit 4, and the voltage of control module 5 with the conversion of first power supply unit, 7 higher voltage.The power factor of first power supply unit 7 reaches the effect that improves electrical network utilization rate and energy-conservation reduction electropollution through overcompensation.
See also Fig. 2, the LED street lamp of described 12 5.5W power constitutes led array, the electric current of LED is driven by six tunnel constant currents in the led array, and by 7 power supplies of first power supply unit, first power supply unit 7 is controlled by control module 5 and produces pulse-width signal, when pulse-width signal is high level, each switching tube conducting, and then six tunnel constant currents of connecting with each switching tube make it luminous to corresponding LED street lamp power supply, road lamp power supply respectively, and when pulse-width signal was low level, each switching tube ended, and then six tunnel constant currents are no longer to corresponding LED street lamp power supply, road lamp power supply, adopt constant current source power supply promptly can keep LED IF constant, make light,, look parameter constant.Can realize again the electrical power on the light source is realized control.
The intelligent LED street lamp that the utility model provides, can be according to the similarities and differences of place ambient lighting brightness, receive place ambient lighting brightness by linearizing light sensor, thereby regulate the electric current of power LED, when place ambient lighting brightness is high, reduce lamp power, vice versa, reaches the purpose of saving electric energy.Simultaneously, when place ambient lighting brightness is higher than a setting value, do not allow to light intelligent LED street lamp.
Because the working life of LED device and light decay depend on the temperature on its PN junction, therefore, the temperature rise on the control PN junction is the important behave of guaranteeing the highly reliable work of LED.The utility model is logical to be made as point for measuring temperature with LED base position exit, by semiconductor temperature sensor to the detection of described point for measuring temperature temperature, I/V converter to the conversion of testing result, the processing of control module 5 and the adjusting of PWM driver module 6, form backfeed loop and regulate the size of current that flows through LED, thereby reach the regulating action that the temperature rise of restriction PN junction is transfinited, and then prolong the life-span of LED.
The street road in general city and small towns, need higher road illumination in before midnight, make things convenient for pedestrian and vehicle to travel, but the time after midnight pedestrian and vehicle rareness, too high illumination is to waste energy, the utility model is provided with timer, by the timing software of working out in advance, after turning on light, promptly enter time status, after the lighting time of described intelligent LED street lamp reaches described default time span, control module 5 makes the power of described intelligent LED street lamp drop to setting value, even the power of described intelligent LED street lamp drops to energy-conservation power, realizes the automatic energy saving time after midnight.
Because LED is a solid light source, does not contain noxious pollutants such as mercury, lead, benzene, bromine, cadmium in the light fixture, can not pollute environment.
The intelligent LED street lamp operating voltage that the utility model provides is AC180 ~ 260V; AC/DC power factor PF 〉=0.9; 100% electrical power is 66W; Light source color temperature is 5000 ± 300K; Light source colour rendering index 〉=70; Road illumination mean value 〉=20Lx; Uniformity of illuminance 〉=0.4; Lamp housing waterproof, dustproof grade are IP65, and wherein, the visual requirement of light source color temperature is made adjustment.
The intelligent LED street lamp that the utility model provides can reach the irradiation luminous flux of 4500lm when total power, colour rendering index 70, colour temperature 6000K (positive white light) is that Halogen lamp LED and sodium vapor lamp are inaccessible photochromic, power 66W, can economize on electricity more than 60% with the conventional light source of equiluminous, as count its energy-saving power control, then power savings is more remarkable.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.Any modification or partial replacement that does not break away from the utility model spirit and scope all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1, a kind of intelligent LED street lamp is characterized in that, comprising:
LED street lamp body with LED high power device and shell;
First power supply unit is connected with described LED street lamp body, is used to provide described LED street lamp body institute energy requirement;
Temperature detecting unit is used to detect the temperature of the PN junction of described LED high power device;
Control module is used for the temperature that detects according to described temperature detecting unit and generates relevant pulse width modulation signals controlling the power supply of described first power supply unit, and then control LED street lamp power;
Second power supply unit is connected with described temperature detecting unit and described control module, is used to provide described temperature detecting unit and the required electric energy of described control module.
2, intelligent LED street lamp as claimed in claim 1 is characterized in that: described temperature control detection unit comprises the semiconductor temperature sensor that is arranged on described first power supply unit and described LED street lamp body junction and is used for the value that described semiconductor temperature sensor is measured and is converted to the signal of telecommunication that is directly proportional with temperature to offer the current/voltage converting unit of described control module.
3, intelligent LED street lamp as claimed in claim 1 is characterized in that: described shell is the heat sink of AA1070 type aluminium alloy.
4, intelligent LED street lamp as claimed in claim 1, it is characterized in that also comprising: be connected with described second power supply unit and be used to detect the optical control element of the brightness of described LED street lamp body place environment, described second power supply unit also is used to described optical control element that electric energy is provided.
5, intelligent LED street lamp as claimed in claim 4, it is characterized in that: described optical control element comprises light sensor and optical-electrical converter, described light sensor is surveyed the brightness of described intelligent LED street lamp place environment, and result of detection is converted to the signal of telecommunication that is directly proportional with light intensity by described optical-electrical converter, so that the comprehensive described signal of telecommunication that is directly proportional with light intensity of described control module and the described signal of telecommunication generation relevant pulse width modulation signals that is directly proportional with temperature.
6, as claim 2 or 5 described intelligent LED street lamps, it is characterized in that: described control module comprises timer, and described timer is used to timing signal is provided so that the comprehensive described timing signal of described control module, the described signal of telecommunication that is directly proportional with light intensity and the described signal of telecommunication that is directly proportional with temperature generate relevant pulse width modulation signals.
7, intelligent LED street lamp as claimed in claim 1 is characterized in that: it is described LED street lamp body power supply that described first power supply unit adopts constant-current source.
8, intelligent LED street lamp as claimed in claim 7, it is characterized in that: described control module comprises pulse-width signal maker and low on-resistance metal-oxide-semiconductor, described pulse-width signal maker is controlled described constant-current source by the Push And Release of control low on-resistance metal-oxide-semiconductor, thereby regulates the electric current that flows through described LED street lamp body.
9, intelligent LED street lamp as claimed in claim 8 is characterized in that: described low on-resistance metal-oxide-semiconductor is the metal-oxide-semiconductor of high-power low on-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201564232U CN201335297Y (en) | 2008-12-02 | 2008-12-02 | Intelligent led street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201564232U CN201335297Y (en) | 2008-12-02 | 2008-12-02 | Intelligent led street lamp |
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| Publication Number | Publication Date |
|---|---|
| CN201335297Y true CN201335297Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201564232U Expired - Fee Related CN201335297Y (en) | 2008-12-02 | 2008-12-02 | Intelligent led street lamp |
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| CN (1) | CN201335297Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714750B (en) * | 2009-11-26 | 2012-01-04 | 重庆大学 | LED protecting chip based on PWM shunt |
| CN102752930A (en) * | 2012-06-28 | 2012-10-24 | 无锡莱吉特信息科技有限公司 | Intelligent LED (light-emitting diode) illumination system |
| CN103244874A (en) * | 2013-05-27 | 2013-08-14 | 光明国际（镇江）电气有限公司 | Temperature controllable LED street lamp |
| WO2014117399A1 (en) * | 2013-02-04 | 2014-08-07 | Lee Wen-Sung | Vehicle-mounted intelligent lighting device |
| CN104061501A (en) * | 2014-07-21 | 2014-09-24 | 江苏赛达电子科技有限公司 | Wireless intelligent LED street lamp |
| CN104075201A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Self-protecting energy-saving LED (light-emitting diode) street lamp |
| CN104619080A (en) * | 2014-12-24 | 2015-05-13 | 武真真 | Energy-saving LED street lamp |
| CN105208744A (en) * | 2015-10-23 | 2015-12-30 | 江苏新广联光电股份有限公司 | LED down lamp with color changing with temperature |
| TWI575185B (en) * | 2015-03-25 | 2017-03-21 | Intelligent lighting device for vehicle (2) |
-
2008
- 2008-12-02 CN CNU2008201564232U patent/CN201335297Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714750B (en) * | 2009-11-26 | 2012-01-04 | 重庆大学 | LED protecting chip based on PWM shunt |
| CN102752930A (en) * | 2012-06-28 | 2012-10-24 | 无锡莱吉特信息科技有限公司 | Intelligent LED (light-emitting diode) illumination system |
| WO2014117399A1 (en) * | 2013-02-04 | 2014-08-07 | Lee Wen-Sung | Vehicle-mounted intelligent lighting device |
| CN103244874A (en) * | 2013-05-27 | 2013-08-14 | 光明国际（镇江）电气有限公司 | Temperature controllable LED street lamp |
| CN104061501A (en) * | 2014-07-21 | 2014-09-24 | 江苏赛达电子科技有限公司 | Wireless intelligent LED street lamp |
| CN104075201A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Self-protecting energy-saving LED (light-emitting diode) street lamp |
| CN104619080A (en) * | 2014-12-24 | 2015-05-13 | 武真真 | Energy-saving LED street lamp |
| TWI575185B (en) * | 2015-03-25 | 2017-03-21 | Intelligent lighting device for vehicle (2) | |
| CN105208744A (en) * | 2015-10-23 | 2015-12-30 | 江苏新广联光电股份有限公司 | LED down lamp with color changing with temperature |
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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: 20091028 Termination date: 20121202 |