CN201114909Y - A LED street lamp brightness control device - Google Patents
A LED street lamp brightness control device Download PDFInfo
- Publication number
- CN201114909Y CN201114909Y CNU2007201717337U CN200720171733U CN201114909Y CN 201114909 Y CN201114909 Y CN 201114909Y CN U2007201717337 U CNU2007201717337 U CN U2007201717337U CN 200720171733 U CN200720171733 U CN 200720171733U CN 201114909 Y CN201114909 Y CN 201114909Y
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- led
- street lamp
- controller
- control device
- road lamp
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a control device of an LED street lamp lighting intensity and comprises a power converter and a street lamp controller; wherein, the external alternating current power supply can be converted into a direct and constant current source so as to provide use for an LED light source through the power converter; the street lamp controller is connected with a photosensitive sensor and a time sensor and is controlled by remote control signals; the street lamp controller adjusts working currents which are input to the LED by the direct and constant current source by adopting a mode of pulse width modulation. The control device of the LED street lamp lighting intensity solves the problems of the inconsistent light decays of the LED light sources caused by the inconsistency of the lighting time lengths of the existing LED lights and the non-uniform brightness of the LED lights when full power is started, etc.
Description
Technical field:
The utility model relates to a kind of control device, and what be specifically related to is a kind of device that is used to control LED street lighting intensity.
Background technology:
Along with the appearance of urban construction quickening and ostentatious project, urban district illumination and the street lamp emerge in multitude of decorating.To brightness uniformity and the inhomogeneity requirement of briliancy, present street lamp generally adopts the height that adds high-power illumination component and increase light pole to realize the coverage and the brightness requirement of light according to China's road lighting.And in order to reduce the energy consumption of road lighting, in the different periods, illumination requirement to road lighting is different, therefore need regulate the brightness of street lamp according to the period, present three kinds of modes that generally adopt: 1) street lamp adopts the light source of different capacity to form light fixture, opens all or part of light source in the different periods; 2) operating voltage of reduction road lighting light source, 3) street lamp of road both sides is taked unlatching at interval etc.
Now because LED has energy-saving and environmental protection, advantage such as efficient is widely used in street lamp, and be grouping control and reduce drive current for the method that the brilliance control of LED street lamp is generally taked.But all there is certain defective in these two kinds of methods.
When adopting the grouping control mode, because the characteristic of led light source is done like this and certainly will be brought different in size the causing of time of lighting owing to the LED lamp, the light decay of the led light source of initiation is inconsistent, when total power is opened, can form the brightness irregularities of light fixture, and influence the life-span of lamp.
The operating voltage that adopt to reduce the LED street lamp realizes reducing street lamp illumination and also can reach the requirement that cuts down the consumption of energy, and does like this and can cause LED to work reducing under the current system, forms the problem of led light source aberration.
Summary of the invention:
At above problem, the purpose of this utility model is to provide a kind of LED street lighting strength control device, it mainly passes through the LED road-light light-source is adopted the constant current power supply, and takes pulse width modulation to regulate the average operating current of street lamp, thereby reaches the requirement of control street lamp illumination.
For achieving the above object, the utility model mainly adopts following technical scheme:
A kind of LED street lighting strength control device includes:
One supply convertor can convert external ac power source to dc constant current power supply by this supply convertor, uses for led light source;
One controller for road lamp is connected with timer with light sensor, by remote control signal control, and takes pulse width modulation to regulate the operating current that dc constant current power supply inputs to LED.
Described light sensor will change into the signal of telecommunication from the light signal of outside, handle by controller for road lamp, and input to the operating current of LED according to extraneous light intensity control dc constant current power supply.
Described timer is input to controller for road lamp with the time pulse signal that produces, and handles by controller for road lamp, and inputs to the operating current of LED according to time control dc constant current power supply.
The utility model is mainly by the control of controller for road lamp realization to the led light source electric current, in the time of by day, will change into the signal of telecommunication from the light signal of outside, handle by controller for road lamp by light sensor, and, make LED not have operating current according to the operating current of extraneous light intensity control LED; When night, control LED electric current makes LED work luminous, in addition, controller for road lamp can be by the operating current of timer according to time control LED, as in a period of time, Control current makes LED luminous, and LED makes its no operating current in another time period control.
Description of drawings:
Fig. 1 is the utility model structure block diagram.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1, the utility model is a kind of LED street lighting strength control device, mainly include: supply convertor, this supply convertor one end is connected with outside 220V alternating current, one end is connected with the DC/DC constant-current source, it is mainly used in extraneous 220V alternating current is changed into constant DC source, and is led light source power supply by this DC source.
DC/DC constant-current source place also is connected with a controller for road lamp, can realize the electric current output of DC/DC constant-current source is controlled by this controller for road lamp, after receiving extraneous remote signal as controller for road lamp, can carry out analyzing and processing according to this signal, and the output current of control DC/DC constant-current source.
Be connected with a light sensor on the controller for road lamp, it is that light signal with the external world converts the signal of telecommunication to and sends controller for road lamp to that this light sensor mainly acts on, and carry out analyzing and processing by controller for road lamp, judge the output current size of DC/DC constant-current source.In the time of by day, light sensor can be sensed the intensity of external optical signals, so the result that will respond to is input to controller for road lamp with the form of the signal of telecommunication, controller for road lamp is judged under this luminous intensity, do not need LED work or need LED under low-light level, to work, then limit DC/DC constant-current source electric current output, make its electric current be output as 0 or be in a less value, then this moment, LED was luminous or luminous intensity is lower; When night or extraneous light are very weak, it is very weak that light sensor is sensed external optical signals, so the result that will respond to is input to controller for road lamp with the form of the signal of telecommunication, controller for road lamp is judged under this luminous intensity, need LED to be in work under certain high light, then control the output of DC/DC constant-current source electric current, making output current is a bigger numerical value, this moment, the electric current of this numerical value was then powered for led light source, made LED luminous.
Also be connected with a timer on the controller for road lamp, this timer can and be input to controller for road lamp according to regular hour generation time pulse signal, after street lamp is analyzed this pulse signal, whether judgement needs LED work in a certain period, if need LED work in this time period, then control the output of DC/DC constant-current source electric current, be the led light source power supply, then LED is luminous; If should not need LED work the time period, then control the output of DC/DC constant-current source no current, then LED is not luminous.The pulse signal that sends such as timer is led light source work during this period of time in 5 o'clock to 6 o'clock in the morning, and then controller for road lamp control DC/DC constant-current source has electric current output, is the led light source power supply; The pulse signal that sends as timer be 10 o'clock to the 11 o'clock morning during this period of time led light source do not work then controller for road lamp control DC/DC constant-current source no current output.
What adopt for led light source in the utility model is the constant current power supply, regulates the output of DC/DC constant-current source electric current by taking pulse duration (PWM) modulation system, to reach the purpose of control street lamp illumination.
More than a kind of LED street lighting strength control device provided by the utility model is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1, a kind of LED street lighting strength control device is characterized in that including:
One supply convertor can convert external ac power source to dc constant current power supply by this supply convertor, uses for led light source;
One controller for road lamp is connected with timer with light sensor, by remote control signal control, and takes pulse width modulation to regulate the operating current that dc constant current power supply inputs to LED.
2, LED street lighting strength control device according to claim 1, it is characterized in that: described light sensor will change into the signal of telecommunication from the light signal of outside, handle by controller for road lamp, and input to the operating current of LED according to extraneous light intensity control dc constant current power supply.
3, LED street lighting strength control device according to claim 1, it is characterized in that: described timer is input to controller for road lamp with the time pulse signal that produces, handle by controller for road lamp, and input to the operating current of LED according to time control dc constant current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201717337U CN201114909Y (en) | 2007-09-11 | 2007-09-11 | A LED street lamp brightness control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201717337U CN201114909Y (en) | 2007-09-11 | 2007-09-11 | A LED street lamp brightness control device |
Publications (1)
| Publication Number | Publication Date |
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| CN201114909Y true CN201114909Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201717337U Expired - Fee Related CN201114909Y (en) | 2007-09-11 | 2007-09-11 | A LED street lamp brightness control device |
Country Status (1)
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| CN (1) | CN201114909Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101742785A (en) * | 2010-01-26 | 2010-06-16 | 威海半岛东电子有限公司 | Intelligent dimming three-primary-color LED street lamp controller |
| CN101772232A (en) * | 2008-12-27 | 2010-07-07 | 富准精密工业(深圳)有限公司 | Light emitting diode lamp circuit |
| CN101801138A (en) * | 2010-03-19 | 2010-08-11 | 马益成 | LED intelligent digital constant-current source and control method |
| CN101801137A (en) * | 2010-03-19 | 2010-08-11 | 马益成 | Intelligent digital brightness regulator and control method |
| CN101598309B (en) * | 2009-07-07 | 2011-01-26 | 广州钒浦新能源发展有限公司 | LED street lamp with intelligent detection and control system |
| CN101677482B (en) * | 2008-09-17 | 2011-03-23 | 深圳市斯派克光电科技有限公司 | Control circuit of intellectualized LED street lamp |
| CN102118905A (en) * | 2010-01-05 | 2011-07-06 | 英飞特电子（杭州）有限公司 | Circuit suitable for multi-path LED current-sharing control |
| CN102256419A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Automatic intelligent electricity-saving device for light-emitting diode (LED) street lamp |
| CN102256420A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Intelligent dimming device for LED (light-emitting diode) streetlamp |
| CN102510634A (en) * | 2011-11-15 | 2012-06-20 | 上海亚明灯泡厂有限公司 | LED lighting power supply management system |
| CN101711069B (en) * | 2009-07-21 | 2013-01-16 | 海洋王照明科技股份有限公司 | LED driving power supply circuit |
| CN102984856A (en) * | 2010-05-21 | 2013-03-20 | 冯林 | Dimming lamp |
| CN101784144B (en) * | 2009-10-16 | 2013-04-17 | 罗富强 | Lamp controller employing acceleration sensor and control method thereof |
| TWI400006B (en) * | 2009-11-27 | 2013-06-21 | Ind Tech Res Inst | A control method for an led lighting device according to environment condition and the led lighting device thereof |
| CN103369771A (en) * | 2012-04-01 | 2013-10-23 | 朱慧君 | City lighting self-control system |
-
2007
- 2007-09-11 CN CNU2007201717337U patent/CN201114909Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677482B (en) * | 2008-09-17 | 2011-03-23 | 深圳市斯派克光电科技有限公司 | Control circuit of intellectualized LED street lamp |
| CN101772232A (en) * | 2008-12-27 | 2010-07-07 | 富准精密工业(深圳)有限公司 | Light emitting diode lamp circuit |
| CN101598309B (en) * | 2009-07-07 | 2011-01-26 | 广州钒浦新能源发展有限公司 | LED street lamp with intelligent detection and control system |
| CN101711069B (en) * | 2009-07-21 | 2013-01-16 | 海洋王照明科技股份有限公司 | LED driving power supply circuit |
| CN101784144B (en) * | 2009-10-16 | 2013-04-17 | 罗富强 | Lamp controller employing acceleration sensor and control method thereof |
| TWI400006B (en) * | 2009-11-27 | 2013-06-21 | Ind Tech Res Inst | A control method for an led lighting device according to environment condition and the led lighting device thereof |
| CN102118905B (en) * | 2010-01-05 | 2013-11-06 | 英飞特电子（杭州）股份有限公司 | Circuit suitable for multi-path LED current-sharing control |
| CN102118905A (en) * | 2010-01-05 | 2011-07-06 | 英飞特电子（杭州）有限公司 | Circuit suitable for multi-path LED current-sharing control |
| CN101742785A (en) * | 2010-01-26 | 2010-06-16 | 威海半岛东电子有限公司 | Intelligent dimming three-primary-color LED street lamp controller |
| CN101801137A (en) * | 2010-03-19 | 2010-08-11 | 马益成 | Intelligent digital brightness regulator and control method |
| CN101801137B (en) * | 2010-03-19 | 2013-12-25 | 马益成 | Intelligent digital brightness regulator and control method |
| CN101801138A (en) * | 2010-03-19 | 2010-08-11 | 马益成 | LED intelligent digital constant-current source and control method |
| CN102984856B (en) * | 2010-05-21 | 2014-10-22 | 广东梅雁吉祥水电股份有限公司 | Dimming lamp |
| CN102984856A (en) * | 2010-05-21 | 2013-03-20 | 冯林 | Dimming lamp |
| CN102256420A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Intelligent dimming device for LED (light-emitting diode) streetlamp |
| CN102256419A (en) * | 2011-07-23 | 2011-11-23 | 李鸿 | Automatic intelligent electricity-saving device for light-emitting diode (LED) street lamp |
| CN102510634A (en) * | 2011-11-15 | 2012-06-20 | 上海亚明灯泡厂有限公司 | LED lighting power supply management system |
| CN103369771A (en) * | 2012-04-01 | 2013-10-23 | 朱慧君 | City lighting self-control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Jiuzhou Optoelectronics Technology Co., Ltd. Assignor: Shenzhen Jiuzhou Photoelectron Co., Ltd. Contract fulfillment period: 2009.9.9 to 2017.9.10 Contract record no.: 2009440001754 Denomination of utility model: A LED street lamp brightness control device Granted publication date: 20080910 License type: Exclusive license Record date: 20091028 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.9 TO 2017.9.10; CHANGE OF CONTRACT Name of requester: SICHUAN JIUZHOU OPTOELECTRONICS CO.,LTD Effective date: 20091028 |
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| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN JIUZHOU PHOTONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN JIUZHOU PHOTOELECTRON CO., LTD. Effective date: 20100917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 BUILDING 7, SHAERLANTIAN SCI-TECH PARK, DITANG ROAD, SHAJING TOWN, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 1, BUILDING 1, JIUZHOU INDUSTRIAL PARK, ZHENTANG ROAD 1, GUANGMING NEW DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE, 2/F |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100917 Address after: 518000, Guangdong, Shenzhen Guangming New District, Tong Tong Road, Jiuzhou Industrial Park, building No. one or two Patentee after: Shenzhen Jiuzhou Optoelectronics Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Shajing Town Hall Dili Lu Sha two Lantian Science Park 7 Patentee before: Shenzhen Jiuzhou Photoelectron Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20130911 |