CN201270605Y - Synthetic control circuit for LED road lamp - Google Patents
Synthetic control circuit for LED road lamp Download PDFInfo
- Publication number
- CN201270605Y CN201270605Y CNU2008201356348U CN200820135634U CN201270605Y CN 201270605 Y CN201270605 Y CN 201270605Y CN U2008201356348 U CNU2008201356348 U CN U2008201356348U CN 200820135634 U CN200820135634 U CN 200820135634U CN 201270605 Y CN201270605 Y CN 201270605Y
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- Prior art keywords
- control circuit
- switching power
- power source
- street lamp
- led
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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
Abstract
The utility model discloses an LED street lamp comprehensive control circuit, which comprises an LED switch power supply control circuit. The LED street lamp comprehensive control circuit is characterized in that the switch power supply control circuit is also respectively connected with a clock control circuit C, a switch action circuit B and a light control circuit A. The LED street lamp comprehensive control circuit has the advantages that since the clock control circuit C, the switch action circuit B and the light control circuit A are designed and added into a switch power supply circuit of an existing LED street lamp power supply, thereby light control, time control and power supply circuits can be integrated into a circuit, an LED street lamp can automatically determine the output make-and-break states according to demands, and voltage, current and power which are output by the power supply can be automatically regulated and changed simultaneously, Compared with a combined mode of'a power supply control circuit+ a light controller+ a time controller' in the prior art, the LED street lamp comprehensive control circuit has small volume, low cost, little heat, high operation reliability and long service life, and has the effect of saving energy.
Description
Technical field
The utility model relates to the LED control circuit, is specifically related to a kind of in Switching Power Supply.
Background technology
LED street lamp (Light Emitting Diode) is a light emitting semiconductor device, can allow almost all change into visible light by very little electric current.It is conventional road lamp relatively, possesses following advantage:
1, high light efficiency: the LED light efficiency reaches 50～200 lumens/watt, and spectrum is narrow, and monochromaticjty is good, and nearly all light that sends all can utilize, and need not to filter and directly send coloured light;
2, LED street lamp height is energy-conservation: have the characteristic that voltage is low, electric current is little, brightness is high.The luminous energy that the incandescent lamp of the luminous energy that one 10～12 watts led light source sends and 35～150 watts sends is suitable.Same illuminating effect LED is than conventional light source energy-conservation 80%～90%;
3, the LED street lamp is photochromic many: can select white or colourama, and redness, yellow, blueness, green, yellow green, orange red etc., and can produce the gorgeous lamp decoration of polychrome combination and circulation variable color as required;
4, the LED street lamp is safe: led light source uses low voltage drive, and is luminous stable, pollution-free, do not have 50HZ, do not have stroboscopic, do not have the UV-B wave band, and look/Yan style Ra value is near 100 for table, and colour temperature 5000K is near sun colour temperature 5500K.
5, the diversity of LED street lamp design shape: homemade led light source is combined by many single led luminous tubes, the led light source that super space company produces is a chip light source, thereby can make more shape than other light sources, easier situation, the shape and size of design light source at the user;
6, the LED street lamp life-span is long: LED utilizes the solid-state semiconductor chip that electric energy is converted into luminous energy, add epoxy encapsulation, can bear high-strength mechanical impacts, 100,000 hours LED single tube life-spans, light source life is more than 20,000 hours, by work every day in 12 hour life-span also more than 5 years, maintenance cost is low;
7, the LED street lamp responds fast: the LED luminous tube response time is very short, can guarantee on request between a plurality of light sources or light source zones of different between work switch.When adopting power source special to power to led light source, the time that reaches maximal illumination is less than 10ms;
8, the LED road lamp is rational in infrastructure: the LED light fixture will thoroughly change the structure of light fixture, according to different professional instructions for uses, the structure of LED light fixture improves brightness once more through rare earth under the condition that improves original intensity, through the raising of optical mirror slip, its luminosity is improved again;
9, LED street lamp operating cost is low: other light sources not only power consumption is 2～10 times of led light source, and almost all will change in every month, has wasted the many valuable time of Maintenance Engineer.And the light source that comes into operation is many more, device change and artificial aspect cost just big more, the very fast meeting of saving of first investment is by daily maintenance, repair expense counteracting.Therefore select for use the led light source of long service life to consider very economical from a long-term.
Therefore, the LED street lamp possesses very wide application prospect, will progressively substitute existing conventional road lamp.Along with applying of LED street lamp, the electronic control circuit demand supporting with it is also corresponding to be increased.In the prior art, Chinese patent 200720051300.8 discloses " a kind of LED streetlight control circuit of adjustable color temperature " its main points and has been, the LED streetlight control circuit of this adjustable color temperature, comprise the pulse width modulation input of Switching Power Supply output, voltage increase and current constant module and be connected the Switching Power Supply output and the pulse width modulation input of voltage increase and current constant module between control circuit.Wherein, described control circuit is provided with singlechip chip and temperature sensor, the negative pole end ground connection of this temperature sensor, and positive terminal is connected with the output of DC power supply, and the M signal end is connected to the respective pins end of singlechip chip.Control according to the temperature-sensitive principle of temperature sensor and the operation of Single Chip Microcomputer (SCM) program, make the utility model to regulate corresponding LED brightness at any time and to reach required color temperature value, realize better illumination and decorative effect according to extraneous climate change.
But, because the LED street lamp is to be used for outdoor public illumination, with the difference of factors such as its working hour, outside natural daylight illumination, and also can be different to the requirement of its illumination etc., and existing LED road lamp electric control circuit, only, but do not consider this point of throwing light on as required, make the LED street lamp in all operating times for it provides power supply and driving, all keep illuminating state and identical illumination, especially illumination needs lower morning, has also kept identical illumination, has caused the waste of electric power.
The utility model content
At LED streetlight control circuit above shortcomings in the prior art, the novel technical problem that will solve of this use is: provide a kind of can be based on factors such as time and outside lamp illumination, and change the LED street lamp integrated control circuit of light on and off state and illumination size, safe and reliable to operation, long service life automatically.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
A kind of LED street lamp integrated control circuit, it comprises a LED switching power source control circuit, it is characterized in that, also is connected with a clock control circuit C, a switch motion circuit B and a light-operated circuit A on this switching power source control circuit respectively.
Described LED switching power source control circuit, comprise ac input end, dc output end, and be connected and interconnect interchange input, transformation, rectification, filtering, voltage stabilizing, the Switching Power Supply management circuit of forming by resistance R 1～R12, capacitor C 1～C11, diode D1～D3, choking-winding L1～L3, transformer TR1, metal-oxide-semiconductor VT1, integrated circuit (IC) 1～IC2, rectification integrated package BD1 between this input/output terminal, and DC voltage-stabilizing, filtering, output circuit.
Described clock control circuit C, comprise a photoelectric coupling IC IC3-1, a clock control module, a plurality of switching device Jc-1～Jc-n, resistance R c and Rc-1, Rc-n, the positive pole of described photoelectric coupling IC IC3-1 connects 5 pin of described clock control module, and these module 4 pin of its negative pole also are connected with the positive pole of IC2 in the described LED switching power source control circuit; Described Rc one end connects 1 pin of this module, and the other end 3 is connected direct-flow positive pole output in the described LED switching power source control circuit; The end of described switch resistance Rc-1～Rc-n is serially connected on 2 pin of described Jc-1～Jc-n separately, and its other end 2 all is connected diode D4 negative pole and resistance R 11 centres in the described LED switching power source control circuit; 1 pin of described Jc-1～Jc-n connects a pin of clock module respectively, and its 3 pin connects the back successively and inserts in the described LED switching power source control circuit in the middle of the R11 and R12.
Described switch motion circuit B, it comprises a photoelectric coupling IC IC3-2, a switching device Jb, resistance R b; The collector electrode of described photoelectric coupling IC IC3-2 connects the end of described resistance R b, and its emitter connects 3 pin of described switching device Jb; After 1 pin of described switching device Jb connects the resistance R b other end, insert the Vd end in the described LED switching power source control circuit; 2 pin of described switching device Jb are connected in the described LED switching power source control circuit in the middle of the R6 and TR1 input.
Described light-operated circuit A, it comprises a light-operated module, a triode Q1 and a resistance R a; The base stage of wherein said Q1 connects light-operated module, inserts the Vcc end in the described LED switching power source control circuit behind its collector series connection resistance R a, and its emitter inserts the earth terminal in the described LED switching power source control circuit.
Described LED switching power source control circuit, its two ac input end respectively are serially connected with a protective tube F1, a thermistor NTC (effect is the large impact electric current that is used to limit when starting power supply), are parallel with a piezo-resistance VDR (effect is lightning protection).
Advantage of the present utility model is: because the utility model is in the switching power circuit of existing LED street lamp power supply, road lamp power supply, design has added clock control circuit C, switch motion circuit B and light-operated circuit A, thereby light-operated, time control and power circuit are integrated in the unified circuit, make the LED street lamp determine the output on off operating mode as required automatically, can regulate the voltage, electric current and the power that change power supply output simultaneously automatically.The utility model is than the integrated mode of " power control circuit+light-controller+time controller " of the prior art, volume is little, cost is low, heating less, operational reliability height, life-span be long, and more possesses energy-saving effect.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model circuit theory schematic diagram.
Embodiment
Referring to Fig. 1, a kind of LED street lamp integrated control circuit, it comprises a LED switching power source control circuit, it is characterized in that, also is connected with a clock control circuit C, a switch motion circuit B and a light-operated circuit A on this switching power source control circuit respectively.
Described LED switching power source control circuit, comprise ac input end, dc output end, and be connected and interconnect interchange input, transformation, rectification, filtering, voltage stabilizing, the Switching Power Supply management circuit of forming by resistance R 1～R12, capacitor C 1～C11, diode D1～D3, choking-winding L1～L3, transformer TR1, metal-oxide-semiconductor VT1, integrated circuit (IC) 1～IC2, rectification integrated package BD1 between this input/output terminal, and DC voltage-stabilizing, filtering, output circuit; Its two ac input end respectively is serially connected with a protective tube F1, a thermistor NTC, is parallel with a piezo-resistance VDR.
Described clock control circuit C, comprise a photoelectric coupling IC IC3-1, a clock control module, a plurality of switching device Jc-1～Jc-n, resistance R c and Rc-1, Rc-n, the positive pole of described photoelectric coupling IC IC3-1 connects 5 pin of described clock control module, and these module 4 pin of its negative pole also are connected with the positive pole of IC2 in the described LED switching power source control circuit; Described Rc one end connects 1 pin of this module, and the other end 3 is connected direct-flow positive pole output in the described LED switching power source control circuit; The end of described switch resistance Rc-1～Rc-n is serially connected on 2 pin of described Jc-1～Jc-n separately, and its other end 2 all is connected diode D4 negative pole and resistance R 11 centres in the described LED switching power source control circuit; 1 pin of described Jc-1～Jc-n connects a pin of clock module respectively, and its 3 pin connects the back successively and inserts in the described LED switching power source control circuit in the middle of the R11 and R12.
Described switch motion circuit B, it comprises a photoelectric coupling IC IC3-2, a switching device Jb, a resistance R b; The collector electrode of described photoelectric coupling IC IC3-2 connects the end of described resistance R b, and its emitter connects 3 pin of described switching device Jb; After 1 pin of described switching device Jb connects the resistance R b other end, insert the Vd end in the described LED switching power source control circuit; 2 pin of described switching device Jb are connected in the described LED switching power source control circuit in the middle of the R6 and TR1 input.
The operation principle of clock control circuit C and switch motion circuit B is: electric power output voltage Vo=Vf (1+R11/R12); Adjust the voltage that R11 or R12 value have just changed power supply output, also change the state of load LED street lamp luminous lighting.
Clock control circuit C is parallel to R11 successively with Rc-1～Rc-n, and when the voltage of power supply supply LED street lamp reduced successively, the light that the LED street lamp sends then weakened successively.On the contrary, when this circuit with Rc-1～Rc-n successively and in R12, the voltage that power supply is supplied with the LED street lamp raises successively, the light that the LED street lamp sends strengthens successively.When C was failure to actuate, electric power output voltage just equaled the voltage of Vo output.
Clock control circuit C acts on the Jb of switch motion circuit B by IC3, cuts off the Vb transmission of level backward, decision power supply output or do not export, thus realized the time control of street lamp light on and off.
Described light-operated circuit A, it comprises a light-operated module, a triode Q1 and a resistance R a; The base stage of wherein said Q1 connects light-operated module, inserts the Vcc end in the described LED switching power source control circuit behind its collector series connection resistance R a, and its emitter inserts the earth terminal in the described LED switching power source control circuit.
The operation principle of light-operated circuit A is: comprise an optically-controlled signal processing unit in the light-operated module, when intensity of illumination during greater than set point, A does not have the unit light-operated signal output, and Q1 ends, and IC1 works under the Vcc driven, and power supply is to load supply output voltage V o; Intensity of illumination is during less than set point, A unit output optically-controlled signal, and the Q1 conducting, Q1 is pulled down to the feeder ear voltage of IC1 near " zero volt ", and IC1 quits work, the power supply no-output.Therefore, light-operated circuit A can realize control bright to load LED street lamp, that put out.
The LED street lamp integrated control circuit that the utility model provides, wherein IC1, IC2, IC3, R11 and R12 are the keys of power work and shutdown in the decision whole synthesis control circuit.
The utility model is not limited to above-mentioned execution mode, adopts other LED street lamp integrated control circuit that obtains with the same or similar structure of foregoing circuit, all within protection range of the present utility model.
Claims (6)
1. LED street lamp integrated control circuit, it comprises a LED switching power source control circuit, it is characterized in that, also is connected with a clock control circuit C, a switch motion circuit B and a light-operated circuit A on this switching power source control circuit respectively.
2. LED street lamp integrated control circuit according to claim 1, it is characterized in that: described LED switching power source control circuit, comprise ac input end, dc output end, and be connected and interconnect interchange input, transformation, rectification, filtering, voltage stabilizing, the Switching Power Supply management circuit of forming by resistance R 1～R12, capacitor C 1～C11, diode D1～D3, choking-winding L1～L3, transformer TR1, metal-oxide-semiconductor VT1, integrated circuit (IC) 1～IC2, rectification integrated package BD1 between this input/output terminal, and DC voltage-stabilizing, filtering, output circuit.
3. LED street lamp integrated control circuit according to claim 2, it is characterized in that: described clock control circuit C, comprise a photoelectric coupling IC IC3-1, a clock control module, a plurality of switching device Jc-1～Jc-n, resistance R c and Rc-1, Rc-n, the positive pole of described photoelectric coupling IC IC3-1 connects 5 pin of described clock control module, and these module 4 pin of its negative pole also are connected with the positive pole of IC2 in the described LED switching power source control circuit; Described Rc one end connects 1 pin of this module, and the other end 3 is connected direct-flow positive pole output in the described LED switching power source control circuit; The end of described switch resistance Rc-1～Rc-n is serially connected on 2 pin of described Jc-1～Jc-n separately, and its other end 2 all is connected diode D4 negative pole and resistance R 11 centres in the described LED switching power source control circuit; 1 pin of described Jc-1～Jc-n connects a pin of clock module respectively, and its 3 pin connects the back successively and inserts in the described LED switching power source control circuit in the middle of the R11 and R12.
4. LED street lamp integrated control circuit according to claim 2 is characterized in that: described switch motion circuit B, and it comprises a photoelectric coupling IC IC3-2, a switching device Jb, a resistance R b; The collector electrode of described photoelectric coupling IC IC3-2 connects the end of described resistance R b, and its emitter connects 3 pin of described switching device Jb; After 1 pin of described switching device Jb connects the resistance R b other end, insert the Vd end in the described LED switching power source control circuit; 2 pin of described switching device Jb are connected in the described LED switching power source control circuit in the middle of the R6 and TR1 input.
4. LED street lamp integrated control circuit according to claim 2 is characterized in that: described light-operated circuit A, and it comprises a light-operated module, a triode Q1 and a resistance R a; The base stage of wherein said Q1 connects light-operated module, inserts the Vcc end in the described LED switching power source control circuit behind its collector series connection resistance R a, and its emitter inserts the earth terminal in the described LED switching power source control circuit.
5. LED street lamp integrated control circuit according to claim 1 is characterized in that: described LED switching power source control circuit, its two ac input end respectively are serially connected with a protective tube F1, a thermistor NTC, are parallel with a piezo-resistance VDR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201356348U CN201270605Y (en) | 2008-09-28 | 2008-09-28 | Synthetic control circuit for LED road lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201356348U CN201270605Y (en) | 2008-09-28 | 2008-09-28 | Synthetic control circuit for LED road lamp |
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| Publication Number | Publication Date |
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| CN201270605Y true CN201270605Y (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201356348U Expired - Fee Related CN201270605Y (en) | 2008-09-28 | 2008-09-28 | Synthetic control circuit for LED road lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064704A (en) * | 2010-12-27 | 2011-05-18 | 东莞市奇立电源有限公司 | Single-path multiple-voltage output power supply control method and device |
| CN102098844A (en) * | 2011-01-12 | 2011-06-15 | 杨立环 | Intelligent controller of LED (light emitting diode) street lamp |
-
2008
- 2008-09-28 CN CNU2008201356348U patent/CN201270605Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064704A (en) * | 2010-12-27 | 2011-05-18 | 东莞市奇立电源有限公司 | Single-path multiple-voltage output power supply control method and device |
| CN102064704B (en) * | 2010-12-27 | 2014-05-28 | 东莞市奇立电源有限公司 | Single-path multiple-voltage output power supply control method and device |
| CN102098844A (en) * | 2011-01-12 | 2011-06-15 | 杨立环 | Intelligent controller of LED (light emitting diode) street lamp |
| CN102098844B (en) * | 2011-01-12 | 2013-07-17 | 杨立环 | Intelligent controller of LED (light emitting diode) street lamp |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20090708 Termination date: 20120928 |