CN103917014A

CN103917014A - LED streetlamp with power being regularly and automatically lowered by 60%

Info

Publication number: CN103917014A
Application number: CN201410083231.3A
Authority: CN
Inventors: 黄焕珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-08
Filing date: 2014-03-08
Publication date: 2014-07-09

Abstract

Disclosed is an LED streetlamp with the power being regularly and automatically lowered by 60%. The circuit structure of the LED streetlamp is composed of a resistive and capacitive step-down circuit, a rectifying circuit, a composite filter circuit, a timer circuit and an LED luminous panel circuit. The working process of the LED streetlamp is characterized in that when the LED streetlamp is powered on and starts to work, the LED streetlamp works under the sparkly bright working condition; meanwhile, timing is started, 60% of capacitance in the resistive and capacitive step-down circuit is removed when the counted time is up, and the LED streetlamp will work with 40% of power at the moment. In this way, it is achieved that more than 60% of electric energy is saved by the LED streetlamp on the basis of energy saving.

Description

A kind of timing automatic reduces the LED street lamp of 60% power

Technical field

The present invention relates to a kind of timing automatic and turn down the LED street lamp of 60% power.

Background technology

LED street lamp is to obtain a wide range of applications than its power saving 90% of incandescent lamp and the strong advantage of durability, be that present LED street lamp does not have dimming function, LED street lamp is from just lighting vehement light yellow always, in the second half of the night in the time period of straight daybreak, road is got on the bus and is rare per capita, allows lamp vehement brightly obviously there is no need always.One wastes electric energy; Two carry out the voltage of circuit superelevation after midnight works the mischief to LED bulb lamp.

Summary of the invention

A kind of timing automatic of the present invention reduces the LED street lamp of 60% power, a kind of lamp body inner control circuit timing automatic regulating power function is provided, set timing according to road occupation overview, in setting-up time section, LED street lamp is with vehement bright operating mode work, in the time waiting timing to count down to, automatically reduce by 60% power, as original vehement when bright the power of lamp be 100W, the power of back light with an automatic light meter is reduced to 40W, reduced 60W, one has improved the energy-saving efficiency of LED street lamp; Two carry out light modulation has reduced several volts automatically with the LED luminous plaque operating voltage in back light, allows LED street lamp escape the harm of circuit extra-high pressure to street lamp after midnight, guarantees that LED street lamp is durable for a long time.

Timing automatic reduces a LED street lamp for 60% power, and its circuit structure is by capacitance-resistance voltage reduction circuit, rectification and filter circuit, timing circuit and luminous plaque the electric circuit constitute.

Accompanying drawing explanation

Accompanying drawing is the circuit theory diagrams that a kind of timing automatic reduces the LED street lamp of 60% power.

Embodiment

As shown in drawings, C1, C2 and R1 composition capacitance-resistance voltage reduction circuit, it gives rectification circuit after 220V alternating current is reduced to some values.C1 value is 4:6 than C2 value, more than withstand voltage 400V.And C2 loop is controlled by the normally opened contact J of relay.

As shown in drawings, the rectifier of rectification and filter circuit is single-phase 220V full-wave rectification, and it becomes Rectified alternating current output alternating current; Filter circuit is made up of C3 and L, utilizes the reactive complementation function of inductance L and capacitor C 3, and one can become direct current output more stably Rectified alternating current; Two can improve the power factor of LED street lamp.

As shown in drawings, IC2 and peripheral circuit composition timer circuit, the model of IC2 is CD4060, external resistance R 2, the C5 of 12 pin of IC2 is electrifying self-resetting circuit, when LED switches on power moment, IC2's pulse signal of 12 pin is resetted and timer counter starts.

As shown in drawings, external resistance R 3, R4 and the capacitor C 6 of 9,10 pin of IC2 is timing resistance used, selects suitable resistance and capacitance, just can be regularly 4 hours or 6 hours.The external A of 10 pin of IC2 is the diverter switch of 4 hours and 6 hours, and in the time that A disconnects, timing is 6 hours; In the time that A is closed, timing is 4 hours.

3 pin of IC2 are timer output ends, rigidly connect energize moment at IC2,3 pin output low level signals, make the triode T of positive-negative-positive become conducting from cut-off, IC3 obtains electronic work, and its normally opened contact IC3 connects C2 loop, and capacitance-resistance voltage reduction circuit is supplied with LED street lamp operating current with specified current value.After the timer counter of IC2 arrives, 3 pin of IC2 become high level from low level, cause triode T to become cut-off from conducting, its normally opened contact IC3 disconnects C2 loop, resistance-capacitance circuit is supplied with LED street lamp operating current with 40% load current value, realizes after light modulation LED street lamp electric energy of energy-conservation 60% again on energy-conservation basis.

As shown in drawings, LED is high-power 1W light-emitting diode, and its quantity and wiring are according to the power decision of lamp, and input is received the output of compound filter circuit.

As shown in drawings, V is piezo-resistance, plays in the line overvoltage protection effect.IC1 is three terminal regulator, selects suitable voltage stabilizing value, and the voltage of being exported by IC1 is supplied with IC2 operating current.D1 is switching diode, and negative pole is received 11 ends of IC2, and in the time of the 3 end output high level of IC2, high level signal makes the cut-off of IC2 internal oscillator, keeps the high level signal output of IC2.

Claims

1. new timing automatic reduces a LED street lamp for 60% power, and its special card is: the circuit of LED street lamp is made up of capacitance-resistance voltage reduction circuit, rectification circuit, timer circuit and LED luminous plaque.

2. a kind of timing automatic according to claim 1 reduces the LED street lamp of 60% power, it is characterized in that: capacitance-resistance voltage reduction circuit is made up of C1, C2 and R1, and C2 is controlled by the normally opened contact IC3 of relay.

3. a kind of timing automatic according to claim 1 reduces the LED street lamp of 60% power, it is characterized in that: rectification circuit is made up of single phase bridge type rectifier circu, and capacity is selected according to LED street lamp power.

4. a kind of timing automatic according to claim 1 reduces the LED street lamp of 60% power, it is characterized in that: timer is CD4060 chip and peripheral circuit group by model, and timing can be set 4-6 hour, and 3 ends of IC1 connect positive-negative-positive triode.

5. a kind of timing automatic according to claim 4 reduces the LED street lamp of 60% power, and its special card is: external resistance R 3, R4 and the capacitor C 6 of 9,10 pin of IC2 is timing elements used.

6. a kind of timing automatic according to claim 4 reduces the LED street lamp of 60% power, it is characterized in that: the external diode D1 of 12 pin of timer IC2.

7. a kind of timing automatic according to claim 1 reduces the ED street lamp of 60% power, it is characterized in that: LED luminous plaque is made up of high-power 1W chip, and string wiring are determined by power and the requirement of lamp.