CN201957302U

CN201957302U - Intelligent controller for LED (Light-Emitting Diode) streetlamp

Info

Publication number: CN201957302U
Application number: CN2011200105912U
Authority: CN
Inventors: 杨立环; 杨岳华; 杨冰莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-12
Filing date: 2011-01-12
Publication date: 2011-08-31
Anticipated expiration: 2021-01-12

Abstract

Disclosed is an intelligent controller for an LED (Light-Emitting Diode) streetlamp. The intelligent controller is characterized in that in a working circuit, the debugging signals and light-operated signals respectively collected and processed by an outer debugging signal acquisition circuit and a photosensitive signal acquisition circuit are outputted simultaneously to a singlechip control circuit, after the program of the singlechip control circuit runs, command signals are output to control a relay in an output circuit to correspondingly actuate, so as to control the switching on or off and the current of a load power source circuit, thereby controlling the switching on or off and the brightness of an LED streetlamp. The controller carries out a full automatic intelligent control to the LED, namely light-dependent control and time-dependent control, automatically switches on or off the streetlamp according to the illumination, automatically adjusts the lighting brightness according to the set values, has a distinct energy saving effect, and can save energy by more than 30% compared with the existing LED streetlamp employing switching power supply.

Description

The LED road lamp intelligent controller

Technical field

The utility model relates to a kind of control device, particularly a kind of LED road lamp intelligent controller.

Background technology

For a long time, what generally use in the road lighting is traditional high-pressure sodium lamp etc., and energy consumption is big, and useful life is short.In recent years, along with developing rapidly that the LED illumination is used, high-power LED street lamp has appearred also, but mostly be to adopt Switching Power Supply, electric power outputting current is invariable, does not have autoregulation, entire work process all is in operation under the full load condition, and still energy consumption is bigger, influences useful life.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned weak point, simultaneously the LED illuminating lamp to be carried out light-operated, time control and provide a kind of, regulate brightness automatically, and energy-saving effect is outstanding, the LED road lamp intelligent controller that increases the service life.

The purpose of this utility model is achieved in that the LED road lamp intelligent controller comprises shell, the operating circuit that it is characterized in that it is by the external debug signal acquisition circuit, the photoreceptor signal Acquisition Circuit, single chip machine controlling circuit, output circuit, load power source circuit and control power circuit are formed, by the external debug signal acquisition circuit, the photoreceptor signal Acquisition Circuit is the debugging of acquisition process respectively, optically-controlled signal exports single chip machine controlling circuit simultaneously to, relay corresponding actions after the single chip machine controlling circuit program running in the output instruction signal controlling output circuit, break-make and size of current with the control load power circuit, thereby control opening of LED street lamp automatically, close and brightness, the control power circuit provides the control circuit power supply.Each electronic component welds that good back is installed in the enclosure, on the panel.

The utility model is owing to adopt above design, controller carries out the light-operated fully-automatic intelligent control that adds time control to LED, according to the automatic open and close of illumination, automatically adjust the brightness of illumination of different periods according to set point, energy-saving effect is outstanding, compares the existing LED road lamp energy-saving of Switching Power Supply that adopts more than 30%.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the operating circuit block diagram;

Fig. 3 is the operating circuit circuit diagram.

Embodiment

Now illustrated embodiment is made detailed description to the utility model in conjunction with the accompanying drawings.

The road lamp intelligent controller that present embodiment is chosen by 52 high brightness 1-3W great power LED series connection is an example, as shown in the figure, the LED road lamp intelligent controller comprises shell, its operating circuit is by external debug signal acquisition circuit I, photoreceptor signal Acquisition Circuit II, single chip machine controlling circuit III, output circuit IV, load power source circuit V and control power circuit VI form, the potentiometer W1 among the external debug signal acquisition circuit I wherein, the W3 sliding end connects LM324 comparator U1-1 in-phase input end respectively, inverting input, W1 one stiff end serial connection switch SW, the SW other end, W3 one stiff end, U1-1 earth terminal and ground connection, W1, another stiff end of W3, the U1-1 power end also meets power supply+5V.Potentiometer W2 among the photoreceptor signal Acquisition Circuit II, W4 sliding end connect LM324 comparator U1-2 in-phase input end, inverting input respectively, W2 one stiff end serial connection photo resistance RG, the RG other end, W4 one stiff end, U1-2 earth terminal and ground connection, another stiff end of W2, W4, U1-2 power end also meet power supply+5V.Single chip machine controlling circuit III is that core is formed with 89c2051 single-chip microcomputer U2, wherein U21 pin and connecting resistance R1, capacitor C1 one end, R1 other end ground connection, the C1 other end, U220 pin also meet power supply+5V, U24 pin serial connection crystal oscillator XTAL, capacitor C2, the C2 other end, capacitor C3 one end, U210 pin and ground connection, the U25 pin connects the C3 other end, and U26,9 pin connect U1-1, U1-2 output respectively.Among the output circuit IV, 1 of TLP521-4 photoisolator U3,3,5,7 pin connect 5 of exclusion RP2 respectively, 4,3,2 pin, 2 of U3,4,6,8 pin connect 18 of U2 respectively, 16,14,12 pin, 10 of U3,12,14,16 pin connect 8 of ULN2804 reverse driven U4 respectively, 6,4,2 pin, 9 of U3,11,13,15 pin, U49 pin and ground connection, 2 of exclusion RP1,3,4,5 pin connect 8 of U4 respectively, 6,4,2 pin, RP1,1 pin of RP2 also meets power supply+5V, capacitor C5, a resistance R 2 and an end that connects connect the U417 pin, the other end also connects diode D1 positive pole, midget relay KA coil one end, the D1 negative pole, the KA coil other end also meets power supply+12V, capacitor C6, a resistance R 3 and an end that connects connect the U413 pin, the other end also connects diode D2 positive pole, midget relay KB coil one end, the D2 negative pole, the KB coil other end also meets power supply+12V, capacitor C7, a resistance R 4 and an end that connects connect U4 11 pin, the other end also connects diode D3 positive pole, midget relay KC coil one end, the D3 negative pole, the KC coil other end also meets power supply+12V, the U410 pin connects power supply+12V, KA, KB, the normally opened contact KA-1 of KC, KB-1, the end of KC-1 also connects interchange input L end, the other end is respectively the input link A of load power source circuit V, B, C.Among the load power source circuit V, link A, B, the C that exchanges input L end is respectively after the parallel branch, capacitor COB, COC of series resistor R, capacitor COA and connect rectifier bridge QZ2 one input, another input of QZ2 connects to exchange imports the N end, the QZ2 output also connects capacitor C0, resistance R 0, be the LED link, the C0 minus earth.Among the control power circuit VI, exchange the step-down branch road of input L end serial connection by resistance R 5, capacitor C8 parallel connection, the step-down branch road other end, interchange input N end connect the corresponding input of rectifier bridge QZ1 respectively, between QZ1 negative pole of output end ground connection, the two ends and connect capacitor C9, voltage stabilizing didoe DW, resistance R 6, three-terminal regulator block U5 input, the U5 output also connects capacitor C10, C11, three-terminal regulator block U6 input, be power supply+12V output, the U6 output also meets capacitor C12, C13, is power supply+5V output.Each electronic component welds that good back is installed in the enclosure, on the panel.

The operation principle of this LED road lamp intelligent controller is as follows: as shown in Figure 3, when daytime during light intensity, the RG resistance is very little, and U1-2 "+" terminal voltage is lower than the accurate voltage of U1-2 "-" end group, and the U1-2 output low level is to the U29 pin, under the control of operation control program, U218 pin, 14 pin, 12 pin are low level, then U316 pin, 12 pin, 10 pin output low levels, and U417 pin, 13 pin, 11 pin are high level, KA, KB, all not adhesives of KC, LED is not luminous.When night is unglazed, the RG resistance is very big, U1-2 "+" terminal voltage is higher than the accurate voltage of U1-2 "-" end group, and U1-2 output high level is to the U29 pin, under the control of operation control program, the U218 pin, 14 pin, 12 pin are high level, U316 pin then, 12 pin, 10 pin output high level, the U417 pin, 13 pin, 11 pin are low level, KA, KB, the equal adhesive of KC, the luminous high-high brightness that reaches of LED, after this, under the control of operation delay procedure, delay time after 4-5 hour, control program discharges KC, the LED electric current reduces 1/3, and brightness only reduces a little, until moving to daybreak, the RG resistance diminishes, and turns to the working procedure on daytime.

For the ease of debugging and troubleshooting, the present embodiment design has Manual Transfer Switch SW, as shown in Figure 3, during with the SW closure, U1-1 "+" terminal voltage is lower than the accurate voltage of U1-1 "-" end group, and the U1-1 output low level is to the U26 pin, under the control of operation control program, follow-up work process working procedure on similar daytime, but the time is controlled.When SW disconnected, U1-1 "+" terminal voltage was higher than the accurate voltage of U1-1 "-" end group, and U1-1 output high level is to the U26 pin, and under the control of operation control program, follow-up work process working procedure at similar night is the time may command.

Claims

1. LED road lamp intelligent controller, comprise shell, the operating circuit that it is characterized in that it is by external debug signal acquisition circuit (I), photoreceptor signal Acquisition Circuit (II), single chip machine controlling circuit (III), output circuit (IV), load power source circuit (V) and control power circuit (VI) are formed, by external debug signal acquisition circuit (I), photoreceptor signal Acquisition Circuit (II) is the debugging of acquisition process respectively, optically-controlled signal exports single chip machine controlling circuit (III) simultaneously to, relay corresponding actions after single chip machine controlling circuit (III) program running in the output instruction signal controlling output circuit (IV), break-make and size of current with control load power circuit (V), thereby control opening of LED street lamp automatically, close and brightness, control power circuit (VI) provides the control circuit power supply, and each electronic component welds good back and installs in the enclosure, on the panel.

2. LED road lamp intelligent controller as claimed in claim 1, it is characterized in that the potentiometer W1 in the external debug signal acquisition circuit (I) wherein, the W3 sliding end connects LM324 comparator UI-1 in-phase input end respectively, inverting input, W1 one stiff end serial connection switch SW, the SW other end, W3 one stiff end, U1-1 earth terminal and ground connection, W1, another stiff end of W3, the U1-1 power end also meets power supply+5V, potentiometer W2 in the photoreceptor signal Acquisition Circuit (II), the W4 sliding end connects LM324 comparator U1-2 in-phase input end respectively, inverting input, W2 one stiff end serial connection photo resistance RG, the RG other end, W4 one stiff end, U1-2 earth terminal and ground connection, W2, another stiff end of W4, the U1-2 power end also meets power supply+5V, single chip machine controlling circuit (III) is that core is formed with 89c2051 single-chip microcomputer U2, wherein U21 pin and connecting resistance R1, capacitor C1 one end, R1 other end ground connection, the C1 other end, the U220 pin also meets power supply+5V, U24 pin serial connection crystal oscillator XTAL, capacitor C2, the C2 other end, capacitor C3 one end, U210 pin and ground connection, the U25 pin connects the C3 other end, U26,9 pin connect U1-1 respectively, the U1-2 output, in the output circuit (IV), 1 of TLP521-4 photoisolator U3,3,5,7 pin connect 5 of exclusion RP2 respectively, 4,3,2 pin, 2 of U3,4,6,8 pin connect 18 of U2 respectively, 16,14,12 pin, 10 of U3,12,14,16 pin connect 8 of ULN2804 reverse driven U4 respectively, 6,4,2 pin, 9 of U3,11,13,15 pin, U49 pin and ground connection, 2 of exclusion RP1,3,4,5 pin connect 8 of U4 respectively, 6,4,2 pin, RP1,1 pin of RP2 also meets power supply+5V, capacitor C5, a resistance R 2 and an end that connects connect the U417 pin, the other end also connects diode D1 positive pole, midget relay KA coil one end, the D1 negative pole, the KA coil other end also meets power supply+12V, capacitor C6, a resistance R 3 and an end that connects connect the U413 pin, the other end also connects diode D2 positive pole, midget relay KB coil one end, the D2 negative pole, the KB coil other end also meets power supply+12V, capacitor C7, a resistance R 4 and an end that connects connect the U411 pin, the other end also connects diode D3 positive pole, midget relay KC coil one end, the D3 negative pole, the KC coil other end also meets power supply+12V, the U410 pin connects power supply+12V, KA, KB, the normally opened contact KA-1 of KC, KB-1, the end of KC-1 also connects interchange input L end, the other end is respectively the input link A of load power source circuit (V), B, C, in the load power source circuit (V), exchange the link A of input L end, B, C is series resistor R respectively, the parallel branch of capacitor COA, capacitor COB, behind the COC and connect rectifier bridge QZ2 one input, another input of QZ2 connects to exchange imports the N end, the QZ2 output also meets capacitor C0, resistance R 0, be the LED link, the C0 minus earth, in the control power circuit (VI), exchange input L end serial connection by resistance R 5, the step-down branch road of capacitor C8 parallel connection, the step-down branch road other end, exchange input N end and connect the corresponding input of rectifier bridge QZ1 respectively, QZ1 negative pole of output end ground connection, between the two ends and meet capacitor C9, voltage stabilizing didoe DW, resistance R 6, three-terminal regulator block U5 input, the U5 output also meets capacitor C10, C11, three-terminal regulator block U6 input, be power supply+12V output, the U6 output also meets capacitor C12, C13 is power supply+5V output.