CN2786904Y - Color lamp synchronous controller - Google Patents

Color lamp synchronous controller Download PDF

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Publication number
CN2786904Y
CN2786904Y CN 200520054271 CN200520054271U CN2786904Y CN 2786904 Y CN2786904 Y CN 2786904Y CN 200520054271 CN200520054271 CN 200520054271 CN 200520054271 U CN200520054271 U CN 200520054271U CN 2786904 Y CN2786904 Y CN 2786904Y
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circuit
color lamp
power
synchronous
signal
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Expired - Fee Related
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CN 200520054271
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Chinese (zh)
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张东方
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Abstract

The utility model relates to a color lamp synchronous controller which is designed in order to solve the problems that the realization of the synchronization of the existing color lamp controllers has high cost, etc. The color lamp synchronous controller of the utility model comprises a power circuit, an intelligent control circuit, a driving circuit and a synchronous pulse extracting circuit, wherein pulse signals which have same frequency with commercial power AC can be converted from AC power signals which are introduced from the power circuit and the pulse signals are input into the clock signal input end of the intelligent control circuit. When a plurality of color lamp synchronous controllers adopt same circuits, as the color lamp synchronous controllers are connected to a commercial power AC power, the pulse signals output by the color lamp synchronous controllers are all synchronous. The pulse signals are used as clock signals of the intelligent control circuit, so the color lamp synchronous controllers can be ensured to work with same clock signals without any line connection. Thereby, synchronous color variation is automatically realized.

Description

The color lamp isochronous controller
Technical field
The utility model relates to ornamental festoon lamp, more particularly, relates to a kind of color lamp isochronous controller that is used to control ornamental festoon lamp.
Background technology
Existing ornamental festoon lamp, normally with LED (light-emitting diode) as luminescent device, and control the flicker illumination effect of each LED by correspondent control circuits.
Be illustrated in figure 1 as a typical color lamp controller, as can be seen from the figure, this controller 10 comprises power circuit 101, intelligence control circuit 102 and drive circuit 103.Drive circuit 103 is used to drive each LED.LED wherein is the LED of R, G, B (red, green, yellow) three primary colors normally.By this controller, can control color lamp color, the brightness at any one time that is attached thereto easily.For example, it is complete bright and other colors LED goes out entirely to control red LED, thereby becomes red color lamp, as a same reason, also can become green color lamp, or become yellow color lamp; In addition, it is shinny by two or three color LED combination to be controlled at the different moment, and the LED of each color can be partly or entirely shinny, thus one-tenth multicolour capable of being combined, and can change irregularly on demand.In intelligence control circuit 103, adopt Programmable Logic Device usually, be convenient to according to the different requirements of different clients or same client's different time the input corresponding control programs to the light coloring Changing Pattern.
This color lamp controller can be controlled one or more color lamp, but in some large-scale place (for example large-scale square), need the multichannel color lamp to work simultaneously, but the distance between them is distant again, so can control respectively by a plurality of color lamp controllers, and the consistency of multichannel color lamp on the operating time is difficult to guarantee, because each color lamp controller works alone, corresponding color lamp change state also is respectively independently, thereby can cause the change state between each color lamp asynchronous.Solution of the prior art is to adopt unified synchronised clock control line, at this moment needs to increase clock source simultaneously, and needs wiring in addition, installs and uses all very inconvenient.
The utility model content
At the above-mentioned defective of prior art, the utility model will solve between the existing color lamp controller and realize that synchronous cost is too high, and very inconvenient problem.
For solving the problems of the technologies described above, the utility model provides a kind of color lamp isochronous controller, comprise power circuit, intelligence control circuit and drive circuit, described intelligence control circuit sends control signal corresponding to described drive circuit, and described drive circuit then is used to control the break-make of the color lamp power supply that is attached thereto; Wherein also comprise a synchronous pulse extracting circuit, described synchronous pulse extracting circuit can be changed out the pulse signal that exchanges same frequency with civil power according to the ac supply signal of introducing from described power circuit, and described pulse signal is input to the clock signal input terminal of described intelligence control circuit.
In the synchronous pulse extracting circuit of the present utility model, can adopt an optical coupling element to finish lock-out pulse and extract, a described ac supply signal of input termination of described optical coupling element, another input end grounding; The power supply termination positive supply of described optical coupling element, the output resistance grounded, and as described pulse signal output end.
In the synchronous pulse extracting circuit of the present utility model, also can adopt two optical coupling elements to finish lock-out pulse extracts, wherein first positive input terminal is connected back ground connection with second negative input end, first negative input end with connect described ac supply signal after second positive input terminal is connected; The power supply termination positive supply of described two optical coupling elements, output interconnect the back resistance grounded, and as described pulse signal output end.
In the synchronous pulse extracting circuit of the present utility model, also can adopt resistance that is connected with described ac supply signal and the rectifier diode of connecting with described resistance forward to finish lock-out pulse and extract, the negative pole of described rectifier diode is as described pulse signal output end.In addition, also can further save described rectifier diode, directly with the other end of described resistance directly as described pulse signal output end.
Intelligence control circuit in the utility model and drive circuit can be various circuit of the prior art, and difference is it all is the pulse signal exported with the described synchronous pulse extracting circuit clock signal as intelligence control circuit.
From such scheme as can be seen, color lamp isochronous controller of the present utility model is a time reference with the periodic signal that civil power exchanges, therefrom extract pulse signal, and with the clock signal as intelligence control circuit, so, each independently need not connect up and install synchronizer in addition between the color lamp isochronous controller and can realize synchronous working.This scheme is particularly suitable for large-scale lamp light landscape engineering, to form the color lamp of synchronous change.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of existing color lamp controller;
Fig. 2 is the theory diagram of the utility model color lamp isochronous controller;
Fig. 3 is the circuit diagram of power circuit and synchronous pulse extracting circuit in preferred embodiment of the utility model;
Fig. 4 is the circuit diagram of power circuit and synchronous pulse extracting circuit in another preferred embodiment of the utility model;
Fig. 5 A is the oscillogram of ac supply signal;
The oscillogram of the pulse signal P1 that Fig. 5 B is among Fig. 3 to be exported;
The oscillogram of the pulse signal P2 that Fig. 5 C is among Fig. 4 to be exported;
Fig. 6 is the circuit diagram of power circuit and synchronous pulse extracting circuit among another embodiment of the utility model;
Fig. 7 is the circuit diagram of power circuit and synchronous pulse extracting circuit in another preferred embodiment of the utility model;
Fig. 8 is the circuit diagram of color lamp isochronous controller in another preferred embodiment of the utility model.
Embodiment
The principle of the utility model color lamp isochronous controller as shown in Figure 2, power circuit 201 wherein, intelligence control circuit 202 and drive circuit 203 can be identical with the related circuit among Fig. 1, during concrete enforcement, can adopt various similar circuit of the prior art.Contrast as can be seen with Fig. 1, color lamp isochronous controller of the present utility model increases a synchronous pulse extracting circuit 204 on the basis of common color lamp controller 10.This synchronous pulse extracting circuit 204 can be from the ac supply signal of power circuit 201 introducings, change out the pulse signal that exchanges same frequency with civil power according to this ac supply signal then, and this pulse signal is input to the clock signal input terminal of intelligence control circuit, the intelligent controller 203 that makes the color lamp synchronization control circuit with this pulse signal as its reference clock.
In preferred embodiment of the utility model, power circuit and synchronous pulse extracting circuit are as shown in Figure 3.As can be seen from Figure 3, wherein, be the 10V alternating current with the step-down of 220V alternating current by transformer P1, then through rectifier bridge diode, filter capacitor, voltage stabilizing circuit U3, export D.C. regulated power supply VCC at last, just finish the repertoire of power circuit.
Aspect synchronous pulse extracting circuit, be input to the positive input terminal of optical coupling element U8 through resistance R 1, R2 by the 10V alternating current of transformer P1 output.For optical coupling element U8, when input voltage during greater than the conducting voltage of photodiode, photodiode is luminous, and corresponding phototriode conducting makes this optical coupling element U8 output high level; When input voltage during less than the conducting voltage of photodiode, photodiode is not luminous, and corresponding phototriode ends, and makes this optical coupling element U8 output low level; So, from the sine wave shown in Fig. 5 A, can obtain the lock-out pulse ripple P1 shown in Fig. 5 B, this lock-out pulse ripple can be used as the clock signal of intelligence control circuit.If the required frequency of intelligent controller is higher, then can carry out process of frequency multiplication to this lock-out pulse ripple, if the required frequency of intelligent controller is higher, then can carries out frequency division and handle this lock-out pulse ripple.
In the utility model, another preferred embodiment of power circuit and synchronous pulse extracting circuit as shown in Figure 4.Transformer in power circuit is with rectification circuit is different, the main distinction of it and Fig. 3 is, wherein be provided with two optical coupling element U8, U9, wherein the positive input terminal of U8 is connected back ground connection with the negative input end of U9, the negative input end of U8 with connect ac supply signal after the positive input terminal of U9 is connected; The power supply termination positive supply VCC of U8, U9, output interconnects after resistance R 3 ground connection, and as pulse signal output end.So, the positive half cycle and the negative half period of sinusoidal ac all are converted into pulse signal, so, from the sine wave shown in Fig. 5 A, can obtain the lock-out pulse ripple P2 shown in Fig. 5 C.
Another embodiment of the present utility model as shown in Figure 6, as can be seen from the figure, it is on the basis of Fig. 3, voltage stabilizing didoe D3, the D4 of optical coupling element and front thereof have been omitted, resistance R 3, and capacitor C 8, and draw by the signal of rectification from the output of rectifier bridge, through resistance R 2 output, directly obtain the all-wave signal (negative half-wave wherein also becomes positive half wave by rectification) of sinusoidal ac, with as synchronization pulse.
Another embodiment of the present utility model as shown in Figure 7, as can be seen from the figure, it is on the basis of Fig. 4, be voltage stabilizing didoe D3, the D4 that has omitted optical coupling element and front thereof equally, resistance R 3, and capacitor C 8, but directly obtain the half-wave voltage signal of sinusoidal ac through resistance R 2 and diode, with as synchronization pulse.
Synchronous pulse extracting circuit of the present utility model is not limited to above-mentioned several embodiment, can also other modes extract synchronization pulse from ac supply signal, and with its clock signal as intelligence control circuit.
Be illustrated in figure 8 as the circuit diagram of color lamp isochronous controller in another preferred embodiment of the utility model, wherein, the 110V AC power directly is input to rectifier bridge D through resistance R 1, capacitor C 1, thereby finish the function of power circuit, the output low-voltage dc power supply, this low-voltage dc power supply can be used as the chip U of back and the working power of each LED.On the other hand, similar with Fig. 7, the power supply signal after the rectification directly is input to the 11st pin of chip U (for example adopting model is the chip of CMOS4060) also through resistance R 10 as clock signal, make this chip with as clock signal work.In chip, write suitable control program, can control chip pin one 4,15,13 the different moment be in by or low level state, and then control the luminous combined situation of corresponding R, G, B three-primary color LED.
If all color lamp isochronous controllers all adopt identical circuit, for example all adopt circuit shown in Figure 3, or all adopt Fig. 4, Fig. 6, Fig. 7, circuit shown in Figure 8, when controlling different color lamps independently respectively with these color lamp isochronous controllers, because they all are that the frequency (China is 50Hz) that exchanges with identical civil power is a time reference, from ac supply signal, extract pulse signal, and with the clock signal of this pulse signal as intelligence control circuit, make that not needing any circuit between each color lamp isochronous controller connects, and can come work by identical clock signal.So, each independently need not connect up and install synchronizer between the color lamp isochronous controller in addition, can realize synchronous working.

Claims (6)

1, a kind of color lamp isochronous controller, comprise power circuit, intelligence control circuit and drive circuit, described intelligence control circuit sends control signal corresponding to described drive circuit, and described drive circuit then is used to control the break-make of the color lamp power supply that is attached thereto, it is characterized in that
Also comprise a synchronous pulse extracting circuit, described synchronous pulse extracting circuit can be changed out the pulse signal that exchanges same frequency with civil power according to the ac supply signal of introducing from described power circuit, and described pulse signal is input to the clock signal input terminal of described intelligence control circuit.
2, color lamp isochronous controller according to claim 1 is characterized in that,
In the described synchronous pulse extracting circuit, comprise an optical coupling element, a described ac supply signal of input termination of described optical coupling element, another input end grounding; The power supply termination positive supply of described optical coupling element, the output resistance grounded, and as described pulse signal output end.
3, color lamp isochronous controller according to claim 1 is characterized in that,
In the described synchronous pulse extracting circuit, comprise two optical coupling elements, wherein first positive input terminal is connected back ground connection with second negative input end, first negative input end with connect described ac supply signal after second positive input terminal is connected; The power supply termination positive supply of described two optical coupling elements, output interconnect the back resistance grounded, and as described pulse signal output end.
4, color lamp isochronous controller according to claim 1, it is characterized in that, in the described synchronous pulse extracting circuit, comprise the resistance that is connected with described ac supply signal, and the rectifier diode of connecting with described resistance forward, the negative pole of described rectifier diode is as described pulse signal output end.
5, color lamp isochronous controller according to claim 1 is characterized in that,
In the described synchronous pulse extracting circuit, comprise the resistance that is connected with described ac supply signal, the other end of described resistance is directly as described pulse signal output end.
6, according to each described color lamp isochronous controller among the claim 1-5, it is characterized in that, comprise the reduction voltage circuit, rectification circuit, filter circuit and the voltage stabilizing circuit that connect successively in the described power circuit; Described synchronous pulse extracting circuit is introduced described ac supply signal from the output of described reduction voltage circuit.
CN 200520054271 2005-01-24 2005-01-24 Color lamp synchronous controller Expired - Fee Related CN2786904Y (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103155709A (en) * 2010-10-06 2013-06-12 功率芯片有限公司 Light-emitting diode driving circuit for lighting
CN103672815A (en) * 2013-12-18 2014-03-26 宁波市柯玛士太阳能科技有限公司 Head lamp
CN106028597A (en) * 2016-07-01 2016-10-12 浙江大邦科技有限公司 Illumination system, and illumination driving power supply and control method thereof
CN107577583A (en) * 2017-09-13 2018-01-12 深圳市嘉合劲威电子科技有限公司 Memory bar synchronous light-emitting method and device
CN112764456A (en) * 2021-01-11 2021-05-07 厦门通士达照明有限公司 Method, medium, and apparatus for synchronizing states of lighting devices

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103155709A (en) * 2010-10-06 2013-06-12 功率芯片有限公司 Light-emitting diode driving circuit for lighting
CN103155709B (en) * 2010-10-06 2015-01-07 功率芯片有限公司 Light-emitting diode driving circuit for lighting
CN103672815A (en) * 2013-12-18 2014-03-26 宁波市柯玛士太阳能科技有限公司 Head lamp
CN103672815B (en) * 2013-12-18 2016-04-27 宁波市柯玛士电器实业有限公司 A kind of head lamp
CN106028597A (en) * 2016-07-01 2016-10-12 浙江大邦科技有限公司 Illumination system, and illumination driving power supply and control method thereof
CN107577583A (en) * 2017-09-13 2018-01-12 深圳市嘉合劲威电子科技有限公司 Memory bar synchronous light-emitting method and device
CN107577583B (en) * 2017-09-13 2020-06-16 深圳市嘉合劲威电子科技有限公司 Synchronous lighting method and device for memory bank
CN112764456A (en) * 2021-01-11 2021-05-07 厦门通士达照明有限公司 Method, medium, and apparatus for synchronizing states of lighting devices

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