CN2922374Y - New variable colour lamp string - Google Patents
New variable colour lamp string Download PDFInfo
- Publication number
- CN2922374Y CN2922374Y CN 200620074047 CN200620074047U CN2922374Y CN 2922374 Y CN2922374 Y CN 2922374Y CN 200620074047 CN200620074047 CN 200620074047 CN 200620074047 U CN200620074047 U CN 200620074047U CN 2922374 Y CN2922374 Y CN 2922374Y
- Authority
- CN
- China
- Prior art keywords
- mentioned
- lamp string
- circuit
- control chip
- system clock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a novel variable color lamp string, which comprises a power supply circuit, a lamp string formed by double-color LEDs through serial connection and a control circuit, wherein, the control circuit comprises a control chip and an output circuit; the lamp string is connected in series between an AC power supply and the output circuit; the control chip comprises an AC detector, a system clock, a corrector, an operation execution circuit and an output terminal. The utility model is characterized in that: the alternating current zero point is used as the timing zero point for the system clock of the control chip, and during each discoloration cycle alternating current zero point is found out through the corrector for being used as timing zero point for the system clock of the control chip with the timing zero point of each discoloration cycle being uniform as for a plurality of lamp strings within one AC network, thereby the clock error of the control chip can not be accumulated, so as to guarantee persistent synchronous discoloration after long work of the lamp string.
Description
Technical field
The utility model relates to a kind of decorative lamp, especially a kind of Color-changing lamp string.
Background technology
The Color-changing lamp string generally is used to dress a Christmas tree or outdoor night scene is decorated, and it generally comprises lamp string and controller.
United States Patent (USP) U.S.Pat.NO.2515236 discloses a kind of Color-changing lamp string, and it comprises redness, green, and blue lamp holder, each lamp holder link to each other with an output of autotransformer respectively.Autotransformer links to each other with AC power supplies, the center of autotransformer has a motor different voltage to be provided and to control lamp string color for each lamp holder, although this lamp string may produce different colors, use motor and autotransformer seem heavy and are not suitable for complicated color.
United States Patent (USP) U.S.Pat.NO.5008595 also discloses a kind of bi-colour light string that is connected in parallel of the DC of use power supply, its each dual-colored LED comprises a redness and back-to-back a connection of green LED, and each dual-colored LED is by " H " bridge type circuit power supply that is connected in parallel.A control circuit that is connected to " H " bridge type circuit makes redness and green LED respectively through a half-wave, and each half-wave is by the modulation input control that links to each other with control circuit.Therefore, dual-colored LED can continue shinny or flicker, even the color of dual-colored LED can checker.This bi-colour light string, controller and " H " bridge type circuit have increased the complexity of lamp string, even the inversion frequency of lamp string color is subjected to modulating the restriction of input.Therefore, the lamp string color that can change out is restricted.
United States Patent (USP) U.S.Pat.No.5,420,482 disclose the lamp string of the more colour switchings of permission.The lamp string has comprised a controller illuminated message has been sent to light emitting module.Each light emitting module comprises at least two lamp holders and accepts luminous signal to control the brightness of lamp holder respectively with a control unit that links to each other with lamp holder.But, luminous signal only in the special time period inner control brightness of lamp holder, therefore, this lamp string is not specially adapted to complicated color shows.
United States Patent (USP) U.S.Pat.No.4,317.071 disclose a kind of computerized constantly light-emitting device of changes colour.This light-emitting device comprises a plurality of colored lamp holders, a low frequency clock and a control circuit that links to each other with the low frequency clock, and control circuit links to each other to control the brightness of each lamp holder with each lamp holder.But, the inversion frequency of lamp holder brightness be subjected to the low frequency clock frequency control and the color that changes out be restricted.
United States Patent (USP) U.S.Pat.No.6285140 discloses a kind of simple relatively and variable multifunctional discoloring lamp string that dissolves multiple different colours, and it comprises power circuit, controller and lamp string.Lamp in the lamp string is a dual-colored LED, controller comprises a control chip and the ovonic switch by the output control of control chip, the lamp polyphone is connected between AC power supplies and the ovonic switch, control chip comprises a permanent memory that enrolls a plurality of trigger angle patterns, be used for being provided with the trigger angle of ovonic switch according to selected pattern, controller is changed between a plurality of trigger angle patterns automatically and can be according to the time transition trigger angle pattern of setting, thereby the color of bi-colour light string can be chosen at random.This Color-changing lamp string, it is the variable color of controlling the lamp string according to the system clock of control chip, because inevitable clocking error between each control chip, like this, be connected the lamp string on the different controllers, after the continuous operation long period, the clocking error of the control chip on each controller is through just making the color variation of each lamp colour contamination asynchronous after the accumulation for a long time.
The utility model content
The purpose of this utility model provides a kind of novel Color-changing lamp string that remains synchronous variable color.
The technical solution of the utility model is such: a kind of novel Color-changing lamp string, comprise power circuit, be connected in series lamp string and the control circuit that forms by dual-colored LED, provide dc supply by above-mentioned power circuit for above-mentioned control circuit, above-mentioned control circuit comprises control chip and output circuit, above-mentioned lamp polyphone is connected between AC power and the above-mentioned output circuit, above-mentioned output circuit comprises electronic switch and diode, and the trigger end of above-mentioned electronic switch is connected the output of above-mentioned control chip; Above-mentioned control chip comprises the AC detector, system clock, adjuster, computing executive circuit and outlet terminal, the input of above-mentioned AC detector is connected on the AC power by sampling element, its output is connected respectively to the said system clock, on adjuster and the computing executive circuit, above-mentioned adjuster is connected with above-mentioned computing executive circuit with the said system clock respectively, the said system clock is connected with above-mentioned computing executive circuit, the input of above-mentioned outlet terminal connects the output of above-mentioned computing executive circuit, and the output of above-mentioned outlet terminal connects the trigger end of above-mentioned electronic switch.
Above-mentioned electronic switch is an one-way SCR.
Above-mentioned computing executive circuit comprises computing CPU, CST schema management device and SUB controller, above-mentioned computing CPU is connected with the SUB controller with above-mentioned AC detector, adjuster, CST schema management device respectively, above-mentioned CST schema management device is connected with the SUB controller with above-mentioned adjuster respectively, and above-mentioned SUB controller is connected with the said system clock.
Above-mentioned control chip also comprises the high-frequency clock controller, and above-mentioned high-frequency clock controller connects above-mentioned CST schema management device.
Above-mentioned control chip also comprises house dog, and above-mentioned house dog connects above-mentioned CST schema management device, SUB controller and outlet terminal respectively.
After adopting such scheme, in the utility model, the AC detector just begins to carry out the alternating current detection after the start energized, if this moment, alternating current was not to be in zero point, adjuster is started working, in the time range of setting, find the zero point of alternating current, and this zero signal is transferred to the timing zero point of system clock as system clock, the computing executive circuit just begins to carry out the color change cycle of preassigned pattern zero point according to this timing, after a color change cycle finishes, the AC detector just detects alternating current again, and calibrated device is proofreaied and correct the zero point of finding out alternating current, once more this zero signal is transferred to the timing zero point of system clock as system clock, the computing executive circuit just begins to carry out next color change cycle zero point according to this timing once more.Novel Color-changing lamp string of the present utility model, owing to use the timing zero point of the zero point of alternating current as the system clock of control chip, and each color change cycle is all found out the timing zero point of the zero point of alternating current as the system clock of control chip by adjuster, for the many cluster of lamps, ornamental string that is used in same AC network, be unified timing zero point of each color change cycle, like this, the clocking error of control chip does not produce accumulation, thereby guarantees can also keep synchronous variable color after the lamp string works long hours.And in the utility model, control chip also is provided with house dog, is used to prevent that the data of SUB controller and CST schema management device is excessive, and is outlet terminal, SUB controller, the zero clearing when outage of CST schema management device.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the control logic figure of control chip among Fig. 1.
Fig. 3 is the circuit theory diagrams of another embodiment of the utility model.
Embodiment
A kind of novel Color-changing lamp string of the present utility model, connecting single cluster of lamps, ornamental string with control circuit is example, as shown in Figure 1, comprises power circuit, control circuit and lamp string 1.Lamp string 1 is formed by a plurality of dual-colored LED serial connections, and each dual-colored LED adopts two led chip reverse parallel connections, is made up of two kinds of different light emitting sources elements.Power circuit comprises rectifier diode D1, resistance R 1, resistance R 2, resistance R 3, voltage-stabiliser tube D2 and filter capacitor C1, the anode of rectifier diode D1 connects an end of 120V AC power, the negative electrode of rectifier diode D1 connects an end of resistance R 1, the other end of resistance R 1 connects an end of resistance R 2, the other end of resistance R 2 connects the power positive end of anodal and above-mentioned control circuit of negative electrode, the filter capacitor C1 of an end, the voltage-stabiliser tube D2 of resistance R 3, and it is extreme that the anode of the other end of resistance R 3, voltage-stabiliser tube D2 and the negative pole of filter capacitor C1 are connected to the power-of control circuit.Exchange the 120V power supply through rectifier diode D1 rectification, resistance R 1, R2 step-down, filter capacitor C1 filtering, voltage-stabiliser tube D2 voltage stabilizing is formed the 4.7V D.C. regulated power supply, for control circuit provides operating voltage.Control circuit comprises control chip IC1, unidirectional controllable silicon S CR, diode D3-D6, sample resistance R4 and resistance R 5-R12.The power end of control chip IC1 connects the anode of the voltage-stabiliser tube D2 in the power circuit; The input of control chip IC1 is connected to the anode of rectifier diode D1 by sample resistance R4; The output of control chip IC1 connects the trigger end of unidirectional controllable silicon S CR by resistance R 6; The negative electrode of unidirectional controllable silicon S CR connects the positive pole of filter capacitor C1, an end of resistance R 5, the reset terminal of control chip IC1, the anode of diode D4 and the anode of diode D6 respectively, and the anode of unidirectional controllable silicon S CR connects the negative electrode of diode D3 and the negative electrode of diode D5 respectively; The negative electrode of the anode of diode D3 and diode D4 is connected to the other end of 120V AC power by fuse FUSE1; The anode of diode D5 has been connected in series resistance R 7, R8, the R9 of metering function successively, the negative electrode of diode D6 has been connected in series resistance R 10, R11, the R12 of metering function successively, the rear end of resistance R 9 is connected with the rear end of resistance R 12 and is connected an end of lamp string 1, and the other end of lamp string 1 connects the anode of rectifier diode D1.As control chip IC1 output control signal triggering unidirectional controllable silicon S CR, when AC power is in positive half cycle, lamp string 1, diode D5, unidirectional controllable silicon S CR, diode D4 form a loop, and lamp string 1 gets electroluminescence.As control chip IC1 output control signal triggering unidirectional controllable silicon S CR, when AC power is in negative half period, diode D3, unidirectional controllable silicon S CR, diode D6, lamp string 1 form a loop, and lamp string 1 gets electroluminescence.
As shown in Figure 2, control chip IC1 comprises power supervisor, AC detector, system clock, computing CPU, adjuster T500, CST schema management device, SUB controller, high-frequency clock controller, house dog and outlet terminal.The input of power supervisor connects the anode of the voltage-stabiliser tube D2 in the power circuit, and for the The whole control chip provides stable power, the output of power supervisor is concatenation operation CPU and high-frequency clock controller respectively.The input of AC detector is connected in the anode of rectifier diode D1 by sample resistance R4, and the output of AC detector is connected system clock, adjuster T500 and computing CPU respectively; Computing CPU is connected with the SUB controller with adjuster T500, CST schema management device respectively, CST schema management device is connected with adjuster T500, high-frequency clock controller, house dog and SUB controller respectively, and the SUB controller is connected with system clock, house dog and outlet terminal respectively; House dog is connected with outlet terminal, and the output of outlet terminal is connected to the trigger end of unidirectional controllable silicon S CR by resistance R 6.
The AC detector detects the state of outside AC power, and lamp string 1 is every through a color change cycle, and the AC detector just detects AC power one time, and provides result after the detection to computing CPU, adjuster T500 and system clock.
System clock provides the stable clock benchmark for the SUB controller, and adjusts clock according to the detected AC signal of AC detector at any time by adjuster T500.
Adjuster T500 is according to the detected AC signal of AC detector, corrective system clock and SUB controller, and send correction signal to computing CPU, and be controlled by computing CPU, simultaneously, correction signal is sent to CST schema management device, so that CST schema management device is at any time according to signal adjustment modes state.
Computing CPU is used for the main computing of The whole control chip, management SUB controller, CST schema management device and adjuster T500.
The high-frequency clock controller provides the high-frequency clock benchmark for CST schema management device.
The running status of SUB controller control lamp string 1 is controlled by computing CPU and CST schema management device, and the output control signal is given outlet terminal.
The transformation period benchmark of CST schema management management lamp string 1 is controlled by computing CPU, and the high-frequency clock controller provides the stable clock benchmark for it.
Outlet terminal output control signal is given the trigger end of unidirectional controllable silicon S CR, is used to control the state of lamp string.
House dog is used to prevent that the data of SUB controller and CST schema management device is excessive, and is outlet terminal, SUB controller, the zero clearing when outage of CST schema management device.
When the utility model uses, the AC detector just begins to carry out the alternating current detection after the start energized, if this moment, alternating current was not to be in zero point, adjuster T500 starts working, in the time range of setting, find the zero point of alternating current, and this zero signal is transferred to the timing zero point of system clock as system clock, this zero signal is also passed to computing CPU, computing CPU is just according to this zero signal control CST schema management device, adjust the transformation period benchmark of lamp string 1, by the running status of SUB controller control lamp string 1, lamp string 1 begins to carry out the color change cycle of preassigned pattern:
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and two kinds of colors of each dual-colored LED of lamp string 1 are all lighted, and are subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color is gradually with signal waveform gradual change (gradually going out), and is subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color arrives the waveform blocked zero-sound indication, and is subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color is gradually with signal waveform (following half-wave) gradual change (gradually bright), and is subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and two kinds of colors of each dual-colored LED of lamp string 1 are all lighted, and are subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color is gradually with signal waveform (going up half-wave) gradual change (gradually going out), and is subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color arrives the waveform blocked zero-sound indication, and is subjected to CST schema management device control step number;
The SUB controller is carried out
Order makes outlet terminal output control signal give one-way SCR, and a kind of color of each dual-colored LED of lamp string 1 is lighted, and another kind of color is gradually with signal waveform (going up half-wave) gradual change (gradually bright), and is subjected to CST schema management device control step number.
After a color change cycle finishes, the AC detector just detects alternating current again, and calibrated device T500 proofreaies and correct the zero point of finding out alternating current, once more this zero signal is transferred to the timing zero point of system clock as system clock, computing CPU, CST schema management device and SUB controller are controlled lamp string 1 according to this timing once more and carry out next color change cycle zero points.Novel Color-changing lamp string of the present utility model, owing to use the timing zero point of the zero point of alternating current as the system clock of control chip IC1, and each color change cycle is all found out the timing zero point of the zero point of alternating current as the system clock of control chip IC1 by adjuster T500, for the many cluster of lamps, ornamental string that is used in same AC network, be unified timing zero point of each color change cycle, like this, the clocking error of control chip IC1 does not produce accumulation, thereby guarantees can also keep synchronous variable color after lamp string 1 works long hours.
As shown in Figure 3, another embodiment of the present utility model is that control circuit connects many cluster of lamps, ornamental string 1, it uses the current-limiting circuit of being made up of current limliting chip IC 2, voltage-stabiliser tube D7, filter capacitor C3 and resistance R 13, R14 to replace current-limiting resistance, has played better metering function.
Claims (5)
1, a kind of novel Color-changing lamp string, comprise power circuit, be connected in series lamp string and the control circuit that forms by dual-colored LED, provide dc supply by above-mentioned power circuit for above-mentioned control circuit, above-mentioned control circuit comprises control chip and output circuit, above-mentioned lamp polyphone is connected between AC power and the above-mentioned output circuit, above-mentioned output circuit comprises electronic switch and diode, and the trigger end of above-mentioned electronic switch is connected the output of above-mentioned control chip; It is characterized in that: above-mentioned control chip comprises the AC detector, system clock, adjuster, computing executive circuit and outlet terminal, the input of above-mentioned AC detector is connected on the AC power by sampling element, its output is connected respectively to the said system clock, on adjuster and the computing executive circuit, above-mentioned adjuster is connected with above-mentioned computing executive circuit with the said system clock respectively, the said system clock is connected with above-mentioned computing executive circuit, the input of above-mentioned outlet terminal connects the output of above-mentioned computing executive circuit, and the output of above-mentioned outlet terminal connects the trigger end of above-mentioned electronic switch.
2, a kind of novel Color-changing lamp string according to claim 1, it is characterized in that: above-mentioned electronic switch is an one-way SCR.
3, a kind of novel Color-changing lamp string according to claim 1, it is characterized in that: above-mentioned computing executive circuit comprises computing CPU, CST schema management device and SUB controller, above-mentioned computing CPU is connected with the SUB controller with above-mentioned AC detector, adjuster, CST schema management device respectively, above-mentioned CST schema management device is connected with the SUB controller with above-mentioned adjuster respectively, and above-mentioned SUB controller is connected with the said system clock.
4, a kind of novel Color-changing lamp string according to claim 1, it is characterized in that: above-mentioned control chip also comprises the high-frequency clock controller, above-mentioned high-frequency clock controller connects above-mentioned CST schema management device.
5, a kind of novel Color-changing lamp string according to claim 1, it is characterized in that: above-mentioned control chip also comprises house dog, above-mentioned house dog connects above-mentioned CST schema management device, SUB controller and outlet terminal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074047 CN2922374Y (en) | 2006-06-16 | 2006-06-16 | New variable colour lamp string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074047 CN2922374Y (en) | 2006-06-16 | 2006-06-16 | New variable colour lamp string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2922374Y true CN2922374Y (en) | 2007-07-11 |
Family
ID=38254842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620074047 Expired - Fee Related CN2922374Y (en) | 2006-06-16 | 2006-06-16 | New variable colour lamp string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2922374Y (en) |
-
2006
- 2006-06-16 CN CN 200620074047 patent/CN2922374Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6285140B1 (en) | Variable-effect lighting system | |
| JP5003850B1 (en) | LED illuminator and LED illumination system | |
| CN203523098U (en) | LED strip single loop circuit with control and flashing LED lamp strip | |
| CN105025615A (en) | Light emitting diode (LED) drive system controlling switching dimming and dimming method using the same | |
| CN104703333A (en) | LED color and luminance adjustment control device and method and lighting device | |
| CN103561507A (en) | LED lamp string single way band control circuit and control method | |
| CN105114850A (en) | LED lamp string with light-emitting modes capable of being selected | |
| CN203352858U (en) | LED all-turning-on control circuit and constant voltage driven LED illumination system | |
| US9161398B2 (en) | Lighting device | |
| CN205001932U (en) | Can select LED lights cluster of luminous mode | |
| CN206115707U (en) | Solar energy LED traffic light of adjustable luminance | |
| CN2922374Y (en) | New variable colour lamp string | |
| CN212231764U (en) | Synchronous luminous RGB lamp decoration | |
| CN102665329A (en) | Alternating-direct current highly-energy-saving environment-friendly current-regulating brightness-control LED indoor and outdoor illuminating lamp | |
| CN107105539B (en) | A kind of environment photoinduction controller based on LED light | |
| CN101742785A (en) | Intelligent dimming three-primary-color LED street lamp controller | |
| CN205491285U (en) | Lamp based on single chip microcomputer control | |
| CN205232509U (en) | Nine sections LED flashing lights | |
| CN201995176U (en) | LED lighting drive circuit | |
| CN216565651U (en) | Simple dimming and toning circuit for alternating current utilization of single-path MOS | |
| CN201028351Y (en) | Lamp string capable of partly flashing | |
| CN217770409U (en) | LED bulb control device and LED lamp system | |
| CN201270605Y (en) | Synthetic control circuit for LED road lamp | |
| CN201166335Y (en) | Lamp light system | |
| CN201297597Y (en) | Electronic candle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070711 Termination date: 20100616 |