CN113329539A - Power line edge signal triggered colored lamp device with broadcast address signal - Google Patents
Power line edge signal triggered colored lamp device with broadcast address signal Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
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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
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- 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
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Abstract
The invention discloses a power line edge signal triggered colored lamp device with a broadcast address signal, which comprises: the power line edge signal generator generates an address signal and a light control signal and loads the address signal and the light control signal to a power line; each LED module comprises an LED color lamp group and an LED driver for driving the LED color lamp group according to the address signal and the light control signal; the LED modules comprise two or more LED driver address codes; when the address signal is a non-broadcast address signal, the LED driver receives the address signal and the light control signal, and responds to the light control signal when the address signal is equal to the address code of the LED driver, and drives the LED colored lamp set according to the light control signal; when the address signal is a broadcast address signal, the LED modules respond to the light control signal at the same time and drive the LED color lamp set according to the light control signal. The color lamp device solves the problem of shaking when all lights need to be changed simultaneously, and improves the whole light effect.
Description
Technical Field
The invention relates to the field of LED colored lamps, in particular to a colored lamp device triggered by a power line edge signal with a broadcast address signal.
Background
At present, an arithmetic operation device triggered by a power line edge signal and an LED driver appear in the market, and a Chinese patent of invention, namely a colored lamp device controlled based on the power line edge signal (Chinese patent of invention ZL201410632645.7 and Chinese patent of invention ZL201410775449.5), has high cost performance, so that the patent technology realizes scale industrial application.
The multi-color control colored lamp device can be realized by transmitting the control signal through the power line only by the power line and the ground line without additional control signals. The light-emitting diode and the power line carrier control chip are packaged together to form the controllable color light-emitting module with the same appearance as that of a common light-emitting diode, so that the production of a final product is greatly simplified, and the product performance is improved.
The early power line carrier control chip usually does not contain addresses, most of the chips can only realize the full synchronous effect, and the controllable flicker function cannot be realized. With the development of the technology, by introducing an address into the power line carrier control chip, controllable flashing according to the address can be realized.
The introduction of the address signal greatly enriches the light flicker effect. However, when all lights need to be changed simultaneously due to the need of sending signals to different addresses, the signal sending time of the power line carrier control is too long due to too many sent signals, so that jitter perceivable to human eyes can occur, and the overall light effect is affected.
Disclosure of Invention
The invention aims to provide a power line edge signal-triggered colored lamp device with a broadcast address signal, which solves the problem of jitter when all lights need to be changed simultaneously and improves the overall lighting effect.
A power line edge signal triggered color lamp device with a broadcast address signal comprises:
the power line edge signal generator is used for generating an address signal and a light control signal and loading the address signal and the light control signal to a power line;
each LED module comprises an LED color lamp group and an LED driver used for driving the LED color lamp group according to the address signal and the light control signal loaded by the power line;
the LED driver comprises an LED driver address code;
the LED modules comprise two or more LED modules, and the LED modules comprise two or more LED driver address codes;
when the address signal generated by the power line edge signal generator is a non-broadcast address signal, an LED driver of the LED module receives the address signal and the light control signal, the address signal and the LED driver are equal in address code and respond to the light control signal, and the LED color lamp set is driven according to the light control signal;
when the address signal generated by the power line edge signal generator is a broadcast address signal, the LED modules respond to the light control signal at the same time, and drive the LED color lamp set according to the light control signal.
The LED modules respond to the light control signal simultaneously, namely that the LED drivers of the LED modules drive the LED color lamp sets respectively in a short time when personnel cannot perceive the light control signal. The simultaneous does not refer to a point in time but rather to a short period of time that is not noticeable to a person; preferably, the simultaneous responses may be in a time span of 1 us.
When the address signal generated by the power line edge signal generator is a broadcast address signal, the plurality of LED modules simultaneously respond to the light control signal and drive the LED colored lamp groups according to the light control signal, and the plurality of LED modules can simultaneously execute certain same operation and also can control each LED colored lamp group to obtain the same light effect. The simultaneous response to the light control signal is understood to be that the LED modules may be set to be in a fixed color, the LED modules may be set to be in a fixed color mode, or the LED modules may be set to change the color mode simultaneously.
The power line edge signal generator can simultaneously control a plurality of LED modules through generating the broadcast address signal, thereby greatly reducing the quantity of signals transmitted on the power line and greatly improving the problem of light jitter caused by excessive sending quantity of signals when the LED modules realize the same light effect or the same light mode.
The LED modules comprise N LED modules and M LED driver address codes, wherein N is larger than or equal to M. And when N is larger than M, a part of the LED modules adopt the same LED driver address code.
The N LED modules in the color lamp device may be connected to the power line in parallel, may be connected to the power line in series after parallel, and may be connected to the power line in series after parallel. The N LED modules are connected to form a common anode and a common cathode, and the N LED modules are connected between the common anode and the common cathode.
And when the common anode voltage is greater than the common cathode voltage, the LED module is electrified.
Preferably, the power line edge signal generator of the color lamp device includes a controllable switch and a control circuit, an input end of the controllable switch is connected to the dc power supply, an output end of the controllable switch is connected to the power line, a control end of the controllable switch is connected to the control circuit, and the control circuit controls the controllable switch to be turned on and off to generate the pulse signal. The LED modules are electrically connected to form a common anode and a common cathode, and the LED modules are connected between the common anode and the common cathode; the common anode is connected with the power line, and the common cathode is connected with the ground.
Preferably, a pull-down circuit is connected between the output end of the controllable switch and the ground.
As another scheme, the power line edge signal generator of the color lamp device includes a controllable switch and a control circuit, an input end of the controllable switch is connected to the common cathode, an output end of the controllable switch is connected to ground, a control end of the controllable switch is connected to the control circuit, and the control circuit controls the controllable switch to be turned on and off to generate a pulse signal; the public anode formed by connecting the modules is connected with a direct current power supply, and the public cathode formed by connecting the modules is connected with the input end of the controllable switch.
When the controllable switch is cut off, no current path exists between the direct current power supply, the controllable switch and the LED modules to the ground.
The controllable switch generates a low level when being switched off, generates a high level when being switched on, and generates a pulse signal by controlling the switching on and off of the controllable switch. The pulse signal may be a high pulse or a low pulse.
Preferably, the power line edge signal generator of the color lamp device is turned on and off by the controllable switch to generate two groups of pulse signals, the first group of pulse signals are the address signals, and the second group of pulse signals are the light control signals.
Preferably, the number of the first group of pulse signals of the color lamp device is the address signal, the LED driver counts the number of the first group of pulse signals, and the light control signal is responded when the number of the first group of pulse signals is equal to the address code of the LED driver.
Preferably, the second group of pulse signals of the color lamp device are the lamp control signals, the LED driver counts the number of the second group of pulse signals, and the number of the first group of pulse signals is equal to the address code of the LED driver, and the state of the LED color lamp group is determined by the number of the second group of pulse signals.
Preferably, the LED driver comprises an LED driver address code, a pulse counting circuit, an LED colored lamp group driving circuit and a state control circuit;
the LED driver controls the pulse counting circuit to count the number of the first group of pulse signals and the number of the second group of pulse signals by the state control circuit;
when the number of the first group of pulse signals is equal to the address code of the LED driver, the state of the LED colored lamp group is determined by the number of the second group of pulse signals.
In another implementation, the first group of pulse signals may determine the state of the LED color lamp group, and the second group of pulse signals may be used as address coding signals.
Preferably, the LED color lamp set includes a red light emitting diode (R LED), a green light emitting diode (G LED), and a blue light emitting diode (B LED), and the LED driver drives the connected R LED, G LED, and B LED.
Preferably, the number of the first group of pulse signals is equal to the address code of the LED driver: when the number of the second group of pulse signals is 1, the R LED is on; when the number of the second group of pulse signals is 2, the G LED is on; when the number of the second group of pulse signals is 3, the R LED and the G LED are on; when the number of the second group of pulse signals is 4, the B LED is on; when the number of the second group of pulse signals is 5, the R LED and the G LED are on; when the number of the second group of pulse signals is 6, the G LED and the B LED are on; when the number of the second group of pulse signals is 7, the R LED, the G LED and the B LED are on; when the number of the second group pulse signals is 8 or 0, the R LED, the G LED, and the B LED are all dark.
Preferably, the power line edge signal generator generates a first group of pulse signals with a fixed number, and the first group of pulse signals serve as the broadcast address signals, and the plurality of LED modules simultaneously respond to the light control signals after receiving the first group of pulses with the fixed number. Preferably, the fixed number is 7, that is, when the plurality of LED modules receive 7 of the first group of pulse signals, the plurality of LED modules respond to the light control signal at the same time.
Compared with the prior art, the colored lamp device provided by the invention has the advantages that by introducing the broadcast address signal, on one hand, flexible lighting effect is kept according to the address signal, on the other hand, the number of signals to be sent when a plurality of LED modules respond simultaneously can be greatly reduced, lighting flicker caused by signal sending is obviously eliminated, and the lighting effect of simultaneous response is greatly improved.
Drawings
FIG. 1 is a color lamp device triggered by a power line edge signal with a broadcast address signal;
FIG. 2 is an LED module;
fig. 3 is a waveform diagram of a power line loading address signal and a light control signal.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the color lamp apparatus 1 triggered by the power line edge signal with the broadcast address signal according to the present embodiment includes:
an edge signal generator 11 for generating an edge signal and loading the generated edge signal on a power line 12 for output;
the edge signal generator 11 of this embodiment includes a controllable switch 111 and a control circuit 112 connected to a control terminal of the controllable switch, where the controllable switch includes a P-channel fet CZ2301, a source of the controllable switch is connected to a dc power supply (+5V power supply) 10 as an input terminal, a drain of the controllable switch is connected to a power line 12 as an output terminal, a gate of the controllable switch is connected to an output terminal of the control circuit 112 as a control terminal, and an output terminal of the controllable switch is further connected to a pull-down resistor 113 (with a resistance of 100k Ω) and then grounded, so that when the controllable switch is turned off, a level of an edge signal can be pulled down quickly.
The control circuit is implemented based on an MCU (in this embodiment, an STC15F104E type single chip microcomputer), and controls the on/off (actually, on/off) of the controllable switch 111 according to a control signal output by the single chip microcomputer.
When the controllable switch 111 is turned on, the edge signal loaded on the power line 12 is at a high level, and when the controllable switch 111 is turned off, the edge signal loaded on the power line 12 is at a low level.
In this embodiment, the LED lighting device includes 6 LED modules, and each LED module includes an LED color lamp set and an LED driver for driving the LED color lamp set according to an edge signal output by a power line. In this embodiment, the 6 LED modules include an LED module 1(13) having an address code equal to 6, an LED module 1(14) having an address code equal to 3, an LED module 1(15) having an address code equal to 4, an LED module 1(16) having an address code equal to 2, an LED module 1(17) having an address code equal to 5, and an LED module 1(18) having an address code equal to 1. In this embodiment, the broadcast address signal code is 7, and all 6 LED modules respond to the light control signal transmitted later when receiving the broadcast address code.
The LED module comprises only 6 LED modules, the address codes in each LED module are different, and the LED modules can be randomly arranged in a product or sequentially arranged. In other embodiments, multiple LED modules may be included, which may have the same address code.
As shown in fig. 2, each LED module 2 includes: red light emitting diode 21, green light emitting diode 22, blue light emitting diode 23, LED driver 24. The cathode of the red light emitting diode 21, the cathode of the green light emitting diode 22, and the cathode of the blue light emitting diode 23 are connected to an output port of the LED driver 24, and the anode of the red light emitting diode 21, the anode of the green light emitting diode 22, and the anode of the blue light emitting diode 23 are connected to a power supply positive electrode 25 of the LED driver 24.
As shown in fig. 2, the LED driver 24 includes an LED driver address code 241, a pulse counting circuit 242, an LED color lamp group driving circuit 243, and a state control circuit 244;
the LED driver 24 is controlled by the state control circuit 244 to count the number of the first group of pulse signals and the number of the second group of pulse signals; when the number of the first group of pulse signals is equal to the LED driver address code 241, the states of the red light emitting diode 21, the green light emitting diode 22, and the blue light emitting diode 23 are determined by the number of the second group of pulse signals. When the number of the first group of pulse signals is equal to the address code 241 of the LED driver, the LED color lamp group driving circuit 243 inverts the count result of the second group of pulse signals to drive the red light emitting diode 21, the green light emitting diode 22, and the blue light emitting diode 23.
When the number of the first group of pulse signals is equal to the address code 241 of the LED driver: when the number of the second group of pulse signals is 1, the red light-emitting diode 21 is bright, the green light-emitting diode 22 is dark, and the blue light-emitting diode 23 is dark; when the number of the second group of pulse signals is 2, the red light-emitting diode 21 is dark, the green light-emitting diode 22 is bright, and the blue light-emitting diode 23 is dark; when the number of the second group of pulse signals is 3, the red light-emitting diode 21 is bright, the green light-emitting diode 22 is bright, and the blue light-emitting diode 23 is dark; when the number of the second group of pulse signals is 4, the red light-emitting diode 21 is dark, the green light-emitting diode 22 is dark, and the blue light-emitting diode 23 is bright; when the number of the second group of pulse signals is 5, the red light-emitting diode 21 is bright, the green light-emitting diode 22 is dark, and the blue light-emitting diode 23 is bright; when the number of the second group of pulse signals is 6, the red light-emitting diode 21 is dark, the green light-emitting diode 22 is bright, and the blue light-emitting diode 23 is bright; when the number of the second group of pulse signals is 7, the red light-emitting diode 21 is on, the green light-emitting diode 22 is on, and the blue light-emitting diode 23 is on; when the number of the second group of pulse signals is 8 or 0, the red light emitting diode 21 is dark, the green light emitting diode 22 is dark, and the blue light emitting diode 23 is dark.
As shown in fig. 3, the control method of the present embodiment is described by taking a waveform diagram of a part of signals emitted by the edge signal generator 11 of the present embodiment, and a part of output waveforms of the LED module 2 (address code is 3) and the LED module 4 (address code is 2) as an example.
As shown in fig. 3, in the initial stage (left side of the dotted line 38), the partial signal (31) sent by the edge signal generator 11 of this embodiment, the red LED control end signal (32) of the LED module 4, the green LED control end signal (33) of the LED module 4, the blue LED control end signal (34) of the LED module 4, the red LED control end signal (35) of the LED module 2, the green LED control end signal (36) of the LED module 2, and the blue LED control end signal (37) of the LED module 2 are all at a high level, and the red LED, the green LED, and the blue LED of the LED module 2 and the LED module 4 are all dark.
The edge signal generator 11 sends out a first group of control signals (39) which comprise an address signal pulse group (310) and a light control signal pulse group (311), the address code of the LED module 4 is equal to the address pulse group (310), so that the position shown by a dotted line (312) responds to the first group of control signals (39), the green color of the LED module 4 is set to be bright, and other colors are kept;
the edge signal generator 11 sends out a second group of control signals (313) which comprise an address signal pulse group (314) and a light control signal pulse group (315), and the address code of the LED module 2 is equal to the address pulse group (314), so that the position shown by a dotted line (316) responds to the second group of control signals (313), the green color of the LED module 2 is set to be bright, and other colors are kept;
the edge signal generator 11 sends out a third group of control signals (317) which comprise an address signal pulse group (318) and a light control signal pulse group (319), and the address code of the LED module 2 is equal to the address pulse group (318), so that the red color of the LED module 2 is set to be bright and other colors are kept in response to the third group of control signals (317) at the position shown by a dotted line (320);
the edge signal generator 11 sends out a fourth group of control signals (321) which comprise an address signal pulse group (322) and a light control signal pulse group (323), the address code of the LED module 2 is equal to the address pulse group (322), so that the red color of the LED module 2 is set to be dark, the green color is set to be dark, the blue color is set to be bright, and the color of the LED module 4 is kept in response to the fourth group of control signals (321) at the position shown by a dotted line (324).
The edge signal generator 11 sends out a fifth group of control signals (325), including a broadcast address signal pulse group (326) and a light control signal pulse group (327), and the LED modules 2 and 4 receive the broadcast address, so that the position indicated by a dotted line (328) responds to the fifth group of control signals (321), the red color of the LED module 2 is set to bright, the green color is set to bright, the blue color is set to dark, and the red color of the LED module 4 is set to bright, the green color is set to bright, and the blue color is set to dark. The LED modules 2 and 4 respond to the broadcast address signal of this embodiment at the same time.
As shown in the fifth set of control signals (325) of fig. 3 in this embodiment, only one set of broadcast signals needs to be sent, so that a plurality of LED modules (6 LED modules in this embodiment) can be controlled simultaneously to respond to the command, the number of signals is reduced significantly, the light jitter phenomenon is improved significantly, and the method is particularly suitable for simultaneously controlling a plurality of LED modules in the same color or in the same variation mode. Compared with the mode without the broadcast address signal, 6 sets of control signals are needed to set the 6 LED modules of this embodiment to a given color mode at the same time.
According to the colored lamp device, the broadcasting address signal is introduced, so that on one hand, a flexible lighting effect realized according to the address signal is kept, on the other hand, the number of signals needing to be sent when a plurality of LED modules respond simultaneously can be greatly reduced, lighting flicker caused by signal sending is obviously eliminated, and the lighting effect of simultaneous response is greatly improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a power cord edge signal triggered color lamp device of area broadcast address signal which characterized in that, color lamp device includes:
the power line edge signal generator is used for generating an address signal and a light control signal and loading the address signal and the light control signal to a power line;
each LED module comprises an LED color lamp group and an LED driver used for driving the LED color lamp group according to the address signal and the light control signal loaded by the power line;
the LED driver comprises an LED driver address code;
the LED modules comprise two or more LED modules, and the LED modules comprise two or more LED driver address codes;
when the address signal generated by the power line edge signal generator is a non-broadcast address signal, an LED driver of the LED module receives the address signal and the light control signal, the address signal and the LED driver are equal in address code and respond to the light control signal, and the LED color lamp set is driven according to the light control signal;
when the address signal generated by the power line edge signal generator is a broadcast address signal, the LED modules respond to the light control signal at the same time, and drive the LED color lamp set according to the light control signal.
2. The power line edge signal triggered color lamp device with the broadcast address signal as claimed in claim 1, wherein the LED color lamp set comprises a red LED R LED, a green LED G LED, and a blue LED B LED, and the LED driver drives the connected R LED, G LED, and B LED.
3. The power line edge signal-triggered color lamp device with the broadcast address signal as claimed in claim 2, wherein the power line edge signal generator comprises a controllable switch and a control circuit, an input terminal of the controllable switch is connected with a direct current power supply, an output terminal of the controllable switch is connected with the power line, a control terminal of the controllable switch is connected with the control circuit, and the control circuit controls the controllable switch to be switched on and off to generate a pulse signal;
the LED modules are electrically connected to form a common anode and a common cathode, and the LED modules are connected between the common anode and the common cathode; the common anode is connected with the power line, and the common cathode is connected with the ground.
4. The power line edge signal triggered color lamp apparatus with broadcast address signal of claim 2,
the LED modules are electrically connected to form a common anode and a common cathode, and the LED modules are connected between the common anode and the common cathode;
the power line edge signal generator of the color lamp device comprises a controllable switch and a control circuit, wherein the input end of the controllable switch is connected with the common cathode, the output end of the controllable switch is connected with the ground, the control end of the controllable switch is connected with the control circuit, and the control circuit controls the controllable switch to be switched on and off to generate a pulse signal; the public anode formed by connecting the modules is connected with a direct current power supply, and the public cathode formed by connecting the modules is connected with the input end of the controllable switch.
5. The power line edge signal-triggered color lamp device with the broadcast address signal as claimed in claim 3 or 4, wherein when the controllable switch is turned off, no current path exists between the direct current power supply, the controllable switch, the plurality of LED modules and the ground.
6. The power line edge signal triggered color lamp device with the broadcast address signal as claimed in claim 5, wherein the power line edge signal generator generates two sets of pulse signals by turning on and off the controllable switch, the first set of pulse signals is the address signal, and the second set of pulse signals is the light control signal.
7. The power line edge signal triggered color lamp apparatus with broadcast address signal of claim 6,
the number of the first group of pulse signals is the address signal, and the LED driver counts the number of the first group of pulse signals;
the second group of pulse signals are the lamplight control signals, the LED driver counts the number of the second group of pulse signals, and the number of the first group of pulse signals is equal to the address code of the LED driver, so that the state of the LED color lamp group is determined by the number of the second group of pulse signals.
8. The power line edge signal triggered color lamp apparatus with a broadcast address signal of claim 7, wherein the LED driver comprises an LED driver address code, a pulse counting circuit, an LED color lamp group driving circuit, and a status control circuit;
the LED driver controls the pulse counting circuit to count the number of the first group of pulse signals and the number of the second group of pulse signals by the state control circuit;
when the number of the first group of pulse signals is equal to the address code of the LED driver, the state of the LED colored lamp group is determined by the number of the second group of pulse signals.
9. The power line edge signal-triggered color lamp device with a broadcast address signal of claim 5, wherein the power line edge signal generator generates a first set of pulses as the broadcast address signal when the number of the first set of pulses is a fixed number, and the plurality of LED modules simultaneously respond to the light control signal after receiving the first set of pulses with the fixed number.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022151941A1 (en) * | 2021-01-13 | 2022-07-21 | 杭州昀芯光电科技有限公司 | Colored lamp apparatus triggered by multi-code mixed power line edge signals |
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| CN101137259A (en) * | 2006-08-28 | 2008-03-05 | 徐佳义 | Lamp controller with single lamp addressing function |
| US9900963B1 (en) * | 2016-10-14 | 2018-02-20 | Contemporary Communications, Inc. | Lighting controller |
| CN112672473A (en) * | 2021-01-13 | 2021-04-16 | 杭州昀芯光电科技有限公司 | Multi-code mixed power line edge signal triggered colored lamp device |
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2021
- 2021-06-17 CN CN202110671966.8A patent/CN113329539A/en active Pending
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| CN101137259A (en) * | 2006-08-28 | 2008-03-05 | 徐佳义 | Lamp controller with single lamp addressing function |
| US9900963B1 (en) * | 2016-10-14 | 2018-02-20 | Contemporary Communications, Inc. | Lighting controller |
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