CN115426754A - Switch multi-gear dimming and toning software control bottom layer logic circuit - Google Patents

Switch multi-gear dimming and toning software control bottom layer logic circuit Download PDF

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Publication number
CN115426754A
CN115426754A CN202211222506.8A CN202211222506A CN115426754A CN 115426754 A CN115426754 A CN 115426754A CN 202211222506 A CN202211222506 A CN 202211222506A CN 115426754 A CN115426754 A CN 115426754A
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China
Prior art keywords
dimming
input
cct
mode
dim
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Pending
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CN202211222506.8A
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Chinese (zh)
Inventor
陈道波
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Anway Electric Huizhou Co ltd
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Anway Electric Huizhou Co ltd
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Priority to CN202211222506.8A priority Critical patent/CN115426754A/en
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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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • 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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • 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
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a switch multi-gear dimming and color mixing software control bottom layer logic circuit, which comprises a single chip microcomputer, a timer, a storage module, a dimmable DC/DC constant current module, a color temperature switching circuit and a switch detection circuit, wherein the storage module is used for recording a dimming mode of light, the level change of an input DET and the 3s timing are completed, if the level change of the input DET is awakened, the input is electrified again within 3s, the next dimming mode is entered, the dimming and color mixing functions are completed, and if the timing is awakened within 3s, the input is not electrified again within 3s, the current dimming gear is written into the storage module, and the memory function is realized; and then, continuously detecting whether the DET has level change or not by the program, namely, whether the input is electrified again or not, if the DET is electrified again, the dimming gear does not need to be adjusted, and different reactions can be made to the dimming mode of the light according to the time interval from the power failure to the electrification again, so that the control of the bottom layer logic circuit by the multi-gear dimming and toning software can be realized.

Description

Switch multi-gear dimming and toning software control bottom layer logic circuit
Technical Field
The invention belongs to the technical field of dimming and toning control, and particularly relates to a switch multi-gear dimming and toning software control bottom layer logic circuit.
Background
The dimming illumination control refers to the adjustment of the brightness change of the light source and can also adjust the color temperature of the light source;
the patent with application number 201711200188.4 discloses a circuit for remotely controlling brightness and color temperature adjustment of an LED and a control method thereof. The scheme can realize the remote control of LED switch, brightness and color temperature, and the brightness-adjusting PWM signal determines the output power of the lamp, is irrelevant to the color temperature adjusting WPWM and YPWM signals, and the color temperature adjusting YPWM and WPWM signals determine the change of the output color temperature, is irrelevant to the power, and is suitable for being used in places such as families, shops, hotels, companies and the like which require strict color temperature;
however, the scheme lacks a memory function and a timing awakening function for controlling the light, and after the circuit is powered down, the dimming mode of the light cannot be differently responded according to the time interval from the power down to the power on again.
Disclosure of Invention
The invention aims to solve the defects in the prior art, a timer and a storage module are additionally arranged, the timer has a three-second arrival time awakening function, the storage module is used for recording a dimming mode of light, two awakening modes are set aiming at the power failure condition, the DET level change and 3s timing are input to be completed, if the DET level change is input to be awakened, the input is electrified again within 3s, the next dimming mode is entered to complete the dimming and color mixing functions, and if the DET level change is awakened within 3s, the input is not electrified again within 3s, the current dimming gear is written into the storage module to realize the memory function; and then, continuously detecting whether the DET has level change by the program, namely, whether the input is electrified again, if the DET is electrified again, the dimming gear does not need to be adjusted, and different reactions can be made to the dimming mode of the lamplight according to the time interval from power failure to electrification again, so that the bottom layer logic circuit can be controlled by the multi-gear dimming and toning software.
In order to achieve the purpose, the invention provides the following technical scheme: a switch multi-gear dimming and color mixing software control bottom layer logic circuit comprises a single chip microcomputer, a timer, a storage module, a dimmable DC/DC constant current module, a color temperature switching circuit and a switch detection circuit, wherein the single chip microcomputer is respectively electrically connected with the timer, the storage module, the dimmable DC/DC constant current module, the color temperature switching circuit and the switch detection circuit, a detection pin DET, an adjustment pin DIM and an adjustment pin CCT are respectively connected onto the single chip microcomputer, the detection pin DET is connected with the switch detection circuit, the adjustment pin DIM is connected with the dimmable DC/DC constant current module, the total current of the dimmable DC/DC constant current module flowing to a cold white LED and a warm white LED can be controlled by adjusting the duty ratio of a DIM output signal, the light brightness can be adjusted, the adjustment pin CCT is connected with the color temperature switching circuit, the color temperature switching circuit can be adjusted by adjusting the duty ratio of the CCT output signal, the color temperature can be adjusted by adjusting the timer, the color temperature can be wakened up when three seconds arrive, the timing period of the timer is set to be 10ms, and the storage module is used for recording a dimming mode.
Preferably, when the output of the CCT pin is high level, the cold white LED is switched on, and the warm white LED is switched off; when the output of the CCT is low level, the cold white LED is turned off, and the warm white LED is turned on.
Preferably, the single chip microcomputer detects a signal of a circuit through the detection pin detection switch to further judge input power-on and power-off, and when the single chip microcomputer is powered on, the single chip microcomputer reads a dimming mode recorded by the storage module, and the LED lamp outputs set brightness and color temperature by setting duty ratios of DIM and CCT signals.
Preferably, if the input is powered on again after being powered off rapidly, that is, the input is turned off, and the power is powered on again within 3 seconds, the single chip will switch to the next set dimming mode.
Preferably, if the power-off input is not powered on again within more than three seconds, the current dimming mode is written into the storage module by the single chip, and the current dimming mode is used for setting the dimming mode after being powered on again, so that a memory function is realized.
Preferably, the dimming mode is set to 4 modes, and the signal duty ratios of the adjustment pin DIM and the adjustment pin CCT of each mode are as follows:
mode one, DIM:100%, CCT:0 percent;
mode two, DIM:70%, CCT:40 percent;
mode three, DIM:40%, CCT:70 percent;
mode four, DIM:10%, CCT:100 percent.
A control method for multi-gear dimming and color mixing of a switch comprises the following steps:
s1, reading a memorized dimming mode from a storage module, setting the signal duty ratio of a DIM (digital image memory) pin and a CCT (closed circuit) pin, and setting the timing period of a timer to be 10ms;
s2, adjusting a dimming mode, and adjusting the signal duty of a DIM (digital in M) pin and a CCT (closed Circuit Transformer) pin according to a set 4-gear dimming mode;
s3, judging whether the input is powered off or not; judging the input state through the detection of the detection pin DET, and returning to S2 if the input is judged not to be powered down; if the input power failure is judged, setting two wake-up modes, wherein the two wake-up modes comprise input DET level change and 3s timing completion, and then entering a sleep state;
s4, carrying out different processing according to different wake-up modes; if the input DET level changes and wakes up, the input is electrified again within 3S, then the next dimming mode is entered, the S1 is returned, and the dimming and color matching functions are completed;
if the 3s timing awakening indicates that the input is not electrified again within 3s, the current dimming gear is written into the storage module to realize the memory function; and then, the program continuously detects whether the DET has level change, namely whether the input is electrified again, if the input is electrified again, the dimming gear does not need to be adjusted, and the step returns to S2.
The invention has the technical effects and advantages that:
the invention is additionally provided with a timer and a storage module, wherein the timer has a three-second arrival time awakening function, the storage module is used for recording a dimming mode of light, two awakening modes are set aiming at the power failure condition, the DET level change and 3s timing are input to complete, if the DET level change awakening is input to indicate that the input is electrified again within 3s, the next dimming mode is entered to complete the dimming and color matching functions, if the DET level change awakening is input to indicate that the input is not electrified again within 3s, the current dimming gear is written into the storage module to realize the memory function; and then, the program continuously detects whether the DET has level change, namely whether the input is electrified again, if the DET is electrified again, the dimming gear does not need to be adjusted, and different reactions can be made to the dimming mode of the light according to the time interval from power failure to electrification again.
Drawings
FIG. 1 is a block flow diagram of the present invention;
FIG. 2 is a functional block diagram of the present invention;
FIG. 3 is a waveform diagram of the present invention when powered up;
fig. 4 is a waveform diagram after power-up again within 3s of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention provides a switch multi-level dimming and color mixing software control bottom layer logic circuit, which comprises a single chip microcomputer, a timer, a storage module, a dimmable DC/DC cross current module, a color temperature switching circuit and a switch detection circuit, wherein the single chip microcomputer is respectively electrically connected with the timer, the storage module, the dimmable DC/DC cross current module, the color temperature switching circuit and the switch detection circuit, the single chip microcomputer is respectively connected with a detection pin DET, an adjustment pin DIM and an adjustment pin CCT, the detection pin DET is connected with the switch detection circuit, the adjustment pin DIM is connected with the dimmable DC/DC cross current module, the total current flowing to a cold white LED and a warm white LED by the dimmable DC/DC constant current module can be controlled by adjusting the duty ratio of a DIM output signal, the light brightness can be adjusted, the CCT is connected with the color temperature switching circuit, the color temperature switching circuit can be controlled by adjusting the duty ratio of the CCT output signal, the color temperature of light can be adjusted, the timer has a three-second-to-time wake-up function, the timing period of the timer is set to 10ms, and the storage module is used for recording the dimming mode of the light.
When the output of the CCT is high level, the cold white LED is switched on, and the warm white LED is switched off; when the output of the CCT is low level, the cold white LED is turned off, and the warm white LED is turned on.
The single chip microcomputer detects signals of a circuit through the detection pin detection switch, further judges input power-on and power-off, and when the single chip microcomputer is powered on, the single chip microcomputer reads a dimming mode recorded by the storage module, and the LED lamp outputs set brightness and color temperature through setting duty ratios of DIM and CCT signals.
If the input is quickly powered down and then powered up, namely the input is turned off, the input is powered up again within 3 seconds, and the single chip can be switched to the set next dimming mode.
If the power-off input is not electrified again within more than three seconds, the current dimming mode is written into the storage module by the single chip for setting the dimming mode after the power-on again, and the memory function is realized.
The dimming mode is provided with 4 modes, and the signal duty ratios of the adjusting pin DIM and the adjusting pin CCT of each mode are as follows:
mode one, DIM:100%, CCT:0%;
mode two, DIM:70%, CCT:40 percent;
mode three, DIM:40%, CCT:70 percent;
mode four, DIM:10%, CCT:100 percent.
A control method for multi-gear dimming and color mixing of a switch comprises the following steps:
s1, reading a memorized dimming mode from a storage module, setting the signal duty ratio of a DIM (direct current) adjusting pin and a CCT (continuous current) adjusting pin, and setting the timing period of a timer to be 10ms;
s2, adjusting a dimming mode, and adjusting the signal duty of a DIM (digital in M) pin and a CCT (closed Circuit Transformer) pin according to a set 4-gear dimming mode;
s3, judging whether the input is powered off or not; judging the input state through the detection of the detection pin DET, and returning to S2 if the input is judged not to be powered down; if the input power failure is judged, setting two wake-up modes, wherein the two wake-up modes comprise input DET level change and 3s timing completion, and then entering a sleep state;
s4, carrying out different processing according to different wake-up modes; if the input DET level changes and wakes up, which indicates that the input is electrified again within 3S, the next dimming mode is entered, the S1 is returned, and the dimming and color matching functions are completed;
if the 3s timing awakening indicates that the input is not electrified again within 3s, the current dimming gear is written into the storage module to realize the memory function; and then, the program continuously detects whether the DET has level change, namely whether the input is electrified again, if the input is electrified again, the dimming gear does not need to be adjusted, and the step returns to S2.
In summary, the invention is additionally provided with a timer and a storage module, the timer has a three-second arrival time wake-up function, the storage module is used for recording a dimming mode of light, two wake-up modes are set for power failure, DET level change and 3s timing are input for completion, if the DET level change wake-up is input, the input is powered on again within 3s, the next dimming mode is entered, dimming and color mixing functions are completed, if the DET level change wake-up is input, the input is not powered on again within 3s, the current dimming gear is written into the storage module, and a memory function is realized; and then, the program continuously detects whether the DET has level change, namely whether the input is electrified again, if the DET is electrified again, the dimming gear does not need to be adjusted, and different reactions can be made to the dimming mode of the light according to the time interval from power failure to electrification again.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The switch multi-gear dimming and color mixing software control bottom layer logic circuit is characterized by comprising a single chip microcomputer, a timer, a storage module, a dimmable DC/DC constant current module, a color temperature switching circuit and a switch detection circuit, wherein the single chip microcomputer is electrically connected with the timer, the storage module, the dimmable DC/DC constant current module, the color temperature switching circuit and the switch detection circuit respectively, a detection pin DET, an adjustment pin DIM and an adjustment pin CCT are connected to the single chip microcomputer respectively, the detection pin DET is connected with the switch detection circuit, the adjustment pin DIM is connected with the dimmable DC/DC constant current module, the duty ratio of a signal output by the DIM can be adjusted, the total current flowing to a cold white LED and a warm white LED of the dimmable DC/DC constant current module is controlled, the light brightness is adjusted, the CCT and the color temperature switching circuit are connected, the duty ratio of the CCT output signal can be adjusted to control the switching circuit and adjust the color temperature of light, the timer has a three-second-time-arrival function, the timing period of the timer is set to be 10ms, and the storage module is used for recording the dimming mode of the light.
2. The bottom level logic circuit of claim 1, wherein the bottom level logic circuit is controlled by the software for multi-level dimming and color mixing of switches: when the output of the CCT is high level, the cold white LED is switched on, and the warm white LED is switched off; when the output of the CCT is low level, the cold white LED is turned off, and the warm white LED is turned on.
3. The bottom level logic circuit of claim 1, wherein the bottom level logic circuit is controlled by the software for multi-level dimming and color mixing of switches: the single chip microcomputer detects signals of a circuit through the detection pin detection switch, further judges input power-on and power-off, and when the single chip microcomputer is powered on, the single chip microcomputer reads a dimming mode recorded by the storage module, and the LED lamp outputs set brightness and color temperature through setting duty ratios of DIM and CCT signals.
4. The switch multi-gear dimming and toning software control bottom layer logic circuit according to claim 1, characterized in that: if the input is quickly powered down and then powered up, namely the input is turned off, the input is powered up again within 3 seconds, and the single chip can be switched to the set next dimming mode.
5. The bottom level logic circuit of claim 1, wherein the bottom level logic circuit is controlled by the software for multi-level dimming and color mixing of switches: if the input is turned off and the power is not electrified again within more than three seconds, the current dimming mode is written into the storage module by the single chip for setting the dimming mode after the power is electrified again, and the memory function is realized.
6. The bottom level logic circuit of claim 1, wherein the bottom level logic circuit is controlled by the software for multi-level dimming and color mixing of switches: the dimming mode is provided with 4 modes, and the signal duty ratios of the adjusting pin DIM and the adjusting pin CCT of each mode are as follows:
mode one, DIM:100%, CCT:0 percent;
mode two, DIM:70%, CCT:40 percent;
mode three, DIM:40%, CCT:70 percent;
mode four, DIM:10%, CCT:100 percent.
7. A control method for multi-gear dimming and color mixing of a switch is based on the software control bottom layer logic circuit of any one of claims 1 to 6, and is characterized in that: the method comprises the following steps:
s1, reading a memorized dimming mode from a storage module, setting the signal duty ratio of a DIM (digital image memory) pin and a CCT (closed circuit) pin, and setting the timing period of a timer to be 10ms;
s2, adjusting a dimming mode, and adjusting the signal duty of an adjusting pin DIM and an adjusting pin CCT according to the set 4-gear dimming mode;
s3, judging whether the input is powered off or not; judging the input state through the detection of the detection pin DET, and returning to S2 if the input is judged not to be powered down; if the input power failure is judged, setting two wake-up modes, wherein the two wake-up modes comprise input DET level change and 3s timing completion, and then entering a sleep state;
s4, carrying out different processing according to different wake-up modes; if the input DET level changes and wakes up, which indicates that the input is electrified again within 3S, the next dimming mode is entered, the S1 is returned, and the dimming and color matching functions are completed;
if the 3s timing awakening indicates that the input is not electrified again within 3s, the current dimming gear is written into the storage module to realize the memory function; and then, continuously detecting whether the level of the DET changes or not, namely, whether the input is electrified again or not, if the input is electrified again, adjusting the light adjusting gear is not needed, and returning to the S2.
CN202211222506.8A 2022-10-08 2022-10-08 Switch multi-gear dimming and toning software control bottom layer logic circuit Pending CN115426754A (en)

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CN202211222506.8A CN115426754A (en) 2022-10-08 2022-10-08 Switch multi-gear dimming and toning software control bottom layer logic circuit

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102577620A (en) * 2009-01-14 2012-07-11 美光工具公司 Multi-mode portable lighting device
CN102883498A (en) * 2011-07-13 2013-01-16 旭丽电子(广州)有限公司 Storage dimming method, storage type dimming lamp and dimming driving circuit
CN105025615A (en) * 2014-04-29 2015-11-04 杨金新 Light emitting diode (LED) drive system controlling switching dimming and dimming method using the same
CN106604448A (en) * 2016-11-24 2017-04-26 江西美的贵雅照明有限公司 Light-modulation and color-modulation control circuit and LED illumination product
CN107182156A (en) * 2017-05-23 2017-09-19 深圳市晟碟半导体有限公司 A kind of system and method that lamp light-regulating and state reset are realized by switch
CN107846755A (en) * 2017-11-20 2018-03-27 李舒 A kind of circuit and its control method of remote control LED degree of lightening color-temperature regulatings
US10206255B1 (en) * 2018-04-11 2019-02-12 Dong Guan Bright Yinhuey Lighting Co., Ltd. Intellectual control system having dimming and color temperature regulating functions
CN212970165U (en) * 2020-07-22 2021-04-13 漳州立达信光电子科技有限公司 Dimming and color mixing circuit and lighting lamp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102577620A (en) * 2009-01-14 2012-07-11 美光工具公司 Multi-mode portable lighting device
CN102883498A (en) * 2011-07-13 2013-01-16 旭丽电子(广州)有限公司 Storage dimming method, storage type dimming lamp and dimming driving circuit
CN105025615A (en) * 2014-04-29 2015-11-04 杨金新 Light emitting diode (LED) drive system controlling switching dimming and dimming method using the same
CN106604448A (en) * 2016-11-24 2017-04-26 江西美的贵雅照明有限公司 Light-modulation and color-modulation control circuit and LED illumination product
CN107182156A (en) * 2017-05-23 2017-09-19 深圳市晟碟半导体有限公司 A kind of system and method that lamp light-regulating and state reset are realized by switch
CN107846755A (en) * 2017-11-20 2018-03-27 李舒 A kind of circuit and its control method of remote control LED degree of lightening color-temperature regulatings
US10206255B1 (en) * 2018-04-11 2019-02-12 Dong Guan Bright Yinhuey Lighting Co., Ltd. Intellectual control system having dimming and color temperature regulating functions
CN212970165U (en) * 2020-07-22 2021-04-13 漳州立达信光电子科技有限公司 Dimming and color mixing circuit and lighting lamp

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Application publication date: 20221202