CN103607817B - A kind of mixing dimming control system - Google Patents
A kind of mixing dimming control system Download PDFInfo
- Publication number
- CN103607817B CN103607817B CN201310569450.8A CN201310569450A CN103607817B CN 103607817 B CN103607817 B CN 103607817B CN 201310569450 A CN201310569450 A CN 201310569450A CN 103607817 B CN103607817 B CN 103607817B
- Authority
- CN
- China
- Prior art keywords
- dimming
- voltage
- simulation
- circuit
- control
- 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
- 238000004088 simulation Methods 0.000 claims abstract description 78
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 6
- 238000012913 prioritisation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of mixing dimming control system, for carrying out brightness adjustment control to electric light, comprise Main Control Unit, switch element, voltage-control dimming unit and simulation dimming unit, switch element, voltage-control dimming unit are connected with Main Control Unit respectively with simulation dimming unit; The load circuit of voltage-control dimming unit access electric light, for realizing voltage-control dimming; The load circuit of simulation dimming unit access electric light, simulates light modulation for realizing.The present invention has following beneficial effect: be applicable to various electric light, not by the restriction of type of electric lamps, has stronger versatility; Have voltage-control dimming function and simulation dimming function concurrently, for user provides more dimming function, design hommization more; Structure is simple, with low cost, be suitable for applying.
Description
Technical field
The invention belongs to electric light light regulating technology field, be specifically related to a kind of mixing dimming control system.
Background technology
Current existing light switch used in everyday does not have dimming function, energy saving and environment friendly poor.Existing dimmer switch only has single dimming function, and some can only realize voltage-control dimming function, and some can only realize simulating dimming function.And these dimmer switchs existing can only carry out light modulation for specific electric light usually, some can only regulate the light of incandescent lamp, and some then can only regulate the light of LED, and versatility is poor.
Summary of the invention
In order to overcome the function singleness that exists in prior art and the poor defect of versatility, the invention provides a kind of mixing dimming control system being applicable to multiple electric light.The concrete technical scheme of the present invention is as follows:
A kind of mixing dimming control system, for carrying out brightness adjustment control to electric light, it is characterized in that, comprise Main Control Unit, switch element, voltage-control dimming unit and simulation dimming unit, described switch element, described voltage-control dimming unit and described simulation dimming unit are connected with described Main Control Unit respectively; Described voltage-control dimming unit accesses the load circuit of described electric light, for realizing voltage-control dimming; Described simulation dimming unit accesses the load circuit of described electric light, simulates light modulation for realizing; Described Main Control Unit is also connected with CAN, and described CAN is used for dimming commands described in described Main Control Unit remote transmission; Wherein:
Described mixing dimming control system comprises two kinds of light-modulating modes: analog dimming mode and mixing light-modulating mode;
Described switch element for inputting required dimming commands, and sends tap changer signal or analog switch signal according to described dimming commands to described Main Control Unit; Described Main Control Unit is used for controlling described voltage-control dimming unit and described simulation dimming unit respectively according to described switching signal;
When being in analog dimming mode:
Described Main Control Unit does not receive described tap changer signal; If described Main Control Unit receives described analog switch signal, send simulation dim signal to described simulation dimming unit;
When being in mixing light-modulating mode:
If described Main Control Unit receives described tap changer signal, send voltage-control dimming signal to described voltage-control dimming unit; If described Main Control Unit receives described analog switch signal, send simulation dim signal to described simulation dimming unit;
The voltage detecting circuit that described Main Control Unit comprises cpu chip and is attached thereto; Described voltage detecting circuit accesses the load circuit of described electric light, and described cpu chip is detected by the voltage of described voltage detecting circuit to described lighting circuit, when AC sinusoidal voltage phase place ripple being detected, enables mixing light-modulating mode; Otherwise, enable analog dimming mode; Described cpu chip is connected with described voltage-control dimming unit and described simulation dimming unit respectively;
Described voltage-control dimming unit comprises voltage-control dimming drive circuit, and described voltage-control dimming drive circuit accesses the load circuit of described cpu chip and described electric light respectively; Described voltage-control dimming drive circuit for receiving the voltage-control dimming signal from described cpu chip, and carries out light modulation according to described voltage-control dimming signal to described electric light;
Described simulation dimming unit comprises simulation dimming driving circuit, and described simulation dimming driving circuit accesses the load circuit of described cpu chip and described electric light; Described simulation dimming driving circuit for receiving the simulation dim signal from described cpu chip, and carries out light modulation according to described simulation dim signal to described electric light.
As prioritization scheme, the model of cpu chip is STM32F103RX.
As prioritization scheme, voltage-control dimming drive circuit is made up of bidirectional triode thyristor, resistance, inductance and triode.
As prioritization scheme, described simulation dimming unit also comprises comparison circuit, and described comparison circuit is connected between described simulation dimming driving circuit and the load circuit of described electric light; Described simulation dimming driving circuit exports an analog drive signal to described comparison circuit according to described simulation dim signal, described comparison circuit offsets described analog drive signal and compares process, then exports an analog control signal and carry out light modulation to described electric light.
As prioritization scheme, simulation dimming driving circuit comprises an analog-driven chip, and the input access cpu chip of analog-driven chip, the output of analog-driven chip is connected with comparison circuit.
As prioritization scheme, the model of analog-driven chip is MCP4706.
As prioritization scheme, comparison circuit comprises the off-centre circuit, one-level comparison circuit and the secondary comparison circuit that connect successively; The output of off-centre circuit access analog-driven chip, the load circuit of secondary comparison circuit access electric light.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is applicable to various electric light, not by the restriction of type of electric lamps, has stronger versatility;
(2) the present invention has voltage-control dimming function and simulation dimming function concurrently, for user provides more dimming function, designs hommization more;
(3) structure of the present invention simple, with low cost, be suitable for applying.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the circuit theory diagrams of cpu chip;
Fig. 3 is the circuit theory diagrams of voltage detecting circuit;
Fig. 4 is the circuit theory diagrams of voltage-control dimming drive circuit;
Fig. 5 is the circuit theory diagrams of simulation dimming driving circuit;
Fig. 6 is the circuit theory diagrams of comparison circuit;
Fig. 7 is the annexation figure of switch element.
In upper figure, sequence number is: 1-Main Control Unit, 11-CPU chip, 12-voltage detecting circuit, 2-switch element, 3-voltage-control dimming unit, 31-voltage-control dimming drive circuit, 4-simulate dimming unit, 41-simulates dimming driving circuit, 42-comparison circuit.
Embodiment
The present invention is described in detail by way of example below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of mixing dimming control system, for carrying out brightness adjustment control to electric light, comprise Main Control Unit 1, switch element 2, voltage-control dimming unit 3 and simulation dimming unit 4, switch element 2, voltage-control dimming unit 3 are connected with Main Control Unit 1 respectively with simulation dimming unit 4; Voltage-control dimming unit 3 accesses the load circuit of electric light, for realizing voltage-control dimming; Simulation dimming unit 4 accesses the load circuit of electric light, simulates light modulation for realizing.
Mixing dimming control system comprises two kinds of light-modulating modes: analog dimming mode and mixing light-modulating mode; Main Control Unit 1 accesses the load circuit of electric light, detects the voltage of lamp load circuit, when AC sinusoidal voltage phase place ripple being detected, enables mixing light-modulating mode; Otherwise, enable analog dimming mode.
Switch element 2 for inputting required dimming commands, and sends tap changer signal or analog switch signal according to dimming commands to Main Control Unit 1; Main Control Unit 1 is for controlling pressure regulation dimming unit 3 and simulation dimming unit 4 respectively according to switching signal.
When being in analog dimming mode:
Main Control Unit 1 does not receive tap changer signal; If Main Control Unit 1 receives analog switch signal, send simulation dim signal to simulation dimming unit 4; Simulation dimming unit 4, according to the simulation dim signal received, carries out light modulation to electric light.
When being in mixing light-modulating mode:
If Main Control Unit 1 receives tap changer signal, send voltage-control dimming signal to voltage-control dimming unit 3, voltage-control dimming unit 3, according to the voltage-control dimming signal received, carries out light modulation to electric light; If Main Control Unit 1 receives analog switch signal, send simulation dim signal to simulation dimming unit 4, simulation dimming unit 4, according to the simulation dim signal received, carries out light modulation to electric light.
In the present embodiment, Main Control Unit 1 comprises cpu chip 11 and is attached thereto voltage detecting circuit 12.Wherein, the model of cpu chip 11 is STM32F103RX, sees Fig. 2.The peripheral circuit of cpu chip comprises the first crystal oscillating circuit, the second crystal oscillating circuit and reset circuit, and described first crystal oscillating circuit is by electric capacity C6, C7, and crystal oscillator CY1 and resistance R13 forms, and for CPU provides work clock, ensures that cpu chip stablizes rapid operation; Second crystal oscillating circuit is by electric capacity C8, C9, real-time clock (RTC, the Real-Time Clock) circuit that crystal oscillator CY2 forms; Reset circuit is made up of resistance R8 and electric capacity C5, for cpu chip counting resets.
Voltage detecting circuit 12 by triode Q1, resistance R1, R12 and R13, and electric capacity C3 forms, and sees Fig. 3.Voltage detecting circuit 12 accesses the pin K3 of cpu chip 11, and the load circuit of the pin N place of voltage detecting circuit 12 access electric light, cpu chip 11 is detected by the voltage of voltage detecting circuit 12 pairs of lighting circuits.When cpu chip 11 has detected the just profound voltage-phase ripple of interchange by pin K3 (zero passage pin), then system has entered mixing light-modulating mode, otherwise system enters analog dimming mode.Here according to the mode of operation of the characteristic Intelligent Adjustment System of voltage, no longer adjust corresponding light-modulating mode according to the kind of electric light, make dimming control system no longer be confined to the electric light of particular types, enhance the versatility of dimming control system.Cpu chip 11 is respectively with voltage-control dimming unit 3 with simulate dimming unit 4 and be connected.
In the present embodiment, voltage-control dimming unit 3 comprises voltage-control dimming drive circuit 31, as shown in Figure 4, voltage-control dimming drive circuit 31 by bidirectional triode thyristor BT, resistance R3, R5, R7 and R10, and inductance FT1 and triode Q3 forms.Voltage-control dimming drive circuit 31 accesses the pin K1 of cpu chip 11, and the pin L1_L of voltage-control dimming drive circuit 31 accesses the load circuit of electric light.Voltage-control dimming drive circuit 31 for receiving the voltage-control dimming signal from cpu chip 11, and carries out light modulation according to voltage-control dimming signal to electric light.
Here the operation principle that voltage-control dimming is concrete is: when cpu chip 11 has detected the just profound voltage-phase ripple of interchange by pin K3 (zero passage pin), cpu chip 11 sends a zero cross fired pulse by pin K1 to voltage-control dimming drive circuit 31, if do not send this zero cross fired pulse, voltage-control dimming function is non-serviceable, and the program makes the function of voltage-control dimming only could use at analog dimming mode.The every 10ms of this zero cross fired pulse sends once, because bidirectional triode thyristor BT can turn off when grid alternating current zero passage each time, and electrical network is 50HZ, cycle 20ms, every 10ms zero passage.After bidirectional triode thyristor BT receives trigger impulse, conducting pin T1 and pin T2, output AC voltage, the size of output voltage plays the effect of light modulation, its size depends on the phase place size of this zero cross fired pulse, and zero cross fired pulse is here voltage-control dimming signal.Namely switch element 2 in the present embodiment is phase place size for regulating this zero cross fired pulse, but be not limited thereto, also the pin CAN_TX of cpu chip 11 and pin CAN_RX can be accessed CAN, receive dimming commands by CAN, and then regulate the phase place size of this zero cross fired pulse.
In the present embodiment, simulation dimming unit 4 comprises interconnective comparison circuit 42 and simulation dimming driving circuit 41, and simulation dimming driving circuit 41 accesses cpu chip 11, and comparison circuit 42 accesses the load circuit of electric light.Simulation dimming driving circuit 41 is for receiving the simulation dim signal from cpu chip 11, an analog drive signal is exported to comparison circuit 42 according to simulation dim signal, comparison circuit 42 pairs of analog drive signal offset and compare process, then export an analog control signal and carry out light modulation to electric light.
As shown in Figure 5, simulation dimming driving circuit 41 comprises an analog-driven chip U1, and the model of this analog-driven chip U1 is MCP4706.The pin SCL of analog-driven chip U1 and pin SDA accesses pin K4 and the pin K2 of cpu chip 11 respectively by serial i 2C bus, the output access comparison circuit 42 of analog-driven chip U1.When cpu chip 11 receives analog switch signal, simulation dim signal is exported to analog-driven chip U1 by pin K4 and pin K2, this simulation dim signal is converted to burning voltage and after amplifying, exports an initial dimmer voltage to comparison circuit 42 from pin Vout again by analog-driven chip U1, and this initial dimmer voltage is analog drive signal.
As shown in Figure 6, comparison circuit 42 comprises the off-centre circuit, one-level comparison circuit and the secondary comparison circuit that connect successively; The output of off-centre circuit access analog-driven chip, the pin L2_L of secondary comparison circuit accesses the load circuit of electric light.Wherein, off-centre circuit is made up of resistance R4 and R9 and electric capacity C2; One-level comparison circuit is made up of amplifier U2A and resistance R11 and R14; Secondary comparison circuit comprises amplifier U2B.Initial dimmer voltage is exported to off-centre circuit by analog-driven chip U1, this off-centre circuit carries out migration processing to initial dimmer voltage, and output offset dimmer voltage is to one-level comparison circuit, this skew dimmer voltage is successively after one-level comparison circuit and secondary comparison circuit, export a dimming control voltage, this dimming control voltage is analog control signal.This dimming control voltage is input in the simulation light modulation driving arrangement in lamp load circuit, the simulation light modulation to electric light can be realized.This simulation light modulation driving arrangement is the commercially available driving arrangement be arranged in lamp load circuit, the input access 220V civil power of simulation light modulation driving arrangement, the dimming control voltage that off-centre circuit exports controls this simulation light modulation driving arrangement, simulation light modulation driving arrangement exports the alternating current of 0 ~ 220V to lamp load according to the size (0 ~ 10V) of this dimming control voltage, when simulating light modulation driving arrangement and exporting as 0V to lamp load, namely do not export, electric light does not work.The brightness of electric light is that the initial dimmer voltage exported by analog-driven chip U1 determines, switch element 2 in the present embodiment is namely for regulating this initial dimmer voltage size, but be not limited thereto, also the pin CAN_TX of cpu chip 11 and pin CAN_RX can be accessed CAN, receive dimming commands by CAN, and then regulate the size of this initial dimmer voltage.In the present embodiment, the initial dimmer voltage scope that analog-driven chip U1 exports is 0V ~ 10V, the brightness of simulation electric light 0 ~ 100%.
In the present embodiment, switch element 2 accesses the pin 37 ~ pin 41 of cpu chip, and for inputting tap changer signal or analog switch signal, the pin 37 ~ pin 41 of cpu chip is five pins controlling voltage-control dimming and simulation dimmer switch and size.As shown in Figure 6, switch element 2 arranges six press keys, be the matrix press-key of 2 × 3, this matrix press-key is corresponding to be defined as: it is dimmed that button 21-voltage-control dimming highlights, button 22-simulation light modulation highlights, button 23-voltage-control dimming ON/OFF, button 24-simulate light modulation ON/OFF, button 25-voltage-control dimming is dimmed, button 26-simulates light modulation.The alignment of matrix press-key is received respectively the pin 37 of cpu chip and pin 41 as input line, line is received respectively the pin 38 ~ pin 40 of cpu chip as output line, when there being button to press, line exports as " 0 ", reading alignment state is " 1 ", namely corresponding intersection button is pressed, otherwise does not press.
Workflow of the present invention is as follows:
(1) cpu chip 11 is detected by the voltage in voltage detecting circuit 12 pairs of lamp load circuit, when AC sinusoidal voltage phase place ripple being detected, enables mixing light-modulating mode; Otherwise, enable analog dimming mode.
(2) when being in analog dimming mode, simulation light modulation can only be carried out by switch element 2, can not voltage-control dimming be carried out; When being in mixing light-modulating mode, both can carrying out simulation light modulation by switch element 2, also can carry out voltage-control dimming.
Several specific embodiments of the application being only above, but the not limited thereto the changes that any person skilled in the art can think of of the application, all should drop in the protection range of the application.
Claims (7)
1. a mixing dimming control system, for carrying out brightness adjustment control to electric light, it is characterized in that, comprise Main Control Unit, switch element, voltage-control dimming unit and simulation dimming unit, described switch element, described voltage-control dimming unit and described simulation dimming unit are connected with described Main Control Unit respectively; Described voltage-control dimming unit accesses the load circuit of described electric light, for realizing voltage-control dimming; Described simulation dimming unit accesses the load circuit of described electric light, simulates light modulation for realizing; Described Main Control Unit is also connected with CAN, and described CAN is used for dimming commands described in described Main Control Unit remote transmission; Wherein:
Described mixing dimming control system comprises two kinds of light-modulating modes: analog dimming mode and mixing light-modulating mode;
Described switch element for inputting required dimming commands, and sends tap changer signal or analog switch signal according to described dimming commands to described Main Control Unit; Described Main Control Unit is used for controlling described voltage-control dimming unit and described simulation dimming unit respectively according to described switching signal;
When being in analog dimming mode:
Described Main Control Unit does not receive described tap changer signal; If described Main Control Unit receives described analog switch signal, send simulation dim signal to described simulation dimming unit;
When being in mixing light-modulating mode:
If described Main Control Unit receives described tap changer signal, send voltage-control dimming signal to described voltage-control dimming unit; If described Main Control Unit receives described analog switch signal, send simulation dim signal to described simulation dimming unit;
The voltage detecting circuit that described Main Control Unit comprises cpu chip and is attached thereto; Described voltage detecting circuit accesses the load circuit of described electric light, and described cpu chip is detected by the voltage of described voltage detecting circuit to described lighting circuit, when AC sinusoidal voltage phase place ripple being detected, enables mixing light-modulating mode; Otherwise, enable analog dimming mode; Described cpu chip is connected with described voltage-control dimming unit and described simulation dimming unit respectively;
Described voltage-control dimming unit comprises voltage-control dimming drive circuit, and described voltage-control dimming drive circuit accesses the load circuit of described cpu chip and described electric light respectively; Described voltage-control dimming drive circuit for receiving the voltage-control dimming signal from described cpu chip, and carries out light modulation according to described voltage-control dimming signal to described electric light;
Described simulation dimming unit comprises simulation dimming driving circuit, and described simulation dimming driving circuit accesses the load circuit of described cpu chip and described electric light; Described simulation dimming driving circuit for receiving the simulation dim signal from described cpu chip, and carries out light modulation according to described simulation dim signal to described electric light.
2. one mixing dimming control system according to claim 1, it is characterized in that, the model of described cpu chip is STM32F103RX.
3. one mixing dimming control system according to claim 1, it is characterized in that, described voltage-control dimming drive circuit is made up of bidirectional triode thyristor, resistance, inductance and triode.
4. one mixing dimming control system according to claim 1, it is characterized in that, described simulation dimming unit also comprises comparison circuit, and described comparison circuit is connected between described simulation dimming driving circuit and the load circuit of described electric light; Described simulation dimming driving circuit exports an analog drive signal to described comparison circuit according to described simulation dim signal, described comparison circuit offsets described analog drive signal and compares process, then exports an analog control signal and carry out light modulation to described electric light.
5. one mixing dimming control system according to claim 4, it is characterized in that, described simulation dimming driving circuit comprises an analog-driven chip, and the input of described analog-driven chip accesses described cpu chip, and the output of described analog-driven chip is connected with described comparison circuit.
6. one mixing dimming control system according to claim 5, it is characterized in that, the model of described analog-driven chip is MCP4706.
7. one mixing dimming control system according to claim 5, it is characterized in that, described comparison circuit comprises the off-centre circuit, one-level comparison circuit and the secondary comparison circuit that connect successively; Described off-centre circuit accesses the output of described analog-driven chip, and described secondary comparison circuit accesses the load circuit of described electric light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569450.8A CN103607817B (en) | 2013-11-15 | 2013-11-15 | A kind of mixing dimming control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310569450.8A CN103607817B (en) | 2013-11-15 | 2013-11-15 | A kind of mixing dimming control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103607817A CN103607817A (en) | 2014-02-26 |
| CN103607817B true CN103607817B (en) | 2015-08-05 |
Family
ID=50126002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310569450.8A Expired - Fee Related CN103607817B (en) | 2013-11-15 | 2013-11-15 | A kind of mixing dimming control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103607817B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114390747A (en) * | 2020-10-16 | 2022-04-22 | 深圳市睿迈德科技有限公司 | Intelligent touch light-adjusting switch and intelligent light-adjusting lamp applying same |
| CN115334707B (en) * | 2022-08-08 | 2024-07-02 | 重庆绿色科技开发（集团）有限公司 | Internet of things red, green, blue, yellow and white LED five-primary-color mixed light full-spectrum intelligent lighting technology |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7619539B2 (en) * | 2004-02-13 | 2009-11-17 | Lutron Electronics Co., Inc. | Multiple-input electronic ballast with processor |
| TW201044915A (en) * | 2009-06-03 | 2010-12-16 | Richtek Technology Corp | AC power line controlled light emitting device dimming circuit and method thereof |
| CN201541386U (en) * | 2009-10-20 | 2010-08-04 | 秦兵 | A remote control and button dimming energy-saving lamp |
| CN102264175A (en) * | 2010-05-26 | 2011-11-30 | 马士科技有限公司 | Dimming device for light-emitting diode lamps with graded dimming |
| US8324822B2 (en) * | 2010-08-06 | 2012-12-04 | Ace Power International, Inc. | System and method for dimmable constant power light driver |
| CN102143638B (en) * | 2011-04-08 | 2013-07-24 | 矽力杰半导体技术(杭州)有限公司 | Silicon-controlled light-dimming circuit, light-dimming method and LED (light-emitting diode) driver applying the same |
-
2013
- 2013-11-15 CN CN201310569450.8A patent/CN103607817B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103607817A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109673086B (en) | LED drive control circuit compatible with wireless dimming and color mixing and wall switch color mixing | |
| CN103702480B (en) | LED drive circuit and the method in conjunction with mains switch change glow color thereof | |
| CN105848389A (en) | Networkable front phase cut dimming touch switch | |
| CN201797622U (en) | Circuit for dimming or speed regulation control | |
| CN202603016U (en) | Driving circuit of LED (light-emitting diode) fluorescent lamp with adjustable light | |
| CN104853476A (en) | LED dimming circuit and LED lamp | |
| CN103607817B (en) | A kind of mixing dimming control system | |
| CN201042100Y (en) | Light-adjusting control signal transmission circuit for electronic light-adjusting rectifier | |
| CN202603012U (en) | Intelligent controller for light-emitting diode (LED) room lamp | |
| CN104661408A (en) | LED dimming circuit and LED lamp | |
| CN206640837U (en) | An LED lamp control device compatible with voltage dimming and PWM dimming | |
| WO2018058298A1 (en) | Dimming switch system and method | |
| CN104582057A (en) | Control method for multiple lamps | |
| CN204268418U (en) | A kind of Multi-functional Lighting signal controlled switch | |
| TWI446831B (en) | Digital AC dimming control circuit | |
| CN203279250U (en) | High-power dimming controller | |
| CN202652646U (en) | Universal light modulator | |
| CN203279267U (en) | AC (alternating current) driving LED luminance stabilizing apparatus | |
| CN210579387U (en) | Novel intelligent light modulator | |
| CN204616142U (en) | A kind of Dimmable LED desk lamp | |
| CN204425713U (en) | Brightness is regulated and the control circuit exported with USB in energy-saving LED lamp | |
| CN211406380U (en) | Power parallel driver | |
| CN108617047A (en) | A kind of intelligent dimming LED experimental facilities | |
| CN202602991U (en) | AC control device for LED lighting | |
| CN204721329U (en) | Electronics superconduct solid-state relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |