CN105050256A - Dimming control system with remote control function - Google Patents
Dimming control system with remote control function Download PDFInfo
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- CN105050256A CN105050256A CN201510400220.8A CN201510400220A CN105050256A CN 105050256 A CN105050256 A CN 105050256A CN 201510400220 A CN201510400220 A CN 201510400220A CN 105050256 A CN105050256 A CN 105050256A
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Abstract
The invention relates to a dimming control system with a remote control function. The dimming control system includes a dimming controller and a lamp light remote control device connected with the dimming controller; the dimming controller includes a microprocessor and a dimming control circuit; the dimming control circuit comprises a photoelectric coupler U1, a phase inverter, a decoupling capacitor, current limiting resistors R4 and R1, a bidirectional thyristor Q1, a capacitor C1, a resistor R2 and a resistor R3; the phase inverter is connected with the microprocessor; an output end of the U1 is connected with the positive pole of the Q1 through the R1; the other output end of the U1 is connected with the resistor R3 and the gate pole of the Q1; one end of the R3 is connected with the gate pole of the Q1; the other end of R3 is connected with the negative pole of the Q1; the R2 and the C1 are connected in series between the positive pole and the negative pole of the Q1; one end of the decoupling capacitor is connected with a power source; and the other end of the decoupling capacitor is grounded. According to the dimming control system with the remote control function of the invention, the brightness of a lamp can be adjusted through a key or remotely, and therefore, the dimming control system is convenient to use; and the time ratio of switching on and switching off of the thyristor which are realized by zero-crossing triggering is adopted to adjust the power of the lamp, and therefore, voltage waveform will not be changed, and pollution to a power grid will not be brought about.
Description
Technical field
The present invention relates to lighting control technology field, particularly, relate to the dimming control system with distant control function.
Background technology
Along with the raising of people's quality of life, light fixture has been not merely indoor base lighting instrument, and be a kind of practical artwork of building decoration, after family has light fixture miscellaneous, they are carefully arranged in pairs or groups together, reach the needs that optimal atmosphere effect is high-quality life, the main still manual form of control of current light, control all light fixtures one by one, so not only trouble but also inefficiency, do not meet the standard of modern comfortable life yet.In addition, along with the growth of people's environmental protection ideas, the demand of people is also become in time according to the daylighting situation adjustment lamp brightness in family.
Therefore, design the requirement that an intelligent lighting system that can control light easily had both met the comfortable life of people, there is again the advantage of low-carbon environment-friendly.Light adjusting controller is one of equipment of intelligent lighting system most critical, is to realize the requisite device of brightness adjustment control.The adjusting control circuit of current light adjusting controller is its very important circuit.Traditional light-dimming method all adopts phase-shifting trigger thyristor, the angle of flow controlling thyristor controls power output, not only sync detection circuit is complicated, and high order harmonic component interference can be produced instantaneously at turn on thyristors, cause grid voltage waveform to distort, affect the normal work of other power consumption equipments and communication system.
Summary of the invention
Object of the present invention is just the shortcoming and defect overcoming above-mentioned prior art, provides the dimming control system with distant control function, and the adjusting control circuit of its light adjusting controller can not cause line voltage to distort.
The present invention's adopted technical scheme that solves the problem is:
There is the dimming control system of distant control function, comprise light adjusting controller, light remote control equipment, monitoring host computer, with the display that is connected of monitoring host computer, described light adjusting controller, light remote control equipment are connected by wireless network, and described light adjusting controller is connected by RS485 bus with monitoring host computer; Described light adjusting controller comprises microprocessor and adjusting control circuit; Described adjusting control circuit comprises photoelectrical coupler U1, inverter U2, decoupling capacitor C2, current-limiting resistance R4, outside thyristor Q1, electric capacity C1, current-limiting resistance R1, resistance R2, resistance R3; Described outside thyristor Q1 is bidirectional thyristor; Described inverter U2 is connected with microprocessor; Input of described photoelectrical coupler U1 connects the output of inverter U2, another input connects by current-limiting resistance R4 power Vcc, output to connect the anode of outside thyristor Q1, another output contact resistance R3 and outside thyristor Q1 simultaneously gate pole by current-limiting resistance R1; The negative electrode that described resistance R3 one end connects the gate pole of outside thyristor Q1, the other end connects outside thyristor Q1; Between the anode that described resistance R2 and electric capacity C1 is connected on outside thyristor Q1 and negative electrode; Described decoupling capacitor C2 one end connects power Vcc, other end ground connection.
As a further improvement on the present invention, described light adjusting controller also comprises key-press module, wireless communication module, RS485 communication module, and described key-press module, wireless communication module, RS485 communication module are all connected on microprocessor; Described light remote control equipment comprises communication module, microcontroller, Keysheet module, and described communication module is all connected with microcontroller with Keysheet module, and the described communication module of light remote control equipment is connected by wireless network with the wireless communication module of light adjusting controller.
As another improvement of the present invention, described photoelectrical coupler U1 comprises light-emitting diode D1, zero cross detection circuit and inner thyristor Q2; Described inner thyristor Q2 is photosensitive bidirectional thyristor; The output that positive pole connects current-limiting resistance R4, negative pole connects inverter U2 of described light-emitting diode D1; The gate pole of described inner thyristor Q2 is connected zero cross detection circuit with negative electrode, anode connects current-limiting resistance R1.
Preferably, described photoelectrical coupler U1 adopts the photoelectrical coupler of MOC3041 model.
Preferably, the resistance of described current-limiting resistance R4 is 100 Ω, and the resistance of described current-limiting resistance R1 is 400 Ω.
Preferably, the resistance of described resistance R2 is 39 Ω, and the resistance of described resistance R3 is 330 Ω, and the capacitance of described electric capacity C1 is 0.01 μ F.
Preferably, described wireless communication module is radio-frequency communication module.
To sum up, the invention has the beneficial effects as follows: the invention provides the dimming control system with distant control function, support that user is on-the-spot and adjust lamp brightness by the button on controller or the long-range light remote control equipment that passes through, easy to use; Adjusting control circuit of the present invention adopts the time ratios of zero cross fired turn on thyristors and shutoff to regulate the power of light fixture, only changes the number of times that electrical voltage full-wave passes through, can not pollute electrical network because zero cross fired does not change the waveform of voltage.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, there is the dimming control system of distant control function, comprise light adjusting controller, light remote control equipment, monitoring host computer, with the display that is connected of monitoring host computer, described light adjusting controller, light remote control equipment are connected by wireless network, and described light adjusting controller is connected by RS485 bus with monitoring host computer;
Described light adjusting controller comprises microprocessor, key-press module, wireless communication module, RS485 communication module and adjusting control circuit; Described key-press module, wireless communication module, RS485 communication module, adjusting control circuit are all connected on microprocessor.Key-press module is used for user scene by pressing key control lamp brightness, wireless communication module is connected with light remote control equipment, communicate with this light remote control equipment, user can send dimming commands by light remote control equipment to this light adjusting controller, transfer to microprocessor processes after the wireless communication module of light adjusting controller receives instruction, microprocessor controls adjusting control circuit according to user instruction and changes lamp brightness.Microprocessor can adopt the programmable devices such as FPGA, CPLD, single-chip microcomputer, DSP.RS485 communication module is used for communicating with host computer, and the data of light adjusting controller are sent to host computer, and receives the instruction of host computer, display is sent to the data of host computer for showing light adjusting controller.
Described light remote control equipment comprises communication module, microcontroller, Keysheet module, and described communication module is all connected with microcontroller with Keysheet module, and the described communication module of light remote control equipment is connected by wireless network with the wireless communication module of light adjusting controller.User is by Keysheet module input control order, and control command sends to light adjusting controller by communication module, and light adjusting controller performs dimming commands.
Described adjusting control circuit comprises photoelectrical coupler U1, inverter U2, decoupling capacitor C2, current-limiting resistance R4, outside thyristor Q1, electric capacity C1, current-limiting resistance R1, resistance R2, resistance R3; Described outside thyristor Q1 is bidirectional thyristor; The input of described inverter U2 is connected with microprocessor; Input of described photoelectrical coupler U1 connects the output of inverter U2, another input connects by current-limiting resistance R4 power Vcc, output to connect the anode A of outside thyristor Q1, another output contact resistance R3 and outside thyristor Q1 simultaneously gate pole G by current-limiting resistance R1; The negative electrode K that described resistance R3 one end connects the gate pole G of outside thyristor Q1, the other end connects outside thyristor Q1; Between the anode A that described resistance R2 and electric capacity C1 is connected on outside thyristor Q1 and negative electrode K; Described decoupling capacitor C2 one end connects power Vcc, other end ground connection.During use, between the anode A that load and light fixture are connected to outside thyristor Q1 and negative electrode K.
Described photoelectrical coupler U1 comprises light-emitting diode D1, zero cross detection circuit and inner thyristor Q2; Described inner thyristor Q2 is photosensitive bidirectional thyristor; The output that positive pole connects current-limiting resistance R4, negative pole connects inverter U2 of described light-emitting diode D1; The gate pole G that the gate pole G of described inner thyristor Q2 is connected zero cross detection circuit with negative electrode K, anode A connects current-limiting resistance R1, negative electrode K also contact resistance R3 and outside thyristor Q1 simultaneously.In the present embodiment, zero cross detection circuit adopts zero cross detection circuit conventional in this area, in the present embodiment, repeats no more its concrete structure and principle.
Described inverter U2 is connected with microprocessor; According to microprocessor-based control conducting or the light-emitting diode D1 closing photoelectrical coupler U1.
Described photoelectrical coupler U1 adopts the photoelectrical coupler of MOC3041 model.The resistance of described current-limiting resistance R4 is 100 Ω, and the resistance of described current-limiting resistance R1 is 400 Ω.The resistance of described resistance R2 is 39 Ω, and the resistance of described resistance R3 is 330 Ω, and the capacitance of described electric capacity C1 is 0.01 μ F.
MOC3041 inside is containing zero cross detection circuit, when the electric current of the positive pole input 15mA of light-emitting diode, the inner negative electrode of thyristor Q2 and the voltage of anode little over zero time, inner thyristor Q2 conducting, trigger external thyristor Q1 conducting, when the positive pole input current of MOC3041 light-emitting diode is 0, inner thyristor Q2 turns off, thus outside thyristor Q1 also turns off.The present invention adopts the time ratios of zero cross fired turn on thyristors and shutoff to regulate the power of light fixture, does not change the waveform of voltage and only changes the number of times that electrical voltage full-wave passes through, can not pollute electrical network due to zero cross fired.
In the present embodiment, described wireless communication module and communication module are radio-frequency communication module, the concrete radio transmitting and receiving chip adopting nRF401 model.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (7)
1. there is the dimming control system of distant control function, it is characterized in that, comprise light adjusting controller, light remote control equipment, monitoring host computer, with the display that is connected of monitoring host computer, described light adjusting controller, light remote control equipment are connected by wireless network, and described light adjusting controller is connected by RS485 bus with monitoring host computer;
Described light adjusting controller comprises microprocessor and adjusting control circuit; Described adjusting control circuit comprises photoelectrical coupler U1, inverter U2, decoupling capacitor C2, current-limiting resistance R4, outside thyristor Q1, electric capacity C1, current-limiting resistance R1, resistance R2, resistance R3; Described outside thyristor Q1 is bidirectional thyristor; Described inverter U2 is connected with microprocessor; Input of described photoelectrical coupler U1 connects the output of inverter U2, another input connects by current-limiting resistance R4 power Vcc, output to connect the anode of outside thyristor Q1, another output contact resistance R3 and outside thyristor Q1 simultaneously gate pole by current-limiting resistance R1; The negative electrode that described resistance R3 one end connects the gate pole of outside thyristor Q1, the other end connects outside thyristor Q1; Between the anode that described resistance R2 and electric capacity C1 is connected on outside thyristor Q1 and negative electrode; Described decoupling capacitor C2 one end connects power Vcc, other end ground connection.
2. the dimming control system with distant control function according to claim 1, it is characterized in that, described light adjusting controller also comprises key-press module, wireless communication module, RS485 communication module, and described key-press module, wireless communication module, RS485 communication module are all connected on microprocessor; Described light remote control equipment comprises communication module, microcontroller, Keysheet module, and described communication module is all connected with microcontroller with Keysheet module, and the described communication module of light remote control equipment is connected by wireless network with the wireless communication module of light adjusting controller.
3. the dimming control system with distant control function according to claim 1 and 2, is characterized in that, described photoelectrical coupler U1 comprises light-emitting diode D1, zero cross detection circuit and inner thyristor Q2; Described inner thyristor Q2 is photosensitive bidirectional thyristor; The output that positive pole connects current-limiting resistance R4, negative pole connects inverter U2 of described light-emitting diode D1; The gate pole of described inner thyristor Q2 is connected zero cross detection circuit with negative electrode, anode connects current-limiting resistance R1.
4. the dimming control system with distant control function according to claim 3, is characterized in that, described photoelectrical coupler U1 adopts the photoelectrical coupler of MOC3041 model.
5. the dimming control system with distant control function according to claim 3, is characterized in that, the resistance of described current-limiting resistance R4 is 100 Ω, and the resistance of described current-limiting resistance R1 is 400 Ω.
6. the dimming control system with distant control function according to claim 3, is characterized in that, the resistance of described resistance R2 is 39 Ω, and the resistance of described resistance R3 is 330 Ω, and the capacitance of described electric capacity C1 is 0.01 μ F.
7. the dimming control system with distant control function according to claim 3, is characterized in that, described wireless communication module is radio-frequency communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510400220.8A CN105050256A (en) | 2015-07-10 | 2015-07-10 | Dimming control system with remote control function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510400220.8A CN105050256A (en) | 2015-07-10 | 2015-07-10 | Dimming control system with remote control function |
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| CN105050256A true CN105050256A (en) | 2015-11-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106016079A (en) * | 2016-07-22 | 2016-10-12 | 福建船政交通职业学院 | Tunnel lamp and control method thereof |
| CN112751739A (en) * | 2020-12-31 | 2021-05-04 | 珠海雷特科技股份有限公司 | Long-distance data transmission device based on data bus and intelligent lamp control system |
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| CN101466181A (en) * | 2007-12-17 | 2009-06-24 | 恒明创意科技股份有限公司 | Method and control system for altering lamp luminous color |
| CN202679738U (en) * | 2012-06-27 | 2013-01-16 | 何林 | Energy-saving passive electronic time-delay switch |
| CN203608406U (en) * | 2013-08-29 | 2014-05-21 | 南京工程学院 | Energy-saving LED fill light |
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2015
- 2015-07-10 CN CN201510400220.8A patent/CN105050256A/en active Pending
Patent Citations (3)
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| CN101466181A (en) * | 2007-12-17 | 2009-06-24 | 恒明创意科技股份有限公司 | Method and control system for altering lamp luminous color |
| CN202679738U (en) * | 2012-06-27 | 2013-01-16 | 何林 | Energy-saving passive electronic time-delay switch |
| CN203608406U (en) * | 2013-08-29 | 2014-05-21 | 南京工程学院 | Energy-saving LED fill light |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106016079A (en) * | 2016-07-22 | 2016-10-12 | 福建船政交通职业学院 | Tunnel lamp and control method thereof |
| CN112751739A (en) * | 2020-12-31 | 2021-05-04 | 珠海雷特科技股份有限公司 | Long-distance data transmission device based on data bus and intelligent lamp control system |
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