CN106507545B - Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system - Google Patents
Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system Download PDFInfo
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- CN106507545B CN106507545B CN201611200659.7A CN201611200659A CN106507545B CN 106507545 B CN106507545 B CN 106507545B CN 201611200659 A CN201611200659 A CN 201611200659A CN 106507545 B CN106507545 B CN 106507545B
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Abstract
The invention provides an intelligent control system for airplane multi-color-temperature brightness-adjustable LED illumination, which comprises a constant current source, two groups of LED lamp sets with different color temperatures, an LED lamp set control circuit, a power supply circuit and a display module, wherein the LED lamp sets are connected with the constant current source through the constant current source; the constant current source is an adjustable constant current source; the input end of the constant current source is connected with a mains supply, the positive output end of the constant current source is respectively connected with the power circuit and the anodes of the two groups of LED lamp banks, the negative electrode of each LED lamp bank is connected with the negative output end of the constant current source through the LED lamp bank control circuit, the control feedback end of the LED lamp control circuit is connected with the command end of the constant current source, the control output end of the LED lamp bank control circuit is connected with the control input end of the display module, and the output end of the power circuit is connected with the display module; through the structure, the color temperature and the brightness of the LED lamp can be accurately adjusted, so that the application requirements of different occasions and different crowds are met, and the LED lamp is convenient to use.
Description
Technical Field
The invention relates to the field of illumination, in particular to an intelligent control system for airplane multicolor temperature and brightness adjustable LED illumination.
Background
At present, the global environment is continuously deteriorated, clean energy is developed in all countries, and the LED lamp is more and more widely applied to the field of urban road lighting as a new light source due to the advantages of less energy consumption, strong applicability, high light definition, good comfort, short response time, no environmental pollution, multi-color temperature and the like.
With the continuous development of the LED lamp technology, the LED lighting technology is gradually applied to various fields of modern production and life, and the requirements for color temperature and brightness of the LED lamp are diversified, that is, how to accurately adjust the color temperature and brightness and display the current adjustment state is called as the technical difficulty in the LED lighting field, in different situations, different people's preferences or different color temperatures and brightnesses.
Therefore, an intelligent control system for the aircraft multi-color-temperature brightness-adjustable LED illumination is needed to be provided, the color temperature and the brightness of the illumination of the LED lamp can be accurately adjusted, the application requirements of different occasions and different crowds are met, and the intelligent control system is convenient to use.
Disclosure of Invention
In view of this, the invention aims to provide an intelligent control system for airplane multi-color temperature and brightness adjustable LED lighting, which can accurately adjust the color temperature and brightness of LED lighting to meet the application requirements of different occasions and different people and is convenient to use.
The invention provides an intelligent control system for airplane multi-color-temperature brightness-adjustable LED illumination, which comprises a constant current source, two groups of LED lamp sets with different color temperatures, an LED lamp set control circuit, a power supply circuit and a display module, wherein the LED lamp sets are connected with the constant current source;
the constant current source is an adjustable constant current source; the input and the commercial power of constant current source are connected, and the positive output of constant current source is connected with the anodal of power supply circuit and two sets of LED banks respectively, and the negative pole of LED banks passes through LED banks control circuit to be connected with the negative output of constant current source, the control feedback end of LED lamps control circuit is connected with the command end of constant current source, LED banks control circuit's control output end is connected with display module's control input end, power supply circuit's output display module connects.
Further, the LED lamp set control circuit includes a control circuit IC2, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a transistor Q6, a transistor Q7, a transistor Q8, and a transistor Q9;
the control circuit IC1 includes 8 pins; a pin 1 of the control circuit IC2 is a control signal input end, a pin 2 of the control circuit IC2 is connected with a base of the triode Q7 through a resistor R23, a pin 3 of the control circuit IC2 is connected with a base of the triode Q6 through a resistor R22, a pin 4 of the control circuit IC2 is connected with a base of the triode Q8 through a resistor R24, a pin 6 of the control circuit IC2 is connected with a positive output end of a constant current source, a pin 7 of the control circuit IC2 is connected with a base of the triode Q9 through a resistor R25, a pin 5 of the control circuit IC2 outputs a trigger control signal to the display module, and a pin 8 of the control circuit IC2 is connected with the power module;
the collector of triode Q6 is connected with the negative pole of constant current source, the projecting pole of triode Q6 is connected with the negative pole of second LED banks LED2, the collector of triode Q7 is connected with the negative pole of constant current source, the projecting pole of triode Q7 is connected with the negative pole of first LED banks LED1, the collector of triode Q8 and triode Q9 is connected with the first control end of constant current source, the projecting pole of triode Q8 is connected with the second control end of constant current source through resistance R26, triode Q9 is connected with the second control end of constant current source through resistance R27.
Further, the power module comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a MOS transistor Q5, a transformer T1 and a control chip IC 1;
one end of the capacitor C1 is connected with the anode of a constant current source, the other end of the capacitor C1 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with the cathode of the constant current source, the common connection point of the capacitor C1 and the constant current source is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the cathode of the constant current source through the capacitor C3, the anode of the diode D2 is connected with the cathode of the diode D1, the cathode of the diode D2 is connected with the anode of the diode D3, one end of the resistor R1 is connected with the common connection point between the capacitor C1 and the cathode of the diode D3, the other group is connected with the cathode of the constant current source after being connected in parallel through the capacitor C2 and the capacitor C4, the common connection point of the resistor R1 and the capacitor C2 is connected with a pin 1 of the control chip IC1, a pin 3 of the control chip IC1 is connected with the gate of the Q5 of the MOS tube through a, a 4 pin of the control chip IC1 is connected with the source electrode of the MOS tube Q5; the anode of the diode D5 is connected to the cathode of the diode D3, the cathode of the diode D5 is connected to the cathode of the diode D6, one end of the resistor R8 is connected to the anode of the diode D5, the other end of the resistor R8 is connected to the cathode of the diode D5 through a capacitor C6, two ends of a secondary coil L1 of the transformer T1 are connected to the anode of the diode D5 and the anode of the diode D6, the anode of the diode D6 is connected to the drain of the MOS transistor Q6, the anode of the diode D6 is further connected to the 5-pin of the control chip IC 6 through a resistor R6, the 5-pin of the control chip IC 6 is connected to the cathode of the constant current source through a capacitor C6, one end of the secondary coil L6 of the transformer T6 is connected to the anode of the diode D6, the other end of the diode D6 is connected to the cathode of the constant current source, the anode of the diode D6 is connected to the common connection point of the control chip 6 through a resistor R6, and the cathode of, one end of a secondary coil L3 of the transformer T1 is connected to the anode of a diode D7, the cathode of the diode D7 is used as the output end of the power module, the cathode of the diode D7 is connected in parallel with the other end of the secondary coil L3 through a capacitor C9 and a resistor R10, one end of the resistor R9 is connected to the anode of a diode D7, the other end of the resistor R9 is connected to the cathode of a diode D7 through a capacitor C8, and an 8-pin of the control circuit IC2 is connected to a common connection point between a secondary coil L3 of the transformer and the capacitor C9.
Further, the display module comprises a gate switch SW1, a digital display tube, a control chip IC3, a triode Q1, a triode Q2, a triode Q3 and a triode Q4;
the gate switch SW1 is a SW-DI IP8 switch and has 8 paths of outputs, the pin 16 of the gate switch SW1 is connected with the output end of the power supply module, the 8 paths of outputs of the gate switch SW1 are respectively connected with 8 input ends of the digital display tube, and the pin 13 of the gate switch SW1 is connected with the pin 5 of the control circuit IC 2; a pin 1 of the control chip IC3 is connected to the negative electrode of the constant current source, a pin 7 of the control chip IC3 is connected to the positive electrode of the constant current source, a pin 5 of the control chip IC3 is connected to the base electrode of the triode Q4 through a resistor R18, a pin 2 of the control chip IC3 is connected to the base electrode of the triode Q3 through a resistor R19, a pin 3 of the control chip IC3 is connected to the base electrode of the triode Q2 through a resistor R20, a pin 8 of the control chip IC3 is connected to the base electrode of the triode Q1 through a resistor R21, and a pin 6 of the control chip IC3 is connected to a pin 5 of the control circuit IC 89; the collector electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are all connected with a power supply VCC, and the emitter electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are respectively connected with the control input ends K1, K2, K3 and K4 of the digital display tube.
The invention has the beneficial effects that: the intelligent control system for the airplane multi-color temperature and brightness adjustable LED illumination can accurately adjust the color temperature and the brightness of the LED lamp illumination so as to meet the application requirements of different occasions and different crowds, and is convenient to use.
Drawings
The invention is further described below with reference to the following figures and examples:
fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
Fig. 1 is a schematic circuit diagram of the present invention, and as shown in the figure, the present invention provides an intelligent control system for aircraft multi-color-temperature brightness-adjustable LED lighting, which includes a constant current source, two groups of LED lamps with different color temperatures, an LED lamp control circuit, a power circuit, and a display module;
the constant current source is an adjustable constant current source; the input end of the constant current source is connected with a mains supply, the positive output end of the constant current source is respectively connected with the power circuit and the anodes of the two groups of LED lamp banks, the negative electrode of each LED lamp bank is connected with the negative output end of the constant current source through the LED lamp bank control circuit, the control feedback end of the LED lamp control circuit is connected with the command end of the constant current source, the control output end of the LED lamp bank control circuit is connected with the control input end of the display module, and the output end of the power circuit is connected with the display module; wherein, constant current source adopts current adjustable constant current source, according to the difference of luminance promptly, can export different stable electric current, through above-mentioned structure, can realize accurate regulation to the colour temperature and the luminance of LED lamp illumination to satisfy different occasions, different crowds' application demand, convenient to use moreover.
In this embodiment, the LED light set control circuit includes a control circuit IC2, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a transistor Q6, a transistor Q7, a transistor Q8, and a transistor Q9;
the control circuit IC1 includes 8 pins; a pin 1 of the control circuit IC2 is a control signal input end, a pin 2 of the control circuit IC2 is connected with a base of the triode Q7 through a resistor R23, a pin 3 of the control circuit IC2 is connected with a base of the triode Q6 through a resistor R22, a pin 4 of the control circuit IC2 is connected with a base of the triode Q8 through a resistor R24, a pin 6 of the control circuit IC2 is connected with a positive output end of a constant current source, a pin 7 of the control circuit IC2 is connected with a base of the triode Q9 through a resistor R25, a pin 5 of the control circuit IC2 outputs a trigger control signal to the display module, and a pin 8 of the control circuit IC2 is connected with the power module;
a collector of the triode Q6 is connected with a negative electrode of a constant current source, an emitter of the triode Q6 is connected with a negative electrode of the second LED lamp group LED2, a collector of the triode Q7 is connected with a negative electrode of a constant current source, an emitter of the triode Q7 is connected with a negative electrode of the first LED lamp group LED1, collectors of the triode Q8 and the triode Q9 are connected with a first control end of the constant current source, an emitter of the triode Q8 is connected with a second control end of the constant current source through a resistor R26, and the triode Q9 is connected with a second control end of the constant current source through a resistor R27, wherein, in the present embodiment, the first LED lamp group LED1 is formed by sequentially connecting white LED lamps in series, the second LED lamp group LED2 is formed by sequentially connecting yellow LED lamps in series, a control signal of the control circuit IC2 can be input through an existing touch control circuit or can be input through an existing remote control device, when only one of color temperatures is required, the triode Q6 or the triode Q, respectively emitting white light or yellow light; when different brightness levels need to be adjusted, if only white light is needed and the brightness levels need to be adjusted, the triode Q8 and the triode Q6 are simultaneously conducted, the white light LED lamp group can be controlled to emit light and have two different light emission levels, when the two LED lamp groups need to emit light simultaneously and the color temperature needs to be adjusted, the triode Q6 and the triode Q7 are simultaneously conducted, the triode Q8 and the triode Q9 are alternatively conducted or simultaneously conducted, in order to achieve more brightness and color temperature adjustment levels, the resistor R26 and the resistor R27 adopt adjustable resistors, if a potentiometer is adopted, more brightness levels are achieved, and if the potentiometer is adopted, continuous adjustment of brightness can be achieved; the adjustable constant current source is that the output value is adjustable and is unstable and inconvenient on the set output value, wherein the first control end of the constant current source outputs an adjusting detection signal, at the moment, the triode Q8 and the triode Q9 are both cut off, so that no signal is input from the second control end of the constant current source, the constant current source keeps inconvenient in output, when the triode Q8 or the triode Q9 is switched on or switched on simultaneously, the second control end has signal input, and the constant current source adjusts and outputs according to the input signal and stabilizes the current output value until the next adjusting instruction, namely, the feedback signal input from the second control end changes.
In this embodiment, the power module includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a MOS transistor Q5, a transformer T1, and a control chip IC 1;
one end of the capacitor C1 is connected with the anode of a constant current source, the other end of the capacitor C1 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with the cathode of the constant current source, the common connection point of the capacitor C1 and the constant current source is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the cathode of the constant current source through the capacitor C3, the anode of the diode D2 is connected with the cathode of the diode D1, the cathode of the diode D2 is connected with the anode of the diode D3, one end of the resistor R1 is connected with the common connection point between the capacitor C1 and the cathode of the diode D3, the other group is connected with the cathode of the constant current source after being connected in parallel through the capacitor C2 and the capacitor C4, the common connection point of the resistor R1 and the capacitor C2 is connected with a pin 1 of the control chip IC1, a pin 3 of the control chip IC1 is connected with the gate of the Q5 of the MOS tube through a, a 4 pin of the control chip IC1 is connected with the source electrode of the MOS tube Q5; the anode of the diode D5 is connected to the cathode of the diode D3, the cathode of the diode D5 is connected to the cathode of the diode D6, one end of the resistor R8 is connected to the anode of the diode D5, the other end of the resistor R8 is connected to the cathode of the diode D5 through a capacitor C6, two ends of a secondary coil L1 of the transformer T1 are connected to the anode of the diode D5 and the anode of the diode D6, the anode of the diode D6 is connected to the drain of the MOS transistor Q6, the anode of the diode D6 is further connected to the 5-pin of the control chip IC 6 through a resistor R6, the 5-pin of the control chip IC 6 is connected to the cathode of the constant current source through a capacitor C6, one end of the secondary coil L6 of the transformer T6 is connected to the anode of the diode D6, the other end of the diode D6 is connected to the cathode of the constant current source, the anode of the diode D6 is connected to the common connection point of the control chip 6 through a resistor R6, and the cathode of, one end of a secondary coil L3 of the transformer T1 is connected to the anode of the diode D7, the cathode of the diode D7 is used as the output end of the power module, the cathode of the diode D7 is connected in parallel with the other end of the secondary coil L3 through the capacitor C9 and the resistor R10, one end of the resistor R9 is connected to the anode of the diode D7, the other end of the resistor R9 is connected to the cathode of the diode D7 through the capacitor C8, and the 8 pins of the control circuit IC2 are connected to the common connection point between the secondary coil L3 and the capacitor C9 of the transformer.
In this embodiment, the display module includes a gate switch SW1, a digital display tube, a control chip IC3, a transistor Q1, a transistor Q2, a transistor Q3, and a transistor Q4;
the gate switch SW1 is a SW-DI IP8 switch and has 8 paths of outputs, the pin 16 of the gate switch SW1 is connected with the output end of the power supply module, the 8 paths of outputs of the gate switch SW1 are respectively connected with 8 input ends of the digital display tube, and the pin 13 of the gate switch SW1 is connected with the pin 5 of the control circuit IC 2; a pin 1 of the control chip IC3 is connected to the negative electrode of the constant current source, a pin 7 of the control chip IC3 is connected to the positive electrode of the constant current source, a pin 5 of the control chip IC3 is connected to the base electrode of the triode Q4 through a resistor R18, a pin 2 of the control chip IC3 is connected to the base electrode of the triode Q3 through a resistor R19, a pin 3 of the control chip IC3 is connected to the base electrode of the triode Q2 through a resistor R20, a pin 8 of the control chip IC3 is connected to the base electrode of the triode Q1 through a resistor R21, and a pin 6 of the control chip IC3 is connected to a pin 5 of the control circuit IC 89; the collector electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are all connected with a power VCC, and the emitter electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are respectively connected with the control input ends K1, K2, K3 and K4 of the digital display tube, so that the reliable display of the display module can be ensured through the structure, a user can know the current color temperature and brightness state, and accurate control is facilitated, wherein the control chip IC3 adopts the existing chip, when the control circuit IC2 receives a control signal to change the color temperature and/or the brightness, the control circuit IC2 outputs a corresponding control signal to drive the triode Q6, the triode Q7, the triode Q8 and the triode Q9 to be turned on or turned off, thereby realizing the change of the color temperature and/or the brightness, and simultaneously, the 5 pin of the control circuit IC2 outputs a trigger control signal to a 13 pin of the gating switch 1 and a 6 pin of the control chip IC3, thereby controlling the gate switch SW1 to work, and controlling the on/off of the triode Q1, the triode Q2, the triode Q3 and the triode Q4, and further enabling the nixie tube to display the current color temperature and brightness.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (2)
1. The utility model provides an adjustable LED illumination intelligence control system of aircraft polychrome temperature luminance which characterized in that: the LED lamp set control circuit comprises a constant current source, two groups of LED lamp sets with different color temperatures, an LED lamp set control circuit, a power circuit and a display module;
the constant current source is an adjustable constant current source; the input end of the constant current source is connected with a mains supply, the positive output end of the constant current source is respectively connected with the power circuit and the anodes of the two groups of LED lamp sets, the negative electrode of the LED lamp set is connected with the negative output end of the constant current source through the LED lamp set control circuit, the control feedback end of the LED lamp set control circuit is connected with the command end of the constant current source, the control output end of the LED lamp set control circuit is connected with the control input end of the display module, and the output end of the power circuit is connected with the display module;
the LED lamp set control circuit comprises a control circuit IC2, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a triode Q6, a triode Q7, a triode Q8 and a triode Q9; the control circuit IC2 is used for changing color temperature and/or brightness according to the control signal;
the control circuit IC2 includes 8 pins; a pin 1 of the control circuit IC2 is a control signal input end, a pin 2 of the control circuit IC2 is connected with a base of the triode Q7 through a resistor R23, a pin 3 of the control circuit IC2 is connected with a base of the triode Q6 through a resistor R22, a pin 4 of the control circuit IC2 is connected with a base of the triode Q8 through a resistor R24, a pin 6 of the control circuit IC2 is connected with a positive output end of a constant current source, a pin 7 of the control circuit IC2 is connected with a base of the triode Q9 through a resistor R25, a pin 5 of the control circuit IC2 outputs a trigger control signal to the display module, and a pin 8 of the control circuit IC2 is connected with a power supply circuit;
a collector of the triode Q6 is connected with a negative electrode of the constant current source, an emitter of the triode Q6 is connected with a negative electrode of the second LED lamp set LED2, a collector of the triode Q7 is connected with a negative electrode of the constant current source, an emitter of the triode Q7 is connected with a negative electrode of the first LED lamp set LED1, collectors of the triode Q8 and the triode Q9 are connected with a first control end of the constant current source, an emitter of the triode Q8 is connected with a second control end of the constant current source through a resistor R26, and the triode Q9 is connected with the second control end of the constant current source through a resistor R27; when the triode Q8 or the triode Q9 is selected to be conducted or conducted simultaneously, the second control end is provided with a signal input, the constant current source adjusts the output according to the input signal and stabilizes the output value at the current value until the next adjusting instruction;
the power supply circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C8, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a diode D7, a MOS tube Q5, a transformer T1 and a control chip IC 1; wherein, the control chip IC1 is a W105 chip;
one end of the capacitor C1 is connected with the anode of a constant current source, the other end of the capacitor C1 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with the cathode of the constant current source, the common connection point of the capacitor C1 and the constant current source is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the cathode of the constant current source through the capacitor C3, the anode of the diode D2 is connected with the cathode of the diode D1, the cathode of the diode D2 is connected with the anode of the diode D3, one end of the resistor R1 is connected with the common connection point between the capacitor C1 and the cathode of the diode D3, the other group is connected with the cathode of the constant current source after being connected in parallel through the capacitor C2 and the capacitor C4, the common connection point of the resistor R1 and the capacitor C2 is connected with a pin 1 of the control chip IC1, a pin 3 of the control chip IC1 is connected with the gate of the MOS tube Q5 through a resistor, a 4 pin of the control chip IC1 is connected with the source electrode of the MOS tube Q5; the anode of the diode D5 is connected to the cathode of the diode D3, the cathode of the diode D5 is connected to the cathode of the diode D6, one end of the resistor R8 is connected to the anode of the diode D5, the other end of the resistor R8 is connected to the cathode of the diode D5 through a capacitor C6, two ends of a secondary coil L1 of the transformer T1 are connected to the anode of the diode D5 and the anode of the diode D6, the anode of the diode D6 is connected to the drain of the MOS transistor Q6, the anode of the diode D6 is further connected to the 5-pin of the control chip IC 6 through a resistor R6, the 5-pin of the control chip IC 6 is connected to the cathode of the constant current source through a capacitor C6, one end of the secondary coil L6 of the transformer T6 is connected to the anode of the diode D6, the other end of the diode D6 is connected to the cathode of the constant current source, the anode of the diode D6 is connected to the common connection point of the control chip 6 through a resistor R6, and the cathode of, one end of a secondary coil L3 of the transformer T1 is connected to the anode of a diode D7, the cathode of a diode D7 serves as the output end of the power circuit, the cathode of the diode D7 is connected in parallel with the other end of the secondary coil L3 through a capacitor C9 and a resistor R10, one end of the resistor R9 is connected to the anode of a diode D7, the other end of the resistor R9 is connected to the cathode of a diode D7 through a capacitor C8, and an 8-pin of a control circuit IC2 is connected to a common connection point between a secondary coil L3 of the transformer and the capacitor C9.
2. The intelligent control system for multicolor temperature and brightness adjustable LED illumination of the airplane as claimed in claim 1, wherein: the display module comprises a gate switch SW1, a digital display tube, a control chip IC3, a triode Q1, a triode Q2, a triode Q3 and a triode Q4;
the gate switch SW1 is a SW-DIIP8 switch and has 8 paths of outputs, the pin 16 of the gate switch SW1 is connected with the output end of the power circuit, the 8 paths of outputs of the gate switch SW1 are respectively connected with 8 input ends of the digital display tube, and the pin 13 of the gate switch SW1 is connected with the pin 5 of the control circuit IC 2; a pin 1 of the control chip IC3 is connected to the negative electrode of the constant current source, a pin 7 of the control chip IC3 is connected to the positive electrode of the constant current source, a pin 5 of the control chip IC3 is connected to the base electrode of the triode Q4 through a resistor R18, a pin 2 of the control chip IC3 is connected to the base electrode of the triode Q3 through a resistor R19, a pin 3 of the control chip IC3 is connected to the base electrode of the triode Q2 through a resistor R20, a pin 8 of the control chip IC3 is connected to the base electrode of the triode Q1 through a resistor R21, and a pin 6 of the control chip IC3 is connected to a pin 5 of the control circuit IC 89; the collector electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are all connected with a power VCC, and the emitter electrodes of the triode Q1, the triode Q2, the triode Q3 and the triode Q4 are respectively connected with the control input ends K1, K2, K3 and K4 of the digital display tube; when the control circuit IC2 receives a control signal that the color temperature and/or brightness needs to be changed, the 5 pin of the control circuit IC2 outputs a trigger control signal to the 13 pin of the gate switch SW1 and the 6 pin of the control chip IC3, so as to control the gate switch SW1 to work, and control the on/off of the transistor Q1, the transistor Q2, the transistor Q3, and the transistor Q4, so that the nixie tube displays the current color temperature and brightness.
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| CN201611200659.7A CN106507545B (en) | 2016-12-22 | 2016-12-22 | Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system |
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| CN201611200659.7A CN106507545B (en) | 2016-12-22 | 2016-12-22 | Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system |
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| CN206332882U (en) * | 2016-12-22 | 2017-07-14 | 重庆绿色科技开发（集团）有限公司 | Aircraft multi color temperature brightness adjustable LED illumination intelligence control system |
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| CN1758821A (en) * | 2004-10-04 | 2006-04-12 | 樊邦弘 | Lighting decoration lamp capable of controlling brightness and color temp. |
| CN201582601U (en) * | 2009-12-16 | 2010-09-15 | 浙江博上光电有限公司 | Color temperature adjustable LED spotlight |
| US8305008B2 (en) * | 2010-05-19 | 2012-11-06 | Chen-Sheng Yang | Constant-current controller for LED light string |
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| CN204785707U (en) * | 2015-07-06 | 2015-11-18 | 广州市亮艺照明设备有限公司 | Can simulate luminous LED lamps and lanterns of tungsten lamp |
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| CN106507545A (en) | 2017-03-15 |
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