CN218243889U - LED lamp mixing of colors dimming control system, controller and lighting device - Google Patents
LED lamp mixing of colors dimming control system, controller and lighting device Download PDFInfo
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- CN218243889U CN218243889U CN202222536516.0U CN202222536516U CN218243889U CN 218243889 U CN218243889 U CN 218243889U CN 202222536516 U CN202222536516 U CN 202222536516U CN 218243889 U CN218243889 U CN 218243889U
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Abstract
The utility model provides a LED lamp mixing of colors dimming control system, include: the LED lamp comprises a controller for dimming at 0-10V and adjusting color temperature at 0-10V, a dimming driving power supply at 0-10V, a color temperature adjusting driving power supply and an LED lamp bead string; the controller for dimming at 0-10V and adjusting color temperature at 0-10V comprises a dimming output interface at 0-10V and an adjusting color temperature output interface at 0-10V; the 0-10V dimming driving power supply comprises a 0-10V dimming input interface and a first load output interface; the color temperature adjusting driving power supply comprises a 0-10V color temperature adjusting input interface, a second load input interface, a third load output interface and a fourth load output interface; the 0-10V dimming output interface of the controller for dimming at 0-10V and the color temperature is connected with the 0-10V dimming input interface of the 0-10V dimming driving power supply; the 0-10V color temperature adjusting output interface of the controller for adjusting the light and the color temperature of 0-10V is connected with the 0-10V color temperature adjusting input interface of the color temperature adjusting driving power supply; and the load output interface of the 0-10V dimming driving power supply is connected with the load input interface of the color temperature dimming driving power supply.
Description
Technical Field
The utility model relates to a mixing of colors technical field that adjusts luminance specifically is a LED lamp mixing of colors dimming control system, controller and lighting device.
Background
The LED lamp has the advantages that the luminous efficiency is 2-3 times higher than that of an energy-saving fluorescent lamp and 8-10 times higher than that of an incandescent lamp, the service life is overlong, and the power is saved.
In order to realize the adjustment of the brightness and the color temperature together, a dimmer drive for outputting two paths of analog 0-10V signals appears on the market at present, wherein one path of 0-10V signal is used for dimming, the other path of 0-10V signal is used for adjusting the color temperature, the conventional dimming LED drive power supply only has 0-10V dimming input and does not have 0-10V color temperature input, and the replacement of the two drive power supplies causes the overstocked dimming LED drive power supply after the replacement, thereby causing the resource waste.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a LED lamp mixing of colors dimming control system, controller and lighting device has solved the conventional LED drive power supply of adjusting luminance that proposes in the above-mentioned background art and has only 0-10V input of adjusting luminance, does not have 0-10V mixing of colors temperature input, and two kinds of drive power supply replacement lead to the LED drive power supply overstock of adjusting luminance after the replacement, cause the problem of wasting of resources.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
an LED lamp mixing of colors dimming control system includes: the LED light source comprises a controller for dimming at 0-10V and adjusting color temperature at 0-10V, a dimming driving power supply at 0-10V, a color temperature adjusting driving power supply and an LED light bead string;
the controller for dimming at 0-10V and adjusting color temperature at 0-10V comprises a dimming output interface at 0-10V and an adjusting color temperature output interface at 0-10V;
the 0-10V dimming driving power supply comprises a 0-10V dimming input interface and a first load output interface;
the color temperature adjusting driving power supply comprises a 0-10V color temperature adjusting input interface, a second load input interface, a third load output interface and a fourth load output interface;
the 0-10V dimming output interface of the controller for dimming at 0-10V and dimming at 0-10V is connected with the 0-10V dimming input interface of the 0-10V dimming driving power supply;
the 0-10V color temperature adjusting output interface of the controller for adjusting the light at the 0-10V and adjusting the color temperature at the 0-10V is connected with the 0-10V color temperature adjusting input interface of the color temperature adjusting driving power supply;
and the load output interface of the 0-10V dimming driving power supply is connected with the load input interface of the color temperature dimming driving power supply.
Preferably, the LED lamp bead string comprises at least two LED lamp beads with different color temperatures.
Preferably, two groups of load output interfaces of the color temperature adjusting driving power supply are respectively connected with two groups of LED lamp bead strings with different color temperatures.
Preferably, the color temperature adjusting driving power supply comprises a first power supply circuit, a signal conversion circuit, a first isolation circuit, a first switch circuit, a second isolation circuit, a second switch circuit and a second power supply circuit;
the first power supply circuit is connected with a chip on the signal conversion circuit and provides working voltage for the chip, the signal conversion circuit is respectively connected with the 0-10V input signal, the first isolation circuit and the second isolation circuit, and outputs a group of complementary PWM signals to the first isolation circuit and the second isolation circuit after converting the 0-10V input signal into the PWM signals;
the first isolation circuit is connected with the first switch circuit, and the second isolation circuit is connected with the second switch circuit; the first isolation circuit and the second isolation circuit isolate the circuits between the front and the back, prevent electric shock risks and meet safety requirements, simultaneously output a group of complementary PWM signals to the first switch circuit and the second switch circuit to control color temperature adjustment of LED loads with two different color temperatures, and the second power supply circuit is connected with the first switch circuit and the second switch circuit respectively to provide conduction voltage for the first switch circuit and the second switch circuit.
Preferably, the signal conversion circuit includes a resistor R1, a transient diode TVS1, capacitors C1, C2, and C3, and a signal conversion chip U1, one path of a 0-10V input signal is respectively connected to one end of the resistor R1 and a negative electrode of the transient diode TVS1, the other path is grounded, the other end of the resistor R1 is respectively connected to one end of the capacitor C1 and a pin 3 VIN of the signal conversion chip U1, an anode of the transient diode TVS1 is grounded, the other end of the capacitor C1 is grounded, one end of the capacitor C2 is respectively connected to a pin 4 VCC of the signal conversion chip U1 and a positive input end of the first power supply circuit, and the other end of the capacitor C2 is grounded;
pins 1 and 2 of the signal conversion chip U1 are suspended, pins 5 are grounded, pins 6 and 7 are respectively connected with the input ends of the second isolation circuit and the first isolation circuit, and pin 8 is grounded through a capacitor C3.
Preferably, the first isolation circuit and the second isolation circuit adopt photocouplers.
Preferably, the first switch circuit comprises a resistor R5, a resistor R6 and an MOS tube Q1, one end of the resistor R5 is respectively connected with one end of the resistor R6 and the output pin 3 of the optocoupler U2, the other end of the resistor R5 is connected with a gate pole of the MOS tube Q1, a drain electrode of the MOS tube Q1 is connected with a negative electrode of the cold-color warm lamp bead, and a source electrode of the MOS tube Q1 and the other end of the resistor R6 are connected with a load ground;
the second switch circuit includes resistance R7, resistance R8 and MOS pipe Q2, and resistance R7's one end is connected with resistance R8's one end and 3 feet of output of opto-coupler U3 respectively, and resistance R7's the other end is connected with MOS pipe Q2's gate pole, and MOS pipe Q2's drain electrode is connected with the negative pole of warm look temperature lamp pearl, and MOS pipe Q2's source electrode and resistance R8's another termination load ground.
Preferably, the second power supply circuit comprises a resistor R4, a capacitor C4 and a voltage stabilizing diode DW1, one end of the resistor R4 is connected with the anode of the LED load, the other end of the resistor R4 is respectively connected with the cathode of the voltage stabilizing diode DW1, one end of the capacitor C4, the pin 4 of the output of the optocoupler U2 and the pin 4 of the output of the optocoupler U3, and the other end of the capacitor C4 and the anode of the voltage stabilizing diode DW1 are connected to the load ground.
The utility model also provides a LED lamp mixing of colors dimming control ware, based on as before any a LED lamp mixing of colors dimming control system.
The utility model also provides a lighting device, include: LED lamp pearl and LED lamp mixing of colors light control ware as before.
(III) advantageous effects
The utility model provides a LED lamp mixing of colors dimming control system, controller and lighting device. The method has the following beneficial effects:
the utility model relates to a LED lamp mixing of colors dimming control system, controller and lighting device adjusts luminance drive power supply and colour temperature through setting up alone, when needs adjust luminance mixing of colors, can install this control system and adjust on lamps and lanterns, when needs are replaced, only need adjust the colour temperature drive power supply and install on former 0-10V drive power supply that adjusts luminance, can not make original 0-10V drive power supply that adjusts luminance replaced to reduce the wasting of resources.
Drawings
Fig. 1 is a block diagram of a color and light adjusting control system for an LED lamp according to the present invention;
fig. 2 is a circuit block diagram of a color temperature adjusting driving power supply of a color temperature adjusting and dimming control system for an LED lamp provided by the present invention;
fig. 3 is the utility model provides a pair of LED lamp mixing of colors dimming control system's colour temperature regulation drive power supply circuit diagram.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in FIG. 1, an LED lamp color-adjusting and dimming control system comprises a controller for dimming at 0-10V and adjusting color temperature at 0-10V, a dimming driving power supply at 0-10V, a color temperature adjusting driving power supply and an LED lamp bead string;
the controller for dimming at 0-10V and adjusting color temperature at 0-10V comprises a dimming output interface at 0-10V and an adjusting color temperature output interface at 0-10V;
the 0-10V dimming driving power supply comprises a 0-10V dimming input interface and a first load output interface;
the color temperature adjusting driving power supply comprises a 0-10V color temperature adjusting input interface, a second load input interface, a third load output interface and a fourth load output interface;
the 0-10V dimming output interface of the controller for dimming at 0-10V and dimming at 0-10V is connected with the 0-10V dimming input interface of the 0-10V dimming driving power supply;
the 0-10V color temperature adjusting output interface of the controller for adjusting the light at the 0-10V and adjusting the color temperature at the 0-10V is connected with the 0-10V color temperature adjusting input interface of the color temperature adjusting driving power supply;
and the load output interface of the 0-10V dimming driving power supply is connected with the load input interface of the color temperature dimming driving power supply.
Preferably, the LED lamp bead string contains at least two LED lamp beads with different color temperatures, and color temperature adjustment can be performed.
Preferably, two groups of load output interfaces of the color temperature adjusting driving power supply are respectively connected with two groups of LED lamp bead strings with different color temperatures.
The color temperature adjusting driving power supply converts the received 0-10V color temperature adjusting signals into a group of complementary PWM signals, and the complementary PWM signals determine the total current proportion of two groups of lamp beads with different color temperatures;
when the LED lamp is installed, a load output interface of the dimming driving power supply of 0-10V is connected with a load input interface of the color temperature adjusting driving power supply;
two groups of load output interfaces of the color temperature adjusting driving power supply are respectively connected with two groups of LED lamp bead strings with different color temperatures.
As shown in fig. 2, preferably, the color temperature adjusting driving power supply includes a first power supply circuit, a signal conversion circuit, a first isolation circuit, a first switch circuit, a second isolation circuit, a second switch circuit and a second power supply circuit;
the first power supply circuit is connected with a chip on the signal conversion circuit and provides working voltage for the chip, the signal conversion circuit is respectively connected with the 0-10V input signal, the first isolation circuit and the second isolation circuit, and outputs a group of complementary PWM signals to the first isolation circuit and the second isolation circuit after converting the 0-10V input signal into the PWM signals; the first isolation circuit is connected with the first switch circuit, the second isolation circuit is connected with the second switch circuit, the first isolation circuit and the second isolation circuit isolate circuits between the front and the back, electric shock risks are prevented from being generated, the safety requirements are met, meanwhile, a group of complementary PWM signals are output to the first switch circuit and the second switch circuit and used for controlling color temperature adjustment of two LED loads with different color temperatures, and the second power supply circuit is connected with the first switch circuit and the second switch circuit respectively and provides conducting voltage for the first switch circuit and the second switch circuit.
The first power supply circuit can adopt a conventional AC-DC power supply;
the first isolation circuit is connected with the first switch circuit, and the second isolation circuit is connected with the second switch circuit; the first isolation circuit and the second isolation circuit isolate circuits between the front and the back, prevent electric shock risks and meet safety requirements, simultaneously output a group of complementary PWM signals to the first switch circuit and the second switch circuit to control color temperature adjustment of two LED loads with different color temperatures, and the second power supply circuit is connected with the first switch circuit and the second switch circuit respectively to provide conduction voltage for the first switch circuit and the second switch circuit.
As shown in fig. 3, preferably, the signal conversion circuit includes a resistor R1, a transient diode TVS1, capacitors C1, C2, and C3, and a signal conversion chip U1, one path of a 0-10V input signal is respectively connected to one end of the resistor R1 and a negative electrode of the transient diode TVS1, the other path is grounded, the other end of the resistor R1 is respectively connected to one end of the capacitor C1 and a 3-pin VIN of the signal conversion chip U1, an anode of the transient diode TVS1 is grounded, the other end of the capacitor C1 is grounded, one end of the capacitor C2 is respectively connected to a 4-pin VCC of the signal conversion chip U1 and a positive input end of the first power supply circuit, and the other end of the capacitor C2 is grounded;
preferably, the transient diode TVS1 provides a port transient overvoltage protection function, the resistor R1 and the capacitor C1 form an RC filter, the capacitor C2 is a decoupling capacitor and filters a chip, and the capacitor C3 filters an output voltage to obtain a stable output voltage;
the 0-10V input signal is input to a pin 3 of a signal conversion chip U1 after being limited by a transient diode TVS1 and filtered by an RC formed by a resistor R1 and a capacitor C1, and a group of complementary PWM signals are output to a first isolation circuit and a second isolation circuit after being processed inside the chip U1.
Pins 1 and 2 of the signal conversion chip U1 are suspended, pins 5 are grounded, pins 6 and 7 are respectively connected with the input ends of the second isolation circuit and the first isolation circuit, and pin 8 is grounded through a capacitor C3.
Preferably, the first isolation circuit and the second isolation circuit adopt photoelectric couplers, and the first isolation circuit and the second isolation circuit are arranged to prevent electric shock risks and meet safety requirements.
Preferably, the first switch circuit comprises a resistor R5, a resistor R6 and an MOS tube Q1, wherein one end of the resistor R5 is respectively connected with one end of the resistor R6 and the output 3 pin of the optocoupler U2, the other end of the resistor R5 is connected with the gate pole of the MOS tube Q1, the drain electrode of the MOS tube Q1 is connected with the negative electrode of the cold-color temperature lamp bead, and the source electrode of the MOS tube Q1 and the other end of the resistor R6 are connected with a load ground;
the second switch circuit comprises a resistor R7, a resistor R8 and an MOS tube Q2, one end of the resistor R7 is connected with one end of the resistor R8 and the output 3 pins of the optocoupler U3 respectively, the other end of the resistor R7 is connected with the gate pole of the MOS tube Q2, the drain electrode of the MOS tube Q2 is connected with the negative electrode of the warm color temperature lamp bead, and the source electrode of the MOS tube Q2 is connected with the other end of the resistor R8 to be connected with a load ground.
Preferably, the first switch circuit and the second switch circuit output a set of complementary PWM signals to mix colors of two LED lamp beads with different color temperatures, for example, when the first switch circuit outputs a PWM signal with a duty ratio of 10%, the second switch circuit outputs a PWM signal with a duty ratio of 90%, a color temperature is obtained at this time, when the first switch circuit outputs a PWM signal with a duty ratio of 20%, the second switch circuit outputs a PWM signal with a duty ratio of 80%, a second color temperature is obtained at this time, and so on.
Preferably, the second power supply circuit comprises a resistor R4, a capacitor C4 and a voltage stabilizing diode DW1, one end of the resistor R4 is connected with the anode of the LED load, the other end of the resistor R4 is respectively connected with the cathode of the voltage stabilizing diode DW1, one end of the capacitor C4, the pin 4 of the output of the optocoupler U2 and the pin 4 of the output of the optocoupler U3, and the other end of the capacitor C4 and the anode of the voltage stabilizing diode DW1 are connected to a load ground.
Preferably, the second power supply circuit provides a turn-on voltage for the MOS transistors Q1 and Q2 when the optocoupler is turned on, so that the MOS transistors Q1 and Q2 work to adjust the color temperature of the LED loads with two color temperatures.
The utility model also provides a LED lamp mixing of colors dimming control ware, based on as before any a LED lamp mixing of colors dimming control system.
The utility model also provides a lighting device, include LED lamp pearl and as before the LED lamp mix colours and dim light controller.
The working principle is as follows: when a 0-10V signal is input to a color temperature adjusting drive power supply, the 0-10V signal outputs a group of complementary PWM signals to a first isolation circuit and a second isolation circuit after passing through a signal conversion chip U1, wherein the high level duty ratio output by a 6-pin PWM1 is approximately linearly increased along with the increase of an input 0-10V color temperature adjusting signal, a 7-pin PWM2 is the reverse signal output of the PWM1, when a high level is input to the first isolation circuit, the first isolation circuit is conducted, so that the first switch circuit is conducted, a cold color temperature load is lightened, and when a low level is input to the first isolation circuit, the second isolation circuit is not conducted, so that a warm color temperature load is lightened;
through independently setting the dimming driving power supply and the color temperature adjusting driving power supply, when dimming and color mixing are needed, the control system can be installed on a lamp for adjustment, when replacement is needed, the color temperature adjusting driving power supply is only needed to be installed on the original 0-10V dimming driving power supply, the original 0-10V dimming driving power supply cannot be replaced, and therefore resource waste is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a LED lamp mixing of colors dimming control system which characterized in that includes:
the LED lamp comprises a controller for dimming at 0-10V and adjusting color temperature at 0-10V, a dimming driving power supply at 0-10V, a color temperature adjusting driving power supply and an LED lamp bead string;
the controller for dimming at 0-10V and adjusting color temperature at 0-10V comprises a dimming output interface at 0-10V and a color temperature output interface at 0-10V;
the 0-10V dimming driving power supply comprises a 0-10V dimming input interface and a first load output interface;
the color temperature adjusting driving power supply comprises a 0-10V color temperature adjusting input interface, a second load input interface, a third load output interface and a fourth load output interface;
the 0-10V dimming output interface of the controller for dimming at 0-10V and the color temperature is connected with the 0-10V dimming input interface of the 0-10V dimming driving power supply;
the 0-10V color temperature adjusting output interface of the controller for adjusting the light and the color temperature of 0-10V is connected with the 0-10V color temperature adjusting input interface of the color temperature adjusting driving power supply;
and the load output interface of the 0-10V dimming driving power supply is connected with the load input interface of the color temperature dimming driving power supply.
2. The LED lamp color-adjusting and dimming control system according to claim 1, wherein the LED lamp bead string comprises at least two LED lamp beads with different color temperatures.
3. The LED lamp color-adjusting and dimming control system according to claim 2, characterized in that: and the two groups of load output interfaces of the color temperature adjusting driving power supply are respectively connected with two groups of LED lamp bead strings with different color temperatures.
4. The LED lamp color-adjusting and dimming control system according to claim 3, wherein: the color temperature adjusting driving power supply comprises a first power supply circuit, a signal conversion circuit, a first isolation circuit, a first switch circuit, a second isolation circuit, a second switch circuit and a second power supply circuit;
the first power supply circuit is connected with a chip on the signal conversion circuit and provides working voltage for the chip, the signal conversion circuit is respectively connected with the 0-10V input signal, the first isolation circuit and the second isolation circuit, and outputs a group of complementary PWM signals to the first isolation circuit and the second isolation circuit after converting the 0-10V input signal into the PWM signals;
the first isolation circuit is connected with the first switch circuit, and the second isolation circuit is connected with the second switch circuit; the first isolation circuit and the second isolation circuit isolate circuits between the front and the back, prevent electric shock risks and meet safety requirements, simultaneously output a group of complementary PWM signals to the first switch circuit and the second switch circuit to control color temperature adjustment of two LED loads with different color temperatures, and the second power supply circuit is connected with the first switch circuit and the second switch circuit respectively to provide conduction voltage for the first switch circuit and the second switch circuit.
5. The LED lamp color-adjusting and dimming control system according to claim 4, wherein: the signal conversion circuit comprises a resistor R1, a transient diode TVS1, capacitors C1, C2 and C3 and a signal conversion chip U1, wherein one path of a 0-10V input signal is respectively connected with one end of the resistor R1 and the negative electrode of the transient diode TVS1, the other path of the input signal is grounded, the other end of the resistor R1 is respectively connected with one end of the capacitor C1 and a pin 3 VIN of the signal conversion chip U1, the positive electrode of the transient diode TVS1 is grounded, the other end of the capacitor C1 is grounded, one end of the capacitor C2 is respectively connected with a pin 4 VCC of the signal conversion chip U1 and the positive input end of the first power supply circuit, and the other end of the capacitor C2 is grounded;
pins 1 and 2 of the signal conversion chip U1 are suspended, pins 5 are grounded, pins 6 and 7 are respectively connected with the input ends of the second isolation circuit and the first isolation circuit, and pin 8 is grounded through a capacitor C3.
6. The LED lamp color-adjusting and dimming control system according to claim 4, wherein: the first isolation circuit and the second isolation circuit adopt photoelectric couplers.
7. The LED lamp color-adjusting and dimming control system according to claim 4, wherein: the first switch circuit comprises a resistor R5, a resistor R6 and an MOS tube Q1, wherein one end of the resistor R5 is respectively connected with one end of the resistor R6 and an output 3 pin of the optocoupler U2, the other end of the resistor R5 is connected with a gate pole of the MOS tube Q1, a drain electrode of the MOS tube Q1 is connected with a negative electrode of the cold-color warm lamp bead, and a source electrode of the MOS tube Q1 and the other end of the resistor R6 are connected with a load ground;
the second switch circuit comprises a resistor R7, a resistor R8 and an MOS tube Q2, one end of the resistor R7 is connected with one end of the resistor R8 and the output 3 pins of the optocoupler U3 respectively, the other end of the resistor R7 is connected with the gate pole of the MOS tube Q2, the drain electrode of the MOS tube Q2 is connected with the negative electrode of the warm color temperature lamp bead, and the source electrode of the MOS tube Q2 is connected with the other end of the resistor R8 to be connected with a load ground.
8. The LED lamp color-adjusting and dimming control system according to claim 4, wherein: the second power supply circuit comprises a resistor R4, a capacitor C4 and a voltage stabilizing diode DW1, one end of the resistor R4 is connected with the anode of the LED load, the other end of the resistor R4 is respectively connected with the cathode of the voltage stabilizing diode DW1, one end of the capacitor C4, an output 4 pin of the optocoupler U2 and an output 4 pin of the optocoupler U3, and the other end of the capacitor C4 and the anode of the voltage stabilizing diode DW1 are connected with a load ground.
9. An LED lamp color-adjusting and dimming controller, characterized in that based on the LED lamp color-adjusting and dimming control system as claimed in any one of claims 1-8.
10. An illumination device, comprising: LED lamp pearl and LED lamp mixing of colors dimmer control ware as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222536516.0U CN218243889U (en) | 2022-09-21 | 2022-09-21 | LED lamp mixing of colors dimming control system, controller and lighting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222536516.0U CN218243889U (en) | 2022-09-21 | 2022-09-21 | LED lamp mixing of colors dimming control system, controller and lighting device |
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| CN218243889U true CN218243889U (en) | 2023-01-06 |
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| CN202222536516.0U Active CN218243889U (en) | 2022-09-21 | 2022-09-21 | LED lamp mixing of colors dimming control system, controller and lighting device |
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