CN219960874U - LED intelligent color temperature adjusting control circuit drive - Google Patents
LED intelligent color temperature adjusting control circuit drive Download PDFInfo
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- CN219960874U CN219960874U CN202321161573.3U CN202321161573U CN219960874U CN 219960874 U CN219960874 U CN 219960874U CN 202321161573 U CN202321161573 U CN 202321161573U CN 219960874 U CN219960874 U CN 219960874U
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Abstract
The utility model discloses an LED intelligent color temperature regulating control circuit driver, which comprises a circuit driver consisting of a master control circuit, a current circuit, a first dimming module circuit and a second dimming module circuit; the first signal end BPWM of the master control circuit is electrically connected with the current circuit, and the second signal end CPWM of the master control circuit is electrically connected with the first dimming module circuit and the second dimming module circuit respectively; the signal end of the current circuit is respectively and electrically connected with the first dimming module circuit and the second dimming module circuit, and the master control circuit is used for supplying the current circuit through the first signal end BPWM and controlling the output voltage value of the current circuit so as to realize the purpose of dimming; meanwhile, the master control circuit can supply the dimming module circuit I and the dimming module circuit II through the second signal end CPWM, so that the on-off of the dimming module circuit I and the dimming module circuit II is controlled, the color temperature control is further realized, the color temperature can not be changed along with the change of brightness, and the problems of color temperature drift and unstable flicker are solved.
Description
Technical Field
The utility model relates to the technical field of LEDs, in particular to an intelligent color temperature adjusting control circuit driver for an LED.
Background
Along with the continuous deepening of energy crisis, environmental protection and energy saving are not only healthy life modes advocated by governments, but also become a common life attitude of people. Along with the continuous improvement of the life quality of people, the use of people to light is more humanized and scientific, such as warm color light in winter and cool color light in summer, and people can correspondingly adjust according to favorite color temperature and brightness, so that a comfortable lighting environment is created.
At present, the conventional main scheme for driving the LED color temperature control circuit is composed of two paths of DC/DC control circuits and a wireless module, dimming is linear dimming, current given by a driving power supply and a dimmer are in linear relation, and the circuit debugging in terms of hardware is relatively simple in the mode, but the defects of the circuit debugging in terms of hardware are overcome. Such as: the warm color pulse width modulation and the cold color pulse width modulation need to be complementary PWM signals, so that the color temperature proportion can be limited by the complementary pulse width modulation resolution of the wireless module, and adverse phenomena of color temperature drift and flicker are easy to occur under the condition of low brightness and high brightness switching.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide an intelligent LED color temperature control circuit drive to solve the problem that the traditional LED color temperature control circuit drive scheme provided in the background art is easy to cause bad phenomena of LED color temperature drift and flicker.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the intelligent color temperature regulating control circuit driver for the LED comprises a circuit driver consisting of a master control circuit, a current circuit, a first dimming module circuit and a second dimming module circuit; the first signal end PWM of the master control circuit is electrically connected with the current circuit, and the second signal end CPWM of the master control circuit is electrically connected with the first dimming module circuit and the second dimming module circuit respectively;
the signal end of the current circuit is respectively and electrically connected with the first dimming module circuit and the second dimming module circuit, and the master control circuit is used for dimming by controlling the output current of the current circuit and the on-off of the first dimming module circuit and the second dimming module circuit.
As a preferred scheme of the LED intelligent color temperature control circuit driving, the first dimming module circuit comprises a first Light Emitting Diode (LED) and a first NMOS tube, one end of the first Light Emitting Diode (LED) is connected with a current circuit, and the other end of the first Light Emitting Diode (LED) is connected with a drain of the first NMOS tube.
As a preferred scheme of the LED intelligent color temperature regulation control circuit, the dimming module circuit II comprises a light emitting diode LED II and a PMOS tube II, one end of the light emitting diode LED II is connected with the current circuit, and the other end of the light emitting diode LED II is connected with a drain of the PMOS tube II.
As a preferred scheme of the LED intelligent color temperature control circuit, the first LED is a cold light color LED, and the second LED is a warm light color LED.
As a preferred scheme of the LED intelligent color temperature regulation control circuit driving, the current circuit comprises a first current circuit and a second current circuit;
the input end of the first current circuit is connected with external alternating current, and the output end of the first current circuit is connected with the second current circuit; and the second current circuit performs current limiting and voltage reduction on the direct current voltage transmitted by the first current circuit through the DC/DC circuit, and converts the direct current voltage into a variable direct current voltage.
As a preferred scheme of the LED intelligent color temperature regulation control circuit driving, the LED intelligent color temperature regulation control circuit driving device further comprises other circuits to be selected, wherein the other circuits to be selected comprise a first switch connected with a first signal end PWM of the master control circuit and a second switch connected between a second signal end CPWM and a second dimming module circuit; the other end of the first switch is grounded through a resistor.
Compared with the prior art, the utility model has the beneficial effects that: the LED intelligent color temperature control circuit drive has the characteristics of clear circuit, reasonable control and strong practicability, and when in use, the master control circuit supplies a current circuit through the first signal end BPWM and controls the output voltage value of the current circuit, so that the purpose of dimming is realized; meanwhile, the master control circuit can supply the dimming module circuit I and the dimming module circuit II through the second signal end CPWM, so that the on-off of the dimming module circuit I and the dimming module circuit II is controlled, the color temperature control is further realized, the color temperature can not be changed along with the change of brightness, and the problems of color temperature drift and unstable flicker are solved.
Drawings
FIG. 1 is a schematic circuit flow diagram of the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the whole structure of an LED intelligent color temperature control circuit driver according to the present utility model, referring to fig. 1, the LED intelligent color temperature control circuit driver of the present embodiment includes a circuit driver composed of a master control circuit 10, a current circuit 20, a dimming module circuit one 30 and a dimming module circuit two 40; the first signal end BPWM of the master control circuit 10 is electrically connected with the current circuit 20, and the second signal end CPWM of the master control circuit 10 is electrically connected with the first dimming module circuit 30 and the second dimming module circuit 40 respectively; the signal end of the current circuit 20 is electrically connected with the first dimming module circuit 30 and the second dimming module circuit 40 respectively, and the master control circuit 10 performs dimming by controlling the current output by the current circuit 20 and the on-off of the first dimming module circuit 30 and the second dimming module circuit 40.
The dimming module circuit I30 comprises a light emitting diode LED I and an NMOS tube I, wherein one end of the light emitting diode LED I is connected with the current circuit 20, and the other end of the light emitting diode LED I is connected with a drain electrode of the NMOS tube I; the second dimming module circuit 40 comprises a second light emitting diode LED and a second PMOS tube, one end of the second light emitting diode LED is connected with the current circuit 20, and the other end of the second light emitting diode LED is connected with a drain electrode of the second PMOS tube; in the present embodiment, when in use, the master control circuit 10 supplies the current circuit 20 through the first signal end BPWM and controls the output voltage value thereof, thereby achieving the purpose of dimming; meanwhile, the master control circuit 10 can supply the first dimming module circuit 30 and the second dimming module circuit 40 through the second signal end CPWM, so that the first dimming module circuit 30 and the second dimming module circuit 40 are controlled to be on-off, and further color temperature control is realized, so that the color temperature can not be changed along with the change of brightness, and the problems of color temperature drift and unstable flicker are solved.
Further, the current circuit 20 includes a first current circuit 20a and a second current circuit 20b; the input end of the first current circuit 20a is connected with external alternating current, and the output end of the first current circuit is connected with the second current circuit 20b; the second current circuit 20b performs current limiting and voltage reduction on the direct current voltage transmitted by the first current circuit 20a through the DC/DC circuit, and converts the direct current voltage into a variable direct current voltage; the circuit further comprises other circuits 50 to be selected, wherein the other circuits 50 to be selected comprise a first switch connected with a first signal end BPWM of the master control circuit 10 and a second switch connected between a second signal end CPWM and a second dimming module circuit 40; the other end of the first switch is grounded through a resistor, in this embodiment, the first dimming module circuit 30 and the second dimming module circuit 40 share the positive power supply output by the current circuit 20, so that the circuit is used for dimming and toning LED light sources with the positive pole and the negative pole separated from the common anode independently, in addition, other circuits 50 to be selected can also perform dimming and toning switching only through the first switch and the second switch in an interactive manner and through other circuits 50 to be selected and programs, thereby realizing various control modes, and further improving the practicability.
In summary, the LED intelligent color temperature adjusting control circuit of the present embodiment is driven, and when in use, the master control circuit 10 supplies the current circuit 20 through the first signal terminal BPWM and controls the output voltage value thereof, thereby achieving the purpose of dimming; meanwhile, the master control circuit 10 can supply the first dimming module circuit 30 and the second dimming module circuit 40 through the second signal end CPWM, so that the first dimming module circuit 30 and the second dimming module circuit 40 are controlled to be on-off, and further color temperature control is realized, so that the color temperature can not be changed along with the change of brightness, and the problems of color temperature drift and unstable flicker are solved.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The intelligent color temperature regulating control circuit driver for the LED is characterized by comprising a circuit driver consisting of a main control circuit (10), a current circuit (20), a first dimming module circuit (30) and a second dimming module circuit (40); the first signal end BPWM of the master control circuit (10) is electrically connected with the current circuit (20), and the second signal end CPWM of the master control circuit (10) is electrically connected with the first dimming module circuit (30) and the second dimming module circuit (40) respectively;
the signal end of the current circuit (20) is electrically connected with the first dimming module circuit (30) and the second dimming module circuit (40) respectively, and the master control circuit (10) performs dimming by controlling the current output by the current circuit (20) and the on-off of the first dimming module circuit (30) and the second dimming module circuit (40).
2. The LED intelligent color temperature control circuit driver of claim 1, wherein: the dimming module circuit I (30) comprises a light emitting diode (LED I) and an NMOS tube I, one end of the light emitting diode (LED I) is connected with the current circuit (20), and the other end of the light emitting diode (LED I) is connected with a drain of the NMOS tube I.
3. The LED intelligent color temperature control circuit driver of claim 1, wherein: the second dimming module circuit (40) comprises a second Light Emitting Diode (LED) and a second P-channel metal oxide semiconductor (PMOS) tube, one end of the second Light Emitting Diode (LED) is connected with the current circuit (20), and the other end of the second Light Emitting Diode (LED) is connected with the drain of the second P-channel metal oxide semiconductor (PMOS) tube.
4. The LED intelligent color temperature control circuit driver of claim 2, wherein: the first light emitting diode LED is a cold light color LED, and the second light emitting diode LED is a warm light color LED.
5. The LED intelligent color temperature control circuit driver of claim 1, wherein: the current circuit (20) comprises a first current circuit (20 a) and a second current circuit (20 b);
the input end of the first current circuit (20 a) is connected with external alternating current, and the output end of the first current circuit is connected with the second current circuit (20 b); the second current circuit (20 b) performs current limiting and voltage reduction on the direct current voltage transmitted by the first current circuit (20 a) through the DC/DC circuit, and converts the direct current voltage into a variable direct current voltage.
6. The LED intelligent color temperature control circuit driver of claim 1, wherein: the circuit also comprises other circuits to be selected (50), wherein the other circuits to be selected (50) comprise a first switch connected with a first signal end BPWM of the master control circuit (10) and a second switch connected between a second signal end CPWM and a second dimming module circuit (40); the other end of the first switch is grounded through a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321161573.3U CN219960874U (en) | 2023-05-15 | 2023-05-15 | LED intelligent color temperature adjusting control circuit drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321161573.3U CN219960874U (en) | 2023-05-15 | 2023-05-15 | LED intelligent color temperature adjusting control circuit drive |
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| Publication Number | Publication Date |
|---|---|
| CN219960874U true CN219960874U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321161573.3U Active CN219960874U (en) | 2023-05-15 | 2023-05-15 | LED intelligent color temperature adjusting control circuit drive |
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| Country | Link |
|---|---|
| CN (1) | CN219960874U (en) |
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2023
- 2023-05-15 CN CN202321161573.3U patent/CN219960874U/en active Active
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