CN221227777U - Two-wire three-wire general LED intelligent power supply - Google Patents
Two-wire three-wire general LED intelligent power supply Download PDFInfo
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- CN221227777U CN221227777U CN202322547515.0U CN202322547515U CN221227777U CN 221227777 U CN221227777 U CN 221227777U CN 202322547515 U CN202322547515 U CN 202322547515U CN 221227777 U CN221227777 U CN 221227777U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000005669 field effect Effects 0.000 claims description 42
- 238000004891 communication Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 9
- 229910002601 GaN Inorganic materials 0.000 abstract description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a two-wire three-wire universal LED intelligent power supply which comprises an AD-DC power supply circuit, an intelligent dimming control circuit and a two-wire intelligent driving circuit, wherein the AD-DC power supply circuit is used for supplying power to the intelligent dimming control circuit and the two-wire intelligent driving circuit, and the AD-DC power supply circuit is also connected with a third output port. The two-three-wire intelligent driving circuit comprises a PWM conversion circuit, a driving voltage conversion circuit and a bridge driving circuit, wherein the output end of the bridge driving circuit is respectively connected with the first output port and the third output port, and the bridge driving circuit can meet the use requirements of the two-wire and the three-wire simultaneously, so that the universality of the power supply equipment is improved. The main body of the intelligent power supply adopts a gallium nitride power device to realize the aims of high efficiency and low energy consumption. Meanwhile, the main body of the intelligent power supply has overvoltage protection and overcurrent protection functions so as to ensure the safe operation of power supply equipment.
Description
Technical Field
The utility model relates to the field of lamps, in particular to a two-wire three-wire universal LED intelligent power supply.
Background
Most common Led dimming power supplies are provided with 0-10V power supplies or PWM or resistor dimming interface power supplies, and an external dimming device is needed to realize dimming; or the simple light changes are realized by a switch sectional dimming mode; in the color mixing application, most of the wiring modes of the LED dimming power supply and the light source are a three-wire bicolor connection method adopting a common positive mode, the positive electrode of the light source, the 1 negative electrode of the chromatic light and the 2 negative electrode of the chromatic light are required to be strictly distinguished, and the universality is poor, so that the two-wire and three-wire universal LED intelligent power supply compatible with two-wire dimming color mixing, three-wire dimming color mixing, switch sectional dimming, remote controller dimming and mobile phone APP dimming is required.
Disclosure of utility model
The utility model mainly aims to provide a two-wire and three-wire universal LED intelligent power supply compatible with two-wire dimming and three-wire dimming and color mixing, switch sectional dimming, remote controller dimming and mobile phone APP dimming.
The utility model provides a two-wire three-wire universal LED intelligent power supply, which comprises an AD-DC power supply circuit, an intelligent dimming control circuit and a two-wire intelligent driving circuit, wherein the AD-DC power supply circuit is used for supplying power to the intelligent dimming control circuit and the two-wire intelligent driving circuit, and the AD-DC power supply circuit is also connected with a third output port;
The intelligent driving circuit comprises a PWM conversion circuit, a driving voltage conversion circuit and a bridge driving circuit, wherein the input end of the PWM conversion circuit is connected with the output end of the intelligent dimming control circuit, two paths of PWM signals of brightness and color temperature input by the intelligent dimming control circuit are converted into two paths of PWM control signals through the PWM conversion circuit, the output end of the PWM conversion circuit is connected with the input end of the driving voltage conversion circuit, and the two paths of PWM control signals of low voltage are converted into two paths of grid driving signals of high voltage through the driving voltage conversion circuit; the output end of the driving voltage conversion circuit is connected with the input end of the bridge driving circuit;
The bridge driving circuit comprises field effect transistors Q1, Q2, Q3 and Q4, wherein the field effect transistors Q1 and Q2 and the field effect transistors Q3 and Q4 respectively form a first field effect tube group and a second field effect tube group, two output ends of the driving voltage conversion circuit are respectively connected with grid electrodes of the field effect transistors Q1, Q2, Q3 and Q4 of the first field effect tube group and the second field effect tube group, source electrodes of the field effect transistors Q1 and Q3 are connected with a power supply end, source electrodes of the field effect transistors Q2 and Q4 are grounded, drain electrodes of the field effect transistors Q1 and drain electrodes of the field effect transistors Q2 are connected with a first output port, and drain electrodes of the field effect transistors Q3 and the drain electrodes of the field effect transistors Q4 are connected with a second output port;
The two-wire LED light source is respectively connected with the first output port and the second output port, so that the design purpose of two-wire dimming and color mixing can be achieved, and the three-wire LED light source is respectively connected with the first output port, the second output port and the third output port, so that the design purpose of three-wire dimming and color mixing can be achieved.
Preferably, the intelligent dimming control circuit comprises a wireless communication module and a brightness color temperature PWM output circuit, wherein the wireless communication module is connected with the brightness color temperature PWM output circuit, receives external wireless signals through the wireless communication module and then outputs two paths of PWM signals of brightness and color temperature through the brightness color temperature PWM output circuit.
Preferably, the device further comprises a switch segment detection circuit, wherein the switch segment detection circuit is connected with the brightness color temperature PWM output circuit, and the switch can output two paths of PWM signals of brightness and color temperature through the brightness color temperature PWM output circuit through the switch segment detection circuit.
Preferably, the wireless communication module can be a WIFI module, a bluetooth mesh module, and a ZigBee module.
The two-wire three-wire universal LED intelligent power supply has the beneficial effects that:
1. The main body of the intelligent power supply adopts a gallium nitride power device to realize the aims of high efficiency and low energy consumption. Meanwhile, the main body of the intelligent power supply has overvoltage protection and overcurrent protection functions so as to ensure the safe operation of power supply equipment.
2. The bridge type driving circuit can meet the use requirements of two wires and three wires simultaneously, and the universality of power supply equipment is improved.
3. Through set up wireless communication module in intelligent light modulation control circuit to can realize the remote monitoring and the control of power, improve power supply unit's management efficiency.
Drawings
FIG. 1 is a block diagram of a two-wire three-wire universal LED intelligent power supply of the present utility model;
FIG. 2 is a block diagram of the intelligent dimming control circuit of the two-wire three-wire universal LED intelligent power supply of the utility model;
FIG. 3 is a block diagram of a two-wire and three-wire intelligent driving circuit of the two-wire and three-wire universal LED intelligent power supply;
FIG. 4 is a circuit diagram of a bridge drive circuit of a two-wire three-wire universal LED intelligent power supply of the present utility model;
Reference numerals in the drawings: 1. the device comprises an AD-DC power supply circuit, 2, an intelligent dimming control circuit, 3, a two-three wire intelligent driving circuit, 4, a first output port, 5, a second output port, 6, a third output port, 21, a wireless communication module, 22, a switch segment detection circuit, 23, a brightness color temperature PWM output circuit, 31, a PWM conversion circuit, 32, a driving voltage conversion circuit, 33 and a bridge driving circuit.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, an embodiment of a two-wire three-wire universal LED intelligent power supply of the present utility model is presented:
The utility model provides a general LED intelligent power supply of two lines three-wire, includes AD-DC power supply circuit 1, intelligent light modulation control circuit 2 and two three-wire intelligent drive circuit 3, and through AD-DC power supply circuit 1 for intelligent light modulation control circuit 2 and two three-wire intelligent drive circuit 3 power supply, AD-DC power supply circuit 1 still is connected with third output port 6.
The intelligent dimming control circuit 2 includes a wireless communication module 21, a switch segment detection circuit 22, and a luminance color temperature PWM output circuit 23. The switch segment detection circuit 22 and the wireless communication module 21 are connected to the luminance color temperature PWM output circuit 23, respectively. The wireless communication module 21 outputs two paths of PWM signals of brightness and color temperature through the brightness color temperature PWM output circuit 23 after receiving the external wireless signal. The switch segment detection circuit 22 receives the signal through the switch and then outputs two PWM signals of luminance and color temperature through the luminance color temperature PWM output circuit 23. The wireless communication module 21 can be a WIFI module, a bluetooth mesh module, and a ZigBee module.
The two-three-wire intelligent driving circuit 3 includes a PWM conversion circuit 31, a driving voltage conversion circuit 32, and a bridge driving circuit 33. The input end of the PWM conversion circuit 31 is connected with the output end of the intelligent dimming control circuit 2, and two paths of PWM signals of brightness and color temperature input by the intelligent dimming control circuit 2 are converted into two paths of PWM control signals through the PWM conversion circuit 31. An output terminal of the PWM conversion circuit 31 is connected to an input terminal of the driving voltage conversion circuit 32, and the driving voltage conversion circuit 32 converts two low-voltage PWM control signals into two high-voltage gate drive signals. An output terminal of the driving voltage converting circuit 32 is connected to an input terminal of the bridge driving circuit 33.
The bridge driving circuit comprises field effect tubes Q1, Q2, Q3 and Q4, wherein the field effect tubes Q1 and Q2 and the field effect tubes Q3 and Q4 respectively form a first field effect tube group and a second field effect tube group, two output ends of the driving voltage conversion circuit are respectively connected with grid electrodes of the field effect tubes Q1, Q2, Q3 and Q4 of the first field effect tube group and the second field effect tube group, source electrodes of the field effect tubes Q1 and Q3 are connected with a power supply end, source electrodes of the field effect tubes Q2 and Q4 are grounded, drain electrodes of the field effect tubes Q1 and drain electrodes of the field effect tubes Q2 are connected with a first output port 4, and drain electrodes of the field effect tubes Q3 and the drain electrodes of the field effect tubes Q4 are connected with a second output port 5.
The two-wire LED light source is respectively connected with the first output port 4 and the second output port 5, so that the design purpose of two-wire dimming and color mixing can be achieved, and the three-wire LED light source is respectively connected with the first output port 4, the second output port 5 and the third output port 6, so that the design purpose of three-wire dimming and color mixing can be achieved.
The main body of the intelligent power supply adopts a gallium nitride power device to realize the aims of high efficiency and low energy consumption. Meanwhile, the main body of the intelligent power supply has overvoltage protection and overcurrent protection functions so as to ensure the safe operation of power supply equipment.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (4)
1. A two-wire three-wire universal LED intelligent power supply is characterized in that,
The intelligent dimming control circuit and the two-three-wire intelligent driving circuit are powered by the AD-DC power circuit, and the AD-DC power circuit is also connected with a third output port;
The intelligent driving circuit comprises a PWM conversion circuit, a driving voltage conversion circuit and a bridge driving circuit, wherein the input end of the PWM conversion circuit is connected with the output end of the intelligent dimming control circuit, two paths of PWM signals of brightness and color temperature input by the intelligent dimming control circuit are converted into two paths of PWM control signals through the PWM conversion circuit, the output end of the PWM conversion circuit is connected with the input end of the driving voltage conversion circuit, and the two paths of PWM control signals of low voltage are converted into two paths of grid driving signals of high voltage through the driving voltage conversion circuit; the output end of the driving voltage conversion circuit is connected with the input end of the bridge driving circuit;
The bridge driving circuit comprises field effect transistors Q1, Q2, Q3 and Q4, wherein the field effect transistors Q1 and Q2 and the field effect transistors Q3 and Q4 respectively form a first field effect tube group and a second field effect tube group, two output ends of the driving voltage conversion circuit are respectively connected with grid electrodes of the field effect transistors Q1, Q2, Q3 and Q4 of the first field effect tube group and the second field effect tube group, source electrodes of the field effect transistors Q1 and Q3 are connected with a power supply end, source electrodes of the field effect transistors Q2 and Q4 are grounded, drain electrodes of the field effect transistors Q1 and drain electrodes of the field effect transistors Q2 are connected with a first output port, and drain electrodes of the field effect transistors Q3 and the drain electrodes of the field effect transistors Q4 are connected with a second output port;
The two-wire LED light source is respectively connected with the first output port and the second output port, so that the design purpose of two-wire dimming and color mixing can be achieved, and the three-wire LED light source is respectively connected with the first output port, the second output port and the third output port, so that the design purpose of three-wire dimming and color mixing can be achieved.
2. The two-wire three-wire universal LED intelligent power supply according to claim 1, wherein the intelligent dimming control circuit comprises a wireless communication module and a luminance color temperature PWM output circuit, the wireless communication module is connected with the luminance color temperature PWM output circuit, and the wireless communication module receives external wireless signals and then outputs two paths of PWM signals of luminance and color temperature through the luminance color temperature PWM output circuit.
3. The two-wire three-wire universal LED intelligent power supply of claim 2, further comprising a switch segment detection circuit connected to said luminance color temperature PWM output circuit, the switch being capable of controlling said luminance color temperature PWM output circuit to output both luminance and color temperature PWM signals via said switch segment detection circuit.
4. The two-wire three-wire universal LED intelligent power supply according to claim 2 or 3, wherein the wireless communication module can be a WIFI module, a bluetooth mesh module, and a ZigBee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322547515.0U CN221227777U (en) | 2023-09-20 | 2023-09-20 | Two-wire three-wire general LED intelligent power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322547515.0U CN221227777U (en) | 2023-09-20 | 2023-09-20 | Two-wire three-wire general LED intelligent power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221227777U true CN221227777U (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322547515.0U Active CN221227777U (en) | 2023-09-20 | 2023-09-20 | Two-wire three-wire general LED intelligent power supply |
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| CN (1) | CN221227777U (en) |
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2023
- 2023-09-20 CN CN202322547515.0U patent/CN221227777U/en active Active
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