CN114466487A - Take LED intelligent light adjusting power and LED lamp system of NFC function - Google Patents
Take LED intelligent light adjusting power and LED lamp system of NFC function Download PDFInfo
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- CN114466487A CN114466487A CN202111678301.6A CN202111678301A CN114466487A CN 114466487 A CN114466487 A CN 114466487A CN 202111678301 A CN202111678301 A CN 202111678301A CN 114466487 A CN114466487 A CN 114466487A
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- 230000033228 biological regulation Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 10
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000000087 stabilizing effect Effects 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/345—Current stabilisation; Maintaining constant current
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides an LED intelligent dimming power supply with an NFC function and an LED lamp system, wherein the LED intelligent dimming power supply comprises a power supply circuit, a main control circuit, an LED adjusting output circuit and an NFC circuit, the power supply circuit supplies power to the main control circuit, the LED adjusting output circuit and the NFC circuit, and the LED adjusting output circuit and the NFC circuit are both electrically connected with the main control circuit; in the power-off state of the power supply circuit, the NFC circuit acquires and stores parameter setting information of an external NFC control terminal; and under the power-on state of the power supply circuit, the main control circuit reads the parameter setting information stored in the NFC circuit and controls the LED regulation output circuit to output the dimming signal according to the parameter setting information. The LED lamp system applies the LED intelligent dimming power supply. The LED intelligent dimming power supply can set the parameters of the LED power supply in a power-off state, so that the energy consumption is saved.
Description
Technical Field
The invention relates to the technical field of LED lamps, in particular to an LED intelligent dimming power supply with an NFC function, and an LED lamp system applying the LED intelligent dimming power supply.
Background
The LED light source has the advantages of energy conservation, environmental protection, light control, strong practicability, high stability, short response time, long service life and the like, and is widely applied to various illumination fields today advocating low-carbon life. The LED light source is a development trend of efficient green lighting, parameters of the LED light source comprise a color temperature parameter and a brightness parameter, after the LED light source leaves a factory in the prior art, the color temperature parameter and the brightness parameter are fixed and cannot be changed any more, but in an application end, the required color temperature and brightness are different, and the requirements for the parameters at different time can be changed, so that the LED light source with the fixed parameters cannot meet the requirements.
In order to solve the problems, the conventional LED intelligent power supply controls the LED lamp by setting the adjustable constant current source, but when the parameters of the lamp are adjusted, the parameters of the LED intelligent power supply output by the conventional constant current source can only be set in a power-on state of the LED intelligent power supply, and the parameters cannot be set in a power-off state.
Disclosure of Invention
The invention aims to provide an LED intelligent dimming power supply with an NFC function, which can set LED power supply parameters in a power-down state and save energy consumption.
The second purpose of the invention is to provide an LED lamp system which can set parameters of an LED power supply in a power-off state, thereby saving energy consumption.
In order to achieve the first purpose, the LED intelligent dimming power supply with the NFC function provided by the invention comprises a power supply circuit, a master control circuit, an LED adjustment output circuit and an NFC circuit, wherein the power supply circuit provides power to the master control circuit, the LED adjustment output circuit and the NFC circuit, and both the LED adjustment output circuit and the NFC circuit are electrically connected with the master control circuit; in the power-off state of the power supply circuit, the NFC circuit acquires and stores parameter setting information of an external NFC control terminal; and under the power-on state of the power supply circuit, the main control circuit reads the parameter setting information stored in the NFC circuit and controls the LED regulation output circuit to output the dimming signal according to the parameter setting information.
According to the scheme, the LED intelligent dimming power supply with the NFC function is provided with the NFC circuit, and the NFC circuit acquires and stores parameter setting information of an external NFC control terminal in a power-off state of the power supply circuit; under the power supply circuit power-on state, the main control circuit reads the parameter setting information stored by the NFC circuit, and controls the LED regulation output circuit to output the dimming signal according to the parameter setting information, so that the LED power supply parameter setting can be realized under the power-off state, a user can conveniently carry out the parameter setting, and meanwhile, when the power supply circuit is subjected to factory setting, the power supply circuit does not need to be powered on, and the energy consumption can be saved.
In a further scheme, the LED adjusting output circuit comprises a constant current chip, a power supply anode end, a power supply cathode end, an anode output terminal, a cathode output terminal, an energy storage capacitor, a diode, an inductor and a current detection resistor; the anode end of the power supply is electrically connected with the anode output terminal, and the cathode end of the power supply is grounded; the constant current chip is provided with a current detection terminal and an inductance grounding control terminal, an anode of the energy storage capacitor is electrically connected with a passage between a power supply anode end and an anode output terminal, a cathode of the energy storage capacitor is electrically connected with a cathode output terminal, a cathode of the diode is electrically connected with a passage between the power supply anode end and the anode output terminal, an anode of the diode is electrically connected with a first end of the inductance, the first end of the inductance is also electrically connected with the inductance grounding control terminal, a second end of the inductance and the current detection terminal are both electrically connected with a first end of the current detection resistor, a second end of the current detection resistor is electrically connected with the cathode output terminal, and the second end of the current detection resistor is also electrically connected with a cathode of the energy storage capacitor.
Therefore, the LED regulation output circuit detects the current of the output end through the current detection resistor, and controls the inductor to charge or discharge according to the current so as to regulate the current of the output end, thereby achieving the effect of stabilizing the voltage.
In a further scheme, the LED regulation output circuit further comprises a PWM regulation circuit, a control end of the PWM regulation circuit is electrically connected with the main control circuit, and an output end of the PWM regulation circuit is electrically connected with a current regulation terminal of the constant current chip.
Therefore, by arranging the PWM adjusting circuit, the main control circuit can adjust the output current through the PWM adjusting circuit.
In a further scheme, a first magnetic bead is connected in series between the anode of the diode and the first end of the inductor.
In a further scheme, a second magnetic bead is connected in series between the first end of the inductor and the inductor ground control terminal.
Therefore, the first magnetic bead is connected between the anode of the diode and the first end of the inductor in series, the second magnetic bead is connected between the first end of the inductor and the inductor grounding control terminal in series, the functions of filtering and suppressing EMI can be achieved, and the stability of the circuit is improved.
In a further scheme, the NFC circuit comprises an NFC chip and a coil, and the master control circuit and the coil are electrically connected with the NFC chip.
Therefore, the NFC circuit can be in NFC communication with external equipment by arranging the NFC chip and the coil, and parameter setting information is stored through the NFC chip.
In a further scheme, the power supply circuit comprises an alternating current input end, a rectifying circuit, a transformer and a direct current output end, wherein the alternating current input end is electrically connected with the rectifying circuit, and the rectifying circuit is electrically connected with the direct current output end through the transformer.
Therefore, the alternating current input end, the rectifying circuit, the transformer and the direct current output end are arranged, so that an alternating current power supply can be converted into a direct current power supply, and a power supply can be provided for a circuit of the LED intelligent dimming power supply.
In a further scheme, the power supply circuit is also provided with a feedback regulating circuit, the feedback regulating circuit comprises a power supply control chip and an N-type MOS (metal oxide semiconductor) tube, a feedback terminal of the power supply control chip is electrically connected with a first secondary side of the transformer, an output terminal of the power supply control chip is electrically connected with a grid electrode of the N-type MOS tube, a source electrode of the N-type MOS tube is grounded, a first end of a primary side of the transformer is electrically connected with the rectifying circuit, and a second end of the primary side of the transformer is electrically connected with a drain electrode of the N-type MOS tube; the power supply control chip acquires a voltage signal of the first secondary side, and sends a PWM control signal to the grid of the N-type MOS tube according to the voltage signal of the first secondary side.
Therefore, the feedback adjusting circuit is arranged, and the PWM control signal is sent to the grid electrode of the N-type MOS tube according to the voltage signal of the first secondary side of the transformer, so that the voltage of the primary side of the transformer can be adjusted, the stability of the output voltage of the direct-current output end is guaranteed, and the stability of constant-current control is further improved.
In order to achieve the second object, the LED lamp system provided by the invention includes an LED smart dimming power supply and an LED lamp, wherein the LED smart dimming power supply is electrically connected to the LED lamp, and the LED smart dimming power supply is applied to the LED smart dimming power supply.
Drawings
Fig. 1 is a schematic circuit block diagram of an embodiment of the NFC-enabled LED smart dimming power supply of the present invention.
Fig. 2 is a schematic circuit diagram of a power supply circuit in an embodiment of the LED smart dimming power supply with NFC functionality according to the present invention.
Fig. 3 is a schematic circuit diagram of an LED regulated output circuit in an embodiment of the LED smart dimming power supply with NFC functionality according to the present invention.
Fig. 4 is a schematic circuit diagram of an NFC circuit in an embodiment of the LED smart dimming power supply with an NFC function according to the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Take LED intelligent dimming power supply embodiment of NFC function:
as shown in fig. 1, in this embodiment, the LED intelligent dimming power supply with the NFC function includes a power supply circuit 1, a master control circuit 2, an LED adjustment output circuit 3, and an NFC circuit 4, where the power supply circuit 1 provides power for the master control circuit 2, the LED adjustment output circuit 3, and the NFC circuit 4, and both the LED adjustment output circuit 3 and the NFC circuit 4 are electrically connected to the master control circuit 2. Under the power-off state of the power supply circuit 1, the NFC circuit 4 acquires and stores parameter setting information of an external NFC control terminal, and under the power-on state of the power supply circuit 1, the main control circuit 2 reads the parameter setting information stored by the NFC circuit 4 and controls the LED regulation output circuit 3 to output dimming signals according to the parameter setting information. The external NFC control terminal comprises terminal equipment with an NFC function, such as a mobile phone and a tablet personal computer.
Referring to fig. 2, in the present embodiment, the power supply circuit 1 includes an ac input terminal 21, a rectifier circuit DB, a transformer T1, a dc output terminal 22, and a feedback regulation circuit 23, wherein the ac input terminal 21 is electrically connected to the rectifier circuit DB, and the rectifier circuit DB is electrically connected to the dc output terminal 22 through a transformer T1. The feedback regulation circuit 23 comprises a power supply control chip U1 and an N-type MOS transistor Q1, wherein a feedback terminal of the power supply control chip U1 is electrically connected to the first secondary side 24 of the transformer T1 through a terminal VK, an output terminal of the power supply control chip U1 is electrically connected to a gate of the N-type MOS transistor Q1, a source of the N-type MOS transistor Q1 is grounded, a first primary side end of the transformer T1 is electrically connected to the rectification circuit DB, and a second primary side end of the transformer T1 is electrically connected to a drain of the N-type MOS transistor Q1. The power control chip U1 obtains the voltage signal of the first secondary side 24, and the power control chip U1 sends a PWM control signal to the gate of the N-type MOS transistor Q1 according to the voltage signal of the first secondary side 24. The PWM control signal is sent to the gate of the N-type MOS transistor Q1 according to the voltage signal of the first secondary side 24 of the transformer T1, so that the voltage of the primary side of the transformer T1 can be adjusted, thereby ensuring the stability of the output voltage of the dc output terminal 22. Preferably, the power control chip U1 is an IW3627 model power control chip.
The LED adjusting output circuit 3 may be a constant current adjusting circuit or a constant voltage adjusting circuit, and in this embodiment, the LED adjusting output circuit 3 adopts a constant current adjusting circuit. Referring to fig. 3, the LED regulation output circuit 3 includes a constant current chip U2, a power supply anode terminal 31, a power supply cathode terminal 32, an anode output terminal LED +, a cathode output terminal LED-, an energy storage capacitor C, a diode D1, an inductor L1, and a current detection resistor R1. The dc output terminal 22 is electrically connected to the power supply anode terminal 31, the power supply anode terminal 31 is electrically connected to the anode output terminal LED +, and the power supply cathode terminal 32 is grounded. Preferably, the constant current chip U2 is a MPT201 type constant current chip. The constant current chip U2 is provided with a current detection terminal CS and an inductance ground control terminal SW, the anode of the energy storage capacitor C is electrically connected with a path between the power supply anode terminal 31 and the anode output terminal LED +, the cathode of the energy storage capacitor C is electrically connected with the cathode output terminal LED-, the cathode of the diode D1 is electrically connected with a path between the power supply anode terminal 31 and the anode output terminal LED +, the anode of the diode D1 is electrically connected with the first end of the inductance L1, the first end of the inductance L1 is also electrically connected with the inductance ground control terminal SW, the second end of the inductance L1 and the current detection terminal CS are both electrically connected with the first end of the current detection resistor R1, the second end of the current detection resistor R1 is electrically connected with the cathode output terminal LED-, and the second end of the current detection resistor R1 is also electrically connected with the cathode of the energy storage capacitor C. A first magnetic bead L2 is connected in series between the anode of the diode D1 and the first end of the inductor L1. A second magnetic bead L3 is connected in series between the first end of the inductor L1 and the inductor ground control terminal SW. Through setting up first magnetic bead L2 and second magnetic bead L3, can play the effect of filtering and suppression EMI, improve the stability of circuit.
In addition, the LED regulation output circuit 3 further includes a PWM regulation circuit 33, a control terminal PWM of the PWM regulation circuit 33 is electrically connected to the main control circuit 2, and an output terminal of the PWM regulation circuit 33 is electrically connected to a current regulation terminal DIM of the constant current chip U2. The main control circuit 2 can regulate the output currents of the anode output terminal LED + and the cathode output terminal LED-through the PWM regulating circuit 33.
When the LED regulation output circuit 3 is in operation, the output current is detected through the resistor R1, when the output current is greater than the reference current, the inductor ground control terminal SW of the constant current chip U2 is turned off, and at this time, the diode D1 continues current, the inductor L1 releases energy, and the voltage is output to the anode output terminal LED +. When the output current is smaller than the reference current, the inductor ground control terminal SW of the constant current chip U2 is turned on to ground AGND, and at this time, the inductor L1 stores energy. The output current of the anode output terminal LED + is regulated stably by the released energy and the stored energy of the inductor L1.
In the present embodiment, referring to fig. 4, the NFC circuit 4 includes an NFC chip U3 and a coil 41, and the coil 41 is electrically connected to the NFC chip U3. The NFC chip U3 is electrically connected to the main control circuit 2 through the terminal SCL and the terminal SDA. Preferably, the NFC chip U3 is an NFC chip of model ST25DV 04K.
When the LED intelligent dimming power supply of this embodiment is used, under power supply circuit 1 outage state, the user accessible is close to NFC circuit 4 with external NFC control terminal, and NFC circuit 4's coil 41 communicates with external NFC control terminal after sensing the NFC signal, and at this moment, the parameter of LED intelligent dimming power supply is set up to the control interface on the external NFC control terminal of accessible. The NFC circuit 4 acquires parameter setting information of an external NFC control terminal and stores the parameter setting information in the NFC chip U3. After the storage of the parameter setting information is finished, if the power supply circuit 1 is powered on, the main control circuit 2 reads the parameter setting information stored in the NFC circuit 4 and controls the LED adjusting output circuit 3 to output the dimming information according to the parameter setting information, so that the LED power supply parameter setting is realized in a power-off state, a user can conveniently set the parameters, and meanwhile, when the power supply circuit is set in a factory, the power supply setting is not needed, and the energy consumption can be saved.
LED lamp system embodiments:
the LED lamp system of this embodiment includes LED intelligent light adjusting power and LED lamp, and LED intelligent light adjusting power is connected with the LED lamp electricity, and foretell LED intelligent light adjusting power is used to LED intelligent light adjusting power. The anode output terminal LED + and the cathode output terminal LED-are respectively electrically connected with the LED lamp.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept also fall within the protection scope of the present invention.
Claims (9)
1. An LED intelligent dimming power supply with an NFC function is characterized by comprising a power supply circuit, a master control circuit, an LED adjusting output circuit and an NFC circuit, wherein the power supply circuit supplies power to the master control circuit, the LED adjusting output circuit and the NFC circuit, and the LED adjusting output circuit and the NFC circuit are both electrically connected with the master control circuit;
in the power-off state of the power supply circuit, the NFC circuit acquires and stores parameter setting information of an external NFC control terminal;
and under the power-on state of the power supply circuit, the master control circuit reads the parameter setting information stored in the NFC circuit and controls the LED regulation output circuit to output a dimming signal according to the parameter setting information.
2. The NFC-enabled LED smart dimming power supply of claim 1,
the LED adjusting output circuit comprises a constant current chip, a power supply anode end, a power supply cathode end, an anode output terminal, a cathode output terminal, an energy storage capacitor, a diode, an inductor and a current detection resistor;
the anode end of the power supply is electrically connected with the anode output terminal, and the cathode end of the power supply is grounded;
the constant current chip is provided with a current detection terminal and an inductance grounding control terminal, the anode of the energy storage capacitor is electrically connected with a passage between the anode end of the power supply and the anode output terminal, the cathode of the energy storage capacitor is electrically connected with the cathode output terminal, the cathode of the diode is electrically connected with the passage between the anode end of the power supply and the anode output terminal, the anode of the diode is electrically connected with the first end of the inductor, the first end of the inductor is also electrically connected with the inductance grounding control terminal, the second end of the inductor and the current detection terminal are both electrically connected with the first end of the current detection resistor, the second end of the current detection resistor is electrically connected with the cathode output terminal, and the second end of the current detection resistor is also electrically connected with the cathode of the energy storage capacitor.
3. The NFC-enabled LED smart dimming power supply of claim 2,
the LED regulation output circuit further comprises a PWM regulation circuit, the control end of the PWM regulation circuit is electrically connected with the main control circuit, and the output end of the PWM regulation circuit is electrically connected with the current regulation terminal of the constant current chip.
4. The NFC-enabled LED smart dimming power supply of claim 2,
and a first magnetic bead is connected in series between the anode of the diode and the first end of the inductor.
5. The NFC-enabled LED smart dimming power supply of claim 2,
and a second magnetic bead is connected between the first end of the inductor and the inductor grounding control terminal in series.
6. The NFC-enabled LED smart dimming power supply of any one of claims 1 to 5,
the NFC circuit comprises an NFC chip and a coil, and the master control circuit and the coil are electrically connected with the NFC chip.
7. The NFC-enabled LED smart dimming power supply of any one of claims 1 to 5,
the power supply circuit comprises an alternating current input end, a rectifying circuit, a transformer and a direct current output end, wherein the alternating current input end is electrically connected with the rectifying circuit, and the rectifying circuit is electrically connected with the direct current output end through the transformer.
8. The NFC-enabled LED smart dimming power supply of claim 7,
the power supply circuit is also provided with a feedback adjusting circuit, the feedback adjusting circuit comprises a power supply control chip and an N-type MOS tube, a feedback terminal of the power supply control chip is electrically connected with a first secondary side of the transformer, an output terminal of the power supply control chip is electrically connected with a grid electrode of the N-type MOS tube, a source electrode of the N-type MOS tube is grounded, a first primary side end of the transformer is electrically connected with the rectifying circuit, and a second primary side end of the transformer is electrically connected with a drain electrode of the N-type MOS tube;
the power supply control chip acquires a voltage signal of the first secondary side, and sends a PWM control signal to the grid of the N-type MOS tube according to the voltage signal of the first secondary side.
9. An LED lamp system comprises an LED intelligent dimming power supply and an LED lamp, wherein the LED intelligent dimming power supply is electrically connected with the LED lamp,
the LED smart dimming power supply is applied to the LED smart dimming power supply of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678301.6A CN114466487A (en) | 2021-12-31 | 2021-12-31 | Take LED intelligent light adjusting power and LED lamp system of NFC function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678301.6A CN114466487A (en) | 2021-12-31 | 2021-12-31 | Take LED intelligent light adjusting power and LED lamp system of NFC function |
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| CN114466487A true CN114466487A (en) | 2022-05-10 |
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| CN202111678301.6A Pending CN114466487A (en) | 2021-12-31 | 2021-12-31 | Take LED intelligent light adjusting power and LED lamp system of NFC function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968067A (en) * | 2015-01-09 | 2015-10-07 | 闵长伟 | LED light modulation toning control apparatus |
| CN108200691A (en) * | 2018-01-19 | 2018-06-22 | 深圳云控照明信息科技有限公司 | A kind of LED PAR lamps driving circuit and LED PAR lamps |
| CN207802461U (en) * | 2018-01-10 | 2018-08-31 | 四川蓝景光电技术有限责任公司 | Intelligent constant-current supply applied to LED product |
| US10581678B1 (en) * | 2018-10-22 | 2020-03-03 | Mean Well (Guangzhou) Electronics Co., Ltd. | Wireless system for setting parameters |
| CN113194588A (en) * | 2021-03-31 | 2021-07-30 | 广东科谷智能科技有限公司 | Dimming circuit based on NFC and PCB thereof |
-
2021
- 2021-12-31 CN CN202111678301.6A patent/CN114466487A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968067A (en) * | 2015-01-09 | 2015-10-07 | 闵长伟 | LED light modulation toning control apparatus |
| CN207802461U (en) * | 2018-01-10 | 2018-08-31 | 四川蓝景光电技术有限责任公司 | Intelligent constant-current supply applied to LED product |
| CN108200691A (en) * | 2018-01-19 | 2018-06-22 | 深圳云控照明信息科技有限公司 | A kind of LED PAR lamps driving circuit and LED PAR lamps |
| US10581678B1 (en) * | 2018-10-22 | 2020-03-03 | Mean Well (Guangzhou) Electronics Co., Ltd. | Wireless system for setting parameters |
| CN113194588A (en) * | 2021-03-31 | 2021-07-30 | 广东科谷智能科技有限公司 | Dimming circuit based on NFC and PCB thereof |
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