Low standby power consumption control circuit for LED intelligent lamp

Abstract

The utility model relates to the field of smart home, in particular to a low standby power consumption control circuit for an LED (Light Emitting Diode) intelligent lamp, which is connected in series between a load end and a power supply end and comprises a singlechip control module, a switch control module and an auxiliary power supply module, the input end of the single chip microcomputer control module is connected with a power supply through a diode D1 to charge a capacitor CE1, the CE1 supplies power to a voltage reduction module or a linear voltage stabilization module and outputs the power to a CE2 to charge the CE2 after voltage reduction, the positive electrode of the CE2 is connected with a power supply pin VIN of the single chip microcomputer control module, and the power supply pin VIN is connected in parallel with C1 to ground for filtering and decoupling. The design requirement of a complex circuit of the intelligent lamp is met, and the energy efficiency requirement of low standby power consumption is also met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of smart home, more specifically, it relates to low standby power control circuit for LED intelligent lamps and lanterns. BACKGROUND

[0002] LED intelligent lamps and lanterns are new lamps and lanterns that combine light emitting diode (LED) lighting technology and control circuit, which not only can provide basic lighting function, but also have air convection of fan, Bluetooth music playing interface, etc., to bring users more convenient, efficient and personalized user experience.

[0003] The existing control circuit (fan lamp / intelligent adjustable light LED drive) circuit is complex, standby power consumption is high, which causes energy waste, and if the LED power supply has high power consumption in standby state, it will directly lead to energy waste, which not only increases the operating cost of enterprises, but also aggravates the global energy shortage situation. In the field of commercial places, especially in large shopping malls, office buildings and other places, due to the large number of LED intelligent lamps and lanterns, the problem of high standby power consumption is particularly prominent.

[0004] Therefore, there is an urgent need for a low power control circuit, which can significantly reduce energy consumption in non-working state, which not only reduces unnecessary energy waste, but also meets the global energy saving and emission reduction trend. In commercial places such as shopping malls, office buildings, etc., LED intelligent lamps and lanterns system combined with low standby power circuit can greatly reduce operating cost and reduce the burden on the power grid. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model provides a low standby power control circuit for LED intelligent lamps and lanterns.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a low standby power control circuit for LED intelligent lamps and lanterns, which is connected in series between the load end and the power supply end, and includes a single-chip microcomputer control module, a switch control module and an auxiliary power supply module. The auxiliary power supply module provides power supply for the single-chip microcomputer control module, the input end is connected to the power supply to charge the capacitor CE1 through the diode D1, the CE1 supplies power to the voltage reduction module or the linear voltage stabilizing module, and the output after voltage reduction charges the CE2. The positive electrode of the CE2 is connected to the power supply pin VIN of the single-chip microcomputer control module, and the power supply pin VIN is connected in parallel with C1 to the ground filter decoupling.

[0007] Further, the single-chip microcomputer on the single-chip microcomputer control module is connected to the RF pin to receive one of 2.4G, 433 and infrared remote control signals through the antenna or infrared signal receiver ANT, and then outputs the control signal Standby to the control pin of the switch control module through the GPIO22 pin.

[0008] Further, the switch control module is provided with two groups of switches, which are respectively composed of a first group of control switches and a second group of control switches.

[0009] Further, the first group of control switches receives a standby signal and connects a resistor R36 to a base of an NPN transistor Q4, the base of the Q4 is connected to an emitter through a resistor R37 and grounded, a collector of the Q4 is connected to a base of a PNP transistor Q3 through a resistor R35, the base of the Q3 is connected to the emitter through a resistor R34 and to a power supply terminal VCC, a collector of the Q3 is connected to a load terminal VCC-OUT, and the Q3 is controlled to be turned on or turned off according to the standby signal.

[0010] Further, the second group of control switches receives a standby signal and connects a resistor R38 to a base of an NPN transistor Q6, the base of the Q6 is connected to an emitter through a resistor R39 and grounded, a collector of the Q6 is connected to a base of a PNP transistor Q5 through resistors R42 and R41, the base of the Q5 is connected to the emitter through a resistor R40 and to a power supply terminal HV, a collector of the Q5 is connected to a load terminal HV-OUT, and the Q5 is controlled to be turned on or turned off according to the standby signal.

[0011] Further, the single-chip microcomputer control module receives one of 2.4G, 433, and infrared remote control low-power mode signals on the ANT, outputs a standby signal as zero, the base of the Q4 and the Q6 is zero, the collector and the emitter are in the off state, the base of the Q3 and the Q5 is connected to the power supply terminal VCC through resistors R34 and R40, the potential is equal to the supply voltage, the emitter and the collector of the Q3 and the Q5 are in the off state, and the Q3 and the Q5 are in the off state.

[0012] Further, the single-chip microcomputer control module receives one of 2.4G, 433, and infrared remote control low-power mode signals on the ANT, outputs a standby signal as zero, the base of the Q4 and the Q6 is zero, the collector and the emitter are in the off state, the base of the Q3 and the Q5 is connected to the power supply terminal VCC through resistors R34 and R40, the potential is equal to the supply voltage, the emitter and the collector of the Q3 and the Q5 are in the off state, and the Q3 and the Q5 are in the off state.

[0013] Further, the first group of control switches and the second group of control switches can also be applied to LED lamps, fan lamps, and intelligent ceiling lamps.

[0014] Compared with the prior art, the novel controller shell has the following advantages: through the control structure, standby power consumption of the whole machine can be significantly reduced, the design requirements of the complex circuit of the intelligent lamp are met, the energy efficiency requirement of low standby power consumption is realized, standby power consumption can be reduced to 0.3W, and the circuit structure is very simple; since the power circuit standby state is not worked, the service life of the electronic components is further improved, and the service life is much longer than that of the traditional LED power supply. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Fig. 1 The structure diagram of the auxiliary power supply module of the present application.

[0017] Fig. 2 The structure diagram of the single-chip microcomputer control module of the present application.

[0018] Fig. 3 The structure diagram of the switch control module of the present application. DETAILED DESCRIPTION

[0019] In order to further illustrate the essence of the present application, the specific embodiments of the present application are described as follows in combination with the drawings.

[0020] The technical solutions of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is to be explained that, unless another explicit provision and limitation, the term "installation", "link", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, also can be two elements inside the communication, can be wireless connection, also can be wired connection.For ordinary workers in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0023] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them.

[0024] As Figs. 1 to 3 Indicated, the low standby power control circuit for LED intelligent lamp is connected in series between load end and power supply end, including single-chip microcomputer control module, switch control module and auxiliary power module, the auxiliary power module provides power supply for the single-chip microcomputer control module, input end is connected power supply through diode D1 to charge capacitor CE1, CE1 supplies power to voltage reduction module or linear voltage stabilizing module, and the output after voltage reduction charges CE2, the anode of CE2 is connected with the power supply pin VIN of the single-chip microcomputer control module, and the power supply pin VIN is connected with C1 to ground filter decoupling.

[0025] Preferably, as Fig. 2 Indicated, the single-chip microcomputer on the single-chip microcomputer control module is connected with RF pin by antenna or infrared signal receiver ANT and receives one of 2.4G, 433 and infrared remote control signals, and then outputs control signal Standby to the control pin of the switch control module by GPIO22 pin.

[0026] Preferably, as Fig. 3 Indicated, the switch control module is provided with two groups of switches, which are: ① group control switch and ② group control switch.

[0027] Preferably, the ① group control switch receives Standby signal and connects resistance R36 to NPN triode Q4 base, Q4 base is connected with emitter through R37 resistance and grounded, the collector of Q4 is connected with the base of PNP triode Q3 through R35 resistance, the base of Q3 is connected with emitter and power supply end VCC in series with resistance R34, the collector of Q3 is connected with load end VCC-OUT, and the conduction and turn-off of Q3 are controlled according to Standby signal.

[0028] Preferably, the ② group control switch receives the Standby signal to the series resistance R38 to the NPN transistor Q6 base, Q6 base through R39 resistance connected to the emitter and grounded, Q6 collector connected to the base of PNP transistor Q5 in series with R42 and R41 resistance, Q5 base connected to the emitter in series with resistance R40 and to the power supply terminal HV, Q5 collector connected to the load terminal HV-OUT, according to the Standby signal to control the conduction and turn-off of Q5.

[0029] Preferably, the single-chip microcomputer control module receives one of the 2.4G, 433, infrared remote control on ANT into low-power mode signal, output Standby signal is zero, Q4 and Q6 base potential is zero, collector and emitter into the off state, Q3 and Q5 base through resistance R34 and R40 connected to the power supply terminal VCC potential equal to the supply voltage, Q3 and Q5 emitter and collector into the off state, Q3 and Q5 off power supply.

[0030] Preferably, the single-chip microcomputer control module receives one of the 2.4G, 433, infrared remote control on ANT into low-power mode signal, output Standby signal is zero, Q4 and Q6 base potential is zero, collector and emitter into the off state, Q3 and Q5 base through resistance R34 and R40 connected to the power supply terminal VCC potential equal to the supply voltage, Q3 and Q5 emitter and collector into the off state, Q3 and Q5 off power supply.

Claims

1. A low standby power consumption control circuit for LED intelligent luminaire, connected in series between a load terminal and a power terminal, characterized in that, Including single-chip microcomputer control module, switch control module and auxiliary power module, the auxiliary power module provides power supply for the single-chip microcomputer control module, the input end is connected to the power supply through diode D1 to charge capacitor CE1, the CE1 supplies power to the voltage reduction module or linear voltage stabilizing module, and the output after voltage reduction charges CE2, the positive electrode of CE2 is connected to the power supply pin VIN of the single-chip microcomputer control module, the power supply pin VIN is connected to the ground filter decoupling through C1, the switch control module is provided with two groups of switches, which are respectively composed of the first group of control switches and the second group of control switches.

2. The low standby power consumption control circuit for LED smart luminaire of claim 1, wherein, The single-chip microcomputer on the single-chip microcomputer control module is connected to the antenna or infrared signal receiver ANT, and after receiving one of 2.4G, 433 and infrared remote control signals through the RF pin, a control signal Standby is output to the control pin of the switch control module through the GPIO22 pin.

3. The low standby power consumption control circuit for LED smart light fixture of claim 1, wherein, The first group of control switches receives the Standby signal and connects it to the base of NPN triode Q4 through a resistor R36, the base of Q4 is connected to the emitter through a resistor R37 and grounded, the collector of Q4 is connected to the base of PNP triode Q3 through a resistor R35, the base of Q3 is connected to the emitter through a resistor R34 and to the power supply end VCC, the collector of Q3 is connected to the load end VCC-OUT, and the conduction and turn-off of Q3 are controlled according to the Standby signal.

4. The low standby power consumption control circuit for LED smart light fixture of claim 1, wherein, The second group of control switches receives the Standby signal and connects it to the base of NPN triode Q6 through a resistor R38, the base of Q6 is connected to the emitter through a resistor R39 and grounded, the collector of Q6 is connected to the base of PNP triode Q5 through resistors R42 and R41, the base of Q5 is connected to the emitter through a resistor R40 and to the power supply end HV, the collector of Q5 is connected to the load end HV-OUT, and the conduction and turn-off of Q5 are controlled according to the Standby signal.

5. The low standby power consumption control circuit for LED smart light fixture of claim 1, wherein, When the single-chip microcomputer control module receives one of 2.4G, 433 and infrared remote control low-power mode signals on ANT, the output Standby signal is zero, the base of Q4 and Q6 is zero, the collector and emitter enter the cutoff state, the base of Q3 and Q5 is connected to the power supply end VCC through resistors R34 and R40, the potential is equal to the supply voltage, the emitter and collector of Q3 and Q5 enter the cutoff state, and Q3 and Q5 are cut off.

6. The low standby power consumption control circuit for LED smart light fixture of claim 1, wherein, When the single-chip microcomputer control module receives one of 2.4G, 433 and infrared remote control low-power mode signals on ANT, the output Standby signal is zero, the base of Q4 and Q6 is zero, the collector and emitter enter the cutoff state, the base of Q3 and Q5 is connected to the power supply end VCC through resistors R34 and R40, the potential is equal to the supply voltage, the emitter and collector of Q3 and Q5 enter the cutoff state, and Q3 and Q5 are cut off.

7. The low standby power consumption control circuit for LED smart light fixture of claim 1, wherein, The first group of control switches and the second group of control switches can also be applied to LED lamps, fan lamps and intelligent ceiling lamps.

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