CN216162897U - Low-power consumption lighting circuit - Google Patents
Low-power consumption lighting circuit Download PDFInfo
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- CN216162897U CN216162897U CN202120918671.1U CN202120918671U CN216162897U CN 216162897 U CN216162897 U CN 216162897U CN 202120918671 U CN202120918671 U CN 202120918671U CN 216162897 U CN216162897 U CN 216162897U
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Abstract
The utility model discloses a low-power-consumption lighting circuit, which comprises an AC/DC conversion circuit, a lighting driving circuit, a wireless module and a module power supply circuit, wherein the input end of the AC/DC conversion circuit is connected with commercial power and used for converting the commercial power into direct-current voltage; the wireless module is used for controlling the switch circuit to cut off the electric loop of the lighting driving circuit, so that the lighting driving circuit stops working. It has the following advantages: the standby power consumption can be reduced.
Description
Technical Field
The utility model relates to the field of intelligent illumination, in particular to a low-power-consumption illumination circuit.
Background
The intelligent lighting lamp mainly comprises an AC/DC conversion circuit, a lighting driving circuit, a lighting lamp (an LED lamp), a module power supply circuit and a wireless module. After the lamp is connected with the mains supply, the AC/DC conversion circuit converts the connected mains supply into a direct current voltage signal, one path of the direct current voltage signal is supplied to the lighting driving circuit to drive the lighting lamp to work, and the other path of the direct current voltage signal is subjected to voltage reduction through the module power supply circuit and is converted into a low-voltage signal to supply power for the wireless module. Therefore, the standby power consumption of the intelligent lighting lamp mainly comprises the standby power consumption of the lighting driving circuit, the standby power consumption of the module power supply circuit and the standby power consumption of the wireless module, and the standby power consumption of the lighting driving circuit is particularly high, so that the whole standby power consumption of the intelligent lighting lamp is higher when in standby, the intelligent lighting lamp is not energy-saving and environment-friendly enough, and the increasingly high cost performance and environmental protection requirements of the market cannot be met.
SUMMERY OF THE UTILITY MODEL
The present invention provides a low power consumption lighting circuit that overcomes the deficiencies of the prior art as set forth in the background.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a low-power consumption lighting circuit comprises an AC/DC conversion circuit, a lighting driving circuit, a wireless module and a module power supply circuit, wherein the input end of the AC/DC conversion circuit is connected with commercial power and used for converting the commercial power into direct-current voltage; the wireless module is used for controlling the switch circuit to cut off the grounding circuit of the lighting driving circuit so as to stop the lighting driving circuit.
In one embodiment: the lighting driving circuit comprises a constant voltage driving circuit with an input end connected with an output end of the AC/DC conversion circuit, the constant voltage driving circuit comprises a constant voltage driving chip, and the switch circuit is connected in a grounding circuit of a peripheral circuit of the constant voltage driving chip.
In one embodiment: the constant voltage driving chip is of a model number BP 2522.
In one embodiment: the lighting driving circuit also comprises a power regulating circuit, the input end of the power regulating circuit is connected with the output end of the constant voltage driving circuit and is used for regulating the output power, the output end of the power regulating circuit is connected with a lighting lamp, and the wireless module is connected with the power regulating circuit and can control the output power of the power regulating circuit.
In one embodiment: the power regulating circuit comprises a power regulating chip, and the model of the power regulating chip is BP 1658C.
In one embodiment: the switch circuit comprises a switch tube, the first end and the second end of the switch tube are connected in the grounding circuit of the lighting driving circuit, and the control end of the switch tube is connected with the wireless module.
In one embodiment: the wireless module is a radio frequency module.
A low-power consumption lighting circuit comprises an AC/DC conversion circuit, a lighting driving circuit, a wireless module and a module power supply circuit, wherein the input end of the AC/DC conversion circuit is connected with a mains supply and is used for converting the mains supply into direct-current voltage; the lighting driving circuit comprises a constant voltage driving circuit and a power regulating circuit, wherein the input end of the constant voltage driving circuit is connected with the output end of the AC/DC conversion circuit, the input end of the power regulating circuit is connected with the output end of the constant voltage driving circuit and is used for regulating output power, the output end of the power regulating circuit is connected with a lighting lamp, and the wireless module is connected with the power regulating circuit and can control the output power of the power regulating circuit;
the wireless module is used for controlling the switch circuit to cut off the power supply line of the lighting driving circuit so as to stop the lighting driving circuit.
In one embodiment: the switch circuit comprises a first switch tube and a second switch tube, wherein the control end of the first switch tube is connected with a wireless module, the first end of the first switch tube is grounded, the second end of the first switch tube is connected with the control end of the second switch tube, the first end of the second switch tube is connected with the output end of an AC/DC conversion circuit, the second end of the second switch tube is connected with the power supply end of an illumination driving circuit, and the wireless module controls the first switch tube to be connected so that the second switch tube can be disconnected from the power supply circuit of the illumination driving circuit.
In one embodiment: the constant voltage driving circuit comprises a constant voltage driving chip, the model of the constant voltage driving chip is BP2522, the power regulating circuit comprises a power regulating chip, and the model of the power regulating chip is BP 1658C.
Compared with the background technology, the technical scheme has the following advantages:
the switch circuit is arranged in the grounding circuit of the lighting driving circuit, and when the lighting lamp is in a standby state, the wireless module controls the switch circuit to cut off the grounding circuit of the lighting driving circuit, so that the lighting driving circuit cannot form a complete loop to stop working, namely, the lighting driving circuit does not generate power consumption during standby, and therefore the power consumption of the whole lighting lamp is reduced, and the lighting lamp is energy-saving and environment-friendly.
The output end of the AC/DC conversion circuit can be connected with a switch circuit, the switch circuit is connected with the power end of the lighting driving circuit and the power end of the module power supply circuit, the switch circuit is also connected with the wireless module, the wireless module controls the switch circuit to cut off the power supply circuit of the lighting driving circuit, so that the lighting driving circuit stops working, namely, the lighting driving circuit does not generate power consumption in standby, the power consumption of the whole lighting lamp is reduced, and the energy-saving and environment-friendly effects are achieved.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 is a block diagram of a circuit structure of a low power consumption lighting circuit according to the first embodiment.
Fig. 2 is a specific circuit diagram of a low power consumption lighting circuit according to the first embodiment.
Fig. 3 is a block diagram of a circuit structure of a low power consumption lighting circuit according to the second embodiment.
Fig. 4 is a specific circuit diagram of a low power consumption lighting circuit according to the second embodiment.
Detailed Description
In the first embodiment, please refer to fig. 1 and fig. 2:
a low-power consumption lighting circuit comprises an AC/DC conversion circuit 1, a lighting driving circuit 3, a wireless module 4 and a module power supply circuit 5, wherein the input end of the AC/DC conversion circuit 1 is connected with commercial power and used for converting the commercial power into direct-current voltage, the lighting driving circuit 3 is connected with the output end of the AC/DC conversion circuit 1 and a lighting lamp 2 and used for driving the lighting lamp 2 to normally illuminate, the wireless module 4 is connected with the lighting driving circuit 3, and the module power supply circuit 5 is connected with the output end of the AC/DC conversion circuit 1 and the wireless module and used for supplying power to the wireless module 4; after the lighting lamp 2 is connected to the mains supply, the AC/DC conversion circuit 1 converts the connected mains supply into a direct current voltage signal, the direct current voltage signal is supplied to the lighting driving circuit 3 all the way to drive the lighting lamp to work, and the other direct current voltage signal is reduced in voltage and converted into a low-voltage signal through the module power supply circuit 3 to supply power for the wireless module 4.
The module power supply circuit 5 is specifically a DC/DC buck converter circuit, which supplies power to the wireless module 4. The wireless module 4 may be a radio frequency module or a bluetooth module, and the wireless module 4 includes a wireless transmitting portion 41 and a wireless receiving portion 42, and the wireless receiving portion 42 is configured to receive the command sent from the wireless transmitting portion 41 and transmit the command to the lighting driving circuit 3 in the form of an electrical signal. In the field of intelligent lighting, the lighting lamp 2 generally adopts an LED lamp.
The lighting driving circuit 3 includes a constant voltage driving circuit 31 having an input terminal connected to the output terminal of the AC/DC conversion circuit 1, and a power adjusting circuit 32 having an input terminal connected to the output terminal of the constant voltage driving circuit 31 for adjusting output power, the output terminal of the power adjusting circuit 32 being connected to the lighting lamp 2, the power adjusting circuit 32 being further connected to the wireless module 4. The voltage input from the AC/DC conversion circuit 1 is further processed by the constant voltage driving circuit 31 to obtain a more stable output DC voltage, and the voltage signal output from the constant voltage driving circuit 31 is output by the power adjusting circuit 32 according to the instruction of the wireless module 4 to output different driving powers to drive the illuminating lamp 2 to operate. The constant voltage driving circuit 31 includes a constant voltage driving chip, which may be BP 2522. In this embodiment, the power adjusting circuit 32 includes a power adjusting chip, the model of the power adjusting chip is BP1658C, the BP1658C chip has a plurality of output channels, the output driving power of each output channel of the BP1658C chip is controlled and adjusted by the SDA and CLK signals of the wireless module 4, and each output channel can be respectively connected to different color lamps, so as to adjust and control the driving power of each color lamp.
The low-power consumption lighting circuit also comprises a switch circuit 6 which is arranged in the grounding circuit of the lighting driving circuit 3 and is connected with the wireless module 4, and the wireless module 4 controls the switch circuit 6 to cut off the grounding circuit of the lighting driving circuit 3, so that the lighting driving circuit 3 stops working. The ground line is a line that can normally operate or disable the lighting driving circuit 3 by turning on or off the switching circuit 6. In this embodiment, the switch circuit 6 includes a switch tube, a first end and a second end of the switch tube are connected to the ground line of the lighting driving circuit 3, and a control end of the switch tube is connected to the wireless module 4.
Specifically, the switch circuit 6 is connected in a ground line of a peripheral circuit of the constant voltage driver chip (e.g., BP2522 chip). The constant voltage driving circuit comprises a BP2522 chip, wherein the DRAI N port of the BP2522 chip is connected with the voltage output end of an AC/DC conversion circuit, a capacitor C2 is connected between a GND port and a VCC port, a resistor R2 is connected between the GND port and a CS port, the GND port is grounded after being reversely connected with a diode D4, the switch circuit is arranged between the positive electrode end of the diode D4 and the ground, the switch circuit 6 comprises a switch tube Q1, the first end of the switch tube Q1 is grounded, the second end of the switch tube Q1 is connected with the positive electrode end of a diode D4, the output of the VCC port of the BP2522 chip is connected with the VCC port of the BP1658C chip, when the wireless module 4 outputs low level to the control end of the switch tube Q1, the source and drain ends of the switch tube Q1 are cut off, the diode D4 is disconnected with the ground, the BP2522 chip stops working, the BP1658C chip stops working, the whole lighting driving circuit 3 does not work, therefore, under the standby condition, the wireless module 4 controls the switch circuit 6 to cut off the circuit loop of the lighting driving circuit 3, so that the lighting driving circuit 3 stops working, standby power consumption is saved, and the wireless module is energy-saving and environment-friendly.
Example two, please review fig. 3 and 4:
a low-power consumption lighting circuit comprises an AC/DC conversion circuit 1, a lighting driving circuit 3, a wireless module 4 and a module power supply circuit 5, wherein the input end of the AC/DC conversion circuit 1 is connected with a mains supply and is used for converting the mains supply into direct-current voltage, the lighting driving circuit 3 is connected with a lighting lamp 2 and is used for driving the lighting lamp 2 to normally illuminate, the wireless module 4 is connected with the lighting driving circuit 3, and the module power supply circuit 5 is connected with the output end of the AC/DC conversion circuit 1 and the wireless module 4 and is used for supplying power to the wireless module 4; the lighting driving circuit 3 includes a constant voltage driving circuit 31 having an input terminal connected to the output terminal of the AC/DC conversion circuit 1, and a power adjusting circuit 32 having an input terminal connected to the output terminal of the constant voltage driving circuit 31 for adjusting output power, the output terminal of the power adjusting circuit 32 is connected to the lighting lamp 2, and the wireless module 4 is connected to the power adjusting circuit 32 and can control the output power of the power adjusting circuit 32.
The low-power consumption lighting circuit also comprises a switch circuit 6 arranged on a power supply line of the lighting driving circuit 3 between the output end of the AC/DC conversion circuit 1 and the lighting driving circuit 3, the switch circuit 6 is connected with the wireless module 4, and the wireless module 4 controls the switch circuit 6 to cut off the power supply line of the lighting driving circuit 3, so that the lighting driving circuit 3 stops working.
In this embodiment, the switch circuit 6 includes a first switch tube Q2 and a second switch tube Q1, a control end of the first switch tube Q2 is connected to the wireless module 4, a first end of the first switch tube Q2 is connected to the ground and a second end is connected to a control end of the second switch tube Q1, a first end of the second switch tube Q1 is connected to an output end of the AC/DC converter circuit 1 and a second end is connected to a power source end of the lighting driving circuit 3, and the wireless module 4 controls the first switch tube Q2 to be turned on to disconnect a power supply line of the lighting driving circuit from the second switch tube Q1. For example, when the wireless module 4 outputs a high level to the control terminal of the first switch Q2, the first switch Q2 is turned on, and the control terminal of the second switch Q1 is pulled to a low level, so as to disconnect the source and drain terminals of the second switch Q1, i.e., disconnect the power supply line of the lighting driving circuit 3.
In the same manner as the first embodiment, in the present embodiment, the constant voltage driving circuit 31 includes a constant voltage driving chip, the model of the constant voltage driving chip is BP2522, the BP2522 chip and its peripheral circuits constitute the constant voltage driving circuit 31, and the power regulating circuit 32 includes a power regulating chip, the model of the power regulating chip is BP1658C, the BP1658C chip and its peripheral circuits constitute the power regulating circuit 32.
The difference between the second embodiment and the first embodiment is that: in the second embodiment, the switching circuit is provided on the power supply line of the lighting driving circuit 3 between the AC/DC conversion circuit 1 and the lighting driving circuit 3, and once the switching circuit 6 is turned off, the power supply circuit of the lighting driving circuit 3 is cut off and stops operating, so that the lighting driving circuit can achieve the purpose of almost no power consumption and reduction of the power consumption of the whole lighting driving circuit in the standby state. In the first embodiment, the switch circuit 6 is provided in a specific peripheral circuit of the lighting driving circuit 3, and the lighting driving circuit 3 is disabled by cutting off a ground line of the peripheral circuit, thereby saving power consumption.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents.
Claims (10)
1. A low power consumption lighting circuit, characterized by: the wireless lighting system comprises an AC/DC conversion circuit, a lighting driving circuit, a wireless module and a module power supply circuit, wherein the input end of the AC/DC conversion circuit is connected with commercial power and used for converting the commercial power into direct-current voltage; the wireless module is used for controlling the switch circuit to cut off the grounding circuit of the lighting driving circuit so as to stop the lighting driving circuit.
2. A low power consumption lighting circuit according to claim 1, wherein: the lighting driving circuit comprises a constant voltage driving circuit with an input end connected with an output end of the AC/DC conversion circuit, the constant voltage driving circuit comprises a constant voltage driving chip, and the switch circuit is connected in a grounding circuit of a peripheral circuit of the constant voltage driving chip.
3. A low power consumption lighting circuit according to claim 2, wherein: the constant voltage driving chip is of a model number BP 2522.
4. A low power consumption lighting circuit according to claim 2, wherein: the lighting driving circuit also comprises a power regulating circuit, the input end of the power regulating circuit is connected with the output end of the constant voltage driving circuit and is used for regulating the output power, the output end of the power regulating circuit is connected with a lighting lamp, and the wireless module is connected with the power regulating circuit and can control the output power of the power regulating circuit.
5. A low power consumption lighting circuit according to claim 4, wherein: the power regulating circuit comprises a power regulating chip, and the model of the power regulating chip is BP 1658C.
6. A low power consumption lighting circuit according to any one of claims 1 to 5, wherein: the switch circuit comprises a switch tube, the first end and the second end of the switch tube are connected in the grounding circuit of the lighting driving circuit, and the control end of the switch tube is connected with the wireless module.
7. A low power consumption lighting circuit according to claim 6, wherein: the wireless module is a radio frequency module.
8. A low power consumption lighting circuit, characterized by: the wireless lighting system comprises an AC/DC conversion circuit, a lighting driving circuit, a wireless module and a module power supply circuit, wherein the input end of the AC/DC conversion circuit is connected with commercial power and used for converting the commercial power into direct-current voltage; the lighting driving circuit comprises a constant voltage driving circuit and a power regulating circuit, wherein the input end of the constant voltage driving circuit is connected with the output end of the AC/DC conversion circuit, the input end of the power regulating circuit is connected with the output end of the constant voltage driving circuit and is used for regulating output power, the output end of the power regulating circuit is connected with a lighting lamp, and the wireless module is connected with the power regulating circuit and can control the output power of the power regulating circuit;
the wireless module is used for controlling the switch circuit to cut off the power supply line of the lighting driving circuit so as to stop the lighting driving circuit.
9. A low power consumption lighting circuit according to claim 8, wherein: the switch circuit comprises a first switch tube and a second switch tube, wherein the control end of the first switch tube is connected with a wireless module, the first end of the first switch tube is grounded, the second end of the first switch tube is connected with the control end of the second switch tube, the first end of the second switch tube is connected with the output end of an AC/DC conversion circuit, the second end of the second switch tube is connected with the power supply end of an illumination driving circuit, and the wireless module controls the first switch tube to be connected so that the second switch tube can be disconnected from the power supply circuit of the illumination driving circuit.
10. A low power consumption lighting circuit according to claim 8, wherein: the constant voltage driving circuit comprises a constant voltage driving chip, the model of the constant voltage driving chip is BP2522, the power regulating circuit comprises a power regulating chip, and the model of the power regulating chip is BP 1658C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918671.1U CN216162897U (en) | 2021-04-29 | 2021-04-29 | Low-power consumption lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120918671.1U CN216162897U (en) | 2021-04-29 | 2021-04-29 | Low-power consumption lighting circuit |
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| Publication Number | Publication Date |
|---|---|
| CN216162897U true CN216162897U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120918671.1U Active CN216162897U (en) | 2021-04-29 | 2021-04-29 | Low-power consumption lighting circuit |
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|---|---|
| CN (1) | CN216162897U (en) |
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2021
- 2021-04-29 CN CN202120918671.1U patent/CN216162897U/en active Active
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