CN220457622U - Single-live wire switch circuit with built-in induction lighting function and switch - Google Patents
Single-live wire switch circuit with built-in induction lighting function and switch Download PDFInfo
- Publication number
- CN220457622U CN220457622U CN202321549880.9U CN202321549880U CN220457622U CN 220457622 U CN220457622 U CN 220457622U CN 202321549880 U CN202321549880 U CN 202321549880U CN 220457622 U CN220457622 U CN 220457622U
- Authority
- CN
- China
- Prior art keywords
- module
- pin
- human body
- live wire
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000006698 induction Effects 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 claims description 35
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a single-live wire switch circuit with a built-in induction lighting function and a switch. The switch circuit and the switch can be widely applied to a single-live wire circuit environment, not only solves the problem of flickering of most load lamps of the single-live wire intelligent switch in the off state, but also has the function of sensing a night lamp, can replace a conventional night lamp and a traditional single-live wire switch to a certain extent, solves various problems by one product, and has the advantages of simple structure, low manufacturing cost, capability of meeting the requirements of market diversity selection and wide market prospect.
Description
Technical Field
The utility model relates to the technical field of switches and illumination, in particular to a single-live wire switch circuit with a built-in induction illumination function and a switch.
Background
The switch is widely applied to families, businesses and production spaces, is an indispensable electrical product in modern life, along with the development of intelligent switch technology in recent years, intelligent switches applied to traditional single-live wire lines are popular because zero-fire lines do not need to be rearranged, but are popular by a plurality of users, however, because most single-live wire intelligent switches cannot solve the problem of instantaneous flickering of load lamps, meanwhile, the functions of the existing single-live wire intelligent switches are serious in homogeneity, care and support on diversified market demands are lacked, and some users have demands but cannot buy proper products, so that the industry and market development are affected to a certain extent.
To the above problems, it is urgent to integrate and develop a single-live-wire switch circuit and switch with built-in induction lighting function, which solves the problem of flickering of most load lamps, further integrates the induction lighting function in the single-live-wire switch, has multiple functions, meets diversified requirements, and solves the existing problems.
Disclosure of Invention
In view of the above, the present utility model provides a single live wire switch circuit and switch with built-in induction lighting function to solve the above problems.
The aim of the utility model is achieved by the following technical scheme:
on one hand, a single-live wire switch circuit with a built-in induction lighting function is provided, and the single-live wire switch circuit comprises a power taking module, a voltage reducing module, an MCU module, a human body induction module, a photosensitive detection module and an LED light source module; the power taking module is characterized in that two input ends of the power taking module are respectively connected with a live wire input end and a live wire output end connected with a load lamp, the output end of the power taking module is connected with a voltage reducing module, the voltage reducing module is connected with an MCU module, a human body sensing module and a photosensitive detection module, and the MCU module is connected with the human body sensing module, the photosensitive detection module and an LED light source module;
the power taking module is responsible for finishing half-wave power taking through an alternating current positive and negative period principle from a live wire output end when a mechanical switch and a load lamp are in a closed state, takes the live wire input end as direct current reference ground, provides stable power for the MCU module, the human body induction module, the photosensitive detection module and the LED light source module to use after the live wire input end is subjected to voltage reduction by the voltage reduction module, and sends a starting working instruction to the human body induction module through the MCU module when the ambient light reaches a preset minimum threshold value, the human body induction module immediately starts induction detection work of human infrared signals, and once human body infrared information is detected, the human body induction module starts the LED light source module through the MCU module to start an induction lighting process to the environment, and the MCU module automatically closes the LED light source module according to a preset lighting time length to finish the induction lighting process to the environment.
In two aspects, a single live wire switch with a built-in induction lighting function is provided, and the single live wire switch circuit with the built-in induction lighting function comprises the single live wire switch circuit with the built-in induction lighting function.
The beneficial effects of the utility model are as follows:
the utility model relates to a single-live wire switch circuit with a built-in induction lighting function and a switch, which can be applied to a circuit environment of a single live wire, not only solves the problem of flickering of most lamps loaded by the intelligent switch of the single live wire when the lamp is in an off state, but also has the function of inducing a night lamp, can replace a traditional single-live wire switch and a conventional night lamp to a certain extent, and solves various problems by one product.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural diagram of a single live wire switch circuit with an internal induction lighting function according to an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of a power module according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of a buck module according to an embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of a control chip according to an embodiment of the present utility model;
FIG. 5 is a schematic circuit diagram of an MCU module according to an embodiment of the present utility model;
FIG. 6 is a schematic circuit diagram of a human body sensing module according to an embodiment of the present utility model;
FIG. 7 is a schematic circuit diagram of a photosensitive detection module according to an embodiment of the present utility model;
fig. 8 is a schematic circuit diagram of an LED light source module according to an embodiment of the present utility model;
in the figure: the power taking module 1, the voltage reducing module 2, the MCU module 3, the human body induction module 4, the photosensitive detection module 5, the LED light source module 6, the mechanical switch 7, the load lamp 8 and the regulating switch 9
Description of the embodiments
The present utility model will be described in further detail below with reference to specific embodiments and drawings for the understanding of those skilled in the art. Wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model.
In the present utility model, the terms "connected," "via," and the like should be construed broadly, such as "connected," either mechanically or electrically, unless otherwise specified and defined; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be specifically understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1 to 8, one embodiment of the present utility model includes:
a single live wire switch circuit with a built-in induction lighting function comprises a power taking module 1, a voltage reducing module 2, an MCU module 3, a human body induction module 4, a photosensitive detection module 5 and an LED light source module 6; the power taking module 1 is characterized in that two input ends of the power taking module 1 are respectively connected with a live wire input end L and a live wire output end L1 connected with a load lamp 8, the output end of the power taking module 1 is connected with a voltage reducing module 2, the voltage reducing module 2 is connected with an MCU module 3, a human body sensing module 4 and a photosensitive detection module 5, and the MCU module 3 is connected with the human body sensing module 4, the photosensitive detection module 5 and an LED light source module 6;
the power taking module 1 is responsible for completing half-wave power taking through an alternating current positive and negative period principle from a live wire output end L1 when the mechanical switch 7 and the load lamp 8 are in a closed state, takes the live wire input end L as a direct current reference ground, provides stable power for the MCU module 3, the human body sensing module 4, the photosensitive detection module 5 and the LED light source module 6 to use after being reduced by the voltage reduction module 2, the photosensitive detection module 5 sends a starting working instruction to the human body sensing module 4 through the MCU module 3 when the ambient light reaches a preset minimum threshold value, the human body sensing module 4 immediately starts the sensing detection work of human body infrared signals, once human body infrared information is detected, the human body sensing module 4 starts the LED light source module 6 through the MCU module 3, starts the sensing illumination process to the environment, and the MCU module 3 automatically closes the LED light source module 6 according to a preset light-on time length to finish the sensing illumination process to the environment.
Specifically, referring to fig. 2 and 3, the power taking module 1 is composed of a half-wave rectifier diode DL1, a filter capacitor C1, a triode Q2, a transformer T2, a control chip U4, and a plurality of other resistors, capacitors and diodes; the half-wave rectifier diode DL1 outputs direct-current positive electricity after taking electricity from a live wire output end L1, the half-wave rectifier diode DL1 is connected with one end 1P of an a-time coil of the transformer T2 through a filter capacitor C1, one end of the filter capacitor C1 is grounded, the half-wave rectifier diode DL1 is also connected with a 3 pole of the triode Q1 through a capacitor D1, a resistor R1 and a capacitor C2, one end 2P of the a-time coil of the transformer T2 is connected with a 2 pole of the triode Q1 through a diode D2, the diode D2 is respectively connected with a connecting wire of the rectifier diode DL1 through a capacitor C3 and a resistor R20, the 3 pole of the triode Q2 is connected with a connecting wire of the resistor R1 and the capacitor C2, the 2 pole of the triode Q2 is grounded, the 1 pole of the triode Q1 is connected with a fifth pin FS of the control chip U4 through a resistor R3, the 1 pole of the triode Q1 is connected with a second pin FE of the control chip U4, the other end of the triode Q1 is connected with a eighth pin FE of the control chip U4 through a diode D3, and the other end of the triode Q2 is connected with a third pin of the triode Q1;
one end 4P of a secondary coil b and one end 5P of a secondary coil c of the transformer T2 are connected with a seventh pin VIDN of the control chip U4 through a rectifier diode D4, and one end P6 of the secondary coil c of the transformer T2 is grounded;
the eighth pin Out2 of the control chip U4 is connected with the first pin FG of the control chip U4 through a resistor R4 and a diode RLED, the first pin FG is grounded, and a capacitor C4 and a capacitor C5 are respectively connected in parallel from inside to outside on the connection line of the eighth pin Out2 and the first pin FG.
Specifically, referring to fig. 2, 3 and 4, the voltage reducing module 2 is composed of a transformer T2, a rectifier diode D4, a control chip U4, MOS transistors N1 and P1, and a plurality of resistors, one end 4P of a secondary coil b of the transformer T2 and one end 5P of a secondary coil c of the transformer T2 are connected with a seventh pin VIDN of the control chip U4 through the rectifier diode D4, the voltage of the power line output end L1 is transformed and rectified, and then is stabilized inside the control chip U4 and then output to a 1G end of the MOS transistor N1 through a resistor R9 by a sixth pin VOUT thereof, a 3D end of the MOS transistor N1 is connected with a 1G end of the MOS transistor P1 through a resistor R10 and is connected with an eighth pin Out2 of the control chip U4, a 2S end of the MOS transistor N1 is grounded, a 2S end of the MOS transistor P1 is connected with an eighth pin Out2 of the control chip U4, and the rest of the MOS transistor N1 is stabilized by a 3D end of the MOS transistor N1, and the rest of the output ends are stabilized by a vcc+3V for use of a direct current module.
Referring to fig. 5 to 8, the MCU module 3 is connected with a MOS tube N1, a first pin VDD of the MCU module 3 is connected with a VCC end output from a 3D end of the MOS tube N1, the VCC end is connected to an eighth pin VSS of the MCU module 3 via a capacitor C42 and is grounded, a second pin A4 and a fifth pin A7 of the MCU module 3 are respectively connected to a second pin of the photosensitive detection module 5, a sixth pin A1 of the MCU module 3 is connected to a second pin of the human body induction module 4, and a fourth pin B4 of the MCU module 4 is connected to a second interface of the LED light source module 6.
More specifically, referring to fig. 5 and 7, a first pin of the photosensitive detection module 5 is connected to the VCC end of the buck module 2 through a resistor R14, a second pin is connected to a fifth pin A7 of the MCU module 3 through a resistor R18, and is connected to a second pin A4 of the MCU module 3 through a resistor R13, the photosensitive detection module 5 is connected to the human body sensing module 4 through the MCU module 3, and the photosensitive detection module 5 sends a closing or starting instruction to the human body sensing module 4 through the MCU module 3 according to a set minimum threshold of ambient light.
Further, referring to fig. 5 and 6, a first pin of the human body sensing module 4 is connected with the VCC end of the buck module 2 through a resistor R11, a second pin is connected with a sixth pin (A1 connection, a third pin is grounded) of the MCU module 3 through a resistor R12, the human body sensing module 4 is connected with the LED light source module 6 through the MCU module 3, and starts or stops detecting sensing of human body infrared information in the environment according to a start or stop instruction of the photosensitive detection module 5, once the human body infrared information is detected, the human body sensing module 4 immediately starts the LED light source module 6 to illuminate the environment, and automatically closes the LED light source module 6 according to a preset start time.
Further, referring to fig. 5 and 8, the first interface of the LED light source module 6 is connected to the VCC end of the buck module 2 through a resistor R15, the second interface is connected to the 3 pole of the triode Q3, the 1 pole of the triode Q3 is connected to the fourth pin B4 of the MCU module 3 through a resistor R16, the 2 pole of the triode Q3 is grounded, a resistor R17 is connected between the 1 pole and the 2 pole of the triode Q3, and the LED light source module 6 is connected to the human body sensing module 4 through the MCU module 3 and receives a control signal thereof, and lights on or lights off the light source according to an instruction sent by the human body sensing module 4.
Further, when the voltage AC is 18V-380V and the current AC is 220V, the current is controlled to be about less than 68uA, the voltage of about +3v and the current which is less than or equal to 5mA can be obtained for use after the voltage is reduced and stabilized by the voltage reducing module 2, and the maximum brightness of the LED light source module 6 is lightened by the control of the MCU module 3, the photosensitive detection module 5 and the human body induction module 4, so that the aim that most load lamps do not flicker is achieved.
Still further, referring to fig. 1, an adjusting switch 9 is disposed between the power taking module 1 and the live wire output end L1, when a user needs to turn off the built-in induction lighting function, the adjusting switch 9 is set in a turned-off state, and the human body induction module 4, the photosensitive detection module 5 and the LED light source module 6 are all in a non-working state, and the built-in induction lighting function cannot be started.
In addition, the embodiment also provides a single live wire switch with the built-in induction lighting function, and the single live wire switch comprises the single live wire switch circuit with the built-in induction lighting function of any embodiment.
While embodiments of the present utility model have been shown and described above, it should be emphasized that the above-described embodiments are exemplary only, and these descriptions are merely illustrative of the principles of the present utility model and should not be construed as limiting the utility model, since various equivalent changes, modifications, substitutions and alterations can be made herein within the scope of the utility model by one of ordinary skill in the art without departing from the principles and spirit of the utility model, which is intended to be within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A single live wire switch circuit with a built-in induction lighting function comprises a power taking module (1), a voltage reducing module (2), an MCU module (3), a human body induction module (4), a photosensitive detection module (5) and an LED light source module (6); the power supply device is characterized in that two input ends of the power supply module (1) are respectively connected with a live wire input end L and a live wire output end L1 connected with a load lamp (8), the output end of the power supply module (1) is connected with a voltage reduction module (2), the voltage reduction module (2) is connected with an MCU module (3), a human body induction module (4) and a photosensitive detection module (5), and the MCU module (3) is connected with the human body induction module (4), the photosensitive detection module (5) and an LED light source module (6);
the power taking module (1) is responsible for finishing half-wave power taking through alternating current positive and negative period principles from a live wire output end L1 when a mechanical switch (7) and a load lamp (8) are in a closed state, and takes the live wire input end L as direct current reference ground, stable power is provided for the MCU module (3), the human body sensing module (4), the photosensitive detection module (5) and the LED light source module (6) to use after the voltage reduction of the voltage reduction module (2), the photosensitive detection module (5) sends a starting working instruction to the human body sensing module (4) through the MCU module (3) when ambient light reaches a preset minimum threshold value, the human body sensing module (4) immediately starts sensing detection work of human body infrared signals, once human body infrared information is detected, the human body sensing module (4) starts the LED light source module (6) through the MCU module (3), the sensing illumination process of the environment is started, and the MCU module (3) automatically closes the LED light source module (6) according to a preset light-on time length, and the sensing illumination process of the environment is ended.
2. The single live wire switch circuit with the built-in induction lighting function according to claim 1, wherein the power taking module (1) is composed of a half-wave rectifier diode DL1, a filter capacitor C1, a triode Q2, a transformer T2, a control chip U4 and a plurality of other resistors, capacitors and diodes; the half-wave rectifier diode DL1 outputs direct-current positive electricity after taking electricity from a live wire output end L1, the half-wave rectifier diode DL1 is connected with one end 1P of an a-time coil of the transformer T2 through a filter capacitor C1, one end of the filter capacitor C1 is grounded, the half-wave rectifier diode DL1 is also connected with a 3 pole of the triode Q1 through a capacitor D1, a resistor R1 and a capacitor C2, one end 2P of the a-time coil of the transformer T2 is connected with a 2 pole of the triode Q1 through a diode D2, the diode D2 is respectively connected with a connecting wire of the rectifier diode DL1 through a capacitor C3 and a resistor R20, the 3 pole of the triode Q2 is connected with a connecting wire of the resistor R1 and the capacitor C2, the 2 pole of the triode Q2 is grounded, the 1 pole of the triode Q1 is connected with a fifth pin FS of the control chip U4 through a resistor R3, the 1 pole of the triode Q1 is connected with a second pin FE of the control chip U4, the other end of the triode Q1 is connected with a eighth pin FE of the control chip U4 through a diode D3, and the other end of the triode Q2 is connected with a third pin of the triode Q1;
one end 4P of a secondary coil b and one end 5P of a secondary coil c of the transformer T2 are connected with a seventh pin VIDN of the control chip U4 through a rectifier diode D4, and one end P6 of the secondary coil c of the transformer T2 is grounded;
the eighth pin Out2 of the control chip U4 is connected with the first pin FG of the control chip U4 through a resistor R4 and a diode RLED, the first pin FG is grounded, and a capacitor C4 and a capacitor C5 are respectively connected in parallel from inside to outside on the connection line of the eighth pin Out2 and the first pin FG.
3. The single-live wire switching circuit with the built-in induction lighting function according to claim 1, wherein the step-down module (2) is composed of a transformer T2, a rectifier diode D4, a control chip U4, MOS tubes N1 and P1 and a plurality of resistors, one end 4P of a secondary coil b of the transformer T2 and one end 5P of a secondary coil c of the transformer T2 are connected with a seventh pin VIDIN of the control chip U4 through the rectifier diode D4, electric transformation and rectification obtained from a live wire output end L1 are stabilized inside the control chip U4 and then output to a 1G end of a MOS tube N1 through a resistor R9 by a sixth pin VOUT thereof, a 3D end of the MOS tube N1 is connected with a 1G end of the MOS tube P1 through a resistor R10 and is connected with an eighth pin Out2 of the control chip U4 through a resistor R8, a 2S end of the MOS tube P1 is grounded, and a 2S end of the MOS tube P1 is connected with the eighth pin 2 of the control chip U4, and the rest of the MOS tube N1 is stabilized by a 3D end of the MOS tube is used for stabilizing the rest of the MOS tube.
4. The single-live wire switching circuit with the built-in induction lighting function according to claim 1, wherein the MCU module (3) is connected with a MOS tube N1, a first pin VDD of the MCU module (3) is connected with a VCC end output by a 3D end of the MOS tube N1, the VCC end is connected with an eighth pin VSS of the MCU module (3) through a capacitor C42 and grounded, a second pin A4 and a fifth pin A7 of the MCU module (3) are respectively connected with a second pin of the photosensitive detection module (5), a sixth pin A1 of the MCU module (3) is connected with a second pin of the human body induction module (4), and a fourth pin B4 of the MCU module (4) is connected with a second interface of the LED light source module (6).
5. The single live wire switch circuit with the built-in induction lighting function according to claim 1, wherein a first pin of the photosensitive detection module (5) is connected with a VCC end of the voltage reduction module (2) through a resistor R14, a second pin of the photosensitive detection module (5) is connected with a fifth pin A7 of the MCU module (3) through a resistor R18 and is connected with a second pin A4 of the MCU module (3) through a resistor R13, the photosensitive detection module (5) is connected with the human body induction module (4) through the MCU module (3), and the photosensitive detection module (5) sends a closing or starting instruction to the human body induction module (4) through the MCU module (3) according to a set minimum threshold value of ambient light.
6. The single-live wire switch circuit with the built-in induction lighting function according to claim 1, wherein a first pin of the human body induction module (4) is connected with a VCC end of the voltage reduction module (2) through a resistor R11, a second pin of the human body induction module is connected with a sixth pin A1 of the MCU module (3) through a resistor R12, a third pin of the human body induction module is grounded, the human body induction module (4) is connected with the LED light source module (6) through the MCU module (3), detection induction of human body infrared information in the environment is started or stopped according to a starting or closing instruction of the photosensitive detection module (5), once the human body infrared information is detected, the human body induction module (4) immediately starts the LED light source module (6) to illuminate the environment, and the LED light source module (6) is automatically closed according to preset starting time.
7. The single-live wire switching circuit with the built-in induction lighting function according to claim 1, wherein a first interface of the LED light source module (6) is connected with a VCC end of the buck module (2) through a resistor R15, a second interface is connected with a 3 pole of the triode Q3, a1 pole of the triode Q3 is connected with a fourth pin B4 of the MCU module (3) through a resistor R16, a 2 pole of the triode Q3 is grounded, a resistor R17 is connected between the 1 pole and the 2 pole of the triode Q3, and the LED light source module (6) is connected with the human body induction module (4) through the MCU module (3) and receives a control signal thereof to light on or off a light source according to an instruction sent by the human body induction module (4).
8. The single-live wire switch circuit with the built-in induction lighting function according to claim 1, wherein when the voltage AC is 18V-380V and the current AC is 220V, the current is controlled to be less than or equal to 68uA, the voltage is reduced and stabilized by the voltage reducing module (2) to obtain about +3v voltage and less than or equal to 5mA current, and the LED light source module (6) is enabled to be lightened at the maximum brightness under the control of the MCU module (3), the photosensitive detection module (5) and the human body induction module (4), so that the purpose that most load lamps do not flicker is guaranteed.
9. The single-live wire switch circuit with the built-in induction lighting function according to claim 1, wherein an adjusting switch (9) is arranged between the power taking module (1) and the live wire output end L1, the adjusting switch (9) is arranged in a closing state when a user needs to close the built-in induction lighting function, the human body induction module (4), the photosensitive detection module (5) and the LED light source module (6) are all in a non-working state, and the built-in induction lighting function cannot be started.
10. A single live wire switch with built-in inductive lighting function, characterized by comprising a single live wire switch circuit with built-in inductive lighting function as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321549880.9U CN220457622U (en) | 2023-06-17 | 2023-06-17 | Single-live wire switch circuit with built-in induction lighting function and switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321549880.9U CN220457622U (en) | 2023-06-17 | 2023-06-17 | Single-live wire switch circuit with built-in induction lighting function and switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220457622U true CN220457622U (en) | 2024-02-06 |
Family
ID=89732358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321549880.9U Active CN220457622U (en) | 2023-06-17 | 2023-06-17 | Single-live wire switch circuit with built-in induction lighting function and switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220457622U (en) |
-
2023
- 2023-06-17 CN CN202321549880.9U patent/CN220457622U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111342658B (en) | Single live wire electronic switch gets electric circuit topology and intelligent electronic switch who constitutes thereof | |
| CN111148320B (en) | Light control circuit of LED lamp | |
| CN220457622U (en) | Single-live wire switch circuit with built-in induction lighting function and switch | |
| CN116744505A (en) | Single-live wire switch circuit with built-in induction lighting function and switch | |
| CN202972844U (en) | Ceiling lamp capable of switching brightness levels automatically | |
| CN213783645U (en) | Light-operated lighting system | |
| US10805996B1 (en) | Dial segmented dimming circuit | |
| CN113966028A (en) | Three-section light-adjustable human body inductor | |
| CN202340340U (en) | Touch delay switch consisting of double-D-trigger | |
| CN113068288B (en) | Low-power-consumption LED dimming circuit | |
| CN108650732A (en) | A kind of linear constant current LED circuit with light-sensing function | |
| CN212413482U (en) | LED drive circuit and device | |
| CN212970169U (en) | Desk lamp control circuit with multiple control modes | |
| CN205336608U (en) | Light emitting diode (LED) constant -current driving power supply | |
| CN211429597U (en) | Light control circuit of LED lamp | |
| CN208739455U (en) | LED touch dimmer temperature driving power | |
| CN208175048U (en) | A kind of linear constant current LED circuit with light-sensing function | |
| CN111787661A (en) | Low-power consumption single live wire electronic control switch circuit | |
| CN102438382A (en) | Touch time delay switch manufactured by dual-D trigger | |
| CN206807826U (en) | A kind of intelligent light control system | |
| CN215453339U (en) | Low-brightness mode quick start circuit | |
| CN212543670U (en) | Single live wire switching power supply and wireless lighting wall dimmer comprising same | |
| CN204795737U (en) | Soft start LED driver | |
| CN219843748U (en) | Control circuit of LED lamp | |
| CN110381632A (en) | A kind of LED lamp circuit with infrared sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |