CN215830776U - Negative-polarity-powered fan lamp double-control circuit - Google Patents
Negative-polarity-powered fan lamp double-control circuit Download PDFInfo
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- CN215830776U CN215830776U CN202122018870.XU CN202122018870U CN215830776U CN 215830776 U CN215830776 U CN 215830776U CN 202122018870 U CN202122018870 U CN 202122018870U CN 215830776 U CN215830776 U CN 215830776U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a fan lamp double-control circuit with negative power supply, which comprises a fan lamp control circuit, a fan wall control switch and a lamp wall control switch which are respectively connected with a commercial power live wire, wherein the fan lamp control circuit is connected with a wireless receiving circuit, a fan wall control switch detection circuit, a fan driving circuit for controlling the work of a fan motor according to a wind speed gear when the fan is turned off last time or a wind speed gear remote control signal sent by a remote controller, a lamp wall control switch detection circuit, and a lamp driving circuit for controlling the work of a lamp according to a brightness lamp color when the lamp is turned off last time or a brightness lamp color remote control signal sent by the remote controller, and the fan lamp double-control circuit also comprises a negative power supply circuit which is used for taking power from the commercial power zero wire after the fan wall control switch or the lamp wall control switch is conducted and respectively supplying power to the fan lamp control circuit, the wireless receiving circuit, the fan wall control switch detection circuit and the lamp wall control switch detection circuit, the fan lamp is perfectly controlled by a single wall controller or a single remote controller.
Description
[ technical field ]
The utility model relates to a negative power supply fan lamp double-control circuit.
[ background art ]
Most of the existing fan lamps only have single control of wall control or remote control, and are inconvenient for fan lamp control; meanwhile, when the wall control circuit controls the fan or the lamp to work, the fan and the lamp need to be electrified simultaneously, and the separate and independent control function cannot be realized; part of the fan lamps are provided with wall control, remote control and other multi-control fan lamps, the circuit is complex, and the wall control input control instruction and the remote control input control instruction are easy to cause confusion, so that the control instruction is inaccurate to execute; most of the existing fan lamps are electrified through a mains supply live wire end, and the structure of a power supply circuit is complex.
[ contents of utility model ]
The utility model overcomes the defects of the technology and provides a negative-polarity-powered fan and lamp double-control circuit.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fan lamp double control circuit with negative power supply is characterized in that: the fan lamp control circuit is connected with a wireless receiving circuit for receiving remote control signals of a remote controller, a fan wall control switch detection circuit for detecting the on-off state of the fan wall control switch, a fan driving circuit for controlling the work of a fan motor according to the wind speed gear when the fan is turned off last time or the wind speed gear remote control signals sent by the remote controller, a lamp wall control switch detection circuit for detecting the on-off state of the lamp wall control switch, a lamp driving circuit for controlling the work of the lamp according to the brightness light color when the lamp is turned off last time or the brightness light color remote control signals sent by the remote controller, and the fan driving circuit is connected with the output end of the fan wall control switch, the fan lamp double-control circuit also comprises a negative power supply circuit which gets electricity from the zero line of the commercial power and supplies power to the fan lamp control circuit, the wireless receiving circuit, the fan wall control switch detection circuit and the lamp wall control switch detection circuit respectively after the fan wall control switch or the lamp wall control switch is switched on.
The negative-polarity-powered fan and lamp double-control circuit is characterized in that: the negative power supply circuit comprises a diode D5, a diode D7 and a voltage stabilizing chip U3, wherein the negative end of a diode D5 is respectively connected with one end of a resistor R18 and the output end of a fan wall control switch, the negative end of a diode D7 is respectively connected with one end of a resistor R22 and the output end of a lamp wall control switch, the positive end of a diode D5, the other end of a resistor R18, the positive end of a diode D7 and the other end of a resistor R22 are respectively grounded, a pin I of the voltage stabilizing chip U3 is respectively connected with the positive end of an electrolytic capacitor EC1 and one end of a resistor R14, a resistor R14 is connected with a mains supply zero line through a diode D6, the negative end of the electrolytic capacitor EC1 is grounded, a pin II of the voltage stabilizing chip U3 is respectively connected with one end of a capacitor C6 and the negative end of a diode D2, the other end of the capacitor C6 is respectively connected with the negative end of a diode D3, one end of a resistor R16 and one end of an inductor L3, the other end of the resistor R16 is connected with the other end of the voltage stabilizing chip U3 and the other end of the pin 3, the positive end of the diode D3 is respectively connected with one end of a resistor R19, one end of a capacitor C9 and the negative end of an electrolytic capacitor EC2, the positive end of the diode D2, the other end of the resistor R19, the other end of the capacitor C9 and the positive end of the electrolytic capacitor EC2 are respectively grounded, and the positive end of the diode D3 serving as the output end of the negative power supply circuit is respectively connected with the fan lamp control circuit, the wireless receiving circuit, the fan wall control switch detection circuit and the lamp wall control switch detection circuit.
The negative-polarity-powered fan and lamp double-control circuit is characterized in that: the fan wall control switch detection circuit comprises a photoelectric coupler U1, a pin (i) of a photoelectric coupler U1 is respectively connected with one end of a capacitor C2, one end of a resistor R4 and a cathode end of a diode D1, an anode end of a diode D1 is connected with the fan wall control switch (2) through a resistor R7 and a resistor R10, a pin (ii) of the photoelectric coupler U1, the other end of the capacitor C2 and the other end of the resistor R4 are respectively grounded, a pin (ii) of the photoelectric coupler U1 is connected with a negative polarity power supply circuit, a pin (iv) of the photoelectric coupler U1 is respectively connected with one end of a resistor R3 and the fan lamp control circuit, and the other end of the resistor R3 is grounded.
The negative-polarity-powered fan and lamp double-control circuit is characterized in that: the fan driving circuit comprises a silicon controlled rectifier TRIAC1, a silicon controlled rectifier TRIAC2 and a silicon controlled rectifier TRIAC3, a control end of the silicon controlled rectifier TRIAC2 is respectively connected with one end of a capacitor C5 and one end of a resistor R11, the other end of the resistor R11 is connected with the fan lamp control circuit, a cathode end of the silicon controlled rectifier TRIAC2 and the other end of the capacitor C5 are respectively connected with an output end of the fan wall control switch, an anode end of the silicon controlled rectifier TRIAC2 is respectively connected with one end of a resistor R6 and one end of a capacitor CB2 through an inductor L2, the other ends of the resistor R6 and the capacitor CB2 are respectively connected with the fan motor, a control end of the silicon controlled rectifier TRIAC1 is respectively connected with one end of a capacitor C3 and one end of a resistor R8, the other end of the resistor R8 is connected with the fan lamp control circuit, the other end of the resistor R8 and the other end of the capacitor C8 are respectively connected with the output end of the fan wall control switch, an anode end of the silicon controlled rectifier 8 and the other end of the capacitor CB 8 are respectively connected with the fan motor, the control end of the silicon controlled rectifier TRIAC3 is respectively connected with one end of a capacitor C4 and one end of a resistor R9, the other end of the resistor R9 is connected with a fan lamp control circuit, the cathode end of the silicon controlled rectifier TRIAC3 and the other end of the capacitor C4 are respectively connected with the output end of a fan wall control switch, and the anode end of the silicon controlled rectifier TRIAC3 is connected with a fan motor.
The negative-polarity-powered fan and lamp double-control circuit is characterized in that: the lamp wall control switch detection circuit comprises a photoelectric coupler U4, a pin U4 of the photoelectric coupler is respectively connected with one end of a resistor R15, one end of a capacitor C8 and the negative end of a diode D4, the positive end of a diode D4 is connected with the output end of the lamp wall control switch through a resistor R21, a pin U4 of the photoelectric coupler is respectively connected with the other end of a resistor R15, the other end of a capacitor C8 and one end of a resistor R20, the other end of the resistor R20 is grounded, a pin U4 of the photoelectric coupler is respectively connected with one end of a capacitor C7 and a negative power supply circuit, a pin U4 of the photoelectric coupler is respectively connected with one end of a resistor R12 and one end of a resistor R13, the other end of the resistor R12 is grounded, and the other end of the resistor R13 is respectively connected with the other end of a capacitor C7 and the fan lamp control circuit.
The negative-polarity-powered fan and lamp double-control circuit is characterized in that: the lamp driving circuit comprises a silicon controlled TRIAC4, the cathode end of the silicon controlled TRIAC4 is connected with one end of a capacitor C10 and the output end of the lamp wall control switch respectively, the control end of the silicon controlled TRIAC4 is connected with the other end of a capacitor C10 and one end of a resistor R17 respectively, the other end of the resistor R17 is connected with the fan lamp control circuit, and the anode end of the silicon controlled TRIAC4 is connected with the lamp.
The utility model has the beneficial effects that:
the utility model can independently control the on-off of the fan and the lamp through the wall control circuit; meanwhile, the fan lamp can be perfectly controlled through a single wall controller or a single remote controller, the fan lamp and the single wall controller can also be combined to implement multi-control operation on the fan, so that the flexibility of the fan lamp in use layout configuration is solved, the product configuration scheme tends to be more humanized, a remote control device can be additionally arranged in the existing wall controller environment, the working state of the fan lamp is maintained in the set operation state of a user, the circuit is simplified, and the execution accuracy of a control instruction is improved.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of the present invention.
[ detailed description of the utility model ]
The following is a more detailed description of embodiments of the utility model, taken in conjunction with the accompanying drawings of which:
as shown in fig. 1-2, a negative power supply fan-lamp double control circuit comprises a fan-lamp control circuit 1 with a plurality of fan wind speed gears and lamp color brightness information built therein, a fan-wall control switch 2 connected with a commercial power live wire for controlling the fan switch, and a lamp-wall control switch 3 connected with a commercial power live wire for controlling the lamp switch, wherein the fan-lamp control circuit 1 is connected with a wireless receiving circuit 4 for receiving remote control signals of a remote controller, a fan-wall control switch detection circuit 5 for detecting the on-off of the fan-wall control switch 2, a fan drive circuit 6 for controlling the fan motor to work according to the wind speed gears when the fan is turned off last time or wind speed gears sent by the remote controller, a lamp-wall control switch detection circuit 7 for detecting the lamp-wall control switch 3, and a lamp drive circuit 8 for controlling the lamp to work according to the brightness lamp color when the lamp is turned off last time or the brightness lamp color remote control signals sent by the remote controller, the fan drive circuit 6 is connected with the output end of the fan wall control switch 2, the lamp drive circuit 8 is connected with the output end of the lamp wall control switch 3, and the fan lamp double control circuit further comprises a negative polarity power supply circuit 9 which gets power from a commercial power zero line after the fan wall control switch 2 or the lamp wall control switch 3 is conducted and respectively supplies power to the fan lamp control circuit 1, the wireless receiving circuit 4, the fan wall control switch detection circuit 5 and the lamp wall control switch detection circuit 7.
The user respectively controls the on-off of the fan and the lamp through the fan wall control switch 2 and the lamp wall control switch 3; when the switch of the fan wall control switch 2 is closed, the negative power supply circuit 9 is electrified and supplies power to the fan lamp control circuit 1, the wireless receiving circuit 4, the fan wall control switch detection circuit 5 and the lamp wall control switch detection circuit 7 after rectification and voltage stabilization respectively, so that the fan lamp control circuit 1 and the fan wall control switch detection circuit 5 are powered to work, meanwhile, the fan wall control switch detection circuit 5 detects that the fan wall control switch 2 is closed and sends a detection signal to the fan lamp control circuit 1, and at the moment, the fan lamp control circuit 1 controls the fan drive circuit 6 to drive the fan motor to work according to the working state of the last time when the fan is closed; when the switch of the lamp wall control switch 3 is closed, the negative power supply circuit 9 is powered on, the fan lamp control circuit 1, the wireless receiving circuit 4, the fan wall control switch detection circuit 5 and the lamp wall control switch detection circuit 7 are powered on to work, meanwhile, the lamp wall control switch detection circuit 7 detects that the lamp wall control switch 3 is closed and sends a detection signal to the fan lamp control circuit 1, and at the moment, the fan lamp control circuit 1 controls the lamp driving circuit 8 to drive the lamp to work according to the working state when the lamp is closed last time. After the fan wall control switch 2 and the lamp wall control switch 3 respectively control the fan and the lamp to be powered on, a user can send a wireless remote control signal to the wireless receiving circuit 4 through the remote controller to adjust the gear of the fan, the brightness of the lamp and the color of the lamp, so that the fan and the lamp can be controlled perfectly through a single wall controller or a single remote controller, and the fan and the lamp can be controlled in a multi-element mode through the combination of the single wall controller and the single remote controller.
As shown in fig. 2, the connection structure of the negative power supply circuit 9 includes a diode D5, a diode D7 and a voltage stabilizing chip U3, a negative terminal of a diode D5 is respectively connected to one terminal of a resistor R18 and an output terminal of the fan wall control switch 2, a negative terminal of a diode D7 is respectively connected to one terminal of a resistor R22 and an output terminal of the lamp wall control switch 3, a positive terminal of a diode D5, the other terminal of a resistor R18, a positive terminal of a diode D7 and the other terminal of a resistor R22 are respectively grounded, a pin (i) of the voltage stabilizing chip U3 is respectively connected to a positive terminal of an electrolytic capacitor EC1 and one terminal of a resistor R14, a resistor R14 is connected to a neutral line of a utility power supply through a negative terminal of a diode D6, a negative terminal of an electrolytic capacitor EC1 is grounded, a pin (i) of the voltage stabilizing chip U3 is respectively connected to one terminal of a capacitor C6 and a negative terminal of a diode D2, the other terminal of a capacitor C6 is respectively connected to a negative terminal of a diode D3, one terminal of a resistor R3 and one terminal of a voltage stabilizing chip 3, the other end of the inductor L3 is grounded, the positive end of the diode D3 is respectively connected with one end of the resistor R19, one end of the capacitor C9 and the negative end of the electrolytic capacitor EC2, the positive end of the diode D2, the other end of the resistor R19, the other end of the capacitor C9 and the positive end of the electrolytic capacitor EC2 are respectively grounded, and the positive end of the diode D3 is used as the output end of the negative power supply circuit 9 and is respectively connected with the fan lamp control circuit 1, the wireless receiving circuit 4, the fan wall control switch detection circuit 5 and the lamp wall control switch detection circuit 7.
As shown in fig. 2, the connection structure of the fan wall switch detection circuit 5 includes a photo-coupler U1, a pin (i) of a U1 of the photo-coupler is respectively connected with one end of a capacitor C2, one end of a resistor R4, and a negative end of a diode D1, a positive end of a diode D1 is connected with the fan wall switch 2 through a resistor R7 and a resistor R10, a pin (ii) of a U1 of the photo-coupler, the other end of a capacitor C2, and the other end of the resistor R4 are respectively grounded, a pin (iii) of a U1 of the photo-coupler is connected with the negative power supply circuit 9, a pin (iv) of the U1 of the photo-coupler is respectively connected with one end of a resistor R3 and the fan lamp control circuit 1, and the other end of the resistor R3 is grounded.
As shown in fig. 2, the connection structure of the fan driving circuit 6 includes a thyristor TRIAC1, a thyristor TRIAC2 and a thyristor TRIAC3, a control end of the thyristor TRIAC2 is connected to one end of a capacitor C5 and one end of a resistor R11 respectively, the other end of the resistor R11 is connected to the fan lamp control circuit 1, a cathode end of the thyristor TRIAC2 and the other end of the capacitor C5 are connected to an output end of the fan wall control switch 2 respectively, an anode end of the thyristor TRIAC2 is connected to one end of a resistor R6 and one end of a capacitor CB2 respectively through an inductor L2, the other ends of the resistor R6 and the capacitor CB2 are connected to the fan motor respectively, a control end of the thyristor TRIAC1 is connected to one end of a capacitor C3 and one end of a resistor R8 respectively, the other end of the resistor R8 is connected to the fan lamp control circuit 1, a cathode end of the thyristor TRIAC1 and the other end of the capacitor C3 are connected to an output end of the fan wall control switch 2 respectively, an anode end of the thyristor TRIAC1 is connected to one end of an inductor R5 and one end of a capacitor 1 respectively through an inductor L1, the other end of the resistor R5 and the other end of the capacitor CB1 are respectively connected with the fan motor, the control end of the silicon controlled TRIAC3 is respectively connected with one end of the capacitor C4 and one end of the resistor R9, the other end of the resistor R9 is connected with the fan lamp control circuit 1, the cathode end of the silicon controlled TRIAC3 and the other end of the capacitor C4 are respectively connected with the output end of the fan wall control switch 2, and the anode end of the silicon controlled TRIAC3 is connected with the fan motor.
As shown in fig. 2, the connection structure of the lamp wall control switch detection circuit 7 includes a photo-electric coupler U4, a pin R of a photo-electric coupler U4 is connected to one end of a resistor R15, one end of a capacitor C8, and a negative end of a diode D4, a positive end of the diode D4 is connected to an output end of the lamp wall control switch 3 through a resistor R21, a pin 2 of the photo-electric coupler U4 is connected to the other end of a resistor R15, the other end of a capacitor C8, and one end of a resistor R20, the other end of the resistor R20 is grounded, a pin R4 of the photo-electric coupler U4 is connected to one end of a capacitor C7 and the negative power supply circuit 9, a pin R of the photo-electric coupler U4 is connected to one end of a resistor R12 and one end of a resistor R13, the other end of the resistor R12 is grounded, and the other end of the resistor R13 is connected to the other end of the capacitor C7 and the fan lamp control circuit 1.
As shown in fig. 2, the connection structure of the lamp driving circuit 8 includes a thyristor TRIAC4, a cathode terminal of the thyristor TRIAC4 is connected to one end of a capacitor C10 and an output terminal of the lamp wall control switch 3, a control terminal of the thyristor TRIAC4 is connected to the other end of the capacitor C10 and one end of a resistor R17, the other end of the resistor R17 is connected to the fan lamp control circuit 1, and an anode terminal of the thyristor TRIAC4 is connected to the lamp.
Claims (6)
1. A fan lamp double control circuit with negative power supply is characterized in that: comprises a fan lamp control circuit (1) internally provided with a plurality of fan wind speed gears and lamp color brightness information, a fan wall control switch (2) connected with a commercial power live wire and used for controlling the fan switch, and a lamp wall control switch (3) connected with the commercial power live wire and used for controlling the lamp switch, wherein the fan lamp control circuit (1) is connected with a wireless receiving circuit (4) used for receiving remote control signals of a remote controller, a fan wall control switch detection circuit (5) used for detecting the on-off of the fan wall control switch (2), a fan driving circuit (6) used for controlling the work of a fan motor according to the wind speed gears when the fan is turned off last time or wind speed gear remote control signals sent by the remote controller, a lamp wall control switch detection circuit (7) used for detecting the on-off of the lamp wall control switch (3), and a lamp driving circuit (8) used for controlling the work of the lamp according to the brightness lamp color when the lamp is turned off last time or the brightness lamp color remote control signals sent by the remote controller, the fan drive circuit (6) is connected with the output end of the fan wall control switch (2), the lamp drive circuit (8) is connected with the output end of the lamp wall control switch (3), and the fan lamp double-control circuit further comprises a negative polarity power supply circuit (9) which is used for taking power from a commercial power zero line and supplying power to the fan lamp control circuit (1), the wireless receiving circuit (4), the fan wall control switch detection circuit (5) and the lamp wall control switch detection circuit (7) respectively after the fan wall control switch (2) or the lamp wall control switch (3) is switched on.
2. The negative polarity powered fan and light dual control circuit of claim 1, wherein: the negative power supply circuit (9) comprises a diode D5, a diode D7 and a voltage stabilizing chip U3, wherein the negative end of the diode D5 is respectively connected with one end of a resistor R18 and the output end of a fan wall control switch (2), the negative end of the diode D7 is respectively connected with one end of a resistor R22 and the output end of a lamp wall control switch (3), the positive end of the diode D5, the other end of the resistor R18, the positive end of the diode D7 and the other end of the resistor R22 are respectively grounded, a pin U3 of the voltage stabilizing chip is respectively connected with the positive end of an electrolytic capacitor EC1 and one end of a resistor R14, a resistor R14 is connected with a commercial power supply through a diode D6, the negative end of the electrolytic capacitor EC1 is grounded, a pin U3 of the voltage stabilizing chip U3 is respectively connected with one end of a capacitor C6 and the negative end of a diode D2, the other end of the capacitor C6 is respectively connected with the negative end of a null line D3, one end of a resistor R16 and one end of an inductor L3, the other end of the resistor R16 is connected with a pin 3, the other end of the inductor L3 is grounded, the positive end of the diode D3 is respectively connected with one end of the resistor R19, one end of the capacitor C9 and the negative end of the electrolytic capacitor EC2, the positive end of the diode D2, the other end of the resistor R19, the other end of the capacitor C9 and the positive end of the electrolytic capacitor EC2 are respectively grounded, and the positive end of the diode D3 is used as the output end of the negative power supply circuit (9) and is respectively connected with the fan lamp control circuit (1), the wireless receiving circuit (4), the fan wall control switch detection circuit (5) and the lamp wall control switch detection circuit (7).
3. The negative polarity powered fan and light dual control circuit of claim 1, wherein: the fan wall control switch detection circuit (5) comprises a photoelectric coupler U1, a pin (I) of a U1 of the photoelectric coupler is respectively connected with one end of a capacitor C2, one end of a resistor R4 and the negative end of a diode D1, the positive end of a diode D1 is connected with the fan wall control switch (2) through a resistor R7 and a resistor R10, a pin (II) of the U1 of the photoelectric coupler, the other end of the capacitor C2 and the other end of the resistor R4 are respectively grounded, a pin (III) of a U1 of the photoelectric coupler is connected with a negative power supply circuit (9), a pin (IV) of the U1 of the photoelectric coupler is respectively connected with one end of a resistor R3 and the fan lamp control circuit (1), and the other end of the resistor R3 is grounded.
4. The negative polarity powered fan and light dual control circuit of claim 1, wherein: the fan driving circuit (6) comprises a silicon controlled rectifier TRIAC1, a silicon controlled rectifier TRIAC2 and a silicon controlled rectifier TRIAC3, wherein the control end of the silicon controlled rectifier TRIAC2 is respectively connected with one end of a capacitor C5 and one end of a resistor R11, the other end of the resistor R11 is connected with the fan lamp control circuit (1), the cathode end of the silicon controlled rectifier TRIAC2 and the other end of the capacitor C5 are respectively connected with the output end of the fan wall control switch (2), the anode end of the silicon controlled rectifier TRIAC2 is respectively connected with one end of a resistor R6 and one end of a capacitor CB2 through an inductor L2, the other end of the resistor R6 and the other end of the capacitor CB2 are respectively connected with the fan motor, the control end of the silicon controlled rectifier TRIAC1 is respectively connected with one end of a capacitor C3 and one end of a resistor R8, the other end of the resistor R56 is connected with the fan lamp control circuit (1), the cathode end of the silicon controlled rectifier TRIAC1 and the other end of the capacitor C3 are respectively connected with the output end of the fan wall control switch (2), the anode end of the silicon controlled rectifier TRIAC1 is respectively connected with one end of a resistor R3687458 and one end of the capacitor R1 through an inductor L827, the other end of the resistor R5 and the other end of the capacitor CB1 are respectively connected with the fan motor, the control end of the silicon controlled TRIAC3 is respectively connected with one end of the capacitor C4 and one end of the resistor R9, the other end of the resistor R9 is connected with the fan lamp control circuit (1), the cathode end of the silicon controlled TRIAC3 and the other end of the capacitor C4 are respectively connected with the output end of the fan wall control switch (2), and the anode end of the silicon controlled TRIAC3 is connected with the fan motor.
5. The negative polarity powered fan and light dual control circuit of claim 1, wherein: the lamp wall control switch detection circuit (7) comprises a photoelectric coupler U4, a pin of the photoelectric coupler U4 is connected with one end of a resistor R15, one end of a capacitor C8 and a cathode end of a diode D4 respectively, an anode end of the diode D4 is connected with an output end of the lamp wall control switch (3) through a resistor R21, a pin 2 of the photoelectric coupler U4 is connected with the other end of a resistor R15, the other end of a capacitor C8 and one end of a resistor R20 respectively, the other end of the resistor R20 is grounded, a pin of the photoelectric coupler U4 is connected with one end of a capacitor C7 and a negative power supply circuit (9) respectively, a pin (a pin) of the photoelectric coupler U4 is connected with one end of a resistor R12 and one end of a resistor R13 respectively, the other end of the resistor R12 is grounded, and the other end of the resistor R13 is connected with the other end of the capacitor C7 and the fan lamp control circuit (1) respectively.
6. The negative polarity powered fan and light dual control circuit of claim 1, wherein: the lamp driving circuit (8) comprises a silicon controlled TRIAC4, the cathode end of the silicon controlled TRIAC4 is respectively connected with one end of a capacitor C10 and the output end of the lamp wall control switch (3), the control end of the silicon controlled TRIAC4 is respectively connected with the other end of the capacitor C10 and one end of a resistor R17, the other end of the resistor R17 is connected with the fan lamp control circuit (1), and the anode end of the silicon controlled TRIAC4 is connected with the lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018870.XU CN215830776U (en) | 2021-08-25 | 2021-08-25 | Negative-polarity-powered fan lamp double-control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018870.XU CN215830776U (en) | 2021-08-25 | 2021-08-25 | Negative-polarity-powered fan lamp double-control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830776U true CN215830776U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122018870.XU Active CN215830776U (en) | 2021-08-25 | 2021-08-25 | Negative-polarity-powered fan lamp double-control circuit |
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| Country | Link |
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| CN (1) | CN215830776U (en) |
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2021
- 2021-08-25 CN CN202122018870.XU patent/CN215830776U/en active Active
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