Disclosure of utility model
The utility model overcomes the defects of the technology and provides a three-input-end fan lamp circuit.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The three-input fan lamp circuit comprises a zero line input end 10, a first live wire input end 11, a second live wire input end 12, a first rectifier bridge 21 with two input ends and two output ends, a second rectifier bridge 22 with two input ends, a common mode inductance filter module 3, a diode unidirectional conduction module 4, a polarity capacitor module 5, a main control module 6, a controlled fan motor driving module 7 controlled by the main control module 6, and a controlled light source driving module 8 controlled by the main control module 6, wherein the zero line input end 10 is connected with one input end of the first rectifier bridge 21 and one input end of the second rectifier bridge 22, the first live wire input end 11 is connected with the other input end of the first rectifier bridge 21, the second live wire input end 12 is connected with the other input end of the second rectifier bridge 22, the positive electrode of the output end of the first rectifier bridge 21 is connected with the positive electrode of the output end of the second rectifier bridge 22 and the first coil input end of the common-mode inductance filter module 3, the negative electrode of the output end of the second rectifier bridge 22 is connected with the negative electrode of the output end of the second rectifier bridge 22 and the second coil input end of the common-mode inductance filter module 3, the first coil output end of the common-mode inductance filter module 3 is connected with the positive end of the diode unidirectional conduction module 4 and then supplies power to the controlled light source driving module 8, the negative end of the diode unidirectional conduction module 4 is connected with the positive end of the polarity capacitor module 5 and then supplies power to the controlled fan motor driving module 7, the second coil output end of the common-mode inductance filter module 3 is connected with the negative end of the polarity capacitor module 5 and then serves as the grounding end of direct current, the main control module 6 is respectively connected with a first detection module 91 for detecting whether electricity exists between the first live wire input end 11 and the neutral wire input end 10, a second detection module 92 for detecting whether electricity exists between the second live wire input end 12 and the neutral wire input end 10, and a DC/DC module 15 for providing required direct current for the main control module 6, the first detection module 91 and the second detection module 92 is connected in parallel between two output ends of the polarity capacitor module 5.
Preferably, the first detection module 91 includes a diode D2, a resistor R1, an NPN triode Q1, a voltage regulator Z1, an optocoupler VT1, a resistor R2, and a resistor R3, where an anode of the diode D2 is connected to the zero line input terminal 10, a cathode of the diode D2 is connected to one end of the resistor R1 and a collector of the NPN triode Q1, another end of the resistor R1 is connected to a base of the NPN triode Q1 and a cathode of the voltage regulator Z1, an emitter of the NPN triode Q1 is connected to an anode of a light emitting diode of the optocoupler VT1, a cathode of the light emitting diode VT1 is connected to one end of the resistor R2, another end of the resistor R2 is connected to an anode of the voltage regulator Z1 and a first live wire input terminal 11, a triode collector of the optocoupler VT1 is provided with current by the DC/DC module 15, an triode emitter of the optocoupler VT1 is connected to one end of the resistor R3 and then serves as a first detection signal output terminal 91, and the other end is connected to the other end of the resistor R3.
Preferably, the second detection module 92 includes a diode D3, a resistor R4, an NPN triode Q2, a voltage regulator Z2, an optocoupler VT2, a resistor R5, and a resistor R6, where an anode of the diode D3 is connected to the zero line input terminal 10, a cathode of the diode D3 is connected to one end of the resistor R4 and a collector of the NPN triode Q2, another end of the resistor R4 is connected to a base of the NPN triode Q2 and a cathode of the voltage regulator Z2, an emitter of the NPN triode Q2 is connected to an anode of a light emitting diode of the optocoupler VT2, a cathode of the light emitting diode VT2 is connected to one end of the resistor R5, another end of the resistor R5 is connected to an anode of the voltage regulator Z2 and a second live wire input terminal 12, a triode collector of the optocoupler VT2 is provided with a direct current by the DC/DC module 15, an triode emitter of the optocoupler VT2 is connected to one end of the resistor R6, and then is connected to the other end of the resistor R6 as the second detection module, and the other end of the optocoupler VT2 is connected to the other end of the main control module 6.
Preferably, the first live wire input terminal 11 is connected in series with a fuse F1, and the detection signal input terminal of the first detection module 91 is connected to a1 point after the fuse F1.
Preferably, the controlled fan motor driving module 7 and the controlled light source driving module 8 respectively adopt controlled MOS tube switch circuits.
Preferably, the diode unidirectional conduction module 4 adopts a diode D1, the polarity capacitance module 5 adopts a polarity capacitance C2, the first coil output end of the common-mode inductance filtering module 3 is connected with the positive end of the diode D1 and then supplies power to the controlled light source driving module 8, the negative end of the diode D1 is connected with the positive end of the polarity capacitance C2 and then supplies power to the controlled fan motor driving module 7, and the second coil output end of the common-mode inductance filtering module 3 is connected with the negative end of the polarity capacitance C2 and then serves as a grounding end of direct current.
Preferably, the second live wire input terminal 12 is connected with a fuse F2 in series, and the detection signal input terminal of the second detection module 92 is connected to a2 point after the fuse F2.
Preferably, a capacitive filter module 16 is connected in parallel between the two input ends of the common mode inductance filter module 3.
Compared with the prior art, the utility model has the beneficial effects that:
1. The arrangement of the first rectifier bridge and the second rectifier bridge is convenient for carrying out alternating current-direct current conversion on three-input alternating current, the arrangement of the first detection module and the second detection module is convenient for detecting whether electricity exists between the first live wire input end and the zero line input end or not, detecting whether electricity exists between the second live wire input end and the zero line input end or not, and facilitating the master control module to control the controlled fan motor driving module and the controlled light source driving module to work according to detection results, the arrangement of the common mode inductance filtering module is favorable for restraining high-frequency interference signals, improves electrical safety and is good in practicality, the input end of the diode unidirectional conduction module is pulsating direct current, the output end of the diode unidirectional conduction module is stable direct current, two load applications are met, the pulsating direct current is supplied to the light source of the fan lamp through the controlled light source driving module, the pulsating direct current is applicable to the alternating current light source and the direct current light source, the stable direct current is supplied to the direct current motor of the fan lamp through the controlled fan motor driving module, and the stable direct current is good in stability.
Detailed Description
The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:
As shown in fig. 1 to 3, a three-input fan lamp circuit includes a zero line input end 10, a first live line input end 11, a second live line input end 12, a first rectifying bridge 21 with two output ends at two input ends, a second rectifying bridge 22 with two output ends at two input ends, a common mode inductance filtering module 3, a diode unidirectional conduction module 4, a polarity capacitance module 5, a main control module 6, a controlled fan motor driving module 7 controlled by the main control module 6, and a controlled light source driving module 8 controlled by the main control module 6, wherein the zero line input end 10 is connected with one input end of the first rectifying bridge 21 and one input end of the second rectifying bridge 22, the first live line input end 11 is connected with the other input end of the first rectifying bridge 21, the second live line input end 12 is connected with the other input end of the second rectifying bridge 22, the positive electrode of the output end of the first rectifier bridge 21 is connected with the positive electrode of the output end of the second rectifier bridge 22 and the first coil input end of the common-mode inductance filter module 3, the negative electrode of the output end of the second rectifier bridge 22 is connected with the negative electrode of the output end of the second rectifier bridge 22 and the second coil input end of the common-mode inductance filter module 3, the first coil output end of the common-mode inductance filter module 3 is connected with the positive end of the diode unidirectional conduction module 4 and then supplies power to the controlled light source driving module 8, the negative end of the diode unidirectional conduction module 4 is connected with the positive end of the polarity capacitor module 5 and then supplies power to the controlled fan motor driving module 7, the second coil output end of the common-mode inductance filter module 3 is connected with the negative end of the polarity capacitor module 5 and then serves as the grounding end of direct current, the main control module 6 is respectively connected with a first detection module 91 for detecting whether electricity exists between the first live wire input end 11 and the neutral wire input end 10, a second detection module 92 for detecting whether electricity exists between the second live wire input end 12 and the neutral wire input end 10, and a DC/DC module 15 for providing required direct current for the main control module 6, the first detection module 91 and the second detection module 92 is connected in parallel between two output ends of the polarity capacitor module 5.
As described above, in the implementation, the live wire of the external domestic electricity (ac) is connected to the first live wire input terminal 11 after passing through the first control switch, and is connected to the second live wire input terminal 12 after passing through the second control switch, and the neutral wire is directly connected to the neutral wire input terminal 10, so that the function of externally connecting two control switches of the fan lamp circuit can be realized.
As described above, the arrangement of the first rectifier bridge 21 and the second rectifier bridge 22 is convenient for performing ac-dc conversion on three-input ac, the arrangement of the first detection module 91 and the second detection module 92 is convenient for detecting whether there is electricity between the first live wire input end 11 and the neutral wire input end 10, and detecting whether there is electricity between the second live wire input end 12 and the neutral wire input end 10, so that the main control module 6 can control the controlled fan motor driving module 7 and the controlled light source driving module 8 according to the detection result, the arrangement of the common mode inductance filtering module 3 is favorable for suppressing high-frequency interference signals, improves electrical safety, and has good practicability, the input end of the diode unidirectional conduction module 4 is pulsating dc, the output end is stable dc, and satisfies two load applications, the pulsating dc is supplied to the light source of the fan lamp through the controlled light source driving module 8, and can be applied to the ac light source and the dc light source, and the stable dc is supplied to the dc motor of the fan lamp through the controlled fan motor driving module 7, and has good stability.
As shown in fig. 1 and 3, in the embodiment, the first detection module 91 includes a diode D2, a resistor R1, an NPN triode Q1, a voltage regulator Z1, an optocoupler VT1, a resistor R2, and a resistor R3, where an anode of the diode D2 is connected to the zero line input terminal 10, a cathode of the diode D2 is connected to one end of the resistor R1 and a collector of the NPN triode Q1, the other end of the resistor R1 is connected to a base of the NPN triode Q1 and a cathode of the voltage regulator Z1, an emitter of the NPN triode Q1 is connected to an anode of a light emitting diode of the optocoupler VT1, a cathode of the light emitting diode of the optocoupler VT1 is connected to one end of the resistor R2, the other end of the resistor R2 is connected to an anode of the voltage regulator Z1 and a first live wire input terminal 11, a triode collector of the optocoupler VT1 is provided with current by the DC/DC module 15, and one end of the triode of the optocoupler VT1 is connected to the resistor R3 as a main control signal input terminal 6 of the first detection module, and the other end of the triode is connected to the other detection module is connected to the output terminal 6.
As shown in fig. 2 and 3, in the embodiment, the fuse F1 is connected in series to the first live wire input terminal 11, and the detection signal input terminal of the first detection module 91 is disposed at a1 point after the fuse F1.
As described above, when the external first control switch is turned on, an alternating current is input between the first live wire input end 11 and the neutral wire input end 10, and when the light emitting diode of the optical coupler VT1 in the first detection module 91 is turned on, a signal is output to the receiving tube thereof, so that the main control module 6 determines that the external first control switch is turned on, otherwise, when the external first control switch is turned off, the detection signal input end of the main control module 6 is grounded through the resistor R3 and is at a low level.
As shown in fig. 1 and 3, in the implementation, the second detection module 92 includes a diode D3, a resistor R4, an NPN triode Q2, a voltage regulator Z2, an optocoupler VT2, a resistor R5, and a resistor R6, where an anode of the diode D3 is connected to the zero line input terminal 10, a cathode of the diode D3 is connected to one end of the resistor R4 and a collector of the NPN triode Q2, the other end of the resistor R4 is connected to a base of the NPN triode Q2 and a cathode of the voltage regulator Z2, an emitter of the NPN triode Q2 is connected to an anode of a light emitting diode of the optocoupler VT2, a cathode of the light emitting diode of the optocoupler VT2 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to an anode of the voltage regulator Z2 and a second live wire input terminal 12, a triode collector of the optocoupler VT2 is provided with a direct current by the DC/DC module 15, and an emitter of the optocoupler VT2 is connected to the one end of the resistor R6 as a signal output terminal of the second detection module 6, and the other end of the second detection module is connected to the output terminal 6.
As shown in fig. 2 and 3, in the embodiment, the fuse F2 is connected in series to the second live wire input terminal 12, and the detection signal input terminal of the second detection module 92 is disposed at a2 point after the fuse F2.
When the external second control switch is turned on, an alternating current is input between the second live wire input end 12 and the zero line input end 10, and when the light emitting diode of the optical coupler VT2 in the second detection module 92 is turned on, a signal is output to the receiving tube thereof, so that the main control module 6 judges that the external second control switch is turned on, otherwise, when the external second control switch is turned off, the detection signal input end of the main control module 6 is grounded through the resistor R6 and is at a low level.
As described above, in the implementation, the controlled fan motor driving module 7 and the controlled light source driving module 8 respectively adopt controlled MOS transistor switch circuits.
In the implementation shown in fig. 2, the diode unidirectional conduction module 4 adopts a diode D1, the polarity capacitance module 5 adopts a polarity capacitance C2, the first coil output end of the common-mode inductance filtering module 3 is connected with the positive end of the diode D1 and then supplies power to the controlled light source driving module 8, the negative end of the diode D1 is connected with the positive end of the polarity capacitance C2 and then supplies power to the controlled fan motor driving module 7, and the second coil output end of the common-mode inductance filtering module 3 is connected with the negative end of the polarity capacitance C2 and then serves as a grounding end of direct current.
As shown in fig. 2, in the implementation, a capacitive filter module 16 is connected in parallel between two input ends of the common mode inductance filter module 3.
As described above, the present disclosure protects a three-input fan lamp circuit, and all technical schemes identical or similar to the present disclosure should be shown as falling within the scope of the present disclosure.