CN210565263U

CN210565263U - Ceiling fan control circuit with illumination function and ceiling fan

Info

Publication number: CN210565263U
Application number: CN201920790137.XU
Authority: CN
Inventors: 陶表伟
Original assignee: Shenzhen Funpower General Technology Co ltd
Current assignee: Shenzhen Funpower General Technology Co ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-05-19
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a ceiling fan control circuit and ceiling fan that possess illumination function, ceiling fan control circuit that possesses illumination function include power supply circuit, microprocessor circuit, radio frequency receiving circuit and fan motor control circuit. The power supply circuit provides working power supply for the microprocessor circuit, the fan motor control circuit and the LED lamp respectively, the radio frequency receiving circuit receives radio frequency signals, the microprocessor circuit converts the radio frequency signals into fan control signals to drive the fan motor to work when detecting that the radio frequency signals received by the radio frequency receiving circuit are fan control signals, and converts the radio frequency signals into LED lamp control signals to drive the LED lamp to work when detecting that the radio frequency signals received by the radio frequency receiving circuit are LED lamp control signals. Therefore, the technical problem that in the prior art, the control function is limited due to the fact that two microprocessor circuits are needed for controlling the integrated driving of the ceiling fan and the LED is solved.

Description

Ceiling fan control circuit with illumination function and ceiling fan

Technical Field

The utility model relates to a fan field, in particular to ceiling fan control circuit and ceiling fan that possess illumination function.

Background

At any time, the development of science and technology, ceiling fan collocation LED lamp use has become mainstream trend, and the brushless ceiling fan lamp of direct current on the market at present comprises brushless ceiling fan of direct current and light two parts, but traditional technique LED lamp need have a drive power supply alone, and direct current brushless ceiling fan controller in addition causes the installation complicacy like this, and installation space is limited, problem such as with high costs.

The existing ceiling fan and LED are driven integrally, two microprocessor circuits are needed for control, a direct current brushless ceiling fan motor is controlled by a main microprocessor circuit, the LED control is communicated by the main microprocessor circuit and an auxiliary microprocessor circuit, the main microprocessor circuit sends a control command to the auxiliary microprocessor circuit to receive the command and output a PWM control signal to control the LED; the communication between the two microprocessor circuits has hidden troubles of time delay, interference and the like, so that the control function is limited, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ceiling fan control circuit who possesses illumination function, aim at solving among the prior art ceiling fan and the integrative drive of LED and need two microprocessor circuit to control and make the limited problem of control function.

In order to achieve the above object, the present invention provides a ceiling fan control circuit with illumination function, which comprises a power circuit, a microprocessor circuit, a radio frequency receiving circuit and a fan motor control circuit, wherein the power circuit comprises an input end, a first output end, a second output end and a third output end, the microprocessor circuit comprises a power end, a first input end, a first output end and a second output end, the input end of the power circuit is connected with an alternating current power end, the first output end of the power circuit is connected with the power end of the microprocessor circuit, the second output end of the power circuit is connected with the power end of the fan motor control circuit, and the third output end of the power circuit is connected with the power end of an LED lamp; the first input end of the microprocessor circuit is connected with the output end of the radio frequency receiving circuit, the first output end of the microprocessor circuit is connected with the controlled end of the LED lamp, and the second output end of the microprocessor circuit is connected with the input end of the fan motor control circuit; the output end of the fan motor control circuit is connected with a fan motor;

the power circuit is used for respectively providing working power for the microprocessor circuit, the fan motor control circuit and the LED lamp;

the radio frequency receiving circuit is used for receiving radio frequency signals;

the microprocessor circuit is used for converting the radio frequency signal into a fan control signal to drive the fan motor to work when detecting that the radio frequency signal received by the radio frequency receiving circuit is the fan control signal; and when the radio-frequency signal received by the radio-frequency receiving circuit is detected to be an LED lamp control signal, converting the radio-frequency signal into the LED lamp control signal to drive the LED lamp to work.

Optionally, the power circuit includes a rectifying and filtering circuit, an isolated LED power circuit and a control driving power circuit, the rectifying and filtering circuit includes an input end and an output end, the isolated LED power circuit includes an input end, a first output end and a second output end, the control driving power circuit includes an input end, a first output end, a second output end and a third output end, the input end of the rectifying and filtering circuit is the input end of the power circuit, and the output end of the rectifying and filtering circuit, the input end of the isolated LED power circuit and the input end of the control driving power circuit are interconnected; the first output end of the isolation LED power circuit is the third output end of the power circuit, the second output end of the isolation LED power circuit, the first output end of the control driving power circuit and the second output end of the control driving power circuit form the first output end of the power circuit, and the third output end of the control driving power circuit forms the second output end of the power circuit.

Optionally, the microprocessor circuit comprises a microprocessor, a plurality of optical coupling isolation control circuits and a plurality of switch control circuits, the isolated LED power supply circuit further comprises a controlled end, the microprocessor comprises a power end, an LED power switch signal output end, a plurality of LED control signal output ends, a motor control signal output end and a radio frequency signal input end, the plurality of optical coupling isolation control circuits comprise an input end, an output end, a first power end and a second power end, the power end of the microprocessor is connected with the first output end of the control driving power supply circuit, the LED power switch signal output end of the microprocessor is connected with the controlled end of the isolated LED power supply circuit, the plurality of LED control signal output ends of the microprocessor are connected with the input ends of the plurality of optical coupling isolation control circuits, the motor control signal output end of the microprocessor is connected with the input end of the fan motor control circuit, the radio frequency signal input end of the microprocessor is connected with the output end of the radio frequency receiving circuit; the output ends of the plurality of optical coupling isolation control circuits are connected with the input end of the switch control circuit, and first power supply ends of the plurality of optical coupling isolation control circuits are connected with a first output end of the control driving power supply circuit; the output end of the switch control circuit is connected with the controlled end of any one LED lamp, and the power supply end of the switch control circuit, the second power supply ends of the optical coupling isolation control circuits and the second output end of the isolation LED power supply circuit are interconnected; and the first output end of the isolation LED power supply circuit is connected with the power supply end of any one LED lamp.

Optionally, the ceiling fan control circuit with the lighting function further comprises a temperature sensor and a humidity sensor, the microprocessor further comprises a temperature signal input end and a humidity signal input end, the output end of the temperature sensor is connected with the temperature signal input end of the microprocessor, and the output end of the humidity sensor is connected with the humidity signal input end of the microprocessor.

Optionally, the microprocessor is of model XX32XX 12-48.

Optionally, the plurality of optical coupling isolation control circuits include a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode, and a first optical coupling device, a first end of the first resistor is a first power supply end of the plurality of optical coupling isolation control circuits, and a second end of the first resistor, a first end of the second resistor, and a first end of the first optical coupling device are interconnected; a second end of the first optical coupler device is connected with a second end of the second resistor, a connection node of the first optical coupler device is an input end of the plurality of optical coupler isolation control circuits, a third end of the first optical coupler device, a first end of the third resistor and a cathode of the first diode are interconnected, a connection node of the first optical coupler device and the third resistor is an output end of the plurality of optical coupler isolation control circuits, and a fourth end of the first optical coupler device is connected with a first end of the fourth resistor; and the second end of the fourth resistor is a second power supply end of the optical coupling isolation control circuits, and the second end of the third resistor and the anode of the first diode are grounded.

Optionally, the switch control circuit includes a fifth resistor, a first switching tube and a first capacitor, a first end of the fifth resistor is an input end of the switch control circuit, and a second end of the fifth resistor is connected to a gate of the first switching tube; the source electrode of the first switch tube and the first end of the first capacitor are grounded, the drain electrode of the first switch tube is connected with the second end of the first capacitor, and the connection node of the first switch tube is the output end of the switch control circuit.

Optionally, the fan motor control circuit includes a first chip, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a twenty-second resistor, a twenty-third resistor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a second diode, a third triode, and a fourth triode D4, the first chip includes a first power pin, a U low side driving electric pressure pin, a V driving electric pressure pin, a W low side driving electric pressure pin, a U low side driving electric pressure pin, a V driving electric pressure pin, a, A U-phase positive input pin, a U-phase negative input pin, a V-phase positive input pin, a V-phase negative input pin, a W-phase positive input pin, a W-phase negative input pin, a U-phase output pin, a V-phase output pin, a W-phase output pin, a U-phase sampling pin, a V-phase sampling pin, a W-phase sampling pin, a grounding pin, a U-high side suspension power supply power clamp, a V-high side suspension power supply power clamp and a W-high side suspension power supply power clamp, wherein the first power pin of the first chip, the U-low side drive power clamp, the V-low side drive power clamp and the W-low side drive power clamp of the first chip are power supply terminals of the fan motor control circuit, the U-phase positive input pin, the U-phase negative input pin, the V-phase positive input pin, the V-phase negative input pin, the W-phase positive input pin and the W-phase negative input pin of the first chip form an input terminal of the fan motor control, The first end of the third capacitor, the first end of the fourth capacitor and the first end of the tenth resistor are interconnected, the V-phase output pin of the first chip, the first end of the fifth capacitor, the first end of the sixth capacitor and the first end of the twelfth resistor are interconnected, the W-phase output pin of the first chip, the first end of the seventh capacitor, the first end of the eighth capacitor and the first end of the fourteenth resistor are interconnected, the U-phase sampling pin of the first chip, the first end of the sixth resistor, the first ends of the twenty-fourth resistor and the nineteenth resistor are interconnected, the V-phase sampling pin of the first chip, the first end of the twelfth resistor and the second end of the seventh resistor are connected, the W-phase sampling pin of the first chip, the second end of the sixth resistor, the first end of the sixteenth resistor, the first end of the seventh resistor, the W-phase sampling pin of the first chip, the second end of the sixth resistor, the first end of the sixteenth resistor, the first end, A first terminal of the eighth resistor and a first terminal of the ninth resistor are interconnected, a U high side floating power supply pin of the first chip, a second terminal of the third capacitor and a cathode of the second diode are interconnected, a V high side floating power supply pin of the first chip, a second terminal of the fifth capacitor and a cathode of the third diode are interconnected, a W high side floating power supply pin of the first chip, a second terminal of the seventh capacitor and a cathode of the fourth diode are interconnected, a ground pin of the first chip, an anode of the fourth diode, a second terminal of the eighth capacitor, an anode of the third diode, a second terminal of the sixth capacitor, an anode of the second diode, a second terminal of the fourth capacitor, a second terminal of the fifteenth resistor, a second terminal of the ninth capacitor, a second terminal of the thirteenth resistor, A second end of the tenth capacitor, a second end of an eleventh resistor, a second end of the eleventh capacitor, a second end of an eighteenth resistor, a second end of the twelfth capacitor, a second end of the thirteenth capacitor, a second end of a twenty-third resistor, a second end of the fourteenth capacitor, a second end of the fifteenth capacitor, a second end of the eighth resistor, and a second end of the second capacitor are all grounded; a second end of the fourteenth resistor, a first end of the fifteenth resistor, a first end of the ninth capacitor and a W-phase voltage feedback input end of the microprocessor are interconnected; the second end of the twelfth resistor, the first end of the thirteenth resistor, the first end of the tenth capacitor and a V-phase voltage feedback input end of the microprocessor are interconnected; the second end of the tenth resistor, the first end of the eleventh capacitor and the U-phase voltage feedback input end of the microprocessor are interconnected; a second end of the sixteenth resistor, a first end of the seventeenth resistor and a second end of the eighteenth resistor are interconnected, a connection node of the sixteenth resistor, the seventeenth resistor and the eighteenth resistor is a first sampling input end of the microprocessor, and a second end of the seventeenth resistor is connected with a second output end of the isolated LED power supply circuit; a first end of the twentieth resistor, a second end of the twelfth capacitor and a second end of the nineteenth resistor are interconnected, a connection node of the twentieth resistor is a second sampling input end of the microprocessor, a second end of the twentieth resistor is connected with a first end of the thirteenth capacitor, and a connection node of the twentieth resistor is a U-phase current feedback input end of the microprocessor; the first end of the twenty-second resistor, the second end of the twenty-first resistor and the first end of the twenty-third resistor are interconnected, the connection node of the first end of the twenty-second resistor, the second end of the twenty-first resistor and the first end of the twenty-third resistor is a third sampling input end of the microprocessor, and the second end of the twenty-second resistor is connected with the second output end of the isolated LED power supply circuit; a first end of the twenty-fifth resistor, a second end of the twenty-fourth resistor, a first end of the fourteenth capacitor and a first end of the twenty-third resistor are connected, a connection node of the first end of the twenty-fifth resistor, a connection node of the first end of the twenty-fourth resistor, a connection node of the fourteenth capacitor and a connection node of the second end of the twenty-fifth resistor is a fourth sampling input end of the microprocessor, a second end of the twenty-fifth resistor is connected with a second end of the fifteenth capacitor, and a connection node of the second end of the; and the second end of the ninth resistor is connected with the first end of the second capacitor, and the connection node of the ninth resistor is a centralized feedback input end of the microprocessor.

In order to achieve the above object, the present invention further provides a ceiling fan, comprising an LED lamp, a fan motor, a radio frequency remote controller, a control box and the ceiling fan control circuit with illumination function, wherein the ceiling fan control circuit with illumination function comprises a first output end and a second output end, the control box is arranged in the ceiling fan control circuit with illumination function, the first output end of the ceiling fan control circuit with illumination function is connected to the input end of the LED lamp, the second output end of the ceiling fan control circuit with illumination function is connected to the input end of the fan motor,

the radio frequency remote controller is used for outputting a wireless control signal to the ceiling fan control circuit with the lighting function;

the ceiling fan control circuit with the lighting function is used for controlling the LED lamp and the fan motor to work according to the wireless control signal.

Optionally, the ceiling fan further comprises a fan blade, and the fan motor is rotatably connected to the fan blade.

The utility model provides a ceiling fan control circuit with illumination function, including power supply circuit, microprocessor circuit, radio frequency receiving circuit and fan motor control circuit, wherein, power supply circuit provides working power supply for microprocessor circuit, fan motor control circuit and LED lamp respectively, and radio frequency receiving circuit receives radio frequency signal, and when detecting that the radio frequency signal that radio frequency receiving circuit received is fan control signal, microprocessor circuit converts radio frequency signal into fan control signal drive fan motor work; and when the radio-frequency signal received by the radio-frequency receiving circuit is detected to be an LED lamp control signal, converting the radio-frequency signal into the LED lamp control signal to drive the LED lamp to work. At the moment, the radio frequency signal simultaneously controls the working states of the fan motor and the LED lamp through the microprocessor circuit, the purpose that the fan and the lighting LED are simultaneously controlled through the microprocessor circuit is achieved, and the problem that in the prior art, the control function is limited due to the fact that two microprocessor circuits are needed for controlling the integrated driving of the ceiling fan and the LED is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic block diagram of a ceiling fan control circuit with illumination function according to the present invention;

FIG. 2 is a block diagram of a microprocessor circuit according to the present invention;

fig. 3 is a schematic block diagram of a power circuit according to the present invention;

fig. 4 is a schematic circuit diagram of the optical coupling isolation control circuit according to the present invention;

fig. 5 is a schematic circuit diagram of the switch control circuit according to the present invention;

fig. 6 is a schematic circuit diagram of a fan motor control circuit according to the present invention;

fig. 7 is a schematic circuit diagram of a rectifying and filtering circuit according to the present invention;

fig. 8 is a schematic circuit diagram of an isolated LED power circuit according to the present invention;

fig. 9 is a circuit diagram of a control driving power circuit according to the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a ceiling fan control circuit who possesses illumination function for the ceiling fan control circuit who possesses illumination function among the solution prior art lays the technical problem that the spool needs carry out long-time installation and debugging.

In an embodiment of the utility model, as shown in fig. 1, a ceiling fan control circuit who possesses illumination function, ceiling fan control circuit who possesses illumination function includes power supply circuit 13, microprocessor circuit 11, radio frequency receiving circuit 12 and fan motor control circuit 14, power supply circuit 13 includes input, first output, second output and third output, microprocessor circuit 11 includes power end, first input, first output and second output, power supply circuit 13's input and alternating current power supply end 15 are connected, power supply circuit 13's first output with microprocessor circuit 11's power end is connected, power supply circuit 13's second output with fan motor control circuit 14's power end is connected, power supply circuit 13's third output and the power end of LED lamp 16 are connected. A first input end of the microprocessor circuit 11 is connected with an output end of the radio frequency receiving circuit 12, a first output end of the microprocessor circuit 11 is connected with a controlled end of the LED lamp 16, a second output end of the microprocessor circuit 11 is connected with an input end of the fan motor control circuit 14, and an output end of the fan motor control circuit 14 is connected with the fan motor 17.

The power circuit 13 provides working power for the microprocessor circuit 11, the fan motor control circuit 14 and the LED lamp 16, the radio frequency receiving circuit 12 receives a radio frequency signal, and the microprocessor circuit 11 converts the radio frequency signal into a fan control signal to drive the fan motor to work 17 when detecting that the radio frequency signal received by the radio frequency receiving circuit is the fan control signal. When the radio frequency signal received by the radio frequency receiving circuit is detected to be an LED lamp control signal, the radio frequency signal is converted into an LED lamp 16 control signal to drive the LED lamp 16 to work. At this time, the power circuit 13 can provide a plurality of voltages with different voltage values to the microprocessor circuit 11, the fan motor control circuit 14 and the LED lamp 16 to ensure normal operation of the three, the radio frequency signal received by the radio frequency receiving circuit 12 at this time can come from the radio frequency remote controller 18, the radio frequency transmitter, the mobile phone and other devices, which is equivalent to encoding a control instruction, the radio frequency signal can include a motor driving signal and an LED lamp driving signal, decoding operation can be performed through the microprocessor circuit 11, so as to distinguish the fan control signal from the LED lamp driving signal, the fan control signal and the LED lamp driving signal can respectively control the motor and the LED lamp 16, so that control of the motor and the LED lamp 16 can be simultaneously realized through one microprocessor circuit 11, and production and control costs are reduced.

Optionally, as shown in fig. 3 and 4, the power circuit 13 includes a rectifying and filtering circuit 131, an isolated LED power circuit 132, and a control driving power circuit 133, the rectifying and filtering circuit 131 includes an input end and an output end, the isolated LED power circuit 132 includes an input end, a first output end and a second output end, the control driving power circuit 133 includes an input end, a first output end, a second output end, and a third output end, the input end of the rectifying and filtering circuit 131 is the input end of the power circuit 13, and the output end of the rectifying and filtering circuit 131, the input end of the isolated LED power circuit 132, and the input end of the control driving power circuit 133 are interconnected. The first output end of the isolation LED power circuit 132 is the third output end of the power circuit 13, the second output end of the isolation LED power circuit 132, the first output end of the control driving power circuit 133 and the second output end of the control driving power circuit 133 form the first output end of the power circuit 13, and the third output end of the control driving power circuit 133 forms the second output end of the power circuit 13.

The rectifying and filtering circuit 131 may be the rectifying and filtering circuit 131 shown in fig. 7, and is composed of resistors R26-R29, capacitors C16-C24, a rectifying bridge DP and a first transformer T1, wherein the current flowing through the rectifying and filtering circuit 131 is filtered through the capacitors C16-C24, the input current is rectified through the rectifying bridge DP to facilitate subsequent modulation, and at this time, ACL and CAN are input ends of the rectifying and filtering circuit 131, and V1 is an output end of the rectifying and filtering circuit 131. The isolated LED power circuit 132 may be the isolated LED power circuit 132 shown in fig. 8, and is composed of resistors R30-R50, capacitors C25-C34, diodes D5-D10, a second chip U2, transistors Q2-Q3, and a second transformer T2, where V1 is an input terminal of the isolated LED power circuit 132, V6 is a first output terminal of the isolated LED power circuit 132, V9 is a third output terminal of the isolated LED power circuit 132, and V8 is a second output terminal of the isolated LED power circuit 132, at this time, the input stage and the output stage may be isolated by the second transformer T2, and various ranges of voltage values may be output due to the existence of the transformer and the second chip, so as to provide operating voltages for subsequent circuits. The control driving power circuit 133 may be the control driving power circuit 133 shown in fig. 9, and is composed of resistors R51-R60, capacitors C35-C48, diodes D11-D16, a third chip U3, a fourth transistor Q4, and a third transformer T3, where V1 is an input terminal of the control driving power circuit 133, V2 is a first output terminal of the control driving power circuit 133, V4 is a third output terminal of the control driving power circuit 133, and V5 is a second output terminal of the control driving power circuit 133, and the third transformer T3 and the third chip U3 may transform voltages to output voltages of different values to provide operating voltages for subsequent circuits. It should be noted that the above three specific circuits are only one embodiment, and various power circuits 13 that can achieve the same circuit function in the prior art are included in the scope of the present invention.

Optionally, the model of the second chip U2 and the third chip U3 is AP 8022.

Optionally, as shown in fig. 2, the microprocessor circuit 11 includes a microprocessor 111, a plurality of optical coupling isolation control circuits 112 and a plurality of switch control circuits 113, the isolation LED power supply circuit 132 further includes a controlled end, the microprocessor 111 includes a power supply end, an LED power supply switch signal output end, a plurality of LED control signal output ends, a motor control signal output end and a radio frequency signal input end, the optical coupling isolation control circuit 112 includes an input end, an output end, a first power supply end and a second power supply end, the power supply end of the microprocessor 111 is connected with the first output end of the control driving power supply circuit 133, the LED power supply switch signal output end of the microprocessor 111 is connected with the controlled end of the isolation LED power supply circuit 132, the plurality of LED control signal output ends of the microprocessor 111 are connected with the input ends of the plurality of optical coupling isolation control circuits 112, the motor control signal output end of the microprocessor 111 is connected with the input end of the fan motor control circuit 14, and the radio frequency signal input end of the microprocessor 111 is connected with the output end of the radio frequency receiving circuit 12. The output end of the optical coupling isolation control circuit 112 is connected with the input end of the switch control circuit 113, and the first power end of the optical coupling isolation control circuit 112 is connected with the first output end of the control driving power circuit 133. An output end of the switch control circuit 113 is connected to a controlled end of any one of the LED lamps 16, and a power end of the switch control circuit 113, second power ends of the plurality of optocoupler-isolation control circuits 112, and a second output end of the isolation LED power circuit 132 are interconnected. A first output terminal of the isolated LED power circuit 132 is connected to a power terminal of any of the LED lamps 16.

Wherein, microprocessor 111 exports LED control signal (PWM signal) to a plurality of on-off control circuit 113 through a plurality of optical coupling isolation control circuit 112, at this moment, optical coupling isolation control circuit 112 corresponds one to one with on-off control circuit 113, and single on-off control circuit 113 controls the regulation of the colour temperature, timing, switch, luminance, colour etc. of single LED lamp 16, at this moment, a plurality of quantity is from 1 to N inequality, can select according to actual need, microprocessor 111 at this moment can realize the simultaneous control of a plurality of LED lamps 16. In addition, the optical coupling isolation control circuit 112 isolates the microprocessor 111 from the LED lamp 16, and controls the power supply of the LED lamp 16 through the control switch control circuit 113, and further, the microprocessor 111 outputs a motor control signal to the fan motor control circuit 14 through the motor control signal output end, so as to drive the motor to work. Therefore, the synchronous control of the LED lamp 16 and the ceiling fan is realized only through one microprocessor 111, and the problem that when the LED lamp and the ceiling fan are controlled through the two microprocessors 111, a main controller needs to send an LED control signal to a slave processor to control the LED lamp 16 to work is solved, and due to the fact that data transmission needs to be carried out between the LED lamp and the slave processor, the LED lamp and the ceiling fan are limited by a communication protocol between the two microprocessor circuits 11 when a program is written. Thereby reducing the production cost and greatly expanding the functions of the LED lamp 16 and the fan motor 17. In addition, when the microprocessor 111 sends out the control signal, the LED lamp 16 and the fan motor 17 receive the control signal without time delay and interference, so that the timeliness and the accuracy of the execution of the control signal are improved.

Optionally, the ceiling fan control circuit 11 with the lighting function further includes a temperature sensor 19 and a humidity sensor 20, the microprocessor 111 further includes a temperature signal input terminal and a humidity signal input terminal, an output terminal of the temperature sensor 19 is connected to the temperature signal input terminal of the microprocessor 111, and an output terminal of the humidity sensor 20 is connected to the humidity signal input terminal of the microprocessor 111.

Wherein, temperature sensor 19 detects motor and ambient temperature, and humidity transducer 20 detects motor and ambient humidity, and microprocessor 111 carries out single judgement or comprehensive judgement to two kinds of key elements of temperature and humidity, and then control motor operation in suitable temperature and humidity scope, and this suitable temperature scope and humidity scope can refer to the original performance parameter setting of motor. The microprocessor 111 controls the motor to reduce the operation speed at high temperature or low temperature, or performs power-off protection, thereby prolonging the service life of the motor and the LED lamp 16, and preventing the efficiency of the motor and the LED from being reduced due to rusting and high and low temperatures.

In a preferred embodiment, the microprocessor 111 is of the type XX32XX 12-48.

Optionally, as shown in fig. 4, the optical coupling isolation control circuit 112 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first diode D1, and a first optical coupler device U1, a first end of the first resistor R1 is a first power supply end of the optical coupling isolation control circuit 112, and a second end of the first resistor R1, a first end of the second resistor R2, and a first end of the first optical coupler device U1 are interconnected. The second end of first opto-coupler device U1 with the second end of second resistance R2 is connected, and its connected node does the input of opto-coupler isolation control circuit 112, the third end of first opto-coupler device U1 the first end of third resistance R3 reaches the cathode interconnection of first diode D1, first opto-coupler device U1 with the connected node of third resistance R3 is the output of opto-coupler isolation control circuit 112, the fourth end of first opto-coupler device U1 with the first end of fourth resistance R4 is connected. A second end of the fourth resistor R4 is a second power supply end of the opto-isolator control circuit 112, and a second end of the third resistor R3 and an anode of the first diode D1 are grounded.

Wherein, the LED control signal passes through the second end transmission of first opto-coupler device Z1 to the fourth end of first opto-coupler device Z1, and at this moment, the second end of first opto-coupler device Z1 and the fourth end of first opto-coupler device Z1 are insulating between to avoid the damage that the heavy current probably caused the circuit, in addition, because first opto-coupler device Z1 unidirectional transmission signal, effectively avoided the interference of clutter to control signal.

Optionally, as shown in fig. 5, the switch control circuit 113 includes a fifth resistor R5, a first switch Q1, and a first capacitor C1, a first end of the fifth resistor R5 is an input end of the switch control circuit 113, and a second end of the fifth resistor R5 is connected to the gate of the first switch Q1. The source of the first switch Q1 and the first end of the first capacitor C1 are grounded, the drain of the first switch Q1 is connected to the second end of the first capacitor C1, and the connection node is the output terminal of the switch control circuit 113.

Wherein, the LED control signal controls the on and off of the first switching tube Q1, thereby controlling the adjustment of color temperature, timing, switching, brightness, color, etc. of the LED, etc.

Optionally, as shown in fig. 6, the fan-motor control circuit 14 includes a first chip U1, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C10, a twelfth capacitor C10, a fourteenth diode 10, a fourteenth capacitor C10, a fifth capacitor C10, a fourteenth capacitor C363672, a triode 363672, the first chip U1 includes a first power supply pin HV, a U low side driving voltage pin VB (U), a V low side driving voltage pin VB (V), a W low side driving voltage pin VB (W), a U phase positive input pin UHIN, a U phase negative input pin UHLIN, a V phase positive input pin VHIN, a V phase negative input pin VLIN, a W phase positive input pin WHIN, a W phase negative input pin WLIN, a U phase output pin U, V, an output pin V, W, an output pin W, U, a V phase sampling pin NV, a W phase sampling pin NW, a ground pin COM, a U high side floating power supply voltage pin VCC (U), a V high side floating power supply voltage pin VCC (V) and a W high side floating power supply voltage pin VCC (W), the first power supply pin HV of the first chip U1, the U low side driving voltage pin VB (U), the V low side driving voltage pin VB (V), the W low side driving voltage pin VB (W) of the first chip U1 are the power supply terminal control circuit of the fan 14, a U-phase positive input pin UHIN, a U-phase negative input pin UHLIN, a V-phase positive input pin VHIN, a V-phase negative input pin VLIN, a W-phase positive input pin WHIN, and a W-phase negative input pin WLIN of the first chip U1 constitute an input terminal of the fan motor control circuit 14, a U-phase output pin U of the first chip U1, a first end of the third capacitor C3, a first end of the fourth capacitor C4, and a first end of the tenth resistor R10 are interconnected, a V-phase output pin V of the first chip U1, a first end of the fifth capacitor C5, a first end of the sixth capacitor C6, and a first end of the twelfth resistor R12 are interconnected, a W-phase output pin W of the first chip U1, a first end of the seventh capacitor C7, a first end of the eighth capacitor C8, and a first end of the fourteenth resistor R3 are interconnected, a first end of the sampling pin U1 of the first chip U1, a first end of the sixth phase resistor R7374 is interconnected, First ends of the twenty-fourth and nineteenth resistors R19 are interconnected, first ends of the V-phase sampling pin NV and the twelfth resistor R12 and a second end of the seventh resistor R7 of the first chip U1 are connected, a W-phase sampling pin NW and the sixth resistor R6 of the first chip U1, a first end of the sixteenth resistor R16, a first end of the seventh resistor R7, a first end of the eighth resistor R8 and a first end of the ninth resistor R9 are interconnected, a U-high-side floating power supply VCC (U) of the first chip U1, a second end of the third capacitor C3 and a cathode of the second diode D2 are interconnected, a V-high-side floating power supply pin VCC (V) of the first chip U1, a second end of the fifth capacitor C5 and a cathode of the third diode are interconnected, and a W-high-side floating power supply pin VCC (W) of the first chip U1 is electrically connected to the second pin VCC (W-high-side floating power supply pin VCC) of the first chip U1, A second end of the seventh capacitor C7 and a cathode of the fourth diode are interconnected, a ground pin COM of the first chip U1, an anode of the fourth diode, a second end of the eighth capacitor C8, an anode of the third diode, a second end of the sixth capacitor C6, an anode of the second diode D2, a second end of the fourth capacitor C4, a second end of the fifteenth resistor R15, a second end of the ninth capacitor C9, a second end of the thirteenth resistor R13, a second end of the tenth capacitor C10, a second end of the eleventh resistor R11, a second end of the eleventh capacitor C11, a second end of the eighteenth resistor R18, a second end of the twelfth capacitor C12, a second end of the thirteenth capacitor C13, a second end of the twenty-third resistor R23, a second end of the fourteenth capacitor C14, a second end of the fifteenth capacitor C15, and a second end of the sixth capacitor C353932, A second terminal of the eighth resistor R8 and a second terminal of the second capacitor C2 are both grounded. The second terminal of the fourteenth resistor R14, the first terminal of the fifteenth resistor R15, the first terminal of the ninth capacitor C9 and the W-phase voltage feedback input terminal of the microprocessor 111 are interconnected. The second terminal of the twelfth resistor R12, the first terminal of the thirteenth resistor R13, the first terminal of the tenth capacitor C10, and the V-phase voltage feedback input terminal of the microprocessor 111 are interconnected. The second terminal of the tenth resistor R10, the first terminal of the eleventh resistor R11, the first terminal of the eleventh capacitor C11, and the U-phase voltage feedback input terminal of the microprocessor 111 are interconnected. A second terminal of the sixteenth resistor R16, a first terminal of the seventeenth resistor R17 and a second terminal of the eighteenth resistor R18 are interconnected, a connection node thereof is a first sampling input terminal of the microprocessor 111, and a second terminal of the seventeenth resistor R17 is connected with a second output terminal of the isolated LED power circuit 132. A first terminal of the twentieth resistor R20, a second terminal of the twelfth capacitor C12 and a second terminal of the nineteenth resistor R19 are interconnected, a connection node thereof is a second sampling input terminal of the microprocessor 111, a second terminal of the twentieth resistor R20 is connected with a first terminal of the thirteenth capacitor C13, a connection node thereof is a U-phase current feedback input terminal of the microprocessor 111. A first end of the twenty-second resistor R22, a second end of the twenty-first resistor R21 and a first end of the twenty-third resistor R23 are interconnected, a connection node thereof is a third sampling input end of the microprocessor 111, and a second end of the twenty-second resistor R22 is connected with a second output end of the isolated LED power circuit 132. A first end of the twenty-fifth resistor, a second end of the twenty-fourth resistor, a first end of the fourteenth capacitor C14, and a first end of the twenty-third resistor R23 are connected, a connection node thereof is a fourth sampling input terminal of the microprocessor 111, a second end of the twenty-fifth resistor is connected to a second end of the fifteenth capacitor C15, a connection node thereof is a V-phase current input terminal of the microprocessor 111, a second end of the ninth resistor R9 is connected to a first end of the second capacitor C2, and a connection node thereof is a centralized feedback input terminal of the microprocessor 111.

The microprocessor 111 outputs various control signals through the pins to synchronously control the fan and the LED lamps 16, and in the fan motor control circuit 14, the fourteenth resistor R14, the fifteenth resistor R15 and the ninth capacitor C9 form a W-phase output circuit 141. The twelfth resistor R12, the thirteenth resistor R13 and the tenth capacitor C10 constitute a V-phase output circuit 142. The tenth resistor R10, the eleventh resistor R11, and the eleventh capacitor C11 constitute a U-phase output circuit 143. The sixteenth resistor R16, the seventeenth resistor R17, the eighteenth resistor R18, the nineteenth resistor R19, the twentieth resistor R20, the twelfth capacitor C12 and the thirteenth capacitor C13 form a U-phase current sampling circuit 145. The twenty-first resistor R21, the twenty-second resistor R22, the twenty-third resistor R23, the twenty-fourth resistor, the twenty-fifth resistor, the fourteenth capacitor C14 and the fifteenth capacitor C15 form a V-phase current sampling circuit 146. The sixth resistor R6, the seventh resistor R7, the eighth resistor R8, the ninth resistor R9 and the second capacitor C2 form an electrical signal acquisition circuit 144. The microprocessor 111 can further perform fine adjustment on the operation state of the fan motor 17 or realize functions such as overcurrent and overvoltage protection and the like through the feedback parameters.

The principles of the present invention are described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9:

microprocessor 111 outputs LED control signal to opto-isolator control circuit 112 with LED control signal (PWM signal), then exports to a plurality of LED lamps 16 through a plurality of switch control circuit 113 to can realize the regulation of the colour temperature, timing, switch, luminance, colour etc. of single LED lamp 16, and at this moment, a plurality of quantity is from 1 to N inequality, can select according to actual need, microprocessor 111 at this moment can realize the simultaneous control of a plurality of LED lamps 16. In addition, the optocoupler isolates the microprocessor 111 from the LED lamp 16, and controls the power supply of the LED lamp 16 through the control switch control circuit 113, and further, the microprocessor 111 outputs a motor control signal to the fan motor control circuit 14 through the motor control signal output terminal, so as to drive the motor to operate. Therefore, the synchronous control of the LED lamp 16 and the ceiling fan can be realized only by one microprocessor 111, the problem that when the LED lamp and the ceiling fan are controlled by two microprocessors 111, a main controller needs to send an LED control signal to a slave processor to control the LED lamp 16 to work is not considered, and due to the fact that data transmission needs to be carried out between the LED lamp and the slave processor, the problem that a program is limited by a communication protocol between two microprocessor circuits 11 when the program is written is solved. Thereby reducing the production cost and greatly expanding the functions of the LED lamp 16 and the fan motor 17. In addition, when the microprocessor 111 sends out the control signal, the LED lamp 16 and the fan motor 17 receive the control signal without time delay and interference, so that the timeliness and the accuracy of the execution of the control signal are improved. In addition, the LED lamp 16 and the fan motor 17 are controlled by the same microprocessor circuit 11, so that the size of the whole circuit is simplified, and the installation space is saved. The LED lamp 16 has more optional installation positions without being influenced by the microprocessor circuit 11, and the subsequent appearance and structure design are convenient. Meanwhile, connecting wires can be reduced, so that the whole installation is more convenient.

The utility model also provides a ceiling fan, including LED lamp 16, fan motor 17, radio frequency remote controller, control box and possess the ceiling fan control circuit 11 of illumination function, the ceiling fan control circuit 11 that possesses the illumination function includes first output and second output, place in the ceiling fan control circuit 11 that possesses the illumination function the control box, the first output of the ceiling fan control circuit 11 that possesses the illumination function with LED lamp 16's input is connected, the second output of the ceiling fan control circuit 11 that possesses the illumination function with fan motor 17's input is connected.

Wherein, the radio frequency remote controller outputs a wireless control signal to the ceiling fan control circuit 11 with the lighting function. The ceiling fan control circuit 11 with the lighting function controls the LED lamp 16 and the fan motor 17 to work according to the wireless control signal.

It is worth noting, because the utility model discloses the ceiling fan has contained above-mentioned all embodiments that possess the ceiling fan control circuit 11 of illumination function, consequently the utility model discloses the ceiling fan has above-mentioned all beneficial effects that possess ceiling fan control circuit 11 of illumination function, and here is no longer repeated.

Optionally, the ceiling fan further comprises fan blades, and the fan motor 17 is rotatably connected to the fan blades.

Wherein the rotational connection may be a hinge. At this time, the fan motor 17 case drives the fan blade to perform 360-degree rotations N times.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims

1. A ceiling fan control circuit with an illumination function is characterized by comprising a power supply circuit, a microprocessor circuit, a radio frequency receiving circuit and a fan motor control circuit, wherein the power supply circuit comprises an input end, a first output end, a second output end and a third output end; the first input end of the microprocessor circuit is connected with the output end of the radio frequency receiving circuit, the first output end of the microprocessor circuit is connected with the controlled end of the LED lamp, and the second output end of the microprocessor circuit is connected with the input end of the fan motor control circuit; the output end of the fan motor control circuit is connected with a fan motor;

2. The ceiling fan control circuit with illumination function of claim 1, wherein the power circuit comprises a rectifying filter circuit, an isolated LED power circuit and a control drive power circuit, the rectifying filter circuit comprising an input and an output, the isolated LED power circuit comprising an input, a first output and a second output, the control drive power circuit comprising an input, a first output, a second output, and a third output, the rectifying filter circuit input being the power circuit input, the rectifying filter circuit output, the isolated LED power circuit input and the control drive power circuit input being interconnected; the first output end of the isolation LED power circuit is the third output end of the power circuit, the second output end of the isolation LED power circuit, the first output end of the control driving power circuit and the second output end of the control driving power circuit form the first output end of the power circuit, and the third output end of the control driving power circuit forms the second output end of the power circuit.

3. The ceiling fan control circuit with illumination function of claim 2, wherein the microprocessor circuit comprises a microprocessor, a plurality of opto-coupled isolation control circuits and a plurality of switch control circuits, the isolated LED power circuit further comprises a controlled terminal, the microprocessor comprises a power supply terminal, an LED power switch signal output terminal, a plurality of LED control signal output terminals, a motor control signal output terminal and a radio frequency signal input terminal, the plurality of opto-coupled isolation control circuits comprises an input terminal, an output terminal, a first power supply terminal and a second power supply terminal, the power supply terminal of the microprocessor is connected with the first output terminal of the control drive power circuit, the LED power switch signal output terminal of the microprocessor is connected with the controlled terminal of the isolated LED power circuit, the plurality of LED control signal output terminals of the microprocessor are connected with the input terminals of the plurality of opto-coupled isolation control circuits, the motor control signal output end of the microprocessor is connected with the input end of the fan motor control circuit, and the radio frequency signal input end of the microprocessor is connected with the output end of the radio frequency receiving circuit; the output ends of the plurality of optical coupling isolation control circuits are connected with the input end of the switch control circuit, and first power supply ends of the plurality of optical coupling isolation control circuits are connected with a first output end of the control driving power supply circuit; the output end of the switch control circuit is connected with the controlled end of any one LED lamp, and the power supply end of the switch control circuit, the second power supply ends of the optical coupling isolation control circuits and the second output end of the isolation LED power supply circuit are interconnected; and the first output end of the isolation LED power supply circuit is connected with the power supply end of any one LED lamp.

4. The ceiling fan control circuit with illumination of claim 3, wherein the ceiling fan control circuit with illumination further comprises a temperature sensor and a humidity sensor, the microprocessor further comprises a temperature signal input and a humidity signal input, an output of the temperature sensor is connected to the temperature signal input of the microprocessor, and an output of the humidity sensor is connected to the humidity signal input of the microprocessor.

5. The ceiling fan control circuit with lighting capability of claim 3 wherein the microprocessor is of the type XX32XX 12-48.

6. The ceiling fan control circuit with lighting function of claim 3, wherein said plurality of optical coupling isolation control circuits comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode and a first optical coupling device, a first end of said first resistor is a first power supply end of said plurality of optical coupling isolation control circuits, a second end of said first resistor, a first end of said second resistor and a first end of said first optical coupling device are interconnected; a second end of the first optical coupler device is connected with a second end of the second resistor, a connection node of the first optical coupler device is an input end of the plurality of optical coupler isolation control circuits, a third end of the first optical coupler device, a first end of the third resistor and a cathode of the first diode are interconnected, a connection node of the first optical coupler device and the third resistor is an output end of the plurality of optical coupler isolation control circuits, and a fourth end of the first optical coupler device is connected with a first end of the fourth resistor; and the second end of the fourth resistor is a second power supply end of the optical coupling isolation control circuits, and the second end of the third resistor and the anode of the first diode are grounded.

7. The ceiling fan control circuit with lighting function of claim 3, wherein the switch control circuit comprises a fifth resistor, a first switch tube and a first capacitor, a first end of the fifth resistor is an input end of the switch control circuit, and a second end of the fifth resistor is connected to a gate of the first switch tube; the source electrode of the first switch tube and the first end of the first capacitor are grounded, the drain electrode of the first switch tube is connected with the second end of the first capacitor, and the connection node of the first switch tube is the output end of the switch control circuit.

8. The ceiling fan control circuit with illumination function of claim 3, wherein the fan motor control circuit comprises a first chip, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a twenty-second resistor, a twenty-third resistor, a twenty-fourth resistor, a twenty-fifth resistor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a second diode, a third diode, a fourth diode, a seventh capacitor, a ninth capacitor, a tenth capacitor, a thirteenth capacitor, a twelfth capacitor, a fourteenth capacitor, a fifteenth capacitor, a second, A third triode and a fourth triode, wherein the first chip comprises a first power pin, a U low side driving voltage pin, a V low side driving voltage pin, a W low side driving voltage pin, a U phase positive electrode input pin, a U phase negative electrode input pin, a V phase positive electrode input pin, a W phase negative electrode input pin, a U phase output pin, a V phase output pin, a W phase output pin, a U phase sampling pin, a V phase sampling pin, a W phase sampling pin, a ground pin, a U high side suspension power supply voltage pin, a V high side suspension power supply voltage pin and a W high side suspension power supply voltage pin, the first power pin of the first chip, the U low side driving voltage pin, the V low side driving voltage pin and the W low side driving voltage pin of the first chip are power supply terminals of the fan motor control circuit, the U phase positive electrode input pin, the U phase negative electrode input pin, the V low side driving voltage pin, the W high side suspension power supply voltage pin and the, A V-phase positive input pin, a V-phase negative input pin, a W-phase positive input pin, and a W-phase negative input pin form an input end of the fan motor control circuit, a U-phase output pin of the first chip, a first end of the third capacitor, a first end of the fourth capacitor, and a first end of the tenth resistor are interconnected, a V-phase output pin of the first chip, a first end of the fifth capacitor, a first end of the sixth capacitor, and a first end of the twelfth resistor are interconnected, a W-phase output pin of the first chip, a first end of the seventh capacitor, a first end of the eighth capacitor, and a first end of the fourteenth resistor are interconnected, a U-phase sampling pin of the first chip, a first end of the sixth resistor, a first end of the twenty-fourth resistor, and a first end of the nineteenth resistor are interconnected, a V-phase sampling pin of the first chip, a first end of the twelfth resistor, and a second end of the seventh resistor are connected, a W-phase sampling pin of the first chip, a second end of the sixth resistor, a first end of the sixteenth resistor, a first end of the seventh resistor, a first end of the eighth resistor, and a first end of the ninth resistor are interconnected, a U-high-side floating power supply pin of the first chip, a second end of the third capacitor, and a cathode of the second diode are interconnected, a V-high-side floating power supply pin of the first chip, a second end of the fifth capacitor, and a cathode of the third diode are interconnected, a W-high-side floating power supply pin of the first chip, a second end of the seventh capacitor, and a cathode of the fourth diode are interconnected, a ground pin of the first chip, an anode of the fourth diode, a second end of the eighth capacitor, an anode of the third diode, a second end of the sixth capacitor, an anode of the second diode, a ground pin of the first chip, a cathode of the sixth diode, a cathode of the second diode, a ground pin of the sixth diode, a ground pin of the, A second end of the fourth capacitor, a second end of the fifteenth resistor, a second end of the ninth capacitor, a second end of the thirteenth resistor, a second end of the tenth capacitor, a second end of the eleventh resistor, a second end of the eleventh capacitor, a second end of the eighteenth resistor, a second end of the twelfth capacitor, a second end of the thirteenth capacitor, a second end of the twenty-third resistor, a second end of the fourteenth capacitor, a second end of the fifteenth capacitor, a second end of the eighth resistor, and a second end of the second capacitor are all grounded; a second end of the fourteenth resistor, a first end of the fifteenth resistor, a first end of the ninth capacitor and a W-phase voltage feedback input end of the microprocessor are interconnected; the second end of the twelfth resistor, the first end of the thirteenth resistor, the first end of the tenth capacitor and a V-phase voltage feedback input end of the microprocessor are interconnected; the second end of the tenth resistor, the first end of the eleventh capacitor and the U-phase voltage feedback input end of the microprocessor are interconnected; a second end of the sixteenth resistor, a first end of the seventeenth resistor and a second end of the eighteenth resistor are interconnected, a connection node of the sixteenth resistor, the seventeenth resistor and the eighteenth resistor is a first sampling input end of the microprocessor, and a second end of the seventeenth resistor is connected with a second output end of the isolated LED power supply circuit; a first end of the twentieth resistor, a second end of the twelfth capacitor and a second end of the nineteenth resistor are interconnected, a connection node of the twentieth resistor is a second sampling input end of the microprocessor, a second end of the twentieth resistor is connected with a first end of the thirteenth capacitor, and a connection node of the twentieth resistor is a U-phase current feedback input end of the microprocessor; the first end of the twenty-second resistor, the second end of the twenty-first resistor and the first end of the twenty-third resistor are interconnected, the connection node of the first end of the twenty-second resistor, the second end of the twenty-first resistor and the first end of the twenty-third resistor is a third sampling input end of the microprocessor, and the second end of the twenty-second resistor is connected with the second output end of the isolated LED power supply circuit; a first end of the twenty-fifth resistor, a second end of the twenty-fourth resistor, a first end of the fourteenth capacitor and a first end of the twenty-third resistor are connected, a connection node of the first end of the twenty-fifth resistor, a connection node of the first end of the twenty-fourth resistor, a connection node of the fourteenth capacitor and a connection node of the second end of the twenty-fifth resistor is a fourth sampling input end of the microprocessor, a second end of the twenty-fifth resistor is connected with a second end of the fifteenth capacitor, and a connection node of the second end of the; and the second end of the ninth resistor is connected with the first end of the second capacitor, and the connection node of the ninth resistor is a centralized feedback input end of the microprocessor.

9. A ceiling fan, comprising an LED lamp, a fan motor, a radio frequency remote controller, a control box and the ceiling fan control circuit with illumination function of any one of claims 1 to 8, wherein the ceiling fan control circuit with illumination function comprises a first output end and a second output end, the ceiling fan control circuit with illumination function is arranged in the control box, the first output end of the ceiling fan control circuit with illumination function is connected with the input end of the LED lamp, the second output end of the ceiling fan control circuit with illumination function is connected with the input end of the fan motor,

10. The ceiling fan of claim 9 further comprising fan blades, wherein the fan motor is rotatably coupled to the fan blades.