CN215934751U - Long-distance speed control system of direct-current brushless motor of fan - Google Patents
Long-distance speed control system of direct-current brushless motor of fan Download PDFInfo
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- CN215934751U CN215934751U CN202121494315.8U CN202121494315U CN215934751U CN 215934751 U CN215934751 U CN 215934751U CN 202121494315 U CN202121494315 U CN 202121494315U CN 215934751 U CN215934751 U CN 215934751U
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Abstract
The application discloses a long distance speed control system of DC brushless motor of fan, it has a switch of connecting mains supply, a switch circuit, a voltage detection module, a power cord, a processing unit and a drive unit, but reach the effect of multistage control motor rotational speed, in the DC brushless motor field of fan, need not to use analog-to-digital conversion chip between this mains supply to this treater, there is low cost, the environmental protection, reduce the extravagant advantage of earth resource, in addition, this switch circuit and this power cord can bear this mains supply, but have the difficult decay of signal, but long distance transmission advantage.
Description
Technical Field
The present application relates to a ceiling fan, and more particularly, to a long-distance speed control system for a brushless dc motor of a fan.
Background
The fan comprises a DC brushless motor, a processor, a driver and a speed control switch device, wherein the speed control switch device is electrically connected with a mains supply AC power supply, and is provided with an analog-digital conversion chip for processing AC power supply analog signals and speed switch digital signals, so that the speed control switch device outputs digital signals to the processor, and the driver is controlled by the processor to drive the DC brushless motor to act.
However, in the existing fan products using dc brushless motors, the speed control switch device uses an analog-to-digital conversion chip to process the ac power and the speed switch, which has the disadvantages of increasing the manufacturing cost by more than 50% and consuming time for the chip manufacturing process, and each household user in the world has a high popularity of the fan, and the addition of the analog-to-digital conversion chip in the fan further causes the disadvantage of wasting the earth resources.
SUMMERY OF THE UTILITY MODEL
An object of the present application is to provide a long-distance speed control system of a dc brushless motor of a fan, which has the advantages of multi-stage speed control, long-distance transmission, low cost, environmental protection, and reduction of earth resource waste.
To achieve the above objective, the present application provides a long-distance speed control system for a brushless dc motor of a fan, which is applied to a fan having a motor that is a brushless dc motor, the long-distance speed control system for the brushless dc motor of the fan comprising: a commercial power supply, which is a commercial power supply terminal and an AC power supply and can output a first power signal; a switch, which is electrically connected with the commercial power supply to receive and transmit the first power supply signal, wherein the switch is provided with a plurality of gears for switching and can control the rotating speed of the motor, and the gears can respectively define a highest-speed gear, a plurality of speed control file positions and a closing gear corresponding to the rotating speed of the motor according to the sequence from fast to slow and stop; a switch circuit having a plurality of components and a first node, the components having an input terminal and an output terminal, the switch being selectively electrically connected to the input terminals of the components, the output terminals of the components being electrically connected to the first node, the components of the switch circuit being capable of receiving the first power signal to output a switch signal, the components being capable of defining a first conductive line and a plurality of capacitor banks, respectively, the highest speed stage of the switch corresponding to the first conductive line, the speed control file bits of the switch corresponding to the capacitor banks, respectively, the speed control file bits of the switch corresponding to the capacitor banks in order from high to low according to the order from high to low, each capacitor bank having at least one capacitor, the capacitance of each capacitor bank being different from each other, the first power signal being capable of passing through the first conductive line of the components without adjusting the first power signal, or the voltage of the first power signal can be reduced through the capacitor banks of the components, so that the switch circuit outputs the switch signal; a voltage detection module electrically connected to the first node of the switch circuit for receiving the switch signal, wherein the voltage detection module can detect, determine and process the switch signal and detect and determine the voltage of the switch signal to output a voltage detection signal, and the voltage detection module can output a second power signal; a processing unit electrically connected to the voltage detection module, the processing unit being capable of receiving the voltage detection signal and outputting a speed control signal according to the voltage detection signal; the driving unit is electrically connected with the processing unit, the voltage detection module and the motor of the fan, can receive the speed control signal and the second power signal, and can control the motor of the fan to be turned on, turned off and adjusted in speed according to the speed control signal and the second power signal.
Preferably, the voltage detecting module is electrically connected to the first node of the switch circuit through a power line, and the switch, the switch circuit and the power line can be used for receiving the commercial power.
Preferably, the apparatus further includes a wireless remote control unit capable of outputting a wireless control signal, wherein the apparatus further includes a pull control module capable of outputting a pull control signal, the processing unit is further in signal connection with the wireless remote control unit and the pull control module, the processing unit is capable of receiving the voltage detection signal, the wireless control signal and the pull control signal, and the processing unit is capable of outputting the speed control signal according to one of the voltage detection signal, the wireless control signal and the pull control signal.
As a preferred scheme, the hand-pulling control module further has a hand-pulling switch, a hand-pulling detection unit, a counting unit and a memory unit, and the hand-pulling control module can output the hand-pulling control signal according to the output results of the hand-pulling switch, the hand-pulling detection unit, the counting unit and the memory unit.
Preferably, the hand pull detection unit is electrically connected to the counting unit and the hand pull switch, the counting unit is electrically connected to the memory unit, and the processing unit is further electrically connected to the memory unit and the counting unit.
Preferably, the fan further comprises a forward/reverse control unit capable of outputting a forward/reverse signal, the processing unit is further electrically connected to the forward/reverse control unit, the processing unit is capable of receiving the forward/reverse signal to output a forward/reverse control signal, and the driving unit is capable of receiving the forward/reverse control signal to control the motor of the fan to change the direction.
Preferably, the first power signal is an ac power signal, and the second power signal is an ac power signal.
Preferably, the fan is a ceiling fan.
The utility model provides a long distance speed control system of DC brushless motor of fan, accessible this switch, this switch circuit, module and this processing unit are listened to this voltage, but reach the effect of multistage control motor rotational speed, in the DC brushless motor field of fan, need not to use analog-to-digital conversion chip between this mains supply to this treater, low cost, the environmental protection, reduce the advantage of earth's wasting of resources, in addition, this switch circuit and this power cord can bear this mains supply, and have the difficult decay of signal, but long distance transmission advantage.
Drawings
FIG. 1 is a block diagram of the preferred embodiment of the present application.
Fig. 2 is a schematic diagram of a switching circuit and a waveform state of a switching signal according to a preferred embodiment of the present application, so as to show waveforms of components of a first power signal passing through the switching circuit.
Symbolic illustrations in the drawings:
200: a fan; 201: a motor;
100: a long-distance speed control system of a DC brushless motor of the fan;
10: a mains supply;
20: a switch; 21: a gear position;
211: a highest speed file bit; 212: a speed control file bit;
2121: a next-to-next high-speed gear; 2122: a medium speed gear;
2123: a low-speed gear; 213: closing the gear;
30: a switching circuit; 31: an assembly;
311: an input end; 312: an output end;
313: a first conductive line; 314: a capacitor bank;
3141: a first capacitor bank; 3142: a second capacitor bank;
3143: a third capacitor bank; 315: a capacitor;
32: a first node;
40: a voltage detection module; 41: a power line;
50: a wireless remote control unit;
60: a hand-pulling control module; 61: a hand-pulled switch;
62: a hand pull detection unit; 63: a counting unit;
64: a memory unit;
70: a forward and reverse control unit;
80: a processing unit; 90: a drive unit.
Detailed Description
Referring to fig. 1 and fig. 2, which are a block diagram and a waveform state diagram of a long-distance speed control system 100 of a brushless dc motor of a fan according to a preferred embodiment of the present invention, the long-distance speed control system 100 is applied to a fan 200, wherein the fan 200 is a ceiling fan, the fan 200 has a motor 201, the motor 201 is a brushless dc motor, and the long-distance speed control system 100 of the brushless dc motor of the fan includes:
a commercial power source 10, which is a commercial power supply terminal and an ac power source, and can output a first power signal, wherein the first power signal is an ac power signal.
A switch 20 electrically connected to the commercial power source 10 for receiving and transmitting the first power signal, wherein the switch 20 has a plurality of levels 21 for switching and controlling the rotation speed of the motor 201, and the levels 21 corresponding to the rotation speed of the motor 201 may respectively define a highest-speed level 211, a plurality of speed control file levels 212 and a shutdown level 213 according to a sequence from fast to slow and stop, wherein the speed control file level 212 of the switch 20 respectively defines a first-time high-speed level 2121, a middle-speed level 2122 and a low-speed level 2123 according to a sequence from fast to slow, and the shutdown level 213 is used for stopping the motor 201.
A switch circuit 30 having a plurality of elements 31 and a first node 32, wherein the elements 31 respectively have an input terminal 311 and an output terminal 312, the adjacent position 21 of the switch 20 can be selectively electrically connected to the input terminal 311 of the elements 31, the output terminal 312 of the elements 31 is electrically connected to the first node 32, the elements 31 of the switch circuit 30 can respectively receive the first power signal to output a switch signal, the elements 31 can respectively define a first conductive line 313 and a plurality of capacitor banks 314, the capacitor banks 314 respectively define a first capacitor bank 3141, a second capacitor bank 3142 and a third capacitor bank 3143 according to the sequence of capacitance from large to small, the highest speed bit 211 of the switch 20 corresponds to the first conductive line 313, the speed control file 212 of the switch 20 corresponds to each of the capacitor banks 314, the speed control file 212 of the switch 20 corresponds to the high speed file 212, each capacitor bank 314 has at least one capacitor 315, and the capacitance of each capacitor bank 314 is different from each other, so that the first power signal can pass through the first wire 313 of the component 31 without adjusting the first power signal by switching the vertical position 21 of the switch 20 to be selectively electrically connected to the first wire 313 and the input terminal 311 of the capacitor bank 314, or the voltage of the first power signal can be reduced by the capacitor bank 314 of the component 31, so that the switch circuit 30 outputs the switch signal, as shown in fig. 2, which is a schematic diagram of waveform states of the switch circuit 30 and the switch signal to display the waveform of the first power signal passing through the component 31 of the switch circuit 30.
A voltage detection module 40 electrically connected to the first node 32 of the switch circuit 30 via a power line 41 for receiving the switch signal from the voltage detection module 40, the switch 20, the switch circuit 30 and the power line 41 can support the commercial power source 10, wherein, since the commercial power source 10 is a high voltage power line, the power line 41 has the advantages of less signal attenuation and long-distance transmission compared with the common digital connection line, the voltage detection module 40 can detect and determine the switching signal and the voltage of the switching signal, to output a voltage detection signal, the voltage detection module 40 further outputs a second power signal, wherein the second power signal is an ac power signal, and the switching signal, the voltage of the switching signal and the voltage detection signal have a corresponding relationship with the component 31 of the switching circuit 30 and the speed control file bits 212.
A wireless remote control unit 50, which can output a wireless control signal.
A hand-pulling control module 60 capable of outputting a hand-pulling control signal, wherein the hand-pulling control module 60 further comprises a hand-pulling switch 61, a hand-pulling detection unit 62, a counting unit 63 and a memory unit 64, the hand-pulling control module 60 can output the hand-pulling control signal according to the output results of the hand-pulling switch 61, the hand-pulling detection unit 62, the counting unit 63 and the memory unit 64, wherein the hand-pulling detection unit 62 is electrically connected with the counting unit 63 and the hand-pulling switch 61, and the counting unit 63 is electrically connected with the memory unit 64.
A forward/reverse control unit 70 outputs a forward/reverse signal.
A processing unit 80 electrically connected to the voltage detecting module 40 and the forward/reverse control unit 70, wherein the processing unit 80 is further in signal connection with the wireless remote control unit 50 and the hand-pulling control module 60, the processing unit 80 is further electrically connected to the memory unit 64 and the counting unit 63, the processing unit 80 can receive the voltage detecting signal, the wireless control signal and the hand-pulling control signal, the processing unit 80 can output a speed control signal according to one of the voltage detecting signal, the wireless control signal and the hand-pulling control signal, and the processing unit 80 can receive the forward/reverse signal to output a forward/reverse control signal.
A driving unit 90 electrically connected to the processing unit 80, the voltage detecting module 40 and the motor 201 of the fan 200, wherein the driving unit 90 can receive the speed control signal and the second power signal, the driving unit 90 can control the motor 201 of the fan 200 to turn on, turn off and adjust the speed according to the speed control signal and the second power signal, and the driving unit 90 can receive the forward/reverse control signal to control the motor 201 of the fan 200 to change the direction.
The long-distance speed control system 100 of the brushless dc motor of the fan of the present application can achieve the effect of controlling the rotational speed of the motor in multiple stages by the switch 20, the switch circuit 30, the voltage detecting module 40 and the processing unit 80, and in the field of the brushless dc motor of the fan, there is no need to use an analog-to-digital conversion chip between the commercial power supply 10 and the processor, which has the advantages of low cost, environmental protection, and reduction of the waste of earth resources, and in addition, the switch circuit 30 and the power line 41 can bear the commercial power supply 10, and have the advantages of difficult attenuation of signals and long-distance transmission.
Claims (8)
1. A long distance speed control system of DC brushless motor of fan is featured as applying it to a fan, setting a motor on fan and enabling motor to be DC brushless motor, setting long distance speed control system of DC brushless motor of fan to be as follows:
a commercial power supply, which is a commercial power supply terminal and an AC power supply and can output a first power signal;
a switch electrically connected to the mains supply for receiving and transmitting the first power signal, the switch having a plurality of profiles for switching and controlling the motor rotation speed, the plurality of profiles corresponding to the motor rotation speed being defined with a highest profile, a plurality of speed control profiles and a closed profile according to a sequence from fast to slow and stop;
a switch circuit having a plurality of components and a first node, the components having an input terminal and an output terminal, respectively, the switch being selectively electrically connected to the input terminals of the components, the output terminals of the components being electrically connected to the first node, the components of the switch circuit being capable of receiving the first power signal to output a switch signal, the components being capable of defining a first conductive line and a plurality of capacitor banks, respectively, the highest level of the switch corresponding to the first conductive line, the speed control file bits of the switch corresponding to the capacitor banks, respectively, the speed control file bits of the switch corresponding to the capacitor banks in order from high to low, respectively, each capacitor bank having at least one capacitor, each capacitor bank having a different capacitance, the first power signal being capable of passing through the first conductive line of the components without adjusting the first power signal, or the voltage of the first power signal can be reduced through the capacitor banks of the components, so that the switch circuit outputs the switch signal;
a voltage detection module electrically connected to the first node of the switch circuit for receiving the switch signal, wherein the voltage detection module can detect, determine and process the switch signal and detect and determine the voltage of the switch signal to output a voltage detection signal, and the voltage detection module can output a second power signal;
a processing unit electrically connected to the voltage detection module, the processing unit being capable of receiving the voltage detection signal and outputting a speed control signal according to the voltage detection signal;
the driving unit is electrically connected with the processing unit, the voltage detection module and the motor of the fan, can receive the speed control signal and the second power signal, and can control the motor of the fan to be turned on, turned off and adjusted in speed according to the speed control signal and the second power signal.
2. The system of claim 1, wherein the voltage detection module is electrically connected to the first node of the switch circuit via a power line, and the switch, the switch circuit and the power line can be connected to the mains power.
3. The system of claim 2, further comprising a wireless remote control unit outputting a wireless control signal, wherein the system further comprises a hand pull control module outputting a hand pull control signal, the processing unit is further in signal connection with the wireless remote control unit and the hand pull control module, the processing unit receives the voltage detection signal, the wireless control signal and the hand pull control signal, and the processing unit outputs the speed control signal according to one of the voltage detection signal, the wireless control signal and the hand pull control signal.
4. The system of claim 3, wherein the hand-pulling control module further comprises a hand-pulling switch, a hand-pulling detection unit, a counting unit and a memory unit, and the hand-pulling control module outputs the hand-pulling control signal according to the output results of the hand-pulling switch, the hand-pulling detection unit, the counting unit and the memory unit.
5. The system of claim 4, wherein the hand pull detection unit is electrically connected to the counting unit and the hand pull switch, the counting unit is electrically connected to the memory unit, and the processing unit is further electrically connected to the memory unit and the counting unit.
6. The system of claim 5 further comprising a forward/reverse control unit for outputting a forward/reverse signal, wherein the processing unit is further electrically connected to the forward/reverse control unit, the processing unit receives the forward/reverse signal to output a forward/reverse control signal, and the driving unit receives the forward/reverse control signal to control the motor of the fan to change the direction.
7. The system of claim 1, wherein the first power signal is an AC power signal and the second power signal is an AC power signal.
8. The system of claim 1, wherein the fan is a ceiling fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494315.8U CN215934751U (en) | 2021-07-02 | 2021-07-02 | Long-distance speed control system of direct-current brushless motor of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494315.8U CN215934751U (en) | 2021-07-02 | 2021-07-02 | Long-distance speed control system of direct-current brushless motor of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215934751U true CN215934751U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121494315.8U Active CN215934751U (en) | 2021-07-02 | 2021-07-02 | Long-distance speed control system of direct-current brushless motor of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215934751U (en) |
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2021
- 2021-07-02 CN CN202121494315.8U patent/CN215934751U/en active Active
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