CN202652143U - Variable frequency control circuit of ceiling fan motor - Google Patents
Variable frequency control circuit of ceiling fan motor Download PDFInfo
- Publication number
- CN202652143U CN202652143U CN2012202761516U CN201220276151U CN202652143U CN 202652143 U CN202652143 U CN 202652143U CN 2012202761516 U CN2012202761516 U CN 2012202761516U CN 201220276151 U CN201220276151 U CN 201220276151U CN 202652143 U CN202652143 U CN 202652143U
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- variable frequency
- frequency control
- fan motor
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Abstract
The utility model discloses a variable frequency control circuit of a ceiling fan motor. The variable frequency control circuit of the ceiling fan motor comprises a power supply module used for providing work power supply, a detection module used for detecting counter-electromotive force of the motor and a motor rotation speed, a one-chip microcomputer control module used for carrying out data processing and emitting control instruction, and a driving module used for driving the motor, wherein an output end of the detection module is connected with the one-chip microcomputer control module, an output end of the one-chip microcomputer control module is connected with the driving module, and the power supply module is respectively connected with each module above. The variable frequency control circuit carries out variable frequency control for the motor, can improve energy efficiency of the motor and reduces energy consumption and temperature rising of the motor, moreover, the detection module can detect the counter-electromotive force of the motor so as to determine a position of a rotor, replaces a hall position sensor on a traditional motor and enables the motor to be convenient to be installed and to be more durable.
Description
Technical field
The utility model relates to a kind of variable frequency control loop machine of motor accessory, particularly a kind of ceiling-fan motor.
Background technology
Existing family expenses ceiling fan generally all is to adopt the monophase ac capacitance-run Induction Motor-Driven, be provided with the hall position sensor for detection of rotor-position on this motor, complex structure, the energy consumption of motor is high, noise is large, volume is large, and the motor of general family expenses ceiling fan its power when operation reaches more than the 60W, and power is large, it is large that the motor feels hot, temperature rise is fast, and behind long-play, the motor internal temperature can rise to a high value, affect the useful life of motor, serious meeting causes fire; Owing to the hall position sensor non-refractory on the motor, fearness static, motor is used again under the adverse circumstances simultaneously, hall position sensor easily damages, and makes motor often need to safeguard.
The applicant designs a kind of three-phase dc variable-frequency motor, the traditional single-phase asynchronous motor of this variable-frequency motor contrast, have that energy consumption is low, temperature rise is little, volume is little, running noise is low, the advantage of safety durable, can replace the power source that the traditional single phase asynchronous machine becomes the family expenses ceiling fan.And this three-phase dc variable-frequency motor need to use the variable frequency control loop of coupling to control.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of variable frequency control loop of ceiling-fan motor, and motor is carried out variable frequency control, reduces the energy consumption of motor, realizes energy-conserving and environment-protective.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of variable frequency control loop of ceiling-fan motor, comprise be used to the power module that working power is provided, for detection of the detection module of winding back emf and motor speed, be used for carrying out the driver module that data were processed and sent the single chip control module of control command, are used for drive motors, the output of described detection module connects single chip control module, the output of described single chip control module connects driver module, and described power module connects respectively above-mentioned modules.
As further improvement in the technical proposal, described variable frequency control also includes the remote control reception module in the loop, the output of remote control reception module connects single chip control module, the remote control reception module is used for receiving the signal of the remote controller that mates, can directly carry out remote control to motor by remote controller, more convenient to operate.
As further improvement in the technical proposal, described driver module is connected with for the current foldback circuit that current of electric is carried out overcurrent protection, prevents from that electric current is excessive motor is caused damage, makes motor use safety more and prolongs useful life of motor.
As further improvement in the technical proposal, described single chip control module also is connected with for the indicating module that shows motor status, described indicating module comprises indicator light and buzzer, indicator light can be used for the operating state of indication motor, buzzer can be used for fault alarm, makes the user can in time recognize the operating state of motor.
As further improvement in the technical proposal, described power module is provided with filter circuit and rectifying and voltage-stabilizing loop.
As further improvement in the technical proposal, the input voltage of described power module is 80 ~ 250V, the input terminal voltage of wideband makes the design's the scope of application wider, can be applied in the voltage environment of 110V and 220V, works as simultaneously voltage instability and regularly also can work.
The beneficial effects of the utility model are: adopt variable frequency control of the present utility model loop that motor is carried out variable frequency control, motor can be made in the situation that low voltage, electric current normal operation, greatly reduce the energy consumption of motor, the motor of variable frequency control its energy consumption when identical power output only have the traditional single phase asynchronous machine 1/2nd or lower, the efficiency of Effective Raise motor, the temperature rise when reducing machine operation; Thereby detection module can detect the position of determining rotor to winding back emf, replaces the hall position sensor on the conventional motors, makes motor easier for installation and more durable.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is circuit module block diagram of the present utility model;
Fig. 2 is schematic diagram of the present utility model;
Fig. 3 is the circuit theory diagrams of power module;
Fig. 4 is the circuit theory diagrams of detection module;
Fig. 5 is the circuit theory diagrams of single chip control module;
Fig. 6 is the circuit theory diagrams of driver module;
Fig. 7 is the circuit theory diagrams of remote control reception module;
Fig. 8 is current foldback circuit;
Fig. 9 is the circuit theory diagrams of indication module.
Drawing reference numeral explanation: 1, power module, 2, detection module, 3, single chip control module, 4, driver module, 5, the remote control reception module, 6, current foldback circuit, 7, indicating module, 8, remote controller.
Embodiment
Referring to figs. 1 through Fig. 9, the variable frequency control loop of a kind of ceiling-fan motor of the present utility model comprises power module 1, detection module 2, single chip control module 3, driver module 4.Power module 1 is used to all loops on the variable frequency control loop that the working power of voltage stabilization is provided, power module 1 is optionally connected to enter alternating current or direct current, the value range of its input voltage is 80 ~ 250V, includes filter circuit and rectifying and voltage-stabilizing loop in the power module 1; Detection module 2 is for detection of winding back emf and motor speed, is the position that the back electromotive force that produces can be determined rotor by catching motor in rotation, replaces the hall position sensor on the traditional single phase asynchronous machine; The output of detection module 2 connects single chip control module 3, and single chip control module 3 is used for carrying out the data processing and motor is sent control command; The output of single chip control module 3 connects driver module 4, and the output of described driver module 4 connects the winding coil of motor, is used for the drive motors running.
Adopt variable frequency control of the present utility model loop to drive the motor of control, owing to adopting the back electromotive force detection technique to replace hall position sensor, do not need to arrange hall position sensor on the motor, reduced the lead-out wire of motor, reduce production cost, simplified the installation steps of motor, prolonged motor useful life, motor also can use under the adverse circumstances such as high temperature, humidity, greatly improves the scope of application of motor; The motor of variable frequency control can be in the situation that low voltage, electric current normal operation, greatly reduce the energy consumption of motor, when for example driving general family expenses ceiling fan running, the power of electrical consumption electric energy is below 30W, when identical power output its energy consumption only have the traditional single phase asynchronous machine 1/2nd or lower, the efficiency of Effective Raise motor; Temperature rise during simultaneously variable-frequency motor work is little, and is safer when motor uses, and further prolongs the useful life of motor.By variable frequency control of the present utility model loop also can control motor realize forward, counter-rotating, start, stop, regularly, the operation such as stepless speed regulation.
In addition, also be provided with the remote control reception module 5 for remote controller 8 signals that receive coupling on the design's the variable frequency control loop, the output of remote control reception module 5 connects single chip control module 3, the user can select the line traffic control mode to control ceiling-fan motor or use a teleswitch 8 to carry out remote control, more convenient to operate flexibly; Be connected with current foldback circuit 6 on the driver module 4, current foldback circuit 6 is by single chip control module 3 control, prevents from that drive current is excessive motor is caused damage; Also be connected with on the described single chip control module 3 for the indicating module 7 that shows motor status, indicating module 7 includes indicator light and buzzer, indicator light can be used for the operating state of indication motor, and buzzer can be used for fault alarm, makes the user can in time recognize the operating state of motor.
The above only is preferential execution mode of the present utility model, as long as realize that with basic identical means the technical scheme of the utility model purpose all belongs within the protection range of the present utility model.
Claims (6)
1. the variable frequency control loop of a ceiling-fan motor, it is characterized in that: comprise be used to the power module that working power is provided (1), for detection of the detection module (2) of winding back emf and motor speed, be used for carrying out the driver module (4) that data were processed and sent the single chip control module (3) of control command, are used for drive motors, the output of described detection module (2) connects single chip control module (3), the output of described single chip control module (3) connects driver module (4), and described power module (1) connects respectively above-mentioned modules.
2. the variable frequency control loop of a kind of ceiling-fan motor according to claim 1 is characterized in that: also include remote control reception module (5), the output connection single chip control module (3) of described remote control reception module (5).
3. the variable frequency control loop of a kind of ceiling-fan motor according to claim 1, it is characterized in that: described driver module (4) is connected with for the current foldback circuit (6) that current of electric is carried out overcurrent protection.
4. the variable frequency control loop of a kind of ceiling-fan motor according to claim 1, it is characterized in that: described single chip control module (3) also is connected with for the indicating module (7) that shows motor status, and described indicating module (7) comprises indicator light and buzzer.
5. the variable frequency control loop of a kind of ceiling-fan motor according to claim 1, it is characterized in that: described power module (1) is provided with filter circuit and rectifying and voltage-stabilizing loop.
6. the variable frequency control loop of a kind of ceiling-fan motor according to claim 5, it is characterized in that: the input voltage of described power module (1) is 80 ~ 250V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202761516U CN202652143U (en) | 2012-06-12 | 2012-06-12 | Variable frequency control circuit of ceiling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202761516U CN202652143U (en) | 2012-06-12 | 2012-06-12 | Variable frequency control circuit of ceiling fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652143U true CN202652143U (en) | 2013-01-02 |
Family
ID=47421175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202761516U Ceased CN202652143U (en) | 2012-06-12 | 2012-06-12 | Variable frequency control circuit of ceiling fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202652143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054876A (en) * | 2021-03-17 | 2021-06-29 | 林国尊 | Sensorless brushless DC motor control device and method for ceiling fan |
-
2012
- 2012-06-12 CN CN2012202761516U patent/CN202652143U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054876A (en) * | 2021-03-17 | 2021-06-29 | 林国尊 | Sensorless brushless DC motor control device and method for ceiling fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180328 Decision number of declaring invalidation: 35324 Granted publication date: 20130102 |
|
| IW01 | Full invalidation of patent right |