CN202949339U - Low-voltage energy-saving three-phase brushless direct current motor for ceiling fan - Google Patents
Low-voltage energy-saving three-phase brushless direct current motor for ceiling fan Download PDFInfo
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- CN202949339U CN202949339U CN 201220620778 CN201220620778U CN202949339U CN 202949339 U CN202949339 U CN 202949339U CN 201220620778 CN201220620778 CN 201220620778 CN 201220620778 U CN201220620778 U CN 201220620778U CN 202949339 U CN202949339 U CN 202949339U
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Abstract
The utility model discloses a low-voltage energy-saving three-phase brushless direct current motor for a ceiling fan. The low-voltage energy-saving three-phase brushless direct current motor comprises a rotor, a stator iron core and a control circuit board, a plurality of groups of teeth with same specifications are evenly arranged on the periphery of the stator iron core, the number of the teeth is integral multiples of the number three and is not smaller than 6, three phase windings are alternately arranged on the teeth of the stator iron core, each tooth is provided with a winding coil, and each phase winding is composed of parallelly connected winding coils which are in the same phase and are distributed on at least two teeth. By means of low-voltage power supply, the low-voltage energy-saving three-phase brushless direct current motor for the ceiling fan has advantages that the using is safe, the application ranges are wide, simultaneously, manufacturing costs are low, the energy consumption is low, heating amount is small, and noises are small; and the motor uses the control circuit board for integrated control so that electric brushes and hall positioning are eliminated, performances are stable, and the control is more convenient.
Description
Technical field
The utility model relates to a kind of motor for ceiling fan, particularly a kind of three-phase brushless dc motor of using the low-tension current driving.
Background technology
Existing family expenses ceiling fan is all generally to adopt the monophase ac capacitance-run Induction Motor-Driven, the complex structure of this motor, production cost is higher, and motor movement efficient is low, energy consumption is large, noise is large, volume is also relatively large, and the motor of general family expenses ceiling fan is more than its power reaches 60W when operation, power is larger, it is also larger that the motor feels hot, and this motor is after long-play, and the motor internal heating is large, affect the useful life of motor, serious meeting causes fire.
in order to address the above problem, a kind of ceiling-fan motor of high-quality is provided, the applicant has submitted one piece of patent application that patent name is " a kind of variable-frequency three-phase brushless permanent-magnet motor-201220089757.9 " on March 9th, 2012, a kind of three-phase brushless permanent-magnet motor is disclosed on this patent, this motor has simple in structure, volume is little, energy consumption is low, control advantage easily, but this motor mainly is applicable to the voltage range of 110V ~ 220V, be not suitable for solar powered or the low-voltage power supply such as storage battery power supply (solar energy and storage battery are generally the 12V low-voltage power supply).
And existing low voltage motor is all generally to adopt to have brushless motor to drive, its rotor profile more complicated, manufacturing procedure is many, generally need on rotor core just can work around many groups coil, the copper cash raw material have not only greatly been wasted, and electric machine structure is complicated, and production cost is higher, and the motor operational efficiency is low.Adopt brshless DC motor can address the above problem preferably as drive motors, therefore cause more and more people's concern, but conventional brshless DC motor is worked when low pressure, reduction along with voltage, electric current can increase thereupon, during electric motor starting, transient current is about 0.5A, transient current reaches 3A when running up, excessive electric current is larger for the coil impulse ratio of motor, and because electric current is larger, motor is when starting running, move discontinuous, have some setbacks, motor vibrating occurs, the phenomenon of difficulty in starting.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan, and the scope of application of this motor is wider.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan, comprise rotor, stator core and control circuit board, described stator core periphery evenly is provided with the identical tooth of many group specifications, the number of tooth is 3 integral multiple and is no less than 6, alternately be provided with three phase windings on the tooth of described stator core, be provided with a winding coil on each tooth, described each phase winding is composed in parallel by the winding coil that is distributed in the homophase on two teeth at least.The design is applicable to the low-tension supply power supply, adopt the mode of a plurality of winding coil parallel connections to shunt on the stator winding of motor, each phase winding is comprised of the coil of a plurality of parallel connections, after shunting in parallel, motor electric current on low voltage starting and when running each coil excessive situation can not occur, reduce caloric value, solved the problem of conventional brshless DC motor difficulty in starting in the low pressure situation; Simultaneously, the larger electric current that parallel way provides can improve the effect of winding coil cutting magnetic induction line in magnetic field, under identical energy conversion efficiency, the design's winding structure is saved a large amount of copper cash with traditional series system winding structure phase specific energy, reduces production costs.
As further improvement in the technical proposal, be provided with the permanent magnetic ring around stator core on described rotor.
As further improvement in the technical proposal, described control circuit board include be connected with motor speed for detection of back-emf detection module, be connected the single chip control module of carrying out data and processing with the output of detection module, be connected the remote control reception module that is used for carrying out remote control control with single chip control module, be connected driver module for drive motors with the output of single chip control module, the power module of power supply be provided for above-mentioned module.
As further improvement in the technical proposal, also include overcurrent protection module on described control circuit board, prevent from that electric current is excessive motor is caused damage, extend the useful life of motor.
As further improvement in the technical proposal, also be provided with indicator light and buzzer for prompting and warning on described control circuit board, 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.
As further improvement in the technical proposal, also comprise the decompression rectification power that is used for civil power is converted to low-tension current that is connected with control circuit board on this motor, decompression rectification power and this electric drilling match use, can make this motor also be applicable to the power supply of 110V ~ 220V, improve its scope of application.
The beneficial effects of the utility model are:
Compare with existing ceiling-fan motor, low-pressure energy-saving three-phase brushless dc motor of the present utility model adopts the mode of shunting in parallel to reduce coil current, solve the problem of conventional brshless DC motor difficulty in starting in the low pressure situation, motor adopts low-voltage power supply, safe and reliable, after supporting upper decompression rectification power, can be applicable to simultaneously mains-supplied, applied widely.Motor manufacturing cost of the present utility model is low, energy consumption is low, heating is little, noise is little, adopts simultaneously control circuit board to carry out Comprehensive Control on motor, has eliminated brush and Hall orientation, stable performance and control convenient.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the stator core construction schematic diagram of 12 teeth in motor of the present utility model;
Fig. 2 is the schematic diagram after the tooth of stator core in Fig. 1 divides three-phase;
Fig. 3 is the module frame chart of control circuit board in motor of the present utility model.
Embodiment
A kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan of the present utility model comprises rotor, stator core 1 and control circuit board.Be provided with the permanent magnetic ring around stator core on rotor.With reference to Fig. 1, stator core 1 periphery evenly is provided with the identical teeth 11 of many group specifications, and the number of tooth 11 is 3 integral multiple and is no less than 6, and in the present embodiment, the number of the tooth 11 on stator core 1 is 12; Stator winding is arranged on stator core 1 around the home, alternately be provided with three phase windings on the tooth 11 of stator core 1, be provided with a winding coil on each tooth 11,120 ° of coil windings phase phasic differences between adjacent teeth, stator core in Fig. 1 is as example, and the design's Stator windng method comprises the following steps:
1), as shown in Figure 2, tooth 11 on stator core 1 is carried out phase-splitting, wherein tooth 1-1-1,1-1-2,1-2-1,1-2-2 are the first-phase tooth, tooth 2-1-1,2-1-2,2-2-1,2-2-2 are the second-phase tooth, tooth 3-1-1,3-1-2,3-2-1,3-2-2 are the third phase tooth, the institute wired group wind the line in the direction of the clock;
2) after, all teeth 11 correctly divide three-phase, again the winding of each phase is equally divided into 2 groups, the winding coil that is numbered in the first-phase tooth on the tooth of 1-1-1,1-1-2 is the 1st group of coil, and the winding coil that is numbered in the first-phase tooth on the tooth of 1-2-1,1-2-2 is the 2nd group of coil;
3), the 1st group of coil in the first-phase tooth is numbered 1-1-1 is set as the end of a thread, is numbered 1-1-2 and is set as the line tail, the 2nd group of coil in the first-phase tooth is numbered 1-2-1 and is set as the end of a thread, is numbered 1-2-2 and is set as the line tail;
4), the 1st group of coil the end of a thread and the 2nd group of coil the end of a thread in the first-phase tooth joins, be set as the end of a thread A1 of motor first-phase, the 1st group of winding wire tail and the 2nd group of winding wire tail in the first-phase tooth join, be set as the line tail B1 of motor first-phase, complete being connected in parallel of first-phase tooth coil winding;
5), connection and the first-phase of other two-phases of three-phase low-voltage brshless DC motor be identical, the end of a thread of setting in the second-phase tooth is that A2, line tail are B2, the end of a thread in the third phase tooth is that A3, line tail are B3;
6), wired group of institute wind the line in the direction of the clock, line group end B1, B2, B3 join, the end of a thread A1, A2, A3 are the end of a thread of three-phase low-voltage brshless DC motor, directly and the driver module on control circuit board join.
In the design's stator winding, each phase winding is composed in parallel by the winding coil that is distributed in the homophase on two teeth 11 at least, the design adopts the mode of a plurality of winding coil parallel connections to shunt, each phase winding is comprised of the coil of a plurality of parallel connections, makes motor avoid coil to power on when low-voltage power supply and flows through large and the large problem of caloric value; Simultaneously, the larger electric current that parallel way provides can improve the effect of winding coil cutting magnetic induction line in magnetic field, under identical energy conversion efficiency, the design's winding structure is saved a large amount of copper cash with traditional series system winding structure phase specific energy, reduces production costs.
With reference to Fig. 3, the control circuit board in the utility model includes and detects mould 2, single chip control module 3, remote control reception module 4, driver module 5, power module 6 and overcurrent protection module 7.Detection module 2 coordinates 3 pairs of motors of single chip control module to position control for detection of back-emf and motor speed, replaces Hall orientation in the past, makes motor performance more stable, and has solved the motor short problem in useful life that adopts Hall orientation.Single chip control module 3 is mainly used in carrying out data and processes; Remote control reception module 4 can directly be inputted instruction for the design provides Long-distance Control on remote controller 9, send to single chip control module 3 after remote control reception module 4 receives and process, and makes control convenient.Driver module 5 is connected with stator winding and is used for drive motors.Power module 6 distributes power supply for above-mentioned module, and 7 of overcurrent protection module cause damage for preventing that electric current is excessive to motor, extend the useful life of motor.Also include indicator light and buzzer on control circuit board in the design, 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.
In addition, also comprise the decompression rectification power 8 that is used for civil power is converted to low-tension current that is connected with control circuit board on motor of the present utility model, decompression rectification power 8 uses with this electric drilling match, can make this motor also be applicable to the power supply of 110V ~ 220V, improves its scope of application.
Compare with existing ceiling-fan motor, low-pressure energy-saving three-phase brushless dc motor of the present utility model adopts low-voltage power supply, uses safety, after supporting upper decompression rectification power, can be applicable to simultaneously mains-supplied, and is applied widely.Motor manufacturing cost of the present utility model is low, energy consumption is low, heating is little, noise is little, adopts simultaneously control circuit board to carry out Comprehensive Control on motor, has eliminated brush and Hall orientation, stable performance and control convenient.
The above is only preferential execution mode of the present utility model, as long as within realizing that with basic identical means the technical scheme of the utility model purpose all belongs to protection range of the present utility model.
Claims (6)
1. low-pressure energy-saving three-phase brushless dc motor that is used for ceiling fan, comprise rotor, stator core (1) and control circuit board, the peripheral identical tooth (11) of many group specifications that evenly is provided with of described stator core (1), the number of tooth (11) is 3 integral multiple and is no less than 6, it is characterized in that: alternately be provided with three phase windings on the tooth (11) of described stator core (1), be provided with a winding coil on each tooth (11), described each phase winding is composed in parallel by the winding coil that is distributed in the homophase on two teeth (11) at least.
2. a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan according to claim 1, is characterized in that: be provided with the permanent magnetic ring around stator core (1) on described rotor.
3. a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan according to claim 1, it is characterized in that: described control circuit board includes for detection of the detection module of back-emf and motor speed (2), be connected with the output of detection module (2) and carry out the single chip control module (3) that data are processed, be connected with single chip control module (3) and be used for carrying out the remote control reception module (4) that remote control is controlled, be connected the driver module (5) that is used for drive motors with the output of single chip control module (3), the power module (6) of power supply is provided for above-mentioned module.
4. a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan according to claim 3, is characterized in that: also include overcurrent protection module (7) on described control circuit board.
5. a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan according to claim 3, is characterized in that: also be provided with indicator light and buzzer for prompting and warning on described control circuit board.
6. a kind of low-pressure energy-saving three-phase brushless dc motor for ceiling fan according to claim 1, is characterized in that: also comprise the decompression rectification power (8) that is used for civil power is converted to low-tension current that is connected with control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620778 CN202949339U (en) | 2012-11-21 | 2012-11-21 | Low-voltage energy-saving three-phase brushless direct current motor for ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620778 CN202949339U (en) | 2012-11-21 | 2012-11-21 | Low-voltage energy-saving three-phase brushless direct current motor for ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949339U true CN202949339U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220620778 Expired - Fee Related CN202949339U (en) | 2012-11-21 | 2012-11-21 | Low-voltage energy-saving three-phase brushless direct current motor for ceiling fan |
Country Status (1)
| Country | Link |
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| CN (1) | CN202949339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221457A (en) * | 2015-10-30 | 2016-01-06 | 江门市凯斯莱工贸有限公司 | A kind of low pressure solar energy ceiling fan of remote control Switching power |
| CN105245039A (en) * | 2015-10-30 | 2016-01-13 | 江门市凯斯莱工贸有限公司 | Solar fan adopting 12V direct current motor |
-
2012
- 2012-11-21 CN CN 201220620778 patent/CN202949339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221457A (en) * | 2015-10-30 | 2016-01-06 | 江门市凯斯莱工贸有限公司 | A kind of low pressure solar energy ceiling fan of remote control Switching power |
| CN105245039A (en) * | 2015-10-30 | 2016-01-13 | 江门市凯斯莱工贸有限公司 | Solar fan adopting 12V direct current motor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20211121 |