CN201994802U - Multiphase outer rotor type variable-frequency induction motor for fan - Google Patents
Multiphase outer rotor type variable-frequency induction motor for fan Download PDFInfo
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- CN201994802U CN201994802U CN2011200621278U CN201120062127U CN201994802U CN 201994802 U CN201994802 U CN 201994802U CN 2011200621278 U CN2011200621278 U CN 2011200621278U CN 201120062127 U CN201120062127 U CN 201120062127U CN 201994802 U CN201994802 U CN 201994802U
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Abstract
The utility model discloses a multiphase outer rotor type variable-frequency induction motor for a fan, which comprises a casing, an outer rotor, a stator and a control unit, wherein the casing comprises a plurality of blade installing parts, the outer rotor is fixed in the casing and comprises a stator installing part and an outer rotor body, the outer rotor body surrounds the stator installing part and is provided with a plurality of cast-in grooves and a plurality of conducting materials, and the conducting materials are respectively cast into the cast-in grooves. The stator is arranged in the stator installing part and comprises a central shaft, a stator iron core and a winding, the center shaft extends along an axis and is pivoted with the casing, the stator iron core extends in the radial direction of the center shaft and is provided with a plurality of uniformly distributed winding grooves, and the winding is wound in the winding grooves and is in multiphase configuration winding. The control unit is electrically connected with the winding, and the power supply frequency introduced into the winding can be changed.
Description
Technical field
The utility model relates to a kind of motor that is used for fan, the heterogeneous external-rotor-type variable frequency induction motor that particularly a kind of fan is used.
Background technology
The design of general ceiling fan motor is to adopt the structure that exchanges single-phase squirral cage induction motor, and this ceiling fan motor can drive a plurality of flabellum runnings by the rotation of a cage rotor, and then produces air flows, reaches the function of regulating indoor temperature.
As shown in Figure 1, general ceiling fan motor 100 adopts the single-phase induction motor of squirrel-cage external rotor usually, and this ceiling fan motor 100 is in order to drive an external rotor 11, then need in this external rotor 11, to be provided with a stator core 12, and a plurality of coils 13 that are set around in this stator core 12, by a single phase poaer supply being fed described coil 13, then by the phase-splitting of main winding and auxiliary winding in this stator core 12, make this external rotor 11 produce asymmetrical oval induced field, and then allow this external rotor 11 begin to rotate, yet, again because the synchronous rotary speed of the elliptical rotating field of this stator core 12, very big with respect to the formed speed difference of the actual speed of this external rotor 11, so the running efficiency of this ceiling fan motor 100 is very poor, can cause the shortcoming of many energy wastes.
In addition, TaiWan, China patent certificate M365605 number, M361170 number, M336346 number, M296312 number disclosed another kind of ceiling fan motor, all adopt and comprise a permanent magnet (or magnet ring), and the motor configuration that constituted of a magnetic force sensing element (or Hall element), yet rise owing to make the cost of material hurricane of magnet in recent years, perhaps belong to rare earth material, so that this a kind of ceiling fan motor that needs to use permanent magnet, the shortcoming of manufacturing cost height, fetch long price can take place, and causes occupation rate of market not high.
The utility model content
The purpose of this utility model is to provide a kind of permanent magnet that do not need to use, and can improve running efficiency and reduce the heterogeneous external-rotor-type variable frequency induction motor that the fan of manufacturing cost is used.
The heterogeneous external-rotor-type variable frequency induction motor that the utility model fan is used is characterised in that: the heterogeneous external-rotor-type variable frequency induction motor that this fan is used comprises a housing, an external rotor, a stator, and a control unit; This housing is around an axis, and comprises a plurality of blade installation portions that distribute around this axis; This external rotor is arranged in this housing, and comprise a stator installation portion that extends along this axis, and one around this stator installation portion and in conjunction with the external rotor body of this housing, this external rotor body has a plurality of fifty-fifty around the groove that is cast into of this stator installation portion distribution, reaches a plurality of described electric conducting materials that are cast into groove that are cast into respectively; This stator is arranged in this stator installation portion, and comprise that one is extended and be articulated in the central shaft of this housing, the stator core of radially extending along this central shaft along this axis, and winding, this stator core has a plurality of winding slots that distribute around this axis fifty-fifty, this winding be set around described winding slot and be heterogeneous configure volumes around; This control unit is electrically connected this winding, and can change the supply frequency that feeds this winding.
The beneficial effects of the utility model are: during this motor operation, be to utilize this control unit to produce heterogeneous variable frequency power supply, this winding that heterogeneous variable frequency power supply can feed this stator produces a symmetrical circular rotating magnetic field, this circular rotating field can cut this external rotor, make this external rotor produce induced current, induced electricity fail to be convened for lack of a quorum and this circular rotating field between produce electromagnetic force, and then make this external rotor follow the direction of this circular rotating field to rotate, because this motor adopts the design running of heterogeneous variable frequency power supply and heterogeneous external-rotor-type variable frequency induction motor, revolutional slip is little and running efficiency is high, do not need to use permanent magnet during manufacturing, and control easily, so this motor can fully reach the beneficial functional of saving the energy and reducing manufacturing cost.
Description of drawings
Fig. 1 is a schematic diagram, and the structure of general ceiling fan motor is described,
Fig. 2 is a three-dimensional exploded view, and the preferred embodiment of the heterogeneous external-rotor-type variable frequency induction motor that the utility model fan is used is described;
Fig. 3 is a schematic diagram, and the configuration structure of an external rotor and a stator is described in this preferred embodiment; And
Fig. 4 is a schematic diagram, and the framework that is connected of control unit and a winding is described in this preferred embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
Shown in Fig. 2,3,4, the preferred embodiment of the heterogeneous external-rotor-type variable frequency induction motor 200 that the utility model fan is used is useful on the ceiling fan, and comprises a housing 20, external rotor 30, a stator 40, and a control unit 50.
This housing 20 is around an axis X, and comprises a plurality of blade installation portions 21 that distribute around this axis X, and described blade installation portion 21 can install a plurality of flabellums 91 respectively.
This external rotor 30 is arranged in this housing 20, and comprises a stator installation portion 31 that extends along this axis X, and one around this stator installation portion 31 and in conjunction with the external rotor body 32 of this housing 20.
This stator installation portion 31 is a perforation that extends along this axis X in the present embodiment.
This external rotor body 32 has and a plurality ofly is cast into groove 321 around what this stator installation portion 31 distributed fifty-fifty, reach a plurality of described electric conducting materials 322 that are cast into groove 321 that are cast into respectively, in the present embodiment, described electric conducting material 322 adopts aluminium, also can use copper during actual the manufacturing.
This stator 40 is arranged in this stator installation portion 31, and comprises that one is extended and be articulated in the central shaft 41 of this housing 20, the stator core 42 of radially extending along this central shaft 41 along this axis X, and a winding 43.
This stator core 42 has a plurality of winding slots 421 that distribute around this axis X fifty-fifty, this winding 43 is set around described winding slot 421, and be heterogeneous configure volumes around, in the present embodiment, this winding 43 adopts three phase arrangement to reel, and also can adopt two-phase or four phase configuration to reel during actual the manufacturing.
This control unit 50 is electrically connected this winding 43, and can change the supply frequency that feeds this winding 43, use the result of use that reaches these external rotor 30 rotating speeds of control, this control unit 50 comprises that a power supply module that is used to receive power supply 51, one are electrically connected on converter module 52 between this power supply module 51 and this winding 43, variable frequency control module that is electrically connected on this converter module 52 53, a speed selection module 54 that is electrically connected on this variable frequency control module 53, and module 55 is selected in a rotating that is electrically connected on this variable frequency control module 53.
During these motor 200 runnings, be to utilize this control unit 50 to produce heterogeneous variable frequency power supply, heterogeneous variable frequency power supply can feed the circular rotating field of this winding 43 generations one symmetry of this stator 40, this circular rotating field can cut this external rotor 30, make this external rotor 30 produce induced current, induced electricity fail to be convened for lack of a quorum and this circular rotating field between produce electromagnetic force, and then make this external rotor 30 follow the direction of this circular rotating field to rotate, when the user operates this speed selection module 54, then can change the frequency of heterogeneous variable frequency power supply, and then change the rotating magnetic field speed of this stator 40, so change the rotating speed of this external rotor 30,55 direction of rotation that can switch this circular rotating field of module are selected in this rotating, and then change the rotation direction of this external rotor 30.
By this, because this motor 200 adopts the design running of heterogeneous variable frequency power supply and heterogeneous external-rotor-type variable frequency induction motor, revolutional slip is little and running efficiency is high, do not need to use permanent magnet during manufacturing, and control easily, so this motor 200 can fully reach the beneficial functional of saving the energy and reducing manufacturing cost, this motor 200 is not limited to the ceiling fan purposes in addition, also goes for upright fan purposes.
Claims (4)
1. heterogeneous external-rotor-type variable frequency induction motor that fan is used is characterized in that:
The heterogeneous external-rotor-type variable frequency induction motor that this fan is used comprises a housing, an external rotor, a stator, and a control unit;
This housing is around an axis, and comprises a plurality of blade installation portions that distribute around this axis;
This external rotor is arranged in this housing, and comprise a stator installation portion that extends along this axis, and one around this stator installation portion and in conjunction with the external rotor body of this housing, this external rotor body has a plurality of fifty-fifty around the groove that is cast into of this stator installation portion distribution, reaches a plurality of described electric conducting materials that are cast into groove that are cast into respectively;
This stator is arranged in this stator installation portion, and comprise that one is extended and be articulated in the central shaft of this housing, the stator core of radially extending along this central shaft along this axis, and winding, this stator core has a plurality of winding slots that distribute around this axis fifty-fifty, this winding be set around described winding slot and be heterogeneous configure volumes around;
This control unit is electrically connected this winding, and can change the supply frequency that feeds this winding.
2. the heterogeneous external-rotor-type variable frequency induction motor used of fan according to claim 1, it is characterized in that: the described electric conducting material of this external rotor is selected from aluminium, copper.
3. the heterogeneous external-rotor-type variable frequency induction motor used of fan according to claim 1 is characterized in that: this winding of this stator can adopt two-phase, three-phase, four mutually wherein configure volumes around.
4. the heterogeneous external-rotor-type variable frequency induction motor used of fan according to claim 1, it is characterized in that: this control unit comprises that a power supply module that is used to receive power supply, one are electrically connected on the converter module between this power supply module and this winding, a variable frequency control module that is electrically connected on this converter module, a speed selection module that is electrically connected on this variable frequency control module, and module is selected in a rotating that is electrically connected on this variable frequency control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200621278U CN201994802U (en) | 2011-03-08 | 2011-03-08 | Multiphase outer rotor type variable-frequency induction motor for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200621278U CN201994802U (en) | 2011-03-08 | 2011-03-08 | Multiphase outer rotor type variable-frequency induction motor for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994802U true CN201994802U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200621278U Expired - Fee Related CN201994802U (en) | 2011-03-08 | 2011-03-08 | Multiphase outer rotor type variable-frequency induction motor for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994802U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561932A (en) * | 2018-07-06 | 2018-09-21 | 浙江帅康电气股份有限公司 | A kind of range hood and its computer readable storage medium using squirrel-cage three phase AC induction machine |
| CN109067086A (en) * | 2018-09-10 | 2018-12-21 | 罗中岭 | A kind of Micropower generating device |
-
2011
- 2011-03-08 CN CN2011200621278U patent/CN201994802U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561932A (en) * | 2018-07-06 | 2018-09-21 | 浙江帅康电气股份有限公司 | A kind of range hood and its computer readable storage medium using squirrel-cage three phase AC induction machine |
| CN109067086A (en) * | 2018-09-10 | 2018-12-21 | 罗中岭 | A kind of Micropower generating device |
| CN109067086B (en) * | 2018-09-10 | 2023-08-22 | 罗中岭 | Micro-power generating device |
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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: 20110928 Termination date: 20200308 |