CN102163898A - Single-phase permanent-magnet synchronous motor for efficient fan - Google Patents
Single-phase permanent-magnet synchronous motor for efficient fan Download PDFInfo
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- CN102163898A CN102163898A CN2010101123528A CN201010112352A CN102163898A CN 102163898 A CN102163898 A CN 102163898A CN 2010101123528 A CN2010101123528 A CN 2010101123528A CN 201010112352 A CN201010112352 A CN 201010112352A CN 102163898 A CN102163898 A CN 102163898A
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Abstract
The invention relates to a single-phase permanent-magnet synchronous motor for an efficient fan, comprising a stator and a rotor, wherein m squirrel-cage guide bar grooves a, n squirrel-cage guide bar grooves b, and 2p magnet insertion grooves are arranged on a rotor iron core, wherein m is a natural number from 8 to 36, n is a natural number from 2 to 8, and p is a natural number from 1 to 4; the squirrel-cage guide bar grooves a and the squirrel-cage guide bar grooves b are arranged on periphery of the rotor iron core; the magnet insertion grooves are symmetrically arranged on the rotor iron core; and permanent magnets are disposed in the magnet insertion grooves. In comparison with the prior art, the single-phase permanent-magnet synchronous motor in the invention has the advantages of low abrasion, is capable of improving efficiency of the fan, and the like.
Description
Technical field
The present invention relates to motor, especially relate to a kind of air-foil fan single-phase permanent synchronous machine.
Background technology
Existing single-phase blower fan all adopts single-phase asynchronous motor, and in common single-phase asynchronous motor, rotor-exciting magnetic field is produced by stator rotating magnetic field induced current in rotor bar, and induced current flows through consumption active power in sliver, make electric efficiency low.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of air-foil fan little, that fan efficiency is high single-phase permanent synchronous machine that wears away for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: a kind of air-foil fan single-phase permanent synchronous machine, comprise stator and rotor, it is characterized in that, offer m mouse cage sliver groove a, a n mouse cage sliver groove b and 2p magnet insertion groove on the described rotor core, wherein m is 8～36 natural number, n is 2～8 natural number, p is 1～4 natural number, described mouse cage sliver groove a and mouse cage sliver groove b are arranged on the periphery of rotor core, described magnet insertion groove is symmetricly set on the rotor core, places permanent magnet in the magnet insertion groove.
Described magnet insertion groove is arranged on the inboard of mouse cage sliver groove a and mouse cage sliver groove b.
Described magnet insertion groove has four, comprise magnet insertion groove a, magnet insertion groove b, magnet insertion groove c and magnet insertion groove d, wherein insert the permanent magnet of identical polar among magnet insertion groove a and the magnet insertion groove b, insert among magnet insertion groove c and the magnet insertion groove d with magnet insertion groove a and magnet insertion groove b in the opposite permanent magnet of permanent magnet polarity.
Angle α between described magnet insertion groove a and the magnet insertion groove b is 90～180 degree.
Between described magnet insertion groove a and the adjacent top of magnet insertion groove b is 0.4～3mm apart from d1, and the other end of magnet insertion groove a and magnet insertion groove b respectively and between the mouse cage sliver groove b is 0.4～3mm apart from d2.
Described magnet insertion groove a and magnet insertion groove c are oppositely arranged, and its spacing d3 is 0.5～0.8 with the ratio of rotor core outside diameter d.
Compared with prior art, the present invention inserts permanent magnet by offer the magnet insertion groove on rotor core, and the magnetic field that produces with permanent magnet substitutes the excitation field of induction, thereby has reduced excitation loss, improves electric efficiency.
Description of drawings
Fig. 1 is the structural representation of the rotor core of motor of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of air-foil fan single-phase permanent synchronous machine, comprise stator and rotor, offer 24 mouse cage sliver groove a1 on the described rotor core, four mouse cage sliver groove b2 and four magnet insertion grooves: comprise magnet insertion groove a3, magnet insertion groove b4, magnet insertion groove c5 and magnet insertion groove d6, described mouse cage sliver groove a1 and mouse cage sliver groove b2 are arranged on the periphery of rotor core, one group in twos of four mouse cage sliver groove b2, be separately positioned on the rotor core diameter opposite end, described magnet insertion groove is symmetricly set on the inboard of rotor core upper cage sliver groove a1 and mouse cage sliver groove b2, place permanent magnet in the magnet insertion groove, wherein insert the permanent magnet of identical polar among magnet insertion groove a3 and the magnet insertion groove b4, insert among magnet insertion groove c5 and the magnet insertion groove d6 with magnet insertion groove a3 and magnet insertion groove b4 in the opposite permanent magnet of permanent magnet polarity.Angle α between magnet insertion groove a3 and the magnet insertion groove b4 is 120 degree, between described magnet insertion groove a3 and the adjacent top of magnet insertion groove b4 is 1mm apart from d1, and the other end of magnet insertion groove a3 and magnet insertion groove b4 respectively and between the mouse cage sliver groove b2 is 1mm apart from d2.Described magnet insertion groove a and magnet insertion groove c are oppositely arranged, and its spacing d3 is 0.6 with the ratio of rotor core outside diameter d.
A kind of air-foil fan single-phase permanent synchronous machine, comprise stator and rotor, offer eight mouse cage sliver groove a on the described rotor core, two mouse cage sliver groove b and two magnet insertion grooves, described mouse cage sliver groove a and mouse cage sliver groove b are arranged on the periphery of rotor core, two mouse cage sliver groove b are separately positioned on the rotor core diameter opposite end, described magnet insertion groove is symmetricly set on the inboard of rotor core upper cage sliver groove a and mouse cage sliver groove b, place permanent magnet in the magnet insertion groove, insert opposite polarity permanent magnet respectively in two magnet insertion grooves.Angle α between two magnet insertion grooves is 180 degree, and between its adjacent top is 3mm apart from d1, and the other end respectively and between the mouse cage sliver groove b is 3mm apart from d2.Described magnet insertion groove a and magnet insertion groove c are oppositely arranged, and its spacing d3 is 0.8 with the ratio of rotor core outside diameter d.
A kind of air-foil fan single-phase permanent synchronous machine, comprise stator and rotor, offer 36 mouse cage sliver groove a on the described rotor core, eight mouse cage sliver groove b and eight magnet insertion grooves, described mouse cage sliver groove a and mouse cage sliver groove b are arranged on the periphery of rotor core, eight mouse cage sliver groove b component in twos are four groups, be separately positioned on the rotor core two perpendicular diameter opposite ends, described magnet insertion groove is symmetricly set on the inboard of rotor core upper cage sliver groove a and mouse cage sliver groove b, place permanent magnet in the magnet insertion groove, the magnet insertion groove that each magnet insertion groove is adjacent with its both sides, insert the permanent magnet of same polarity on one side, another side inserts the permanent magnet of opposite polarity, angle α between the adjacent magnets insertion groove of insertion same polarity permanent magnet is 90 degree, between its adjacent top is 0.4mm apart from d1, and the other end respectively and between the mouse cage sliver groove b is 0.4mm apart from d2.The ratio that inserts spacing d3 and rotor core outside diameter d between the adjacent magnets insertion groove of opposite polarity permanent magnet is 0.5.
Claims (6)
1. air-foil fan single-phase permanent synchronous machine, comprise stator and rotor, it is characterized in that, offer m mouse cage sliver groove a, a n mouse cage sliver groove b and 2p magnet insertion groove on the described rotor core, wherein m is 8～36 natural number, and n is 2～8 natural number, p is 1～4 natural number, described mouse cage sliver groove a and mouse cage sliver groove b are arranged on the periphery of rotor core, and described magnet insertion groove is symmetricly set on the rotor core, place permanent magnet in the magnet insertion groove.
2. a kind of air-foil fan single-phase permanent synchronous machine according to claim 1 is characterized in that, described magnet insertion groove is arranged on the inboard of mouse cage sliver groove a and mouse cage sliver groove b.
3. a kind of air-foil fan single-phase permanent synchronous machine according to claim 1, it is characterized in that, described magnet insertion groove has four, comprise magnet insertion groove a, magnet insertion groove b, magnet insertion groove c and magnet insertion groove d, wherein insert the permanent magnet of identical polar among magnet insertion groove a and the magnet insertion groove b, insert among magnet insertion groove c and the magnet insertion groove d with magnet insertion groove a and magnet insertion groove b in the opposite permanent magnet of permanent magnet polarity.
4. a kind of air-foil fan single-phase permanent synchronous machine according to claim 3 is characterized in that, the angle (α) between described magnet insertion groove a and the magnet insertion groove b is 90～180 degree.
5. a kind of air-foil fan single-phase permanent synchronous machine according to claim 4, it is characterized in that, distance (d1) between described magnet insertion groove a and the adjacent top of magnet insertion groove b is 0.4～3mm, the other end of magnet insertion groove a and magnet insertion groove b respectively and the distance (d2) between the mouse cage sliver groove b be 0.4～3mm.
6. a kind of air-foil fan single-phase permanent synchronous machine according to claim 4 is characterized in that, described magnet insertion groove a and magnet insertion groove c are oppositely arranged, and its spacing (d3) is 0.5～0.8 with the ratio of rotor core external diameter (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101123528A CN102163898A (en) | 2010-02-23 | 2010-02-23 | Single-phase permanent-magnet synchronous motor for efficient fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101123528A CN102163898A (en) | 2010-02-23 | 2010-02-23 | Single-phase permanent-magnet synchronous motor for efficient fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102163898A true CN102163898A (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101123528A Pending CN102163898A (en) | 2010-02-23 | 2010-02-23 | Single-phase permanent-magnet synchronous motor for efficient fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005111A (en) * | 2014-11-21 | 2017-08-01 | 株式会社神户制钢所 | Magnet baried type electric rotating machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269624A (en) * | 1999-03-30 | 2000-10-11 | 株式会社东芝 | Rotor of permanent magnet type rotary motor |
| CN1638244A (en) * | 1999-07-16 | 2005-07-13 | 松下电器产业株式会社 | Permanent magnet synchronous motor |
| CN2847665Y (en) * | 2005-11-25 | 2006-12-13 | 杨百昌 | Permanent magnet synchronous motor rotor for full closed cold compressor |
| CN2904437Y (en) * | 2006-04-24 | 2007-05-23 | 广州冷机股份有限公司 | Permanent magnet synchronous motor for refrigerator compressor |
| CN101496258A (en) * | 2006-07-25 | 2009-07-29 | 阿塞里克股份有限公司 | Line start permanent magnet electric motor |
| CN101523707A (en) * | 2005-12-21 | 2009-09-02 | 株式会社大宇电子 | Rotor assembly for use in line start permanent magnet synchronous motor |
-
2010
- 2010-02-23 CN CN2010101123528A patent/CN102163898A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1269624A (en) * | 1999-03-30 | 2000-10-11 | 株式会社东芝 | Rotor of permanent magnet type rotary motor |
| CN1638244A (en) * | 1999-07-16 | 2005-07-13 | 松下电器产业株式会社 | Permanent magnet synchronous motor |
| CN2847665Y (en) * | 2005-11-25 | 2006-12-13 | 杨百昌 | Permanent magnet synchronous motor rotor for full closed cold compressor |
| CN101523707A (en) * | 2005-12-21 | 2009-09-02 | 株式会社大宇电子 | Rotor assembly for use in line start permanent magnet synchronous motor |
| CN2904437Y (en) * | 2006-04-24 | 2007-05-23 | 广州冷机股份有限公司 | Permanent magnet synchronous motor for refrigerator compressor |
| CN101496258A (en) * | 2006-07-25 | 2009-07-29 | 阿塞里克股份有限公司 | Line start permanent magnet electric motor |
Non-Patent Citations (2)
| Title |
|---|
| 唐任远: "《特种电机》", 31 May 1998, 机械工业出版社 * |
| 李新华等: "单相永磁同步电动机磁路计算", 《微特电机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107005111A (en) * | 2014-11-21 | 2017-08-01 | 株式会社神户制钢所 | Magnet baried type electric rotating machine |
| CN107005111B (en) * | 2014-11-21 | 2019-05-17 | 株式会社神户制钢所 | Magnet baried type rotating electric machine |
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Application publication date: 20110824 |