CN1601872A - Rotor of variable reluctance dynamo - Google Patents
Rotor of variable reluctance dynamo Download PDFInfo
- Publication number
- CN1601872A CN1601872A CN 03144340 CN03144340A CN1601872A CN 1601872 A CN1601872 A CN 1601872A CN 03144340 CN03144340 CN 03144340 CN 03144340 A CN03144340 A CN 03144340A CN 1601872 A CN1601872 A CN 1601872A
- Authority
- CN
- China
- Prior art keywords
- rotor core
- rotor
- forming portion
- resin forming
- along
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The disclosed rotor includes rotation axis, rotor core and resin molding part. Axle hole is formed in center of the rotor core for rotation axis to be inserted. There are multiple teeth parts on outside of the rotor core. The teeth parts are extruded out along radius direction, and there is a certain interval along circumferential direction between teeth parts. Synthetic resin is filled between teeth parts. Comparing with adjacent teeth part, the synthetic resin is depressed towards center. The structure in favor of heat elimination prevents distortion of resin caused by accumulation of excess quantity of heat.
Description
Prior art
The present invention relates to a kind of rotor of conversion reluctance machine.
Background technology
Conversion reluctance machine (Switched Reluctance Motor; SRM) compare with common motor, have simple structure, cheap, moment of torsion density and the high advantage of efficient, but also there is the bigger shortcoming of vibrating noise that produces because of torque ripple in it.
This conversion reluctance machine has following feature, and promptly its stator and rotor all have several magnetic poles or tooth, and stator has coil (winding), and rotor does not then have coil or magnet.The coil of the relative tooth of direction of stator is series connection mutually, and it can detect the position of rotor and connect (On) or disconnect (Off) with the electric current of controlling each phase, thereby makes the rotor rotation.
As shown in Figure 1, 2, 3, the rotor of conversion reluctance machine has following structure, i.e. rotating shaft (111); Rotor core (121), it has several tooth portions (123), and these tooth portions (123) are outwards outstanding along radial direction, and along the circumferential direction at a distance of certain intervals; Resin forming portion (131), it is to form with the synthetic resin filling between the tooth portion (123) of rotor core (121).
Rotor core (121) is formed by stacking by several steel plate insulation, these steel plates have following structure, promptly for rotating shaft (111) can be inserted, be formed centrally the axis hole (122) that connects in them, then formed on their outer ring along several outwards outstanding tooth portions (123) of radial direction, the angle that these tooth portions (123) are separated by identical is in a circumferential direction arranged.For the resin forming portion (131) that prevents rotor core (121) comes off away along radial direction when rotated, on the side of each tooth portion (123), formed the outstanding projection (124) that comes off of preventing respectively.
In addition, the BPF (BPF that occurs for the shape that can reduce when rotor core (121) rotates according to rotor core (121); Blade Passage Frequency) composition has formed resin forming portion (131) by filled synthetic resin between each tooth portion (123).Resin forming portion (131) is circular arc, and this circular arc has certain diameter (D1), and it is on the same circumference with respect to the center and the rotor core (121) of rotor core (121).
But, rotor for aforesaid existing conversion reluctance machine, because resin forming portion (131) is circular arc, this circular arc has certain diameter (D1), it is on the same circumference with rotor iron (121) with respect to the center of rotor core (121), therefore can there be following problem, the thickness (t1) that is resin forming portion (131) is bigger, thereby the heat that it is produced rotor core (121) can't be rotated the time distributes fully, and make rotor core (121) accumulate too much heat thus, thereby cause resin forming portion (131) distortion, when serious even can make resin forming portion (131) fusing.
Summary of the invention
Above-mentioned shortcoming for the rotor that overcomes existing conversion reluctance machine exists the invention provides a kind of rotor with conversion reluctance machine of following characteristics, and promptly it is beneficial to heat radiation more, can prevent the resin distortion that causes because of too much accumulation of heat.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of rotor of conversion reluctance machine comprises rotating shaft; Rotor core wherein is formed centrally the axis hole that described rotating shaft is inserted, and its outside has a plurality of tooth portion, and these tooth portions are outwards outstanding along radial direction, and along the circumferential direction at a distance of certain intervals; Resin forming portion is that circumference along described rotor core is filled with synthetic resin between the tooth portion of rotor core and formed; It is characterized in that the central area of described resin forming portion is compared with the zone of its adjacent teeth portion, further to the central concave of described rotor core.
The rotor of described conversion reluctance machine, resin forming portion circular-arc with the center position of the described rotor core of middle mind-set depression wherein prolongs along the axis direction of described rotating shaft and to form.
The rotor of described conversion reluctance machine, wherein resin forming portion also comprises along the axis direction of described rotating shaft and prolonging and the terminal part that forms, this terminal part gets up the stub area shutoff of the both sides of described rotor core.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the end view of the rotor of existing conversion reluctance machine
Fig. 2 is a floor map shown in Figure 1
Fig. 3 is the floor map of rotor core shown in Figure 1
Fig. 4 is the end view of one embodiment of the invention
Fig. 5 is the sectional view of rotor shown in Figure 4
Fig. 6 is the partial cross section figure of rotor shown in Figure 4
The number in the figure explanation:
11: rotating shaft 21: rotor core (rotor core)
22: axis hole 23: tooth (teeth) portion
24: prevent the projection 31 that comes off: resin forming portion
32a: filling part 32b: terminal (end) portion
Embodiment
Shown in Fig. 4,5,6, the rotor of conversion reluctance machine of the present invention comprises with lower member, i.e. rotating shaft (11); Rotor core (21) has been formed centrally the axis hole (22) that above-mentioned rotating shaft (11) is inserted in it, have a plurality of tooth portions (23) on its outer ring, and these tooth portions (23) are outwards outstanding along radial direction, along the circumferential direction at a distance of certain intervals; Resin forming portion (31), it forms with the synthetic resin filling between tooth portion (23), and its central area is towards the central concave of above-mentioned rotor core (21).
Rotor core (21) is formed by stacking by a plurality of steel plate insulation, these steel plates have following structure, promptly for rotating shaft (11) can be inserted, be formed centrally in them and connect axis hole (22), then formed on their outer ring along the outwards outstanding a plurality of tooth portions (23) of radial direction, these tooth portions (23) are separated by identical angle in a circumferential direction and arrange.For the resin forming portion (31) that prevents rotor core (21) comes off away along radial direction when rotated, on the side of each tooth portion (23), formed the outstanding projection (24) that comes off of preventing respectively.
In addition, resin forming portion (31) has following structure, i.e. filling part (32a), and it is by methods such as injection mouldings the gap that synthetic resin is filled into each tooth portion (23) of rotor core (21) to be formed; Terminal part (32b) is integrally formed with above-mentioned filling part (32a), and extends to the two ends of rotor core (21) along the axis direction of rotating shaft (11), thereby has formed disc-shape.In order when rotor core (21) rotates, to impel its heat radiation, filling part (32a) has following architectural feature, be it along the circumferencial direction of rotor core (21) between each tooth portion (23) and at rotor core (21) along forming on the whole length of axis direction, its cross section be the center than both sides further circular-arc to the center position of rotor core (21) depression, like this, its filling thickness (t2) on the radial direction of rotor core (21) will be thinner.
According to said structure, just can finish the making of rotor by following steps, promptly at first rotating shaft (11) is connected on the axis hole (22) of rotor core (21), between the tooth portion (23) of rotor core (21), form resin forming portion (31) then.Above-mentioned resin forming portion (31) has filling part (32a) and terminal part (32b), above-mentioned filling part (32a) is central concave circular-arc of middle mind-set rotor core (21), terminal part (32b) then at rotor core (21) along forming on the two ends of axis direction, they and filling part (32a) are one, and in the form of annular discs.
When rotor rotates, because being the circular-arc filling part (32a) towards the center position of rotor core (21) depression, the cross section can promote heat radiation, thereby prevent that rotor core (21) from going up the too much heat of accumulation, therefore can prevent because of accumulating the phenomenon of resin forming portion (31) fusing that too much heat causes.
The present invention has strengthened radiating effect by the thickness that dwindles resin forming portion, thereby can prevent on the rotor core heat that accumulation is too much, so the present invention can prevent because of accumulating the phenomenon of the resin forming portion fusing that too much heat causes.
Claims (3)
1, a kind of rotor of conversion reluctance machine comprises rotating shaft; Rotor core wherein is formed centrally the axis hole that described rotating shaft is inserted, and its outside has a plurality of tooth portion, and these tooth portions are outwards outstanding along radial direction, and along the circumferential direction at a distance of certain intervals; Resin forming portion is that circumference along described rotor core is filled with synthetic resin between the tooth portion of rotor core and formed; It is characterized in that the central area of described resin forming portion is compared with the zone of its adjacent teeth portion, further to the central concave of described rotor core.
2, the rotor of conversion reluctance machine according to claim 1 is characterized in that described resin forming portion circular-arc with the center position depression of the described rotor core of middle mind-set, prolongs along the axis direction of described rotating shaft to form.
3, the rotor of conversion reluctance machine according to claim 1 and 2, it is characterized in that described resin forming portion also comprises along the axis direction of described rotating shaft prolongs and the terminal part that forms, and this terminal part gets up the stub area shutoff of the both sides of described rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443400A CN100435456C (en) | 2003-09-25 | 2003-09-25 | Rotor of variable reluctance dynamo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443400A CN100435456C (en) | 2003-09-25 | 2003-09-25 | Rotor of variable reluctance dynamo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601872A true CN1601872A (en) | 2005-03-30 |
| CN100435456C CN100435456C (en) | 2008-11-19 |
Family
ID=34659502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031443400A Expired - Fee Related CN100435456C (en) | 2003-09-25 | 2003-09-25 | Rotor of variable reluctance dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100435456C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978190A (en) * | 2016-07-04 | 2016-09-28 | 浙江永昌电气股份有限公司 | Low-noise switched reluctance motor |
| CN105978209A (en) * | 2016-07-04 | 2016-09-28 | 湖州鸿远电机有限公司 | Novel motor |
| CN106026507A (en) * | 2016-07-04 | 2016-10-12 | 湖州鸿远电机有限公司 | Stably installed motor |
| CN106100214A (en) * | 2016-07-04 | 2016-11-09 | 湖州鸿远电机有限公司 | A kind of quiet motor of antidetonation |
| CN106100224A (en) * | 2016-07-04 | 2016-11-09 | 湖州鸿远电机有限公司 | A kind of firm, quiet motor |
| CN106160311A (en) * | 2016-07-04 | 2016-11-23 | 湖州鸿远电机有限公司 | A kind of motor |
| CN109802502A (en) * | 2017-11-17 | 2019-05-24 | 日本电产三协株式会社 | Rotor and motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60197143A (en) * | 1984-03-17 | 1985-10-05 | Isuzu Motors Ltd | Reluctance generator |
| JPS60197145A (en) * | 1984-03-17 | 1985-10-05 | Isuzu Motors Ltd | Reluctance generator |
| JPH03155347A (en) * | 1989-11-10 | 1991-07-03 | Mitsubishi Heavy Ind Ltd | Rotor of reluctance motor |
| CN2245820Y (en) * | 1995-04-14 | 1997-01-22 | 满永奎 | Switch magnetic drag electric machine |
| JP3714146B2 (en) * | 2000-10-19 | 2005-11-09 | 国産電機株式会社 | Stator core with resin insulation layer for generators for internal combustion engines |
-
2003
- 2003-09-25 CN CNB031443400A patent/CN100435456C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978190A (en) * | 2016-07-04 | 2016-09-28 | 浙江永昌电气股份有限公司 | Low-noise switched reluctance motor |
| CN105978209A (en) * | 2016-07-04 | 2016-09-28 | 湖州鸿远电机有限公司 | Novel motor |
| CN106026507A (en) * | 2016-07-04 | 2016-10-12 | 湖州鸿远电机有限公司 | Stably installed motor |
| CN106100214A (en) * | 2016-07-04 | 2016-11-09 | 湖州鸿远电机有限公司 | A kind of quiet motor of antidetonation |
| CN106100224A (en) * | 2016-07-04 | 2016-11-09 | 湖州鸿远电机有限公司 | A kind of firm, quiet motor |
| CN106160311A (en) * | 2016-07-04 | 2016-11-23 | 湖州鸿远电机有限公司 | A kind of motor |
| CN105978209B (en) * | 2016-07-04 | 2018-04-13 | 湖州鸿远电机有限公司 | A kind of New-type electric machine |
| CN106100214B (en) * | 2016-07-04 | 2018-05-22 | 湖州鸿远电机有限公司 | A kind of mute motor of antidetonation |
| CN106100224B (en) * | 2016-07-04 | 2018-05-22 | 湖州鸿远电机有限公司 | One kind consolidates, mute motor |
| CN105978190B (en) * | 2016-07-04 | 2018-06-29 | 浙江永昌电气股份有限公司 | A kind of low noise switched reluctance machines |
| CN109802502A (en) * | 2017-11-17 | 2019-05-24 | 日本电产三协株式会社 | Rotor and motor |
| CN109802502B (en) * | 2017-11-17 | 2021-03-23 | 日本电产三协株式会社 | Rotor and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100435456C (en) | 2008-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103683595B (en) | Electric rotating machine and magnetic pole piece making method | |
| CN1165104C (en) | Permanent magnet inserted induction motor | |
| CN1185772C (en) | Induction machine stator | |
| CN1310400C (en) | Rotary electric machine stator | |
| US7560844B2 (en) | Permanent magnet rotary motor | |
| CN1881758B (en) | Multi-phase brushless motor with reduced number of stator poles | |
| CN102223041B (en) | Motor | |
| US10122232B2 (en) | Rotary electric machine | |
| JP6711901B2 (en) | Electric motor and air conditioner | |
| FI122757B (en) | Rotor for a synchronous reluctance machine and method for making a rotor for a synchronous reluctance machine | |
| JP5446406B2 (en) | Stator in electric machine | |
| CN1081844C (en) | Permanent magnet inserted type rotor structure | |
| CN1750359A (en) | Rotor of bldc motor | |
| CN101032067A (en) | Spoke permanent magnet rotor | |
| CN1901327A (en) | Electric generator | |
| CN1078762C (en) | Miniature motor | |
| CN1627600A (en) | Rotor for rotary electric machine | |
| CA2539592A1 (en) | Dynamoelectric machine stator and method for mounting prewound coils thereunto | |
| CN1835339A (en) | Three phase claw pole type motor | |
| CN1356758A (en) | Brush-less motor with external rotor | |
| CN1601872A (en) | Rotor of variable reluctance dynamo | |
| CN102422510A (en) | Synchronous machine | |
| CN1307742A (en) | Rotors utilizing stepped skew | |
| JP3734889B2 (en) | Brushless DC motor | |
| CN1578064A (en) | Winding reel for rotary motor armature |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20091026 |