CN201994807U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN201994807U CN201994807U CN2011200082198U CN201120008219U CN201994807U CN 201994807 U CN201994807 U CN 201994807U CN 2011200082198 U CN2011200082198 U CN 2011200082198U CN 201120008219 U CN201120008219 U CN 201120008219U CN 201994807 U CN201994807 U CN 201994807U
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- rotor
- magnetite
- synchronous motor
- permagnetic synchronous
- skeleton
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Abstract
The utility model provides a permanent magnet synchronous motor which simplifies a rotor structure, facilitates motor manufacture and saves cost. The permanent magnet synchronous motor adopts the technical scheme that a stator, a rotor, and an end cap are comprised, wherein the stator and the rotor are positioned in the inner chamber of the end cap; the rotor comprises a rotor framework, a plurality of pieces of loadstone, and a rotating shaft; grooves in the same amount as the pieces of loadstone are formed at the circumference of the rotor framework, the pieces of loadstone are embedded in the grooves, and the rotating shaft is arranged in the middle of the rotor framework; loadstone covers preventing the loadstone from axially moving are arranged on the upper end surface and the lower end surface of the rotor; and the loadstone covers are fixed on the rotor framework through fastening devices.
Description
Technical field
The utility model relates to a kind of permagnetic synchronous motor, refers to the controlled single-phase claw-pole permanent magnet synchronous motor of a kind of slow-speed of revolution self-starting direction especially.
Background technology
In the prior art, internal rotor synchronous machine, its rotor structure generally are following modes:
The rotor core material is magnetic properties such as silicon steel sheet, electrical pure iron materials preferably, rotating shaft directly is fitted in the rotor core, magnet is installed in the rotor core cylindrical, and at cylindrical unshakable in one's determination, increase cast aluminium, guarantee the electric motor starting performance, like this, there is the manufacturing process complexity, problem such as the process control difficult point is more.
Pawl utmost point homochronousness motor, (the pawl utmost point adopts cold-reduced sheet) and stator excitation mode (concentrate winding, pawl is magnetic pole very) under existing raw material condition, its magnetic circuit itself exists leakage field bigger, adopt the conventional rotors structure, there is the problem of waste in material, can not finely utilize.Under situation rational in infrastructure, rotor structure can be simplified the occupation mode of change material fully.
Summary of the invention
The purpose of this utility model is to provide a kind of permagnetic synchronous motor, and rotor structure is simplified, and makes things convenient for motor to make, and saves cost.
The utility model is achieved through the following technical solutions:
Permagnetic synchronous motor includes stator, rotor and end cap, and described stator and rotor are arranged in the end cap inner chamber; Described rotor includes: rotor skeleton, polylith magnetite and rotating shaft, and the periphery of described rotor skeleton is provided with the groove that equates with magnetite quantity, and magnetite is embedded in the described groove, and rotating shaft is positioned at rotor skeleton middle part; Wherein, on the upper and lower end face of described rotor, be provided with and can prevent the axially movable magnetite lid of magnetite, described magnetite lid is fixed on the rotor skeleton by fastener.
Described rotor skeleton is provided with two-layer above groove combination and arranges by above-below direction, and every layer of groove combination includes a plurality of a plurality of grooves that are distributed in the periphery of rotor skeleton, causes the rotor skeleton to be the gear-like structure; In the adjacent two layers groove combination, the center line of the last low groove specific range that staggers mutually; The polylith magnetite is embedded in the two-layer above groove combination, forms two-layer above magnetite combination; The center line of the neighbouring magnetite distance that staggers mutually with the center line of last low groove that staggers mutually is identical.
To sum up, the beneficial effects of the utility model are:
Permagnetic synchronous motor of the present utility model, because on the upper and lower end face of rotor, be provided with and prevent the axially movable magnetite lid of magnetite, described magnetite lid is fixed on the rotor skeleton by fastener, and described rotor skeleton is provided with two-layer above groove combination and arranges by above-below direction, every layer of groove combination includes a plurality of grooves that are distributed in the periphery of rotor skeleton, causes the rotor skeleton to be the gear-like structure; In the adjacent two layers groove combination, the center line of the last low groove specific range that staggers mutually; The polylith magnetite is embedded in the two-layer above groove combination, forms two-layer above magnetite combination; In the adjacent two layers magnetite combination, the center line of the neighbouring magnetite distance that staggers mutually with the center line of last low groove that staggers mutually is identical.Under the condition of not improving stator, made the scheme that reduces Vibration on Start-up, specific practice is:
The position that the analysis rotor stops is (owing to be subjected to the effect of rotor permanent magnet and claw pole stator, the position that rotor stops at every turn is comparatively fixing), with rotor as two-layer up and down, and two interlayers, zero the specific range that staggers up and down to a rotor magnetic pole, like this, when the moment of electric motor starting, rotor-position has slight moving, just having one deck relative stator pawl utmost point has the effect in big magnetic field, makes rotor embed the stator synchronous speed very smoothly.Like this, motor just can start smoothly, and almost not vibration.Simultaneously, owing to be provided with the magnetite lid, make magnetite axially fixed.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model permagnetic synchronous motor;
Fig. 2 is the plan structure schematic diagram of the utility model permagnetic synchronous motor;
Fig. 3 is the rotor perspective view of the utility model permagnetic synchronous motor;
Fig. 4 is the rotor-side TV structure schematic diagram of the utility model permagnetic synchronous motor;
Fig. 5 is the rotor plan structure schematic diagram of the utility model permagnetic synchronous motor;
Fig. 6 is the rotor blast structural representation of the utility model permagnetic synchronous motor.
Description of reference numerals:
1, armature spindle, 2, go up tapping screw, 3, go up the magnetite lid, 4, the rotor skeleton, 5, magnetite, 6, magnetite lid down, 7, tapping screw down.
Embodiment
The utility model discloses a kind of permagnetic synchronous motor, include stator, rotor and end cap, described stator and rotor are arranged in the end cap inner chamber; Described rotor includes: rotor skeleton, polylith magnetite and rotating shaft, and the periphery of described rotor skeleton is provided with the groove that equates with magnetite quantity, and magnetite is embedded in the described groove, and rotating shaft is positioned at rotor skeleton middle part; Wherein, on the upper and lower end face of described rotor, be provided with and can prevent the axially movable magnetite lid of magnetite, described magnetite lid is fixed on the rotor skeleton by fastener.
Described rotor skeleton is provided with two-layer above groove combination and arranges by above-below direction, and every layer of groove combination includes a plurality of a plurality of grooves that are distributed in the periphery of rotor skeleton, causes the rotor skeleton to be the gear-like structure; In the adjacent two layers groove combination, the center line of the last low groove specific range that staggers mutually; The polylith magnetite is embedded in the two-layer above groove combination, forms two-layer above magnetite combination; The center line of the neighbouring magnetite distance that staggers mutually with the center line of last low groove that staggers mutually is identical.
Described rotor adopts non-magnet material to make.
Described rotor adopts polyamide 66 or nylon 66(PA66) or polybutylene terephthalate (PBT) PBT or aluminum alloy materials make.
PA66 polyamide 66 or nylon 66 are compared with PA6, and the PA66 broader applications need the product that impact resistance and high strength require in auto industry, Instrument shell and other.
Polybutylene terephthalate (PBT), English name polybutylene terephthalate(is called for short PBT), belong to polyester series, be to form, and the milky of making via mixing program is translucent to opaque, crystalline thermoplastic polyester's resin by 1.4-pbt butanediol (1.4-Butylene glycol) and terephthalic acid (TPA) (PTA) or terephthalate (DMT) polycondensation.Be referred to as thermoplastic polyester with PET, or saturated polyester.
Described armature spindle adopts 45 steel or stainless steel materials to make.
Described magnetite lid adopts non-magnet material to make.
Described magnetite lid adopts polyamide 66 or nylon 66(PA66) or polybutylene terephthalate (PBT) PBT or aluminum alloy materials make.
Described permagnetic synchronous motor is the controlled single-phase claw-pole permanent magnet synchronous motor of a kind of slow-speed of revolution self-starting direction.
Embodiment:
Shown in Fig. 1 to 6, the rotor of permagnetic synchronous motor comprises armature spindle 1, goes up tapping screw 2, goes up magnetite lid 3, rotor skeleton 4, magnetite 5, magnetite lid 6 and following tapping screw 7 down, magnetite 5 is installed on the rotor skeleton, evenly distribute along rotor skeleton cylindrical, magnetite is radially fixed by the groove screens of rotor skeleton, axially by last magnetite lid 3, magnetite lid 6 stops fixingly down, last magnetite lid 3, magnetite covers 6 and is fixed on rotor skeleton 4 two ends by tapping screw down.
Described armature spindle 1 is the quadric injection mould mode with the connected mode of rotor skeleton 4, and armature spindle 1 cylindrical is provided with the annular knurl structure.
Permagnetic synchronous motor knot of the present utility model, close pawl utmost point homochronousness motor characteristic feature, material, structure, the technology of rotor are carried out bigger change, make the direction that helps rotor technology and improve, rotor material, cost, manufacture craft have been carried out bigger change.
Be specially:
1, rotor material, the rotor material of traditional internal rotor synchronous machine are magnetic property silicon steel sheet or electrical pure iron preferably.Inferior utility model rotor material is PA66, and PBT waits non-magnet material, can make by technologies such as injection mouldings.
2, the installation of magnetite, magnetite are directly installed in the magnetite draw-in groove of rotor cylindrical, replace traditional magnetite to add the fixed form of invading lacquer with the reed band, and the warp-wise of restriction magnetite moves.
3, rotor end-face adds the magnetite back-up ring, and the restriction magnetite moves axially.The magnetite cover material is PA66, PBT, non-magnet materials such as aluminium alloy.
4, the magnetite lid connected with being connected by tapping screw of rotor.
5, being connected of rotating shaft and rotor core is to connect by the quadric injection mould mode.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in this patent scope, various improvement and the variation carried out all belong to the protection range of the utility model patent.For example, change rotor material into POM, materials such as PP, or change magnetite lid into button bit etc. with being connected of rotor, all in the protection range of this patent.
Claims (2)
1. permagnetic synchronous motor includes stator, rotor and end cap, and described stator and rotor are arranged in the end cap inner chamber; Described rotor includes: rotor skeleton, polylith magnetite and armature spindle, and the periphery of described rotor skeleton is provided with the groove that equates with magnetite quantity, and magnetite is embedded in the described groove, and armature spindle is positioned at rotor skeleton middle part; It is characterized in that: on the upper and lower end face of described rotor, be provided with and can prevent the axially movable magnetite lid of magnetite, described magnetite lid is fixed on the rotor skeleton by fastener.
2. permagnetic synchronous motor according to claim 1, it is characterized in that: described rotor skeleton is provided with two-layer above groove combination and arranges by above-below direction, every layer of groove combination includes a plurality of a plurality of grooves that are distributed in the periphery of rotor skeleton, causes the rotor skeleton to be the gear-like structure; In the adjacent two layers groove combination, the center line of last low groove staggers mutually; The polylith magnetite is embedded in the two-layer above groove combination, forms two-layer above magnetite combination; The center line of the neighbouring magnetite distance that staggers mutually with the center line of last low groove that staggers mutually is identical.
3. permagnetic synchronous motor according to claim 2 is characterized in that: described rotor adopts non-magnet material to make.
4. permagnetic synchronous motor according to claim 3 is characterized in that: described rotor employing polyamide 66 or nylon 66 or polybutylene terephthalate (PBT) PBT or aluminum alloy materials are made..
5. according to any one described permagnetic synchronous motor in the claim 1 to 4, it is characterized in that: described armature spindle adopts 45 steel or stainless steel materials to make.
6. permagnetic synchronous motor according to claim 5 is characterized in that: described magnetite lid adopts non-magnet material to make.
7. permagnetic synchronous motor according to claim 6 is characterized in that: described magnetite lid employing polyamide 66 or nylon 66 or polybutylene terephthalate (PBT) PBT or aluminum alloy materials are made.
8. permagnetic synchronous motor according to claim 7 is characterized in that: described permagnetic synchronous motor is the controlled single-phase claw-pole permanent magnet synchronous motor of a kind of slow-speed of revolution self-starting direction.
9. permagnetic synchronous motor according to claim 8, it is characterized in that: described rotor comprises armature spindle (1), last tapping screw (2), last magnetite lid (3), rotor skeleton (4), magnetite (5), following magnetite lid (6) and following tapping screw (7), magnetite (5) is installed on the rotor skeleton, evenly distribute along rotor skeleton cylindrical, magnetite is radially fixed by the groove screens of rotor skeleton, axially by last magnetite lid (3), following magnetite lid (6) stops fixing, last magnetite lid (3), following magnetite lid (6) is fixed on rotor skeleton (4) two ends by tapping screw.
10. permagnetic synchronous motor according to claim 9 is characterized in that: described armature spindle (1) is the quadric injection mould mode with the connected mode of rotor skeleton (4), and armature spindle (1) cylindrical is provided with the annular knurl structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200082198U CN201994807U (en) | 2011-01-12 | 2011-01-12 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200082198U CN201994807U (en) | 2011-01-12 | 2011-01-12 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994807U true CN201994807U (en) | 2011-09-28 |
Family
ID=44671282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200082198U Expired - Fee Related CN201994807U (en) | 2011-01-12 | 2011-01-12 | Permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994807U (en) |
-
2011
- 2011-01-12 CN CN2011200082198U patent/CN201994807U/en not_active Expired - Fee Related
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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: 20110928 Termination date: 20190112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |