CN203632509U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN203632509U CN203632509U CN201320863883.XU CN201320863883U CN203632509U CN 203632509 U CN203632509 U CN 203632509U CN 201320863883 U CN201320863883 U CN 201320863883U CN 203632509 U CN203632509 U CN 203632509U
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- CN
- China
- Prior art keywords
- keeper
- synchronous motor
- permagnetic synchronous
- end cap
- rotary transformer
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- 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.)
- Expired - Lifetime
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 33
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a permanent magnet synchronous motor. The permanent magnet synchronous motor comprises a housing provided with a first locating piece, a rotary transformer stator provided with a second locating piece, a rotary transformer rotor provided with a third locating piece and a central rotating shaft provided with a fourth locating piece; and the housing, the rotary transformer stator, the rotary transformer rotor and the central rotating shaft are successively arranged from outside to inside. The housing is fixedly connected to the rotary transformer stator, and the first and second locating pieces are aligned with each other in the circumferential direction; and the rotary transformer rotor is fixedly connected to the central rotating shaft, and the third and fourth locating pieces are aligned with each other in the circumferential direction. According to the permanent magnet synchronous motor, normative circumferential locating is performed on the rotary transformer rotor and the rotary transformer stator, and a rotary transformer stator after replacement and a rotary transformer rotor after the replacement are located circumferential positions totally consistent with circumferential positions of a previous rotary transformer stator and a previous rotary transformer rotor, so a control program is effectively prevented from rezeroing.
Description
Technical field
The utility model relates to motor technology field, relates in particular to a kind of permagnetic synchronous motor.
Background technology
In order to realize the high accuracy control of permagnetic synchronous motor, need to carry out Real-Time Monitoring to its rotor-position and rotating speed.This monitoring adopts resolver simple in structure, that reliability is high to realize conventionally.Resolver is made up of resolver rotor and resolver stator conventionally.
The resolver rotor of existing permagnetic synchronous motor and stator Dou Shi producer direct-assembling.After assembling, need to return to zero to control program for their installation site, so just can guarantee that resolver can monitor permagnetic synchronous motor accurately and efficiently.But, after the resolver of permagnetic synchronous motor breaks down, just need to carry out rezeroing to control program for the resolver of changing.If used permagnetic synchronous motor train need to for change resolver to control program rezeroing, can cause so overall zeroing process to waste time and energy, very likely delay the normal operation of train, thereby cause heavy losses to operation department.
Utility model content
The purpose of this utility model is to provide a kind of permagnetic synchronous motor, it carries out the circumferential location of standard to resolver rotor and stator, make change after resolver stator and rotor and before turn resolver stator and the residing circumferential position of rotor is in full accord, thereby effectively avoided control program rezeroing.
The invention provides a kind of permagnetic synchronous motor, comprise the housing with the first keeper, the resolver stator with the second keeper that radially coaxial-type is arranged successively from outside to inside, there is the resolver rotor of the 3rd keeper, and there is the central rotating shaft of the 4th keeper.Wherein, housing and resolver stator are affixed, and the first and second keepers are along being circumferentially in alignment with each other, and resolver rotor and central rotating shaft are affixed, and the third and fourth keeper edge is circumferentially in alignment with each other.
In one embodiment, the first keeper is the first marking line, and the second keeper is the second marking line.
In one embodiment, the first keeper is the radial protrusion being located on the inwall of housing, and the second keeper is the radial depressions for matching with radial protrusion being located on the outer wall of resolver stator.
In one embodiment, the 3rd keeper is the first keyway being located on the inwall of resolver rotor, the 4th keeper is the second keyway being located on the outer wall of central rotating shaft, is provided with the positioning key matching with the first and second keyways in the first and second keyways.
In one embodiment, the 3rd keeper is the first Rong Ding hole that radially connects resolver rotor, and the 4th keeper is the second Rong Ding hole being located on the outer wall of central rotating shaft, in the first and second Rong Ding holes, is provided with alignment pin or dog screw.
In one embodiment, housing comprises shell body and the end cap being connected with shell body, and the first keeper is located on end cap, and resolver stator and end cap are affixed, and first and second keeper is along being circumferentially in alignment with each other.
In one embodiment, on the outer wall of shell body, be provided with the 3rd marking line distributing vertically, on end cap, be provided with the 4th marking line distributing vertically.
In one embodiment, on the composition surface of shell body and end cap, the axial depression that is respectively equipped with axial projection and matches with axial projection on shell body and end cap vertically.
According to permagnetic synchronous motor of the present utility model, resolver stator and rotor after can effectively guaranteeing to change by circumferential locate mode with before turn resolver stator and the residing circumferential position of rotor is consistent, thereby effectively avoid control program rezeroing, facilitated thus the equipment of this permagnetic synchronous motor or the maintenance maintenance in the future of device are installed.In addition, can effectively avoid causing heavy losses because of rezeroing process to train operation department according to permagnetic synchronous motor of the present utility model.
According to permagnetic synchronous motor of the present utility model simple to operate, positioning precision is higher, is easy to the maintenance of resolver.
Accompanying drawing explanation
To be described in more detail the utility model based on embodiment and with reference to accompanying drawing hereinafter.Wherein:
Fig. 1 has shown according to the cutaway view of the junction of the shell body of permagnetic synchronous motor of the present utility model and end cap; And
Fig. 2 has shown the shell body according to permagnetic synchronous motor of the present utility model.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to actual scale.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, comprise radially housing 12, resolver stator 2, the resolver rotor 1 that coaxial-type is arranged successively from outside to inside, central rotating shaft 6 according to permagnetic synchronous motor 20 of the present utility model.
As shown in Figure 1, housing 12 of the present utility model is roughly rounded.Housing 12 comprises that shell body 9(connected to one another is shown in Fig. 2) and end cap 7.Shell body 9 is for example realized circumferential location each other by following two kinds of optimal ways with end cap 7.One is respectively equipped with the 3rd marking line 10 distributing vertically and the 4th marking line 13 distributing vertically on the outer wall of shell body 9 and end cap 7.After the 3rd marking line 10 and the 4th marking line 13 are neat towards each other along week, can effectively complete the circumferential location of shell body 9 and end cap 7.Its two, on the composition surface of shell body 9 and end cap 7, on shell body 9 and end cap 7, can be respectively equipped with axial projection (not shown) and axial depression (not shown) vertically.Axial projection can matched be embedded in axial depression, and shell body 9 is circumferentially located with respect to end cap 7.
According to the utility model, housing 12 is affixed with resolver stator 2.Housing 12 and resolver stator 2 comprise respectively the first keeper 4 and the second keeper 5.Under normal circumstances, resolver stator 2 is fixed on the end cap 7 of housing 12, so just the first keeper 4 need to be arranged on end cap 7.When the first keeper 4 on end cap 7 with in the time that the second keeper 5 edges of resolver stator 2 are circumferentially in alignment with each other, affixed to end cap 7 and resolver stator 2, the circumferential location that can effectively realize thus end cap 7 and resolver stator 2.Afterwards, the more circumferential location of realizing resolver stator 2 and shell body 9 by end cap 7 and the circumferential location of shell body 9.Like this, just can effectively realize resolver stator 2 and the circumferential location that is located at permagnetic synchronous motor 20 stators in shell body 9.
In one embodiment, the first keeper 4 and the second keeper 5 can be respectively the first marking line being located on housing 12 and are located at the second marking line on resolver stator 2.By the mode that the first and second marking lines are alignd, can effectively realize the circumferential location of resolver stator 2 and housing 12.In another embodiment, the first keeper 4 can be the radial protrusion (not shown) on the inwall that is located at housing 12, and the second keeper 5 is for being located at the radial depressions (not shown) on the outer wall of resolver stator 2.Radial protrusion can be embedded in radial depressions matchingly, realizes the circumferential location of resolver stator 2 and housing 12.
According to the utility model, resolver rotor 1 is fixedly connected with each other with central rotating shaft 6, and can be in the interior common rotation of resolver stator 2.Resolver rotor 1 has the 3rd keeper 8.And central rotating shaft 6 has the 4th keeper 11.At the 3rd keeper 8 and the 4th keeper 11 along situation about being circumferentially in alignment with each other affixed to resolver rotor 1 and central rotating shaft 6.Like this, can effectively realize the circumferential location between resolver rotor 1 and central rotating shaft 6.
In diagram preferred embodiment, the 3rd keeper 8 is for being located at the first keyway on the inwall of resolver rotor 1, and the 4th keeper 11 is for being located at the second keyway on the outer wall of central rotating shaft 6.The first and second keyways can mate and the sealing keyway that forms, and are provided with the positioning key 3 matching with it in sealing keyway.Like this, can effectively realize the circumferential location between resolver rotor 1 and central rotating shaft 6.In addition, the 3rd keeper 8 also can be the first Rong Ding hole (not shown) that radially connects resolver rotor 1, and the 4th keeper 11 is for being located at the second Rong Ding hole (not shown) on the outer wall of central rotating shaft 6.After first and second Rong Ding hole is in alignment with each other, can embed alignment pin or dog screw (not shown) therein, can effectively realize so the circumferential location between resolver rotor 1 and central rotating shaft 6.
Below introduce according to the assembling process of permagnetic synchronous motor 20 of the present utility model.First, the first keeper 4 of adjusting on end cap 7 aligns mutually with the second keeper 5 on resolver stator 2, afterwards affixed end cap 7 and resolver stator 2.Then, the 3rd keeper 8 of adjusting on resolver rotor 1 aligns mutually with the 4th keeper 11 on central rotating shaft 6, afterwards affixed adjustment resolver rotor 1 and central rotating shaft 6.Finally, the 4th marking line 13 of adjusting on end cap 7 aligns mutually with the 3rd marking line 10 on shell body 9, affixed end cap 7 and shell body 9 afterwards, and assembling process completes.
According to permagnetic synchronous motor 20 of the present utility model, resolver stator and rotor after can effectively guaranteeing to change by circumferential locate mode with before turn resolver stator and the residing circumferential position of rotor is consistent, thereby effectively avoid control program rezeroing, facilitated thus the equipment of this permagnetic synchronous motor 20 or the maintenance maintenance in the future of device are installed.According to permagnetic synchronous motor 20 of the present utility model simple to operate, positioning precision is higher, is easy to the maintenance of resolver.
Although the utility model is described with reference to preferred embodiment, in the situation that not departing from scope of the present utility model, can carries out various improvement and can replace parts wherein with equivalent it.Especially, only otherwise have structural hazard, every technical characterictic of mentioning in each embodiment all can combine in any way.The utility model is not limited to disclosed specific embodiment in literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (8)
1. a permagnetic synchronous motor, it is characterized in that, comprise the housing with the first keeper, the resolver stator with the second keeper that radially coaxial-type is arranged successively from outside to inside, there is the resolver rotor of the 3rd keeper, and there is the central rotating shaft of the 4th keeper, wherein, described housing and resolver stator are affixed, and described the first and second keepers are along being circumferentially in alignment with each other, and described resolver rotor and central rotating shaft are affixed, and described the third and fourth keeper is along being circumferentially in alignment with each other.
2. permagnetic synchronous motor according to claim 1, is characterized in that, described the first keeper is the first marking line, and described the second keeper is the second marking line.
3. permagnetic synchronous motor according to claim 1, it is characterized in that, described the first keeper is the radial protrusion being located on the inwall of described housing, and described the second keeper is the radial depressions for matching with described radial protrusion being located on the outer wall of described resolver stator.
4. according to the permagnetic synchronous motor described in any one in claim 1 to 3, it is characterized in that, described the 3rd keeper is the first keyway being located on the inwall of described resolver rotor, the 4th keeper is the second keyway being located on the outer wall of described central rotating shaft, is provided with the positioning key matching with described the first and second keyways in described the first and second keyways.
5. according to the permagnetic synchronous motor described in any one in claim 1 to 3, it is characterized in that, described the 3rd keeper is the first Rong Ding hole that radially connects described resolver rotor, and the 4th keeper is the second Rong Ding hole being located on the outer wall of described central rotating shaft, in described the first and second Rong Ding holes, is provided with alignment pin or dog screw.
6. according to the permagnetic synchronous motor described in any one in claim 1 to 3, it is characterized in that, described housing comprises shell body and the end cap being connected with described shell body, described the first keeper is located on described end cap, described resolver stator and end cap are affixed, and described first and second keeper is along being circumferentially in alignment with each other.
7. permagnetic synchronous motor according to claim 6, is characterized in that, is provided with the 3rd marking line distributing vertically on the outer wall of described shell body, is provided with the 4th marking line distributing vertically on described end cap.
8. permagnetic synchronous motor according to claim 6, is characterized in that, on the composition surface of described shell body and end cap, and the axial depression that is respectively equipped with axial projection and matches with described axial projection on described shell body and end cap vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863883.XU CN203632509U (en) | 2013-12-25 | 2013-12-25 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863883.XU CN203632509U (en) | 2013-12-25 | 2013-12-25 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632509U true CN203632509U (en) | 2014-06-04 |
Family
ID=50818945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863883.XU Expired - Lifetime CN203632509U (en) | 2013-12-25 | 2013-12-25 | Permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632509U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779762A (en) * | 2015-04-17 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Rotary transformer for rotary motor |
| CN108809154A (en) * | 2018-06-14 | 2018-11-13 | 珠海格力电器股份有限公司 | Novel magnetic suspension high-speed motor and method for detecting position of motor rotor |
| CN110501116A (en) * | 2019-08-27 | 2019-11-26 | 潍坊学院 | The telescopic adjustable three-line pendulum of three space of lines |
| CN110501117A (en) * | 2019-08-27 | 2019-11-26 | 潍坊学院 | The rigid body for verifying solid moment of inertia perpendicular axis theorem is accurately positioned three-line pendulum |
-
2013
- 2013-12-25 CN CN201320863883.XU patent/CN203632509U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779762A (en) * | 2015-04-17 | 2015-07-15 | 南车株洲电力机车研究所有限公司 | Rotary transformer for rotary motor |
| CN104779762B (en) * | 2015-04-17 | 2018-04-13 | 南车株洲电力机车研究所有限公司 | A kind of electric rotating machine rotary transformer |
| CN108809154A (en) * | 2018-06-14 | 2018-11-13 | 珠海格力电器股份有限公司 | Novel magnetic suspension high-speed motor and method for detecting position of motor rotor |
| CN110501116A (en) * | 2019-08-27 | 2019-11-26 | 潍坊学院 | The telescopic adjustable three-line pendulum of three space of lines |
| CN110501117A (en) * | 2019-08-27 | 2019-11-26 | 潍坊学院 | The rigid body for verifying solid moment of inertia perpendicular axis theorem is accurately positioned three-line pendulum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |