CN108183571A - A kind of magnetic suspension motor casing and magnetic suspension motor - Google Patents
A kind of magnetic suspension motor casing and magnetic suspension motor Download PDFInfo
- Publication number
- CN108183571A CN108183571A CN201810006472.6A CN201810006472A CN108183571A CN 108183571 A CN108183571 A CN 108183571A CN 201810006472 A CN201810006472 A CN 201810006472A CN 108183571 A CN108183571 A CN 108183571A
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- China
- Prior art keywords
- casing
- bearing
- casing ontology
- motor
- ontology
- 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
- 239000000725 suspension Substances 0.000 title claims abstract description 25
- 241000239290 Araneae Species 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to magnetic suspension motor technical fields, more particularly to a kind of magnetic suspension motor casing and magnetic suspension motor, casing includes casing ontology and the bearing spider for being used to fix permanent magnet offset radial magnetic bearing being arranged in casing ontology, and casing ontology and bearing spider are an integral structure；Casing ontology is cylindrical in shape structure, and bearing spider is set on one end of casing ontology, and the other end of casing ontology is provided with motor stator mounting structure.Casing ontology and bearing spider setting are an integral structure by casing provided by the invention, simplify the structure of motor, permanent magnet offset radial magnetic suspension bearing is fixed on bearing spider when being assembled using the motor of the casing, the fixation of bearing spider and casing ontology is eliminated, simplifies assembling process.And from Machine Design, due to bearing spider and casing ontology integral molding, dimension chain is simplified, reduces error propagation.
Description
Technical field
The present invention relates to magnetic suspension motor technical field more particularly to a kind of magnetic suspension motor casing and magnetic suspension electricity
Machine.
Background technology
Miniature motor is the most common form for converting electrical energy into mechanical energy, is had in household electrical appliance and industrial circle
It is widely applied.Traditional motor mainly includes motor stator portion, rotor part, rotor supports bearing and casing
Part is coupled or there are Mechanical Contact, therefore electronics turns between motor stator portion and rotor part by mechanical bearing
There are mechanical frictions in sub- motion process.Mechanical friction not only increases the frictional resistance of rotor, wears moving component, generates machine
Tool vibrates and noise, and component can be caused to generate heat, and makes lubricant degradation, serious that motor gas-gap can be made uneven, around
Group fever, temperature rises increase, final to shorten motor service life so as to reduce motor efficiency.And mechanical bearing needs lubricating oil
It maintains, not only influenced electrical machinery life in this way but also is unfavorable for the cleaning of equipment, therefore, in order to realize ultrahigh rotating speed operation and equipment
Long-life, cleaning oil-free must use contactless supporting way, i.e. magnetic suspension supporting way in the motor.
Existing magnetic suspension motor generally includes a casing and is arranged on rotor, stator and magnetic suspension bearing, casing
Rotor, stator and magnetic suspension bearing are fixed on the peace of casing by interior setting installation space by fixed forms such as bonding, screws
It fills in space.Particularly, permanent magnet biased magnetic bearing usually requires first to be fixed by bearing spider, further by bearing spider and casing
Installation is fixed, and parts are more, and installation operation is complicated.
Invention content
(1) technical problems to be solved
The object of the present invention is to provide a kind of monoblock type motor cases, solve the problems, such as that motor part is more in the prior art.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of magnetic suspension motor casing, including casing ontology and
The bearing spider for being used to fix permanent magnet offset radial magnetic bearing being arranged in the casing ontology, the casing ontology and institute
Bearing spider is stated to be an integral structure；
The casing ontology is cylindrical in shape structure, and the bearing spider is set on one end of the casing ontology, the casing sheet
The other end of body is provided with the motor stator mounting structure for installing motor stator.
According to the present invention, heat emission hole is provided on the casing.
According to the present invention, the heat emission hole is arranged between the casing ontology and the bearing spider.
According to the present invention, the bearing spider includes the annular outer wall coaxial with the casing ontology and positioned at the ring
Installing plate in shape outer wall circular cross-section, the core of the installing plate are equipped with the through-hole passed through for shaft；The installing plate with
The circumferentially spaced multiple mounting holes of setting between the annular outer wall, for being embedded in piecemeal permanent magnet.
According to the present invention, the diameter of the through-hole is less than the annular bore dia of formation between multiple magnetic poles to be installed.
According to the present invention, the inner ring of the installing plate is provided with multiple grooves, and sensing is both provided in each groove
Device is popped one's head in, and the sensor probe is located at the inside grooves towards the end face of the installing plate core.
According to the present invention, the casing is made of magnesium alloy or aluminium alloy.
According to the present invention, the motor stator mounting structure is the motor stator installation for being set to the casing ontology inner wall
Step.
The present invention also provides a kind of magnetic suspension motors, and including two above-mentioned casings, two casings are equipped with motor
One end of stator mounting structure is fixedly connected.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that compared with prior art：Casing provided by the invention is by casing
Ontology is an integral structure with bearing spider setting, simplifies the structure of motor, by permanent magnetism when being assembled using the motor of the casing
Bias radial direction magnetic suspension bearing is fixed on bearing spider, eliminates the fixation of bearing spider and casing ontology, simplifies assembling
Process.And from Machine Design, due to bearing spider and casing ontology integral molding, dimension chain is simplified, is reduced
Error propagation.Each part installation positioning of magnetic suspension bearing is more secured, reduces unnecessary vibration.
Description of the drawings
Fig. 1 is the structure diagram of casing provided in an embodiment of the present invention；
Fig. 2 is the explosive view of the casing provided in an embodiment of the present invention for being equipped with permanent magnet offset radial magnetic bearing；
Fig. 3 is the sectional view of the casing provided in an embodiment of the present invention for being equipped with permanent magnet offset radial magnetic bearing；
Fig. 4 is the schematic diagram of motor provided in an embodiment of the present invention.
In figure：1：Casing ontology；2：Bearing spider；3：Motor stator installation step；4：Heat emission hole；5：Annular outer wall；6：
Installing plate；7：Mounting hole；8：First magnetizer；9：Second magnetizer；10：Permanent magnet.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of magnetic suspension motor casing provided in an embodiment of the present invention, including casing ontology 1 and
The bearing spider 2 for being used to fix permanent magnet offset radial magnetic bearing being arranged in casing ontology 1, casing ontology 1 and bearing branch
Seat 2 is an integral structure；Casing ontology 1 is cylindrical in shape structure, and bearing spider 2 is set on one end of casing ontology 1, casing ontology 1
The other end is provided with the motor stator mounting structure for installing motor stator.Motor stator mounting structure is preferred in the present embodiment
To be set to the motor stator installation step 3 of casing ontology inner wall, naturally it is also possible to other be waited to can be used for motor for protrusion and determined
Son positioning, fixed structure.Casing ontology 1 and the setting of bearing spider 2 are an integral structure by casing provided by the invention, are simplified
Permanent magnet offset radial magnetic suspension bearing is fixed on bearing spider 2 by the structure of motor when being assembled using the motor of the casing,
The fixation of bearing spider 2 and casing ontology 1 is eliminated, simplifies assembling process.And from Machine Design, due to bearing
Bearing 2 and 1 integral molding of casing ontology, simplify dimension chain, reduce error propagation.Each part installation of magnetic suspension bearing
Positioning is more secured, reduces unnecessary vibration.
Preferably, heat emission hole 4 is provided in the present embodiment on casing, for the heat generated in the motor course of work to be dissipated
Go out, ensure the normal work of motor.Further, the heat emission hole 4 in the present embodiment is arranged on casing ontology 1 and bearing spider 2
Between.Heat emission hole 4, which is arranged between casing ontology 1 and bearing spider 2, is reasonably utilized space, and the heat emission hole 4 of formation plays
The effect of heat dissipation, and in the case that casing ontology 1 and bearing spider 2 are connected firmly by the connecting plate between heat emission hole 4, subtract
The light weight of casing.
Preferably, the present embodiment middle (center) bearing bearing 2 includes the annular outer wall 5 coaxial with casing ontology 1 and positioned at annular
Installing plate 6 in 5 circular cross-section of outer wall, the core of installing plate 6 are equipped with the through-hole passed through for shaft；Outside installing plate 6 and annular
The circumferentially spaced multiple mounting holes 7 of setting between wall 5, for being embedded in piecemeal permanent magnet 10.Sectional type permanent magnet 10 is directly fixed
In mounting hole 7, installation positioning is more secured, reduces unnecessary vibration.As shown in Fig. 2, the first magnetizer 8 and the second magnetic conduction
Body 9 sets up separately in the both sides of installing plate 6, and the outer ring of the first magnetizer 8 is Nian Jie with the medial surface of annular outer wall 5, and permanent magnet 10 is set
It is connect in mounting hole 7, and with the first magnetizer 8 and the second magnetizer 9.
Preferably, as shown in figure 3, the diameter a of through-hole forms ring between being less than multiple magnetic poles to be installed in the present embodiment
Shape bore dia b.In the present embodiment the through-hole of installing plate 6 due to diameter it is smaller, can be used simultaneously as the protection bearing of shaft,
Motor reduces parts without additionally mounted protection bearing.
Preferably, the inner ring of installing plate 6 is provided with multiple groove (not shown)s in the present embodiment, in each groove
Sensor probe is provided with, and sensor probe is located inside grooves towards the end face of 6 core of installing plate.Installing plate 6 is made simultaneously
For the bearing of sensor, integrated level higher.
Preferably, casing is made of magnesium alloy or aluminium alloy in the present embodiment.Both ensured using aluminium alloy or magnesium alloy
The intensity of casing, and ensure that the lightweight of motor.
The present invention also provides a kind of magnetic suspension motor, as shown in figure 4, including two above-mentioned casings, two casings are set
The one end for having motor stator mounting structure is fixedly connected.Motor stator mounting structure is motor stator installation step in the present embodiment
3, motor stator is arranged between the installation step of two casing ontologies.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of magnetic suspension motor casing, it is characterised in that：Including casing ontology and the use being arranged in the casing ontology
In the bearing spider of fixed permanent magnet offset radial magnetic bearing, the casing ontology and the bearing spider are an integral structure；
The casing ontology is cylindrical in shape structure, and the bearing spider is set on one end of the casing ontology, the casing ontology
The other end is provided with the motor stator mounting structure for installing motor stator.
2. casing according to claim 1, it is characterised in that：Heat emission hole is provided on the casing.
3. casing according to claim 2, it is characterised in that：The heat emission hole is arranged on the casing ontology and the axis
It holds between bearing.
4. casing according to claim 1, it is characterised in that：The bearing spider includes coaxial with the casing ontology
Annular outer wall and the installing plate in the annular outer wall circular cross-section, the core of the installing plate is equipped with to be worn for shaft
The through-hole crossed；The circumferentially spaced multiple mounting holes of setting between the installing plate and the annular outer wall, for being embedded in piecemeal forever
Magnet.
5. casing according to claim 4, it is characterised in that：The diameter of the through-hole be less than multiple magnetic poles to be installed it
Between form annular bore dia.
6. casing according to claim 4 or 5, it is characterised in that：The inner ring of the installing plate is provided with multiple grooves, often
Sensor probe is both provided in a groove, and the sensor probe is located at institute towards the end face of the installing plate core
State inside grooves.
7. casing according to claim 1, it is characterised in that：The casing is made of magnesium alloy or aluminium alloy.
8. casing according to claim 1, it is characterised in that：The motor stator mounting structure is is set to the casing
The motor stator installation step of inner body wall.
9. a kind of magnetic suspension motor, it is characterised in that：Including two such as claim 1-8 any one of them casings, two institutes
The one end of casing equipped with motor stator mounting structure is stated to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006472.6A CN108183571B (en) | 2018-01-04 | 2018-01-04 | Magnetic suspension motor shell and magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810006472.6A CN108183571B (en) | 2018-01-04 | 2018-01-04 | Magnetic suspension motor shell and magnetic suspension motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183571A true CN108183571A (en) | 2018-06-19 |
| CN108183571B CN108183571B (en) | 2024-03-26 |
Family
ID=62549783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810006472.6A Active CN108183571B (en) | 2018-01-04 | 2018-01-04 | Magnetic suspension motor shell and magnetic suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183571B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285558A (en) * | 2021-04-22 | 2021-08-20 | 东南大学 | Bias magnetic field adjustable force balance type stator permanent magnet motor magnetic bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852005A (en) * | 2006-04-30 | 2006-10-25 | 南京航空航天大学 | Super-high-speed high-power magnetic-suspension main-shaft motor |
| CN101217240A (en) * | 2008-01-04 | 2008-07-09 | 洛阳轴研科技股份有限公司 | An electric spindle design adopting air static pressure anti-thrusting and electromagnetism radical bearing support |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN107093938A (en) * | 2017-06-15 | 2017-08-25 | 深圳麦格动力技术有限公司 | Magnetic suspension motor and domestic air conditioning |
| CN107181359A (en) * | 2017-06-15 | 2017-09-19 | 深圳麦格动力技术有限公司 | Multilayer permanent magnetism off-set magnetic suspension unit, magnetic suspension motor and domestic air conditioning |
| CN207968131U (en) * | 2018-01-04 | 2018-10-12 | 苏州麦格奈迪磁悬浮技术有限公司 | A kind of magnetic suspension motor casing and magnetic suspension motor |
-
2018
- 2018-01-04 CN CN201810006472.6A patent/CN108183571B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852005A (en) * | 2006-04-30 | 2006-10-25 | 南京航空航天大学 | Super-high-speed high-power magnetic-suspension main-shaft motor |
| CN101217240A (en) * | 2008-01-04 | 2008-07-09 | 洛阳轴研科技股份有限公司 | An electric spindle design adopting air static pressure anti-thrusting and electromagnetism radical bearing support |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN107093938A (en) * | 2017-06-15 | 2017-08-25 | 深圳麦格动力技术有限公司 | Magnetic suspension motor and domestic air conditioning |
| CN107181359A (en) * | 2017-06-15 | 2017-09-19 | 深圳麦格动力技术有限公司 | Multilayer permanent magnetism off-set magnetic suspension unit, magnetic suspension motor and domestic air conditioning |
| CN207968131U (en) * | 2018-01-04 | 2018-10-12 | 苏州麦格奈迪磁悬浮技术有限公司 | A kind of magnetic suspension motor casing and magnetic suspension motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113285558A (en) * | 2021-04-22 | 2021-08-20 | 东南大学 | Bias magnetic field adjustable force balance type stator permanent magnet motor magnetic bearing |
| CN113285558B (en) * | 2021-04-22 | 2022-04-29 | 东南大学 | Bias magnetic field adjustable force balance type stator permanent magnet motor magnetic bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108183571B (en) | 2024-03-26 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200708 Address after: 100095 Unit 301-B146, Building 17, No. 3 Gaolizhang Road, Haidian District, Beijing Applicant after: Beijing Kuntengmig Technology Co.,Ltd. Address before: 215151 Room 203, 2 building, 148 Hwang Road, Suzhou hi tech Zone, Suzhou, Jiangsu Applicant before: SUZHOU MAIGE NAIDI MAGNETIC SUSPENSION TECHNOLOGY Co.,Ltd. |
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