CN110098687A - Underwater robot magnetic suspension bearing servo motor - Google Patents
Underwater robot magnetic suspension bearing servo motor Download PDFInfo
- Publication number
- CN110098687A CN110098687A CN201910283079.6A CN201910283079A CN110098687A CN 110098687 A CN110098687 A CN 110098687A CN 201910283079 A CN201910283079 A CN 201910283079A CN 110098687 A CN110098687 A CN 110098687A
- Authority
- CN
- China
- Prior art keywords
- bearing
- permanent magnet
- stator
- external rotor
- inner rotator
- 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.)
- Pending
Links
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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
Abstract
Underwater robot magnetic suspension bearing servo motor of the present invention, including external rotor electric machine and inner rotor motor；External rotor electric machine includes the one group of permanent magnet A of internal stator bearing, inner rotator bearing, setting for the axial ends of internal stator bearing, permanent magnet A is made of rubidium iron boron, magnetizing direction uses identical polarity with the permanent magnet A at the magnetic pole of internal stator bearing along inner rotator bearing axial charging, the magnetic pole of inner rotator bearing；Inner rotor motor includes the one group of permanent magnet B of outer stator bearing, setting for the axial ends of outer stator bearing, permanent magnet B is made of rubidium iron boron, magnetizing direction uses identical polarity with the permanent magnet B at the magnetic pole of outer stator bearing along external rotor bearing axial charging, the magnetic pole of external rotor bearing.
Description
Technical field
The present invention relates to power driving parts, in particular to scientific research robot power driving part, specifically, it shows
A kind of underwater robot magnetic suspension bearing servo motor.
Background technique
When underwater robot work is run under water, since water body is rich in oxygen, and in the salt water environment rich in salt,
In the lower acidic environment of pH value or in the higher alkaline environment of pH value, greatly oxidation and corruption can be all generated to motor inside
Erosion effect, and servo motor bearing be the key effects such as fixed, connection is played and is driven easily to be oxidized and corrode, once watch
Take motor bearings will lead to motor and is not available by water body corrosion, and the service life of motor is with regard to this termination.
Existing underwater robot servo motor sealing technique does not ensure that water body will not centainly enter in motor, and
In servo motor operational process, friction is generated due to contacting between stator and the bearing of rotor, grinds the etch resistant layer of bearing
Damage accelerates bearing to be aoxidized by brine corrosion, and the friction between stator and the bearing of rotor can also generate high temperature, greatly reduce electricity
The service life of machine；And friction can generate additional power loss between stator and the bearing of rotor, reduce motor service efficiency
With machine output power.
Therefore, it is necessary to provide a kind of underwater robot magnetic suspension bearing servo motor to solve the above problems.
Summary of the invention
The object of the present invention is to provide a kind of underwater robot magnetic suspension bearing servo motors, and which obviate rotor axis of electric
It holds and is directly contacted with stator, effectively solve the bearing generated in underwater robot servo motor operational process due to bearing touch
Wear problem.
Technical solution is as follows:
A kind of underwater robot magnetic suspension bearing servo motor, including external rotor electric machine and inner rotor motor；
External rotor electric machine includes the axial ends of internal stator bearing, inner rotator bearing, setting for internal stator bearing
One group of permanent magnet A, permanent magnet A are made of rubidium iron boron, and magnetizing direction is along inner rotator bearing axial charging, inner rotator bearing
Magnetic pole and internal stator bearing magnetic pole at permanent magnet A use identical polarity；
Inner rotor motor includes the one group of permanent magnet B of outer stator bearing, setting for the axial ends of outer stator bearing, forever
Magnet B is made of rubidium iron boron, and for magnetizing direction along external rotor bearing axial charging, the magnetic pole of external rotor bearing and outside are fixed
Permanent magnet B at the magnetic pole of sub- bearing uses identical polarity.
Further, permanent magnet A is truncated cone-shaped, semielliptical shape or cylinder；Permanent magnet A is outer with inner rotator bearing
Layer is coated with corrosion-resistant, oxidation resistant epoxy resin layer.
Further, its assembling procedure of external rotor electric machine are as follows:
1) the permanent magnet A of internal stator bearing portions is inserted in internal stator bearing；
2) inner rotor shaft socket joint is entered in stator bearing；
3) the permanent magnet A of inner rotator bearing portion point is inserted in inner rotator bearing and is fixed on internal turn with screw or rivet
Sub- bearing；
4) inner rotator is placed on inner rotator bearing and fixes, and stator rear end cap is connected and fixed with stator.
Further, permanent magnet B is truncated cone-shaped, semielliptical shape or cylinder；Permanent magnet B is outer with external rotor bearing
Layer is coated with corrosion-resistant, oxidation resistant epoxy resin layer.
Further, its assembling procedure of inner rotor motor are as follows:
1) the permanent magnet B of outer stator bearing portions is inserted in outer stator bearing；
2) external rotor bearing is inserted into stator bearing；
3) the permanent magnet B of external rotor bearing portions is inserted in external rotor bearing and is fixed on external turn with screw or rivet
Sub- bearing；
4) external rotor is placed on external rotor bearing and fixes, and stator rear end cap is connected and fixed with stator.
Compared with prior art, the invention avoids rotor bearings directly contacts with stator, to guarantee armature spindle
The etch resistant layer held is not worn, while also avoiding rotor and stator and make its abrasion because directly contacting, and improving motor makes
With service life and working efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of external rotor electric machine of the invention.
Fig. 2 is the schematic diagram of inner rotor motor of the invention.
Fig. 3 is the structural schematic diagram of permanent magnet A or permanent magnet B of the invention.
Fig. 4 is the assemble flow schematic diagram of external rotor electric machine of the invention.
Fig. 5 is the assemble flow schematic diagram of inner rotor motor of the invention.
Specific embodiment
Embodiment:
Refering to fig. 1,2, the present embodiment shows a kind of underwater robot magnetic suspension bearing servo motor, including external rotor electric machine and interior
Rotor electric machine；
External rotor electric machine includes the axial ends of internal stator bearing, inner rotator bearing, setting for internal stator bearing 1
One group of permanent magnet A, permanent magnet A are made of rubidium iron boron, and magnetizing direction is along inner rotator bearing axial charging, inner rotator bearing
Magnetic pole and internal stator bearing magnetic pole at permanent magnet A use identical polarity；
Inner rotor motor includes the one group of permanent magnet B of outer stator bearing, setting for the axial ends of outer stator bearing, forever
Magnet B is made of rubidium iron boron, and for magnetizing direction along external rotor bearing axial charging, the magnetic pole of external rotor bearing and outside are fixed
Permanent magnet B at the magnetic pole of sub- bearing uses identical polarity.
Refering to Fig. 3, permanent magnet A is truncated cone-shaped, semielliptical shape or cylinder；Permanent magnet A is outer with inner rotator bearing
Layer is coated with corrosion-resistant, oxidation resistant epoxy resin layer；
Permanent magnet B is truncated cone-shaped, semielliptical shape or cylinder；The outer layer of permanent magnet B and external rotor bearing is coated with corrosion resistant
Erosion, oxidation resistant epoxy resin layer.
Refering to its assembling procedure of figure external rotor electric machine are as follows:
1) the permanent magnet A of internal stator bearing portions is inserted in internal stator bearing；
2) inner rotor shaft socket joint is entered in internal stator bearing；
3) the permanent magnet A of inner rotator bearing portion point is inserted in inner rotator bearing and is fixed on internal turn with screw or rivet
Sub- bearing；
4) inner rotator is placed on inner rotator bearing and fixes, and stator rear end cap is connected and fixed with stator.
Refering to its assembling procedure of figure inner rotor motor are as follows:
1) the permanent magnet B of outer stator bearing portions is inserted in outer stator bearing；
2) external rotor bearing is inserted into outer stator bearing；
3) the permanent magnet B of external rotor bearing portions is inserted in outer stator bearing and is fixed on outside with screw or rivet and determined
Sub- bearing；
4) external rotor is placed on external rotor bearing and fixes, and stator rear end cap is connected and fixed with stator.
Compared with prior art, the invention avoids rotor bearings directly contacts with stator, to guarantee armature spindle
The etch resistant layer held is not worn, while also avoiding rotor and stator and make its abrasion because directly contacting, and improving motor makes
With service life and working efficiency.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (5)
1. a kind of underwater robot magnetic suspension bearing servo motor, it is characterised in that: including external rotor electric machine and inner rotor motor；
External rotor electric machine includes the axial ends of internal stator bearing, inner rotator bearing, setting for internal stator bearing
One group of permanent magnet A, permanent magnet A are made of rubidium iron boron, and magnetizing direction is along inner rotator bearing axial charging, inner rotator bearing
Magnetic pole and internal stator bearing magnetic pole at permanent magnet A use identical polarity；
Inner rotor motor includes the one group of permanent magnet B of outer stator bearing, setting for the axial ends of outer stator bearing, forever
Magnet B is made of rubidium iron boron, and for magnetizing direction along external rotor bearing axial charging, the magnetic pole of external rotor bearing and outside are fixed
Permanent magnet B at the magnetic pole of sub- bearing uses identical polarity.
2. a kind of underwater robot magnetic suspension bearing servo motor according to claim 1, it is characterised in that: permanent magnet A
It is truncated cone-shaped, semielliptical shape or cylinder；The outer layer of permanent magnet A and inner rotator bearing is coated with corrosion-resistant, oxidation resistant
Epoxy resin layer.
3. a kind of underwater robot magnetic suspension bearing servo motor according to claim 1 or 2, it is characterised in that: outer to turn
Its assembling procedure of sub-motor are as follows:
1) the permanent magnet A of internal stator bearing portions is inserted in internal stator bearing；
2) inner rotor shaft socket joint is entered in stator bearing；
3) the permanent magnet A of inner rotator bearing portion point is inserted in inner rotator bearing and is fixed on internal turn with screw or rivet
Sub- bearing；
4) inner rotator is placed on inner rotator bearing and fixes, and stator rear end cap is connected and fixed with stator.
4. a kind of underwater robot magnetic suspension bearing servo motor according to claim 3, it is characterised in that: permanent magnet B
It is truncated cone-shaped, semielliptical shape or cylinder；The outer layer of permanent magnet B and external rotor bearing is coated with corrosion-resistant, oxidation resistant
Epoxy resin layer.
5. a kind of underwater robot magnetic suspension bearing servo motor according to claim 4, it is characterised in that: internal rotor electricity
Its assembling procedure of machine are as follows:
1) the permanent magnet B of outer stator bearing portions is inserted in outer stator bearing；
2) external rotor bearing is inserted into stator bearing；
3) the permanent magnet B of external rotor bearing portions is inserted in external rotor bearing and is fixed on external turn with screw or rivet
Sub- bearing；
4) external rotor is placed on external rotor bearing and fixes, and stator rear end cap is connected and fixed with stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283079.6A CN110098687A (en) | 2019-06-20 | 2019-06-20 | Underwater robot magnetic suspension bearing servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910283079.6A CN110098687A (en) | 2019-06-20 | 2019-06-20 | Underwater robot magnetic suspension bearing servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110098687A true CN110098687A (en) | 2019-08-06 |
Family
ID=67444542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910283079.6A Pending CN110098687A (en) | 2019-06-20 | 2019-06-20 | Underwater robot magnetic suspension bearing servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110098687A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278487Y (en) * | 2008-09-27 | 2009-07-22 | 沈阳工业大学 | Inner and outer rotor contrary rotating permanent magnet synchronous motor for underwater navigator propulsion |
| CN103185073A (en) * | 2012-01-02 | 2013-07-03 | 张玉宝 | Magnetic bearing and method for improving utilization of magnetic energy of magnetic bearing |
| WO2018151883A1 (en) * | 2017-02-15 | 2018-08-23 | Dresser-Rand Company | Active radial magnetic bearing assembly with internal sensors |
-
2019
- 2019-06-20 CN CN201910283079.6A patent/CN110098687A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278487Y (en) * | 2008-09-27 | 2009-07-22 | 沈阳工业大学 | Inner and outer rotor contrary rotating permanent magnet synchronous motor for underwater navigator propulsion |
| CN103185073A (en) * | 2012-01-02 | 2013-07-03 | 张玉宝 | Magnetic bearing and method for improving utilization of magnetic energy of magnetic bearing |
| WO2018151883A1 (en) * | 2017-02-15 | 2018-08-23 | Dresser-Rand Company | Active radial magnetic bearing assembly with internal sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190806 |