CN105207419B - A kind of corrosion-resistant motor - Google Patents
A kind of corrosion-resistant motor Download PDFInfo
- Publication number
- CN105207419B CN105207419B CN201510590528.3A CN201510590528A CN105207419B CN 105207419 B CN105207419 B CN 105207419B CN 201510590528 A CN201510590528 A CN 201510590528A CN 105207419 B CN105207419 B CN 105207419B
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- China
- Prior art keywords
- motor shaft
- magnet steel
- casing
- motor
- armature
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Abstract
The invention discloses a kind of corrosion-resistant motors, including motor shaft, casing, main magnet steel, armature, yoke, printed board assembly and sensor magnet steel, the casing is sleeved on motor shaft, and it is installed and fixed by end cap, the end cap is mounted on by bearing on motor shaft, the armature and printed board assembly are mounted in casing, the yoke is divided into two semicircular rings and is positioned in motor shaft, the main bonding magnetic steel is in yoke, the sensor magnet steel is mounted on motor shaft ends, epoxy resin entirety embedding is used on the outside of the armature, the armature is provided with end ring far from end cap one end, and pass through pin and the inside and outside circle of end ring and casing is connected into fixation.The present invention is completely isolated by armature, printed board assembly and motor internal work medium by using casing, and rotor portion prevents corrosive liquids from being contacted with magnet steel, yoke using welding manner；So as to avoid motor internal work dielectric corrosion motor, and then improve motor reliability and working life.
Description
Technical field
The invention belongs to technical field of motor manufacture, are specifically related to a kind of corrosion-resistant motor.
Background technology
For liquid medium handle serial motors, working media be corrosivity gas-liquid mixture, the tradition of such motor
Structure is to increase dynamic sealing in axle stretch end, prevents gas-liquid from entering inside motor.But there are short life, structure are multiple for movable sealing structure
Miscellaneous, the shortcomings of adaptive capacity to environment is insufficient.Motor working performance unreliability, service life are short in use.Therefore such as
What is effectively isolated corrosivity gas-liquid mixture, and motor is avoided to be corroded by working media, is current motor manufacturing technology neck
Domain urgent problem to be solved.
Invention content
To solve the above problems, the present invention provides a kind of corrosion-resistant motors.The motor is directed to different corrosivity gas-liquids
Suitable spare part material and bearing are selected, and flow channel for liquids is designed in inner cavity, enhances the lubricant effect of bearing, so as to corrosion
Property gas-liquid mixture is effectively physically isolated, and enhances the corrosion resistance of motor.
A kind of corrosion-resistant motor, including motor shaft, casing, main magnet steel, armature, yoke, printed board assembly and sensor magnetic
Steel, the casing are sleeved on motor shaft, and are installed and fixed by end cap, and the end cap is mounted on by bearing on motor shaft,
The armature and printed board assembly are mounted in casing, and the yoke is divided into two semicircular rings and is positioned in motor shaft, the master
For bonding magnetic steel in yoke, the sensor magnet steel is mounted on motor shaft ends.
Epoxy resin entirety embedding is used on the outside of the armature.
The armature is provided with end ring far from end cap one end, and passes through pin and connect the inside and outside circle of end ring and casing admittedly
It is fixed.
Rotor jacket A claddings are provided on the outside of the main magnet steel, and in rotor jacket A and motor shaft contact surface Laser Welding
Connect fixation.
Rotor jacket B claddings are provided on the outside of the sensor magnet steel, and uses and swashs in rotor jacket B and motor shaft contact surface
Photocoagulation is fixed.
The contact surface of the casing and end cap carries out static seal using O-ring seal.
On the motor shaft bearing cap is additionally provided with positioned at end cap end.
The end cover lumen is provided with flow channel for liquids.
The beneficial effects of the invention are as follows：
Compared with prior art, the present invention is complete by armature, printed board assembly and motor internal work medium by using casing
Full isolation, rotor portion prevent corrosive liquids from being contacted with magnet steel, yoke using welding manner；So as to avoid work inside motor
Make dielectric corrosion motor, and then improve motor reliability and working life.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1- motor shafts, 2- bearing caps, 3- bearings, 4- end caps, 5-O type sealing rings, 6- rotor jackets A, 7- casing,
The main magnet steel of 8-, 9- armatures, 10- yokes, 11- epoxy resin, 12- end ring, 13- pins, 14- printed board assemblys, 15- rotor jackets
B, 16- sensor magnet steel, 17- liquid-inlets, 18- liquid outlets.
Specific embodiment
Technical scheme of the present invention is further described, but claimed range is not limited to reference to embodiment attached drawing
In described.
As shown in Figure 1, a kind of corrosion-resistant motor of the present invention, including motor shaft 1, casing 7, main magnet steel 8, armature 9,
Yoke 10, printed board assembly 14 and sensor magnet steel 16, the casing 7 are sleeved on motor shaft 1, and it is solid to pass through the installation of end cap 4
Fixed, the end cap 4 is mounted on by bearing 3 on motor shaft 1, and the armature 9 and printed board assembly 14 are mounted in casing 7, and
And coated by casing 7, the yoke 10, which is divided to, to be positioned over for two semicircular rings in motor shaft 1, and the main magnet steel 8 is bonded in yoke 10
On, the sensor magnet steel 16 is mounted on 1 end of motor shaft.Using the technical program, with casing 7 by armature 9, printed board assembly
14 is completely isolated with motor internal work medium, and rotor portion prevents corrosive liquids from being connect with magnet steel, yoke using welding manner
It touches.So as to avoid motor internal work medium (corrosivity gas-liquid) corrosion electrical motor, motor reliability and work longevity are substantially increased
Life.
9 outside of armature is using the whole embedding of epoxy resin 11.Good sealing is formed to armature 9.
The armature 9 is provided with end ring 12 far from 4 one end of end cap, and pass through pin 13 will be inside and outside end ring 12 and casing 7
Circle connection is fixed.So that armature 9 forms effective sealing in casing, while improve motor overall construction intensity.
8 outside of main magnet steel is provided with rotor jacket A6 claddings, and use and swash in rotor jacket A6 and 1 contact surface of motor shaft
Photocoagulation is fixed.Ensure that main magnet steel 8 and yoke 10 are not contacted with motor internal work medium (corrosivity gas-liquid) to cause to corrode.
16 outside of sensor magnet steel is provided with rotor jacket B15 claddings, and connect in rotor jacket B15 and motor shaft 1
Contacting surface is fixed with laser welding.Ensure that sensor magnet steel 16 does not contact with motor internal work medium (corrosivity gas-liquid) and causes corruption
Erosion.
The contact surface of the casing 7 and end cap 4 carries out static seal using O-ring seal 5.
On the motor shaft 1 bearing cap 2 is additionally provided with positioned at 4 end of end cap.For forming sealing function to bearing 3.
4 inner cavity of end cap is provided with flow channel for liquids.To enhance the lubricant effect to bearing 3.
The liquid-inlet 17 connected with flow channel for liquids is additionally provided on the end cap 4, liquid discharge is provided on motor shaft 1
Mouth 18.In this way, motor is at work, liquid enters from the liquid-inlet 17 on end cap 4, from the liquid outlet 18 on motor shaft 1
Outflow；Simultaneously into the heat that can be taken away during the liquid outflow of intracavitary in end cap 4 in motor, preferable cooling effect is played, is gone out
The liquid come can also play the effects that cooling armature ends winding and lubrication bearing.
The present invention uses the measures such as Seal Design, material selection, bearing selection and its Lubrication Design during fabrication, by choosing
Ensure motor reliably working under the conditions of inner cavity is full of corrosivity gas-liquid.Suitable spare part is selected for different corrosivity gas-liquids
Material and bearing, and flow channel for liquids is designed in inner cavity, enhance the lubricant effect of bearing；On the other hand zero is carried out to motor inside
The special construction design of part grade, and consider quarantine measures when component designs, it is effective so as to be carried out to corrosivity gas-liquid mixture
Physical isolation, and then motor is avoided to be corroded by working media, extending motor makes the service life.
Claims (5)
1. a kind of corrosion-resistant motor, it is characterised in that：Including motor shaft (1), casing (7), main magnet steel (8), armature (9), yoke
(10), printed board assembly (14) and sensor magnet steel (16), the casing (7) are sleeved on motor shaft (1), and pass through end cap
(4) installation fix, the end cap (4) by bearing (3) on motor shaft (1), the armature (9) and printed board assembly
(14) in casing (7), the yoke (10) is divided into two semicircular rings and is positioned in motor shaft (1), the main magnet steel (8)
It is bonded in yoke (10), the sensor magnet steel (16) is mounted on motor shaft (1) end；Ring is used on the outside of the armature (9)
Oxygen resin (11) entirety embedding；The rotor jacket A (6) for coating main magnet steel (8) is provided on the outside of the main magnet steel (8), and is being turned
Sub- sheath A (6) is fixed with motor shaft (1) contact surface with laser welding；Cladding is provided on the outside of the sensor magnet steel (16) to pass
Sensor magnet steel (16) rotor jacket B (15), and fixed in rotor jacket B (15) and motor shaft (1) contact surface with laser welding.
2. a kind of corrosion-resistant motor according to claim 1, it is characterised in that：The armature (9) is far from end cap (4) one end
End ring (12) is provided with, and passes through pin (13) and end ring (12) is connect fixation with the inside and outside circle of casing (7).
3. a kind of corrosion-resistant motor according to claim 1, it is characterised in that：Casing (7) contact with end cap (4)
Face carries out static seal using O-ring seal (5).
4. a kind of corrosion-resistant motor according to claim 1, it is characterised in that：It is located at end cap (4) on the motor shaft (1)
End is additionally provided with bearing cap (2).
5. a kind of corrosion-resistant motor according to claim 1, it is characterised in that：End cap (4) inner cavity is provided with liquid
Runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590528.3A CN105207419B (en) | 2015-09-17 | 2015-09-17 | A kind of corrosion-resistant motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510590528.3A CN105207419B (en) | 2015-09-17 | 2015-09-17 | A kind of corrosion-resistant motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105207419A CN105207419A (en) | 2015-12-30 |
| CN105207419B true CN105207419B (en) | 2018-06-22 |
Family
ID=54954919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510590528.3A Active CN105207419B (en) | 2015-09-17 | 2015-09-17 | A kind of corrosion-resistant motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105207419B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017722B (en) * | 2016-01-27 | 2022-03-04 | 雷勃美国公司 | Motor for use in refrigerant environments |
| US10670310B2 (en) * | 2013-01-28 | 2020-06-02 | Regal Beloit America, Inc. | Motor for use in refrigerant environment |
| CN105952610A (en) * | 2016-06-16 | 2016-09-21 | 溧水县得瑞微型电机厂 | Corrosion-resistant water pump motor |
| CN112510954A (en) * | 2021-01-13 | 2021-03-16 | 江苏苏仪集团有限公司 | Outer rotor switched reluctance direct-drive roller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1320841A (en) * | 1971-01-04 | 1973-06-20 | Matsushita Electric Ind Co Ltd | Motor driven pump |
| US5394043A (en) * | 1993-06-29 | 1995-02-28 | American Precision Industries Inc. | High speed brushless motor |
| CN100448141C (en) * | 2006-10-16 | 2008-12-31 | 中山大学 | Alternating current permanent-magnet water-submersible electric machine |
| CN204947788U (en) * | 2015-09-17 | 2016-01-06 | 贵州航天林泉电机有限公司 | A kind of novel corrosion resistant electric machine structure |
-
2015
- 2015-09-17 CN CN201510590528.3A patent/CN105207419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1320841A (en) * | 1971-01-04 | 1973-06-20 | Matsushita Electric Ind Co Ltd | Motor driven pump |
| US5394043A (en) * | 1993-06-29 | 1995-02-28 | American Precision Industries Inc. | High speed brushless motor |
| CN100448141C (en) * | 2006-10-16 | 2008-12-31 | 中山大学 | Alternating current permanent-magnet water-submersible electric machine |
| CN204947788U (en) * | 2015-09-17 | 2016-01-06 | 贵州航天林泉电机有限公司 | A kind of novel corrosion resistant electric machine structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105207419A (en) | 2015-12-30 |
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