CN219592177U - Permanent magnet synchronous submersible motor - Google Patents
Permanent magnet synchronous submersible motor Download PDFInfo
- Publication number
- CN219592177U CN219592177U CN202223550886.6U CN202223550886U CN219592177U CN 219592177 U CN219592177 U CN 219592177U CN 202223550886 U CN202223550886 U CN 202223550886U CN 219592177 U CN219592177 U CN 219592177U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- motor
- magnet synchronous
- bearing
- motor shaft
- 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.)
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Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 229910052742 iron Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 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
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a permanent magnet synchronous submersible motor, which comprises a motor base body (1), wherein a stator (4) is arranged in the motor base body (1), a permanent magnet rotor (3) is assembled on the stator (4), a hollow groove (5) is formed in the permanent magnet rotor (3), the permanent magnet rotor (3) is installed on a motor shaft (13), the motor shaft (13) is connected with a right end cover (8) through a right bearing (14), the motor shaft (13) is connected with a bearing seat (19) through a left bearing (20), a left end cover (22) is arranged between the bearing seat (19) and the motor base body (1), the shaft end of the motor shaft (13) is connected with a cooling fan (9) through a lantern ring (10), the cooling fan (9) is provided with a protective cover (15), and the bottom of the motor base body (1) is connected with a base (18) through a radiating fin (17).
Description
Technical Field
The utility model belongs to the technical field of motors, and relates to a permanent magnet synchronous submersible motor.
Background
The electric motor is a device for converting electric energy into mechanical energy, the electric motor is divided into a direct current motor and an alternating current motor, the alternating current motor is divided into a synchronous motor and an asynchronous motor, and a single-phase motor and a three-phase motor, the electric motor is the most direct mode for converting electric energy into mechanical energy, the power supply of a factory is basically the electric motor supply at present, and the electric motor has the advantages of high conversion efficiency, compact structure, convenience in control and reliability in work and is widely used.
The existing motor has exciting current of a stator side winding and copper and iron losses of a rotor side, reactive current is increased, and a rotor core has fundamental wave iron losses, so that the efficiency is low; the large inertia of the rotor can cause slower starting and braking speeds; the size is bigger, and the rotor structure is tedious, so that the maintenance is inconvenient.
Disclosure of Invention
The utility model provides a permanent magnet synchronous submersible motor aiming at the problems existing in the prior art.
The technical scheme of the utility model is as follows:
the utility model provides a synchronous submersible motor of permanent magnetism, including the motor base member, the inside of motor base member is equipped with the stator, the stator is equipped with permanent magnet rotor, permanent magnet rotor is provided with the hollow groove, permanent magnet rotor installs in the motor shaft, the motor shaft passes through right bearing and connects the right end cover, the motor shaft passes through left bearing and connects the bearing frame, left end cover sets up between bearing frame and motor base member, cooling fan is connected through the lantern ring to the axle head of motor shaft, cooling fan is equipped with the protection casing, the base is connected through the fin to the bottom of motor base member.
As a preferred embodiment of the present utility model: the permanent magnet rotor is arranged between the left positioning sleeve and the right positioning sleeve.
As a preferred embodiment of the present utility model: the motor shaft is connected with the cover plate through a locking bolt.
As a preferred embodiment of the present utility model: the bearing housing is fitted with a bearing cap.
As a preferred embodiment of the present utility model: the protective cover is provided with a rotating speed probe.
As a preferred embodiment of the present utility model: the top of the motor matrix is connected with an eye bolt.
The beneficial effects of the utility model are as follows:
the permanent magnet synchronous submersible motor reduces exciting current of a stator side winding and copper and iron losses of a rotor side, and greatly reduces reactive current; the inertia of the rotor is reduced, and the starting and braking time is much faster than that of an asynchronous motor; compared with an asynchronous motor, the size is greatly reduced, the weight is relatively reduced, the rotor structure is greatly simplified, the maintenance is convenient, and the running stability is improved.
Drawings
Fig. 1 is a schematic structural diagram of a permanent magnet synchronous submersible motor of the utility model.
In the figure: 1-a motor matrix; 2-left positioning sleeve; 3-permanent magnet rotor; 4-stator; 5-hollowing out a groove; 6-eye bolts; 7-right positioning sleeve; 8-a right end cover; 9-a cooling fan; 10-collar; 11-cover plate; 12-locking bolts; 13-a motor shaft; 14-right bearing; 15-protecting cover; 16-rotating speed probe; 17-heat sink; 18-a base; 19-bearing blocks; 20-left bearing; 21-a bearing cap; 22-left end cap.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, a permanent magnet synchronous submersible motor comprises a motor base body 1, a stator 4 is arranged in the motor base body 1, a permanent magnet rotor 3 is assembled on the stator 4, a hollow groove 5 is formed in the permanent magnet rotor 3, the permanent magnet rotor 3 is installed on a motor shaft 13, the motor shaft 13 is connected with a right end cover 8 through a right bearing 14, the motor shaft 13 is connected with a bearing seat 19 through a left bearing 20, a left end cover 22 is arranged between the bearing seat 19 and the motor base body 1, the shaft end of the motor shaft 13 is connected with a cooling fan 9 through a lantern ring 10, the cooling fan 9 is assembled with a protective cover 15, and the bottom of the motor base body 1 is connected with a base 18 through a cooling fin 17.
Specifically, the magnetic flux density of the permanent magnet rotor 3 is high, excitation current is not needed, excitation loss is eliminated, compared with an asynchronous motor, the excitation current of a winding at the side of a stator and copper and iron losses at the side of the rotor are reduced, reactive current is greatly reduced, and because the magnetic potential of the stator and the magnetic potential of the rotor are synchronous, the rotor core has no fundamental iron loss, and therefore, the efficiency and the power factor are higher than those of the asynchronous motor; the permanent magnet rotor 3 provided with the hollow grooves 5 has the advantages of quick starting and braking time due to the reduction of rotor inertia.
The permanent magnet rotor 3 is arranged between the left positioning sleeve 2 and the right positioning sleeve 7, and is flexible to install; the motor shaft 13 and the cover plate 11 are connected through a locking bolt 12; the bearing housing 19 is fitted with a bearing cap 21; the protective cover 15 is provided with a rotating speed probe 16, so that the rotating speed of the cooling fan 9 can be detected in real time; the top of the motor matrix 1 is connected with an eye bolt 6, so that the motor is convenient to hoist integrally.
In summary, the permanent magnet synchronous submersible motor reduces exciting current of a winding at a stator side and copper and iron loss at a rotor side, and greatly reduces reactive current, and because the magnetic potential of the stator and the magnetic potential of the rotor are synchronous, a rotor iron core has no fundamental wave iron loss, so that the efficiency and the power are higher than those of an asynchronous motor; the inertia of the rotor is reduced, and the starting and braking time is much faster than that of an asynchronous motor; compared with an asynchronous motor, the size is greatly reduced, the weight is relatively reduced, the rotor structure is greatly simplified, the maintenance is convenient, the running stability is improved, and the motor is convenient and reliable.
Although the embodiments of the present utility model have been disclosed in the foregoing description and drawings, it is not limited to the details of the embodiments and examples, but is to be applied to all the fields of application of the present utility model, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
1. A permanent magnet synchronous submersible motor, characterized in that: including motor base member (1), the inside of motor base member (1) is equipped with stator (4), stator (4) are equipped with permanent magnet rotor (3), permanent magnet rotor (3) are provided with hollow groove (5), permanent magnet rotor (3) are installed in motor shaft (13), motor shaft (13) are connected right end cover (8) through right bearing (14), motor shaft (13) are connected bearing frame (19) through left bearing (20), left end cover (22) set up in between bearing frame (19) and motor base member (1), cooling fan (9) are connected through lantern ring (10) to the axle head of motor shaft (13), cooling fan (9) are equipped with protection casing (15), base (18) are connected through fin (17) in the bottom of motor base member (1).
2. A permanent magnet synchronous submersible motor according to claim 1, wherein: the permanent magnet rotor (3) is arranged between the left positioning sleeve (2) and the right positioning sleeve (7).
3. A permanent magnet synchronous submersible motor according to claim 1, wherein: the motor shaft (13) and the cover plate (11) are connected through a locking bolt (12).
4. A permanent magnet synchronous submersible motor according to claim 1, wherein: the bearing block (19) is equipped with a bearing cap (21).
5. A permanent magnet synchronous submersible motor according to claim 1, wherein: the protective cover (15) is provided with a rotating speed probe (16).
6. A permanent magnet synchronous submersible motor according to any one of claims 1-5, wherein: the top of the motor base body (1) is connected with an eye bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550886.6U CN219592177U (en) | 2022-12-30 | 2022-12-30 | Permanent magnet synchronous submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550886.6U CN219592177U (en) | 2022-12-30 | 2022-12-30 | Permanent magnet synchronous submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219592177U true CN219592177U (en) | 2023-08-25 |
Family
ID=87687594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223550886.6U Active CN219592177U (en) | 2022-12-30 | 2022-12-30 | Permanent magnet synchronous submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219592177U (en) |
-
2022
- 2022-12-30 CN CN202223550886.6U patent/CN219592177U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |