CN2627715Y - Rare-earth permanent-magnetic synchronous oil-submersible motor - Google Patents
Rare-earth permanent-magnetic synchronous oil-submersible motor Download PDFInfo
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- CN2627715Y CN2627715Y CN 03260017 CN03260017U CN2627715Y CN 2627715 Y CN2627715 Y CN 2627715Y CN 03260017 CN03260017 CN 03260017 CN 03260017 U CN03260017 U CN 03260017U CN 2627715 Y CN2627715 Y CN 2627715Y
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- permanent magnet
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- utmost point
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A rare earth permanent magnet synchronizing hidden oil electric engine relates to improvement of the structure of the rare earth permanent magnet synchronizing hidden oil electric engine. A rotor iron core (9) in the utility model is fixed on the outer surface of the curved plane of the rotor axis (8). The curved plane of the rotor iron core (9) is at least axially and correspondingly opened with a pair of grooves (10). The cross section of the groove (10) and the cross section of a permanent magnet (6) are both circular arc-shaped. The permanent magnet (6) is fixed inside the groove (10). The outer curved plane of the rotor iron core (9) and the permanent magnet (6) is solidified with a non-latitude belt (7). According to the operational principle of the synchronizing electric engine and through utilizing neodymium-iron-boron rare earth permanent magnet material to carry through excitation to the rotor, the utility model changes exciting winding and excitation power supply construction of the traditional synchronizing electric engine and arranges the permanent magnet on the outer sphere of the rotor, which improves power of the electric engine and increases rated torque of the electric engine. The combination with the frequency conversion control system leaves out or partially leaves out the SQUIRREL-CAGE conductor, which makes the structure of the utility model simpler and process easier.
Description
Technical field: the utility model relates to the improvement of the synchronous submersible electric machine with oil structure of rare earth permanent magnet.
Background technology: the submersible electric machine with oil that is applied at present recover the oil in the oil field mainly is two pole three phase asynchronous motors, its rotor is the mouse-cage type structure, lag behind all the time rotating speed of stator rotating magnetic field of motor speed, there are two kinds of problems in it when the supporting application of existing oil production technology: during one, with the supporting application of centrifugal oil-immersed pump, because of rotating speed is lower than synchronous speed, electric efficiency and power factor are on the low side; During two, with supporting applications of submersible screw pump, rotating speed is too high, is difficult to directly drop to the rotating speed that screw pump adapts to through decelerator, if adopt RHVC, makes motor be in the low frequency operation state for a long time, easily makes the electric machine temperature rise quickening again, causes electrical fault.
The utility model content: the purpose of this utility model is development a kind of rare earth permanent magnet synchronous submersible electric machine with oil, and it has simple in structure, handling ease, can improve power of motor, increase the characteristics of motor nominal torque.The utility model is made up of stator A, rotor B and bearing C, and rotor B is fixed in the stator A by bearing C; Stator A is made up of electric machine casing 1, end cap 2, spacer sleeve 3, stator core 4, stator winding 5, and stator core 4 is fixed in the electric machine casing 1 by spacer sleeve 3, end cap 2, and stator winding 5 is set in the groove of stator core 4; Rotor B is made up of permanent magnet 6, no latitude band 7, armature spindle 8, rotor core 9, rotor core 9 is fixed on the outer surface of armature spindle 8 curved surfaces, axially have a pair of groove 10 on the curved surface of rotor core 9 mutually accordingly at least, the cross section of the cross section of groove 10 and permanent magnet 6 is all circular arc, permanent magnet 6 is fixed in the groove 10, solidifies on the positive camber of rotor core 9 and permanent magnet 6 to have or not latitude band 7.The utility model is according to the operation principle of synchronous machine, adopt Nd-Fe-B rare earth permanent magnetic material to give rotor-exciting, traditional synchronous machinery excitation winding and field power supply structure have been changed, and permanent magnet is placed rotor outer layer, improved power of motor, increased the motor nominal torque, be used in combination with frequency-changing control system, save or the part save the mouse cage conductor, make the utility model structure simpler, processing easier.
Description of drawings: Fig. 1 is an overall structure schematic diagram of the present utility model, Fig. 2 is that the E of Fig. 1 is to view, Fig. 3 is the structural representation of embodiment two, Fig. 4 is the structural representation of embodiment three, Fig. 5 is the structural representation of embodiment four, and Fig. 6 is the structural representation of embodiment five.
Embodiment one: present embodiment is made up of stator A, rotor B and bearing C, and rotor B is fixed in the stator A by bearing C; Stator A is made up of stator core 4 and stator winding 5 that the silicon steel plate stacking of electric machine casing 1, end cap 2, spacer sleeve 3, trough of belt forms, and stator core 4 is fixed in the electric machine casing 1 by spacer sleeve 3 and end cap 2, and stator winding 5 is set in the groove of stator core 4; Rotor B is made up of the rotor core 9 that permanent magnet 6, no latitude band 7, armature spindle 8 and punching silicon-steel are overrided to form, rotor core 9 is fixed on the outer surface of armature spindle 8 curved surfaces, axially have two grooves 10 on the curved surface of rotor core 9 mutually accordingly, the cross section of the cross section of groove 10 and permanent magnet 6 all is a circular arc, permanent magnet 6 is fixed in the groove 10, solidifies on the positive camber of rotor core 9 and permanent magnet 6 to have or not latitude band 7.
Embodiment two: referring to Fig. 3, the difference of present embodiment and embodiment one is, axially have four grooves 10 on the curved surface of rotor core 9 mutually accordingly, the S utmost point of a pair of permanent magnet 6 that studs with in the groove 10 of a pair of mutual correspondence is all towards armature spindle 8 one sides, and their the N utmost point all toward the outer side; Towards armature spindle 8 one sides, their the S utmost point toward the outer side to the N utmost point of permanent magnet 6 for another.Other composition is identical with embodiment one with annexation.
Embodiment three: referring to Fig. 4, the difference of present embodiment and embodiment one is, axially have two grooves 10 on the curved surface of rotor core 9 mutually accordingly, two groove 10 internal fixation have four permanent magnets 6, the S utmost point of two permanent magnets 6 in groove 10 is all towards armature spindle 8 one sides, their the N utmost point all toward the outer side, the N utmost point of two permanent magnets 6 in another groove 10 is all towards armature spindle 8 one sides, their the S utmost point all toward the outer side.Other composition is identical with embodiment one with annexation.
In embodiment two and the embodiment three, the fixed-direction that the magnetic pole of permanent magnet 6 is opposite each other can form the magnetic loop of an extension, interacts with the stator rotating magnetic field, makes rotor and rotating magnetic field run-in synchronism.
Embodiment four: referring to Fig. 5, the difference of present embodiment and embodiment three is, has axially extending bore 11 on the rotor core 9 of two groove 10 terminations, and axially extending bore 11 internal fixation have the copper sliver.Other composition is identical with embodiment three with annexation.Near the edge of rotor core 9 curved surfaces, have axially extending bore and at axial through hole internal fixation metal sliver.Its effect is, at electric motor starting at the beginning, the metal sliver can produce certain electric current, and its cutting magnetic line obtains an active force, makes electric motor starting more steady.
Embodiment five: referring to Fig. 6, the difference of present embodiment and embodiment one is, armature spindle 8 and rotor core 9 are made of one.Other composition is identical with embodiment one with annexation.By mild steel or medium carbon steel through car, mill armature spindle 8 and rotor core 9 be processed into an integral body, can reduce manufacturing procedure like this, reduce the flat cost of motor.
Claims (5)
1, the synchronous submersible electric machine with oil of rare earth permanent magnet, it is made up of stator (A), rotor (B) and bearing (C), and rotor (B) is fixed in the stator (A) by bearing (C); Stator (A) is made up of electric machine casing (1), end cap (2), spacer sleeve (3), stator core (4), stator winding (5), stator core (4) is fixed in the electric machine casing (1) by spacer sleeve (3), end cap (2), and stator winding (5) is set in the groove of stator core (4); It is characterized in that rotor (B) is made up of permanent magnet (6), no latitude band (7), armature spindle (8), rotor core (9), rotor core (9) is fixed on the outer surface of armature spindle (8) curved surface, axially have a pair of groove (10) on the curved surface of rotor core (9) mutually accordingly at least, the cross section of the cross section of groove (10) and permanent magnet (6) is all circular arc, permanent magnet (6) is fixed in the groove (10), solidifies on the positive camber of rotor core (9) and permanent magnet (6) to have or not latitude band (7).
2, the synchronous submersible electric machine with oil of rare earth permanent magnet according to claim 1, it is characterized in that axially having four grooves (10) mutually accordingly on the curved surface of rotor core (9), all towards armature spindle (8) one sides, their the N utmost point all toward the outer side for the S utmost point of a pair of permanent magnet (6) that studs with in the groove of a pair of mutual correspondence (10); Towards armature spindle (8) one sides, their the S utmost point toward the outer side to the N utmost point of permanent magnet (6) for another.
3, the synchronous submersible electric machine with oil of rare earth permanent magnet according to claim 1, it is characterized in that axially having two grooves (10) mutually accordingly on the curved surface of rotor core (9), two grooves (10) internal fixation has four permanent magnets 6, the S utmost point of two permanent magnets (6) in the groove (10) is all towards armature spindle (8) one sides, their the N utmost point all toward the outer side, the N utmost point of two permanent magnets (6) in another groove (10) is all towards armature spindle (8) one sides, and their the S utmost point all toward the outer side.
4, the synchronous submersible electric machine with oil of rare earth permanent magnet according to claim 1 is characterized in that having axially extending bore (11) on the rotor core (9) of two grooves (10) termination, and axially extending bore (11) internal fixation has the copper sliver.
5, the synchronous submersible electric machine with oil of rare earth permanent magnet according to claim 1 is characterized in that armature spindle (8) and rotor core (9) are made of one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03260017 CN2627715Y (en) | 2003-05-29 | 2003-05-29 | Rare-earth permanent-magnetic synchronous oil-submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03260017 CN2627715Y (en) | 2003-05-29 | 2003-05-29 | Rare-earth permanent-magnetic synchronous oil-submersible motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627715Y true CN2627715Y (en) | 2004-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03260017 Expired - Fee Related CN2627715Y (en) | 2003-05-29 | 2003-05-29 | Rare-earth permanent-magnetic synchronous oil-submersible motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN2627715Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635558A (en) * | 2012-04-27 | 2012-08-15 | 长沙迪沃机械科技有限公司 | Large-flow portable permanent-magnet frequency-conversion submersible pump |
| CN108222932A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The cutting part of heading machine driving device that a kind of no frame permanent magnet synchronous motor directly drives |
-
2003
- 2003-05-29 CN CN 03260017 patent/CN2627715Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635558A (en) * | 2012-04-27 | 2012-08-15 | 长沙迪沃机械科技有限公司 | Large-flow portable permanent-magnet frequency-conversion submersible pump |
| CN102635558B (en) * | 2012-04-27 | 2014-09-24 | 长沙迪沃机械科技有限公司 | Large-flow portable permanent-magnet frequency-conversion submersible pump |
| CN108222932A (en) * | 2018-01-31 | 2018-06-29 | 湖北环电磁装备工程技术有限公司 | The cutting part of heading machine driving device that a kind of no frame permanent magnet synchronous motor directly drives |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |