CN201813291U - Submersible direct-driving permanent magnet synchronous motor - Google Patents
Submersible direct-driving permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN201813291U CN201813291U CN2010202923140U CN201020292314U CN201813291U CN 201813291 U CN201813291 U CN 201813291U CN 2010202923140 U CN2010202923140 U CN 2010202923140U CN 201020292314 U CN201020292314 U CN 201020292314U CN 201813291 U CN201813291 U CN 201813291U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotor
- stator
- motor
- outer casing
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Permanent Magnet Type Synchronous Machine (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a submersible direct-driving permanent magnet synchronous motor, which comprises an outer casing and at least two permanent magnet motors. Each permanent magnet motor is provided with a stator and a rotor, coil windings are arranged in wire troughs of the stators, permanent magnets are evenly arranged on the cylindrical surface of each rotor, all the permanent magnet motors are fixedly mounted in the outer casing, the same-phase coil windings of the permanent magnet motors are connected together in series, and rotor shafts of the adjacent permanent magnetic motor are fixedly connected with each other by coaxial connectors. The diameter of the outer casing ranges from phi89 mm to phi150mm, the length of the outer casing ranges from 2mm to 12mm, and rotation speed of each permanent magnet motor is 0-300 revolution numbers/minute. The submersible direct-driving permanent magnet synchronous motor solves the problem of synchronization of a plurality of motors, and has the advantages of low rotation speed and large starting torque. In addition, the submersible direct-driving permanent magnet synchronous motor is structurally long and narrow, generates lower drive when placed in underground, omits a sucker rod when connected with a screw pump, omits a mechanical speed reducer, improves system efficiency, reduces energy consumption, and saves production cost.
Description
One. technical field: the utility model relates to a kind of magneto, particularly relates to a kind of latent oily direct-drive permanent-magnetism synchronous machine.
Two. background technology: well-known, motor is the basis of equipment operation, but various industry is not quite similar to the requirement of motor, and the oil recovery industry is because the particularity of its industry, requirement to motor has its particularity, and low speed, big torque and starting torque are exactly greatly its requirement.
Three. the content of utility model:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide that a kind of modern design is unique, simple in structure, the latent oily direct-drive permanent-magnetism synchronous machine of slow-speed of revolution output high pulling torque and control flexibility and reliability.
The technical solution of the utility model is: a kind of latent oily direct-drive permanent-magnetism synchronous machine, contain shell and at least two magnetoes, each described magneto all contains stator and rotor, be provided with coil windings in the wire casing of described stator, evenly be provided with permanent magnet on the cylindrical surface of described rotor, all magnetoes all are fixed in the described shell, and, the mutually same phase coil windings in series of all described magnetoes links together, and the armature spindle of adjacent described magneto is fixedly connected by coaxial connector.
The wire casing of described stator evenly distributes and tile shape along circumference, and described permanent magnet is a watt shape.The wire casing of described stator is a skewed slot; The wire casing quantity of described stator is 12～30, and the quantity of described permanent magnet is 8～22.
Described housing diameter is Φ 89～Φ 150mm, and length is 2～12m, and the rotating speed of described magneto is 0～300 rev/min.
The beneficial effects of the utility model are:
1. the shared axle of a plurality of magnetoes of the utility model to be solving a plurality of motor synchronous problems, and the mutually same phase coil winding of each motor all is connected in series, thereby control easily, realizes run-in synchronism, and has the slow-speed of revolution, the advantage that starting torque is big.
2, the utility model overall structure is an elongate, is placed on the down-hole, forms down to drive, need not sucker rod when being connected with screw pump, need not mechanical deceleration device, and improved system effectiveness, reduced energy consumption, saved production cost.
3, the wire casing of the utility model stator adopts skewed slot, can reduce the harmonic field of motor, thereby reduces the vibration and the noise of motor.
4. the utility model system effectiveness height, power factor height, energy-conservation, its efficiency characteristic curve has the characteristics of Gao Erping, and energy-saving effect is more obvious when the motor underloading.
5. the utlity model has simple in structurely, installation and maintenance are convenient, and are safe and reliable, the characteristics of function admirable, and it is applied widely, is specially adapted to the oil field screw pump, has good economic benefit after the popularization.
Four. description of drawings:
Fig. 1 is the structural representation of the oily direct-drive permanent-magnetism synchronous machine of diving;
Fig. 2 is the user mode figure of the oily direct-drive permanent-magnetism synchronous machine of diving;
Fig. 3 is the cross-sectional structure schematic diagram of magneto among Fig. 1;
Fig. 4 is moment of torsion, power, the speed curve diagram of the oily direct-drive permanent-magnetism synchronous machine of diving.
Five. embodiment:
Embodiment: referring to Fig. 1-Fig. 4, among the figure, 1-stator, 2-coil windings, 3-permanent magnet, 4-rotor, 5-armature spindle, 6-coaxial connector, 7-shell, 8-protector, 9-flexible shaft, 10-screw pump.
The oily direct-drive permanent-magnetism synchronous machine of diving contains shell 7 and at least two magnetoes, each magneto all contains stator 1 and rotor 4, be provided with coil windings 2 in the wire casing of stator 1, evenly be provided with permanent magnet 3 on the cylindrical surface of rotor 4, all magnetoes all are fixed in the shell 7, and the mutually same phase coil winding 2 of all magnetoes is connected in series, and the armature spindle 5 of adjacent magneto is fixedly connected by coaxial connector 6.
The wire casing of stator 1 evenly distributes and tile shape along circumference, and permanent magnet 3 is a watt shape, and is embedded setting, and embedded mode is arranged radially or tangential the arrangement, and both all have good dynamic characteristics.The wire casing of stator 1 is a skewed slot; The wire casing quantity of stator 1 is 12～30, and the quantity of permanent magnet 3 is 8～22.The wire casing quantity of stator and stage logarithm are determined according to actual power and external form, are not enumerated one by one.
Shell 7 diameters are Φ 89～Φ 150mm, and length is 2～12m, and the rotating speed of magneto is 0～300 rev/min.
During use; shell 7 and protector 8 are linked together; protector 8 is connected with flexible shaft 9 again, and flexible shaft 9 is connected with screw pump 10 at last, and the oily direct-drive permanent-magnetism synchronous machine of diving is placed on the down-hole; form down and drive; need not sucker rod when being connected with screw pump, need not mechanical deceleration device, improved system effectiveness; reduce energy consumption, saved production cost.
(among the figure, 1 represents power curve, and 2 represent torque curve) as seen from Figure 4, the rotating speed of magneto is in the time of 300 rev/mins, and the power of magneto remains on rated power 23kw, and moment of torsion is 730Nm; The starting torque of magneto is that 1070Nm is 1.5 times of nominal torque, and in 0～300 rev/min start-up course, remains constant.
Claims (3)
1. oily direct-drive permanent-magnetism synchronous machine of diving, contain shell and at least two magnetoes, each described magneto all contains stator and rotor, be provided with coil windings in the wire casing of described stator, evenly be provided with permanent magnet on the cylindrical surface of described rotor, it is characterized in that: all described magnetoes all are fixed in the described shell, and, the mutually same phase coil windings in series of all described magnetoes links together, and the armature spindle of adjacent described magneto is fixedly connected by coaxial connector.
2. latent oily direct-drive permanent-magnetism synchronous machine according to claim 1, it is characterized in that: the wire casing of described stator is a skewed slot; The wire casing quantity of described stator is 12～30, and the quantity of described permanent magnet is 8～22.
3. latent oily direct-drive permanent-magnetism synchronous machine according to claim 1 and 2 is characterized in that: described housing diameter is Φ 89～Φ 150mm, and length is 2～12m, and the rotating speed of described magneto is 0～300 rev/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923140U CN201813291U (en) | 2010-08-16 | 2010-08-16 | Submersible direct-driving permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923140U CN201813291U (en) | 2010-08-16 | 2010-08-16 | Submersible direct-driving permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201813291U true CN201813291U (en) | 2011-04-27 |
Family
ID=43896228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202923140U Expired - Lifetime CN201813291U (en) | 2010-08-16 | 2010-08-16 | Submersible direct-driving permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201813291U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969256A (en) * | 2010-08-16 | 2011-02-09 | 新乡市夏烽电器有限公司 | Submersible direct-drive permanent magnet synchronous motor |
| CN106704210A (en) * | 2017-01-16 | 2017-05-24 | 台州八马泵业有限公司 | High-lift deep-well pump |
| US20210320563A1 (en) * | 2020-04-08 | 2021-10-14 | Halliburton Energy Services, Inc. | Axial Flux Submersible Electric Motor |
-
2010
- 2010-08-16 CN CN2010202923140U patent/CN201813291U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969256A (en) * | 2010-08-16 | 2011-02-09 | 新乡市夏烽电器有限公司 | Submersible direct-drive permanent magnet synchronous motor |
| CN106704210A (en) * | 2017-01-16 | 2017-05-24 | 台州八马泵业有限公司 | High-lift deep-well pump |
| US20210320563A1 (en) * | 2020-04-08 | 2021-10-14 | Halliburton Energy Services, Inc. | Axial Flux Submersible Electric Motor |
| US20210320549A1 (en) * | 2020-04-08 | 2021-10-14 | Halliburton Energy Services, Inc. | Axial Flux Submersible Electric Motor |
| US11916450B2 (en) * | 2020-04-08 | 2024-02-27 | Halliburton Energy Services, Inc. | Axial flux submersible electric motor |
| US11916451B2 (en) | 2020-04-08 | 2024-02-27 | Halliburton Energy Services, Inc. | Axial flux submersible electric motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102570756A (en) | Self-start permanent-magnet synchronous submersible motor | |
| CN203289295U (en) | Low-speed large-torque submersible permanent-magnetic synchronous motor | |
| CN101969256B (en) | Submersible direct-drive permanent magnet synchronous motor | |
| CN201813291U (en) | Submersible direct-driving permanent magnet synchronous motor | |
| CN102684327A (en) | Stator winding suspension type motor | |
| CN101951105A (en) | Modularized permanent magnet synchronous generator | |
| CN104852542A (en) | Pump asynchronous starting permanent magnetism three-phase synchronous motor | |
| CN201584831U (en) | Two-pole permanent magnet synchronous motor rotor | |
| CN203645515U (en) | External rotor permanent magnet synchronous motor of industrial big fan | |
| CN103023258A (en) | Rare-earth permanent-magnet synchronous servo motor | |
| CN202190196U (en) | Permanent magnet motor adopting novel structure | |
| CN205960915U (en) | Double magnetic circuit motor | |
| CN202167957U (en) | Low rotate speed and multi-rotor generator | |
| CN101764444A (en) | Wind wheel direct-driven permanent magnet generator | |
| CN203774911U (en) | 12-pole squirrel-cage-free full-iron-core permanent-magnet submersible motor special for screw pump | |
| CN205070725U (en) | Oil of diving directly drives PMSM , oil pump and oil production device dive | |
| CN101359861A (en) | Speed variant, frequency constant synchronous power generator of wind power | |
| CN203486813U (en) | Winch device directly driven by low-speed permanent magnet synchronous motor | |
| CN104852492A (en) | Pump efficient permanent magnet motor | |
| CN208797700U (en) | A kind of asynchronous starting synchronous operation well pump motor | |
| CN204216688U (en) | Pump asynchronous starting and permanent magnet three-phase synchronous motor | |
| CN201137553Y (en) | Wind power generator for road lamp illumination | |
| CN201418011Y (en) | Low-speed toothless wind generator | |
| CN101626182A (en) | 6-pole external rotor capacitor running asynchronous motor | |
| CN213574598U (en) | Brushless double-fed motor for oil field screw pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110427 Effective date of abandoning: 20120208 |