CN102983682B - Flame-proof type frequency conversion integrated permanent-magnet synchronous motor - Google Patents
Flame-proof type frequency conversion integrated permanent-magnet synchronous motor Download PDFInfo
- Publication number
- CN102983682B CN102983682B CN201210517834.0A CN201210517834A CN102983682B CN 102983682 B CN102983682 B CN 102983682B CN 201210517834 A CN201210517834 A CN 201210517834A CN 102983682 B CN102983682 B CN 102983682B
- Authority
- CN
- China
- Prior art keywords
- cavity
- end bearing
- end cap
- driven
- cap
- 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.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a flame-proof type frequency conversion integrated permanent-magnet synchronous motor, which comprises a motor base and a frequency conversion control cabinet, wherein the frequency conversion control cabinet is welded on the motor base; and a frequency converter is mounted in the frequency conversion control cabinet. The inside of the frequency conversion control cabinet is divided into a first cavity, a second cavity and a third cavity through separation plates; the motor base comprises a cylinder and an end cap; the cylinder is formed by an inner cylinder and an outer cylinder which are sleeved together; the inner cylinder and the outer cylinder are integrally welded in an interference fit manner; a spiral groove is formed on the outer cylinder surface of the inner cylinder; the end cap comprises a first end cap and a second end cap which are respectively located at two ends of the cylinder and a third end cap located inside the cylinder; a rotor and a stator are arranged between the first end cap and the third end cap; and an input reactor and an output reactor are arranged between the third end cap and the second end cap. The permanent-magnet synchronous motor is novel in structure, is reasonable and compact, can effectively utilize the limited space, is compact in product structure, high in power factor, efficiency and power density, and can effectively reduce the motor volume and the energy consumption.
Description
Technical field
The present invention relates to a kind of explosion-proof frequency conversion integrated permanent-magnet synchronous motor, be mainly used in the coal excavation apparatus such as underground coal mine coal plough, scrapper conveyor, belt feeder.
Background technology
At present, the frequency conversion integrated motor that the coal excavation apparatus such as underground coal mine coal plough are used, be the frequency conversion integrated asynchronous motor from external import entirely, domestic also do not have product of the same type.Due to expensive from external import frequency conversion integrated motor; maintenance trouble, by the various factors such as technical limitations, trade protectionism, asynchronous motor is compared with permanent magnet synchronous motor in addition; power density and efficiency are all on the low side, are unfavorable for reducing motor volume and reducing energy resource consumption.
Summary of the invention
The object of this invention is to provide a kind of permagnetic synchronous motor, have novel structure, rationally, effectively utilize the confined space, product with compact structure, power factor are high, and power density is large, effectively reduce the consumption of motor volume and the energy.
To achieve these goals, the technical solution of employing is in the present invention:
A kind of permagnetic synchronous motor, comprise support and frequency-conversion control cabinet, described frequency-conversion control cabinet is welded on support;
The inside of described frequency-conversion control cabinet is divided into the first cavity, the second cavity and the 3rd cavity by dividing plate, rectifying bridge unit, DC side electric capacity of voltage regulation and inverter bridge unit is provided with in described first cavity, three is integrated in cooled plate, and described cooled plate inside is provided with U-shaped array water cooling tube; Controller unit and contact unit is provided with in described second cavity; Wiring of input power source terminal and power supply major-minor binding post is provided with in 3rd cavity;
Described support comprises cylindrical shell and end cap, cylindrical shell is made up of the inner core of phase collocated and urceolus, inner core and urceolus interference fit integrally welded, the urceolus face of inner core has helical groove, and U-shaped array water cooling tube is connected with the water pipe of helical groove by band 3/4 pipe screw joint; End cap comprises the first end cap and the second end cap that are positioned at cylindrical shell two ends, and is positioned at the 3rd end cap and annulus of cylindrical shell, arranges rotor and stator, arrange input reactance device and out put reactor between the 3rd end cap and the second end cap between the first end cap and the 3rd end cap;
Described first cavity, the second cavity and support inner core are connected formation first flame proof cavity, and the 3rd cavity is the second flame proof cavity.
Preferably, described cylindrical shell is communicated with by the first cable-through hole with the second cavity, annulus has the second cable-through hole, dividing plate between first cavity and the second cavity has the 3rd cable-through hole, described contact unit, input reactance device, rectifying bridge unit, DC side electric capacity of voltage regulation, inverter bridge unit and out put reactor are connected successively, controller unit is connected with inverter bridge unit, and described contact unit connects three-phase alternating-current supply, out put reactor connecting stator winding.
Preferably, the drive end cover of described rotor has drive end bearing, and the two ends of drive end bearing are provided with drive end bearing inner cap and drive end bearing enclosing cover, and drive end bearing inner cap, drive end bearing and drive end bearing enclosing cover are contained in first end and cover; The anti-drive end cover of rotor has non-driven-end bearing, and the two ends of non-driven-end bearing are provided with non-driven-end bearing inner cap and non-driven-end bearing enclosing cover, and non-driven-end bearing inner cap, non-driven-end bearing and non-driven-end bearing enclosing cover are contained on the 3rd end cap.
Preferably, described rotor comprises rotor core and the rotating shaft of interference fit between the two, and rotor core is equipped with magnet steel, and magnet steel is fixed by the baffle plate at two ends, and the magnetic pole of magnet steel becomes internal type V structure, and baffle plate is provided with flabellum; Described rotating shaft is provided with circumferential explosion suppresion surface.
Preferably, described cylindrical shell and the second cavity are provided with both double thread cover through, the double thread of second cavity one end puts coupling nut, and the double thread of cylindrical shell one end is applied mechanically oil pipe and is connected to non-driven-end bearing.The oil injection structure of this kind of non-driven-end bearing, double thread has put flame proof thread, meets flame proof requirement, during oiling, is backed out by nut, loads onto lubricating cup, uses oil gun that lubricating grease is driven into Bearing inner by high-pressure oil pipe, realizes the lubrication to non-driven-end bearing.
Preferably, described drive end bearing adopts inner ring without rib cylindrical roller insulation bearing, and non-driven-end bearing adopts single-groove grooved ball insulation bearing.
Preferably, described rotor, non-driven-end bearing, non-driven-end bearing inner cap, non-driven-end bearing enclosing cover, the 3rd end cap are assembled into one, and loaded by the drive end of cylindrical shell, the 3rd end cap is stuck on the annulus of cylinder inboard wall; Facilitate motor general assembly.
Beneficial effect of the present invention:
This kind of permagnetic synchronous motor, support and frequency-conversion control cabinet integrated welding are connected together, motor body, input reactance device, out put reactor and frequency converter are arranged in support, rectifying bridge unit, DC side electric capacity of voltage regulation and inverter bridge unit are arranged in the first cavity of frequency-conversion control cabinet, controller unit and contact unit are arranged in the second cavity of frequency-conversion control cabinet, and this kind of layout type machine volume is little, compact conformation, can effective shield electromagnetic interference, and flame proof excellent effect.
Support cylindrical shell has helical groove, the lower end of cooled plate arranges U-shaped array water cooling tube, both are linked together by the high-pressure water pipe of band 3/4 pipe screw joint, the helical groove water-cooled of U-shaped array water cooling tube and cylindrical shell is formed integrated water cooling structure, can simultaneously cooling motor, reactor and frequency converter, and rectifying bridge unit, DC side electric capacity of voltage regulation and inverter bridge unit.The maximum hydraulic pressure that can bear 3MPa of whole cooling water channel, when being greater than this value, pressure release opened by relief valve.
Stator winding is shaping lap winding, and adopt the insulation system of few glue, in order to meet the requirement of motor weak-magnetic speed-regulating, design of electrical motor becomes permagnetic synchronous motor, and rotor magnetic pole is designed to internal type V structure.
The binding face of the first end cap and cylindrical shell, the binding face of the first end cap and drive end bearing inner cap, the binding face of drive end bearing inner cap and rotating shaft, the binding face of the second end cap and cylindrical shell, the binding face of the inwall of binding post and frequency-conversion control cabinet, power supply major-minor binding post, above binding face and binding post all reach flame proof requirement, and overall design meets flame proof requirement.
The drive end cover of described rotor has drive end bearing, and the two ends of drive end bearing are provided with drive end bearing inner cap and drive end bearing enclosing cover, and drive end bearing inner cap, drive end bearing and drive end bearing enclosing cover are contained in first end and cover; The anti-drive end cover of rotor has non-driven-end bearing, and the two ends of non-driven-end bearing are provided with non-driven-end bearing inner cap and non-driven-end bearing enclosing cover, and non-driven-end bearing inner cap, non-driven-end bearing and non-driven-end bearing enclosing cover are contained on the 3rd end cap.
The cooperation of the end cap of anti-drive end is built-in type, motor general assembly is convenient, non-drive end shield coordinates seam to be designed to built-in type, like this in the total process of assembling of motor, just can first rotor, the assembling parts such as the 3rd end cap, non-driven-end bearing inner cap, non-driven-end bearing enclosing cover, non-driven-end bearing become an entirety, are then loading from drive end entirety.
The baffle plate at magnet steel two ends is provided with flabellum, can agitation air cooling stator winding end when rotor rotates.
Drive end bearing adopts inner ring without rib cylindrical roller insulation bearing, non-driven-end bearing adopts single-groove grooved ball insulation bearing, shaft current can be prevented the infringement of bearing, bearing lubrication is grease lubrication, at the drive end of motor and anti-drive end, disc and degras box are all installed, better can realize the recovery of bearing lubrication and grease.
Be provided with double thread cover between cylindrical shell and the second cavity, double thread cover is positioned at one end coupling nut of the second cavity, and the one end being positioned at cylindrical shell is connected to non-driven-end bearing by pipeline, and this kind of design is the oiling device meeting flame proof requirement.
In order to realize vector control, at anti-drive end, resolver being installed, coming more accurate detection rotor position.
The technical indicator of this kind of permagnetic synchronous motor realization is as follows:
Rated power: 400kW
Rated voltage: 1140V
Rated current: 250A
Rated frequency: 50Hz
Rated speed: 1000rpm
The range of speeds 0 ~ 1800rpm, wherein 0 ~ 1000rpm permanent torque runs 1000 ~ 1800rpm output-constant operation
Explosive-proof grade: ExdI
Motor stop frequency: 120 times/hour
Overload capacity: 1.7 times of overloads continue 2min
System frequency: >=94%
Accompanying drawing explanation
Fig. 1 is the structural representation of permagnetic synchronous motor.
Fig. 2 is the cutaway view of support and frequency-conversion control cabinet.
Fig. 3 is the signal wiring figure of permagnetic synchronous motor.
Fig. 4 is the cutaway view of permagnetic synchronous motor.
Fig. 5 is the cutaway view of permagnetic synchronous motor.
Fig. 6 is the structural representation of inner core.
Fig. 7 is the structural representation of rotor.
Fig. 8 is A-A cutaway view in Fig. 7.
Fig. 9 is the cutaway view at motor anti-drive end place.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
Composition graphs 1 to Fig. 9, a kind of permagnetic synchronous motor, comprises support 1 and frequency-conversion control cabinet 2, and described frequency-conversion control cabinet 2 is welded on support 1.
The inside of described frequency-conversion control cabinet 2 is divided into the first cavity 21, second cavity 22 and the 3rd cavity 23 by dividing plate 31,32, rectifying bridge unit 41, DC side electric capacity of voltage regulation 42 and inverter bridge unit 43 is provided with in described first cavity 21, three is integrated in cooled plate 44, and described cooled plate 44 inside is provided with U-shaped array water cooling tube.Be provided with in described second cavity 22 in controller unit 45 and contact unit the 46, three cavity 23 and be provided with wiring of input power source terminal and power supply major-minor binding post.
Described support 1 comprises cylindrical shell and end cap, cylindrical shell is made up of the inner core 11 of phase collocated and urceolus 12, inner core 11 and urceolus 12 interference fit integrally welded, the urceolus face of inner core 11 has helical groove 13, U-shaped array water cooling tube is connected with the water pipe of helical groove 13 by band 3/4 pipe screw joint, and the helical groove water-cooled of U-shaped array water cooling tube and cylindrical shell is formed integrated water cooling structure.End cap comprises the first end cap 14 and the second end cap 15 being positioned at cylindrical shell two ends, and be positioned at the 3rd end cap 16 and the annulus 17 of cylindrical shell, rotor 51 is set between first end cap 14 and the 3rd end cap 16 and between stator the 52, three end cap 16 and the second end cap 15, input reactance device 47 and out put reactor 48 are set.
Described first cavity 21, second cavity 22 and support inner core 11 are connected formation first flame proof cavity, and the 3rd cavity 23 is second flame proof cavitys.
Described cylindrical shell is communicated with by the first cable-through hole 61 with the second cavity 22, annulus 17 has the second cable-through hole 62, dividing plate between first cavity 21 and the second cavity 22 has the 3rd cable-through hole 63, described contact unit 46, input reactance device 47, rectifying bridge unit 41, DC side electric capacity of voltage regulation 42, inverter bridge unit 43 and out put reactor 48 are connected successively, controller unit 45 is connected with inverter bridge unit 43, described contact unit 46 connects three-phase alternating-current supply, out put reactor 48 connecting stator winding.
The drive end cover of described rotor 51 has drive end bearing 71, the two ends of drive end bearing 71 are provided with drive end bearing inner cap 72 and drive end bearing enclosing cover 73, and drive end bearing inner cap 72, drive end bearing 71 and drive end bearing enclosing cover 73 are contained on the first end cap 14.The anti-drive end cover of rotor 51 has non-driven-end bearing 74, the two ends of non-driven-end bearing 74 are provided with non-driven-end bearing inner cap 75 and non-driven-end bearing enclosing cover 76, and non-driven-end bearing inner cap 75, non-driven-end bearing 74 and non-driven-end bearing enclosing cover 76 are contained on the 3rd end cap 16.Described drive end bearing 71 adopts inner ring without rib cylindrical roller insulation bearing, and non-driven-end bearing 74 adopts single-groove grooved ball insulation bearing.
Described rotor 51 comprises rotor core 511 and the rotating shaft 512 of interference fit between the two, rotor core 511 is equipped with magnet steel 513, magnet steel 513 is fixed by the baffle plate 514 at two ends, and the magnetic pole of magnet steel 513 becomes internal type V structure, baffle plate 514 is provided with flabellum 515; Described rotating shaft 512 is provided with circumferential explosion suppresion surface.
Described cylindrical shell and the second cavity 22 are provided with the double thread that both double thread through overlaps 8, second cavity 22 one end and overlap coupling nut 81 on 8, the double thread cover 8 of cylindrical shell one end is connected to non-driven-end bearing 74 with oil pipe 82.The oil injection structure of this kind of non-driven-end bearing, double thread cover 8 has flame proof thread, meets flame proof requirement, during oiling, nut 81 is backed out, loads onto lubricating cup, use oil gun that lubricating grease is driven into Bearing inner by high-pressure oil pipe, realize the lubrication to non-driven-end bearing 74.
Described rotor 51, non-driven-end bearing 74, non-driven-end bearing inner cap 75, non-driven-end bearing enclosing cover 76, the 3rd end cap 16 are assembled into one, and loaded by the drive end of cylindrical shell, the 3rd end cap 16 is stuck on the annulus 17 of cylinder inboard wall; Facilitate motor general assembly.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (5)
1. a permagnetic synchronous motor, is characterized in that, comprises support and frequency-conversion control cabinet, and described frequency-conversion control cabinet is welded on support;
The inside of described frequency-conversion control cabinet is divided into the first cavity, the second cavity and the 3rd cavity by dividing plate, rectifying bridge unit, DC side electric capacity of voltage regulation and inverter bridge unit is provided with in described first cavity, three is integrated in cooled plate, and described cooled plate inside is provided with U-shaped array water cooling tube; Controller unit and contact unit is provided with in described second cavity; Wiring of input power source terminal and power supply major-minor binding post is provided with in 3rd cavity;
Described support comprises cylindrical shell and end cap, cylindrical shell is made up of the inner core of phase collocated and urceolus, inner core and urceolus interference fit integrally welded, the urceolus face of inner core has helical groove, and U-shaped array water cooling tube is connected with the water pipe of helical groove by band 3/4 pipe screw joint; End cap comprises the first end cap and the second end cap that are positioned at cylindrical shell two ends, and is positioned at the 3rd end cap and annulus of cylindrical shell, arranges rotor and stator, arrange input reactance device and out put reactor between the 3rd end cap and the second end cap between the first end cap and the 3rd end cap;
Described first cavity, the second cavity and support inner core are connected formation first flame proof cavity, and the 3rd cavity is the second flame proof cavity; Described cylindrical shell is communicated with by the first cable-through hole with the second cavity, annulus has the second cable-through hole, dividing plate between first cavity and the second cavity has the 3rd cable-through hole, described contact unit, input reactance device, rectifying bridge unit, DC side electric capacity of voltage regulation, inverter bridge unit and out put reactor are connected successively, controller unit is connected with inverter bridge unit, described contact unit connects three-phase alternating-current supply, out put reactor connecting stator winding; Described rotor comprises rotor core and the rotating shaft of interference fit between the two, and rotor core is equipped with magnet steel, and magnet steel is fixed by the baffle plate at two ends, and the magnetic pole of magnet steel becomes internal type V structure, and baffle plate is provided with flabellum; Described rotating shaft is provided with circumferential explosion suppresion surface.
2. a kind of permagnetic synchronous motor according to claim 1, it is characterized in that, the drive end cover of described rotor has drive end bearing, the two ends of drive end bearing are provided with drive end bearing inner cap and drive end bearing enclosing cover, and drive end bearing inner cap, drive end bearing and drive end bearing enclosing cover are contained in first end and cover; The anti-drive end cover of rotor has non-driven-end bearing, and the two ends of non-driven-end bearing are provided with non-driven-end bearing inner cap and non-driven-end bearing enclosing cover, and non-driven-end bearing inner cap, non-driven-end bearing and non-driven-end bearing enclosing cover are contained on the 3rd end cap.
3. a kind of permagnetic synchronous motor according to claim 2, it is characterized in that, described cylindrical shell and the second cavity are provided with both double thread cover through, the double thread of second cavity one end puts coupling nut, and the double thread of cylindrical shell one end is applied mechanically oil pipe and is connected to non-driven-end bearing.
4. a kind of permagnetic synchronous motor according to claim 2, is characterized in that, described drive end bearing adopts inner ring without rib cylindrical roller insulation bearing, and non-driven-end bearing adopts single-groove grooved ball insulation bearing.
5. a kind of permagnetic synchronous motor according to claim 2, it is characterized in that, described rotor, non-driven-end bearing, non-driven-end bearing inner cap, non-driven-end bearing enclosing cover, the 3rd end cap are assembled into one, and loaded by the drive end of cylindrical shell, the 3rd end cap is stuck on the annulus of cylinder inboard wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517834.0A CN102983682B (en) | 2012-12-06 | 2012-12-06 | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517834.0A CN102983682B (en) | 2012-12-06 | 2012-12-06 | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102983682A CN102983682A (en) | 2013-03-20 |
| CN102983682B true CN102983682B (en) | 2015-02-04 |
Family
ID=47857488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517834.0A Active CN102983682B (en) | 2012-12-06 | 2012-12-06 | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102983682B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319950B (en) * | 2014-10-30 | 2017-01-25 | 兖州东方机电有限公司 | Frequency conversion and speed regulation all-in-one machine |
| CN109494915B (en) * | 2017-09-12 | 2024-03-01 | 杭州松下马达有限公司 | Motor end cover capable of carrying driving loop and motor |
| CN108357864A (en) * | 2018-03-05 | 2018-08-03 | 美卓矿山安全设备（徐州）有限公司 | Intelligent flame proof permanent-magnet synchronous roller and control method |
| CN109347291A (en) * | 2018-12-04 | 2019-02-15 | 兖矿东华重工有限公司 | The explosion-proof constant speed permasyn morot of mining scraper machine |
| CN112332743A (en) * | 2020-11-16 | 2021-02-05 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710761A (en) * | 2009-12-03 | 2010-05-19 | 三一电气有限责任公司 | Frequency conversion motor and engineering machine with same |
| CN101771305A (en) * | 2008-12-30 | 2010-07-07 | 三一重型装备有限公司 | Explosion-proof and intrinsic safety frequency conversion motor |
| CN202374123U (en) * | 2011-11-11 | 2012-08-08 | 青岛天信变频电机有限公司 | 500KW mine explosion-proof variable-frequency motor all-in-one machine |
| CN102684438A (en) * | 2012-05-28 | 2012-09-19 | 青岛海西电机有限公司 | Closed air-cooling permanent magnet synchronous motor and field-weakening speed adjusting method |
| CN202978602U (en) * | 2012-12-06 | 2013-06-05 | 青岛海西电机有限公司 | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08336261A (en) * | 1995-06-08 | 1996-12-17 | Hitachi Ltd | Driver system for electric vehicle |
| JP5492599B2 (en) * | 2010-02-26 | 2014-05-14 | 日立オートモティブシステムズ株式会社 | Rotating electrical machine system |
-
2012
- 2012-12-06 CN CN201210517834.0A patent/CN102983682B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771305A (en) * | 2008-12-30 | 2010-07-07 | 三一重型装备有限公司 | Explosion-proof and intrinsic safety frequency conversion motor |
| CN101710761A (en) * | 2009-12-03 | 2010-05-19 | 三一电气有限责任公司 | Frequency conversion motor and engineering machine with same |
| CN202374123U (en) * | 2011-11-11 | 2012-08-08 | 青岛天信变频电机有限公司 | 500KW mine explosion-proof variable-frequency motor all-in-one machine |
| CN102684438A (en) * | 2012-05-28 | 2012-09-19 | 青岛海西电机有限公司 | Closed air-cooling permanent magnet synchronous motor and field-weakening speed adjusting method |
| CN202978602U (en) * | 2012-12-06 | 2013-06-05 | 青岛海西电机有限公司 | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2011-182480A 2011.09.15 * |
| JP特开平8-336261A 1996.12.17 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102983682A (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102983682B (en) | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor | |
| CN101309036B (en) | Explosion isolation type low-voltage explosion-proof power generator | |
| CN103078435B (en) | Be applicable to the ultra-thin servo electromotor of elevator door-motor | |
| CN105186813A (en) | Flame-proof water cooling permanent magnetism synchronization disc motor | |
| CN202856575U (en) | Multilayer disk type flywheel energy storage device | |
| CN203416114U (en) | Motor used for oil pump | |
| CN202759357U (en) | Frequency conversion speed regulation asynchronous traction motor for AC transmission mining self-unloading vehicle | |
| CN202978602U (en) | Flame-proof type frequency conversion integrated permanent-magnet synchronous motor | |
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN101272078A (en) | Protection type brushless excitation synchronous motor | |
| CN201063506Y (en) | Permanent-magnet synchronous pulling motor | |
| CN201294418Y (en) | AC variable-frequency speed regulating asynchronous traction motor | |
| CN209659188U (en) | A kind of small space low-speed big permanent magnet motor intelligence drive system | |
| CN203104239U (en) | Brushless synchronous generator with dust remover | |
| CN102005880A (en) | Three-winding parallel single-phase induction motor | |
| CN201238249Y (en) | Explosion-proof low-voltage anti-burst electric motor | |
| CN210053263U (en) | Permanent magnet roller integrated machine | |
| CN204013148U (en) | A kind of belt conveyor directly drives Rolling motor structure | |
| CN209142983U (en) | Heavy permanent magnetism scrapper conveyor | |
| CN206650529U (en) | A kind of drier motor | |
| CN214242517U (en) | Drum-type all-in-one machine and belt conveyor | |
| CN206490512U (en) | A kind of tri-phase iron core formula radio energy-transmitting radial rotary converter | |
| CN109873579A (en) | A kind of small space low-speed big permanent magnet motor intelligence drive system | |
| CN104578535A (en) | Vehicle-mounted mining explosion-proof separately-ventilated and electrically-excited generator | |
| CN214124995U (en) | A middle end cover, motor and frequency conversion all-in-one for frequency conversion all-in-one |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191223 Address after: Room 2-801, No. 10, Changjiang East Road, Qingdao Economic and Technological Development Zone, Shandong Province Patentee after: Qingdao Haixi Electric Co., Ltd. Address before: 266555 No. 10 Changjiang East Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: Qingdao Haixi Electric Machine Co., Ltd. |
|
| TR01 | Transfer of patent right |