CN204652202U - Permanent-magnetic energy-saving speed governing integrated electric motor - Google Patents
Permanent-magnetic energy-saving speed governing integrated electric motor Download PDFInfo
- Publication number
- CN204652202U CN204652202U CN201520305556.1U CN201520305556U CN204652202U CN 204652202 U CN204652202 U CN 204652202U CN 201520305556 U CN201520305556 U CN 201520305556U CN 204652202 U CN204652202 U CN 204652202U
- Authority
- CN
- China
- Prior art keywords
- rotor
- driving
- sliding sleeve
- speed governing
- drive
- 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 - Fee Related
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
This technology discloses permanent-magnetic energy-saving speed governing integrated electric motor in one, and adjusting device comprises the speed governing pull bar, driving sliding sleeve and the speed governing sliding sleeve that are arranged on rear-end of spindle; Drive sliding sleeve axially becoming to be rotationally connected with main shaft by speed regulating bearing, axially becoming to be fixedly connected with; Described speed governing sliding sleeve one end is fixedly connected with rear end cap, and the other end is connected with driving sliding sleeve by power transmission shaft; Drive the outer surface of sliding sleeve to be provided with helicla flute, power transmission shaft is suitable and embed in helicla flute with helicla flute, driving sliding sleeve and speed governing sliding sleeve is rotationally connected in the circumferential, in the axial direction one-tenth rotation power transmission; When rotating speed governing pull bar, power transmission shaft slides and promotes to drive sliding sleeve to move vertically in helicla flute, the driving rotor being installed on front-end of spindle is also driven and moves vertically, makes magnetic conduction steel loop and copper ring and is driven the permanent magnet overlapping area in rotor circumference to change.This technical costs is low, and simply, energy-saving effect is remarkable, and easy to maintenance, the scope of application is wide for speed adjusting technique and manufacture craft.
Description
Technical field
This technology belongs to electro-mechanical arts, particularly a kind of permanent-magnetic energy-saving speed governing integrated electric motor.
Background technology
At present at large size industrial enterprise, such as, in the industries such as chemical industry, cement, metallurgy, due to the needs in the technological process of production and energy-conservation object, a large amount of frequency converters is applied in production.Wherein, the motor more than 200 kilowatts is mostly high-voltage motor.Especially the motor of rated power more than 400 kilowatts, voltage is all 6000V or 10000V substantially.The high voltage converter that high-voltage motor is joined has shortcomings, mainly comprises: system complex, difficult in maintenance and costly.In addition, its harmonic wave produced also can pollute electrical network.For electromagnetic induction governor, because its structure is simple, easy to maintenance and safe and reliable, can replace high voltage converter completely.But the power of Wind-cooling type electromagnetic induction energy-saving governor maximum adaptation motor is generally at 355 kilowatts.Power as motor is greater than 355 kilowatts, then its permanent magnet has higher demagnetization risk, inapplicable in industrialization continuous seepage.In a word, existing motor and AC induction motor are installed compatible mutually, install, inconvenient debugging, impracticable, and technical sophistication, manufacture craft is loaded down with trivial details, and efficiency is not high.
Summary of the invention
The object of this technology is to provide a kind of permanent-magnetic energy-saving speed governing integrated electric motor, and to overcome existing electric machine speed regulation technical sophistication, manufacture craft is loaded down with trivial details, the not high deficiency of efficiency.
For realizing above-mentioned technical purpose, the technical scheme that this technology is taked is: this permanent-magnetic energy-saving speed governing integrated electric motor, comprises casing and main shaft, and described casing comprises front end housing, housing and rear end cap; Described main shaft is rotationally connected by rear bearing and rear end cap, is rotationally connected by fore bearing and front end housing, and described fore bearing and rear bearing are cylinder roller bearing, and described main shaft is moved vertically relative to casing; Also comprise the driving rotor that is fixedly mounted on front-end of spindle be positioned at drive rotor and be fixedly connected with bearing axle driven rotor; Described driving rotor comprises magnetic conduction steel loop and is fixedly installed on the copper ring of magnetic conduction steel loop inner surface; Described by driving rotor outer surface be provided with the permanent magnet corresponding with copper ring; Also comprise for regulating by the adjusting device driving rotor relative to the axial location of main shaft; It is characterized in that: adjusting device comprises the speed governing pull bar, driving sliding sleeve and the speed governing sliding sleeve that are arranged on rear-end of spindle; Described driving sliding sleeve is axially becoming to be rotationally connected with main shaft by speed regulating bearing, is axially becoming to be fixedly connected with; Described speed governing sliding sleeve one end is fixedly connected with rear end cap, and the other end is connected with driving sliding sleeve by power transmission shaft; The outer surface of described driving sliding sleeve is provided with helicla flute, described power transmission shaft and helicla flute suitable and embed in helicla flute, driving sliding sleeve and speed governing sliding sleeve are rotationally connected in the circumferential, become to rotate power transmission in the axial direction; When rotating speed governing pull bar, power transmission shaft slides and promotes to drive sliding sleeve to move vertically in helicla flute, the driving rotor being installed on front-end of spindle is also driven and moves vertically, makes magnetic conduction steel loop and copper ring and is driven the permanent magnet overlapping area in rotor circumference to change.
Preferably, also comprise for give drive rotor and by drive rotor heat radiation radiating subassembly; Described radiating subassembly comprises arranging and drives the driving rotor fan housing outside rotor, is arranged on the driving rotor cooling air groove of magnetic conduction steel loop outer surface, is arranged on and drives cooling air holes in epitrochanterian driving rotor; Drive rotor fan housing and drive between rotor and driving rotor fan is installed; Drive rotor fan housing and drive between rotor and leave gap, formed and drive the outer cooling air channel of rotor; Gap between copper ring and permanent magnet is for driving cooling air channel in rotor; When rotating under the drive driving rotor at motor, drive rotor fan by a cooling air part by driving the outer cooling air channel of rotor and driving rotor cooling air groove, to cool the outer surface driving rotor; Cooling air another part is cooled air holes by driving in rotor and drives cooling air channel in rotor, to cool copper ring simultaneously.
Preferably, the axis of described copper ring inner surface element of cone and main shaft has angle, angle 5 ° ~ 15 °.
The realization of this technology is based on such principle: when bulk conductor is placed in alternating magnetic field, can evoke induced electric field in conductor, the electronics in conductor can form electric current under the driving of induced electric field, because this electric current is closed path, is therefore vortex flow.Vortex flow can produce magnetic field, and this magnetic field and former alternating magnetic field interact, and produces magnetic force, produces moment of torsion, realize transmission of power time on magneticaction to driving rotor.Therefore, for achieving the above object, this technology takes such technical scheme: permanent-magnetic energy-saving speed governing integrated electric motor, comprises support, electric machine main shaft can be made to make the speed regulating device moved axially, also comprise the driving rotor that is arranged on motor drive terminal and by driving rotor.Adopt this technology of said structure, when the main axial direction electric machine anti-drive end of speed regulating device drive motor moves, magnetic flux diminishes, vortex flow is corresponding to diminish, vortex flow produce magnetic field die down, vortex flow produce magnetic field with by the permanent magnet magnetic field interactions driven in rotor circumference, magnetic force dies down, output torque diminishes, and load speed declines.When speed regulating device drive motor main shaft moves to motor drive terminal, magnetic flux quantitative change is large, and vortex flow strains greatly mutually, vortex flow produce magnetic field grow, vortex flow produce magnetic field with by the permanent magnet magnetic field interactions driven in rotor circumference, magnetic force grow, output torque becomes large, and load speed raises.So just achieve stepless speed regulation.
This technology of this technology have studied permanent-magnetic energy-saving speed governing integrated electric motor optimum structure scheme, propose brand-new design thought, its objective is that design is a kind of mutually compatible with existing AC induction motor installation dimension, install, debugging easily, a kind of novel permanent magnetic energy-saving speed regulating integrated electric motor of practicality.The speed regulating device of this permanent-magnetic energy-saving speed governing integrated electric motor are positioned at motor anti-drive end, drive rotor to be positioned at motor drive terminal, circumferentially arrange the spindle end being arranged on load equipment by driving rotor of Nd-Fe-B permanent magnet.When speed regulating device drive motor main shaft moves axially, change and drive rotor and by the magnetic flux driven between rotor, and then change output torque, realize the object to load speed governing.In a word, this technical costs is low, and simply, energy-saving effect is remarkable, and easy to maintenance, the scope of application is wide for speed adjusting technique and manufacture craft.
Accompanying drawing explanation
In order to describe this technology in detail, be described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of this technology;
Fig. 2 is this technology humanized sliding sleeve schematic diagram;
Fig. 3 is the schematic diagram that this technology speed governing pull bar is in centre position;
Fig. 4 is the schematic diagram that this technology speed governing pull bar is rotated counterclockwise;
Fig. 5 is the schematic diagram that this technology speed governing pull bar turns clockwise;
Fig. 6 is that this technology magnetic flux is maximum, schematic diagram when output speed is the highest;
Fig. 7 is that this technology magnetic flux is minimum, schematic diagram when output speed is minimum.
Embodiment
embodiment 1
See Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, this permanent-magnetic energy-saving speed governing integrated electric motor, comprise casing and main shaft 8, described casing comprises front end housing 18, housing and rear end cap 2; Described main shaft 8 is rotationally connected by rear bearing 11 and rear end cap 2, and be rotationally connected by fore bearing 33 and front end housing 18, described fore bearing 33 and rear bearing 11 are cylinder roller bearing, and described main shaft 8 can be moved vertically relative to casing; Also comprise the driving rotor 19 that is fixedly mounted on main shaft 8 front end be positioned at drive rotor 19 and be fixedly connected with bearing axle driven rotor 28; Described driving rotor 19 comprises magnetic conduction steel loop 23 and is fixedly installed on the copper ring 30 of magnetic conduction steel loop 23 inner surface; Describedly be provided with the permanent magnet 25 corresponding with copper ring 30 by driving rotor 28 outer surface; Also comprise for regulating by the adjusting device driving rotor 28 relative to the axial location of main shaft 8; Adjusting device comprises the speed governing pull bar 9, driving sliding sleeve 4 and the speed governing sliding sleeve 3 that are arranged on main shaft 8 rear end; Described driving sliding sleeve 4 is axially becoming to be rotationally connected with main shaft 8 by speed regulating bearing 5, is axially becoming to be fixedly connected with; Described speed governing sliding sleeve 3 one end is fixedly connected with rear end cap 2, and the other end is connected with driving sliding sleeve 4 by power transmission shaft 10; The outer surface of described driving sliding sleeve 4 is provided with helicla flute, and described power transmission shaft 10 is suitable and embed in helicla flute with helicla flute, driving sliding sleeve 4 and speed governing sliding sleeve 3 is rotationally connected in the circumferential, becomes to rotate power transmission in the axial direction; When rotating speed governing pull bar 9, power transmission shaft 10 slides and promotes to drive sliding sleeve 4 to move vertically in helicla flute, the driving rotor 19 being installed on main shaft 8 front end is also driven and moves vertically, makes magnetic conduction steel loop 23 and copper ring 30 and is driven rotor 28 permanent magnet 25 overlapping area circumferentially to change.
Preferably, also comprise for driving rotor 19 and being driven the radiating subassembly that dispels the heat of rotor 28; Described radiating subassembly comprise arrange drive the driving rotor fan housing outside rotor 19, be arranged on the driving rotor cooling air groove 22 of magnetic conduction steel loop 23 outer surface, be arranged on the driving rotor that drives on rotor 19 in cooling air holes 26; Drive rotor fan housing and drive between rotor 19 and driving rotor fan 20 is installed; Drive rotor fan housing and drive between rotor 19 and leave gap, formed and drive the outer cooling air channel 21 of rotor; Gap between copper ring 30 and permanent magnet 25 is for driving cooling air channel 24 in rotor; When rotating under the drive driving rotor 19 at motor, drive rotor fan 20 by a cooling air part by driving the outer cooling air channel 21 of rotor and driving rotor cooling air groove 22, to cool the outer surface driving rotor 19; Cooling air another part is cooled air holes 26 by driving in rotor and drives cooling air channel 24 in rotor, to cool copper ring 30 simultaneously.The axis of described copper ring 30 inner surface element of cone and main shaft 8 has angle, angle 5 ° ~ 15 °.
Further, as shown in Figure 1, this technology is primarily of support 1, rear end cap 2, speed governing sliding sleeve 3, drive sliding sleeve 4, speed regulating bearing 5, electric motor fan 6, motor fan housing 7, main shaft 8, speed governing pull bar 9, power transmission shaft 10, rear bearing 11, rear bearing inner ring 12, oil cap 13 in rear, rotor core 14, stator core 15, suspension ring 16, stator winding 17, front end housing 18, drive rotor 19, drive rotor fan 20, drive the outer cooling air channel 21 of rotor, drive rotor cooling air groove 22, magnetic conduction steel loop 23, drive cooling air channel 24 in rotor, permanent magnet 25, drive cooling air holes 26 in rotor, load shaft coupling 27, by driving rotor 28, motor coupler 29, copper ring 30, front outer oil cap 31, fore bearing inner ring 32, fore bearing 33, in front, oil cap 34 forms.
The operation principle of this speed governing integrated electric motor: drive sliding sleeve 4 outer surface to be provided with helicla flute, as shown in Figure 2, when speed governing pull bar 9 drive drive sliding sleeve 4 to rotate time, by the effect of power transmission shaft 10 and speed governing sliding sleeve 3, main shaft 8 is moved axially.If speed governing pull bar 9 is rotated counterclockwise from the position of Fig. 3, as shown in Figure 4, main shaft 8 moves to motor anti-drive end, main shaft 8 is driven by motor coupler 29 and drives rotor 19 also to move to motor anti-drive end, as shown in Figure 7, magnetic conduction steel loop 23, copper ring 30 with reduced by permanent magnet 25 overlapping area driven in rotor circumference, magnetic flux diminishes, vortex flow in copper ring 30 is corresponding to diminish, the magnetic field that vortex flow produces dies down, vortex flow produce magnetic field with by permanent magnet 25 magnetic field interaction driven in rotor circumference, magnetic force dies down, output torque diminishes, load speed declines.If speed governing pull bar 9 turns clockwise from the position of Fig. 3, as shown in Figure 5, main shaft 8 moves to motor drive terminal, main shaft 8 is driven by motor coupler 29 and drives rotor 19 also to move to motor drive terminal, as shown in Figure 6, magnetic conduction steel loop 23, copper ring 30 with increased by permanent magnet 25 overlapping area driven in rotor circumference, magnetic flux quantitative change is large, vortex flow in copper ring 30 strains greatly mutually, the magnetic field grow that vortex flow produces, vortex flow produce magnetic field with by permanent magnet 25 magnetic field interaction driven in rotor circumference, magnetic force grow, output torque becomes large, load speed raises.So just achieve stepless speed regulation.
In order to take away the heat that vortex flow produces, driving on rotor 19 and being provided with cooling air holes 26 in driving rotor fan 20, driving rotor cooling air groove 22 and driving rotor.As shown in Figure 1, when driving rotor 19 to rotate under the drive of motor, drive rotor fan 20 by a cooling air part by driving the outer cooling air channel 21 of rotor and driving rotor cooling air groove 22, cooling drives rotor 19 outer surface; Cooling air another part is cooled air holes 26 by driving in rotor and drives cooling air channel 24 in rotor simultaneously, cooling copper ring 30.In order to make the cooling effect of cooling air best, copper ring 30 inner surface element of cone is designed to have angle with the axis of main shaft 8, angle 5 ° ~ 15 °.
Claims (3)
1. a permanent-magnetic energy-saving speed governing integrated electric motor, permanent-magnetic energy-saving speed governing integrated electric motor, comprises casing and main shaft, and described casing comprises front end housing, housing and rear end cap; Described main shaft is rotationally connected by rear bearing and rear end cap, is rotationally connected by fore bearing and front end housing, and described fore bearing and rear bearing are cylinder roller bearing, and described main shaft is moved vertically relative to casing; Also comprise the driving rotor that is fixedly mounted on front-end of spindle be positioned at drive rotor and be fixedly connected with bearing axle driven rotor; Described driving rotor comprises magnetic conduction steel loop and is fixedly installed on the copper ring of magnetic conduction steel loop inner surface; Described by driving rotor outer surface be provided with the permanent magnet corresponding with copper ring; Also comprise for regulating by the adjusting device driving rotor relative to the axial location of main shaft; It is characterized in that: adjusting device comprises the speed governing pull bar, driving sliding sleeve and the speed governing sliding sleeve that are arranged on rear-end of spindle; Described driving sliding sleeve is axially becoming to be rotationally connected with main shaft by speed regulating bearing, is axially becoming to be fixedly connected with; Described speed governing sliding sleeve one end is fixedly connected with rear end cap, and the other end is connected with driving sliding sleeve by power transmission shaft; The outer surface of described driving sliding sleeve is provided with helicla flute, described power transmission shaft and helicla flute suitable and embed in helicla flute, driving sliding sleeve and speed governing sliding sleeve are rotationally connected in the circumferential, become to rotate power transmission in the axial direction; When rotating speed governing pull bar, power transmission shaft slides and promotes to drive sliding sleeve to move vertically in helicla flute, the driving rotor being installed on front-end of spindle is also driven and moves vertically, makes magnetic conduction steel loop and copper ring and is driven the permanent magnet overlapping area in rotor circumference to change.
2. permanent-magnetic energy-saving speed governing integrated electric motor according to claim 1, is characterized in that: also comprise for give drive rotor and by drive rotor heat radiation radiating subassembly; Described radiating subassembly comprises arranging and drives the driving rotor fan housing outside rotor, is arranged on the driving rotor cooling air groove of magnetic conduction steel loop outer surface, is arranged on and drives cooling air holes in epitrochanterian driving rotor; Drive rotor fan housing and drive between rotor and driving rotor fan is installed; Drive rotor fan housing and drive between rotor and leave gap, formed and drive the outer cooling air channel of rotor; Gap between copper ring and permanent magnet is for driving cooling air channel in rotor; When rotating under the drive driving rotor at motor, drive rotor fan by a cooling air part by driving the outer cooling air channel of rotor and driving rotor cooling air groove, to cool the outer surface driving rotor; Cooling air another part is cooled air holes by driving in rotor and drives cooling air channel in rotor, to cool copper ring simultaneously.
3. permanent-magnetic energy-saving speed governing integrated electric motor according to claim 2, is characterized in that: the axis of described copper ring inner surface element of cone and main shaft has angle, angle 5 ° ~ 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305556.1U CN204652202U (en) | 2015-05-12 | 2015-05-12 | Permanent-magnetic energy-saving speed governing integrated electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305556.1U CN204652202U (en) | 2015-05-12 | 2015-05-12 | Permanent-magnetic energy-saving speed governing integrated electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652202U true CN204652202U (en) | 2015-09-16 |
Family
ID=54104910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520305556.1U Expired - Fee Related CN204652202U (en) | 2015-05-12 | 2015-05-12 | Permanent-magnetic energy-saving speed governing integrated electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204652202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811013A (en) * | 2015-05-12 | 2015-07-29 | 江苏银茂控股（集团）有限公司 | Permanent magnet energy saving and speed regulation integrated motor |
| CN110752734A (en) * | 2019-10-30 | 2020-02-04 | 南京银茂永磁节能科技有限公司 | Speed regulating method of stepped permanent magnet energy-saving speed regulator |
-
2015
- 2015-05-12 CN CN201520305556.1U patent/CN204652202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811013A (en) * | 2015-05-12 | 2015-07-29 | 江苏银茂控股（集团）有限公司 | Permanent magnet energy saving and speed regulation integrated motor |
| CN110752734A (en) * | 2019-10-30 | 2020-02-04 | 南京银茂永磁节能科技有限公司 | Speed regulating method of stepped permanent magnet energy-saving speed regulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015295926B2 (en) | Winding type permanent magnet coupling transmission device | |
| CN106911244A (en) | Permanent magnet speed regulation device based on electric current adjusting type | |
| CN101951116A (en) | Permanent-magnetic speed regulator | |
| CN103346659A (en) | Internal radiation ring type static speed-adjusting permanent magnetic coupling | |
| CN102255474A (en) | Combined electromagnetic speed regulation system | |
| CN204013180U (en) | Cylindrical magnetic induction speed regulator | |
| CN202172355U (en) | Combined type electromagnetic speed regulation system | |
| CN201298803Y (en) | Speed regulation shaft coupling | |
| CN204652202U (en) | Permanent-magnetic energy-saving speed governing integrated electric motor | |
| CN203166730U (en) | Permanent-magnet torque regulator | |
| WO2012116572A1 (en) | Combined torque asynchronous variable-speed motor | |
| CN104467359A (en) | Permanent magnetic speed regulating energy-saving coupling | |
| CN104795934A (en) | Water-cooling type permanent magnet energy-saving adjustable-speed motor | |
| CN102916558B (en) | Cage-shaped rotor magnetic coupling capable of regulating speed | |
| CN205178835U (en) | Accuse angie type disk permanent -magnet coupling speed governor | |
| CN106300796B (en) | A kind of speed regulating motor | |
| CN204794557U (en) | Energy -conserving buncher of water -cooling type permanent magnetism | |
| CN104811013A (en) | Permanent magnet energy saving and speed regulation integrated motor | |
| CN207968296U (en) | Based on energy feedback type permanent magnet speed regulation device | |
| CN203717835U (en) | Permanent magnet transmission device with function of heat dissipation through forced convection | |
| CN206727868U (en) | Permanent magnet speed regulation device based on electric current adjusting type | |
| CN104767322A (en) | Motor speed regulation device for controlling rotating speed by regulating magnetic force lines | |
| CN205178841U (en) | Energy -conserving permanent magnetism governor of high reliability | |
| CN205178836U (en) | Accuse angie type cylindric permanent -magnet coupling speed governor | |
| CN204304755U (en) | A kind of Permanent Magnet and Electric eddy speed regulating device based on conjugation feedback magnet rotor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190423 Address after: 210000 No. 89 Qixia Street, Nanjing, Jiangsu Province Patentee after: Nanjing Yinmao permanent magnet energy technology Co.,Ltd. Address before: 210002 44th Floor, Block A, New Century Plaza, 288 Zhongshan East Road, Nanjing, Jiangsu Province Co-patentee before: Gao Xuetian Patentee before: JIANGSU YINMAO HOLDING GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |