CN107872142A - A kind of permanent-magnet speed governor of fixed magnetic gap - Google Patents
A kind of permanent-magnet speed governor of fixed magnetic gap Download PDFInfo
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- CN107872142A CN107872142A CN201711060431.7A CN201711060431A CN107872142A CN 107872142 A CN107872142 A CN 107872142A CN 201711060431 A CN201711060431 A CN 201711060431A CN 107872142 A CN107872142 A CN 107872142A
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- 238000004804 winding Methods 0.000 claims abstract description 71
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
- H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
- H02K49/043—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with a radial airgap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P15/00—Arrangements for controlling dynamo-electric brakes or clutches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/38—Self-excitation by current derived from rectification of both output voltage and output current of generator
Abstract
The present invention relates to a kind of permanent-magnet speed governor of fixed magnetic gap, including with inputting the magnet rotor of axis connection, the internal rotor on the inside of magnet rotor and armature stator circumference positioned at magnet rotor end and the armature stator that is set up in parallel with magnet rotor and with output axis connection；Magnet rotor is included along the circumferentially distributed permanent magnet B of its inner peripheral surface；Armature stator includes fixed seat and along the circumferentially distributed winding coil A of fixed seat inner peripheral surface；Winding coil B and permanent magnet A is distributed with along its outer circumference surface in internal rotor side by side；Control system is connected between winding coil B and winding coil A；Slip ring is installed on internal rotor.Present invention employs slip energy rectified feedback technology, quick boosting or braking are realized by winding coil A, so that the fixation magnetic gap speed regulator speed governing rapid reaction, flexibly, stably, by slip energy rectified feedback booster action, it is achieved thereby that the maximization of speed efficiency.
Description
Technical field
The present invention relates to a kind of speed regulator, and in particular to a kind of permanent-magnet speed governor of fixed magnetic gap.
Background technology
Permanent-magnet speed governor is the magnetic couple speed governing by permanent magnet, realizes soft (magnetic) connection of motor and load, nothing
Any harmonic wave for influenceing power network produces, and reliability is high, and can high temperature, low temperature, humidity, dirt, inflammable and explosive, voltage instability and
Worked under the various adverse circumstances such as thunder and lightning, significantly mitigate mechanical oscillation, be widely used in electric power, steel, metallurgy, petrochemical industry, papermaking,
The industries such as municipal administration, naval vessel, irrigation and mining.And currently used permanent-magnet speed governor is to realize that rotating speed is adjusted by adjusting air gap
Whole, the power consumption of magnetic circuit adjuster is big, and has that torque-transfer capability is poor, assembly difficulty is high, wastes a large amount of rare earth resources
The shortcomings of.To solve the above problems, patent CN2015108084423 proposes a kind of permanent-magnet speed governor of fixed magnetic gap, from holding
The permanent-magnet speed governor for design that magnetic gap is constant, the quantity of the change magnetic line of force is started with, passes through the magnetic for controlling p-m rotor externally to show
Property size, so as to reach change torque purpose.But slippage be present between input, output, synchronization can not be realized, and slippage produces
Heat be consumed, torque transfer capability is relatively low.
The content of the invention
It can reduce magnetic circuit adjuster power consumption in view of the above-mentioned problems, the present invention provides one kind, improve torque-transfer capability
Fixation magnetic gap permanent-magnet speed governor.
Current permanent-magnet speed governor is all so as to controlling conductor by changing the air gap between conductor rotor and p-m rotor
Rotor cutting magnetic line number, to realize torque adjustment, because this mode has many drawbacks, the present invention is based on electromagnetism
Principle, caused slip energy between input, output is reused, so as to improve the transmission capacity of torque.
To solve the above problems, the technical scheme that the present invention takes is：A kind of permanent-magnet speed governor of fixed magnetic gap, including with
Input the magnet rotor of axis connection, positioned at magnet rotor end and the armature stator that is set up in parallel with magnet rotor and with exporting axis connection
The internal rotor on the inside of magnet rotor and armature stator circumference；Described magnet rotor includes circumferentially distributed along its inner peripheral surface
Permanent magnet B；Described armature stator includes fixed seat and along the circumferentially distributed winding coil A of fixed seat inner peripheral surface；Described
Winding coil B and permanent magnet A is distributed with along its outer circumference surface in internal rotor side by side；Described winding coil B and permanent magnet A respectively with
Permanent magnet B and winding coil A are correspondingly arranged；It is connected between described winding coil B and winding coil A for electric energy conversion
Control system, slip ring is installed on described internal rotor.
Magnet rotor is cylindrical, and its bottom connection input shaft, the medial surface of its side wall is circumferentially distributed permanent magnet B；Magnetic turns
Sub- top end opening, and it is arranged in juxtaposition the cylindric armature stator of both ends open；Internal rotor inserts magnetic by magnet rotor openend
On the inside of rotor.
Speed regulator principle：Relative motion is produced when magnet rotor rotates with internal rotor, winding coil B cutting magnetic fields produce electricity
Stream, while electric current produces induced field and permanent magnetism field interactions again, it is final to drive internal rotor edge and magnet rotor identical direction
Rotate, so as to drive the output shaft rotation being connected on internal rotor and export power.Winding coil B through control system be connected to around
Group loop A, electric current caused by winding coil B is passed through electric current through control system to the winding coil A on armature stator, according to electromagnetism
Principle of induction, produces electromagnetic force in the permanent magnet A magnetic fields on internal rotor, and the direction of electromagnetic force applies depending on winding coil A
Sense of current；When the direction of electromagnetic force and the identical direction of input shaft, boosting power i.e. driving force is shown as, now input shaft
Input power be approximately equal to the power output (loss for ignoring armature resistance, control system and rotation system) of output shaft；It is on the contrary
For brake force, the input power of input shaft is more than the power output of output shaft.
Described control system includes being connected on the rectification module at coil windings B both ends, to be connected on rectification module output end positive and negative
Adjusting control circuit and three-phase inverter bridge circuit between pole；Three-phase inverter bridge circuit output end wiring circle winding A；Institute
The three-phase inverter bridge circuit stated includes six FETs；Described adjusting control circuit includes three Hall elements and a control
Coremaking piece；Power end, the earth terminal of three Hall elements are respectively connected to rectification module output head anode, negative pole, three Hall members
The output end of part is connected to control chip input, and control chip power supply terminates rectification module output head anode, control chip
Output end is connected on the grid of six FETs respectively, and the control terminal of control chip draws drive control line and control for brake respectively
Line, control chip are further connected with speed adjusting resistance.Control principle of the system based on typical brushless motor, rectification module are used for whole
Flow and prevent electric current reversely charging.
Utilize the speed regulation process of above-mentioned control system：Adjust speed adjusting resistance, when speed adjusting resistance is in 0 position of speed governing, winding
Driving current is 0 in coil B, is reacted to commutating circuit output current and is approximately equal to 0, is similarly reacted in winding coil A loops electric
Stream output is approximately equal to 0, and now input speed is rated speed, output speed 0；When speed adjusting resistance is in the full journey position of speed governing,
Driving current is maximum in winding coil B, is reacted to commutating circuit output current maximum, is similarly reacted to winding coil A loops
Middle electric current output is maximum, and now input power is approximately equal to power output, and input speed is approximately equal to output speed；Accelerate and run
When, just push away (driving) work；Braking operation when slowing down and shutting down.The process of regulation speed adjusting resistance is the speed governing of speed regulator
Journey.
Described control system includes the loop being made up of coil windings B, controllable conduction part, rectification module；Coil around
Group B both ends are parallel with speed adjusting resistance, and adjusting control circuit and three-phase bridge type inverse are connected between rectification module output positive and negative charge
Circuit；Three-phase inverter bridge circuit output end wiring circle winding A；Described three-phase inverter bridge circuit includes six field-effects
Pipe；Described adjusting control circuit includes three Hall elements and a control chip；Power end, the earth terminal of three Hall elements
Rectification module output head anode, negative pole are respectively connected to, the output end of three Hall elements is connected to control chip input, control
Chip power terminates rectification module output head anode, and the output end of control chip is connected on the grid of six FETs respectively, controls
The control terminal of coremaking piece draws drive control line and brake control lines respectively.Control of the system based on typical brushless motor
Principle, rectification module are used for rectification and prevent electric current reversely charging.
Utilize the speed regulation process of above-mentioned control system：Speed adjusting resistance is adjusted, it is controllable when speed adjusting resistance is in 0 position of speed governing
Conductive member is not turned on, and electric current is 0 in winding coil B, and it is 0 to be reacted to commutating circuit output current, electricity in winding coil A loops
Flow for 0, now input speed is rated speed, output speed 0；When speed adjusting resistance is in the full journey position of speed governing, controllable conduction
Part turns on entirely, and electric current is maximum in winding coil B, is reacted to commutating circuit output current as maximum, electricity in winding coil A loops
Flow for maximum, now input power is approximately equal to power output, and input speed is approximately equal to output speed；When accelerating and running, just push away
(driving) works；Braking operation when slowing down and shutting down.The process of regulation speed adjusting resistance is the speed regulation process of speed regulator.
Preferably, described control chip uses integrated chip MCC33035 or DSPIC30F2010 or IR2136.
Preferably, described controllable conduction part uses controllable silicon or metal-oxide-semiconductor.
Preferably, described fixed seat and internal rotor Distributed Winding coil B part use iron core material.
Input shaft, the position of output shaft can exchange.Magnet rotor can connect output shaft i.e. in the application, and internal rotor connection is defeated
Enter axle.
The present invention as a result of slip energy rectified feedback technology, can be realized by winding coil A quick boosting or
Braking so that the fixation magnetic gap speed regulator speed governing rapid reaction, flexibly, stably, pass through slip energy rectified feedback boosting make
With it is achieved thereby that the maximization of speed efficiency, drastically increases energy-saving efficiency and energy-saving effect and service life is complete
Surmount frequency converter, belong to energy-efficient product, can be that user saves the great number of driving energy.
Brief description of the drawings
Fig. 1 is main sectional view of the present invention；
Fig. 2 is Fig. 1 A-A schematic cross-sectional views；
Fig. 3 is Fig. 1 B-B schematic cross-sectional views；
Fig. 4 is the control system schematic diagram of embodiment one；
Fig. 5 is the control system schematic diagram of embodiment two；
Wherein：1. fixed seat, 2. permanent magnet A, 3. input shafts, 4. winding coil A, 5. iron cores, 6. winding coil B, 7. is defeated
Shaft, 8. permanent magnet B, 9. control systems.
U1-U3 Hall elements, U4 control chips, VT1-VT6 FETs, R1 speed adjusting resistances, UO2 controllable conduction parts.
Embodiment
Embodiment one
A kind of permanent-magnet speed governor of fixed magnetic gap, including be connected with input shaft 3 magnet rotor, positioned at magnet rotor end and with
Armature stator that magnet rotor is set up in parallel and be connected with output shaft 7 on the inside of magnet rotor and armature stator circumference in turn
Son；Described magnet rotor is included along the circumferentially distributed permanent magnet B8 of its inner peripheral surface；Described armature stator include fixed seat 1 and
The winding coil A4 circumferentially distributed along the inner peripheral surface of fixed seat 1；Winding is distributed with along its outer circumference surface in described internal rotor side by side
Coil B6 and permanent magnet A2；Described winding coil B6 and permanent magnet A2 respectively with permanent magnet B8 and winding coil A4 is corresponding sets
Put；The control system 9 for electric energy conversion is connected between described winding coil B6 and winding coil A4；Described internal rotor
On slip ring is installed.
Described control system 9 includes being connected on the rectification module at coil windings B6 both ends, is connected on rectification module and exports and rectify
Adjusting control circuit and three-phase inverter bridge circuit between negative pole；Three-phase inverter bridge circuit output end wiring circle winding
A4；Described three-phase inverter bridge circuit includes six FET VT1-VT6；Described adjusting control circuit includes three suddenly
You are an element U1-U3 and control chip U4；Three Hall element U1-U3 power end, that earth terminal is respectively connected to rectification module is defeated
Go out proper pole, negative pole, three Hall element U1-U3 output end is connected to control chip U4 inputs, control chip U4 power supplys
Rectification module output head anode is terminated, control chip U4 output end is connected on six FET VT1-VT6 grid respectively, controls
Coremaking piece U4 control terminal draws drive control line and brake control lines respectively, and control chip U4 is further connected with speed adjusting resistance R1.
Preferably, described control chip U4 uses integrated circuit MCC33035 or DSPIC30F2010 or IR2136.
Preferably, described fixed seat 1 and internal rotor Distributed Winding coil B6 part use iron core 5.
Speed regulation process：Speed adjusting resistance R1 is adjusted, when speed adjusting resistance R1 is in 0 position of speed governing, electricity is driven in winding coil B6
Flow for 0, be reacted to commutating circuit output current and be approximately equal to 0, be similarly reacted to electric current output in winding coil A4 loops and be approximately equal to
0, now input speed is rated speed, output speed 0；When speed adjusting resistance R1 is in the full journey position of speed governing, winding coil B6
Middle driving current is maximum, is reacted to commutating circuit output current maximum, it is defeated to be similarly reacted to electric current in winding coil A4 loops
Go out maximum, now input power is approximately equal to power output, and input speed is approximately equal to output speed；When accelerating and running, just push away and (drive
It is dynamic) work；Braking operation when slowing down and shutting down.Regulation speed adjusting resistance R1 process is the speed regulation process of speed regulator.
Embodiment two
A kind of permanent-magnet speed governor of fixed magnetic gap, including be connected with input shaft 3 magnet rotor, positioned at magnet rotor end and with
Armature stator that magnet rotor is set up in parallel and be connected with output shaft 7 on the inside of magnet rotor and armature stator circumference in turn
Son；Described magnet rotor is included along the circumferentially distributed permanent magnet B8 of its inner peripheral surface；Described armature stator include fixed seat 1 and
The winding coil A4 circumferentially distributed along the inner peripheral surface of fixed seat 1；Winding is distributed with along its outer circumference surface in described internal rotor side by side
Coil B6 and permanent magnet A2；Described winding coil B6 and permanent magnet A2 respectively with permanent magnet B8 and winding coil A4 is corresponding sets
Put；The control system 9 for electric energy conversion is connected between described winding coil B6 and winding coil A4；On the internal rotor
Slip ring is installed.
Described control system 9 includes the loop being made up of coil windings B6, controllable conduction part UO2, rectification module；Line
Circle winding B6 both ends are parallel with speed adjusting resistance R1, and adjusting control circuit and three-phase bridge are connected between rectification module output positive and negative charge
Formula inverter circuit；Three-phase inverter bridge circuit output end wiring circle winding A4；Described three-phase inverter bridge circuit includes six
FET VT1-VT6；Described adjusting control circuit includes a three Hall element U1-U3 and control chip U4；Three suddenly
Your element U1-U3 power end, earth terminal is respectively connected to rectification module output head anode, negative pole, three Hall element U1-U3's
Output end is connected to control chip U4 inputs, control chip U4 power supplys termination rectification module output head anode, control chip U4
Output end be connected on six FET VT1-VT6 grid respectively, control chip U4 control terminal draws drive control respectively
Line and brake control lines.
Preferably, described control chip U4 uses integrated circuit MCC33035 or DSPIC30F2010 or IR2136.
Preferably, described controllable conduction part UO2 uses controllable silicon or metal-oxide-semiconductor.
Preferably, described fixed seat 1 and internal rotor Distributed Winding coil B6 part use iron core 5.
Speed regulation process：Speed adjusting resistance R1 is adjusted, when speed adjusting resistance R1 is in 0 position of speed governing, controllable conduction part U02 is not led
Logical, electric current is 0 in winding coil B6, and it is 0 to be reacted to commutating circuit output current, and electric current is 0 in winding coil A4 loops, now
Input speed is rated speed, output speed 0；When speed adjusting resistance R1 is in the full journey position of speed governing, controllable conduction part U02 is complete
Turn on, electric current is maximum in winding coil B6, is reacted to commutating circuit output current as maximum, electric current is in winding coil A4 loops
Maximum, now input power be approximately equal to power output, input speed is approximately equal to output speed；When accelerating and running, just push away and (drive
It is dynamic) work；Braking operation when slowing down and shutting down.Regulation speed adjusting resistance R1 process is the speed regulation process of speed regulator.
Claims (6)
- A kind of 1. permanent-magnet speed governor of fixed magnetic gap, it is characterised in that：Including be connected with input shaft (3) magnet rotor, positioned at magnetic Rotor terminal and the armature stator being set up in parallel with magnet rotor and what is be connected with output shaft (7) be located at magnet rotor and armature stator The internal rotor of inside circumference；Described magnet rotor is included along the circumferentially distributed permanent magnet B (8) of its inner peripheral surface；Described armature Stator includes fixed seat (1) and along the circumferentially distributed winding coil A (4) of fixed seat (1) inner peripheral surface；Described internal rotor along its Winding coil B (6) and permanent magnet A (2) is distributed with outer circumference surface side by side；Described winding coil B (6) and permanent magnet A (2) is respectively It is correspondingly arranged with permanent magnet B (8) and winding coil A (4)；It is connected between described winding coil B (6) and winding coil A (4) Control system (9) for electric energy conversion；Slip ring is installed on described internal rotor.
- 2. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：Described control system (9) bag Include rectification module, the adjusting control circuit being connected between rectification module output positive and negative charge for being connected on coil windings B (6) both ends And three-phase inverter bridge circuit；Three-phase inverter bridge circuit output end wiring circle winding A (4)；Described three-phase bridge type inverse electricity Road includes six FETs (VT1-VT6)；Described adjusting control circuit includes three Hall elements (U1-U3) and a control Chip (U4)；Power end, the earth terminal of three Hall elements (U1-U3) are respectively connected to rectification module output head anode, negative pole, and three The output end of individual Hall element (U1-U3) is connected to control chip (U4) input, control chip (U4) power supply termination rectification mould Block output head anode, the output end of control chip (U4) are connected on the grid of six FETs (VT1-VT6), control chip respectively (U4) control terminal draws drive control line and brake control lines respectively, and control chip (U4) is further connected with speed adjusting resistance (R1).
- 3. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：Described control system (9) bag Include the loop being made up of coil windings B (6), controllable conduction part (UO2), rectification module；Coil windings B (6) both ends are parallel with Speed adjusting resistance (R1), adjusting control circuit and three-phase inverter bridge circuit are connected between rectification module output positive and negative charge；Three-phase Bridge inverter main circuit output end wiring circle winding A (4)；Described three-phase inverter bridge circuit includes six FET (VT1- VT6)；Described adjusting control circuit includes three Hall elements (U1-U3) and a control chip (U4)；Three Hall elements (U1-U3) power end, earth terminal is respectively connected to rectification module output head anode, negative pole, three Hall elements (U1-U3) it is defeated Go out end and be connected to control chip (U4) input, control chip (U4) power supply termination rectification module output head anode, control chip (U4) output end is connected on the grid of six FETs (VT1-VT6) respectively, and the control terminal of control chip (U4) is drawn respectively Drive control line and brake control lines.
- 4. the permanent-magnet speed governor of the fixation magnetic gap according to Claims 2 or 3, it is characterised in that：Described control chip (U4) MCC33035 or DSPIC30F2010 or IR2136 is used.
- 5. the permanent-magnet speed governor of fixed magnetic gap according to claim 3, it is characterised in that：Described controllable conduction part (UO2) controllable silicon or metal-oxide-semiconductor are used.
- 6. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：Described fixed seat (1) and Internal rotor Distributed Winding coil B (6) part uses iron core (5) material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060431.7A CN107872142A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711060431.7A CN107872142A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107872142A true CN107872142A (en) | 2018-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711060431.7A Pending CN107872142A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| CN (1) | CN107872142A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201099U (en) * | 1986-02-28 | 1987-05-13 | 柏飞 | Electromegnetic automatic stepless gearbox |
| CN1435934A (en) * | 2002-01-28 | 2003-08-13 | 哈尔滨九洲电气股份有限公司 | Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device |
| CN101068093A (en) * | 2006-08-25 | 2007-11-07 | 马俊杰 | Special power generator |
| CN105006951A (en) * | 2015-08-06 | 2015-10-28 | 江苏磁谷科技股份有限公司 | Magnetic coupling transmission device running at constant power and adjustable speed |
| CN106451997A (en) * | 2016-08-26 | 2017-02-22 | 诸暨和创磁电科技有限公司 | Magneto-electric speed regulator |
| CN106685282A (en) * | 2015-11-05 | 2017-05-17 | 广东美的生活电器制造有限公司 | Electric appliance and motor speed regulating device thereof |
| CN106911244A (en) * | 2017-04-20 | 2017-06-30 | 大连交通大学 | Permanent magnet speed regulation device based on electric current adjusting type |
| CN107248804A (en) * | 2017-07-20 | 2017-10-13 | 江苏磁谷科技股份有限公司 | A kind of desk permanent-magnet coupling mechanism and apply its device |
-
2017
- 2017-11-01 CN CN201711060431.7A patent/CN107872142A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201099U (en) * | 1986-02-28 | 1987-05-13 | 柏飞 | Electromegnetic automatic stepless gearbox |
| CN1435934A (en) * | 2002-01-28 | 2003-08-13 | 哈尔滨九洲电气股份有限公司 | Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device |
| CN101068093A (en) * | 2006-08-25 | 2007-11-07 | 马俊杰 | Special power generator |
| CN105006951A (en) * | 2015-08-06 | 2015-10-28 | 江苏磁谷科技股份有限公司 | Magnetic coupling transmission device running at constant power and adjustable speed |
| CN106685282A (en) * | 2015-11-05 | 2017-05-17 | 广东美的生活电器制造有限公司 | Electric appliance and motor speed regulating device thereof |
| CN106451997A (en) * | 2016-08-26 | 2017-02-22 | 诸暨和创磁电科技有限公司 | Magneto-electric speed regulator |
| CN106911244A (en) * | 2017-04-20 | 2017-06-30 | 大连交通大学 | Permanent magnet speed regulation device based on electric current adjusting type |
| CN107248804A (en) * | 2017-07-20 | 2017-10-13 | 江苏磁谷科技股份有限公司 | A kind of desk permanent-magnet coupling mechanism and apply its device |
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