CN107979260A - 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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- CN107979260A CN107979260A CN201711055454.9A CN201711055454A CN107979260A CN 107979260 A CN107979260 A CN 107979260A CN 201711055454 A CN201711055454 A CN 201711055454A CN 107979260 A CN107979260 A CN 107979260A
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- rotor disk
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- control
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- 238000004804 winding Methods 0.000 claims abstract description 79
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000005669 field effect Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 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
- 238000009826 distribution Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000033228 biological regulation Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 2
- 238000005520 cutting process Methods 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
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000002360 explosive Substances 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
- 238000004519 manufacturing process Methods 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
- H02K49/046—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type with an axial 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
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial 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 armature rotor disk of axis connection, being arranged at the magnet rotor disk with exporting axis connection of armature rotor disk opposite and being arranged at the magnetic stator at the armature rotor disk back side；Armature rotor disk is included in winding coil B, winding coil A and the iron core being arranged between winding coil B, winding coil A that the inside and outside side of its excircle is set respectively, the permanent magnet B that magnet rotor disk is provided with its excircle medial surface, magnetic stator include fixed seat and the permanent magnet A being distributed along fixed seat periphery inner circumferential；The control system for electric energy conversion is connected between winding coil B and winding coil A.Present invention employs slip energy rectified feedback technology, quick boosting or braking are realized by winding coil A, make fixed magnetic gap governor speed governing rapid reaction, flexible, stabilization, 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 governor, 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 influencing power grid produces, and reliability is high, and can high temperature, low temperature, humidity, dirt, inflammable and explosive, voltage instability and
Work 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 rotating speed tune by adjusting air gap
Whole, the power consumption of magnetic circuit adjuster is big, and there are 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 that achieve the purpose that change torque.But synchronization can not be realized there are slippage, and slippage produces between input, output
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 control conductor by varying the air gap between conductor rotor and p-m rotor
Rotor cutting magnetic line number, to realize torque adjustment, since this mode is there are many drawbacks, the present invention to be based on electromagnetism
Principle, the slip energy for inputting, being produced between output is reused, so as to improve the transmission capacity of torque.
To solve the above problems, the technical solution that the present invention takes is：A kind of permanent-magnet speed governor of fixed magnetic gap, including with
Input axis connection armature rotor disk, be arranged at armature rotor disk opposite with export axis connection magnet rotor disk and setting
Magnetic stator in the armature rotor disk back side；The armature rotor disk be included in that the inside and outside side of its excircle sets respectively around
Group coil B, winding coil A and the iron core being arranged between winding coil B, winding coil A, the magnet rotor disk is in outside it
Inside circumference face is provided with the permanent magnet B being correspondingly arranged with winding coil B, and the magnetic stator includes fixed seat and along fixed seat
The permanent magnet A being correspondingly arranged with winding coil A of distribution on the inside of periphery；Connect between the winding coil B and winding coil A
It is connected to the control system for electric energy conversion.
The circumferentially distributed winding coil B of the medial surface of armature rotor disk, magnet rotor disk respectively at its disk periphery, permanent magnet B；
The circumferentially distributed winding coil A of lateral surface of the armature rotor disk in its disk periphery, the medial surface of magnetic stator is circumferentially distributed have with around
The permanent magnet A that group loop A is correspondingly arranged.
Governor principle：Relative motion, the production of winding coil B cutting magnetic fields are produced when armature rotor disk rotates with magnet rotor disk
Raw electric current, while electric current produces induced field and permanent magnetism field interactions again, it is final to drive magnet rotor disk edge and armature rotor disk
Identical direction rotates, so as to drive the output shaft being connected on magnet rotor disk to rotate and export power.Winding coil B is through control
System is connected to winding coil A, and the electric current that winding coil B is produced leads to through control system to the winding coil A on armature rotor disk
Enter electric current, according to electromagnetic induction principle, produce electromagnetic force in the permanent magnet A magnetic fields on magnetic stator, the direction of electromagnetic force is depended on
Apply sense of current in winding coil A；When the direction of electromagnetic force and the identical direction of input shaft, show as boosting power and drive
Power, at this time the input power of input shaft be approximately equal to the output power of output shaft and (ignore armature resistance, control system and rotation system
The loss of system)；Otherwise it is brake force, the input power of input shaft is more than the output power of output shaft.
The control system includes being connected on the rectification module at coil windings B both ends, to be connected on rectification module output terminal 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 field-effect tube；The adjusting control circuit includes three Hall elements and a control
Coremaking piece；Power end, the ground terminal of three Hall elements are respectively connected to rectification module output head anode, anode, three Hall members
The output terminal of part is connected to control chip input terminal, and control chip power supply terminates rectification module output head anode, control chip
Output terminal is connected on the grid of six field-effect tube 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 circuits electric
Stream output is approximately equal to 0, and input speed is rated speed at this time, output speed 0；When speed adjusting resistance expires journey position in 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 circuits
Middle electric current output is maximum, and input power is approximately equal to output power at this time, 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 for adjusting speed adjusting resistance is the speed governing of governor
Journey.
The control system includes the circuit being made of coil windings B, controllable conduction component, 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；The three-phase inverter bridge circuit includes six field-effects
Pipe；The adjusting control circuit includes three Hall elements and a control chip；Power end, the ground terminal of three Hall elements
Rectification module output head anode, anode are respectively connected to, the output terminal of three Hall elements is connected to control chip input terminal, control
Chip power terminates rectification module output head anode, and the output terminal of control chip is connected on the grid of six field-effect tube 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 circuits
Flow for 0, input speed is rated speed at this time, output speed 0；When speed adjusting resistance expires journey position in speed governing, controllable conduction
Component 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 circuits
Flow for maximum, input power is approximately equal to output power at this time, 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 for adjusting speed adjusting resistance is the speed regulation process of governor.It is preferred that
, the control chip uses integrated chip MCC33035 or DSPIC30F2010 or IR2136.
Preferably, the controllable conduction component uses silicon-controlled or metal-oxide-semiconductor.
Input shaft, the position of output shaft can exchange.Armature rotor disk can connect output shaft, magnet rotor disk i.e. in the application
Connect input shaft.
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 governor speed governing rapid reaction, flexible, stabilization, pass through slip energy rectified feedback boosting and 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 the left view of magnetic stator；
Fig. 3 is one control system schematic diagram of embodiment；
Fig. 4 is two control system schematic diagram of embodiment；
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 field-effect tube,
R1 speed adjusting resistances, UO2 controllable conduction components.
Embodiment
Embodiment one
A kind of permanent-magnet speed governor of fixed magnetic gap, including be connected with input shaft 3 armature rotor disk, be arranged at armature rotor
The magnet rotor disk being connected with output shaft 7 of disk opposite and the magnetic stator for being arranged at the armature rotor disk back side；The armature
Rotor disk is included in winding coil B6, the winding coil A4 and be arranged at winding wire that the inside and outside side of its excircle sets respectively
Enclose B6, the iron core 5 between winding coil A4, the magnet rotor disk is provided with and B6 pairs of winding coil in its excircle medial surface
The permanent magnet B8 that should be set, the magnetic stator is distributed including fixed seat 1 and along 1 periphery inner circumferential of fixed seat and winding
The permanent magnet A2 that loop A 4 is correspondingly arranged；It is connected between the winding coil B6 and winding coil A4 for electric energy conversion
Control system 9.
The 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 anode；Three-phase inverter bridge circuit output end wiring circle winding
A4；The three-phase inverter bridge circuit includes six field-effect tube VT1-VT6；The adjusting control circuit includes three suddenly
You are an element U1-U3 and control chip U4；The power end of three Hall element U1-U3, that ground terminal is respectively connected to rectification module is defeated
Outlet cathode, anode, the output terminal of three Hall element U1-U3 are connected to control chip U4 input terminals, control chip U4 power supplys
Rectification module output head anode is terminated, the output terminal of control chip U4 is connected on the grid of six field-effect tube VT1-VT6 respectively, controls
The control terminal of coremaking piece U4 draws drive control line and brake control lines respectively, and control chip U4 is further connected with speed adjusting resistance R1.
Preferably, the control chip U4 uses integrated circuit MCC33035 or DSPIC30F2010 or IR2136.
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 circuits and be approximately equal to
0, input speed is rated speed at this time, output speed 0；When speed adjusting resistance R1 expires journey position in 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 circuits
Go out maximum, input power is approximately equal to output power at this time, 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.The process for adjusting speed adjusting resistance R1 is the speed regulation process of governor.Embodiment
Two
A kind of permanent-magnet speed governor of fixed magnetic gap, including be connected with input shaft 3 armature rotor disk, be arranged at armature rotor
The magnet rotor disk being connected with output shaft 7 of disk opposite and the magnetic stator for being arranged at the armature rotor disk back side；The armature
Rotor disk is included in winding coil B6, the winding coil A4 and be arranged at winding wire that the inside and outside side of its excircle sets respectively
Enclose B6, the iron core 5 between winding coil A4, the magnet rotor disk is provided with and B6 pairs of winding coil in its excircle medial surface
The permanent magnet B8 that should be set, the magnetic stator is distributed including fixed seat 1 and along on the inside of 1 periphery of fixed seat and winding coil
The permanent magnet A2 that A4 is correspondingly arranged；The control for electric energy conversion is connected between the winding coil B6 and winding coil A4
System 9.
The control system 9 includes the circuit being made of coil windings B6, controllable conduction component 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；The three-phase inverter bridge circuit includes six
Field-effect tube VT1-VT6；The adjusting control circuit includes a three Hall element U1-U3 and control chip U4；Three suddenly
Power end, the ground terminal of your element U1-U3 is respectively connected to rectification module output head anode, anode, three Hall element U1-U3's
Output terminal is connected to control chip U4 input terminals, control chip U4 power supplys termination rectification module output head anode, control chip U4
Output terminal be connected on the grid of six field-effect tube VT1-VT6 respectively, the control terminal of control chip U4 draws drive control respectively
Line and brake control lines.
Preferably, the control chip U4 uses integrated circuit MCC33035 or DSPIC30F2010 or IR2136.
Preferably, the controllable conduction component UO2 uses silicon-controlled or metal-oxide-semiconductor.
Speed regulation process：Speed adjusting resistance R1 is adjusted, when speed adjusting resistance R1 is in 0 position of speed governing, controllable conduction component 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 circuits, at this time
Input speed is rated speed, output speed 0；When speed adjusting resistance R1 expires journey position in speed governing, controllable conduction component 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 circuits
Maximum, at this time input power be approximately equal to output power, 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.The process for adjusting speed adjusting resistance R1 is the speed regulation process of governor.
Claims (5)
- A kind of 1. permanent-magnet speed governor of fixed magnetic gap, it is characterised in that：Including be connected with input shaft (3) armature rotor disk, set The magnet rotor disk being connected with output shaft (7) for being placed in armature rotor disk opposite and the magnetic for being arranged at the armature rotor disk back side are determined Son；The armature rotor disk is included in winding coil B (6), the winding coil A (4) that the inside and outside side of its excircle is set respectively And the iron core (5) between winding coil B (6), winding coil A (4) is arranged at, the magnet rotor disk is on the inside of its excircle Face is provided with the permanent magnet B (8) being correspondingly arranged with winding coil B (6), and the magnetic stator includes fixed seat (1) and along fixation The permanent magnet A (2) being correspondingly arranged with winding coil A (4) of seat (1) periphery inner circumferential distribution；The winding coil B (6) control system (9) for electric energy conversion is connected between winding coil A (4).
- 2. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：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)；The three-phase bridge type inverse electricity Road includes six field-effect tube (VT1-VT6)；The adjusting control circuit includes three Hall elements (U1-U3) and a control Chip (U4)；Power end, the ground terminal of three Hall elements (U1-U3) are respectively connected to rectification module output head anode, anode, and three The output terminal of a Hall element (U1-U3) is connected to control chip (U4) input terminal, control chip (U4) power supply termination rectification mould Block output head anode, the output terminal of control chip (U4) are connected on the grid of six field-effect tube (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：Control system (9) bag Include the circuit being made of coil windings B (6), controllable conduction component (UO2), rectification module；Coil windings B (6) both ends are parallel with Speed adjusting resistance (R1), is connected to adjusting control circuit and three-phase inverter bridge circuit between rectification module output positive and negative charge；Three-phase Bridge inverter main circuit output end wiring circle winding A (4)；The three-phase inverter bridge circuit includes six field-effect tube (VT1- VT6)；The adjusting control circuit includes three Hall elements (U1-U3) and a control chip (U4)；Three Hall elements (U1-U3) power end, ground terminal is respectively connected to rectification module output head anode, anode, three Hall elements (U1-U3) it is defeated Outlet is connected to control chip (U4) input terminal, control chip (U4) power supply termination rectification module output head anode, control chip (U4) output terminal is connected on the grid of six field-effect tube (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：The 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：The controllable conduction component (UO2) silicon-controlled or metal-oxide-semiconductor is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055454.9A CN107979260A (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 |
|---|---|---|---|
| CN201711055454.9A CN107979260A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| Publication Number | Publication Date |
|---|---|
| CN107979260A true CN107979260A (en) | 2018-05-01 |
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ID=62012828
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711055454.9A Pending CN107979260A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204465317U (en) * | 2014-07-30 | 2015-07-08 | 江苏磁谷科技股份有限公司 | Winding type permanent magnetism speed differential clutch |
| CN104767357A (en) * | 2014-07-30 | 2015-07-08 | 江苏磁谷科技股份有限公司 | Winding type permanent magnet coupling transmission device |
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
| 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 |
| 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 |
| CN207652289U (en) * | 2017-11-01 | 2018-07-24 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
-
2017
- 2017-11-01 CN CN201711055454.9A patent/CN107979260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204465317U (en) * | 2014-07-30 | 2015-07-08 | 江苏磁谷科技股份有限公司 | Winding type permanent magnetism speed differential clutch |
| CN104767357A (en) * | 2014-07-30 | 2015-07-08 | 江苏磁谷科技股份有限公司 | Winding type permanent magnet coupling transmission device |
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
| 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 |
| 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 |
| CN207652289U (en) * | 2017-11-01 | 2018-07-24 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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Application publication date: 20180501 |