CN107834807A - 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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- CN107834807A CN107834807A CN201711055453.4A CN201711055453A CN107834807A CN 107834807 A CN107834807 A CN 107834807A CN 201711055453 A CN201711055453 A CN 201711055453A CN 107834807 A CN107834807 A CN 107834807A
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- 238000004804 winding Methods 0.000 claims abstract description 64
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 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 description 2
- 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
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion 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
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- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
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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
- H02K16/00—Machines with more than one rotor or stator
- H02K16/005—Machines with only rotors, e.g. counter-rotating rotors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to a kind of permanent-magnet speed governor of fixed magnetic gap, including with inputting the magnet rotor, the external armature stator positioned at magnet rotor periphery and the interior armature rotor positioned at magnet rotor inside circumference with exporting axis connection of axis connection；Magnet rotor is included along the circumferentially distributed permanent magnet B of its inner peripheral surface and along the circumferentially distributed permanent magnet A of its outer circumference surface；Interior armature rotor has winding coil B along its outer circumference surface is circumferentially distributed；External armature stator is included positioned at the fixed seat of magnet rotor periphery and along the circumferentially distributed winding coil A of fixed seat inner peripheral surface；Control system is connected between winding coil B and winding coil A；Slip ring is installed on interior armature rotor.The present invention is as a result of slip energy rectified feedback technology, quick boosting or braking are realized by winding coil A, make to fix 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, the external armature stator positioned at magnet rotor periphery and be located at magnet rotor with output axis connection
The interior armature rotor of inside circumference；Described magnet rotor is included along the circumferentially distributed permanent magnet B of its inner peripheral surface and along outside it
The circumferentially distributed permanent magnet A of periphery；Described interior armature rotor has winding coil B along its outer circumference surface is circumferentially distributed；It is described
External armature stator include positioned at the fixed seat of magnet rotor periphery and along the circumferentially distributed winding wire of fixed seat inner peripheral surface
Enclose A；The control system for electric energy conversion is connected between described winding coil B and winding coil A；Pacify on interior armature rotor
Equipped with slip ring.
Magnet rotor is cylindrical, and its bottom connection input shaft, the inside and outside side of its side wall is circumferentially distributed respectively permanent magnet
B, permanent magnet A；Magnet rotor top end opening is for interior armature rotor insertion magnet rotor inner side.
Speed regulator principle：Relative motion is produced when magnet rotor rotates with interior armature rotor, winding coil B cutting magnetic fields produce
Electric current, while electric current produces induced field and permanent magnetism field interactions again, armature rotor edge is identical with magnet rotor in final drive
Direction rotate, so as to drive the output shaft rotation being connected on interior armature rotor and export power.Winding coil B is through control system
System is connected to winding coil A, and electric current caused by winding coil B is passed through through control system to the winding coil A on external armature stator
Electric current, according to electromagnetic induction principle, electromagnetic force is produced in the permanent magnet A magnetic fields on magnet rotor, the direction of electromagnetic force depends on
Winding coil A applies sense of current；When the direction of electromagnetic force and the identical direction of input shaft, show as boosting power and drive
Power, now the input power of input shaft be approximately equal to the power output of output shaft and (ignore armature resistance, control system and rotation system
Loss)；Otherwise it is 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 fixed seat, arrange that winding coil B part uses material as iron core on interior armature rotor.
Preferably, described control chip uses integrated chip MCC33035 or DSPIC30F2010 or IR2136.
Preferably, described controllable conduction part uses controllable silicon or metal-oxide-semiconductor.
Input shaft, the position of output shaft can exchange.Magnet rotor can connect output shaft i.e. in the application, and interior armature rotor connects
Connect input shaft.
Described permanent magnet A and permanent magnet B is respectively the N poles of same permanent magnet, S levels or is distributed in magnet rotor
The individual permanent magnets of inside and outside periphery.Its inside and outside circle of described magnet rotor is presented as the distribution of N, S polarity mistake pole or homopolarity distribution.
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 cross-sectional view of the present invention；
Fig. 2 is Fig. 1 A-A schematic cross-sectional views；
Fig. 3 is the control system schematic diagram of embodiment one；
Fig. 4 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 periphery
External armature stator and the interior armature rotor positioned at magnet rotor inside circumference that is connected with output shaft 7；Described magnet rotor bag
Include along the circumferentially distributed permanent magnet B 8 of its inner peripheral surface and along the circumferentially distributed permanent magnet A 2 of its outer circumference surface；Described is interior
Armature rotor has winding coil B 6 along its outer circumference surface is circumferentially distributed；；Described external armature stator includes being located at magnet rotor circumference
The fixed seat 1 in outside and along the circumferentially distributed winding coil A 4 of the inner peripheral surface of fixed seat 1；Described winding coil B 6 and winding
The control system 9 for electric energy conversion is connected between loop A 4；Slip ring is installed on interior armature rotor.Described permanent magnet A
2 and permanent magnet B 8 respectively the N poles of same permanent magnet, S levels are distributed in the independence of the inside and outside periphery of magnet rotor forever
Magnet.
Preferably, described fixed seat 1, arrange that winding coil B part uses iron core 5 on interior armature rotor.
Described control system 9 includes being connected on the rectification module at the both ends of coil windings B 6, 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 A
4；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.
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 periphery
External armature stator and the interior armature rotor positioned at magnet rotor inside circumference that is connected with output shaft 7；Described magnet rotor bag
Include along the circumferentially distributed permanent magnet B 8 of its inner peripheral surface and along the circumferentially distributed permanent magnet A 2 of its outer circumference surface；Described is interior
Armature rotor has winding coil B 6 along its outer circumference surface is circumferentially distributed；Described external armature stator includes being located at magnet rotor circumference
The fixed seat 1 in outside and along the circumferentially distributed winding coil A 4 of the inner peripheral surface of fixed seat 1；Described winding coil B 6 and winding
The control system 9 for electric energy conversion is connected between loop A 4；Slip ring is installed on interior armature rotor.
Described permanent magnet A 2 and permanent magnet B 8 respectively the N poles of same permanent magnet, S levels are distributed in magnetic turn
The individual permanent magnets of the inside and outside periphery of son.
Preferably, described fixed seat 1, arrange that winding coil B part uses iron core 5 on interior armature rotor.
Described control system 9 includes the loop being made up of coil windings B 6, controllable conduction part UO2, rectification module；
Coil windings B6 both ends are parallel with speed adjusting resistance R1, and adjusting control circuit and three-phase are connected between rectification module output positive and negative charge
Bridge inverter main circuit；Three-phase inverter bridge circuit output end wiring circle winding A 4；Described three-phase inverter bridge circuit includes six
Individual FET VT1-VT6；Described adjusting control circuit includes a three Hall element U1-U3 and control chip U4；Three
Hall element U1-U3 power end, earth terminal is respectively connected to rectification module output head anode, negative pole, three Hall element U1-U3
Output end be connected to control chip U4 inputs, control chip U4 power supplys termination rectification module output head anode, control chip
U4 output end is connected on six FET VT1-VT6 grid respectively, and control chip U4 control terminal draws driving control respectively
Line and brake control lines processed.
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.
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 B 6, and it is 0 to be reacted to commutating circuit output current, and electric current is 0 in the loops of winding coil A 4, this
When input speed be rated speed, output speed 0；When speed adjusting resistance R1 is in the full journey position of speed governing, controllable conduction part U02
Complete to turn on, electric current is maximum in winding coil B 6, is reacted to commutating circuit output current as maximum, electricity in the loops of winding coil A 4
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.Regulation speed adjusting resistance R1 process is the speed regulation process of speed regulator.
Claims (7)
- 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 External armature stator on the outside of rotor circumference and the interior armature rotor positioned at magnet rotor inside circumference being connected with output shaft (7)； Described magnet rotor is included along the circumferentially distributed permanent magnet B (8) of its inner peripheral surface and circumferentially distributed forever along its outer circumference surface Magnet A (2)；Described interior armature rotor has winding coil B (6) along its outer circumference surface is circumferentially distributed；Described external armature stator Including the fixed seat (1) positioned at magnet rotor periphery and along the circumferentially distributed winding coil A (4) of fixed seat (1) inner peripheral surface； The control system (9) for electric energy conversion is connected between described winding coil B (6) and winding coil A (4)；Interior armature turns Slip ring is installed on son.
- 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 fixed magnetic gap according to claim 1, it is characterised in that：Described fixed seat (1), interior electricity Pivot and arrange that winding coil B (6) part uses material as iron core on son.
- 5. 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.
- 6. 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.
- 7. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：Described permanent magnet A (2) and forever Magnet B (8) is respectively N poles, S levels or the individual permanent magnets for being distributed in the inside and outside periphery of magnet rotor of same permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711055453.4A CN107834807A (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 |
|---|---|---|---|
| CN201711055453.4A CN107834807A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107834807A true CN107834807A (en) | 2018-03-23 |
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ID=61650351
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711055453.4A Pending CN107834807A (en) | 2017-11-01 | 2017-11-01 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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Citations (7)
| 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 |
| 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 CN201711055453.4A patent/CN107834807A/en active Pending
Patent Citations (7)
| 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 |
| 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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