CN107425696A - One kind moves radially magnetic screen formula permanent-magnet speed governor - Google Patents
One kind moves radially magnetic screen formula permanent-magnet speed governor Download PDFInfo
- Publication number
- CN107425696A CN107425696A CN201710720832.4A CN201710720832A CN107425696A CN 107425696 A CN107425696 A CN 107425696A CN 201710720832 A CN201710720832 A CN 201710720832A CN 107425696 A CN107425696 A CN 107425696A
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- Prior art keywords
- rotor
- magnetic screen
- speed governor
- conical gear
- move radially
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- 239000004020 conductor Substances 0.000 claims abstract description 48
- 230000033228 biological regulation Effects 0.000 claims abstract description 32
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 8
- 230000006698 induction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
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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
- H02K49/046—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
One kind moves radially magnetic screen formula permanent-magnet speed governor, including conductor rotor, p-m rotor, move radially magnetic screen mechanism, the magnetic screen mechanism that moves radially includes radial direction shielding construction, magnetic flux adjustment structure, and the radial direction shielding construction is connected with the magnetic flux adjustment structure；The magnetic flux adjustment structure is realized by the transmission mechanism with conical gear set, conical gear, screw rod, nut and moved radially；Using magnetic screen principle, the radial position of radial direction shielding construction is adjusted, the axial force overcome required for the regulation integrated permanent magnet rotor that compares greatly reduces, and the output torque of magnetic flux adjustment structure greatly reduces therewith, and whole adjustment structure is simpler, smaller.
Description
Technical field
The invention belongs to permanent magnetic speed-adjusting technical field, more particularly to one kind to move radially magnetic screen formula permanent-magnet speed governor.
Background technology
In the industries such as large-scale mining, petrochemical industry, electric power and metallurgy, due to the needs of energy-conserving and environment-protective, permanent magnetic speed-adjusting dress
The application put is more and more extensive.Permanent magnet speed regulation device adapts to various adverse circumstances, including voltage ripple of power network is big, harmonic wave is tight
The place such as heavy, inflammable and explosive, moist, dust, can on-line control load rotating speed, to meet running needs, realize
Variable speed energy saving, speed adjustable range 0-98%, fractional energy savings 10%~65%.During work, the conductor rotor of motor driven permanent-magnet speed governor
(p-m rotor) rotates, and the magnetic induction line that permanent magnet is sent on the copper conductor cutting p-m rotor in conductor rotor produces vortex, whirlpool
The source magnetic field of the raw induced field of miscarriage, induced field and permanent magnet occurs coupling and then produces moment of torsion, p-m rotor (is led
Body rotor) band dynamic load rotation, because permanent magnetic speed-adjusting technology is simple, reliable, service life of equipment length, no Electromagnetic Interference is asked
Topic；So the arrangements for speed regulation in many difficult places of condition are gradually replaced by permanent-magnet speed governor.
Existing permanent-magnet speed governor mainly has tubular permanent-magnet speed governor and desk permanent-magnet speed regulator, and tubular speed regulator is by regulation
Tubular p-m rotor and tubular conductor rotor axis direction relative position, to change p-m rotor and conductor rotor coupling
Live part, and then torque is adjusted, this larger axial space just needed between p-m rotor and conductor rotor in favor of entering
The movement of row to axial；And desk permanent-magnet speed regulator is entered by adjusting the air gap between dish type p-m rotor and conductor rotor
The regulation of row torque, and then the speed governing to load is realized, equally it is also required to the regulation that larger axial space carries out air gap, product
Axial dimension is big, and very big inconvenience is brought to Reconstruction in field；During other speed governing, p-m rotor needs to move, and equipment arm length, shakes
It is dynamic big, to be easily damaged bearing, equipment dependability bad；During regulation, due to p-m rotor quality, rotary inertia is big, easily impacts；Adjust
Regulating device load, regulation shaft strength are excessive fragile；Vibration equipment is big, heating is high, permanent magnet easily fails；Adjust air gap simultaneously
When also need to overcome the effect of larger permanent magnetic attraction.This is resulted in is difficult to apply in the place of some limited spaces.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention, which is directed in permanent-magnet speed governor, adjusts mobile integrated permanent magnet rotor
The problem of required axial force that overcomes is very big, there is provided one kind moves radially magnetic screen formula permanent-magnet speed governor, and adjustment structure is more
Simply, it is smaller, while without mobile integral device structure so that the mass centre of equipment, installation site remain solid
It is fixed.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
One kind moves radially magnetic screen formula permanent-magnet speed governor, including conductor rotor, p-m rotor, moves radially magnetic screen machine
, there is gap in structure, the magnetic screen mechanism that moves radially is arranged on described lead between the conductor rotor and the p-m rotor
Between body rotor and the p-m rotor side；Characterized in that, the magnetic screen mechanism that moves radially includes radially shielding knot
Structure, magnetic flux adjustment structure, the radial direction shielding construction are connected with the magnetic flux adjustment structure；The magnetic flux adjustment structure passes through tool
There are conical gear set, conical gear, screw rod, the transmission mechanism of nut to realize and move radially that the radial direction shielding construction is installed on
On nut, radial direction of the screw rod mounting axis along the p-m rotor installs conical gear and nut on screw rod, conical gear set,
Conical gear is intermeshed, and the radial direction shielding construction is driven by nut and moved axially relative to screw rod.
Further, nut is driven axially to move relative to the rotation speed change of the p-m rotor by conical gear set
It is dynamic.
Further, realize that conical gear covers the change of rotating speed by the adjustment of rotational speed of regulation motor.
Further, radial direction shielding construction has multiple screen units, and each screen unit is by positioned at p-m rotor or so
Two barricades of both sides are formed.
Further, conductor rotor is cylindrical, including discoid back iron disk, circular back iron ring；Discoid back iron disk
It is fixedly connected between circular back iron ring using coupling block；P-m rotor be located at discoid back iron disk and circular back iron ring it
Between space.
Further, two barricades are installed at left and right sides of nut, the U-shaped structure screen unit of composition.
Further, the conical gear in magnetic flux adjustment structure, screw rod, nut are installed on p-m rotor body.
Further, the conical gear set is coaxially disposed with the p-m rotor.
Further, p-m rotor is installed on driving input shaft, and conductor rotor is installed on bearing axle.
Further, the rotating speed of regulation realizes speed governing by rotational speed governor.
Compared with prior art, the invention has the advantages that：
1st, can realize shroud sleeve with motor synchronous axial system in the case of movement radially, the movement of shroud sleeve can
To change the magnetic flux change between conductor rotor and p-m rotor.
2nd, the axial dimension for moving radially magnetic screen formula permanent-magnet speed governor is reduced, it is ensured that makes the length ruler of p-m rotor
It is very little to be fixed in motor shaft length range.The traditional shaft coupling connected between motor and load is removed in application,
It is i.e. replaceable to move radially magnetic screen formula permanent-magnet speed governor, should in factory without adjusting the installation site of motor and load equipment
It is easy to operation during with transformation.
3rd, security, the reliability of speed regulation process are improved, product facility is more stable more reliable, and can turn load
Speed is arbitrarily adjusted between the speed from zero-speed to conductor rotor.
Brief description of the drawings
Fig. 1 is permanent-magnet speed governor structure chart；
Fig. 2 is permanent magnetism support ring schematic diagram
Fig. 3 is spline housing schematic diagram；
Fig. 4 is guide block nut schematic diagram；
Fig. 5 is coupling block schematic diagram；
In figure：1 slip cap, 2 keys, 3 conical gear sets, 4 adjusting screw rods, 5 guide block nuts, 6 screws, 7 barricades, 8 axle sleeves,
9 conductor discs, 10 screws, 11 back iron rings, 12 bolts, 13 nuts, 14 pads, 15 permanent magnetic steels, 16 p-m rotor disks, 17 connections
Block, 18 screws, 19 barricades, 20 back iron disks, 21 bolts, 22 nuts, 23 pads, 24 coupling sleeves, 25 bearing axles, 26 axles elasticity
Back-up ring, 27 conical gears, 28 axle sleeves, 29 slip caps, 30 belts, 31 belt pulleys, 32 locknuts, 33 coupling sleeves, 34 motor shafts, 35 is flat
Head holding screw.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is described in detail.
As Figure 1-5, the present invention provides one kind and moves radially magnetic screen formula permanent-magnet speed governor, including conductor rotor, forever
Magnet rotor, air gap between the conductor rotor and the p-m rotor be present, in addition to move radially magnetic screen mechanism, the footpath
The side being arranged on to mobile magnetic screen mechanism between the conductor rotor and the p-m rotor.
It is described move radially magnetic screen mechanism can relatively described p-m rotor move radially.
The magnetic screen mechanism that moves radially includes barricade, magnetic flux adjustment structure, and the barricade is adjusted with the magnetic flux
Nodule structure connects.With some barricades and corresponding magnetic flux adjustment structure
The magnetic flux adjustment structure includes adjusting screw rod 4, guide block nut 5；Barricade 7 and 19, it is fixed by screws in and leads
On the left and right sides of block nut 5；Barricade 7 and 19, the left and right sides for being located at p-m rotor respectively；Guide block nut 5 is matched somebody with somebody by screw thread
Close in the one end of adjusting screw rod 4, realize that guide block nut 5 moves radially by the rotation of adjusting screw rod 4.The other end of adjusting screw rod 4 is consolidated
Dingan County is equipped with conical gear 27.
P-m rotor is made up of p-m rotor disk 16 and permanent magnetic steel 15.Wherein p-m rotor disk 16 includes the permanent magnetism of outer ring
The spline housing of support ring and inner ring；Permanent magnetism support ring is as shown in Fig. 2 plate-like in a ring, and in end face, circumferencial direction produces rectangle
Through hole, some permanent magnetic steels are arranged in the rectangular opening of permanent magnetism support ring；Rectangular through-hole is distributed in some regions on circumference, respectively
From the corresponding some barricades set respectively.The inside circumference of permanent magnetism support ring is provided with tooth form spline.
For spline housing as shown in figure 3, disc-shaped, its outer circumference is provided with tooth form spline, and carrying out installation with permanent magnetism support ring matches somebody with somebody
Close；The rectangular through-hole corresponding with barricade is set on spline housing, is respectively used to place the adjusting screw rod of magnetic flux adjustment structure
4th, guide block nut 5 and conical gear 27.
Spline housing axial direction side protrudes to form coupling sleeve 33, is installed on by key on motor shaft 34；Installed outside motor shaft 34
There is slip cap 1,29；Conical gear set 3 is hollow tube-shape, is enclosed on the outside of slip cap 1,29, mutual freely slidable rotation.
Conical gear set 3 engages with 27 mutual gear of conical gear.Belt pulley 31 is provided with by key on conical gear set 3, outside is driven
Motivation structure (regulation motor, figure in do not show) is connected between the belt pulley 31 using belt transmission, and belt pulley 31 passes through belt
The belt pulley (not shown) installed in 30 connection regulation motors.
The conductor rotor is cylindrical, including discoid back iron disk 20, circular back iron ring 11 and conductor disc 9.Connection
Set 24 is sleeved on bearing axle 25.Discoid back iron disk 20 is installed by bolt on coupling sleeve 24, discoid back iron disk 20 with
It is fixedly connected between circular back iron ring 11 using coupling block 17；In the periphery of discoid back iron disk 20 and circular back iron ring 11
Side is separately installed with two conductor discs 9, and conductor disc radius size is corresponding with p-m rotor radius, and conductor disc is by conductor material
Conductor ring structure is formed, such as copper ring structure, for cutting as caused by p-m rotor magnetic field and being produced in conductor corresponding
Induced-current；P-m rotor is used to produce magnetic field；Gap between conductor rotor and p-m rotor be present；Conductor rotor turns with permanent magnetism
Son be rotated, conductor rotor is fixedly installed on negative axle, and p-m rotor is installed on motor shaft, by conductor rotor with
Machine driving is realized in induced field effect between p-m rotor.
Embodiment：
The present embodiment moves radially magnetic screen formula permanent-magnet speed governor, in addition to cartridge type conductor rotor, is arranged on cartridge type and leads
The p-m rotor of body internal rotor, it is arranged between conductor rotor and p-m rotor side and moves radially magnetic screen mechanism.
Cartridge type conductor rotor is arranged on bearing axle, and the periphery of cartridge type conductor rotor is provided with copper conductor disk, p-m rotor
On motor driving shaft, p-m rotor is internally provided with permanent magnet.Air gap, nothing between conductor rotor and p-m rotor be present
Contact, moving radially magnetic screen mechanism can move radially with respect to p-m rotor.
The magnetic screen mechanism that moves radially of the present embodiment includes the barricade 7,19 and magnetic flux adjustment structure of connection, and magnetic flux is adjusted
Nodule structure includes adjusting screw rod 4, guide block nut 5；
Barricade 7,19 realizes the change of magnetic flux in the form of moving radially.Barricade 7,19 has sector structure.
Barricade 7,19 is located at left and right sides of p-m rotor, forms one group of screen unit；Barricade 7,19 is arranged on conductor
In side gap between rotor and the p-m rotor, for ease of the implementation of the present invention, screen unit has some groups, preferably
Using four groups be arranged symmetrically, barricade 7,19 is fixedly connected with guide block nut 5, and the width of barricade is greater than equal to permanent magnet
Width, so could move radially regulation after by permanent magnet realize completely shielding.In addition, the U-shaped screen that two barricades are formed
Unique embodiment that unit is not the present invention is covered, similar to the shape of this structure, every shielding principle is identical and can realize for other
The structure type of the present invention belongs to protection scope of the present invention.
External drive mechanism (controlling to adjust motor, do not show in figure) is set, pulley rotation is driven by belt transmission, and
Drive conical gear set 3, for controlling magnetic flux adjustment structure, and then control flux shield structure to movement, outside execution machine
Structure can use pneumatic, mode of surging, and can also use and control more accurate servomotor or stepper motor, also or using manual
Regulation, every electronic or on-electric control structure that can realize the present invention is protection scope of the present invention.
When specific system is formed,
It will control to adjust on motor support mounted externally, and electromagnetic clutch be installed on the axle of regulation motor, for reality
Now control to adjust the driving force output of motor.
Installation moves radially magnetic screen formula permanent-magnet speed governor in drive motor shaft.
Belt 30 is arranged in the pulley groove of regulation motor belt pulley and belt pulley 31, adjusts tensile force.
In drive motor shaft one end, set loads onto encoder and fixes reading head in encoder circumferential exterior, and reading head is external
The feedback line of extraction is connected with rotational speed governor, receives motor tach signal.
In regulation motor axle one end, set loads onto encoder, equally fixes reading head in encoder circumferential exterior, outside reading head
The feedback line of extraction is connected with rotational speed governor, receives regulation motor tach signal.
Regulation motor is connected by cable and rotational speed governor.Cable is connected with regulation motor with rotational speed governor
Connect, rotating speed control is carried out to regulation motor.
Rotational speed governor can use single frequency converter control system, i.e. regulation motor is controlled by frequency converter+PG, does speed and close
Ring, speed are adjusted by PLC dynamic PIDs.
Rotational speed governor can also use single servo drive system, i.e. regulation motor uses servomotor, can do speed closed loop
Or using main motor as driving shaft, auxiliary-motor follow in real time mode.
When electromagnetic clutch not adhesive, regulation motor exports without driving force, and belt 30 drives regulation motor belt pulley to enter
Row freely dallies, and now motor rotating speed N is equal with the rotating speed n of conical gear set 3.Then now conical gear 27 will not drive
Adjusting screw rod 4 produces rotation, and barricade 7,19 will not also move radially.
When electromagnetic clutch adhesive, the output of regulation motor driving force, regulation motor by the driving belt pulley 31 of belt 30,
Belt pulley 31 and conical gear set 3 is driven to rotate, when regulation motor is rotated, motor rotating speed N and conical gear set 3
Rotating speed n is for example unequal.Then now conical gear 27 can drive adjusting screw rod 4 to produce rotation, and footpath can accordingly occur for barricade 7,19
To movement.And the rotating speed of regulation motor can be controlled to adjust by rotational speed governor.
Operation principle of the present invention：When the magnetic pole of barricade and permanent magnet is completely disengaged, to the unshielded effect of permanent magnet, permanent magnetism
For the magnetic induction line of body all by copper conductor, copper conductor cutting magnetic induction line amount is maximum, and it is maximum to transmit moment of torsion.Now radial direction shielding construction
Radius minimum is moved radially, is completely exposed p-m rotor, axial shield structure is to the unshielded effect of permanent magnet, and moment of torsion is most
Greatly.
When driving starts, motor driving shaft drives p-m rotor to rotate, in conductor rotor in copper conductor cutting p-m rotor
Magnetic induction line in permanent magnet, induced-current is produced on copper conductor, and then form induced field, the magnetic of induced field and permanent magnet
The field effect of intercoupling produces torque drive load and rotated.
When radial direction shielding construction be moved to radius maximum, when the magnetic pole of permanent magnet is completely covered, due to the magnetic conductance of barricade
Rate is more than nearly thousand times of gap location medium, and now the magnetic strength line loop of permanent magnet is all limited in inside two barricades, is passed through
The magnetic induction line of copper conductor is zero, and for copper conductor with magnetic induction line without dissection, it is zero to transmit moment of torsion, now loads transfixion.
Finally it should be noted that：The explanation of the present invention is the foregoing is only, is not intended to limit the invention, although to this hair
Bright to be described in detail, for those skilled in the art, it still can be to foregoing described technical scheme
Modify, or equivalent substitution is carried out to which part technical characteristic.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (10)
1. one kind moves radially magnetic screen formula permanent-magnet speed governor, including conductor rotor, p-m rotor, move radially magnetic screen machine
, there is gap in structure, the magnetic screen mechanism that moves radially is arranged on described lead between the conductor rotor and the p-m rotor
Between body rotor and the p-m rotor side；Characterized in that, the magnetic screen mechanism that moves radially includes radially shielding knot
Structure, magnetic flux adjustment structure, the radial direction shielding construction are connected with the magnetic flux adjustment structure；The magnetic flux adjustment structure passes through tool
There are conical gear set, conical gear, screw rod, the transmission mechanism of nut to realize and move radially that the radial direction shielding construction is installed on
On nut, radial direction of the screw rod mounting axis along the p-m rotor installs conical gear and nut on screw rod, conical gear set,
Conical gear is intermeshed, and the radial direction shielding construction is driven by nut and moved axially relative to screw rod.
2. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that passes through conical gear set
Nut is driven to move axially relative to the rotation speed change of the p-m rotor.
3. according to claim 2 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that passes through regulation motor
Adjustment of rotational speed realizes the change of conical gear set rotating speed.
4. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that radial direction shielding construction has
There are multiple screen units, each screen unit is made up of two barricades at left and right sides of p-m rotor.
5. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that conductor rotor is in cylinder
Shape, including discoid back iron disk, circular back iron ring；Fixed between discoid back iron disk and circular back iron ring using coupling block
Connection；Space of the p-m rotor between discoid back iron disk and circular back iron ring.
6. according to claim 4 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that two barricades are installed on
At left and right sides of nut, the U-shaped structure screen unit of composition.
7. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that in magnetic flux adjustment structure
Conical gear, screw rod, nut be installed on p-m rotor body.
8. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that the conical gear set
It is coaxially disposed with the p-m rotor.
9. according to claim 1 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that p-m rotor is installed on
Drive on input shaft, conductor rotor is installed on bearing axle.
10. according to claim 3 move radially magnetic screen formula permanent-magnet speed governor, it is characterised in that the rotating speed of regulation leads to
Cross rotational speed governor and realize speed governing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720832.4A CN107425696A (en) | 2017-08-11 | 2017-08-11 | One kind moves radially magnetic screen formula permanent-magnet speed governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720832.4A CN107425696A (en) | 2017-08-11 | 2017-08-11 | One kind moves radially magnetic screen formula permanent-magnet speed governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107425696A true CN107425696A (en) | 2017-12-01 |
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ID=60433817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710720832.4A Pending CN107425696A (en) | 2017-08-11 | 2017-08-11 | One kind moves radially magnetic screen formula permanent-magnet speed governor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831087A (en) * | 2019-04-15 | 2019-05-31 | 金陵科技学院 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532340A (en) * | 2013-10-25 | 2014-01-22 | 东南大学 | Magnetism-adjustable permanent magnet eddy current governor |
| CN105634244A (en) * | 2016-02-06 | 2016-06-01 | 天津吉玄节能技术有限公司 | Radial spiral mobile magnetic-shielding permanent magnet governor |
| CN106992657A (en) * | 2017-04-27 | 2017-07-28 | 天津吉玄节能技术股份有限公司 | One kind axial movement magnetic screen formula permanent-magnet speed governor |
| CN208112489U (en) * | 2017-08-11 | 2018-11-16 | 天津吉玄节能技术股份有限公司 | One kind moving radially magnetic screen formula permanent-magnet speed governor |
-
2017
- 2017-08-11 CN CN201710720832.4A patent/CN107425696A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532340A (en) * | 2013-10-25 | 2014-01-22 | 东南大学 | Magnetism-adjustable permanent magnet eddy current governor |
| CN105634244A (en) * | 2016-02-06 | 2016-06-01 | 天津吉玄节能技术有限公司 | Radial spiral mobile magnetic-shielding permanent magnet governor |
| CN106992657A (en) * | 2017-04-27 | 2017-07-28 | 天津吉玄节能技术股份有限公司 | One kind axial movement magnetic screen formula permanent-magnet speed governor |
| CN208112489U (en) * | 2017-08-11 | 2018-11-16 | 天津吉玄节能技术股份有限公司 | One kind moving radially magnetic screen formula permanent-magnet speed governor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831087A (en) * | 2019-04-15 | 2019-05-31 | 金陵科技学院 | A kind of NEW TYPE OF COMPOSITE permanent-magnet eddy current governor |
| CN109831087B (en) * | 2019-04-15 | 2023-08-08 | 金陵科技学院 | Novel compound permanent magnet eddy current speed regulator |
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