CN207968295U - 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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- CN207968295U CN207968295U CN201721747660.1U CN201721747660U CN207968295U CN 207968295 U CN207968295 U CN 207968295U CN 201721747660 U CN201721747660 U CN 201721747660U CN 207968295 U CN207968295 U CN 207968295U
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- permanent magnet
- magnet
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- 239000006148 magnetic separator Substances 0.000 claims abstract description 28
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 4
- 150000002910 rare earth metals Chemical class 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 10
- 230000005389 magnetism Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 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
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model is related to a kind of permanent-magnet speed governor of fixed magnetic gap, including conductor rotor and its interior p-m rotor, conductor rotor includes input shaft and conductor；P-m rotor includes output shaft and pipe magnetic separator, pipe magnetic separator includes the permanent magnet of circumferential array, the poles N and the poles S are axially arranged along driven shaft and is provided with magnetizer on the outside of two magnetic poles for permanent magnet, it is provided with removable magnetic conductive cylinder on the inside of pipe magnetic separator, removable magnetizer is circumferentially distributed on removable magnetic conductive cylinder.The utility model substantially increases the engagement area of governor and reduces assembly difficulty, saved rare earth material, substantially increased torque-transfer capability as a result of fixed magnetic gap structure.As a result of magnetic circuit adjustment structure, substantially reduce the volume for executing the power consumption of regulating mechanism and reducing adjustment actuating mechanism to greatest extent, to greatly reduce the overall volume of governor, it not only reduces material consumption and saves installation space, even more brought conveniently to in-site installation construction.
Description
Technical field
The utility model is related to a kind of governors, and in particular to a kind of permanent-magnet speed governor of fixed magnetic gap.
Background technology
Permanent-magnet speed governor is the magnetic coupling speed governing by permanent magnet, realizes soft (magnetic) connection of motor and load, nothing
The harmonic wave of any influence power grid generates, and reliability is high, and can high temperature, low temperature, humidity, dirt, inflammable and explosive, voltage instability and
It works under the various adverse circumstances such as thunder and lightning, substantially mitigates 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 that there are torque-transfer capabilities is poor, assembly difficulty is high, a large amount of rare earth resources of waste.
Invention content
It can reduce magnetic circuit adjuster power consumption in view of the above-mentioned problems, the utility model provides one kind, improve torque transmission
Ability, the permanent-magnet speed governor for reducing assembly difficulty, a kind of fixed magnetic gap for saving rare earth resources.
Current permanent-magnet speed governor is all by changing the air gap between conductor rotor and p-m rotor to control conductor
Rotor cutting magnetic line number, come realize torque adjustment, since this mode is there are many drawbacks, the utility model is based on
Electromagnetic principle, constant from holding magnetic gap, the change magnetic line of force the quantity, which is started with, designs new permanent-magnet speed governor, with reference to permeability magnetic material
Characteristic, by controlling the magnetic size that externally shows of permanent magnet, to achieve the purpose that change torque.To solve above-mentioned ask
Topic, the technical solution that the utility model is taken are：A kind of permanent-magnet speed governor of fixed magnetic gap, including conductor rotor as input
And its interior p-m rotor as output, conductor rotor include input shaft and lead along input shaft inner peripheral surface is circumferentially distributed
Body；The p-m rotor includes output shaft and the pipe magnetic separator that is connect with output shaft inner end, and the pipe magnetic separator includes circumferential arranges
The poles N and the poles S are axially arranged along driven shaft and is set respectively on the outside of two magnetic pole of permanent magnet at least one permanent magnet of row, permanent magnet
It is equipped with magnetizer A and magnetizer B, pipe magnetic separator is connected to driven shaft inner end by magnetizer B；It is provided on the inside of pipe magnetic separator removable
Dynamic magnetic conductive cylinder, moves the removable magnetic conduction being circumferentially distributed on magnetic conductive cylinder for closing gap between magnetizer A and magnetizer B
Body, the removable magnetic conductive cylinder are equipped with executing agency, and the executing agency is by removable magnetic conductive cylinder along driven shaft axial direction
It is mobile, change the gap between magnetizer A and magnetizer B and then changes the magnetic intensity of magnetizer A and magnetizer B.
Relative motion is generated with p-m rotor when conductor rotor rotates, permanent magnetic field generates vortex in conductor rotor, simultaneously
Vortex generates induced field and permanent magnetism field interactions again, final that p-m rotor is driven to turn along direction identical with conductor rotor
It is dynamic, to which driven shaft exports power.And the power exported is directly proportional to magnetic field intensity (magnetic line of force intensity) of p-m rotor, permanent magnetism
The magnetic field intensity of rotor can move magnetic conductive cylinder by the actuating mechanism controls in magnetic circuit adjuster by actuating mechanism controls
Movement change the magnetism that magnetizer is externally shown, generate the change of divergence of rotating speed most so as to cause conductor rotor and driven shaft
The purpose of speed governing is realized eventually.Specific adjustment process：It is moved by executing agency and moves magnetic conductive cylinder, when removable magnetic conductive cylinder will be led
When gap between magnet A and magnetizer B is completely enclosed, the magnetic line of force is smooth through magnetizer A and magnetizer B, removable magnetic conductive cylinder
It passes through, magnetizer does not show magnetism externally；When except the gap that removable magnetic conductive cylinder is completely between two magnetizers, magnetic force
Line traverses in air, and magnetizer A and magnetizer B are magnetized to corresponding polar kicker magnet, according to removable magnetic conductive cylinder institute
Locate the magnetism difference that position is different, and magnetizer A and magnetizer B are externally shown.Such mode is relative to change conductor rotor and forever
For the axial distance of magnet rotor, the power consumption of magnetic circuit adjuster is reduced, improves the transmission capacity of torque.
Preferably, the magnetizer A on the outside of two magnetic pole of the permanent magnet and magnetizer B is arranged with permanent magnet equal thickness, can
Mobile magnetizer inner end can by and the corresponding positions magnetizer B be moved to position corresponding with magnetizer A to by magnetizer A and
Gap is closed between magnetizer B.
Preferably, the magnetizer B in the extreme outside of the permanent magnet magnetic is arranged with permanent magnet equal thickness, the thickness of magnetizer A
Thickness and magnetizer A more than permanent magnet are stretched out along its thickness direction on the inside of pipe magnetic separator, move magnetizer inner end can by with
The corresponding positions magnetizer B, which are moved to, to be contacted to close in gap between magnetizer A and magnetizer B with magnetizer A.
Preferably, the magnetizer A on the outside of two magnetic pole of the permanent magnet and magnetizer B is arranged with permanent magnet equal thickness,
There are two removable magnetic conductive cylinders for setting on the inside of pipe magnetic separator, and it includes circumferentially distributed in two removable magnetic conductions respectively to move magnetizer
The removable magnetizer A and removable magnetizer B for gap between closing magnetizer A and magnetizer B jointly on cylinder, it is removable
The inner end of dynamic magnetizer A and removable magnetizer B is respectively by position corresponding with magnetizer A and magnetizer B along driven shaft axial direction
Two removable magnetizer contacts are moved inwardly into close gap between magnetizer A and magnetizer B.
During use, permanent-magnet speed governor is installed in Mr. Yu's control system, pressure, flow, liquid level or other control letters
It number is received and is handled by control system, be then provided to executing agency, move removable magnetic conductive cylinder by executing agency, change magnetic
Field intensity adjusts load speed, meets control and requires.
The utility model substantially increases the engagement area of governor and reduces dress as a result of fixed magnetic gap structure
With difficulty, rare earth material has been saved, has substantially increased torque-transfer capability.As a result of magnetic circuit adjustment structure, greatly reduce
It executes the power consumption of regulating mechanism and to greatest extent reduces the volume of adjustment actuating mechanism, to greatly reduce tune
The overall volume of fast device not only reduces material consumption and saves installation space, even more gives the in-site installation construction side of bringing
Just.
Description of the drawings
Fig. 1 is that embodiment one moves schematic diagram when magnetic conductive cylinder is opened completely；
Fig. 2 is that embodiment one moves schematic diagram when magnetic conductive cylinder completely encloses；
Fig. 3 is that embodiment two moves schematic diagram when magnetic conductive cylinder is opened completely；
Fig. 4 is that embodiment two moves schematic diagram when magnetic conductive cylinder completely encloses；
Fig. 5 is that embodiment three moves schematic diagram when magnetic conductive cylinder is opened completely；
Fig. 6 is that embodiment three moves schematic diagram when magnetic conductive cylinder completely encloses；
Wherein 1, input shaft, 2, magnetizer A, 3, permanent magnet, 4, magnetizer B, 5, output shaft, 6, conductor, 7, removable lead
Magnet, 8, executing agency, 7A, removable magnetizer A, 7B, removable magnetizer B.
Specific implementation mode
Embodiment one
A kind of permanent-magnet speed governor of fixed magnetic gap, including conductor rotor as input and its interior permanent magnetism as output
Rotor, conductor rotor include input shaft 1 and along the circumferentially distributed conductor 6 of 1 inner peripheral surface of input shaft；The p-m rotor includes
Output shaft 5 and the pipe magnetic separator being connect with 5 inner end of output shaft, the pipe magnetic separator include at least one permanent magnet 3 of circumferential array,
Permanent magnet 3 is axially arranged the poles N and the poles S along driven shaft and is respectively arranged with magnetizer A 2 on the outside of 3 liang of magnetic poles of permanent magnet and leads
Magnet B 4, pipe magnetic separator are connected to 5 inner end of driven shaft by magnetizer B 4；Removable magnetic conductive cylinder is provided on the inside of pipe magnetic separator,
The removable magnetizer 7 for closing gap between magnetizer A2 and magnetizer B4, institute are circumferentially distributed on removable magnetic conductive cylinder
The removable magnetic conductive cylinder stated is equipped with executing agency 8, and the executing agency 8 axially moves removable magnetic conductive cylinder along driven shaft
It is dynamic, change the gap between magnetizer A 2 and magnetizer B 4 and then changes the magnetic intensity of magnetizer A 2 and magnetizer B 4.
Magnetizer A 2 and magnetizer B 4 on the outside of 3 liang of magnetic poles of the permanent magnet are arranged with 3 equal thickness of permanent magnet, removable
Dynamic 7 inner end of magnetizer can by and the corresponding positions magnetizer B 4 be moved to position corresponding with magnetizer A 2 to by magnetizer
Gap is closed between A 2 and magnetizer B 4.
Embodiment two
A kind of permanent-magnet speed governor of fixed magnetic gap, including conductor rotor as input and its interior permanent magnetism as output
Rotor, conductor rotor include input shaft 1 and along the circumferentially distributed conductor 6 of 1 inner peripheral surface of input shaft；The p-m rotor includes
Output shaft 5 and the pipe magnetic separator being connect with 5 inner end of output shaft, the pipe magnetic separator include at least one permanent magnet 3 of circumferential array,
Permanent magnet 3 is axially arranged the poles N and the poles S along driven shaft and is respectively arranged with magnetizer A 2 on the outside of 3 liang of magnetic poles of permanent magnet and leads
Magnet B 4, pipe magnetic separator are connected to 5 inner end of driven shaft by magnetizer B 4；Removable magnetic conductive cylinder is provided on the inside of pipe magnetic separator,
The removable magnetizer 7 for closing gap between magnetizer A2 and magnetizer B4, institute are circumferentially distributed on removable magnetic conductive cylinder
The removable magnetic conductive cylinder stated is equipped with executing agency 8, and the executing agency 8 axially moves removable magnetic conductive cylinder along driven shaft
It is dynamic, change the gap between magnetizer A 2 and magnetizer B 4 and then changes the magnetic intensity of magnetizer A 2 and magnetizer B 4.
Magnetizer B4 on the outside of 3 magnetic pole of the permanent magnet is arranged with 3 equal thickness of permanent magnet, and the thickness of magnetizer A2 is more than
The thickness and magnetizer A 2 of permanent magnet 3 are stretched out along its thickness direction on the inside of pipe magnetic separator, move 7 inner end of magnetizer can by with
The 4 corresponding positions magnetizer B, which are moved to, to be contacted to seal in gap between magnetizer A 2 and magnetizer B 4 with magnetizer A2
It closes.
Embodiment three
A kind of permanent-magnet speed governor of fixed magnetic gap, including conductor rotor as input and its interior permanent magnetism as output
Rotor, conductor rotor include input shaft 1 and along the circumferentially distributed conductor 6 of 1 inner peripheral surface of input shaft；The p-m rotor includes
Output shaft 5 and the pipe magnetic separator being connect with 5 inner end of output shaft, the pipe magnetic separator include at least one permanent magnet 3 of circumferential array,
Permanent magnet 3 is axially arranged the poles N and the poles S along driven shaft and is respectively arranged with magnetizer A 2 on the outside of 3 liang of magnetic poles of permanent magnet and leads
Magnet B 4, pipe magnetic separator are connected to 5 inner end of driven shaft by magnetizer B 4；Removable magnetic conductive cylinder is provided on the inside of pipe magnetic separator,
The removable magnetizer 7 for closing gap between magnetizer A2 and magnetizer B4, institute are circumferentially distributed on removable magnetic conductive cylinder
The removable magnetic conductive cylinder stated is equipped with executing agency 8, and the executing agency 8 axially moves removable magnetic conductive cylinder along driven shaft
It is dynamic, change the gap between magnetizer A 2 and magnetizer B 4 and then changes the magnetic intensity of magnetizer A 2 and magnetizer B 4.
Magnetizer A 2 and magnetizer B 4 on the outside of 3 liang of magnetic poles of the permanent magnet are arranged with 3 equal thickness of permanent magnet, forever
There are two removable magnetic conductive cylinders for setting on the inside of magnetic cylinder, and it includes circumferentially distributed in two removable magnetic conductions respectively to move magnetizer 7
The removable magnetizer A 7A and removable magnetizer for gap between closing magnetizer A2 and magnetizer B 4 jointly on cylinder
B 7B move the inner end of magnetizer A 7A and removable magnetizer B 7B respectively by corresponding with magnetizer A 2 and magnetizer B4
Position be moved axially inward to two removable magnetizers contacts to will be between magnetizer A 2 and magnetizer B 4 along driven shaft
It closes in gap.
Claims (4)
1. a kind of permanent-magnet speed governor of fixed magnetic gap, it is characterised in that：It is defeated including conductor rotor as input and its interior conduct
The p-m rotor gone out, conductor rotor include input shaft (1) and along the circumferentially distributed conductor (6) of input shaft (1) inner peripheral surface；It is described
P-m rotor include output shaft (5) and the pipe magnetic separator that is connect with output shaft (5) inner end, the pipe magnetic separator includes circumferential array
At least one permanent magnet (3), permanent magnet (3) is along output shaft (5) axially the setting poles N and poles S and in (3) two magnetic pole of permanent magnet
Outside is respectively arranged with magnetizer A (2) and magnetizer B (4), and pipe magnetic separator is connected to output shaft (5) inner end by magnetizer B (4)；
It is provided with removable magnetic conductive cylinder on the inside of pipe magnetic separator, is circumferentially distributed on removable magnetic conductive cylinder for closing magnetizer A (2) and leading
The removable magnetizer (7) in gap between magnet B (4), the removable magnetic conductive cylinder is equipped with executing agency (8), described
Executing agency (8) moves axially removable magnetic conductive cylinder along output shaft (5), changes between magnetizer A (2) and magnetizer B (4)
Gap and then the magnetic intensity for changing magnetizer A (2) and magnetizer B (4).
2. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：(3) two magnetic pole of the permanent magnet
The magnetizer A (2) and magnetizer B (4) and permanent magnet (3) equal thickness for holding outside are arranged, removable magnetizer (7) inner end can by with
The corresponding positions magnetizer B (4) are moved to position corresponding with magnetizer A (2) thus by magnetizer A (2) and magnetizer B (4)
Between gap close.
3. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：Permanent magnet (3) magnetic pole
The magnetizer B (4) in outside is arranged with permanent magnet (3) equal thickness, and the thickness of magnetizer A (2) is more than the thickness of permanent magnet (3) and leads
For magnet A (2) along its thickness direction to stretching on the inside of pipe magnetic separator, moving magnetizer (7) inner end can be by corresponding with magnetizer B (4)
Position be moved to and contacted with magnetizer A (2) to closing gap between magnetizer A (2) and magnetizer B (4).
4. the permanent-magnet speed governor of fixed magnetic gap according to claim 1, it is characterised in that：(3) two magnetic pole of the permanent magnet
The magnetizer A (2) and magnetizer B (4) and permanent magnet (3) equal thickness for holding outside are arranged, and there are two can for setting on the inside of pipe magnetic separator
Mobile magnetic conductive cylinder, removable magnetizer (7) include respectively it is circumferentially distributed on two removable magnetic conductive cylinders for common closing
The removable magnetizer A (7A) in gap and removable magnetizer B (7B) between magnetizer A (2) and magnetizer B (4), it is removable to lead
The inner end of magnet A (7A) and removable magnetizer B (7B) are respectively by position edge corresponding with magnetizer A (2) and magnetizer B (4)
Output shaft (5) is moved axially inward to two removable magnetizer contacts thus by gap between magnetizer A (2) and magnetizer B (4)
Closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747660.1U CN207968295U (en) | 2017-12-14 | 2017-12-14 | A kind of permanent-magnet speed governor of fixed magnetic gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747660.1U CN207968295U (en) | 2017-12-14 | 2017-12-14 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| Publication Number | Publication Date |
|---|---|
| CN207968295U true CN207968295U (en) | 2018-10-12 |
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| CN201721747660.1U Expired - Fee Related CN207968295U (en) | 2017-12-14 | 2017-12-14 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919786A (en) * | 2017-12-14 | 2018-04-17 | 沈阳航磁科技有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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- 2017-12-14 CN CN201721747660.1U patent/CN207968295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919786A (en) * | 2017-12-14 | 2018-04-17 | 沈阳航磁科技有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |