CN205945482U - Fixed -magnetic gap permanent magnet speed regulator - Google Patents
Fixed -magnetic gap permanent magnet speed regulator Download PDFInfo
- Publication number
- CN205945482U CN205945482U CN201520931082.1U CN201520931082U CN205945482U CN 205945482 U CN205945482 U CN 205945482U CN 201520931082 U CN201520931082 U CN 201520931082U CN 205945482 U CN205945482 U CN 205945482U
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- magnet
- magnet rotor
- permanent
- rotor
- permanent magnet
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- Withdrawn - After Issue
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to a fixed -magnetic gap permanent magnet speed regulator, including the driving shaft pass with one heart first in magnet rotor and the second magnet rotor and the outer magnet rotor frame is connected with the driven shaft, outer magnet rotor puts up upward the warp beam and holds and install outer magnet rotor, first in magnet rotor and the second magnet rotor all along respective outside periphery circumference evenly distributed have two at least in first permanent magnets and the interior permanent magnets of second, be equipped with on the magnet rotor in first and drive in first magnet rotor pivoted magnetic circuit regulation executor in the relative second of magnet rotor. The utility model discloses owing to adopted fixed magnet gap structure, improve the area of contact of speed regulator greatly and reduced the assembly degree of difficulty, reduce the heat and produce, rare geomaterials has been practiced thrift to increase speed governing scope, has improved the moment of torsion transmission capacity greatly. Since adopted bearing arrangement avoid the driven shaft along two directions make a round trip to vibrate and lead to can not be normal edge direction rotating band dynamic load.
Description
Technical field
The utility model is related to a kind of permanent-magnet speed governor and in particular to a kind of permanent-magnet speed governor of fixing magnetic gap.
Background technology
Permanent-magnet speed governor is the magnetic couple speed governing by permanent magnet, realizes motor and soft (magnetic) of load connects, no
The harmonic wave of any impact electrical network 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, iron and steel, metallurgy, petrochemical industry, papermaking,
The industries such as municipal administration, naval vessel, irrigation and mining.And the permanent-magnet speed governor commonly used at present is all to realize rotating speed tune 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, a large amount of rare earth resources of waste
The shortcomings of.In addition produce relative motion with p-m rotor when conductor rotor rotates, permanent magnetic field produces vortex in conductor rotor, with
Generation amount of heat, because conductor rotor and p-m rotor there must be slippage, speed adjustable range is 0 to 98%.On solving
State problem, patent CN201520071349 proposes a kind of permanent-magnet speed governor of fixing magnetic gap, but due to magnet rotor and the in first
When in two, magnet rotor rotates, the corresponding pole polarity between the first permanent magnet and the second permanent magnet is between identical, different
Constantly switch, therefore lead to driven shaft to shake back and forth along both direction it is impossible to normal rotational band dynamic load in one direction.
Content of the invention
For the problems referred to above, the utility model provides one kind can reduce magnetic circuit adjuster power consumption, improve moment of torsion transmission
Ability, reduce assembly difficulty, save rare earth resources, reduce heat and produce and can smooth a kind of fixing magnetic gap with dynamic load
Permanent-magnet speed governor.
Current permanent-magnet speed governor is all by changing the air gap between conductor rotor and p-m rotor thus controlling conductor
Rotor cutting magnetic line number, to realize torque adjustment, because this mode has a lot of drawbacks, the utility model is based on
The attracting principle of magnet homopolar-repulsion, heteropole, starts with design newly from changing the active force between magnet rotor and interior magnet rotor
Permanent-magnet speed governor, thus reach change torque purpose.
For solving the above problems, the technical scheme that the utility model is taken is：A kind of permanent-magnet speed governor of fixing magnetic gap, bag
Magnet rotor and the outer magnet rotor frame being connected with driven shaft in magnet rotor and second in include that driving shaft passes through with one heart first, outer magnetic
Through bearing, outer magnet rotor is installed on rotor rack；Described outer magnet rotor is evenly distributed with least two along its inner peripheral surface circumference
Outer permanent magnet, in magnet rotor and second in described first, magnet rotor is all evenly distributed with least along respective outer circumference surface circumference
Permanent magnet in permanent magnet and second in two first, the interior permanent magnet quantity on magnet rotor in two is identical；Magnet rotor in first
It is provided with and drives the magnetic circuit adjusting actuator that in first, magnet rotor magnet rotor in second rotates, for adjusting magnet rotor in two
The position relationship of permanent magnet magnetic pole of the same name in upper.
Generally driving shaft connects mair motor, and driven shaft connects load, but both can exchange, and that is, driven shaft connects
Mair motor, driving shaft connects load.
Preferably, in each, permanent magnet pole is circumferentially arranged, adjacent two on same interior magnet rotor in permanent magnet adjacent
Side magnetic pole magnetic is identical, and in permanent magnet and second in first, the magnetic pole surface side of permanent magnet is respectively equipped with the first iron yoke and the second iron
Yoke.
Concrete regulation process：By magnet rotor in magnetic circuit adjusting actuator rotation first, permanent magnet and first in second
When the magnetic pole of the same name of interior permanent magnet is in corresponding position, the first iron yoke, the second iron yoke are all magnetized to corresponding polarity
Kicker magnet, externally display magnetic is the strongest, produces maximum attraction with outer magnet rotor according to the attracting principle of homopolar-repulsion heteropole
Or repulsive force so that inside and outside magnet rotor in the same direction or counter motion and realize strength transmission；On the contrary, when the second permanent magnet and
When the synonyms pole of one permanent magnet is in corresponding position, suction that outer permanent magnet produces to first, second iron yoke, scolds and make power phase
Strength transmission cannot be realized Deng, inside and outside magnet rotor.
In permanent magnet and second in first, permanent magnet turns to position of magnetic pole of the same name relatively by synonyms pole position is corresponding
The process that the process answered is exactly two interior magnet rotors is changed from small to big with the intermolecular forces of outer magnet rotor, thus realize transmitting strength
Change, be achieved in speed-regulating function.
Preferably, in each, permanent magnet pole is disposed radially, adjacent two on same interior magnet rotor in permanent magnet adjacent
Side magnetic pole magnetic is different.
Concrete regulation process：By magnetic circuit adjusting actuator rotation first in magnet rotor, when the second permanent magnet and first forever
When the magnetic pole of the same name of magnet is in corresponding position, with outer magnet rotor, maximum is produced according to the attracting principle of homopolar-repulsion heteropole
Attraction or repulsive force so that inside and outside magnet rotor in the same direction or counter motion and realize strength transmission；On the contrary, when second forever
When magnet is in corresponding position with the synonyms pole of the first permanent magnet, outer permanent magnet is to the second permanent magnet and the first permanent magnet
Suction, scold that to make power equal, inside and outside magnet rotor cannot realize strength transmission.In outer permanent magnet quantity and first on outer magnet rotor
In on magnet rotor first, permanent magnet quantity is identical.When inside and outside permanent magnet quantity is identical, can achieve input, output speed 0
100% adjustment.
For preventing under in driven shaft permanent magnet and second in first, permanent magnet is turned to by synonyms pole position is corresponding
Shake during one group of synonyms pole position is corresponding, outer magnet rotor is installed on outer magnetic by the bearing that two ends are assembled
Rotor rack, described bearing can be unilateral bearing or two-way bearing.Unilateral bearing is in one direction can be freely rotatable, and
Locked a kind of bearing in the other directions.Unilateral bearing is also freewheel clutch, in the metal shell of unilateral bearing, comprises
Much individual roller bearing, needle roller or balls, and it rolls the shape of seat (cave) and so that it can only be rolled to a direction, and at another
Very big resistance (so-called " unidirectional ") can be produced on direction, thus ensureing that outer magnet rotor drives driven shaft to rotate in one direction.
Described adjusting actuator can be electric operator, pneumatic actuator or hydraulic actuating mechanism.Using process
In, permanent-magnet speed governor is installed in certain control system, pressure, flow, liquid level etc. are received and processed, Ran Houti by control system
It is supplied to adjusting actuator, by the rotation of magnet rotor in the actuating mechanism controls first of adjusting actuator, inside and outside change between magnet rotor
Active force.
The utility model, due to employing fixing magnetic gap structure, substantially increases the area of contact of speed regulator and reduces dress
Join difficulty, reduce heat and produce, increase speed adjustable range, saved rare earth material, substantially increased torque-transfer capability.Due to adopting
With magnetic circuit adjustment structure, substantially reduce the power consumption of execution governor motion and reduce regulation execution machine to greatest extent
The volume of structure, thus greatly reducing the overall volume of speed regulator, not only reducing material consumption and saving installing space, more
It is to bring conveniently to in-site installation construction.Driven shaft is avoided to shake back and forth along both direction further, since employing bearing arrangement
Swing and lead to can not normally rotational band dynamic load in one direction.
Brief description
Fig. 1 is the sectional arrangement drawing of embodiment one；
Fig. 2 is the F-F sectional view of Fig. 1；
Fig. 3 is the outer magnet rotor body sectional view of embodiment one；
Fig. 4 is the E-E sectional view of Fig. 3；
Fig. 5 is magnet rotor body sectional view in embodiment one；
Fig. 6 is the D-D sectional view of Fig. 5；
Fig. 7 is the sectional arrangement drawing of embodiment two；
Fig. 8 is the A-A sectional view of Fig. 7；
Wherein：1st, driving shaft, 2, outer magnet rotor, 3, outer permanent magnet, magnet rotor in 4, first, the 5, first iron yoke, 6, first
Interior permanent magnet, the 7, second iron yoke, permanent magnet in 8, second, magnet rotor in 9, second, 10, driven shaft, 11, adjusting actuator, 12,
Outer magnet rotor frame, 13, bearing.
Specific embodiment
Embodiment one
A kind of permanent-magnet speed governor of fixing magnetic gap, including driving shaft 1 pass through with one heart first in magnetic in magnet rotor 4 and second
Rotor 9 and the outer magnet rotor frame 12 being connected with driven shaft 10, outer magnet rotor 2, the bearing 13 that outer magnet rotor 2 is assembled by two ends
It is installed on outer magnet rotor frame 12, described bearing 13 can be unilateral bearing or two-way bearing.Described outer magnet rotor 2 is along its inner circle
Side face circumference is evenly distributed with least two outer permanent magnets 3, and in the first described magnet rotor 4 and second, the equal edge of magnet rotor 9 is each
From outer circumference surface circumference be evenly distributed with permanent magnet 8 in permanent magnet 6 and second at least two first, permanent magnet magnetic in each
Extremely circumferentially arranged, adjacent two on same interior magnet rotor in permanent magnet sides adjacent magnetic pole magnetic identical, permanent magnet 6 He in first
In second, the magnetic pole surface side of permanent magnet 8 is respectively equipped with the first iron yoke 5 and the second iron yoke 7, the interior permanent magnet on magnet rotor in two
Quantity is all identical with outer permanent magnet 3 quantity on outer magnet rotor 2.Magnet rotor in driving first is provided with the first magnet rotor 4
The 4 magnetic circuit adjusting actuators 11 rotating relative to the second magnet rotor 9, for permanent magnet interior on magnet rotor in regulation two magnetic pole of the same name
Position relationship.Described adjusting actuator 11 can be electric operator, pneumatic actuator or hydraulic actuating mechanism.
Embodiment two
A kind of permanent-magnet speed governor of fixing magnetic gap, in each, permanent magnet pole is disposed radially, phase on same interior magnet rotor
In adjacent two, the sides adjacent magnetic pole magnetic of permanent magnet is different.Remainder is identical with embodiment one.
Claims (6)
1. a kind of permanent-magnet speed governor of fixing magnetic gap it is characterised in that：Including driving shaft (1) pass through with one heart first in magnet rotor
(4) magnet rotor (9) and the outer magnet rotor frame (12) being connected with driven shaft (10) in and the second, the upper warp beam of outer magnet rotor frame (12)
Hold and outer magnet rotor (2) is installed；Described outer magnet rotor (2) is evenly distributed with least two outer permanent magnetism along its inner peripheral surface circumference
Body (3), in magnet rotor (4) and second in described first, magnet rotor (9) is all evenly distributed with along respective outer circumference surface circumference
Permanent magnet (8) in permanent magnet (6) and second at least two first, the interior permanent magnet quantity on magnet rotor in two is identical；?
In one, magnet rotor (4) is provided with magnet rotor (4) the magnetic circuit adjusting actuator that magnet rotor (9) rotates in second in driving first
(11), for the position relationship of permanent magnet interior on magnet rotor in regulation two magnetic pole of the same name.
2. fixing magnetic gap according to claim 1 permanent-magnet speed governor it is characterised in that：In each, permanent magnet pole is along week
To setting, adjacent two on same interior magnet rotor in permanent magnet sides adjacent magnetic pole magnetic identical, permanent magnet (6) and second in first
The magnetic pole surface side of interior permanent magnet (8) is respectively equipped with the first iron yoke (5) and the second iron yoke (7).
3. fixing magnetic gap according to claim 1 permanent-magnet speed governor it is characterised in that：In each, permanent magnet pole is along footpath
To setting, adjacent two on same interior magnet rotor in permanent magnet sides adjacent magnetic pole magnetic different.
4. the fixing magnetic gap according to Claims 2 or 3 permanent-magnet speed governor it is characterised in that：Outer on outer magnet rotor (2)
Permanent magnet (3) quantity is identical with permanent magnet (6) quantity in first on magnet rotor in first (4).
5. the fixing magnetic gap according to Claims 2 or 3 permanent-magnet speed governor it is characterised in that：Outer magnet rotor (2) is passed through
The bearing (13) of two ends assembling is installed on outer magnet rotor frame (12), and described bearing (13) can be unilateral bearing or two-way bearing.
6. the fixing magnetic gap according to Claims 2 or 3 permanent-magnet speed governor it is characterised in that：Described adjusting actuator
(11) can be electric operator, pneumatic actuator or hydraulic actuating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931082.1U CN205945482U (en) | 2015-11-19 | 2015-11-19 | Fixed -magnetic gap permanent magnet speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931082.1U CN205945482U (en) | 2015-11-19 | 2015-11-19 | Fixed -magnetic gap permanent magnet speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205945482U true CN205945482U (en) | 2017-02-08 |
Family
ID=57933610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520931082.1U Withdrawn - After Issue CN205945482U (en) | 2015-11-19 | 2015-11-19 | Fixed -magnetic gap permanent magnet speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205945482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245084A (en) * | 2015-11-19 | 2016-01-13 | 刁俊起 | Permanent magnet speed adjuster with fixed magnetic gap |
-
2015
- 2015-11-19 CN CN201520931082.1U patent/CN205945482U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245084A (en) * | 2015-11-19 | 2016-01-13 | 刁俊起 | Permanent magnet speed adjuster with fixed magnetic gap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180817 |