CN204205888U - A kind of permanent-magnet speed governor of fixing magnetic gap - Google Patents
A kind of permanent-magnet speed governor of fixing magnetic gap Download PDFInfo
- Publication number
- CN204205888U CN204205888U CN201420755016.9U CN201420755016U CN204205888U CN 204205888 U CN204205888 U CN 204205888U CN 201420755016 U CN201420755016 U CN 201420755016U CN 204205888 U CN204205888 U CN 204205888U
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- magnet
- rotor
- permanent
- permanent magnet
- magnet rotor
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to a kind of permanent-magnet speed governor of fixing magnetic gap, and to comprise in outer conductor rotor and first magnet rotor in magnet rotor and second, described outer conductor rotor is distributed with conductor along its inner peripheral surface circumference; In a described Inner magnet rotor and second, magnet rotor is evenly distributed with at least one permanent magnet in permanent magnet and second in first along respective outer circumference surface circumference respectively, interior permanent magnet pole on each interior magnet rotor is circumferentially arranged, and on same interior magnet rotor in adjacent two permanent magnet sides adjacent magnetic pole different.The utility model substantially increases the area of contact of speed regulator and reduces assembly difficulty, save rare earth material, substantially increase torque-transfer capability, substantially reduce the power consumption the volume reducing adjustment actuating mechanism to greatest extent that perform governor motion, thus greatly reduce the overall volume of speed regulator, not only reduce material consumption and save installing space, bringing conveniently to in-site installation construction especially.
Description
Technical field
The utility model relates to a kind of permanent-magnet speed governor, is specifically related 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, realize motor to be connected with soft (magnetic) of load, have no effect electrical network harmonic wave produce, reliability is high, and can work under high temperature, low temperature, humidity, dirt, inflammable and explosive, various adverse circumstances such as voltage instability and thunder and lightning, significantly alleviate mechanical oscillation, be widely used in electric power, iron and steel, metallurgy, petrochemical industry, the industries such as papermaking, municipal administration, naval vessel, irrigation and mining.And at present conventional permanent-magnet speed governor all realizes adjustment of rotational speed by adjustment air gap, the power consumption of magnetic circuit adjuster is large, and exist torque-transfer capability difference, assembly difficulty high, waste the shortcomings such as a large amount of rare earth resources.
Summary of the invention
For the problems referred to above, the utility model provides a kind of permanent-magnet speed governor reducing magnetic circuit adjuster power consumption, improve torque-transfer capability, reduce assembly difficulty, save a kind of fixing magnetic gap of rare earth resources.
Current permanent-magnet speed governor be all air gap by changing between conductor rotor and p-m rotor thus control conductor rotor cutting magnetic line number, realize torque adjustment, because this mode exists a lot of drawback, the utility model is based on electromagnetic principle, new permanent-magnet speed governor is designed from keeping magnetic gap quantity that is constant, that change the magnetic line of force to start with, by controlling the magnetic size that p-m rotor externally represents, thus reach the object changing torque.
For solving the problem, the technical scheme that the utility model is taked is: a kind of permanent-magnet speed governor of fixing magnetic gap, comprise the outer conductor rotor that is connected with driving shaft and through driven shaft concentric pass first in magnet rotor in magnet rotor and second, described outer conductor rotor is distributed with conductor along its inner peripheral surface circumference; In a described Inner magnet rotor and second, magnet rotor is evenly distributed with at least one permanent magnet in permanent magnet and second in first along respective outer circumference surface circumference respectively, in first, permanent magnet is identical with permanent magnet quantity in second, interior permanent magnet pole on each interior magnet rotor is circumferentially arranged, and on same interior magnet rotor in adjacent two permanent magnet sides adjacent magnetic pole different, in first, in permanent magnet and second, the magnetic pole end face side of permanent magnet is respectively equipped with the first iron yoke and the second iron yoke; A Inner magnet rotor is provided with the magnetic circuit adjuster that in driving first, magnet rotor rotates relative to the 2nd Inner magnet rotor, for regulating in two the position relationship of permanent magnet magnetic pole of the same name on magnet rotor.
Described magnetic circuit adjuster for regulating the position relationship of the first permanent magnet and the second permanent magnet magnetic pole of the same name, and then changes the magnetic intensity of externally display.Speed regulator principle: conductor rotor rotate time and inner permanent magnetic rotor produce relative motion, permanent magnetic field produces eddy current in conductor rotor, simultaneously eddy current produces again induced field and permanent magnetic field interacts, final drive p-m rotor rotates along the direction identical with conductor rotor, thus the driven shaft that band is automatically connected on p-m rotor rotates and outputting power.And the power exported is directly proportional to the magnetic field intensity (magnetic line of force intensity) of p-m rotor, the magnetic field intensity of p-m rotor is controlled by magnetic circuit adjuster.Therefore can control the rotation of magnet rotor in second by magnetic circuit adjuster in the utility model and change the magnetic that first, second iron yoke externally shows, thus the change of divergence causing outer conductor rotor and driven shaft to produce rotating speed finally realizes the object of speed governing.Concrete adjustment process: being rotated by magnetic circuit adjuster can magnet rotor in first, when in second, permanent magnet is in corresponding position with the magnetic pole of the same name of permanent magnet in first, first iron yoke, the second iron yoke are all magnetized to the kicker magnet of corresponding polarity, and externally display magnetic is the strongest; On the contrary, in second, permanent magnet is with when in first, the synonyms pole of permanent magnet is in corresponding position, and the magnetic line of force passes through smoothly through the first iron yoke, the second iron yoke, internal short-circuit, and the first iron yoke, the second iron yoke externally do not show magnetic; Different according to the anglec of rotation of magnet rotor in second, by the impact that magnetic circuit changes, the magnetic that the first iron yoke, the second iron yoke externally show changes to the strongest (or changing to the most weak from the most by force) from the most weak.This kind of mode, relative to the axial distance changing conductor rotor and p-m rotor, reduces the power consumption of magnetic circuit adjuster, improves the transmission capacity of moment of torsion.
Described magnetic circuit adjuster comprises the adjusting actuator for reception control signal.
Described adjusting actuator can be electric operator, pneumatic actuator or hydraulic actuating mechanism.In use procedure, permanent-magnet speed governor is installed in certain control system, pressure, flow, liquid level or other control signals are controlled system acceptance and process, then adjusting actuator is provided to, controlled the rotation of magnet rotor in first by the actuator of adjusting actuator, change the first iron yoke, size that the second iron yoke externally shows magnetic.
The utility model, owing to have employed fixing magnetic gap structure, substantially increases the area of contact of speed regulator and reduces assembly difficulty, has saved rare earth material, has substantially increased torque-transfer capability.Owing to have employed magnetic circuit adjustment structure, substantially reduce the power consumption the volume reducing adjustment actuating mechanism to greatest extent that perform governor motion, thus greatly reduce the overall volume of speed regulator, not only reduce material consumption and save installing space, bringing conveniently to in-site installation construction especially.
Accompanying drawing explanation
Fig. 1 is outer conductor rotor front sectional view;
Fig. 2 is outer conductor rotor left view;
Fig. 3 is magnet rotor schematic diagram in first, second;
Fig. 4 is the schematic diagram of the utility model assembling;
Wherein: 1, driving shaft, 2, outer conductor rotor, 3, conductor, the 4, the one Inner magnet rotor,
5, the first iron yoke, the 6, first permanent magnet, the 7, second iron yoke, the 8, second permanent magnet, the 9, the 2nd Inner magnet rotor, 10, driven shaft, 11, adjusting actuator.
Embodiment
A permanent-magnet speed governor for fixing magnetic gap, comprise the outer conductor rotor 2 that is connected with driving shaft 1 and through driven shaft 10 concentric pass first in magnet rotor 9 in magnet rotor 4 and second, described outer conductor rotor 2 is distributed with conductor 3 along its inner peripheral surface circumference; In a described Inner magnet rotor 4 and second, magnet rotor 9 is evenly distributed with at least one permanent magnet 8 in permanent magnet 6 and second in first along respective outer circumference surface circumference respectively, in first, permanent magnet 6 is identical with permanent magnet in second 8 quantity, interior permanent magnet pole on each interior magnet rotor is circumferentially arranged, and on same interior magnet rotor in adjacent two permanent magnet sides adjacent magnetic pole different, in first, in permanent magnet 6 and second, the magnetic pole end face side of permanent magnet 8 is respectively equipped with the first iron yoke 5 and the second iron yoke 7; A Inner magnet rotor 4 is provided with the magnetic circuit adjuster that in driving first, magnet rotor 4 rotates relative to the 2nd Inner magnet rotor 9, for regulating in two the position relationship of permanent magnet magnetic pole of the same name on magnet rotor.Described magnetic circuit adjuster comprises the adjusting actuator 11 for reception control signal.Described adjusting actuator 11 can be electric operator, pneumatic actuator or hydraulic actuating mechanism.
Claims (3)
1. the permanent-magnet speed governor of a fixing magnetic gap, it is characterized in that: comprise the outer conductor rotor (2) that is connected with driving shaft (1) and through driven shaft (10) concentric pass first in magnet rotor (9) in magnet rotor (4) and second, described outer conductor rotor (2) is distributed with conductor (3) along its inner peripheral surface circumference; In a described Inner magnet rotor (4) and second, magnet rotor (9) is evenly distributed with at least one permanent magnet (8) in permanent magnet (6) and second in first along respective outer circumference surface circumference respectively, in first, permanent magnet (6) is identical with permanent magnet in second (8) quantity, interior permanent magnet pole on each interior magnet rotor is circumferentially arranged, and on same interior magnet rotor in adjacent two permanent magnet sides adjacent magnetic pole different, in first, in permanent magnet (6) and second, the magnetic pole end face side of permanent magnet (8) is respectively equipped with the first iron yoke (5) and the second iron yoke (7); A Inner magnet rotor (4) is provided with the magnetic circuit adjuster that in driving first, magnet rotor (4) rotates relative to the 2nd Inner magnet rotor (9), for regulating in two the position relationship of permanent magnet magnetic pole of the same name on magnet rotor.
2. the permanent-magnet speed governor of fixing magnetic gap according to claim 1, is characterized in that: described magnetic circuit adjuster comprises the adjusting actuator (11) for reception control signal.
3. the permanent-magnet speed governor of fixing magnetic gap according to claim 2, is characterized 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 |
|---|---|---|---|
| CN201420755016.9U CN204205888U (en) | 2014-12-05 | 2014-12-05 | A kind of permanent-magnet speed governor of fixing magnetic gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755016.9U CN204205888U (en) | 2014-12-05 | 2014-12-05 | A kind of permanent-magnet speed governor of fixing magnetic gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205888U true CN204205888U (en) | 2015-03-11 |
Family
ID=52663800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755016.9U Withdrawn - After Issue CN204205888U (en) | 2014-12-05 | 2014-12-05 | A kind of permanent-magnet speed governor of fixing magnetic gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204205888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086516A1 (en) * | 2014-12-05 | 2016-06-09 | 刁俊起 | Permanent magnet speed governor having fixed magnetic gap |
-
2014
- 2014-12-05 CN CN201420755016.9U patent/CN204205888U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086516A1 (en) * | 2014-12-05 | 2016-06-09 | 刁俊起 | Permanent magnet speed governor having fixed magnetic gap |
| CN104362830B (en) * | 2014-12-05 | 2016-08-31 | 刁俊起 | A kind of permanent-magnet speed governor of fixing 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 |
Granted publication date: 20150311 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |