CN204205891U - 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
- CN204205891U CN204205891U CN201420755338.3U CN201420755338U CN204205891U CN 204205891 U CN204205891 U CN 204205891U CN 201420755338 U CN201420755338 U CN 201420755338U CN 204205891 U CN204205891 U CN 204205891U
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- magnet
- magnet rotor
- permanent
- rotor
- permanent magnet
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to a kind of permanent-magnet speed governor of fixing magnetic gap, to comprise in outer magnet rotor and first magnet rotor in magnet rotor and second, outer magnet rotor is evenly distributed with at least two outer permanent magnets along its inner peripheral surface circumference, in a described Inner magnet rotor and second, magnet rotor to be all evenly distributed with at least two first permanent magnet in permanent magnet and second along respective outer circumference surface circumference, and 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.The utility model is owing to have employed fixing magnetic gap structure, substantially increase the area of contact of speed regulator and reduce assembly difficulty, reduce heat to produce, increase speed adjustable range, save rare earth material, achieve the speed-regulating function of input, output speed 0 ~ N%, greatly extend the scope of application of the present utility model and field; 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.
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.In addition conductor rotor rotate time and p-m rotor produce relative motion, permanent magnetic field produces eddy current in conductor rotor, produces amount of heat thereupon, and because conductor rotor and p-m rotor must exist slippage, speed adjustable range is 0 to 98%.
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 rare earth resources, reduce heat generation, increase a kind of fixing magnetic gap of speed adjustable range.
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 the attracting principle of magnet homopolar-repulsion, heteropole, start with from the active force changed between magnet rotor and interior magnet rotor and design new permanent-magnet speed governor, 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 magnet rotor that is connected with driving shaft and through driven shaft concentric pass first in magnet rotor in magnet rotor and second, described outer magnet rotor is evenly distributed with at least two outer permanent magnets along its inner peripheral surface circumference, each outer permanent magnet pole is circumferentially arranged, and the sides adjacent magnetic pole magnetic of adjacent two outer permanent magnets is different; In a described Inner magnet rotor and second, magnet rotor to be all evenly distributed with at least two first permanent magnet in permanent magnet and second along respective outer circumference surface circumference, in each, permanent magnet pole is circumferentially arranged, and on same interior magnet rotor in adjacent two the sides adjacent magnetic pole magnetic of permanent magnet 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, and the interior permanent magnet quantity in two on magnet rotor is identical; 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 permanent magnet magnetic pole of the same name in permanent magnet and second in first, and then changes the active force between outer magnet rotor and a Inner magnet rotor, the 2nd Inner magnet rotor.Concrete adjustment process: rotate magnet rotor in first by magnetic circuit adjuster, when the second permanent magnet is in corresponding position with the magnetic pole of the same name of the first permanent magnet, first iron yoke, the second iron yoke are all magnetized to the kicker magnet of corresponding polarity, external display magnetic is the strongest, the principle attracting according to homopolar-repulsion heteropole with outer magnet rotor produces maximum attraction or repulsive force, thus makes inside and outside magnet rotor in the same way or counter motion realize strength transmission; On the contrary, when the second permanent magnet is in corresponding position with the synonyms pole of the first permanent magnet, 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; Outer permanent magnet does not produce active force to first, second iron yoke, and inside and outside magnet rotor cannot realize strength transmission.
In first, permanent magnet and permanent magnet in second are exactly the process that the intermolecular forces of two interior magnet rotors and outer magnet rotor changes from small to big by the corresponding corresponding process of position of magnetic pole of the same name that turns in synonyms pole position, thus realize the change of transmitting strength, realize speed-regulating function thus.Generally driving shaft connects mair motor, and driven shaft connects load, but both can exchange, and namely driving shaft connects load, and driven shaft connects mair motor.
This kind of mode, relative to the axial distance changing conductor rotor and p-m rotor, reduces the power consumption of magnetic circuit adjuster, reduces heat and produces, improve the transmission capacity of moment of torsion.
Outer permanent magnet quantity on outer magnet rotor is identical with permanent magnet quantity in first on magnet rotor in first.When a Inner magnet rotor, the 2nd Inner magnet rotor are equal with outer magnet rotor permanent magnet quantity, can realize inputting, the speed-regulating function of output speed 0 ~ 100%.
Outer permanent magnet quantity on outer magnet rotor is different from permanent magnet quantity in first on magnet rotor in first, but when in first in first on magnet rotor, permanent magnet is identical with permanent magnet quantity in second on magnet rotor in second, can realize inputting, the speed-regulating function of output speed 0 ~ N% (can raising speed or reduction of speed, moment of torsion changes with N inverse proportion, maximum power is constant).
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, reduces heat and produces, increase speed adjustable range, saved rare earth material, substantially increased torque-transfer capability.Owing to have employed magnetic force transfer principle, so achieve the speed-regulating function of input, output speed 0 ~ N%, greatly extend the scope of application of the present utility model and field; 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 embodiment one front sectional view;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the outer magnet rotor front sectional view of embodiment one;
Fig. 4 is embodiment one magnet rotor schematic diagram in first, second;
Fig. 5 is the front sectional view of embodiment two;
Fig. 6 is the B-B cutaway view of Fig. 5;
Wherein: 1, driving shaft, 2, outer magnet rotor, 3, outer permanent magnet, magnet rotor in 4, first,
5, the first iron yoke, permanent magnet in 6, first, the 7, second iron yoke, permanent magnet in 8, second, magnet rotor in 9, second, 10, driven shaft, 11, adjusting actuator.
Embodiment
embodiment one
A kind of permanent-magnet speed governor of fixing magnetic gap, comprise the outer magnet 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 magnet rotor 2 is evenly distributed with at least two outer permanent magnets 3 along its inner peripheral surface circumference, each outer permanent magnet 3 magnetic pole is circumferentially arranged, and the sides adjacent magnetic pole magnetic of adjacent two outer permanent magnets 3 is different; In a described Inner magnet rotor 4 and second, magnet rotor 9 to be all evenly distributed with at least two first permanent magnet 8 in permanent magnet 6 and second along respective outer circumference surface circumference, in each, permanent magnet pole is circumferentially arranged, and on same interior magnet rotor in adjacent two the sides adjacent magnetic pole magnetic of permanent magnet 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, and the interior permanent magnet quantity in two on magnet rotor is identical; Outer permanent magnet 3 quantity on outer magnet rotor 2 is identical with permanent magnet 6 quantity in first on magnet rotor in first 4.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, and described adjusting actuator 11 can be electric operator, pneumatic actuator or hydraulic actuating mechanism.
embodiment two
A permanent-magnet speed governor for fixing magnetic gap, outer permanent magnet 3 quantity on outer magnet rotor 2 is different from permanent magnet 6 quantity in first on magnet rotor in first 4.Remainder is identical with embodiment one.
Claims (5)
1. the permanent-magnet speed governor of a fixing magnetic gap, it is characterized in that: comprise the outer magnet 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 magnet rotor (2) is evenly distributed with at least two outer permanent magnets (3) along its inner peripheral surface circumference, each outer permanent magnet (3) magnetic pole is circumferentially arranged, and the sides adjacent magnetic pole magnetic of adjacent two outer permanent magnets (3) is different; In a described Inner magnet rotor (4) and second, magnet rotor (9) to be all evenly distributed with at least two first permanent magnet (8) in permanent magnet (6) and second along respective outer circumference surface circumference, in each, permanent magnet pole is circumferentially arranged, and on same interior magnet rotor in adjacent two the sides adjacent magnetic pole magnetic of permanent magnet 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), and the interior permanent magnet quantity in two on magnet rotor is identical; 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: outer permanent magnet (3) quantity on outer magnet rotor (2) is identical with permanent magnet (6) quantity in first on magnet rotor in first (4).
3. the permanent-magnet speed governor of fixing magnetic gap according to claim 1, is characterized in that: outer permanent magnet (3) quantity on outer magnet rotor (2) is different from permanent magnet (6) quantity in first on magnet rotor in first (4).
4. the permanent-magnet speed governor of the fixing magnetic gap according to claim 1 or 2 or 3, is characterized in that: described magnetic circuit adjuster comprises the adjusting actuator (11) for reception control signal.
5. the permanent-magnet speed governor of fixing magnetic gap according to claim 4, 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 |
|---|---|---|---|
| CN201420755338.3U CN204205891U (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 |
|---|---|---|---|
| CN201420755338.3U CN204205891U (en) | 2014-12-05 | 2014-12-05 | A kind of permanent-magnet speed governor of fixing magnetic gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204205891U true CN204205891U (en) | 2015-03-11 |
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ID=52663803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420755338.3U Withdrawn - After Issue CN204205891U (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) | CN204205891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362831A (en) * | 2014-12-05 | 2015-02-18 | 刁俊起 | Permanent magnet speed controller with fixed magnetic gap |
-
2014
- 2014-12-05 CN CN201420755338.3U patent/CN204205891U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362831A (en) * | 2014-12-05 | 2015-02-18 | 刁俊起 | Permanent magnet speed controller with fixed magnetic gap |
| WO2016086517A1 (en) * | 2014-12-05 | 2016-06-09 | 刁俊起 | Permanent magnet speed governor having fixed magnetic gap |
| CN104362831B (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 |