CN204633569U - A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux - Google Patents
A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux Download PDFInfo
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- CN204633569U CN204633569U CN201520222072.0U CN201520222072U CN204633569U CN 204633569 U CN204633569 U CN 204633569U CN 201520222072 U CN201520222072 U CN 201520222072U CN 204633569 U CN204633569 U CN 204633569U
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- rotor
- permanent
- salient pole
- magnetic
- speed governor
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Abstract
The utility model discloses the permanent-magnet speed governor that a kind of Novel rotary salient pole regulates magnetic flux, comprise driving shaft and driven shaft, driving shaft is fixedly installed tubular conductor rotor, the p-m rotor that one end is fixed on driven shaft is provided with in the chamber that tubular conductor rotor is formed, and there is radial clearance between p-m rotor and tubular conductor rotor, the bottom of the p-m rotor other end be provided with the ratchet sleeve that rotates together with driven shaft and can on ratchet sleeve salient pole magnetic conduction yoke in relative rotation, in p-m rotor, spaced set has multiple tangential permanent magnetic magnet steel.Avoid traditional tubular permanent-magnet speed governor by regulate p-m rotor and tubular conductor rotor axis direction relative position to regulate the live part of p-m rotor and conductor rotor coupling area the larger problem that takes up space, do not need extra axial space, the governor motions such as the cylinder of additional complexity are not needed yet, make the structure of whole speed regulator compacter, reasonable, the transmitting torque under same volume is largely increased.
Description
Technical field
The utility model relates to a kind of driven speed regulating, relates to a kind of speed regulating device utilizing the vortex flow of electromagnetic induction to carry out transmission of torque specifically.
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, the application of permanent magnet speed regulation device is more and more extensively sent out.Permanent magnet speed regulation device can adapt to various adverse circumstances, comprise that voltage ripple of power network is large, harmonic wave is serious, the place such as inflammable and explosive, moist, dust, can the rotating speed of on-line control load, to meet running needs, realize variable speed energy saving, fractional energy savings 10% ~ 65%.
Existing permanent-magnet speed governor mainly contains tubular permanent-magnet speed governor and desk permanent-magnet speed regulator, tubular speed regulator is by regulating tubular p-m rotor and tubular conductor rotor at the relative position of axis direction, to change the live part of p-m rotor and conductor rotor coupling, and then adjustment torque, this is beneficial to the movement carried out between p-m rotor and conductor rotor to axial with regard to the larger axial space needed; And the adjustment of desk permanent-magnet speed regulator by regulating the air gap between dish type p-m rotor and conductor rotor to carry out torque, and then realize the speed governing to load.Also need larger axial space to carry out the adjustment of air gap, regulate during air gap simultaneously and also need the effect overcoming larger permanent magnetic attraction.Application is difficult to like this in the place of some limited space.
Summary of the invention
Technical problem to be solved in the utility model is to provide the permanent-magnet speed governor that a kind of Novel rotary salient pole regulates magnetic flux, avoid traditional tubular permanent-magnet speed governor by regulate p-m rotor and tubular conductor rotor axis direction relative position to regulate the live part of p-m rotor and conductor rotor coupling area the larger problem that takes up space, do not need extra axial space, the governor motions such as the cylinder of additional complexity are not needed yet, make the structure of whole speed regulator compacter, reasonable, the transmitting torque under same volume is largely increased.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux, comprise: tubular conductor rotor and be arranged on the described tubular conductor rotor (p-m rotor of inner circumferential, it is characterized in that, inner ring and the outer ring of described p-m rotor are respectively equipped with the salient pole magnetic conduction yoke and several tangential permanent magnetic magnet steel that can relatively rotate, described salient pole magnetic conduction yoke peripheral ring around be placed with several salient-pole portion, described tangential permanent magnetic magnet steel and described salient-pole portion are corresponding to being arranged on described p-m rotor one by one.
A preferred embodiment of the present utility model, described tubular conductor rotor connects driving shaft, and described p-m rotor connects driven shaft, and described driving shaft and described driven shaft are coaxially arranged.
A preferred embodiment of the present utility model, described driven shaft is arranged with ratchet sleeve, described ratchet sleeve and driven shaft link together by key, and salient pole magnetic conduction yoke is driven by ratchet sleeve and rotates together with driven shaft, and described salient pole magnetic conduction yoke relatively can rotate on ratchet sleeve.
, between described p-m rotor and tubular conductor rotor, there is radial clearance in a preferred embodiment of the present utility model.
A preferred embodiment of the present utility model, the inner surface of described tubular conductor rotor is provided with copper conductor layer.
A preferred embodiment of the present utility model, described each tangential permanent magnetic magnet steel is provided with tangential permanent magnet body groove on one end end face of described salient pole magnetic conduction yoke.
A preferred embodiment of the present utility model, described tangential permanent magnetic magnet steel is fixedly installed in described tangential permanent magnet body groove.
A preferred embodiment of the present utility model, described tubular conductor rotor is fixed by a pin on described driving shaft.
A preferred embodiment of the present utility model, tangential permanent magnetic magnet steel described in several is equidistantly around being distributed in described tubular conductor rotor, and salient-pole portion described in several is equidistantly around being distributed in described salient pole magnetic conduction yoke.
The beneficial effects of the utility model are: by rotating salient pole magnetic conduction yoke, regulate the effective magnetic field intensity of air gap, and then realize the adjustment of the torque and rotational speed that permanent-magnet speed governor transmits, the required more traditional tubular permanent-magnet speed governor of axial space reduces greatly, and, only need to rotate the adjustment that salient pole magnetic conduction yoke just can carry out air-gap flux, and required active force is very little, does not need the adjustment carrying out magnetic flux as traditional permanent-magnet speed governor by mobile whole p-m rotor.Solve traditional tubular permanent-magnet speed governor axial space to take comparatively greatly and the problem of governor motion complexity.Structure is simpler, compact, and magnetic flux is easy to regulate more.Under the size keeping same external form, can higher moment of torsion be transmitted, can realize repeatably, adjustable, controllable output torque and rotating speed, realize the object of variable speed energy saving.
Accompanying drawing explanation
Fig. 1 is the axial section of the utility model permanent-magnet speed governor;
Fig. 2 is the p-m rotor of the utility model permanent-magnet speed governor radial section figure when adjusting to leakage flux minimum position;
Fig. 3 is the structural representation of the utility model p-m rotor when adjusting to leakage flux minimum position;
Fig. 4 is the structural representation of the utility model p-m rotor when adjusting to leakage flux maximum position.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux, comprise driving shaft 1-1 and driven shaft 1-2, described driving shaft 1-1 is fixedly installed tubular conductor rotor 3, the p-m rotor 5 that one end is fixed on described driven shaft 1-2 is provided with in the chamber that described tubular conductor rotor 3 is formed, and there is radial clearance between described p-m rotor 5 and tubular conductor rotor 3, the bottom of described p-m rotor 5 other end be provided with the ratchet sleeve 8 that rotates together with driven shaft 1-2 and can on ratchet sleeve salient pole magnetic conduction yoke 7 in relative rotation, in described p-m rotor 5, spaced set has multiple tangential permanent magnetic magnet steel 6, tangential permanent magnetic magnet steel is adopted to have poly-magnetic effect, by regulating the relative position of salient pole magnetic conduction yoke 7 and p-m rotor 5, rotate to an angle even if also salient pole magnetic conduction yoke 7 is relative with ratchet sleeve 8, just the effective magnetic field intensity of adjustable supply air gap, realize the adjustment of torque and speed.
As shown in Figure 2, when the salient-pole portion 10 of salient pole magnetic conduction yoke 7 is just in time positioned at the bottom of permanent magnetic steel 6 of p-m rotor iron core 5, now, leakage flux via salient pole magnetic conduction yoke 7 is very little, most permanent magnet flux all arrives conductor rotor iron core 3 by air gap, magnetic flux now moves towards as shown in Figure 3, the torque maximum of transmission.
Magnetic circuit and move towards schematic diagram when Fig. 4 is the permanent-magnet speed governor leakage flux maximum position of the utility model embodiment, namely when rotating salient pole magnetic conduction yoke 7, due to the existence of salient pole, the leakage flux of p-m rotor iron core 5 is increased to some extent, and then reduce air gap useful flux, when rotating salient pole magnetic conduction yoke 7 and making its salient pole just in time be positioned at the magnetic pole central authorities of p-m rotor iron core 5, because the air gap between salient pole and p-m rotor iron core 5 is less than the air gap between p-m rotor iron core 5 and conductor rotor 3, according to magnetic resistance minimum principle, most permanent magnet flux all closes through salient pole magnetic conduction yoke 7, the useful flux of supply air gap is minimum, the torque of now transmitting is almost nil.
The inner surface of tubular conductor rotor 3 is provided with copper conductor layer 4.When driven by motor driving shaft 1-1 rotates, the copper conductor layer 4 in conductor rotor 3 cuts the magnetic line of force of permanent magnetic steel 6 in p-m rotor iron core 5, and copper conductor layer produces vortex flow, and then forms induced field.This induced field and permanent magnetic field interact and produce bonding force, carry out the transmission of torque.Certainly with aluminium also can, but the conductivity of copper is better than aluminium, majority copper.
Each tangential permanent magnetic magnet steel 6 is all positioned at the built-in tangential permanent magnet body groove 9 of p-m rotor.Tangential permanent magnet body groove 9 is provided with on one end end face of salient pole magnetic conduction yoke 7.The effect of permanent magnet trough 9: one is used to fixing permanent magnetic steel 6, two is used to arrange every magnetic bridge, namely limit magnetic flux and carry out leakage field through top or bottom every magnetic bridge, on the basis ensureing p-m rotor iron core 5 mechanical strength, the size every magnetic bridge is the smaller the better.
Tubular conductor rotor 3 is fixed on driving shaft 1-1 by pin 2.
Inner ring and the outer ring of p-m rotor 5 are respectively equipped with the salient pole magnetic conduction yoke 7 and several tangential permanent magnetic magnet steel 6 that can relatively rotate, salient pole magnetic conduction yoke 7 peripheral ring around be placed with several salient-pole portion 10, tangential permanent magnetic magnet steel 6 and salient-pole portion 10 are corresponding to being arranged on p-m rotor 5 one by one.
Tubular conductor rotor 3 connects driving shaft 1-1, and p-m rotor 5 connects driven shaft 1-2, and driving shaft 1-1 and driven shaft 1-2 is coaxially arranged.
Driven shaft 1-2 is arranged with ratchet sleeve 8, ratchet sleeve 8 and driven shaft 1-2 link together by key, and salient pole magnetic conduction yoke 7 is driven by ratchet sleeve 8 and rotates together with driven shaft 1-2, and salient pole magnetic conduction yoke 7 relatively can rotate on ratchet sleeve 8.When permanent-magnet speed governor normally works running, driven shaft 1-2 and salient pole magnetic conduction yoke 7 are locked together by ratchet sleeve 8, now between salient-pole portion 10 and tangential permanent magnetic magnet steel 6, relative rotation can not occur; When needs adjustment torque, reversion external force need be subject to and can rotate freely, now can relatively rotate between salient-pole portion 10 and tangential permanent magnetic magnet steel 6, to adjust the size of leakage flux, and then adjustment torque.
Radial clearance is there is between p-m rotor 5 and tubular conductor rotor 3.
The inner surface of tubular conductor rotor 3 is provided with copper conductor layer 4.
Each tangential permanent magnetic magnet steel 6 is provided with tangential permanent magnet body groove 9 on one end end face of salient pole magnetic conduction yoke 7.
Tangential permanent magnetic magnet steel 6 is fixedly installed in tangential permanent magnet body groove 9.
Tubular conductor rotor 3 is fixed on driving shaft 1-1 by pin 2.
Tangential permanent magnetic magnet steel 6 described in several is equidistantly around being distributed in described tubular conductor rotor 3, and salient-pole portion 10 described in several is equidistantly around being distributed in described salient pole magnetic conduction yoke 7.
In sum, the utility model provides the permanent-magnet speed governor that a kind of Novel rotary salient pole regulates magnetic flux, avoid traditional tubular permanent-magnet speed governor by regulate p-m rotor and tubular conductor rotor axis direction relative position to regulate the live part of p-m rotor and conductor rotor coupling area the larger problem that takes up space, do not need extra axial space, the governor motions such as the cylinder of additional complexity are not needed yet, make the structure of whole speed regulator compacter, reasonable, the transmitting torque under same volume is largely increased.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (9)
1. the permanent-magnet speed governor of a Novel rotary salient pole adjustment magnetic flux, comprise: tubular conductor rotor (3) and be arranged on the p-m rotor (5) of described tubular conductor rotor (3) inner circumferential, it is characterized in that, inner ring and the outer ring of described p-m rotor (5) are respectively equipped with the salient pole magnetic conduction yoke (7) and several tangential permanent magnetic magnet steel (6) that can relatively rotate, described salient pole magnetic conduction yoke (7) peripheral ring around be placed with several salient-pole portion (10), described tangential permanent magnetic magnet steel (6) and described salient-pole portion (10) are corresponding to being arranged on described p-m rotor (5) one by one.
2. Novel rotary salient pole according to claim 1 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: described tubular conductor rotor (3) connects driving shaft (1-1), described p-m rotor (5) connects driven shaft (1-2), and described driving shaft (1-1) and described driven shaft (1-2) are coaxially arranged.
3. Novel rotary salient pole according to claim 2 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: described driven shaft (1-2) is arranged with ratchet sleeve (8), described ratchet sleeve (8) and driven shaft (1-2) link together by key, salient pole magnetic conduction yoke (7) is driven by ratchet sleeve (8) and rotates together with driven shaft (1-2), and described salient pole magnetic conduction yoke (7) can in the upper rotation relatively of ratchet sleeve (8).
4. Novel rotary salient pole according to claim 1 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: there is radial clearance between described p-m rotor (5) and tubular conductor rotor (3).
5. Novel rotary salient pole according to claim 1 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: the inner surface of described tubular conductor rotor (3) is provided with copper conductor layer (4).
6. Novel rotary salient pole according to claim 1 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: described each tangential permanent magnetic magnet steel (6) is provided with tangential permanent magnet body groove (9) on one end end face of described salient pole magnetic conduction yoke (7).
7. Novel rotary salient pole according to claim 6 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: described tangential permanent magnetic magnet steel (6) is fixedly installed in described tangential permanent magnet body groove (9).
8. Novel rotary salient pole according to claim 2 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: described tubular conductor rotor (3) is fixed on described driving shaft (1-1) by pin (2).
9. Novel rotary salient pole according to claim 1 regulates the permanent-magnet speed governor of magnetic flux, it is characterized in that: tangential permanent magnetic magnet steel (6) described in several is equidistantly around being distributed on described tubular conductor rotor (3), and salient-pole portion described in several (10) is equidistantly around being distributed on described salient pole magnetic conduction yoke (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222072.0U CN204633569U (en) | 2015-04-14 | 2015-04-14 | A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520222072.0U CN204633569U (en) | 2015-04-14 | 2015-04-14 | A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204633569U true CN204633569U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520222072.0U Withdrawn - After Issue CN204633569U (en) | 2015-04-14 | 2015-04-14 | A kind of Novel rotary salient pole regulates the permanent-magnet speed governor of magnetic flux |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204633569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883030A (en) * | 2015-04-14 | 2015-09-02 | 苏州威莫磁力传动技术有限公司 | Novel permanent magnet speed regulator using rotary salient pole to adjust magnetic flux |
| CN113659801A (en) * | 2021-10-19 | 2021-11-16 | 北京巴什卡科技有限公司 | Eddy current permanent magnet coupler installed at short shaft end distance |
-
2015
- 2015-04-14 CN CN201520222072.0U patent/CN204633569U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883030A (en) * | 2015-04-14 | 2015-09-02 | 苏州威莫磁力传动技术有限公司 | Novel permanent magnet speed regulator using rotary salient pole to adjust magnetic flux |
| CN104883030B (en) * | 2015-04-14 | 2017-04-19 | 苏州威莫磁力传动技术有限公司 | Novel permanent magnet speed regulator using rotary salient pole to adjust magnetic flux |
| CN113659801A (en) * | 2021-10-19 | 2021-11-16 | 北京巴什卡科技有限公司 | Eddy current permanent magnet coupler installed at short shaft end distance |
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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: 20150909 Effective date of abandoning: 20170419 |