CN204030768U - The p-m rotor of wind-driven generator - Google Patents
The p-m rotor of wind-driven generator Download PDFInfo
- Publication number
- CN204030768U CN204030768U CN201420487318.2U CN201420487318U CN204030768U CN 204030768 U CN204030768 U CN 204030768U CN 201420487318 U CN201420487318 U CN 201420487318U CN 204030768 U CN204030768 U CN 204030768U
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- groove
- draw
- permanent magnet
- rotor
- wind
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Abstract
The utility model discloses a kind of p-m rotor of wind-driven generator, its technical scheme main points are to comprise permanent magnet, yoke and bracing frame, described yoke is fixed on support frame as described above, support frame as described above is along the circumferential direction evenly distributed with some draw-in grooves, described each draw-in groove all axially runs through setting along bracing frame, in described draw-in groove, be respectively provided with a permanent magnet, described permanent magnet and described draw-in groove clamping, described permanent magnet one end is placed in formation limiting section in draw-in groove, the other end extends outside draw-in groove, the both sides of support frame as described above are provided with insulation barrier, between described insulation barrier and support frame as described above, be connected with demountable structure, described insulation barrier is connected with bracing frame by demountable structure.
Description
Technical field
The utility model relates to a kind of wind power plant field, and more particularly, it relates to a kind ofly can prevent that permanent magnet from departing from the p-m rotor of wind-driven generator of bracing frame.
Background technology
Wind energy belongs to regenerative resource, clean energy resource, and in the current energy epoch, wind energy obtains more and more higher attention, is the strategic choice of countries in the world.Wind power generation is the main important form of utilizing of wind energy.Wind power technology equipment is the important component part of Wind Power Generation Industry, is also basis and the guarantee of Wind Power Generation Industry development.Traditional coal electricity has serious pollution, although and there is the risk of nuclear leakage in nuclear power high efficiency, once reveal, consequence is hardly imaginable.As the wind-force of new forms of energy, generate electricity and worldwide obtained development rapidly, particularly recent years with it.
In permanent magnet in rotatable wind-driven generator be to be bonded on the periphery of rotor by bonding agent, bonding agent aging, when generator works long hours, the inner eddy current producing can make rotor heating, for a long time heat can make permanent magnet and bracing frame insecure, the centrifugal force that bracing frame High Rotation Speed produces easily allows permanent magnet and bracing frame that displacement occurs even the possibility of disengaging, this has just shortened the useful life of rotor, and then can affect working long hours of generator, seriously reduce the use of generator, the possibility that generator is scrapped has even occurred.
In addition, some both ends of the surface at permanent magnet increases baffle plate, and by screw, baffle plate and rotor field spider is fixed, and to realize the axial displacement of restriction permanent magnet, the time is permanent, and screw gets rusty unavoidably, goes wrong while needing repairing at rotor, is difficult to baffle plate to separate.
Utility model content
Main purpose of the present utility model is to provide a kind of can prevent that permanent magnet from departing from the p-m rotor of the wind-driven generator of bracing frame.
Secondary objective of the present utility model is to facilitate the dismounting of rotor and the heat dispersion of raising generator that can be to a certain degree.
For achieving the above object, the utility model adopts following technical scheme: a kind of p-m rotor of wind-driven generator, comprise permanent magnet, yoke and bracing frame, described yoke is fixed on support frame as described above, support frame as described above is along the circumferential direction evenly distributed with some draw-in grooves, described each draw-in groove all axially runs through setting along bracing frame, in described draw-in groove, be respectively provided with a permanent magnet, described permanent magnet and described draw-in groove clamping, described permanent magnet one end is placed in formation limiting section in draw-in groove, the other end extends outside draw-in groove, the both sides of support frame as described above are provided with insulation barrier, between described insulation barrier and support frame as described above, be connected with demountable structure, described insulation barrier is connected with bracing frame by demountable structure.
As preferably, described insulation barrier is provided with buckle near the end face of bracing frame, support frame as described above is provided with resettlement groove, the side of support frame as described above is provided with the through hole communicating with described resettlement groove, in described through hole, be provided with the button of base band projection, described buckle, resettlement groove, through hole and button form described demountable structure.
As preferably, described insulation barrier is provided with some air-vents.
As preferably, described draw-in groove is provided with skid resistant course near a side of bracing frame.
As preferably, described permanent magnet is I shape, and described draw-in groove is the T shape of matching with one end of described permanent magnet, and described I shape permanent magnet and described T shape draw-in groove form described limiting section.
As preferably, described permanent magnet is wedge shape, and described draw-in groove is the wedge shape of falling matching with permanent magnet, and described wedge shape permanent magnet and the described draw-in groove of falling wedge shape form described limiting section.
The relative prior art of the utility model is compared to be had: in the time that generator is worked, rotor high-speed rotation, but establish by the mutual card between draw-in groove and permanent magnet, permanent magnet cannot be departed from away from draw-in groove, thereby can reach the effect that a weaving permanent magnet departs from bracing frame, and by demountable structure, in the time that rotor needs repairing, can carry out easily detachable maintaining, preferably avoid screw to be difficult to the situation of dismounting because getting rusty.
Brief description of the drawings
Fig. 1 is the end view of the p-m rotor embodiment mono-of the utility model wind-driven generator;
Fig. 2 is the front view of insulation barrier;
Fig. 3 is the demountable structure A-A generalized section of Fig. 2;
Fig. 4 is the structural representation of the p-m rotor embodiment mono-of the utility model wind-driven generator;
The B portion enlarged drawing that Fig. 5 is Fig. 4;
Fig. 6 is the structural representation of the p-m rotor embodiment bis-of the utility model wind-driven generator;
Fig. 7 is the C portion enlarged drawing of Fig. 6.
In figure: 1, permanent magnet; 2, yoke; 3, bracing frame; 31, resettlement groove; 32, through hole; 4, draw-in groove; 41, T font draw-in groove; 42, wedge shape draw-in groove; 5, insulation barrier; 51, buckle; 52, air-vent; 6, limiting section; 7, button; 71, projection; 8, texture bar.
Embodiment
Referring to figs. 1 through Fig. 7, the utility model rotor embodiment is described further.
Embodiment 1: a kind of p-m rotor of wind-driven generator is made up of permanent magnet 1, yoke 2 and bracing frame 3, yoke 2 be enclosed within on bracing frame 3 peripheries and and bracing frame 3 be fixed together, bracing frame 3 axially offer several T-shaped draw-in grooves 41, T-shaped draw-in groove 41 is uniformly distributed, 41 li of each T-shaped draw-in grooves are provided with a permanent magnet 1, the shape of permanent magnet 1 is I shape, the two T word position is to match, form a limiting section 6, permanent magnet 1 and T-shaped draw-in groove 41 just can block (as Fig. 5) mutually like this.Like this, in the time that generator is worked, rotor high-speed rotation, even if produce centrifugal force, but permanent magnet 1 blocked by T-shaped draw-in groove 41, permanent magnet 1 also just cannot depart from bracing frame 3, thereby also just can effectively prevent separating of permanent magnet 1 and bracing frame 3.
An insulation barrier 5 is set in the both sides of bracing frame 3, on the end face of insulation barrier 5 near bracing frame 3, be provided with two buckles 51, bracing frame 3 is provided with two resettlement grooves 31, buckle 51 is corresponding with the position of resettlement groove 31, and buckle 51 can put in resettlement groove 31, live with resettlement groove 31 clampings, so just can realize being fixedly connected with between insulation barrier 5 and bracing frame 3.On the side of bracing frame 3, offer through hole 32, through hole 32 and resettlement groove 31 communicate, and through hole 32 the insides also arrange a button 7, and the base of button 7 is with projection 71, and projection 71 can prevent that button 7 from skidding off in the time of rotor from through hole 32.Button 7 connects with buckle 51, buckle 51, resettlement groove 31, through hole 32 and button 7 have just formed a demountable structure, in the time that rotor goes wrong, so just insulation barrier 5 can be separated with bracing frame 3, for convenience detach, maintenance and change, avoided the situation that uses the difficulty of getting rusty that may occur in screw connection to tear open, and insulation barrier 5 can also effectively stop permanent magnet 1, in T-shaped draw-in groove 41, axial displacement occurs.
Certainly, if consider, permanent magnet 1 is to contact with the face way of contact with T-shaped draw-in groove 41, in the one side that can also contact with permanent magnet 1, some texture bars 86 are set on T-shaped draw-in groove 41, to strengthen the axial rub of permanent magnet 1 and T-shaped draw-in groove 41, reach one and prevent that permanent magnet 1 from producing the effect of axial displacement.
In addition; generator is in the time of work; the inner eddy current producing easily produces heat; so have several air-vents 52(as Fig. 2 on insulation barrier 5); when bracing frame 3 rotates with rotating shaft, can strengthen the circulation of peritrochanteric air, the heat that eddy current is produced can distribute timely, pass; the heat dispersion of amplification generator inside, plays protective effect to a certain extent to generator.
Embodiment 2: similar with above-described embodiment 1, its difference is that permanent magnet 1 is wedge shape, it is the wedge shape matching with permanent magnet 1 that draw-in groove 4 is, wedge shape permanent magnet 1 and the buckle of falling wedge shape 42 just form a limiting section 6 like this.In the time that the rotating speed of rotor increases, the centrifugal force that permanent magnet 1 is subject to also increases thereupon, and centrifugal force forces the radial motion of permanent magnet 1 along rotating shaft, and deviate from bracing frame 3 centers, but due to the existence of the draw-in groove of falling wedge shape 42, coordinate wedge shape permanent magnet 1, the contact-making surface of permanent magnet 1 and the draw-in groove of falling wedge shape 42 is pushed mutually, the draw-in groove of falling wedge shape 42 is offered on bracing frame 3, that is to say that the draw-in groove of falling wedge shape 42 is relative with bracing frame 3 static, along with the interaction force on the contact-making surface of permanent magnet 1 and the draw-in groove of falling wedge shape 42 is increasing, this also just makes more and more tighter (as Fig. 7) of permanent magnet 1 and the draw-in groove of falling wedge shape 42, prevent separating of permanent magnet 1 and bracing frame 3 thereby can reach.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. the p-m rotor of a wind-driven generator, comprise permanent magnet, yoke and bracing frame, described yoke is fixed on support frame as described above, it is characterized in that: support frame as described above is along the circumferential direction evenly distributed with some draw-in grooves, described each draw-in groove all axially runs through setting along bracing frame, in described draw-in groove, be respectively provided with a permanent magnet, described permanent magnet and described draw-in groove clamping, described permanent magnet one end is placed in formation limiting section in draw-in groove, the other end extends outside draw-in groove, the both sides of support frame as described above are provided with insulation barrier, between described insulation barrier and support frame as described above, be connected with demountable structure, described insulation barrier is connected with bracing frame by demountable structure.
2. the p-m rotor of wind-driven generator according to claim 1, it is characterized in that: described insulation barrier is provided with buckle near the end face of bracing frame, support frame as described above is provided with resettlement groove, the side of support frame as described above is provided with the through hole communicating with described resettlement groove, in described through hole, be provided with the button of base band projection, described buckle, resettlement groove, through hole and button form described demountable structure.
3. the p-m rotor of wind-driven generator according to claim 1, is characterized in that: described insulation barrier is provided with some air-vents.
4. the p-m rotor of wind-driven generator according to claim 1, is characterized in that: described draw-in groove is provided with skid resistant course near a side of bracing frame.
5. the p-m rotor of wind-driven generator according to claim 1, is characterized in that: described permanent magnet is I shape, and described draw-in groove is the T shape of matching with one end of described permanent magnet, and described I shape permanent magnet and described T shape draw-in groove form described limiting section.
6. the p-m rotor of wind-driven generator according to claim 1, is characterized in that: described permanent magnet is wedge shape, and described draw-in groove is the wedge shape of falling matching with permanent magnet, and described wedge shape permanent magnet and the described draw-in groove of falling wedge shape form described limiting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487318.2U CN204030768U (en) | 2014-08-27 | 2014-08-27 | The p-m rotor of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487318.2U CN204030768U (en) | 2014-08-27 | 2014-08-27 | The p-m rotor of wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030768U true CN204030768U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487318.2U Expired - Fee Related CN204030768U (en) | 2014-08-27 | 2014-08-27 | The p-m rotor of wind-driven generator |
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| Country | Link |
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| CN (1) | CN204030768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950991A (en) * | 2019-05-05 | 2019-06-28 | 新疆金风科技股份有限公司 | Yoke assembly, motor, wind power generating set and motor assembling method |
| CN112865359A (en) * | 2019-11-27 | 2021-05-28 | 新疆金风科技股份有限公司 | Rotor and assembling method thereof, magnetic pole module and motor |
-
2014
- 2014-08-27 CN CN201420487318.2U patent/CN204030768U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950991A (en) * | 2019-05-05 | 2019-06-28 | 新疆金风科技股份有限公司 | Yoke assembly, motor, wind power generating set and motor assembling method |
| CN112865359A (en) * | 2019-11-27 | 2021-05-28 | 新疆金风科技股份有限公司 | Rotor and assembling method thereof, magnetic pole module and motor |
| CN112865359B (en) * | 2019-11-27 | 2023-06-09 | 新疆金风科技股份有限公司 | Rotor, assembling method thereof, magnetic pole module and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |