CN208226823U - A kind of birotor permanent magnetic synchronous generator - Google Patents
A kind of birotor permanent magnetic synchronous generator Download PDFInfo
- Publication number
- CN208226823U CN208226823U CN201820753698.8U CN201820753698U CN208226823U CN 208226823 U CN208226823 U CN 208226823U CN 201820753698 U CN201820753698 U CN 201820753698U CN 208226823 U CN208226823 U CN 208226823U
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- CN
- China
- Prior art keywords
- permanent magnet
- synchronous generator
- magnetic synchronous
- permanent magnetic
- birotor
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- Control Of Eletrric Generators (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to a kind of birotor permanent magnetic synchronous generators, including base, several stators and several rotors being coaxially mounted on the base, wherein, the rotor includes conventional rotors and adjustable rotor, the conventional rotors include the first permanent magnet trough, and it is fixed on the first permanent magnet in first permanent magnet trough, the adjustable rotor includes the second permanent magnet trough, the second permanent magnet being movably arranged as in second permanent magnet trough, and the elastic supporting member for supporting optical member through second permanent magnet, the elastic supporting member for supporting optical member is circle, the both ends of the adjustable rotor are respectively provided with end cap, the end cap is equipped with through-hole, second permanent magnet protrudes into the through-hole, the generator being capable of adjust automatically output voltage and generated output, improve kinetic energy efficiency.
Description
Technical field
The utility model relates to a kind of birotor permanent magnetic synchronous generators.
Background technique
Currently, wind generating technology is increasingly mature as permanent-magnet material uses.But existing large-scale wind driven generator unit
Structure is complicated, to pursue higher power coefficient, and control system is more and difficult, it is at high cost to cause;Simultaneity factor is more complicated, therefore
Barrier rate is higher, due to the requirement of cost and maintenance is high, thus affect the enthusiasm that middle-size and small-size user uses.And other are small-sized
Wind generator system, using simple magneto alternator, structure is simple, easily controllable, but wind power utilization system when use
Number is low, affects economic benefit, reduces rate of return on investment.
Currently, maximum to small-sized wind power generator group demand is the greenhouse gardening of vast rural area and remote districts or cultivation
Family is mainly used for illumination, heating and simple machining, and these areas are in the end of rural power grids mostly, and transmission line of electricity capacity is very
Difficulty is met the requirements, while also not strong to the ability to accept of cost.But often wind resource is more in these areas, especially north ground
Area, thus have very big demand to wind power generating set.It cannot be connect due to cost with the high request of maintenance, these users
By large-scale wind power generating set, small-sized wind power generator group can only be used, and a large amount of small-sized wind power generator group is adopted at present
It is permanent magnet synchronous motor, if not using the control system mode of current transformer, power coefficient is too low, economy
Difference;If controlled using current transformer, power coefficient can be greatly improved, but current transformer used for wind power generation at least need tens of thousands of members or
The cost of hundreds of thousands member, then rate of return on investment is too low.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of birotor permanent magnetic synchronous generator, it should
Generator can adjust automatically output voltage and generated output, improve kinetic energy efficiency.
The utility model proposes a kind of birotor permanent magnetic synchronous generator, including base, be coaxially mounted to the base
On several stators and several rotors, wherein the rotor includes conventional rotors and adjustable rotor, the conventional rotors packet
The first permanent magnet for including the first permanent magnet trough and being fixed in first permanent magnet trough, the adjustable rotor include second forever
Magnet slot, the second permanent magnet being movably arranged as in second permanent magnet trough and the elasticity through second permanent magnet
Supporting element, the elastic supporting member for supporting optical member are circle, and the both ends of the adjustable rotor are respectively provided with end cap, and the end cap is equipped with through-hole,
Second permanent magnet protrudes into the through-hole.
Further, the quantity of the stator and the rotor is respectively 2.
Further, the material of the elastic supporting member for supporting optical member is rubber, to have good elasticity.
Further, the conventional rotors are identical with the number of pole-pairs of the adjustable rotor.
Further, the stator is equipped with stator winding, and the stator winding is three-phase windings.
Further, after the stator winding is serially connected, then triangle or star-like connection are carried out.
Further, the base is equipped with the connecting shaft for installing the rotor, the shell being arranged in outside the stator.
Further, the shell is equipped with bearing block, and bearing is equipped in the bearing block, and the bearing is set in described
In connecting shaft.
Further, the connecting shaft is equipped with fan.
Further, the fan is arranged on the outside of the bearing block.
Further, tail portion is equipped on the outside of the fan to cover, the tail portion cover is equipped with gas vent.
Further, the base bottom is equipped with outlet terminal.
According to the above aspect of the present invention, the utility model at least has the following advantages:
1, the utility model proposes birotor permanent magnetic synchronous generator, two stator winding coaxially connect, two rotors,
First permanent magnet of one of conventional rotors is fixed structure, provides basic generated output, the second permanent magnetism of adjustable rotor
Body can be radially slided with the variation of revolving speed, the gap of rotor permanent magnet and stator winding be automatically adjusted, so as to adjust output voltage
And generated output;Generator cooperation pure resistance heater can convert wind energy into thermal energy, while cooperate all-wave at low cost whole
Stream bridging charges a battery at direct current, can be used for illuminating or simply machining.In the change procedure of wind speed, generator from
Dynamic to adjust output voltage and power, cooperation increases or decreases the quantity of heating resistor, while full-wave rectification bridge can also be adjusted automatically
The electric current of rectification is saved, raising power coefficient reduces maintenance workload to improve the rate of return on investment of user as far as possible
And cost, labor intensity is reduced, environmental protection is also beneficial to.
2, it can selectively be connected into triangle after two stator winding are connected according to the wind-force size in power generation area and connect
Method or wye connection are conducive to improve power coefficient.
3, using dual-rotor structure, conventional rotors provide basic generated output, and adjustable rotor is automatic with the variation of wind speed
Air-gap separation is adjusted, output voltage and power are adjusted, is conducive to improve power coefficient.
4, due to when generator is static air-gap separation it is maximum, resistance when starting is minimum, is conducive to the starting of generator.
5, it is on same circumference always when ensuring that the second permanent magnet radially slides using elastic supporting member for supporting optical member, guarantees power generation matter
Amount.
6, the through-hole of restricted second permanent magnet shift position is set on the end cap of adjustable rotor, it is ensured that rotor can bear axis
Xiang Li.
7, the bearing block of shell is protruded into setting, and the dynamic balancing of rotor can be improved, as far as possible reduction Generator Vibration, is conducive to
Reduce noise.
8, fan is connected with connecting shaft, reduces motor temperature, gas vent is arranged on the cover of tail portion, advantageously reduces generator
Temperature.
9, the outlet terminal of generator is arranged in base bottom, convenient for conducting wire to be guided into the tower of bottom.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of birotor permanent magnetic synchronous generator.
Fig. 2 is the partial structural diagram of birotor permanent magnetic synchronous generator.
Fig. 3 is the partial structural diagram of birotor permanent magnetic synchronous generator.
Fig. 4 is the partial structural diagram of birotor permanent magnetic synchronous generator.
Fig. 5 is the partial structural diagram of birotor permanent magnetic synchronous generator.
Specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of birotor permanent magnetic synchronous generator, including base 1, be coaxially mounted on base 1 two
A stator 2 and two rotors, wherein two rotors are respectively conventional rotors 3 and adjustable rotor 4.
Conventional rotors 3 include the first permanent magnet trough and the first permanent magnet 5 being fixed in the first permanent magnet trough.It can turn
Son 4 is including the second permanent magnet trough 6, the second permanent magnet 7 being movably arranged as in the second permanent magnet trough 6 and through the second permanent magnetism
The elastic supporting member for supporting optical member 8 of body 7, elastic supporting member for supporting optical member 8 are circle, and the material of elastic supporting member for supporting optical member 8 is rubber, to have good elasticity.
The both ends of adjustable rotor 4 are respectively provided with end cap 9, and end cap 9 is equipped with through-hole 10, and the second permanent magnet 7 protrudes into through-hole 10, the second permanent magnetism
Body 7, which can be radially slided to the edge of through-hole 10, to be engaged.
Conventional rotors 3 are identical with the number of pole-pairs of adjustable rotor 4.Stator 2 be equipped with stator winding, stator winding be three-phase around
Group.After stator winding is serially connected, then carry out triangle or star-like connection.
Base 1 is equipped with the connecting shaft 11 of installation rotor, the shell 12 being arranged in outside stator 2.Shell 12 is equipped with bearing
Seat 13, bearing block 13 is interior to be equipped with bearing, and bearing is set in connecting shaft 11.Connecting shaft 11 is equipped with fan 14, and fan 14 is arranged
In 13 outside of bearing block.Tail portion cover 15 is equipped on the outside of fan 14, tail portion cover 15 is equipped with gas vent 16.1 bottom of base is equipped with
Line terminals 17.
Working principle of the utility model is: above-mentioned birotor permanent magnetic synchronous generator, two stator winding are coaxially connected,
Even a stator respectively corresponds two rotors, and wherein the first permanent magnet 5 of conventional rotors 3 is fixed structure, provides basic power generation
Power, the centrifugal force that the second permanent magnet 7 of adjustable rotor 4 is subject to the rotation speed change of connecting shaft 11 also can be different, according to centrifugation
The size of power is radially slided, the gap of the second permanent magnet of automatic adjustment 7 and stator winding, so as to adjust output voltage and power generation
Power.
In conclusion the utility model has the advantage that
1, the generator cooperates pure resistance heater, can convert wind energy into thermal energy, while cooperating all-wave at low cost whole
Stream bridging charges a battery at direct current, can be used for illuminating or simply machining.In the change procedure of wind speed, generator from
Dynamic to adjust output voltage and power, cooperation increases or decreases the quantity of heating resistor, while full-wave rectification bridge can also be adjusted automatically
The electric current of rectification is saved, raising power coefficient reduces maintenance workload to improve the rate of return on investment of user as far as possible
And cost, labor intensity is reduced, environmental protection is also beneficial to.
2, it can selectively be connected into triangle after two stator winding are connected according to the wind-force size in power generation area and connect
Method or star connection are conducive to improve power coefficient.
3, using dual-rotor structure, conventional rotors 3 provide basic generated output, adjustable rotor 4 with wind speed variation from
It is dynamic to adjust air-gap separation, output voltage and power are adjusted, is conducive to improve power coefficient.
4, due to when generator is static air-gap separation it is maximum, resistance when starting is minimum, is conducive to the starting of generator.
5, it is on same circumference always when ensuring that the second permanent magnet 7 radially slides using elastic supporting member for supporting optical member 8, guarantees power generation
Quality.
6, the through-hole 10 of restricted second permanent magnet, 7 shift position is set on the end cap 9 of adjustable rotor 4, it is ensured that rotor energy
Bear axial force.
7, the bearing block 13 of shell 12 is protruded into setting, and the dynamic balancing of rotor can be improved, as far as possible reduction Generator Vibration, has
Conducive to reduction noise.
8, fan 14 is connected with connecting shaft 11, reduces motor temperature, gas vent 16 is arranged on tail portion cover 15, is conducive to drop
Low generator-temperature detection.
9, the outlet terminal 17 of generator is arranged in 1 bottom of base, convenient for conducting wire to be guided into the tower of bottom.
Although the utility model has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the utility model, any
Person skilled in the art can do various change and modification, therefore this without departing from the spirit and scope of the utility model
The protection scope of utility model should subject to the definition of the claims.
Claims (10)
1. a kind of birotor permanent magnetic synchronous generator, it is characterised in that: including base, be coaxially mounted to it is several on the base
A stator and several rotors, wherein the rotor includes conventional rotors and adjustable rotor, and the conventional rotors include first forever
Magnet slot and the first permanent magnet being fixed in first permanent magnet trough, the adjustable rotor include the second permanent magnet trough, work
The second permanent magnet in second permanent magnet trough and the elastic supporting member for supporting optical member through second permanent magnet, institute are set dynamicly
Elastic supporting member for supporting optical member is stated as circle, the both ends of the adjustable rotor are respectively provided with end cap, and the end cap is equipped with through-hole, and described second forever
Magnet protrudes into the through-hole.
2. birotor permanent magnetic synchronous generator according to claim 1, it is characterised in that: the conventional rotors and it is described can
The number of pole-pairs for turning son is identical.
3. birotor permanent magnetic synchronous generator according to claim 1, it is characterised in that: the stator be equipped with stator around
Group, the stator winding are three-phase windings.
4. birotor permanent magnetic synchronous generator according to claim 3, it is characterised in that: the stator winding is serially connected
Afterwards, triangle or star-like connection are carried out then.
5. birotor permanent magnetic synchronous generator according to claim 1, it is characterised in that: the base is equipped with installation institute
The shell stating the connecting shaft of rotor, being arranged in outside the stator.
6. birotor permanent magnetic synchronous generator according to claim 5, it is characterised in that: the shell is equipped with bearing
Seat, the bearing block is interior to be equipped with bearing, and the bearing is set in the connecting shaft.
7. birotor permanent magnetic synchronous generator according to claim 6, it is characterised in that: the connecting shaft is equipped with wind
Fan.
8. birotor permanent magnetic synchronous generator according to claim 7, it is characterised in that: the fan is arranged in the axis
It holds on the outside of seat.
9. birotor permanent magnetic synchronous generator according to claim 7, it is characterised in that: be equipped with tail portion on the outside of the fan
Cover, the tail portion cover are equipped with gas vent.
10. birotor permanent magnetic synchronous generator according to claim 1, it is characterised in that: the material of the elastic supporting member for supporting optical member
Matter is rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820753698.8U CN208226823U (en) | 2018-05-18 | 2018-05-18 | A kind of birotor permanent magnetic synchronous generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820753698.8U CN208226823U (en) | 2018-05-18 | 2018-05-18 | A kind of birotor permanent magnetic synchronous generator |
Publications (1)
Publication Number | Publication Date |
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CN208226823U true CN208226823U (en) | 2018-12-11 |
Family
ID=64509122
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CN201820753698.8U Expired - Fee Related CN208226823U (en) | 2018-05-18 | 2018-05-18 | A kind of birotor permanent magnetic synchronous generator |
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CN (1) | CN208226823U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108712039A (en) * | 2018-05-18 | 2018-10-26 | 常州机电职业技术学院 | A kind of birotor permanent magnetic synchronous generator |
-
2018
- 2018-05-18 CN CN201820753698.8U patent/CN208226823U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108712039A (en) * | 2018-05-18 | 2018-10-26 | 常州机电职业技术学院 | A kind of birotor permanent magnetic synchronous generator |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20210518 |
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CF01 | Termination of patent right due to non-payment of annual fee |