CN203951389U - Ultra-large type generator and generating set - Google Patents
Ultra-large type generator and generating set Download PDFInfo
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- CN203951389U CN203951389U CN201420393697.9U CN201420393697U CN203951389U CN 203951389 U CN203951389 U CN 203951389U CN 201420393697 U CN201420393697 U CN 201420393697U CN 203951389 U CN203951389 U CN 203951389U
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Abstract
The utility model relates to electrical generator fields, in particular to a kind of ultra-large type generator and generating set.It comprises main body, stator coil, hollow line shaft and rotor coil; Main body is hollow circular cylinder, is provided with cylindrical cavity in it; Rotor coil, hollow line shaft and stator coil are all arranged in cavity, and coaxial with main body; Hollow line shaft one end is fixedly connected with in rotor coil, and the other end is arranged on outside main body; The below of rotor coil is coaxially arranged with magnet; Body interior bottom is coaxially arranged with lower magnet with main body; Between upper magnet and lower magnet, be repulsion, by repulsion, rotor coil can be suspended in main body; Stator coil is enclosed within outside rotor coil, and is provided with gap between rotor coil.The utility model ultra-large type generator, by the magnet of pair of opposing is set below rotor coil, utilizes the repulsion between magnet, rotor coil is suspended in the air, thereby has removed bearing, and then reduced vibrations, has also eliminated noise.
Description
Technical field
The utility model relates to electrical generator fields, in particular to a kind of ultra-large type generator and generating set.
Background technology
Generator (English name: be Generators) other forms of energy conversion to be become to the plant equipment of electric energy, it is driven by the hydraulic turbine, steam turbine, diesel engine or other dynamic power machines, the Conversion of Energy that current, air-flow, fuel combustion or nuclear fission are produced is that mechanical energy is passed to generator, then is converted to electric energy by generator.Generator has been widely used in industrial and agricultural production, national defence, science and technology and daily life.
The form of generator is a lot, but its operation principle is all based on the law of electromagnetic induction and law of electromagnetic force.Therefore, the rule of its structure is: with suitable magnetic conduction and electric conducting material, form magnetic circuit and the circuit that carries out mutually electromagnetic induction, to produce electromagnetic power, reach the object of power conversion.
Generator consists of parts such as stator, rotor, end cap and bearings conventionally.
Other structural members that stator holds group, support by stator core, line and fixes these parts form.
Rotor is comprised of parts such as rotor core (or magnetic pole, magnetic grip) winding, retaining ring, centering ring, slip ring, fan and rotating shafts.
By bearing and end cap, by the stator of generator, rotor assembles, and rotor can be rotated in stator, does the motion of cutting magnetic line, thereby produces induced potential, by binding post, draws, and is connected in loop, has just produced electric current.
Actual alternating current generator, complicated structure, but mainly by rotor (rotating part) and stator (standing part) two parts, formed.High-rating generator sends very high voltage and very strong electric current, adopt the mode that coil is motionless, magnetic pole rotates to generate electricity.This generator is called rotary pole formula generator.In order to obtain stronger magnetic field, coil is embedded in stator coring groove, also to replace permanent magnet to make rotor with electromagnet.Large-scale rotary pole formula generator, can provide several kilovolts to the voltage of volts up to ten thousand, and power can reach hundreds of thousands kilowatt, even more than gigawatt.
The rotor of actual generator is driven by the hydraulic turbine, steam turbine or internal combustion engine.During due to generating, need to have rotor to rotate, rotor can be with dynamic bearing vibrations when rotating, and also can produce noise.
Utility model content
The purpose of this utility model is to provide a kind of ultra-large type generator and generating set, to solve the above problems.
A kind of ultra-large type generator is provided in embodiment of the present utility model, has comprised main body, stator coil, hollow line shaft and rotor coil;
Main body is hollow circular cylinder, is provided with cylindrical cavity in it;
Rotor coil, hollow line shaft and stator coil are all arranged in cavity, and coaxial with main body;
Hollow line shaft one end is fixedly connected with in rotor coil, and the other end is arranged on outside main body;
The below of rotor coil is coaxially arranged with magnet;
Body interior bottom is coaxially arranged with lower magnet with main body;
Between upper magnet and lower magnet, be repulsion, by repulsion, rotor coil can be suspended in main body;
Stator coil is enclosed within outside rotor coil, and is provided with gap between rotor coil.
Further, the bottom of cavity is provided with reference column;
Reference column is coaxial with main body, and its one end is fixed in main body, and the other end stretches in rotor coil, for preventing that rotor coil from producing and rocking when rotating.
Further, on reference column, be provided with wire guide, for the electric current that stator coil is produced, derive;
On wire guide, be provided with sealing plug, for guaranteeing that cavity is isolated from the outside.
Further, cavity is vacuum.
Further, rotor coil is provided with magnetic division board or magnetic conductive board near one end of upper magnet, for isolating suspension magnetic and generating magnetic field.
Further, on the inwall of main body, be provided with anti-static coatings.
Further, the inside, one end that hollow line shaft stretches in cavity is provided with spiral blinds, for dispelling the heat to rotor coil;
And/or,
In stator coil, be provided with heat-exchanger rig.
Further, hollow line shaft is provided with slip ring near one end of upper magnet;
Slip ring is electrically connected to rotor coil.
Further, slip ring is provided with conductive pressing plate away from a side of upper magnet;
Conductive pressing plate and slip ring are slidably connected, thereby for extraneous current delivery is powered to rotor coil to slip ring.
The utility model also provides a kind of generating set, and a plurality of above-mentioned ultra-large type generator series connection arrange.
The utility model ultra-large type generator, by the magnet of pair of opposing is set below rotor coil, utilizes the repulsion between magnet, rotor coil is suspended in the air, thereby has removed bearing, and then reduced vibrations, has also eliminated noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is execution modes more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment ultra-large type generator;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the stereogram of the utility model ultra-large type generator;
Fig. 4 is the another kind of structural representation of the utility model embodiment.
In figure, 1: hollow line shaft; 2: sealing gasket; 3: upper cover; 4: main body; 5: stator coil; 6: fixed arm; 7: magnetic division board; 8: wire; 9: rotor coil; 10: lower magnet; 11: reference column; 12: wire guide; 13: upper magnet; 14: slip ring; 15: conductive pressing plate; 16: sealing plate; 17: spiral blinds; 18: conducting ring.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, will the technical solution of the utility model be carried out to clear, complete description below.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
As shown in drawings, the utility model provides ultra-large type generator, comprises main body 4, stator coil 5, hollow line shaft 1 and rotor coil 9;
Main body 4 is hollow circular cylinder, is provided with cylindrical cavity in it;
Rotor coil 9, hollow line shaft 1 and stator coil 5 are all arranged in cavity, and coaxial with main body 4;
Hollow line shaft 1 one end is fixedly connected with in rotor coil 9, and the other end is arranged on outside main body 4;
The below of rotor coil 9 is coaxially arranged with magnet 13;
Main body 4 interior bottom portion and main body 4 are coaxially arranged with lower magnet 10;
Between upper magnet 13 and lower magnet 10, be repulsion, by repulsion, rotor coil 9 can be suspended in main body 4;
Stator coil 5 is enclosed within outside rotor coil 9, and is provided with gap between rotor coil 9.
Stator coil 5 is vertically placed on by fixed arm 6 in the cavity of main body 4, and rotor coil 9 is vertically placed between stator coil 5, by rotor coil 9, makes the magnetic induction line between the conductor wire cutting stator coil 5 on rotor coil 9, thereby produces electric energy.Again the electric energy producing is derived, thereby can further utilize.
Rotor coil 9 belows are provided with a pair of electromagnet, and lower electromagnet and upper electromagnet are oppositely arranged, thereby between can produce repulsion.And rotor coil 9 can be suspended in the air by repulsion, thereby reduced friction between the two, further will reduce the generation of vibrations and noise, reached damping and quiet effect, also reduced the heat producing because of friction, improved generating efficiency simultaneously.
Rotor coil 9, in the process of energising, is inevitably understood output heat, and this cannot be avoided or reduce, and when heat ceaselessly accumulates, also likely can impact whole generator.Therefore, the present embodiment is by hollow line shaft 1, the heat that rotor coil 9 is produced is derived, and cold air or cold water are passed in hollow line shaft 1, heat on cold water or cold air and hollow line shaft 1 is carried out to heat exchange, and then reduce the accumulation of heat on rotor coil 9, reduce the impact of heat on generator.
Further, the bottom of cavity is provided with reference column 11;
Reference column 11 is coaxial with main body 4, and its one end is fixed in main body 4, and the other end stretches in rotor coil 9, for preventing that rotor coil 9 from producing and rocking when rotating.
Because rotor coil 9 is to be suspended in the air, be floating shape, therefore, in the process of rotation, may be subject to the impact of extraneous factor and produce and rock, thereby it is played pendulum in the process of cutting magnetic induction line, also just easily making suddenly big or suddenly small unstable of electric current.
A reference column 11 coaxial with main body 4 is set in the cavity in main body 4, and reference column 11 one end are fixed in cavity, and the other end stretches in rotor coil 9, and rotor coil 9 just can only be take reference column 11 and be rotated as axle when rotating.
It is pointed out that reference column 11 can be to stretch in rotor coil 9, can also be to stretch in contact tube, as long as it can provide a rotation axis for rotor coil 9; Reference column 11 can be entity, only has positioning function, can also be hollow, except having positioning function, the heat in contact tube can also be derived in the centre bore of reference column 11, further increases rate of heat dissipation.
Further, on reference column 11, be provided with wire guide 12, for the electric current that stator coil 5 is produced, derive;
On wire guide 12, be provided with sealing plug, for guaranteeing that cavity is isolated from the outside.
The electric current that stator coil 5 is produced is derived by wire 8, for further utilization.
One end connecting stator coil 5 of wire 8, the other end, through the wire guide 12 on reference column 11, passes in the central shaft hole of reference column 11 centres.At wire 8, through after wire guide 12, on wire guide 12, wire guide 12 can be sealed sealing plug plug, not because of wire 8 through cavity is in communication with the outside, and then make extraneous environmental impact to the environment in cavity.
Further, cavity is vacuum.
In order to reduce friction and because of fricative heat, will to be set to vacuum in cavity, thereby reduce the resistance that air produces in rotation process rotor coil 9, further improved generating efficiency.
Upper cover 3 is set in main body 4, and hollow line shaft 1 passes with external power source and is connected from upper cover 3, for rotor coil 9 provides power.Between hollow line shaft 1 and upper cover 3, by sealing gasket 2, seal, to prevent the impact of external environment on the environment in the cavity in main body 4, thereby destroy the vacuum degree in cavity.
Further, rotor coil 9 is provided with magnetic division board 7 or magnetic conductive board near one end of upper magnet 13, for isolating suspension magnetic and generating magnetic field.
Owing to being provided with the generating magnetic field of generating electricity for cutting magnetic induction line in this generator and for produce the suspension magnetic of suspending power by repulsion, between two magnetic fields, likely can produce the interference of magnetic force, thereby make especially generation magnetic field, the intersection sinuous flow in two magnetic fields of two magnetic fields, affect the stability in magnetic field, and then have influence on current stability and the suspension magnetic suspension stability when suspending of generating magnetic field when generating.
For fear of the generation of above-mentioned situation, on rotor coil 9 is close, one end of magnet 13 arranges magnetic division board 7 or magnetic conductive board, thereby suspension magnetic and generating magnetic field are separated.
The potential source of magnetic interference is permanent magnet, electromagnet, be loaded with cable, motor, transformer and other coil part of large electric current etc.The interference effect that magnetic field produces can be by generation such as magnetic screen, magnetic isolation, conversion elements be used for reducing to minimum or elimination.Because magnetic field is more easily transferred than them by permeability magnetic material in air or in other medium material, so " magnetic screen " is usually made into ring-type or airtight element with the magnetic material with high magnetic permeability and comes " transfer " fall its contiguous magnetic line of force and achieve the goal.
Magnetic division board 7 is exactly the sheet material that utilizes magnetic shielding material to make, and can effectively suspension magnetic and generating magnetic field be separated, and reduces phase mutual interference between the two.
Further, on the inwall of main body 4, be provided with anti-static coatings.
On the inwall of the cavity of main body 4, be provided with anti-static coatings, can effectively stop because producing static in the dry cavity of vacuum state, thereby the generating magnetic field in main body 4 and suspension magnetic are produced and disturbed, affect generating efficiency.
Further, the inside, one end that hollow line shaft 1 stretches in cavity is provided with spiral blinds 17, for giving rotor coil 9 heat radiations;
And/or,
In stator coil 5, be provided with heat-exchanger rig.
In hollow line shaft 1 inside, spiral blinds 17 is set, can increase the heat exchange area between hollow line shaft 1 and rotor coil 9, while especially adding hot fast drain in hollow line shaft 1, can effectively increase the heat-conducting area between hollow line shaft 1 and hot fast drain, and then increased heat transfer efficiency between the two, the heat that can fast rotor coil 9 be produced is discharged, smoothly cooled rotor coil 9.
Stator coil 5, due to magnetic field, also has heat generation, and by the interior heat-exchanger rig that arranges of stator coil 5, as heat pipe etc., the heat that stator coil 5 is produced is derived, and then can extend the useful life of stator coil 5.
Further, hollow line shaft 1 is provided with slip ring 14 near one end of upper magnet 13;
Slip ring 14 is electrically connected to rotor coil 9.
Hollow line shaft 1 is provided with slip ring 14 near one end of upper magnet 13, and slip ring 14 is connected by wire 8 with rotor coil 9.For making wire 8 can realize slip ring 14, be connected with rotor coil 9, hollow line shaft 1 can be arranged to wire guide 12 near one end of upper magnet 13, by wire 8 one end connection slip rings 14, the other end connects rotor coil 9 through wire guide 12, realizes the object that slip ring 14 is electrically connected to rotor coil 9.
Further, slip ring 14 is provided with conductive pressing plate 15 away from a side of upper magnet 13;
Conductive pressing plate 15 is slidably connected with slip ring 14, thereby for giving rotor coil 9 power supplies to slip ring 14 extraneous current delivery.
Conductive pressing plate 15 is pressed on slip ring 14 by spring leaf or other elastic devices, again conductive pressing plate 15 is connected to one end of live wire, the other end of live wire is connected external power supply through slip ring 14 with the central shaft hole of reference column 11, and then is embodied as rotor coil 9 power supplies.
Conductive pressing plate 15 away from a side of magnet 13 be provided with sealing plate 16, spiral blinds in hollow line shaft 1 17 and conductive pressing plate 15 are kept apart, to prevent that the heat speed drain in hollow line shaft 1 from contacting with conductive pressing plate 15 and conducting electricity, and then heat exchanging system damages.
Slip ring 14 can also be arranged on hollow line shaft 1 in the cavity of main body 4 away from the outside of one end of magnet 13, and slip ring 14 away from a side of magnet 13 conducting ring 18 is set, on conducting ring 18, connect wire 8, wire 8 passes by the wire guide 12 of opening on upper cover 3, then by sealing plug, the wire guide on upper cover 3 12 is sealed.The wire of stator coil 5 also can be derived by the wire guide 12 on upper cover 3.
The utility model also provides a kind of generating set, and a plurality of above-mentioned ultra-large type generator series connection arrange.
Be about to a plurality of ultra-large type generator series connection and be set together, to increase the power of generating, so that use in the larger occasion of electric weight demand.
Can also be by a plurality of ultra-large type parallel operation of generators together, use flexibly.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a ultra-large type generator, is characterized in that, comprises main body, stator coil, hollow line shaft and rotor coil;
Described main body is hollow circular cylinder, is provided with cylindrical cavity in it;
Described rotor coil, described hollow line shaft and described stator coil are all arranged in described cavity, and coaxial with described main body;
Described hollow line shaft one end is fixedly connected with in described rotor coil, and the other end is arranged on outside described main body;
The below of described rotor coil is coaxially arranged with magnet;
Described body interior bottom is coaxially arranged with lower magnet with described main body;
Between described upper magnet and described lower magnet, be repulsion, by repulsion, described rotor coil can be suspended in described main body;
Described stator coil is enclosed within outside described rotor coil, and is provided with gap between described rotor coil.
2. ultra-large type generator according to claim 1, is characterized in that, the bottom of described cavity is provided with reference column;
Described reference column is coaxial with described main body, and its one end is fixed in described main body, and the other end stretches in described rotor coil, for preventing that described rotor coil from producing and rocking when rotating.
3. ultra-large type generator according to claim 2, is characterized in that, on described reference column, is provided with wire guide, for the electric current that described stator coil is produced, derives;
On described wire guide, be provided with sealing plug, for guaranteeing that described cavity is isolated from the outside.
4. ultra-large type generator according to claim 1, is characterized in that, described cavity is vacuum.
5. ultra-large type generator according to claim 1, is characterized in that, described rotor coil is provided with magnetic division board or magnetic conductive board near one end of described upper magnet, for isolating suspension magnetic and generating magnetic field.
6. ultra-large type generator according to claim 1, is characterized in that, on the inwall of described main body, is provided with anti-static coatings.
7. ultra-large type generator according to claim 1, is characterized in that, the inside, one end that described hollow line shaft stretches in described cavity is provided with spiral blinds, for giving described rotor coil heat radiation;
And/or,
In described stator coil, be provided with heat-exchanger rig.
8. ultra-large type generator according to claim 1, is characterized in that, described hollow line shaft is provided with slip ring near one end of described upper magnet;
Described slip ring is electrically connected to described rotor coil.
9. ultra-large type generator according to claim 8, is characterized in that, described slip ring is provided with conductive pressing plate away from a side of described upper magnet;
Described conductive pressing plate and described slip ring are slidably connected, thereby for extraneous current delivery being given described slip ring to described rotor coil power supply.
10. a generating set, is characterized in that, a plurality of ultra-large type generator series connection claimed in claim 1 arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393697.9U CN203951389U (en) | 2014-07-16 | 2014-07-16 | Ultra-large type generator and generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420393697.9U CN203951389U (en) | 2014-07-16 | 2014-07-16 | Ultra-large type generator and generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203951389U true CN203951389U (en) | 2014-11-19 |
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ID=51893404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420393697.9U Expired - Fee Related CN203951389U (en) | 2014-07-16 | 2014-07-16 | Ultra-large type generator and generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203951389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079210A (en) * | 2014-07-16 | 2014-10-01 | 黄涛 | Ultra-large type electricity generator and electricity generating unit |
| TWI687029B (en) * | 2018-10-09 | 2020-03-01 | 國立成功大學 | Motor with passive guiding flow for heat dissipation function and preparation method thereof |
-
2014
- 2014-07-16 CN CN201420393697.9U patent/CN203951389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079210A (en) * | 2014-07-16 | 2014-10-01 | 黄涛 | Ultra-large type electricity generator and electricity generating unit |
| TWI687029B (en) * | 2018-10-09 | 2020-03-01 | 國立成功大學 | Motor with passive guiding flow for heat dissipation function and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160716 |