CN205154403U - A miniature high -speed power generation system for on turbojet engine - Google Patents
A miniature high -speed power generation system for on turbojet engine Download PDFInfo
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- CN205154403U CN205154403U CN201520966960.3U CN201520966960U CN205154403U CN 205154403 U CN205154403 U CN 205154403U CN 201520966960 U CN201520966960 U CN 201520966960U CN 205154403 U CN205154403 U CN 205154403U
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- generator
- permanent magnet
- electricity generator
- phase permanent
- generation system
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a miniature high -speed power generation system for on turbojet engine, including the engine, three -phase permanent magnet generator and voltage stabilizing module, three -phase permanent magnet generator includes power generator shaft, the magnet steel, the generator stator lamination, generator stator coil and casing, power generator shaft's outside closely links firmly and connects the magnet steel, this magnet steel is the permanent magnet, the magnet steel constitutes three -phase permanent magnet generator's rotor, generator stator lamination fixed connection is on the casing, the winding of generator stator coil sets up on the generator stator lamination, the generator stator lamination, the generator stator coil constitutes three -phase permanent magnet generator's stator jointly, the engine output pivot is passed through the shaft coupling and is connected with three -phase permanent magnet generator's power generator shaft power, the generator stator coil is connected with the voltage stabilizing module electricity. The utility model has the characteristics of the rotational speed is high, power density is big, small etc, can replace the electronic equipment power supply of battery to the accessory system and the aircraft of engine.
Description
Technical field
The utility model relates to a kind of ultra high speed generator, particularly relates to a kind of miniature high-speed power generation system on turbojet engine.
Background technique
Micro Turbine Jet Engine has very wide application prospect in military and civilian field, and military aspect can be used for miniature self-service reconnaissance plane, small-sized bait machine, multipurpose small cruiser, miniature high-speed target drone, stagnant empty weapon, precision-guided munitions, smoke generator etc.; Civil area can be used for distributed generator, micromachine device, mini-medical apparatus, micro power etc.In actual applications, Micro Turbine Jet Engine needs for the electronic equipment of its accessory system and aircraft provides power supply.The power supply of conventional turbojet engine mainly adopts storage battery power supply, but due to the volume of storage battery self and weight comparatively large, thus limit the development of the further microminiaturization of turbojet engine.
From turbojet engine working principle, motor power and gas compressor power all come from turbine and rotate, equally, if a part of changes mechanical energy that turbine can be rotated is electric energy, replace the accessory system of storage battery to motor and the power electronic equipment of aircraft with transforming electric energy again, then greatly can reduce volume and the weight of motor.Herein, be that electric energy just needs to be realized by generator by changes mechanical energy, but tiny engine rotating speed is high, work under bad environment, common electric machine is difficult to be competent at, therefore the high speed matched with it/ultra high speed generator seems very necessary, not only can simplify the accessory structure of engine system, can develop into high-energy-density power-supply system further.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of miniature high-speed power generation system on turbojet engine, this generator system can replace the accessory system of storage battery to motor and the power electronic equipment of aircraft, greatly can reduce volume and the weight of motor.
The purpose of this utility model is achieved through the following technical solutions:
A kind of miniature high-speed power generation system on turbojet engine, comprise motor, three-phase permanent magnet electricity generator and Voltage stabilizing module, described three-phase permanent magnet electricity generator comprises alternator shaft, magnet steel, generator unit stator lamination, electricity generator stator coil and housing, the outside of alternator shaft is closely solidly connected described magnet steel, this magnet steel is permanent magnet, described magnet steel forms the rotor of three-phase permanent magnet electricity generator, described generator unit stator lamination is fixedly connected on housing, electricity generator stator coil is wound around and is arranged on generator unit stator lamination, described generator unit stator lamination, electricity generator stator coil forms the stator of three-phase permanent magnet electricity generator jointly.Described motor output revolving shaft is connected with the alternator shaft power of three-phase permanent magnet electricity generator by coupling, in the housing of described three-phase permanent magnet electricity generator, corresponding alternator shaft two ends are provided with bearing, and the end, two ends of alternator shaft is installed in corresponding bearing.Described electricity generator stator coil is electrically connected with described Voltage stabilizing module.Motor of the present utility model is by coupling drive electrical generators High Rotation Speed, motor is rotated by output revolving shaft drive electrical generators rotor (i.e. magnet steel) and transmits machine torque to generator, in three-phase stator winding, induction electromotive force is produced in generator amature permanent magnet (i.e. magnet steel) rotary course, in the speed range of regulation, the three-phase symmetrical induced voltage that generator produces is powered to the auxiliary electronic equipment of motor by stable output voltage after Voltage stabilizing module.
In order to realize the utility model better, be provided with rotor inner ring between described alternator shaft and magnet steel, this rotor inner ring is closely fixedly connected on alternator shaft outside, and it is outside that magnet steel is closely fixedly connected on rotor inner ring.
Further technological scheme is: the rotor (i.e. magnet steel) of described three-phase permanent magnet electricity generator adopts a pair permanent magnet, number of pole-pairs P=1, and the pole embrace of rotor is 1.
Break when High Rotation Speed to prevent the permanent magnet of magnet steel and throw away, described magnet steel outer wrap one deck stainless steel.
Further technological scheme is: described generator unit stator lamination is formed by silicon steel plate stack and opens 12 grooves.
The utility model provides a kind of preferred electricity generator stator coil structure technology scheme to be: described electricity generator stator coil adopts three-phase separate cloth winding method to be wrapped on generator unit stator lamination, and every circle winding is formed by solid conductor coiling or formed by multiple conducting wires coiling in parallel.
As preferably, the housing of described three-phase permanent magnet electricity generator is made up of front cover, rear end cover and casing stage casing, and front cover, rear end cover are fixedly connected with casing stage casing by screw.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) feature of the utility model, compact structure little for Micro Turbine Jet Engine volume, propose the scheme directly being realized electricity generate function by engine spindle with forwarding rotor, without the need to the reduction gearing mechanism of complexity, autonomous Design high speed small axle diameter coupling and generator mounting structure, both ensure that Micro Turbine Jet Engine functional structure and performance, achieve again the normal extraction of generator power.
(2) the utility model relies on generator, coupling to drive the alternator shaft of three-phase permanent magnet electricity generator to rotate, alternator shaft drives magnet steel to rotate, generator unit stator lamination, electricity generator stator coil be the magnetic field that produces of cutting magnetic induction line together, thus generation three phase circuit, just can to the power electronic equipment of the accessory system of motor and aircraft when generator operation, eliminate and arrange storage battery specially to power, greatly can reduce volume and the weight of motor.The utility model can replace the battery system on turbojet engine, and develops into a kind of power generation system of high-energy-density.
(2) the utility model is for the feature of Micro Turbine Jet Engine rotor speed up to 103000r/min, the high-speed permanent magnetic synchronous alternating-current generator of autonomous Design, there is the features such as rotating speed is high, specific power is large, volume is little, the generator unit stator iron losses computation method proposed, rotor eddy current computational methods and generator temperature rise calculation method, solve a difficult problem for ultra high speed generator electromagnetic parameter design.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present utility model;
Fig. 2 is the structural representation of three-phase permanent magnet electricity generator.
Wherein, the name corresponding to the reference character in accompanying drawing is called:
1-generator unit stator lamination, 2-electricity generator stator coil, 3-housing, 4-alternator shaft, 5-rotor inner ring, 6-magnet steel, 7-rotor jacket, 8-bearing, 9-end cap, 10-coupling.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment
As shown in Fig. 1 ~ Fig. 2, a kind of miniature high-speed power generation system on turbojet engine, comprise motor, three-phase permanent magnet electricity generator and Voltage stabilizing module, three-phase permanent magnet electricity generator comprises alternator shaft 4, magnet steel 6, generator unit stator lamination 1, electricity generator stator coil 2 and housing 3, the outside of alternator shaft 4 is closely solidly connected magnet steel 6 by rotor inner ring 5, this magnet steel 6 is permanent magnet, magnet steel 6 forms the rotor of three-phase permanent magnet electricity generator, it is inner that generator unit stator lamination 1 is fixedly connected on housing 3, electricity generator stator coil 2 is wound around and is arranged on generator unit stator lamination 1, generator unit stator lamination 1, electricity generator stator coil 2 forms the stator of three-phase permanent magnet electricity generator jointly.Motor output revolving shaft is connected with alternator shaft 4 power of three-phase permanent magnet electricity generator by coupling 10, and in the housing 3 of three-phase permanent magnet electricity generator, corresponding alternator shaft 4 two ends are provided with bearing 8, and bearing 8 is for supporting the generator amature of High Rotation Speed.Electricity generator stator coil 2 is electrically connected with Voltage stabilizing module.Motor of the present utility model drives three-phase permanent magnet electricity generator High Rotation Speed by coupling, motor drives magnet steel to rotate by output revolving shaft and transmits machine torque to generator, in three-phase stator winding, induction electromotive force is produced in generator amature permanent magnet (i.e. magnet steel) rotary course, in the speed range of regulation, the three-phase symmetrical induced voltage that generator produces is powered to the auxiliary electronic equipment of motor by stable output voltage after Voltage stabilizing module.
According to an embodiment of the present utility model, rotor inner ring 5 is provided with between alternator shaft 4 and magnet steel 6, it is outside that this rotor inner ring 5 is closely fixedly connected on alternator shaft 4, and it is outside that magnet steel 6 is closely fixedly connected on rotor inner ring 5, and namely the surface of rotor inner ring 5 is close to by magnet steel 6.
According to an embodiment of the present utility model, the rotor of three-phase permanent magnet electricity generator adopts a pair permanent magnet, number of pole-pairs P=1, and the pole embrace of rotor is 1.
According to an embodiment of the present utility model, magnet steel 6 outer wrap one deck stainless steel.This layer of stainless steel forms a protecting jacket; can prevent from magnet steel 6 (i.e. permanent magnet) from breaking when High Rotation Speed throwing away or prevent sputtering after permanent magnet fragmentation under high-speed case, stainless steel material also can not have an impact to the generating of whole power generation system.
According to an embodiment of the present utility model, generator unit stator lamination 1 is formed by silicon steel plate stack and opens 12 grooves.Electricity generator stator coil 2 adopts three-phase separate cloth winding method to be wrapped on generator unit stator lamination 1, and every circle winding is formed by solid conductor coiling or formed by multiple conducting wires coiling in parallel.Cutting magnetic induction line under the magnetic field that generator unit stator lamination 1, electricity generator stator coil 2 rotate at magnet steel 6 and produce and produce three phase circuit and output to outside.
According to an embodiment of the present utility model, the housing 3 of three-phase permanent magnet electricity generator is made up of front cover, rear end cover and casing stage casing, and front cover, rear end cover are fixedly connected with casing stage casing by screw.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. the miniature high-speed power generation system on turbojet engine, it is characterized in that: comprise motor, three-phase permanent magnet electricity generator and Voltage stabilizing module, described three-phase permanent magnet electricity generator comprises alternator shaft (4), magnet steel (6), generator unit stator lamination (1), electricity generator stator coil (2) and housing (3), the outside of alternator shaft (4) connects described magnet steel (6) by rotor inner ring (5), this magnet steel (6) is permanent magnet, described magnet steel (6) forms the rotor of three-phase permanent magnet electricity generator, described generator unit stator lamination (1) is fixedly connected in housing (3), electricity generator stator coil (2) is wound around and is arranged on generator unit stator lamination (1), described generator unit stator lamination (1), electricity generator stator coil (2) forms the stator of three-phase permanent magnet electricity generator jointly, described motor output revolving shaft is connected with alternator shaft (4) power of three-phase permanent magnet electricity generator by coupling (10), and in the housing (3) of described three-phase permanent magnet electricity generator, corresponding alternator shaft (4) two ends are provided with bearing (8), described electricity generator stator coil (2) is electrically connected with described Voltage stabilizing module.
2. according to the miniature high-speed power generation system on turbojet engine according to claim 1, it is characterized in that: it is outside that described rotor inner ring (5) is closely fixedly connected on alternator shaft (4), it is outside that magnet steel (6) is closely fixedly connected on rotor inner ring (5).
3. according to the miniature high-speed power generation system on turbojet engine according to claim 1, it is characterized in that: the rotor of described three-phase permanent magnet electricity generator adopts a pair permanent magnet, number of pole-pairs P=1, the pole embrace of rotor is 1.
4. according to the miniature high-speed power generation system on turbojet engine described in claim 1 or 3, to it is characterized in that: described magnet steel (6) outer wrap one deck stainless steel.
5. according to the miniature high-speed power generation system on turbojet engine according to claim 1, it is characterized in that: described generator unit stator lamination (1) is formed by silicon steel plate stack and opens 12 grooves.
6. according to the miniature high-speed power generation system on turbojet engine described in claim 1 or 5, it is characterized in that: described electricity generator stator coil (2) adopts three-phase separate cloth winding method to be wrapped on generator unit stator lamination (1), every circle winding is formed by solid conductor coiling or is formed by multiple conducting wires coiling in parallel.
7. according to the miniature high-speed power generation system on turbojet engine according to claim 1, it is characterized in that: the housing (3) of described three-phase permanent magnet electricity generator is made up of front cover, rear end cover and casing stage casing, and front cover, rear end cover are fixedly connected with casing stage casing by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966960.3U CN205154403U (en) | 2015-11-26 | 2015-11-26 | A miniature high -speed power generation system for on turbojet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966960.3U CN205154403U (en) | 2015-11-26 | 2015-11-26 | A miniature high -speed power generation system for on turbojet engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154403U true CN205154403U (en) | 2016-04-13 |
Family
ID=55690109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520966960.3U Active CN205154403U (en) | 2015-11-26 | 2015-11-26 | A miniature high -speed power generation system for on turbojet engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154403U (en) |
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2015
- 2015-11-26 CN CN201520966960.3U patent/CN205154403U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610000 Sichuan Chengdu Economic and Technological Development Zone (Longquanyi District) 118 Aerospace North Road Patentee after: Sichuan Aerospace Zhongtian Power Equipment Co., Ltd. Address before: 610000 No. 118 Aerospace North Road, Longquanyi Town, Chengdu City, Sichuan Province Patentee before: Sichuan Dayu Special Vehicle Factory |