CN105889313B

CN105889313B - A kind of ultrahigh speed gas turbine generator

Info

Publication number: CN105889313B
Application number: CN201610329288.6A
Authority: CN
Inventors: 罗立峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-05-19
Filing date: 2016-05-18
Publication date: 2018-10-26
Anticipated expiration: 2036-05-18
Also published as: CN205858948U; CN105888818A; TW201706516A; CN105888818B; CN106026492A; CN106014641A; CN205864143U; CN205858730U; CN205864174U; CN106026517B; CN105889097B; TWI704751B; WO2016184414A1; WO2016184408A1; TWI694210B; WO2016184416A1; CN205858479U; CN106026517A; CN105889097A; CN205858494U

Abstract

The invention discloses a kind of ultrahigh speed gas turbine generators, it includes turbine, compressor, motor, 2 journal bearings, 1 thrust bearing and combustion chamber, the journal bearing is slot type kinetic pressure gas journal bearing, the thrust bearing is hybrid kinetic pressure gas thrust bearing, the rotor is set in the middle part of Inner axis, 2 journal bearings are respectively sleeved on the outer shaft at the left and right end of rotor, and the thrust bearing is set in the outer end side on the outer shaft of right end and positioned at right end journal bearing.Present invention can be implemented in the ultrahigh speed steady runnings under air supporting state can make the volume of gas turbine generator be substantially reduced realization micromation for equal-wattage requirement.

Description

A kind of ultrahigh speed gas turbine generator

Technical field

The present invention is to be related to a kind of ultrahigh speed gas turbine generator, belongs to high-accuracy field of mechanical technique.

Background technology

Gas turbine generator is gas continuously to flow as working medium impeller high speed rotation, by the energy conversion of fuel It is a kind of rotary vane type Thermal Motor for the internal combustion type dynamic power machine of useful work, by gas turbine and generating set at main Be used for oil field, power plant, telecommunications building, skyscraper, hotel, residence district, market, hospital, army, conference centre, partially Stand-by power supply necessary to the important places such as remote area, island and as mobile power necessary to emergency, field work etc., It can be used as ship power, power peak regulation.

With in global range the energy and power demand, using air bearing miniature gas turbine generator because have ruler Very little small, light-weight, fuel tolerance is by force, low fuel consumption rate, low noise, with small vibration, disposal of pollutants is low, maintenance cost is cheap, A series of advanced technology features such as it is not required to be water-cooled in military-civil communications and transportation (hybrid vehicle) and land-sea frontier defense side Face starts to apply, by the great attention and concern of the country such as the United States, Russia.But it is asked as follows since existing air bearing is primarily present Topic：It is complicated, be not suitable for industrialization；Reliability is poor, and it is even stuck that unstability is easy when running at high speed；Run at high speed generation Heat cannot effectively export, be unable to long time continuous working；Volume is larger, cannot meet current miniaturization requirement.

Invention content

In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide it is a kind of can stable operation superelevation quick burning Turbo-generator.

To achieve the above object, the technical solution adopted by the present invention is as follows：

A kind of ultrahigh speed gas turbine generator, including turbine, compressor, motor, 2 journal bearings, 1 thrust bearing And combustion chamber, the turbine include turbine, turbine fluid director of machine and turbine fluid director of machine shell, the compressor includes pressure Wheel, compressor housings and compressor diffuser, the motor include rotor, stator, Inner axis, outer shaft and electric machine casing；Its feature It is：The journal bearing is slot type kinetic pressure gas journal bearing, including bearing outside and bearing inner sleeve；The thrust bearing is Hybrid kinetic pressure gas thrust bearing, including two side panels and the mid-game that is folded between two side panels, each side panel with Foil-type elastic component is equipped between mid-game；The rotor is set in the middle part of Inner axis, and 2 journal bearings, which are respectively sleeved to be located at, to be turned On the outer shaft at the left and right end of son, the thrust bearing is set in the outer end side on the outer shaft of right end and positioned at right end journal bearing.

A kind of embodiment, the turbine and compressor are separately positioned on the both ends of Inner axis, and the combustion chamber setting exists Turbine end.

Another embodiment, the combustion chamber are arranged at the middle part of inner shaft, and the turbine and compressor are respectively set It is arranged at the both ends of Inner axis or back-to-back in one end of Inner axis.

As further embodiment, the ultrahigh speed gas turbine generator further includes left radial axle bearing sleeve and left bearing Room end cap, turbine fluid director of machine shell are fixedly connected with left bearing room end cap, and left bearing room end cap is fixed with left radial axle bearing sleeve Connection, the shell of combustion chamber are fixedly connected with left radial axle bearing sleeve, and left radial axle bearing sleeve is fixedly connected with electric machine casing.

As further embodiment, the ultrahigh speed gas turbine generator further includes right radial axle bearing sleeve and right bearing Room end cap, compressor housings are fixedly connected with right bearing room end cap, and right bearing room end cap is fixedly connected with right radial axle bearing sleeve, right Radial axle bearing sleeve is fixedly connected with electric machine casing.

Preferably, the surface of the inner shaft offers heat dissipation helicla flute, is carried out in favor of heat dissipation and to bearing chamber Air supply.

Preferably, several open slots are offered in the inner wall side of electric machine casing, is opened in the end face of electric machine casing Equipped with several ventholes, the open slot is connected with venthole, in favor of the importing and export of gas, on the one hand realizes quick Heat dissipation exhaust, another side are realized to carrying out air supply in bearing chamber.

Preferably, the outer circumference surface of the bearing inner sleeve and both ends of the surface all have the slot type decorative pattern of regular shape.

As further preferred scheme, the slot type decorative pattern of the end face of the bearing inner sleeve and the slot type decorative pattern of other end Form the radial profile of the axial profile line of the slot type decorative pattern of mirror symmetry and outer circumference surface and the slot type decorative pattern of both ends of the surface It is respectively formed and corresponds and mutually join.

As further preferred scheme, the high bit line of axial direction and two in the slot type decorative pattern of the outer circumference surface of the bearing inner sleeve The high bit line of radial direction in the slot type decorative pattern of end face is homogeneously corresponding and mutually joins before the peripheral chamfer of end face；The slot of outer circumference surface Axial neutrality line in formula decorative pattern is corresponding with the radial neutrality line in the slot type decorative pattern of both ends of the surface and in end face peripheral chamfer Preceding mutual handing-over；Axial low-bit line in the slot type decorative pattern of outer circumference surface and the radial low-bit line in the slot type decorative pattern of both ends of the surface are equal It is corresponding and mutually join before the peripheral chamfer of end face.

Preferably, the fit clearance between the bearing inner sleeve and bearing outside is 0.003~0.008mm.

Preferably, it is equipped with only ring at the both ends of the bearing outside.

Preferably, the both ends of the surface of the mid-game are equipped with the slot type decorative pattern of regular shape, and the slot type of end face Decorative pattern and the slot type decorative pattern of other end form mirror symmetry.

Preferably, slot type decorative pattern, and the slot type decorative pattern of outer circumference surface also are provided in the outer circumference surface of the mid-game Shape is identical as the shape of slot type decorative pattern of both ends of the surface and the axial profile line and both ends of the surface of the slot type decorative pattern of outer circumference surface Slot type decorative pattern radial profile be respectively formed correspond and mutually join.

As further preferred scheme, the slot of axial direction high bit line and both ends of the surface in the slot type decorative pattern of the outer circumference surface of mid-game The high bit line of radial direction in formula decorative pattern is homogeneously corresponding and mutually joins before the peripheral chamfer of end face；In the slot type decorative pattern of outer circumference surface Axial neutrality line it is corresponding with the radial neutrality line in the slot type decorative pattern of both ends of the surface and mutually handed over before the peripheral chamfer of end face It connects；Axial low-bit line in the slot type decorative pattern of outer circumference surface is corresponding with the radial low-bit line in the slot type decorative pattern of both ends of the surface, And mutually join before the peripheral chamfer of end face.

As further preferred scheme, with wear-resistant coating is equipped in the mating surface of the matched foil-type elastic component of mid-game.

As further preferred scheme, the fit clearance of the foil-type elastic component and mid-game is 0.003~0.008mm.

As further preferred scheme, at least one end of the foil-type elastic component is fixed on the inner face of corresponding side panel.

As further preferred scheme, the foil-type elastic component on each side panel is multiple and uniform along the inner face of side panel Distribution.

As further preferred scheme, the foil-type elastic component that is fixed on a side panel and it is fixed on another side panel Foil-type elastic component forms mirror symmetry.

As further preferred scheme, the card slot for fixing foil-type elastic component is equipped in the inner face of side panel.

As a kind of embodiment, the foil-type elastic component is made of wave foil peace foil, the arc convex of the wave foil Top fits with flat foil.

As another embodiment, the foil-type elastic component is made of wave foil peace foil, between the wave arch of the wave foil Transition bottom edge fits with flat foil.

As another embodiment, the foil-type elastic component is made of two flat foils.

Above-mentioned slot type decorative pattern is impeller shape.

Above-mentioned foil-type elastic component is preferably through Surface heat-treatent.

Preferably, the rotor includes rotor base, magnet steel and magnet steel protective case, and the rotor base is set in On Inner axis, the magnet steel is set in the central part of rotor base, and the magnet steel protective case is set on magnet steel.

Preferably, the stator includes iron core and winding, and the iron core is fixed on the motor above rotor On the inner wall of shell, the winding is arranged on iron core.

Preferably, the iron core includes being stacked the stator lasmination formed up and down by several punchings and being fixed on stator The end clamp plate of lamination both sides.

As further preferred scheme, the punching is in circular ring shape, and multiple cup-shaped perforation are equipped at intervals in ring part, described The rim of a cup portion of perforation closes, the bottom opening of cup foot.

Preferably, the winding is three-phase star-like connection, and center line is not brought up, and only draws tri- ends A, B, C.

It is 2 coils per phase winding as further preferred scheme, each coil is formed by enamel covered wire continuous coiling.

Compared with prior art, the present invention has the advantages that：

It is the lubricant using gas as bearing because of gas turbine generator provided by the present invention, therefore not only there is nothing Pollution, many advantages, such as friction loss is low, usage time is long, applied widely, energy conservation and environmental protection, and the structure is used, it dissipates Thermal effect is good, it is ensured that long-time steady operation；Especially, because the air bearing of the structure can be realized under air supporting state Ultrahigh speed steady running (after tested, reachable 100, the limit speed of 000~450,000rpm), therefore wanted for equal-wattage Ask, the present invention can make the volume of gas turbine generator be substantially reduced realization micromation, have occupy little space, be easy to use etc. it is excellent Point has conspicuousness progress compared with the existing technology to promoting the development of micromation new and high technology to have important value.

Description of the drawings

Fig. 1 is a kind of cross-sectional view for ultrahigh speed gas turbine generator that embodiment 1 provides；

Fig. 2 is the left view dimensional structure diagram of the local segmentation for the slot type kinetic pressure gas journal bearing that embodiment 1 provides；

Fig. 3 is the A partial enlarged views in Fig. 2；

Fig. 4 is that the right side of the local segmentation for the slot type kinetic pressure gas journal bearing that embodiment 1 provides regards dimensional structure diagram；

Fig. 5 is the B partial enlarged views in Fig. 4；

Fig. 6 is the cross-sectional view for the hybrid kinetic pressure gas thrust bearing that embodiment 1 provides；

Fig. 7 a are the left views of mid-game described in embodiment 1；

Fig. 7 b are the right views of mid-game described in embodiment 1；

Fig. 8 a are the right views of the left hand plate for being fixed with foil-type elastic component described in embodiment 1；

Fig. 8 b are the left views of the right side disk for being fixed with foil-type elastic component described in embodiment 1；

Fig. 9 is the cross section structure schematic diagram for the foil-type elastic component that embodiment 1 provides；

Figure 10 is the dimensional structure diagram for the foil-type elastic component that embodiment 1 provides；

Figure 11 a are a kind of left view dimensional structure diagrams for hybrid kinetic pressure gas thrust bearing that embodiment 2 provides；

Figure 11 b are that the right side for the hybrid kinetic pressure gas thrust bearing that embodiment 2 provides regards dimensional structure diagram；

Figure 12 is the local segmentation dimensional structure diagram for the hybrid kinetic pressure gas thrust bearing that embodiment 2 provides；

Figure 13 is the left view dimensional structure diagram of mid-game described in embodiment 2；

Figure 14 is the C partial enlarged views in Figure 13；

Figure 15 is that the right side of mid-game described in embodiment 2 regards dimensional structure diagram；

Figure 16 is the D partial enlarged views in Figure 15；

Figure 17 is the rotor structure schematic diagram that embodiment 3 is provided；

Figure 18 is the core structure schematic diagram that embodiment 4 is provided；

Figure 19 is the structural schematic diagram of punching described in embodiment 4；

Figure 20 is the winding construction schematic diagram that embodiment 4 is provided；

Figure 21 is the inner shaft structural schematic diagram that embodiment 5 is provided；

Figure 22 is the E partial enlarged views in Figure 21；

Figure 23 is the dimensional structure diagram for the electric machine casing that embodiment 6 is provided；

Figure 24 is the F partial enlarged views in Figure 23.

Figure label is schematically as follows：

1, turbine；11, turbine；12, turbine fluid director of machine；13, turbine fluid director of machine shell；2, compressor；21, it presses Wheel；22, compressor housings；23, compressor diffuser；3, motor；31, rotor；311, rotor base；312, magnet steel；313, magnetic Steel protective case；32, stator；321, iron core；3211, punching；32111, cup-shaped is perforated；32111a, rim of a cup portion；32111b, cup foot； 3212, stator lasmination；3213, end clamp plate；322, winding；33, Inner axis；331, radiate helicla flute；34, outer shaft；35, motor casing Body；351, open slot；352, venthole；4, slot type kinetic pressure gas journal bearing；4a, left end journal bearing；4b, right end radial axle It holds；41, bearing outside；42, bearing inner sleeve；43, slot type decorative pattern；431, the slot type decorative pattern of outer circumference surface；4311, axial high-order Line；4312, axial neutrality line；4313, axial low-bit line；432, the slot type decorative pattern of left side；4321, radial high bit line；4322, Radial neutrality line；4323, radial low-bit line；433, the slot type decorative pattern of right side；4331, radial high bit line；4332, position in radial direction Line；4333, radial low-bit line；44, stop ring；5, hybrid kinetic pressure gas thrust bearing；51, side panel；511, left hand plate；512, right Side panel；513, card slot；52, mid-game；521, the slot type decorative pattern of left side；5211, radial high bit line；5212, radial neutrality line； 5213, radial low-bit line；522, the slot type decorative pattern of right side；5221, radial high bit line；5222, radial neutrality line；5223, diameter To low-bit line；523, the slot type decorative pattern of outer circumference surface；5231, axial high bit line；5232, axial neutrality line；5233, axial low level Line；53, foil-type elastic component；53a, the foil-type elastic component being fixed in left hand plate；53b, the foil-type elasticity being fixed on the disk of right side Part；531, wave foil；5311, arc convex；5312, transition bottom edge between wave arch；532, flat foil；6, combustion chamber；61, the shell of combustion chamber Body；7a, left radial axle bearing sleeve；7b, right radial axle bearing sleeve；8a, left bearing room end cap；8b, right bearing room end cap.

Specific implementation mode

Technical scheme of the present invention is described in detail with reference to the accompanying drawings and embodiments.

Embodiment 1

As shown in Figure 1：A kind of ultrahigh speed gas turbine generator provided in this embodiment, including turbine 1, compressor 2, electricity 3,2, the machine thrust bearing 5 of journal bearing 4,1 and combustion chamber 6, the turbine 1 include turbine 11, turbine fluid director of machine 12 and Turbine fluid director of machine shell 13, the compressor 2 include pinch roller 21, compressor housings 22 and compressor diffuser 23, the electricity Machine 3 includes rotor 31, stator 32, Inner axis 33, outer shaft 34 and electric machine casing 35；The journal bearing 4 is slot type kinetic pressure gas diameter To bearing, including bearing outside 41 and bearing inner sleeve 42；The thrust bearing 5 is hybrid kinetic pressure gas thrust bearing, including Two side panels 51 and the mid-game 52 being folded between two side panels, are equipped with foil-type bullet between each side panel 51 and mid-game 52 Property part 53；The rotor 31 is set in the middle part of Inner axis 33, and 2 journal bearings 4 are respectively sleeved at positioned at 31 left and right end of rotor On outer shaft 34, the thrust bearing 5 is set in the outer end side on the outer shaft 34 of right end and positioned at right end journal bearing 4b.

A kind of embodiment, the turbine 1 and compressor 2 are separately positioned on the both ends of Inner axis 33, and the combustion chamber 6 is set It sets at 1 end of turbine (as shown in fig. 1)；But such as lower structure can also be used：

The combustion chamber 6 is arranged at the middle part of inner shaft 33, and the turbine 1 and compressor 2 are separately positioned on Inner axis 33 Both ends are arranged in one end of Inner axis 33 back-to-back.

The ultrahigh speed gas turbine generator further includes left radial axle bearing sleeve 7a, left bearing room end cap 8a, right radial axle Bearing sleeve 7b and right bearing room end cap 8b, turbine fluid director of machine shell 13 are fixedly connected with left bearing room end cap 8a, left bearing room end Lid 8a is fixedly connected with left radial axle bearing sleeve 7a, and the shell 61 of combustion chamber 6 is fixedly connected with left radial axle bearing sleeve 7a, left radial axle Bearing sleeve 7a is fixedly connected with electric machine casing 35, and compressor housings 22 are fixedly connected with right bearing room end cap 8b, right bearing room end cap 8b is fixedly connected with right radial axle bearing sleeve 7b, and right radial axle bearing sleeve 7b is fixedly connected with electric machine casing 35.

In conjunction with shown in Fig. 2 to Fig. 5：The outer circumference surface of the bearing inner sleeve 42 and left and right end face all have regular shape Slot type decorative pattern 43 (431,432 and 433 in such as figure, the slot type decorative pattern in the present embodiment is impeller shape), and left side Slot type decorative pattern 432 and the slot type decorative pattern 433 of right side form mirror symmetry.Positioned at the slot type flower of the outer circumference surface of bearing inner sleeve 42 The radial profile of the axial profile line of line 431 and the slot type decorative pattern (432 and 433) of left and right end face is respectively formed one-to-one correspondence simultaneously Mutually handing-over, i.e.,：The slot type decorative pattern (432 of axial direction high bit line 4311 and left and right end face in the slot type decorative pattern 431 of outer circumference surface It is corresponding and mutually join before the peripheral chamfer of end face with the high bit line of radial direction (4321 and 4331) in 433)；Outer circumference surface Slot type decorative pattern 431 in axial neutrality line 4312 and left and right end face slot type decorative pattern (432 and 433) in radial neutrality line (4322 and 4332) are corresponding and mutually join before the peripheral chamfer of end face；Axial direction in the slot type decorative pattern 431 of outer circumference surface Low-bit line 4313 is corresponding with the radial low-bit line (4323 and 4333) in the slot type decorative pattern (432 and 433) of left and right end face, And mutually join before the peripheral chamfer of end face.

Slot type decorative pattern (431,432 and of regular shape are all had by the outer circumference surface and both ends of the surface that make bearing inner sleeve 42 433), the slot type decorative pattern 432 of left side forms the slot type decorative pattern of mirror symmetry and outer circumference surface with the slot type decorative pattern 433 of right side The radial profile of 431 axial profile line and the slot type decorative pattern (432 and 433) of left and right end face is respectively formed one-to-one correspondence and phase Mutually handing-over, it is ensured that pressurization gas caused by the slot type decorative pattern (432 and 433) of the impeller shape of both ends of the surface from axle center radially It is conveyed in the recess channels constantly formed toward the slot type decorative pattern 431 of outer circumference surface, the axis so that the stronger support of formation runs at high speed Required air film is held, and air film is the lubricant as kinetic pressure gas journal bearing, therefore it is advantageously implemented the slot type dynamic pressure High speed steady running of the gas lubricated journal bearing 4 under air supporting state.

In addition, when only ring 44 is respectively set at the both ends of bearing outside 41, it can be achieved that under the drive of revolution at a high speed axis, Make the both ends of the surface of bearing inner sleeve 42 and only between ring 44 generate self sealing action, keeps the kinetic pressure gas that slot type decorative pattern continuously generates complete It is closed well to be stored in the entire fit clearance of bearing, fully ensure that the lubrication of the kinetic pressure gas journal bearing to run at high speed needs It wants.

Fit clearance between the bearing outside 41 and bearing inner sleeve 42 is preferably 0.003~0.008mm, with further true Protect the reliability and stability that bearing runs at high speed.

As shown in Figure 6：A kind of hybrid kinetic pressure gas thrust bearing 5 provided in this embodiment, including：Two side panels 51, It is folded with mid-game 52 between two side panels 51, foil-type elastic component 53 is equipped between each side panel 51 and mid-game 52；In described The left side of disk 52 is equipped with the slot type decorative pattern 521 of regular shape, and right side is equipped with the slot type decorative pattern 522 of regular shape.

It is visible in conjunction with Fig. 7 a and Fig. 7 b：The slot type decorative pattern 521 of the left side of the mid-game 52 and the slot type decorative pattern of right side Mirror symmetry, the diameter of the radial profile of the slot type decorative pattern 521 of left side and the slot type decorative pattern 522 of right side are formed between 522 It is formed and is corresponded to contour line.

The slot type decorative pattern 521 is identical as 522 shape, is impeller shape in the present embodiment.

It is visible further combined with Fig. 8 a and Fig. 8 b：The foil-type elastic component 53 is fixed on the inner face of corresponding side panel 51 (such as be fixed with shown in Fig. 8 a foil-type elastic component 53a left hand plate 511 and Fig. 8 b shown in be fixed with foil-type elastic component 53b Right side disk 512), and the foil-type elastic component 53a being fixed in left hand plate 511 and be fixed on right side disk 512 on foil-type elasticity Part 53b forms mirror symmetry.Foil-type elastic component on each side panel can be multiple (being shown in the figure 4), and along side panel Inner face be uniformly distributed.

By the way that foil-type elastic component 53 is arranged between side panel 51 and mid-game 52, rule is set in the left and right end face of mid-game 52 The slot type decorative pattern (521 and 522) of shape, and the slot type decorative pattern 521 of left side is made to form mirror image with the slot type decorative pattern 522 of right side Symmetrically, to obtain the not only rigidity characteristic of the high limit rotating speed with slot type kinetic pressure gas thrust bearing but also with paillon formula The hybrid kinetic pressure gas thrust bearing of the high impact-resistance of kinetic pressure gas thrust bearing and the flexible characteristic of load-carrying ability；Cause Wedge shape space is formd between foil-type elastic component 53 and mid-game 52, when mid-game 52 rotates, viscous effect of the gas because of its own It is driven and is compressed in wedge shape space, so as to make axial hydrodynamic power been significantly enhanced, relative to existing simple foil Chip kinetic pressure gas thrust bearing can have the limit speed being multiplied under same load；Simultaneously as increasing foil-type Elastic component 53 can also make load-carrying ability, impact resistance and the ability of inhibition axis whirling motion of bearing notable under its elastic reaction It improves, relative to existing simple slot type kinetic pressure gas thrust bearing, can have the shock resistance being multiplied under same rotational speed Ability and load-carrying ability.

In conjunction with shown in Fig. 6 and Fig. 9, Figure 10：The foil-type elastic component 53 is made of 531 peace foil 532 of wave foil, the wave The top of the arc convex 5311 of foil 531 fits with flat foil 532, between the wave of the wave foil 531 arch transition bottom edge 5312 with it is right The inner face of side panel 51 is answered to fit.

To further decrease abrasion of the mid-game 52 to run at high speed to foil-type elastic component 53, to extend the use longevity of bearing Life, preferably in the mating surface of 52 matched foil-type elastic component 53 of mid-game be arranged wear-resistant coating (not shown).

Embodiment 2

As it can be seen that a kind of hybrid kinetic pressure gas thrust bearing provided in this embodiment in conjunction with shown in Figure 11 a, 11b, 12 to 16 With differing only in for embodiment 1：

It also is provided with slot type decorative pattern 523, and the shape of the slot type decorative pattern 523 of outer circumference surface in the outer circumference surface of the mid-game 52 (being impeller shape in the present embodiment) identical as the shape of slot type decorative pattern (521 and 522) of left and right end face and excircle The axial profile line of the slot type decorative pattern 523 in face and the radial profile of the slot type decorative pattern (521 and 522) of left and right end face are respectively formed It corresponds and mutually joins；I.e.：

The high bit line 5231 of axial direction in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 521 of left side High bit line 5211 is corresponding and mutually joins before the peripheral chamfer of end face；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 it is corresponding with the radial neutrality line 5212 in the slot type decorative pattern 521 of left side and before the peripheral chamfer of end face phase Mutually handing-over；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 521 of left side Bit line 5213 is corresponding and mutually joins (as shown in figure 14) before the peripheral chamfer of end face；

The high bit line 5231 of axial direction in the slot type decorative pattern 523 of outer circumference surface and the radial direction in the slot type decorative pattern 522 of right side High bit line 5221 is corresponding and mutually joins before the peripheral chamfer of end face；In axial direction in the slot type decorative pattern 523 of outer circumference surface Bit line 5232 it is corresponding with the radial neutrality line 5222 in the slot type decorative pattern 522 of right side and before the peripheral chamfer of end face phase Mutually handing-over；Axial low-bit line 5233 in the slot type decorative pattern 523 of outer circumference surface is low with the radial direction in the slot type decorative pattern 522 of right side Bit line 5223 is corresponding and mutually joins (as shown in figure 16) before the peripheral chamfer of end face.

When the outer circumference surface in the mid-game 52 also is provided with slot type decorative pattern, and make the shape of the slot type decorative pattern 523 of outer circumference surface Shape is identical as the shape of slot type decorative pattern (521 and 522) of left and right end face and the axial wheel of the slot type decorative pattern 523 of outer circumference surface It, can when the radial profile of profile and the slot type decorative pattern (521 and 522) of left and right end face is respectively formed one-to-one correspondence and mutually joins Make pressurization gas caused by the slot type decorative pattern (521 and 522) of inner disc both ends of the surface from axle center radially constantly toward outer circumference surface The recess channels that are formed of slot type decorative pattern 523 in convey so that formed it is stronger support the air film that runs at high speed needed for bearing, and gas Film is the lubricant as kinetic pressure gas thrust bearing, thus can be further assured that the hybrid kinetic pressure gas thrust bearing High speed steady running under air supporting state is further ensured that realize that the high limit rotating speed of motor provides.

The card slot 513 (as shown in figure 12) for fixing foil-type elastic component 53 is equipped on the inner face of side panel 51.

The foil-type elastic component 53 and the fit clearance of mid-game 52 are preferably 0.003~0.008mm, to further ensure that The reliability and stability that bearing runs at high speed.

In order to preferably meet the performance requirement to run at high speed, the foil-type elastic component 53 preferably through surface heat at Reason.

It is further to note that：During the composed structure of foil-type elastic component 53 of the present invention is not limited to the above embodiments It is described, wave foil peace foil can also be used to form, but transition bottom edge fits with flat foil between the wave arch of the wave foil, alternatively, directly It connects using two flat foil compositions, or using other existing structures.

Embodiment 3

In conjunction with shown in Fig. 1 and Figure 17：The rotor 31 includes rotor base 311, magnet steel 312 and magnet steel protective case 313, institute It states rotor base 311 to be set on Inner axis 33, the magnet steel 312 is set in the central part of rotor base 311, the magnet steel protection Set 313 is set on magnet steel 312, more preferably to meet ultrahigh speed rotation.

Embodiment 4

In conjunction with shown in Fig. 1 and Figure 18：The stator 32 includes iron core 321 and winding 322, and the iron core 321 is fixed in place On the inner wall of electric machine casing 35 above rotor 31, the winding 322 is arranged on iron core 321；The iron core 321 include by The stacked stator lasmination 3212 formed of about 3211 several punchings and the end clamp plate 3213 for being fixed on 3212 both sides of stator lasmination.

As shown in figure 19：The punching 3211 is in circular ring shape, and multiple cup-shaped perforation 32111, institute are equipped at intervals in ring part State the rim of a cup portion 32111a closings of perforation 32111, the bottom opening of cup foot 32111b.

As shown in figure 20：The winding 322 uses three-phase star-like connection, center line to be not brought up, and only draws tri- ends A, B, C Head；It is 2 coils per phase winding, each coil is formed by enamel covered wire continuous coiling.

Embodiment 5

In conjunction with shown in Figure 21 and Figure 22：Heat dissipation helicla flute 331 is offered on the surface of inner shaft 33, in favor of heat dissipation and to axis It holds room and carries out air supply.

Embodiment 6

In conjunction with shown in Figure 23 and Figure 24：Several open slots 351 are offered in the inner wall side of electric machine casing 35, in motor casing The end face of body offers several ventholes 352, and the open slot 351 is connected with venthole 352, in favor of gas importing and On the one hand export realizes that rapid cooling exhaust, another side are realized to carrying out air supply in bearing chamber.

After tested, bearing provided by the invention can reach 100 under air supporting state, and the limit of 000~450,000rpm turns Speed, therefore for equal-wattage requirement, the present invention can make the volume of gas turbine generator be substantially reduced realization micromation, to promoting The development that new and high technology is miniaturized has important value.

It is last it is necessarily pointed out that：The above content is served only for doing further in detail technical solution of the present invention Illustrate, should not be understood as limiting the scope of the invention, those skilled in the art's the above according to the present invention is made Some the nonessential modifications and adaptations gone out all belong to the scope of protection of the present invention.

Claims

1. a kind of ultrahigh speed gas turbine generator, including turbine, compressor, motor, 2 journal bearings, 1 thrust bearing and Combustion chamber, the turbine include turbine, turbine fluid director of machine and turbine fluid director of machine shell, the compressor include pinch roller, Compressor housings and compressor diffuser, the motor include rotor, stator, Inner axis and electric machine casing, and the rotor is set in The middle part of Inner axis；It is characterized in that：Further include outer shaft, 2 journal bearings are respectively sleeved at the outer shaft positioned at the left and right end of rotor On, the thrust bearing is set in the outer end side on the outer shaft of right end and positioned at right end journal bearing；The journal bearing is slot Formula kinetic pressure gas journal bearing, including bearing outside and bearing inner sleeve；The thrust bearing is hybrid dynamic pressure air thrust axis It holds, including two side panels and the mid-game that is folded between two side panels, foil-type bullet is equipped between each side panel and mid-game Property part；And heat dissipation helicla flute is offered on the surface of the inner shaft, offer several openings in the inner wall side of electric machine casing Slot offers several ventholes in the end face of electric machine casing, and the open slot is connected with venthole.

2. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The turbine and compressor difference It is arranged at the both ends of Inner axis, the combustion chamber is arranged in turbine end.

3. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The combustion chamber is arranged in inner shaft Middle part, the turbine and compressor are separately positioned on the both ends of Inner axis or are arranged back-to-back in one end of Inner axis.

4. ultrahigh speed gas turbine generator according to any one of claim 1 to 3, it is characterised in that：The superelevation Quick burning turbo-generator further includes left radial axle bearing sleeve and left bearing room end cap, turbine fluid director of machine shell and left bearing room end cap It is fixedly connected, left bearing room end cap is fixedly connected with left radial axle bearing sleeve, and the shell of combustion chamber is fixed with left radial axle bearing sleeve to be connected It connects, left radial axle bearing sleeve is fixedly connected with electric machine casing.

5. ultrahigh speed gas turbine generator according to claim 4, it is characterised in that：The ultrahigh speed combustion gas wheel power generation Machine further includes right radial axle bearing sleeve and right bearing room end cap, and compressor housings are fixedly connected with right bearing room end cap, right bearing room End cap is fixedly connected with right radial axle bearing sleeve, and right radial axle bearing sleeve is fixedly connected with electric machine casing.

6. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The outer circumference surface of the bearing inner sleeve The slot type decorative pattern of regular shape is all had with both ends of the surface.

7. ultrahigh speed gas turbine generator according to claim 6, it is characterised in that：The end face of the bearing inner sleeve Slot type decorative pattern and the slot type decorative pattern of other end formed the axial profile line of the slot type decorative pattern of mirror symmetry and outer circumference surface with The radial profile of the slot type decorative pattern of both ends of the surface, which is respectively formed, to be corresponded and mutually joins.

8. ultrahigh speed gas turbine generator according to claim 7, it is characterised in that：The outer circumference surface of the bearing inner sleeve Slot type decorative pattern in the high bit line of axial direction it is homogeneously corresponding with the high bit line of radial direction in the slot type decorative pattern of both ends of the surface and in end face circumference Mutually join before chamfering；Position in axial neutrality line in the slot type decorative pattern of outer circumference surface and the radial direction in the slot type decorative pattern of both ends of the surface Line is corresponding and mutually joins before the peripheral chamfer of end face；Axial low-bit line in the slot type decorative pattern of outer circumference surface and both ends Radial low-bit line in the slot type decorative pattern in face is corresponding and mutually joins before the peripheral chamfer of end face.

9. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The both ends of the surface of the mid-game are equipped with The slot type decorative pattern of regular shape, and the slot type decorative pattern of end face and the slot type decorative pattern of other end form mirror symmetry.

10. ultrahigh speed gas turbine generator according to claim 9, it is characterised in that：In the outer circumference surface of the mid-game It also is provided with slot type decorative pattern, and the shape of the slot type decorative pattern of outer circumference surface is identical as the shape of slot type decorative pattern of both ends of the surface, and outer The radial profile of the axial profile line of the slot type decorative pattern of periphery and the slot type decorative pattern of both ends of the surface is respectively formed one-to-one correspondence and phase Mutually handing-over.

11. ultrahigh speed gas turbine generator according to claim 10, it is characterised in that：The slot type of the outer circumference surface of mid-game The high bit line of axial direction in decorative pattern is homogeneously corresponding with the high bit line of radial direction in the slot type decorative pattern of both ends of the surface and before the peripheral chamfer of end face Mutually handing-over；Axial neutrality line in the slot type decorative pattern of outer circumference surface and the radial neutrality line in the slot type decorative pattern of both ends of the surface are homogeneous It corresponds to and mutually joins before the peripheral chamfer of end face；The slot of axial low-bit line and both ends of the surface in the slot type decorative pattern of outer circumference surface Radial low-bit line in formula decorative pattern is corresponding and mutually joins before the peripheral chamfer of end face.

12. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The foil being fixed on a side panel Type elastic component and the foil-type elastic component being fixed on another side panel form mirror symmetry.

13. the ultrahigh speed gas turbine generator according to claim 1 or 12, it is characterised in that：The foil-type elastic component It is made of wave foil peace foil, arc convex top and the flat foil of the wave foil fit.

14. the ultrahigh speed gas turbine generator according to claim 1 or 12, it is characterised in that：The foil-type elastic component It is made of wave foil peace foil, transition bottom edge fits with flat foil between the wave arch of the wave foil.

15. the ultrahigh speed gas turbine generator according to claim 1 or 12, it is characterised in that：The foil-type elastic component It is made of two flat foils.

16. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The rotor include rotor base, Magnet steel and magnet steel protective case, the rotor base are set on Inner axis, and the magnet steel is set in the central part of rotor base, described Magnet steel protective case is set on magnet steel.

17. ultrahigh speed gas turbine generator according to claim 1, it is characterised in that：The stator include iron core and around Group, the iron core are fixed on the inner wall of the electric machine casing above rotor, and the winding is arranged on iron core.

18. ultrahigh speed gas turbine generator according to claim 17, it is characterised in that：The iron core includes by several punchings Piece is stacked the stator lasmination formed and the end clamp plate for being fixed on stator lasmination both sides up and down；The punching is in circular ring shape, in annular Portion is equipped at intervals with multiple cup-shaped perforation, the rim of a cup portion closing of the perforation, the bottom opening of cup foot.

19. ultrahigh speed gas turbine generator according to claim 17, it is characterised in that：The winding is the star-like company of three-phase It connects, center line is not brought up, and only draws tri- ends A, B, C.

20. ultrahigh speed gas turbine generator according to claim 19, it is characterised in that：It is 2 coils per phase winding, often A coil is formed by enamel covered wire continuous coiling.