CN107733162B - The non-contact self circulation cooling device of high speed permanent magnet motor rotor - Google Patents
The non-contact self circulation cooling device of high speed permanent magnet motor rotor Download PDFInfo
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- CN107733162B CN107733162B CN201711021561.XA CN201711021561A CN107733162B CN 107733162 B CN107733162 B CN 107733162B CN 201711021561 A CN201711021561 A CN 201711021561A CN 107733162 B CN107733162 B CN 107733162B
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- oil inlet
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- permanent magnet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Abstract
The present invention proposes a kind of non-contact self circulation cooling device of high speed permanent magnet motor rotor, including oil inlet wheel disc, microtubular, contactless collection system and self-circulation cooling system, the front of oil inlet wheel disc is equipped with oil fuel tube, oil inlet wheel disc rear portion is fixed on shaft I and rotor, oil inlet wheel disc rear portion is connected with microtubular, sheath introversion is tiltedly provided with several microtubulars, the end of microtubular is equipped with contactless collection system, and the lower part of contactless collection system is connected by conduction pipe with self-circulation cooling system；Self-circulation cooling system includes self-circulation power device and fuel reserve tank.The present invention makes circulation of the oil cooling medium in sheath cool down using rotor centrifugal force powerful under high speed rotation, does not need additional power plant, and the centrifugal force and own torque power that are generated by high-speed electric expreess locomotive itself rotation realize the cycle of oil cooling medium；Using the contactless oil inlet and fuel-displaced mode sealed without spin, the problem of rotor cooling medium rotatory sealing hardly possible is evaded.
Description
Technical field
The present invention relates to the technical fields of high-speed permanent magnet motor self-loopa rotor oil cooling device, and in particular to a kind of high speed is forever
The non-contact self circulation cooling device of magneto rotor.
Background technology
For high-speed electric expreess locomotive since rotating speed is higher, small and unit energy density is big, generally produces more heat in operation
Amount, high temperature easily cause circuit and burn or permanent magnet high temperature loss of excitation, while rotor temperature rise is to limit high-speed permanent magnet motor capacity again
Key element, therefore radiator effective enough is extremely important to high-speed electric expreess locomotive.But use more liquid cooling mode more at present
For stator water-cooling or oil cooling device, the Wen Sheng of stator winding generation can be effectively reduced, but is had very much to the cooling-down effect of rotor
Limit, and since rotor is in high speed rotation state in the process of running, can have that rotatory sealing is inadequate to ask using rotor liquid cooling
Topic, reliability are relatively low.Therefore the measure to be cooled down to rotor by way of rotor liquid cooling is very rare, and rotor temperature rise is larger
The problem of be difficult to effectively be solved.
Invention content
For existing high-speed permanent magnet motor liquid cooling mode to rotor cooling-down effect unobvious, the low technical problem of reliability,
The present invention proposes a kind of non-contact self circulation cooling device of high speed permanent magnet motor rotor, may be implemented to high speed permanent magnet motor rotor
Direct cooling, while evaded rotor cooling medium rotatory sealing hardly possible problem, by using contactless oil inlet and go out
Oily mode increases the reliability of system.
In order to achieve the above object, the technical scheme is that：A kind of non-contact self-loopa of high speed permanent magnet motor rotor
Cooling device, including oil inlet wheel disc, microtubular, contactless collection system and self-circulation cooling system, the front of oil inlet wheel disc
Equipped with oil fuel tube, the rear portion of oil inlet wheel disc is fixed on shaft I and rotor, and the rear portion of oil inlet wheel disc is connected with microtubular, shield
Set introversion is tiltedly provided with several microtubulars, and the end of microtubular is equipped with contactless collection system, contactless collection system
The lower part of system is connected by conduction pipe with self-circulation cooling system；The self-circulation cooling system includes self-circulation power device
And fuel reserve tank, self-circulation power device are arranged at the rear of shaft I, self-circulation power device is connected with fuel reserve tank, fuel reserve tank
Interior to be connected equipped with radiator, fuel reserve tank is connected by flow control valve with oil fuel tube.
The oil inlet wheel disc is hollow round platform, and oil inlet wheel disc includes oil inlet table top and oil inlet disk, oil inlet table top and into
Side is equipped between oily disk；The shaft I passes through the middle part of oil inlet table top, shaft I to pass through first rotating shaft through-hole by through-hole I
Across the middle part of oil inlet disk, oil inlet disk is fixed in shaft I；The middle part of the oil inlet table top is equipped with through-hole I, through-hole I
Diameter is more than the diameter of shaft I, and oil fuel tube is arranged in through-hole I.
The circumferential exterior of the oil inlet disk is equipped with the aperture to match with microtubular, the quantity of aperture and the number of microtubular
Measure identical, aperture is connected with microtubular.
Several minitype flabellums on the madial wall of the side；The minitype flabellum is evenly distributed on the madial wall of side
On, the height of minitype flabellum is no more than aperture at a distance from the excircle of oil inlet disk.
The microtubular is made of rigid material, and the port of microtubular both sides has difference in height, microtubular and oil inlet wheel disc
Connected side port position is relatively low, and the other side port position of microtubular is higher, and microtubular is formed in vertical direction
One inclination angle.
The contactless collection system includes non-contact collection disk, and the non-contact middle part for collecting disk is equipped with second turn
Shaft through-hole, non-contact collection disk are fixed on end cap；The non-contact collection disk excircle, which is equipped with, collects outer, non-to connect
It touches to collect and is equipped with sponge between disk and collection outer；The lower part for collecting outer is tilted to end cap direction, non-contact collection
The bottom of disk is equipped with circular hole, and circular hole is connected by conduction pipe with self-circulation power device.
The conduction pipe is U-shaped conduction pipe, and the conduction pipe being connected with circular hole is first rear upward downwards, passes through law of connected vessels
Form closing liquid level.
The self-circulation power device includes shaft II, permanent magnet II, bearing and impeller, and shaft II is horizontally set on shaft
I dead astern, shaft II are arranged in bearing, and the side of II front of shaft is equipped with permanent magnet II, the rear side of shaft I be equipped with forever
The permanent magnet III that magnet II is coupled；II rear portion of shaft is equipped with the impeller of spiral, and impeller is located at the rear with conduction pipe junction.
The front side at the turning of the oil guide pipe at the impeller rear is equipped with pawl.
Its working principle is that：Oil cooling medium in fuel reserve tank is injected into oil tanker disk, oil inlet by the way that oil fuel tube is touchless
Wheel disc is rotated with shaft I, and the minitype flabellum on oil inlet wheel disc makes the oil cooling medium in rotation in the circumferencial direction of oil inlet wheel disc
It is evenly distributed, oil cooling medium enters the microtubular in sheath by the aperture on oil inlet disk；There is height into both sides port
The oil cooling medium of the microtubular of difference makes oil cooling under the action of the centrifugal force by power radially by the horizontal component of centrifugal force
Medium leads to the other side from oil inlet side, makes miniature conducting Bottomhole pressure of the oil cooling medium in sheath, realizes unpowered device
Fluid flows；Sponge in contactless collection system is collected the oil cooling medium taken out of in rotor, the oil that sponge absorbs
Cold medium concentrates on the non-contact lower section for collecting disk and then is delivered to conduction pipe under the effect of gravity, and conduction pipe passes through linker
Principle forms closing liquid level；Under the drive in the magnetic field that the permanent magnet I of rotation shaft of high-speed motor I generates, self-circulation power device
Shaft II rotates together with high-speed electric expreess locomotive, and the impeller drive air of spiral is drawn towards the outside of conduction pipe, due to U-shaped conduction pipe
Place forms closing liquid level, and oil cooling medium is pushed by oil guide pipe to fuel reserve tank under the action of pressure difference, passes through radiator
It is delivered to oil fuel tube after heat dissipation, realizes the cycle of oil cooling medium.
The present invention is not need the contactless rotor oil cooling structure of rotatory sealing, is not needing contact rotatory sealing
Under the premise of realize from rotor oil inlet, and keep oil cooling medium logical in sheath using rotor centrifugal force powerful under high speed rotation
It circulates in oil pipe, the oil cooling medium of outflow is recycled by contactless acquisition disk, and will by self-circulation power device
The oil cooling medium of collection is pushed in fuel reserve tank, realizes the cycle of oil cooling medium；Additional power plant is not needed, by high speed
Centrifugal force and own torque power that motor itself rotation generates realize the cycle of oil cooling medium.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the complete layout of the present invention.
Fig. 2 is the structure chart of rotor portion of the present invention.
Fig. 3 is the structure chart of oil inlet wheel disc of the present invention.
Fig. 4 is the layout drawing of microtubular of the present invention.
Fig. 5 is the structural schematic diagram of the contactless collection system of the present invention.
Fig. 6 is the connection figure of the present invention contactless collection system and self-circulation cooling system.
Fig. 7 is the structural schematic diagram of self-circulation power device of the present invention.
In figure, 1 is fuel reserve tank, and 2 be rotor, and 21 be shaft I, and 24 be sheath, and 25 be permanent magnet I, and 26 be rotor core, 27
It is end cap for microtubular, 3,4 be self-circulation power device, and 41 be shaft II, and 42 be permanent magnet II, and 43 be reinforcing joint, and 44 are
Bearing, 45 be impeller, and 46 be pawl, and 5 be contactless collection system, and 51 be non-contact collection disk, and 52 be to collect outer, 53
It is the second rotary shaft through hole for circular hole, 54,55 be sponge, and 6 be oil inlet wheel disc, and 61 be first rotating shaft through-hole, and 62 be aperture, and 63 be micro-
Type flabellum, 64 be oil inlet table top, and 65 be oil inlet disk, and 67 be through-hole I, and 7 be flow control valve, and 8 be radiator, and 9 be conduction pipe, 10
It is oil fuel tube for stator, 11,12 be casing.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the non-contact self circulation cooling device of a kind of high speed permanent magnet motor rotor, including it is oil inlet wheel disc 6, micro-
Conduit 27, contactless collection system 5 and self-circulation cooling system, 6 front of oil inlet wheel disc are connected with oil fuel tube 11, oil fuel tube
11 gap between wheel disc and shaft is pierced by, and is non-contact oil inlet.The rear portion of oil inlet wheel disc 6 is fixed in shaft I 21, motor
When operation, oil inlet wheel disc 6 is rotated with the rotation of shaft I 21, so that oil cooling medium is entered rotor 2 by oil inlet wheel disc 6.Rotor
2 outsides are equipped with stator 10, and rotor 2 and stator 10 are arranged in casing 12.The rear portion of oil inlet wheel disc 6 is connected with microtubular 27,
24 introversion of sheath is tiltedly provided with several microtubulars 27, and microtubular 27 is laid on the centre of sheath 24.Microtubular 27 is in oil inlet
The port of side closer to rotor circumference direction inside, the fuel-displaced side ports of microtubular 27 in a circumferential direction more outward, and
On circumferencial direction in sheath 24 there is certain angle to tilt, oil cooling medium enable to stop the longer time in rotor 2,
Expand heat dissipation range.Microtubular 27 is centered around the outside of the permanent magnet I 25 of rotor 2, i.e., in sheath 24, the oil cooling of microtubular 27 is situated between
The heat generated in confrontation permanent magnet I 25 and sheath 24 is collected.The end of microtubular 27 is equipped with contactless collection system,
Realization carries out the oil cooling medium after heat absorption contactless soft collection.The lower part of contactless collection system 5 passes through conduction pipe 9
It is connected with self-circulation cooling system.Self-circulation cooling system includes self-circulation power device 4 and fuel reserve tank 1, self-circulation power
Device 4 is arranged at the rear of shaft I 21, drives self-circulation power device 4 to work by the magnetic field of rotor and realizes to oil cooling medium
Promotion and conveying.Self-circulation power device 4 is connected by oil guide pipe with fuel reserve tank 1, and 1 inner surface of fuel reserve tank is equipped with heat dissipation and fills
8 are set, fuel reserve tank 1 is connected by flow control valve 7 with oil fuel tube 11.Fuel reserve tank 1 is arranged in the upper of 4 other side of self-circulation power device
Portion, oil guide pipe can carry out part heat dissipation to the oil cooling medium in it.Radiator 8 is cooling fin, is situated between to the oil cooling after heat absorption
Matter is cooled down, and flow control valve 7 can control the flow velocity of oil cooling medium.
As shown in figure 3, oil inlet wheel disc 6 is hollow round platform, oil cooling medium can be accumulated.Oil inlet wheel disc 6 includes into tank deck
The area of face 64 and oil inlet disk 65, oil inlet table top 64 is less than oil inlet disk 65, is set between oil inlet table top 64 and oil inlet disk 65
There is side 66.The shaft I 21 passes through the middle part of oil inlet table top 64, shaft I 21 to pass through first rotating shaft through-hole 61 by through-hole I 67
Across the middle part of oil inlet disk 65, oil inlet disk 65 is fixed in shaft I 21.The middle part of the oil inlet table top 64 is equipped with through-hole I
67, the diameter of through-hole I 67 is more than the diameter of shaft I 21, and oil fuel tube 11 is arranged in through-hole I 67.At the edge of through-hole I 67 and turn
Larger gap is formed between axis I 21, oil inlet table top 64 does not influence the rotation of shaft I 21, oil fuel tube can be passed through in gap, i.e.,
Oil fuel tube 11 passes through between the lower edge and shaft I 21 of oil inlet wheel disc 6, is not in contact with shaft I 21 and oil inlet wheel disc 6,
Realization makes oil fuel tube 11 carry out contactless oiling into oil inlet wheel disc 6.Meanwhile oil inlet table top 64 there are edge should not be too low,
Guarantee to store certain oil mass.
The circumferential exterior of oil inlet disk 65 is equipped with the aperture 62 to match with microtubular 27, the quantity and microtubular of aperture 62
27 quantity is identical, and aperture 62 is connected with microtubular 27.The oil cooling medium being passed through under high speed rotation due to centrifuging force effect
It concentrates in aperture 62 to make in oil cooling medium injection microtubular 27.
Several minitype flabellums 63 on the madial wall of side 66；The minitype flabellum 63 is evenly distributed on the inside of side 66
On wall, for minitype flabellum 63 between different apertures 62, the height of minitype flabellum 63 is no more than aperture 62 and oil inlet disk 65
The distance of excircle.When due to motor operation high speed rotation generate centrifugal force make the oil cooling medium in oil inlet wheel disc concentrate on into
Oil cooling medium is divided into uniform several pieces by the outside of 6 circumference of oil tanker disk, minitype flabellum 63, aperture 62 can be assisted into
Oil makes the oil cooling medium in rotation be more uniformly spread in the circumferencial direction of oil inlet wheel disc 6.
With normal high-speed electric expreess locomotive indifference in addition to sheath, the oil cooling under oil pressure effect in oil inlet wheel disc 6 is situated between rotor structure
Matter enters in the microtubular 27 in sheath.As shown in figure 4, microtubular 27 is made of rigid material, the port of 27 both sides of microtubular
With difference in height, the side port position that microtubular 27 is connected with oil inlet wheel disc 6 is relatively low, another side ports of microtubular 27
Position is higher, and microtubular 27 forms an inclination angle in vertical direction.When motor operates, the centrifugal force that high speed rotation generates makes
Oil cooling medium in oil inlet wheel disc 6 concentrates on the outside of circumference, and the oil cooling medium of oil inlet wheel disc 6 enters under liquid pressure effect
In microtubular 27 in sheath.Into microtubular 27 oil cooling medium under the action of the centrifugal force by power radially, due to
There is difference in height, the centrifugal force of oil cooling medium can pass through centrifugal force there are one horizontal component for the port of logical oil conduction pipe both sides
Horizontal component makes oil cooling medium lead to the other side from oil inlet side, makes flowing in microtubular 27 of the oil cooling medium in sheath, realizes
The fluid of unpowered device flows.
When the oil cooling medium in miniature conduction pipe in sheath is sent under the action of the centrifugal force to the other side, use is contactless
Collection system collects oil cooling medium.As shown in Figure 2, Figure 5 and Figure 6, contactless collection system 5 includes non-contact collection disk
51, the non-contact middle part for collecting disk 51 is equipped with the second rotary shaft through hole 54, and non-contact collection disk 51 is fixed on motor tail portion
On end cap 3, non-contact collection disk 51 is not also in contact with rotor 2 with the rotation of rotor 2.Non-contact 51 outer circle of collection disk
It is equipped in week and collects outer 52, the non-contact inner surface collected disk 51 and collected between outer 52 is equipped with sponge 55, sea
The oil cooling medium taken out of in continuous 55 pairs of rotors 2 carries out soft collection, prevents splash.It collects the very thin thickness of outer 52 and stretches to gas
In gap, the lower part for collecting outer 52 is tilted to 3 direction of end cap, forms the collection that groove facilitates coolant liquid, non-contact collection disk
51 bottom is equipped with circular hole 53, and circular hole 53 is connected by conduction pipe 9 with self-circulation power device 4.The oil cooling that sponge 55 absorbs
Medium concentrates on the non-contact lower section for collecting disk 51 under the effect of gravity, so that oil cooling medium is conducted to outside motor by conduction pipe 9
Portion.
Conduction pipe 9 is U-shaped conduction pipe, first rear upward downwards with the conduction pipe 9 of circular hole 53, is formed and is sealed by law of connected vessels
Close liquid level.Conduction pipe 9 starts lateral conducting in I 21 equal-height position of shaft with high-speed electric expreess locomotive, continue after lateral certain distance to
On, self-circulation power device 4 is housed in the lateral part.
As shown in fig. 7, self-circulation power device 4 includes shaft II 41, permanent magnet II 42, bearing 44 and impeller 45, shaft
II 41 are horizontally set on the dead astern of shaft I 21, contour with shaft I 21, and the position of shaft II 41 and shaft I 21 are relatively close.Shaft
II 41 are arranged in bearing 44, and the quantity of bearing 44 is equipped with 2, and 44 countershaft II 41 of bearing carries out rotation support, while oil cooling
Medium also has bearing 44 certain lubricating action.Bearing 44 and shaft II 41 are arranged in reinforcing joint 43.Shaft II 41
Front is equipped with permanent magnet II 42, and permanent magnet II 42 is pasted onto the side of the shaft II 41 close to high-speed electric expreess locomotive side.Shaft I 21
Rear side is equipped with the permanent magnet III 47 being coupled with permanent magnet II 42, and III 47 one end of permanent magnet is fixed on the inside of shaft I 21, high speed
The permanent magnet III 47 of the end of the shaft I 21 of machine shaft drives permanent magnet II 42 to generate magnetic field, and self-circulation power device turns
Axis II 41 is also rotated with high-speed electric expreess locomotive together.II 41 rear portion of shaft is equipped with the impeller 45 of spiral, and impeller 45 is located to be connected with conduction pipe 9
Connect the rear at place.Air is drawn towards the outside of conduction pipe 9 under the drive of impeller 45, due to forming closing at U-shaped conduction pipe 9
Liquid level, oil cooling medium is pushed in conduction pipe 9 to fuel reserve tank 1 under the action of pressure difference, realizes the cycle of oil cooling medium.
The turning of the oil guide pipe at 45 rear of impeller is that the front side of lateral oil guide pipe and the intersection of longitudinal oil guide pipe is equipped with
The direction of pawl 46, pawl 46 is that the high left side in right side is low, and the height of pawl 46 is smaller, prevents from rushing what oil guide pipe corner was formed
Hit reflux.So that oil cooling medium is flowed into oil inlet wheel disc 6 once again by oil guide pipe below oil storage barrel, disposes flow control valve 7 to control on oil guide pipe
The flow velocity of liquefaction cold medium with cut-off, so that oil cooling medium is come back in oil inlet wheel disc 6, realize oil cooling medium cycle.
Its working principle is that：Oil cooling medium in fuel reserve tank 1 is injected into oil tanker disk 6 by the way that oil fuel tube 11 is touchless,
Oil inlet wheel disc 6 is rotated with shaft I 21, and the minitype flabellum 63 on oil inlet wheel disc 6 makes the oil cooling medium in rotation in oil inlet wheel disc 6
Circumferencial direction be evenly distributed, oil cooling medium enters the microtubular 27 in sheath by aperture 62 on oil inlet disk 65；Into
Both sides port has the oil cooling medium of the microtubular 27 of difference in height under the action of the centrifugal force by power radially, passes through centrifugation
The horizontal component of power makes oil cooling medium lead to the other side from oil inlet side, and oil cooling medium is made to be flowed in the miniature conduction pipe in sheath
It is dynamic, realize the fluid flowing of unpowered device；Sponge in contactless collection system 5 to the oil cooling medium taken out of in rotor into
Row is collected, and the oil cooling medium that sponge absorbs concentrates on the non-contact lower section for collecting disk 51 and then be delivered to lead under the effect of gravity
Siphunculus 9, conduction pipe 9 form closing liquid level by law of connected vessels；In the magnetic that the permanent magnet I 25 of rotation shaft of high-speed motor I 21 generates
Under the drive of field, the shaft II 41 of self-circulation power device 4 rotates together with high-speed electric expreess locomotive, and the impeller 45 of spiral drives air quilt
The outside for pumping to conduction pipe 9, due to forming closing liquid level at U-shaped conduction pipe 9, oil cooling medium passes through under the action of pressure difference
Oil guide pipe is pushed to by oil guide pipe and is pushed to fuel reserve tank 1, and oil fuel tube 11 is delivered to after radiating by radiator 8, real
The cycle of existing oil cooling medium.
The present invention utilizes centrifugal force powerful under high speed rotor of motor high speed rotation, by oil inlet wheel disc oil inlet, and is protecting
Circulating without pressure difference for cooling liquid is realized in set in microtubular, rotor oiling cooling is realized, overcomes and be difficult to high-speed rotating
Rotor realizes the problem of directly cooling down, and by contactless oil cooling medium recovery device, is realized in conjunction with circulating cooling system cold
But the self-loopa of system, while water cooling or oil cooling mode contactless in the present invention has avoided high speed compared with rotary sealing type
Under rotation the problem of sealing unreliability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of non-contact self circulation cooling device of high speed permanent magnet motor rotor, it is characterised in that：Including oil inlet wheel disc（6）, it is micro-
Conduit（27）, contactless collection system（5）And self-circulation cooling system, oil inlet wheel disc（6）Front be equipped with oil fuel tube（11）,
Oil inlet wheel disc（6）Rear portion be fixed on shaft I（21）And rotor（2）On, oil inlet wheel disc（6）Rear portion and microtubular（27）It is connected
It connects, sheath（24）Introversion is tiltedly provided with several microtubulars（27）, microtubular（27）End equipped with contactless collection be
System, contactless collection system（5）Lower part pass through conduction pipe（9）It is connected with self-circulation cooling system；The self-circulation cold
But system includes self-circulation power device（4）And fuel reserve tank（1）, self-circulation power device（4）It is arranged in shaft I（21）After
Side, self-circulation power device（4）With fuel reserve tank（1）It is connected, fuel reserve tank（1）Inner surface is equipped with radiator（8）, fuel reserve tank
（1）Pass through flow control valve（7）With oil fuel tube（11）It is connected.
2. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 1, which is characterized in that described
Oil inlet wheel disc（6）For hollow round platform, oil inlet wheel disc（6）Including oil inlet table top（64）With oil inlet disk（65）, oil inlet table top
（64）With oil inlet disk（65）Between be equipped with side（66）；The shaft I（21）Pass through through-hole I（67）Across oil inlet table top（64）
Middle part, shaft I（21）Pass through first rotating shaft through-hole（61）Across oil inlet disk（65）Middle part, oil inlet disk（65）It is fixed on
Shaft I（21）On；The oil inlet table top（64）Middle part be equipped with through-hole I（67）, through-hole I（67）Diameter be more than shaft I（21）
Diameter, oil fuel tube（11）It is arranged in through-hole I（67）It is interior.
3. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 2, which is characterized in that described
Oil inlet disk（65）Circumferential exterior be equipped with and microtubular（27）The aperture to match（62）, aperture（62）Quantity and microtubular
（27）Quantity it is identical, aperture（62）With microtubular（27）It is connected.
4. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 3, which is characterized in that described
Side（66）Madial wall on have several minitype flabellums（63）；The minitype flabellum（63）It is evenly distributed on side（66）'s
On madial wall, minitype flabellum（63）Height be no more than aperture（62）With oil inlet disk（65）Excircle distance.
5. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 1, which is characterized in that described
Microtubular（27）It is made of rigid material, microtubular（27）The port of both sides has difference in height, microtubular（27）With oil inlet wheel disc
（6）Connected side port position is relatively low, microtubular（27）Other side port position it is higher, microtubular（27）Vertical
Side is upwardly formed an inclination angle.
6. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 1, which is characterized in that described
Contactless collection system（5）Including non-contact collection disk（51）, non-contact collection disk（51）Middle part be equipped with second turn
Shaft through-hole（54）, non-contact collection disk（51）It is fixed on end cap（3）On；The non-contact collection disk（51）It is set on excircle
There is collection outer（52）, non-contact collection disk（51）With collection outer（52）Between be equipped with sponge；The collection outer（52）
Lower part to end cap（3）Direction tilts, non-contact collection disk（51）Bottom be equipped with circular hole（53）, circular hole（53）Pass through conducting
Pipe（9）With self-circulation power device（4）It is connected.
7. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 6, which is characterized in that described
Conduction pipe（9）For U-shaped conduction pipe, with circular hole（53）The conduction pipe being connected（9）It is first rear upward downwards, pass through law of connected vessels shape
At closing liquid level.
8. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 1, which is characterized in that described
Self-circulation power device（4）Including shaft II（41）, permanent magnet II（42）, bearing（44）And impeller（45）, shaft II（41）Water
It is flat to be arranged in shaft I（21）Dead astern, shaft II（41）It is arranged in bearing（44）It is interior, shaft II（41）The side of front is equipped with
Permanent magnet II（42）, shaft I（21）Rear side be equipped with and permanent magnet II（42）The permanent magnet III being coupled（47）；Shaft II（41）
Rear portion is equipped with the impeller of spiral（45）, impeller（45）It is located at and conduction pipe（9）The rear of junction.
9. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to claim 8, which is characterized in that described
Impeller（45）The front side at the turning of the oil guide pipe at rear is equipped with pawl（46）.
10. the non-contact self circulation cooling device of high speed permanent magnet motor rotor according to any one of claim 5-8,
It is characterized in that, its working principle is that：Oil inlet wheel disc（6）Including oil inlet disk（65）, contactless collection system（5）It is connect including non-
It touches and collects disk（51）, fuel reserve tank（1）Interior oil cooling medium passes through oil fuel tube（11）It is touchless to be injected into oil tanker disk（6）,
Oil inlet wheel disc（6）With shaft I（21）Rotation, oil inlet wheel disc（6）On minitype flabellum（63）The oil cooling medium in rotation is set to exist
Oil inlet wheel disc（6）Circumferencial direction be evenly distributed, oil cooling medium passes through oil inlet disk（65）On aperture（62）Into in sheath
Microtubular（27）；There is the microtubular of difference in height into both sides port（27）Oil cooling medium under the action of the centrifugal force by diameter
To power outwardly, so that oil cooling medium is led to the other side from oil inlet side by the horizontal component of centrifugal force, make oil cooling medium in sheath
In miniature conducting Bottomhole pressure, realize unpowered device fluid flowing；Contactless collection system（5）Interior sponge is to turning
The oil cooling medium taken out of in son is collected, and the oil cooling medium that sponge absorbs concentrates on non-contact collection disk under the effect of gravity
（51）Lower section so that be delivered to conduction pipe（9）, conduction pipe（9）Closing liquid level is formed by law of connected vessels；In high-speed electric expreess locomotive
Shaft I（21）Permanent magnet I（25）Under the drive in the magnetic field of generation, self-circulation power device（4）Shaft II（41）With high speed
Motor rotates together, the impeller of spiral（45）Air is driven to be drawn towards conduction pipe（9）Outside, due to U-shaped conduction pipe（9）Place
Closing liquid level is formed, oil cooling medium is pushed by oil guide pipe to fuel reserve tank under the action of pressure difference（1）, pass through radiator
（8）Oil fuel tube is delivered to after heat dissipation（11）, realize the cycle of oil cooling medium.
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| CN109162185A (en) * | 2018-09-20 | 2019-01-08 | 三汽车制造有限公司 | Milling and planing drum roller, milling and planing drum and milling machine |
| CN109660046A (en) * | 2019-01-21 | 2019-04-19 | 浙江飞旋科技有限公司 | High-speed high-power motor durface mounted permanent magnet rotor with medium |
| CN109741901B (en) * | 2019-02-20 | 2021-01-15 | 天津邦特磁性材料有限公司 | Neodymium iron boron magnet with good heat resistance effect |
| CN111306200B (en) * | 2020-03-16 | 2021-09-28 | 威海化工机械有限公司 | Magnetic coupling transmission sealing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6416238A (en) * | 1987-07-09 | 1989-01-19 | Fanuc Ltd | Method of cooling motor |
| JP4673911B2 (en) * | 2008-08-12 | 2011-04-20 | トヨタ自動車株式会社 | Rotating electric machine and rotating electric machine cooling system |
| CN101951070A (en) * | 2010-08-13 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Magnetic steel cooling structure for electric vehicle permanent magnet motor and cooling method thereof |
| CN102185422A (en) * | 2011-04-29 | 2011-09-14 | 上海中科深江电动车辆有限公司 | Cooling device of permanent magnetic motor winding |
| CN203119699U (en) * | 2013-01-22 | 2013-08-07 | 西安正麒电气有限公司 | A motor cooling system |
| WO2016206342A1 (en) * | 2015-06-23 | 2016-12-29 | 戴杰 | Self-circulation liquid-cooled permanent magnet motor |
| CN105529874B (en) * | 2016-02-25 | 2019-06-18 | 珠海格力电器股份有限公司 | A kind of high-speed permanent magnet motor temperature-detecting device |
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