CN114726151A - High efficiency disk motor - Google Patents
High efficiency disk motor Download PDFInfo
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- CN114726151A CN114726151A CN202210329381.2A CN202210329381A CN114726151A CN 114726151 A CN114726151 A CN 114726151A CN 202210329381 A CN202210329381 A CN 202210329381A CN 114726151 A CN114726151 A CN 114726151A
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 114
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 238000004804 winding Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000110 cooling liquid Substances 0.000 claims abstract description 32
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- 239000002826 coolant Substances 0.000 claims 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
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- 230000001105 regulatory effect Effects 0.000 description 23
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention discloses a high-efficiency disc type motor, which comprises a water-cooling end cover, a high-heat-conduction stator component and an anti-vibration rotor component, two ends of the anti-vibration rotor component can be rotatably arranged in the end cover, the high heat conduction stator component is fixed in the water-cooling end cover, the high heat conduction stator assembly comprises a stator core, a winding coil and a sealing heat conduction mechanism, a plurality of stator core tooth parts are arrayed on the surface of the stator core along the circumferential direction, the winding coil is arranged on the tooth part of the stator core, the sealing heat conduction mechanism is arranged between the water-cooling end cover and the stator core, a cooling loop is arranged inside the water-cooling end cover, a strong heat exchange area is arranged at the back position of each winding coil corresponding to the cooling loop, a cooling liquid connecting box is arranged outside the water-cooling end cover, and a cooling liquid inlet and a cooling liquid outlet are arranged in the cooling liquid connecting box; through the design of anti-shake and improvement heat dissipation two aspects, improve disc motor's work efficiency.
Description
Technical Field
The invention relates to a disc motor, in particular to a high-efficiency disc motor.
Background
Different from the radial magnetic field of the traditional cylindrical motor, the disc type motor has the advantages that the air gap is planar, the air gap magnetic field is axial, the disc type motor has the characteristics of short axial size, light weight, simple structure, flexibility in control and the like, and meanwhile, the disc type motor has the advantages of high power/volume ratio, high power factor, small required inverter capacity and the like, is a motor with wide application, inevitably generates heat in the operation process of the disc type motor, a cooling flow channel is usually arranged on a shell of the disc type motor, and circulating cooling liquid is introduced into the cooling flow channel to realize the cooling of the motor. However, in the use process of the existing disc type motor, the stator assembly is a main heating component of the disc type motor, the stator assembly mainly comprises a stator core and a winding coil, and the winding coil is a main heating body, so the temperature near the winding coil is usually the highest, and therefore the position of the winding coil needs to be cooled in an important way, but the existing cooling flow channel positioned at the water-cooling end cover does not consider the point, so that the temperature around the winding coil cannot be cooled well in the process of flowing cooling water through the cooling flow channel, the overall heat dissipation effect of the disc type motor is poor, and the working efficiency of the motor is low, meanwhile, the rotor of the disc type motor is generally a component which rotates around a fixed shaft, and in an ideal situation, when the rotor rotates and does not rotate, the pressure generated by a bearing is the same, which is called as a balanced revolving body, but under the actual conditions, the rotor is because the material is inhomogeneous or the blank defect, the error that produces in processing and the assembly, make the rotor when rotatory, can shake, produce the noise, bearing wear accelerates, arouse the shake of motor, also shortened life, on the other hand all adopt detachable to connect basically between current magnet steel of on the other hand and the carousel, lead to the rotor at high-speed rotatory in-process, the magnet steel produces easily and rocks, lead to the phenomenon that the rotor shakes to appear, then arouse the shake of motor, the work efficiency of disk motor has been reduced.
Disclosure of Invention
The invention aims to solve the existing problems and provides a high-efficiency disc type motor.
A high-efficiency disc-type motor comprises a water-cooling end cover, a high-heat-conductivity stator component and an anti-vibration rotor component, the two ends of the anti-vibration rotor component are rotatably arranged in the end cover, the high heat conduction stator component is fixed in the water-cooling end cover, the high heat conduction stator component comprises a stator core, a winding coil and a sealing heat conduction mechanism, wherein a plurality of stator core tooth parts are arrayed on the surface of the stator core along the circumferential direction, the winding coil is arranged on the tooth part of the stator core, the sealing heat conduction mechanism is arranged between the water-cooling end cover and the stator core, a cooling loop is arranged inside the water-cooling end cover, a strong heat exchange area is arranged at the back position of each winding coil corresponding to the cooling loop, a cooling liquid connecting box is arranged outside the water-cooling end cover, and a cooling liquid inlet and a cooling liquid outlet are arranged in the cooling liquid connecting box; the cooling circuit is connected with the cooling liquid connection box.
Preferably, the cooling circuit comprises an outer heat dissipation channel and an inner heat dissipation channel, the tails of the outer heat dissipation channel and the inner heat dissipation channel are communicated with each other, and the heads of the outer heat dissipation channel and the inner heat dissipation channel are respectively connected with the cooling liquid inlet and the cooling liquid outlet; the advantage that the temperature of make full use of winding coil outer lane is lower than the inner circle temperature for the cooling water passes through the inner circle rethread outer lane earlier, also can pass through outer lane rethread inner circle earlier, synthesizes the temperature of cooling water, and the inner circle can fully dispel the heat when guaranteeing stator module's outer lane and carry out the heat dissipation, more energy-concerving and environment-protective.
The outer heat dissipation channel and the inner heat dissipation channel are annularly arranged along the circumferential direction of the water-cooled end cover, the inner heat dissipation channel is arranged on the inner side of the outer heat dissipation channel, the outer heat dissipation channel and the inner heat dissipation channel respectively comprise a horizontal flow area and an oblique flow area which are alternately connected, the horizontal flow area is arranged along the circumferential direction of the water-cooled end cover, the oblique flow area stretches across the inner ring and the outer ring of the water-cooled end cover in an inclined manner, the oblique flow areas of the outer heat dissipation channel and the inner heat dissipation channel correspond to the positions of the back side of the winding coil one by one to form the strong heat exchange area, the inner ring of the winding coil can be cooled through the inner heat dissipation channel, the outer ring of the winding coil can be cooled through the outer heat dissipation channel, so that the heat dissipation area of a cooling loop at the position of the winding coil is increased, and cooling water passes through the heat conduction plate area above the winding coil through the oblique flow area, the cooling water passes through the heat conducting plate in an inclined mode, so that the cooling route of the cooling water above the winding coil in the heat conducting plate area is prolonged, and the heat dissipation effect near the winding coil is enhanced.
Preferably, the cooling circuit comprises an annular main heat dissipation channel and a split-flow heat dissipation ring, and the head end and the tail end of the annular main heat dissipation channel are respectively connected with a cooling liquid inlet and a cooling liquid outlet of the cooling liquid connection box; the shunting heat dissipation rings and the back side positions of the winding coils are in one-to-one correspondence to form the strong heat exchange area, and the shunting heat dissipation rings are used for performing key heat dissipation on the winding coils, so that the overall heat dissipation effect is improved.
The shunting heat dissipation ring comprises a shunting island platform at the middle part and an outer heat exchange runner and an inner heat exchange runner which are arranged on two sides of the shunting island platform, the arrangement of winding coils on a stator core can be fully utilized, the winding coils close to the inner ring of the stator core are arranged densely, so the generated heat is greater than the characteristic that the winding coils are positioned in the heat generated by the outer ring of the stator core, a strong heat exchange area is set, cooling water is mixed in a main heat dissipation channel after the winding coils are separated through the shunting island platform, and then the cooling water is redistributed in the next shunting heat dissipation ring, so that the heat generated in the cooling water is redistributed, the advantage that the temperature of the outer ring is lower than that of the inner ring is fully utilized, the temperature of the comprehensive cooling water is ensured, the inner ring can fully dissipate heat while the heat of the outer ring of the winding coils is dissipated, meanwhile, the cooling water is reasonably utilized, and the device is more energy-saving and environment-friendly.
Preferably, the width a of the outer heat exchange runner is smaller than the width B of the inner heat exchange runner, so that the characteristics of low temperature of the outer ring and high temperature of the inner ring can be fully utilized to set the strong heat exchange area, the cooling water passing through the inner ring is larger than the cooling water passing through the outer ring, the heat dissipation area of the inner ring is diffused, the inner ring can be sufficiently dissipated, and the overall heat dissipation effect is enhanced.
Preferably, the flow dividing island platform is in a shuttle shape, two ends of the shuttle-shaped tip are positioned in the water inlet and outlet directions of the annular main heat dissipation channel, and the two ends of the shuttle-shaped tip are pointed, so that the flow of water flow can be facilitated, the flow resistance is reduced, and the heat dissipation effect is improved.
Preferably, sealed heat conduction mechanism is including heat-conducting plate, closing plate, heat dissipation post, the heat-conducting plate with the heat dissipation post is heat conducting material, for example the metal material, cooling circuit is the ladder cell type, the ladder cell type is equipped with first ladder and second ladder, the closing plate inlays on the first ladder of ladder groove, the overall dimension of closing plate mutually supports with cooling circuit's orbit, the another side at the closing plate is fixed to the heat-conducting plate, the heat dissipation post passes the closing plate with heat-conducting plate fixed connection just the heat dissipation post with the closing plate closely laminates, the closing plate can be the rubber material, can wrap up the heat dissipation post, places the cooling water and spills over.
Preferably, a clamping groove is formed in a first step of the stepped groove, the clamping groove is along the track direction of the cooling circuit, and sealing strips matched with the clamping groove are arranged on the sealing plate, so that water flow is prevented from overflowing from two sides of the cooling circuit, and the sealing effect is enhanced.
Preferably, the second ladder is provided with a clamping ring, the heat-conducting plate is fixedly connected with a sealing ring matched with the clamping ring, the sealing between the sealing plate and the heat-radiating column is prevented from being insufficient, water flows out from a gap between the heat-radiating column and the rice sealing plate, the sealing effect of the cooling loop is guaranteed, and the water flow is prevented from seeping out to cause potential safety hazards.
Preferably, the heat dissipation column is in a shuttle shape, two ends of the shuttle-shaped point are located in the water inlet and outlet directions of the cooling loop, and the two ends of the shuttle-shaped point are relatively sharp, so that the flow of water flow can be facilitated, the flow resistance is reduced, and the heat dissipation effect is improved.
Preferably, the sealed heat conduction mechanism passes through the heat conduction plate through the screw and is fixedly connected with the end cover, so that the problems of looseness and displacement of the sealed heat conduction mechanism are prevented.
The heat-conducting plate is annular, and the inner ring and the outer ring of the heat-conducting plate are both provided with the sealing rings, so that the cooling loop can be sealed between the inner ring and the outer ring of the heat-conducting plate.
Preferably, the rotor subassembly is moved to antidetonation is including carousel, a plurality of magnet steel, hoop, rotor vibrations adjustment mechanism, the carousel is equipped with a plurality of bracing piece along the circumferencial direction array, per two the bracing piece with be formed with the magnet steel draw-in groove between the carousel, the magnet steel card is in the magnet steel draw-in groove, the hoop is established the outer peripheral edges of magnet steel, rotor vibrations adjustment mechanism establishes the carousel with between the magnet steel.
The rotor vibration adjusting mechanism comprises at least one balance adjusting block, an extrusion baffle, a baffle fastening assembly and an adjusting block mounting groove, wherein the adjusting block mounting groove is formed in the outer ring of the turntable, the adjusting block mounting groove is formed between two adjacent supporting rods, the balance adjusting block is arranged in the adjusting block mounting groove, adjusting surfaces are arranged on two sides of the balance adjusting block, the adjusting surfaces are inwards inclined from the top to the bottom of the balance adjusting block, a jacking working surface is arranged on the top of the balance adjusting block, and the jacking working surface is abutted against the bottom of the magnetic steel; two extrusion baffle sets up the both sides of balanced regulating block, extrusion baffle is towards one side of regulating surface be provided with the same inclination's of regulating surface extrusion face, through baffle fastening assembly, make two extrusion baffles produce the power of extrusion balanced regulating block, through the regulating surface from the top of balanced regulating block bottom leanin set up and extrusion baffle towards one side of regulating surface is provided with the same inclination's of regulating surface extrusion face, make extrusion baffle produce the power mutually perpendicular with the regulating surface, later with power dispersion becomes the power of vertical direction and the component force that promotes balanced regulating block, through the component force that promotes balanced regulating block produces the tight power of top to magnet steel radial direction, make the position of magnet steel on the carousel be difficult to rock, more firm, can reduce the vibrations phenomenon that the installation insecure brought when leading to the rotor to rotate, the cooperation of balanced regulating block and regulating block mounting groove simultaneously for balanced regulating block can dismantle and be located in the regulating block mounting groove, thereby the accessible increases balanced regulating block or reduces balanced regulating block and guarantees rotor structure's dynamic balance, thereby reduces because magnet steel and carousel installation are insecure and rotor structure do not realize dynamic balance, the vibrations phenomenon that produces when the rotor structure of bringing is high-speed rotatory.
Preferably, baffle fastening components is including fastening screw and lock nut, the regulating block mounting groove along first through-hole has been seted up to carousel axial direction, extrusion baffle be equipped with the corresponding second through-hole of first through-hole, fastening screw passes first through-hole with the second through-hole with lock nut is connected, through fastening screw and lock nut's cooperation, produces the extrusion force to extrusion baffle.
Preferably, every regulating block mounting groove that is located between two bracing pieces all includes a plurality of slots for the quantity of balanced regulating block can change, is convenient for increase balanced regulating block and reduce balanced regulating block, makes balanced regulating block can regard as the balancing piece to use, realizes the dynamic balance of motor.
Preferably, the lateral part of bracing piece along the radial direction shaping of carousel has spacing recess, the magnet steel shaping have with spacing groove is the spacing sand grip of mutually supporting, spacing recess is the circular arc-shaped groove, through the cooperation of spacing recess and spacing sand grip for the magnet steel can block in the magnet steel draw-in groove, prevents rocking of circumferencial direction, can be convenient for spacing sand grip slide in to spacing recess through circular-arc, the installation of being convenient for.
Preferably, the hoop is the ribbon, the ribbon twine in the outer peripheral edges of magnet steel, the ribbon can adopt the carbon fiber, can not show the weight that increases rotor self through the carbon fiber, and the mechanical strength of carbon fiber itself is high, and the fixed effectual of magnet steel, the carbon fiber is magnetic materials not, can not form the magnetic leakage magnetic circuit in the outward appearance of magnet steel, and the carbon fiber is flexible material, adopts winding mode to follow when irregular to the rotor outward, and packing and fixed that can be fine.
Preferably, the water inlet directions of the two water-cooled end covers are clockwise and counterclockwise, so that the two water-cooled end covers can counteract the rotating force caused by the flow of the water flow.
The invention has the beneficial effects that:
1. according to the invention, on one hand, through the rotor vibration adjusting mechanism, the phenomenon that the motor shakes due to rotor vibration caused by the fact that the rotor structure is not firmly installed and dynamic balance is not realized is reduced, on the other hand, through the design of the strong heat exchange area, each winding coil can correspond to one strong heat exchange area, so that the key heat dissipation can be carried out on each group of winding coils, the integral heat dissipation effect of the disc type motor is enhanced, and through the design of the anti-shaking and heat dissipation improvement, the working efficiency of the disc type motor is improved.
2. According to the invention, through the rotor vibration adjusting mechanism, on one hand, the jacking force in the radial direction of the magnetic steel is formed through the matching of the balance adjusting block and the extrusion baffle, so that the position of the magnetic steel on the turntable is not easy to shake, thereby reducing the vibration phenomenon caused by infirm installation, on the other hand, the dynamic balance of the rotor structure is ensured through the matching of the balance adjusting block and the adjusting block installation groove, thereby reducing the vibration phenomenon caused by the absence of the dynamic balance of the rotor structure, reducing the vibration phenomenon caused by the high-speed operation of the motor through two aspects, reducing the shaking phenomenon of the motor, and further improving the working efficiency of the motor.
3. The invention strengthens the heat dissipation area near the winding coil by arranging the inner heat dissipation channel and the outer heat dissipation channel in the strong heat exchange area, and simultaneously prolongs the cooling route of cooling water in the heat conduction plate area corresponding to the winding coil by corresponding the oblique flow area of the inner heat dissipation channel and the outer heat dissipation channel to the back side of each winding coil, thereby prolonging the cooling route, strengthening the heat dissipation effect near the winding coil by prolonging the cooling route and enlarging the heat dissipation area, and realizing the purpose of intensively dissipating heat for the winding coil.
4. According to the invention, through the shunting island platform, the outer heat exchange runners and the inner heat exchange runners on two sides of the shunting island platform, cooling water is separated through the shunting island platform and then mixed in the main heat dissipation channel, and then redistributed in the next shunting heat dissipation ring, so that heat generated in the cooling water is redistributed, the advantage that the temperature of the outer ring is lower than that of the inner ring is fully utilized, the temperature of the cooling water is integrated, the inner ring can fully dissipate heat while the outer ring of the winding coil dissipates heat, and meanwhile, the cooling water is reasonably utilized, so that the energy is saved, and the environment is protected.
Drawings
FIG. 1 is a schematic exploded view of a disc motor according to the present invention;
FIG. 2 is a schematic diagram of the high-sealing stator structure and the water-cooled end cover;
FIG. 3 is a schematic view of the sealing heat-conducting mechanism of the present invention;
FIG. 4 is a schematic view of the heat dissipating block of the heat conducting sealing mechanism of the present invention being oval;
FIG. 5 is a schematic cross-sectional view of the cooling circuit and the sealed heat conducting mechanism of the present invention;
FIG. 6 is a schematic view of the direction of the cooling water according to the present invention;
FIG. 7 is a schematic cross-sectional view of a disc motor of the present invention;
FIG. 8 is a schematic diagram showing the separation of example 3 of the present invention;
FIG. 9 is a schematic view of a sealing heat-conducting mechanism according to embodiment 3 of the present invention;
FIG. 10 is a schematic view of a heat dissipation block of a sealed heat conduction mechanism according to embodiment 3 of the present invention being oval;
FIG. 11 is a schematic sectional view of a cooling circuit connected to a sealed heat conducting mechanism according to embodiment 3 of the present invention;
FIG. 12 is a schematic view of the cooling water flow direction in example 3 of the present invention;
FIG. 13 is a general schematic view of an anti-vibration rotor assembly according to the present invention;
FIG. 14 is a schematic view of the turntable and the pinch baffle of the present invention shown disassembled;
FIG. 15 is an enlarged view taken at FIG. 14A of the present invention;
FIG. 16 is a schematic cross-sectional view of the balance adjustment block pushed out of the adjustment block mounting groove by the squeeze stop of the present invention;
FIG. 17 is a schematic sectional view and a schematic force direction of the balance adjustment block not pushed out of the adjustment block mounting groove by the pressing baffle according to the present invention;
FIG. 18 is a schematic view of the magnetic steel and the support rod of the present invention;
Detailed Description
The following specific examples are to be construed as merely illustrative, and not limitative of the remainder of the disclosure in any way whatsoever, and after a reading of this specification, a person skilled in the art will be able to make modifications to the examples as required without any inventive contribution but only subject to the scope of the appended claims.
The present invention will be described in detail below by way of examples with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-7, a high efficiency disc motor includes a water-cooled end cap 1, a high thermal conductivity stator assembly 2, and an anti-vibration rotor assembly 3, both ends of the anti-vibration rotor assembly 3 are rotatably installed in the end cap 1, the high thermal conductivity stator assembly 2 is fixed in the water-cooled end cap 1, the high thermal conductivity stator assembly 2 includes a stator core 21, a winding coil 22, and a sealing thermal conductivity mechanism 5, a plurality of stator core tooth portions 211 are arrayed on the surface of the stator core 21 along a circumferential direction, the winding coil 22 is installed on the stator core tooth portions 211, the sealing thermal conductivity mechanism 5 is disposed between the water-cooled end cap 1 and the stator core 21, a cooling circuit 4 is disposed inside the water-cooled end cap 1, a strong heat exchange region 43 is disposed at a position of the cooling circuit 4 corresponding to a back portion of each winding coil 22, a cooling liquid connecting box 7 is arranged on the outer side of the water-cooling end cover 1, and a cooling liquid inlet 71 and a cooling liquid outlet 72 are arranged in the cooling liquid connecting box 7; the cooling loop 4 is connected with a cooling liquid connecting box 7; the cooling circuit 4 comprises an outer heat dissipation channel 46 and an inner heat dissipation channel 47, the tails of the outer heat dissipation channel 46 and the inner heat dissipation channel 47 are communicated with each other, and the heads of the outer heat dissipation channel 46 and the inner heat dissipation channel 47 are respectively connected with the cooling liquid inlet 71 and the cooling liquid outlet 72; the outer heat dissipation channel 46 and the inner heat dissipation channel 47 are annularly arranged along the circumferential direction of the water-cooled end cover 1, the inner heat dissipation channel 47 is arranged inside the outer heat dissipation channel 46, the outer heat dissipation channel 46 and the inner heat dissipation channel 47 both comprise a horizontal flow area 461 and an oblique flow area 462 which are alternately connected, and the oblique flow areas 462 of the outer heat dissipation channel 46 and the inner heat dissipation channel 47 correspond to the back side positions of the winding coils 22 one by one to form the strong heat exchange area 43; the anti-vibration rotor assembly 3 comprises a turntable 31, a plurality of magnetic steels 32, a hoop 33 and a rotor vibration adjusting mechanism 34, wherein the turntable 31 is provided with a plurality of support rods 35 along a circumferential direction array, a magnetic steel clamping groove 36 is formed between every two support rods 35 and the turntable 31, the magnetic steel 32 is clamped in the magnetic steel clamping groove 36, the hoop 33 is arranged on the outer periphery of the magnetic steel 32, the rotor vibration adjusting mechanism 34 is arranged between the turntable 1 and the magnetic steel 32, the rotor vibration adjusting mechanism 34 comprises at least one balance adjusting block 341, an extrusion baffle 342, a baffle fastening component 343 and an adjusting block mounting groove 344, each adjusting block mounting groove 344 positioned between two support rods 6 comprises a plurality of slots 3443, the adjusting block mounting groove 344 is arranged on the outer ring of the turntable 31, and the adjusting block 344 is arranged between two adjacent support rods 35, the balance adjusting block 341 is arranged in the adjusting block mounting groove 344, a gap 345 is arranged between the extrusion baffle 342 and the adjusting block mounting groove 344, baffle limiting grooves 346 are respectively arranged on the upper side and the lower side of the adjusting block mounting groove 344, the extrusion baffle 342 is arranged in the baffle limiting grooves 346, adjusting surfaces 3411 are arranged on two sides of the balance adjusting block 341, the adjusting surfaces 3411 are inclined inwards from the top to the bottom of the balance adjusting block 341, a top of the balance adjusting block 341 is provided with a top tightening working surface 3412, and the top tightening working surface 3412 is abutted against the bottom of the magnetic steel 32; the two pressing baffles 342 are disposed at two sides of the balance adjusting block 341, a pressing surface 3421 having the same inclination angle as the adjusting surface 3411 is disposed at one side of the pressing baffle 342 facing the adjusting surface 3411, the baffle fastening assembly 343 includes a fastening screw 3431 and a locking nut 3432, the adjusting block mounting groove 344 is provided with a first through hole 3441 along the axial direction of the rotating disk, the pressing baffle 342 is provided with a second through hole 3442 corresponding to the first through hole 3441, and the fastening screw 3431 passes through the first through hole 3441 and the second through hole 3442 to be connected with the locking nut 3432.
As shown in fig. 2-4, the sealed heat conduction mechanism 5 includes a heat conduction plate 51, a sealing plate 52, and a heat dissipation column 53, the cooling circuit 4 is a stepped groove type, the cooling circuit 4 is provided with a first step and a second step, the sealing plate 52 is embedded on the first step, the heat conduction plate 51 is fixed on the other side of the sealing plate 52, the heat dissipation column 53 passes the sealing plate 52 and the heat conduction plate 51 are fixedly connected with the heat dissipation column and the sealing plate 52 are tightly attached, the first step is provided with a clamping groove 401, the sealing plate 52 is provided with a sealing strip 521 mutually matched with the clamping groove 401, the second step is provided with a clamping ring 402, the heat conduction plate 51 is fixedly connected with a sealing ring 522 mutually matched with the clamping ring 402, and the heat dissipation column 53 is in a shuttle shape.
As shown in fig. 2 and 6, a limit groove 351 is formed on a side portion of the support rod 35 along a radial direction of the turntable 31, a limit protrusion 321 which is engaged with the limit groove 351 is formed on the magnetic steel 32, the limit groove 351 is an arc groove, the hoop 33 is a fiber strip, and the fiber strip is wound around an outer periphery of the magnetic steel 32.
The working principle of the structure of the invention is as follows: according to fig. 1-18, a sealing plate 52 of a sealing heat conducting mechanism 5 is embedded on a first step 401, a sealing strip 521 is clamped into a clamping groove 401, a sealing ring 522 on a heat conducting plate 51 is clamped into a clamping ring 62, the heat conducting plate 51 and a water-cooled end cover 1 are fixedly connected in a sealing manner by screws, so that the sealing heat conducting mechanism 5 is connected with the water-cooled end cover 1, then a winding coil 22 is wound on a stator core 21, the stator core 21 wound with the winding coil 22 and a rotor assembly are installed between the two water-cooled end covers 1, the two water-cooled end covers 1 are connected by screws, so that the installation of the motor is completed, then cooling water is input into a cooling circuit 4 through an inlet cooling channel 41, under the sealing action of the sealing plate 52, the clamping groove 61 and the sealing 521, and the clamping ring 62 and the sealing ring 522, the cooling water cannot flow out of the sealing heat conducting mechanism 5, so as to ensure the normal operation of the motor, meanwhile, heat can be rapidly transferred to the cooling loop 4 through the heat conduction function of the sealing heat conduction mechanism 5, rapid heat dissipation is carried out, and the heat dissipation effect of the motor is ensured;
the magnetic steel 32 is clamped into the magnetic steel clamping groove 36 through the matching of the limiting groove 351 and the limiting convex strip 321, so that in the rotation process, the magnetic steel 2 moves in the circumferential direction, then the fiber strip is wound on the outer circumferential edge of the magnetic steel 32, the outer circumferential edge of the magnetic steel 32 is fixed, but the magnetic steel 32 only receives an acting force in the radial direction due to the winding of the fiber strip, so that the magnetic steel 32 is very easy to shake in high-speed operation, and then a balance adjusting block 341 is clamped into the slot 3443 which is positioned at the centremost position between every two support rods 35 to ensure the balance of the rotor structure, then the extrusion baffle 342 is placed into the baffle limiting groove 346, the fastening screw 3431 passes through the first through hole 3441 and the second through hole 3442 to be matched with the locking nut 3432, so that the extrusion baffle 342 generates a force for pushing the balance adjusting block 341 out of the adjusting groove 344, thereby slightly pushing the balance adjusting block 341 out of the adjusting block mounting groove 344, so that the balance adjusting block 341 forms a pushing force to the radial direction of the magnetic steel 32, so that the position of the magnetic steel 32 on the turntable 31 is not easy to shake, thereby reducing the vibration phenomenon caused by the infirm installation, then detecting the rotor structure through a dynamic balance detection device, detecting the place with uneven balance weight, disassembling the fastening screw 3431 and the locking nut 3432, taking the extrusion baffle 342 down, clamping a new number of balance adjusting blocks 341 in other slots 3443 as required to be used as balance blocks, then installing the extrusion baffle 34 through the fastening screw 3431 and the locking nut 3432, completing the fixation of the balance adjusting block 341, realizing the dynamic balance of the motor through the use of the balance adjusting block 341 as balance blocks, and then installing the anti-vibration rotor assembly 3 in two water-cooling end covers 1, the problem of the insecure installation of magnet steel and carousel and rotor structure do not realize dynamic balance and lead to the vibrations phenomenon that the motor brought when high-speed operation to improve the efficiency of motor is solved.
In the cooling process, the cooling water exchanges heat with the heat generated by the inner heat dissipation channel 47 by the inner heat dissipation channel 22 near the inner ring of the stator core 21 and transmitted to the inner heat dissipation channel 47 through the heat conduction plate 51 and the heat dissipation columns 53, and then exchanges heat with the heat generated by the outer heat dissipation channel 46 by the winding coil 22 near the outer ring of the stator core 21 and transmitted to the outer heat dissipation channel 47 through the heat conduction plate 51 and the heat dissipation columns 53, thereby performing an important heat dissipation to the heat generated near the winding coil 22, improving the heat dissipation effect near the winding coil 22, the overall heat dissipation effect of the motor is improved, the advantage of large internal and external temperature difference can be reasonably utilized in a mode that cooling water in the inner heat dissipation channel 47 flows to the outer heat dissipation channel 46, the inner ring can perform sufficient heat dissipation while the outer ring of the stator assembly performs heat dissipation, the cooling water is reasonably utilized, and the motor is more energy-saving and environment-friendly;
example 2:
as shown in fig. 4, the difference from embodiment 1 is that the heat radiation block 53 has an elliptical shape, and the major axis direction of the elliptical shape coincides with the flow direction of the cooling water.
Example 3:
as shown in fig. 8 to 11, the difference from the above embodiment 1 is that the cooling circuit 4 includes an annular main heat dissipation channel 48 and a split heat dissipation ring 49, and the head and tail ends of the annular main heat dissipation channel 48 are connected to a cooling liquid inlet 71 and a cooling liquid outlet 72 of the cooling liquid connection box 7, respectively; the diversion heat dissipation ring 49 and the back side position of the winding coil 22 form the strong heat exchange area 43 in a one-to-one correspondence manner, the diversion heat dissipation ring 49 comprises a diversion island 491 in the middle, an outer heat exchange runner 492 and an inner heat exchange runner 493 on two sides of the diversion island 491, the width a of the outer heat exchange runner 492 is smaller than the width B of the inner heat exchange runner 493, the diversion island 491 is in a shuttle shape, and two ends of the shuttle-shaped tip are located in the water inlet and outlet directions of the annular main heat dissipation channel 48.
Claims (10)
1. A high efficiency disc motor characterized by: including water-cooling end cover (1), high heat conduction stator module (2), anti-vibration rotor module (3), the rotatable installation in both ends of anti-vibration rotor module (3) is in water-cooling end cover (1), high heat conduction stator module (2) are fixed in water-cooling end cover (1), high heat conduction stator module (2) are including stator core (21), winding coil (22), sealed heat conduction mechanism (5), the surface of stator core (21) has a plurality of stator core tooth portion (211) along the circumferencial direction array, winding coil (22) are installed on stator core tooth portion (211), establish sealed heat conduction mechanism (5) between water-cooling end cover (1) and stator core (21), the inside of water-cooling end cover (1) is equipped with cooling circuit (4), cooling circuit (4) correspond every the back position department of winding coil (22) all is equipped with strong heat transfer district (43), a cooling liquid connecting box (7) is arranged on the outer side of the water-cooling end cover (1), and a cooling liquid inlet (71) and a cooling liquid outlet (72) are arranged in the cooling liquid connecting box (7); the cooling circuit (4) is connected with the cooling liquid connection box (7).
2. A high-efficiency disc motor according to claim 1, wherein the cooling circuit (4) comprises an outer heat dissipation channel (46) and an inner heat dissipation channel (47), the tail portions of the outer heat dissipation channel (46) and the inner heat dissipation channel (47) are communicated with each other, and the head portions of the outer heat dissipation channel (46) and the inner heat dissipation channel (47) are respectively connected with the cooling liquid inlet (71) and the cooling liquid outlet (72);
the outer heat dissipation channel (46) and the inner heat dissipation channel (47) are annularly arranged in the circumferential direction of the water-cooling end cover (1), the inner heat dissipation channel (47) is arranged on the inner side of the outer heat dissipation channel (46), the outer heat dissipation channel (46) and the inner heat dissipation channel (47) respectively comprise a horizontal flow area (461) and an oblique flow area (462) which are alternately connected, the outer heat dissipation channel (46) and the oblique flow area (462) of the inner heat dissipation channel (47) correspond to the back side of the winding coil (22) in a one-to-one mode, and the strong heat exchange area (43) is formed.
3. A high-efficiency disc-type electric motor as claimed in claim 1, wherein said cooling circuit (4) comprises a main annular heat dissipation channel (48) and a split heat dissipation ring (49), the head and tail ends of said main annular heat dissipation channel (48) being connected to the coolant inlet (71) and the coolant outlet (72) of said coolant connection box (7), respectively; the heat exchange area (43) is formed by the one-to-one correspondence of the positions of the back sides of the shunting heat dissipation rings (49) and the winding coils (22), each shunting heat dissipation ring (49) comprises a shunting island platform (491) in the middle, an outer heat exchange runner (492) and an inner heat exchange runner (493) on two sides of the shunting island platform (491), and the width A of the outer heat exchange runner (492) is smaller than the width B of the inner heat exchange runner (493).
4. The disc motor of claim 2 or 3, wherein the sealing heat-conducting mechanism (5) comprises a heat-conducting plate (51), a sealing plate (52), and a heat-dissipating column (53), the cooling circuit (4) is a stepped groove type, the cooling circuit (4) is provided with a first step (401) and a second step (402), the sealing plate (52) is embedded on the first step (401), the heat-conducting plate (51) is fixed on the other surface of the sealing plate (52), the heat-dissipating column (53) penetrates through the sealing plate (52) to be fixedly connected with the heat-conducting plate (51) and tightly attached to the sealing plate (52), the first step (401) is provided with a clamping groove (403), the sealing plate (52) is provided with a sealing strip (521) mutually matched with the clamping groove (403), and the second step (402) is provided with a clamping ring (404), and the heat conducting plate (51) is fixedly connected with a sealing ring (522) which is matched with the clamping ring (404).
5. The high-efficiency disc motor according to claim 1, wherein the anti-vibration rotor assembly (3) comprises a rotating disc (31), a plurality of magnetic steels (32), a ring hoop (33) and a rotor vibration adjusting mechanism (34), the rotating disc (31) is provided with a plurality of support rods (35) along a circumferential direction array, a magnetic steel clamping groove (36) is formed between every two support rods (35) and the rotating disc (31), the magnetic steels (32) are clamped in the magnetic steel clamping groove (36), the ring hoop (33) is arranged on an outer periphery of the magnetic steels (32), and the rotor vibration adjusting mechanism (34) is arranged between the rotating disc (1) and the magnetic steels (32).
6. The disc motor of claim 5, wherein the rotor vibration adjusting mechanism (34) comprises at least one balance adjusting block (341), a pressing baffle (342), a baffle fastening assembly (343), and an adjusting block mounting groove (344), the adjusting block mounting groove (344) is formed in an outer ring of the rotating disc (31), the adjusting block mounting groove (344) is formed between two adjacent supporting rods (35), the adjusting block mounting groove (344) comprises a plurality of slots (3443), the balance adjusting block (341) is formed in the slot (3443), and a gap (345) is formed between the pressing baffle (342) and the adjusting block mounting groove (344).
7. The disc motor of claim 6, wherein the upper and lower sides of the adjusting block mounting groove (344) are provided with baffle limiting grooves (346), and the extrusion baffle (342) is arranged in the baffle limiting grooves (346).
8. A high efficiency disc motor according to claim 6, characterized in that, the balance adjusting block (341) is provided with adjusting surfaces (3411) at two sides, the adjusting surfaces (3411) are inclined inwards from the top to the bottom of the balance adjusting block (341), the top of the balance adjusting block (341) is provided with a top-pressing working surface (3412), and the top-pressing working surface (3412) is abutted against the bottom of the magnetic steel (32); the two pressing baffles (342) are arranged on two sides of the balance adjusting block (341), and one side, facing the adjusting surface (3411), of the pressing baffles (342) is provided with a pressing surface (3421) with the same inclination angle as the adjusting surface (3411).
9. The disc motor of claim 6, wherein the damper fastening assembly (343) comprises a fastening screw (3431) and a lock nut (3432), the adjusting block mounting groove (344) is provided with a first through hole (3441) along the axial direction of the rotating disc (31), the pressing damper (342) is provided with a second through hole (3442) corresponding to the first through hole (3441), and the fastening screw (3431) passes through the first through hole (3441) and the second through hole (3442) to be connected with the lock nut (3432).
10. A high-efficiency disc motor according to claim 5, wherein the side of the support rod (35) is formed with a limit groove (351) along the radial direction of the turntable (31), and the magnetic steel (32) is formed with a limit rib (321) which is engaged with the limit groove (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329381.2A CN114726151B (en) | 2022-03-30 | 2022-03-30 | High-efficiency disc type motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329381.2A CN114726151B (en) | 2022-03-30 | 2022-03-30 | High-efficiency disc type motor |
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| CN114726151B CN114726151B (en) | 2024-02-23 |
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| JP2005269845A (en) * | 2004-03-22 | 2005-09-29 | Nissan Motor Co Ltd | Structure for cooling stator of axial gap electric motor |
| CN103001385A (en) * | 2012-11-19 | 2013-03-27 | 腾达电动科技镇江有限公司 | Cooling end cover for disc type motor |
| CN203491864U (en) * | 2013-10-25 | 2014-03-19 | 金坛市微特电机有限公司 | Water cooling type double stator axial magnetic field permanent magnetic brushless direct current motor |
| CN108155733A (en) * | 2018-01-10 | 2018-06-12 | 武汉索特南洋电机有限公司 | A kind of disc type electric machine |
| CN109768656A (en) * | 2019-03-08 | 2019-05-17 | 贵州航天林泉电机有限公司 | A kind of radiator structure of axial magnetic flux disc type electric machine |
| CN208923940U (en) * | 2018-11-16 | 2019-05-31 | 核心驱动科技（金华）有限公司 | A kind of rotor structure and disc type electric machine |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005269845A (en) * | 2004-03-22 | 2005-09-29 | Nissan Motor Co Ltd | Structure for cooling stator of axial gap electric motor |
| CN103001385A (en) * | 2012-11-19 | 2013-03-27 | 腾达电动科技镇江有限公司 | Cooling end cover for disc type motor |
| CN203491864U (en) * | 2013-10-25 | 2014-03-19 | 金坛市微特电机有限公司 | Water cooling type double stator axial magnetic field permanent magnetic brushless direct current motor |
| CN108155733A (en) * | 2018-01-10 | 2018-06-12 | 武汉索特南洋电机有限公司 | A kind of disc type electric machine |
| CN208923940U (en) * | 2018-11-16 | 2019-05-31 | 核心驱动科技（金华）有限公司 | A kind of rotor structure and disc type electric machine |
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| CN114726151B (en) | 2024-02-23 |
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