CN114726151B - High-efficiency disc type motor - Google Patents
High-efficiency disc type motor Download PDFInfo
- Publication number
- CN114726151B CN114726151B CN202210329381.2A CN202210329381A CN114726151B CN 114726151 B CN114726151 B CN 114726151B CN 202210329381 A CN202210329381 A CN 202210329381A CN 114726151 B CN114726151 B CN 114726151B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- cooling
- dissipation channel
- adjusting block
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 110
- 238000001816 cooling Methods 0.000 claims abstract description 79
- 238000004804 winding Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000000110 cooling liquid Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 238000001125 extrusion Methods 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000835 fiber Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229920000049 Carbon (fiber) Polymers 0.000 description 5
- 239000004917 carbon fiber Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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-conductivity stator assembly and an anti-vibration rotor assembly, wherein two ends of the anti-vibration rotor assembly are rotatably arranged in the end cover, the high-heat-conductivity stator assembly is fixed in the water-cooling end cover, the high-heat-conductivity stator assembly comprises a stator core, winding coils and a sealing heat-conducting mechanism, a plurality of stator core teeth are arrayed on the surface of the stator core along the circumferential direction, the winding coils are arranged on the stator core teeth, the sealing heat-conducting mechanism is arranged between the water-cooling end cover and the stator core, a cooling loop is arranged in the water-cooling end cover, a strong heat-exchanging area is arranged at the back position of the cooling loop corresponding to each winding coil, 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 in anti-shake and improvement heat dissipation two aspects, improve disk motor's work efficiency.
Description
Technical Field
The present invention relates to a disc motor, and more particularly, to a high efficiency disc motor.
Background
The radial magnetic field of the disc motor is different from that of the traditional cylindrical motor, the air gap of the disc motor is planar, the air gap magnetic field is axial, the disc motor has the characteristics of short axial dimension, light weight, simple structure, flexible control and the like, and meanwhile, the disc 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 range, the disc motor inevitably generates heat in the operation process, a cooling flow channel is usually arranged on a shell of the disc motor, and the cooling of the motor is realized by introducing circulating cooling liquid into the disc motor. However, in the use process of the existing disc motor, the stator assembly is a main heating component of the disc motor, the stator assembly mainly consists of a stator iron core and a winding coil, and the winding coil is a main heating body, so that the temperature near the winding coil is always the highest, and therefore, the position of the winding coil needs to be subjected to key cooling, but the existing cooling flow passage positioned at the water-cooling end cover is not considered, so that the temperature around the winding coil cannot be subjected to good cooling in the process of cooling water flowing through the cooling flow passage, the overall heat dissipation effect of the disc motor is poor, the working efficiency of the motor is low, meanwhile, the rotor of the disc motor is generally a part which rotates around a fixed shaft, the pressure generated by a bearing is the same as that generated by the rotor when the rotor rotates and does not rotate under ideal conditions, but in real conditions, the rotor can vibrate due to uneven materials or blank defects, and errors generated in processing and assembling, the bearing is accelerated, the vibration of the motor is caused, the service life is shortened, and on the other hand, the existing magnetic steel and the rotor is connected with the rotor through the magnetic steel, so that the vibration is basically generated in the process of shaking, and the vibration is easy, and the vibration is caused in the process of the rotor is reduced.
Disclosure of Invention
The invention aims to solve the existing problems and provides a high-efficiency disc motor.
The high-efficiency disc motor comprises a water-cooling end cover, a high-heat-conductivity stator assembly and an anti-vibration rotor assembly, wherein two ends of the anti-vibration rotor assembly are rotatably arranged in the end cover, the high-heat-conductivity stator assembly is fixed in the water-cooling end cover, the high-heat-conductivity stator assembly comprises a stator core, winding coils and a sealing heat-conducting mechanism, a plurality of stator core teeth are arrayed on the surface of the stator core along the circumferential direction, the winding coils are arranged on the stator core teeth, the sealing heat-conducting mechanism is arranged between the water-cooling end cover and the stator core, a cooling loop is arranged in the water-cooling end cover, a strong heat exchange area is arranged at the back position of the cooling loop corresponding to each winding coil, 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 loop comprises an outer heat dissipation channel and an inner heat dissipation channel, wherein the tail parts 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 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 dispel the heat, and is 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 cooling end cover, the inner heat dissipation channel is arranged at 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 inclined flow area which are alternately connected, the horizontal flow area is arranged along the circumferential direction of the water cooling end cover, the inclined flow area is obliquely arranged across the inner ring and the outer ring of the water cooling end cover, the inclined flow areas of the outer heat dissipation channel and the inner heat dissipation channel are in one-to-one correspondence with the back side position of the winding coil to form a 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, when cooling water passes through a heat conduction plate area above the winding coil through the inclined flow area, the cooling water is obliquely arranged, the cooling route of the cooling water in the heat conduction plate area above the winding coil is prolonged, and the heat dissipation effect near the winding coil is enhanced.
Preferably, the cooling loop comprises an annular main heat dissipation channel and a split 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 shunt heat dissipation rings are in one-to-one correspondence with the back side positions of the winding coils to form the strong heat exchange area, and the shunt heat dissipation rings are used for carrying out key heat dissipation on the winding coils, so that the overall heat dissipation effect is improved.
The split-flow heat dissipation ring comprises a split-flow island table in the middle and an outer heat exchange runner and an inner heat exchange runner on two sides of the split-flow island table, 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 densely arranged, so that generated heat is larger than the heat generated by the winding coils located on 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 being separated by the split-flow island table, then the cooling water is redistributed in the next split-flow heat dissipation ring, the heat generated in the cooling water is redistributed, the advantage that the temperature of an outer ring is lower than that of an inner ring is fully utilized, the temperature of the cooling water is comprehensively utilized, the inner ring can fully dissipate heat while the outer ring of the winding coils is guaranteed to dissipate heat, and meanwhile, the cooling water is reasonably utilized, and the split-flow heat dissipation ring cooling device is more energy-saving and environment-friendly.
Preferably, the width A of the outer heat exchange flow channel is smaller than the width B of the inner heat exchange flow channel, 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, so that 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 fully dissipated, and the overall heat dissipation effect is enhanced.
Preferably, the split island platform is in a fusiform shape, and two ends of the fusiform tip are positioned in the water inlet and outlet directions of the annular main heat dissipation channel, and the fusiform two ends are more pointed, so that the split island platform is beneficial to the flow of water flow, reduces flow resistance and improves the heat dissipation effect.
Preferably, the sealed heat conduction mechanism comprises a heat conduction plate and a sealing plate, wherein the heat dissipation column is made of a heat conduction material, such as a metal material, the cooling loop is of a stepped groove type, the stepped groove type is provided with a first step and a second step, the sealing plate is embedded on the first step of the stepped groove, the outline dimension of the sealing plate is matched with the track of the cooling loop, the heat conduction plate is fixed on the other surface of the sealing plate, the heat dissipation column penetrates through the sealing plate and is fixedly connected with the heat conduction plate, the heat dissipation column is tightly attached to the sealing plate, the sealing plate is made of a rubber material, the heat dissipation column can be wrapped, and cooling water is placed to overflow.
Preferably, a clamping groove is formed in a first step of the step groove, the clamping groove is along the track direction of the cooling circuit, a sealing strip matched with the clamping groove is arranged on the sealing plate, water flow is prevented from overflowing from two sides of the cooling circuit, and the sealing effect is enhanced.
Preferably, the collar is offered on the second ladder, fixedly connected with on the heat-conducting plate with the sealing washer of collar mutually supporting prevents that sealing plate and heat dissipation post from sealing inadequately, leads to rivers to flow from the gap between heat dissipation post and the rice shrouding, guarantees cooling circuit's sealed effect, prevents the exudation of rivers, causes the potential safety hazard.
Preferably, the heat dissipation column is in a shape of a shuttle, and two ends of the shuttle-shaped tip are positioned in the directions of water inlet and water outlet of the cooling loop, and the two ends of the shuttle-shaped tip 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 sealing heat conduction mechanism is fixedly connected with the end cover by penetrating the heat conduction plate through a screw, so that the problems of loosening and displacement of the sealing heat conduction mechanism are prevented.
The heat-conducting plate is annular, and the sealing rings are arranged on the inner ring and the outer ring of the heat-conducting plate, so that the cooling loop can be sealed between the inner ring and the outer ring of the heat-conducting plate.
Preferably, the anti-vibration rotor assembly comprises a rotary table, a plurality of magnetic steels, hoops and a rotor vibration adjusting mechanism, wherein the rotary table is provided with a plurality of support rods along the circumferential direction in an array manner, a magnetic steel clamping groove is formed between each two support rods and the rotary table, the magnetic steels are clamped in the magnetic steel clamping groove, the hoops are arranged on the outer periphery of the magnetic steels, and the rotor vibration adjusting mechanism is arranged between the rotary table and the magnetic steels.
The rotor vibration adjusting mechanism comprises at least one balance adjusting block, an extrusion baffle, a baffle fastening component and an adjusting block mounting groove, wherein the adjusting block mounting groove is arranged on the outer ring of the turntable, the adjusting block mounting groove is arranged between two adjacent supporting rods, the balance adjusting block is arranged in the adjusting block mounting groove,
the two sides of the balance adjusting block are provided with adjusting surfaces which incline inwards from the top to the bottom of the balance adjusting block, the top of the balance adjusting block is provided with a jacking working surface, and the jacking working surface is propped against the bottom of the magnetic steel; the two extrusion baffles are arranged on two sides of the balance adjusting block, one side of the extrusion baffles faces the extrusion surface with the same inclination angle as the adjustment surface is arranged on one side of the adjustment surface, the two extrusion baffles generate force for extruding the balance adjusting block through the baffle fastening component, the balance adjusting block and the adjusting block mounting groove are arranged in an inwards inclined manner from the top to the bottom of the balance adjusting block through the adjustment surface, the extrusion baffle faces the adjustment surface is arranged on one side of the adjustment surface, the extrusion baffle generates force perpendicular to the adjustment surface, the force is then dispersed into force in the vertical direction and component force for pushing the balance adjusting block, the component force for pushing the balance adjusting block generates a tightening force for the radial direction of the magnetic steel, the position on the turntable is not easy to shake, the installation is firmer, vibration phenomenon caused by rotor rotation can be reduced, meanwhile, the balance adjusting block can be detachably arranged in the adjustment block mounting groove, the dynamic balance adjusting block is increased or the balance adjusting block is reduced, the dynamic balance of the rotor structure is guaranteed, and the dynamic balance structure of the rotor is not firm due to the fact that the rotor structure is not firmly rotated, and the dynamic structure is not generated.
Preferably, the baffle fastening assembly comprises a fastening screw and a locking nut, the adjusting block mounting groove is provided with a first through hole along the axial direction of the turntable, the extrusion baffle is provided with a second through hole corresponding to the first through hole, the fastening screw penetrates through the first through hole and the second through hole to be connected with the locking nut, and extrusion force to the extrusion baffle is generated through the cooperation of the fastening screw and the locking nut.
Preferably, each adjusting block mounting groove between two supporting rods comprises a plurality of slots, so that the number of the balancing adjusting blocks can be changed, the balancing adjusting blocks can be conveniently increased and reduced, the balancing adjusting blocks can be used as the balancing blocks, and dynamic balance of the motor is realized.
Preferably, the lateral part of bracing piece is followed the radial direction shaping of carousel has spacing recess, the magnet steel shaping have with spacing sand grip that spacing recess mutually supported, spacing recess is the circular arc 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 that circumferential direction from rocking, can be convenient for spacing sand grip slide into in the spacing recess through circular-arc, the installation of being convenient for.
Preferably, the hoop is a fiber strip, the fiber strip is wound on the outer periphery of the magnetic steel, the fiber strip can be made of carbon fiber, the weight of the rotor is not remarkably increased through the carbon fiber, the mechanical strength of the carbon fiber is high, the fixing effect of the magnetic steel is good, the carbon fiber is a non-magnetic-conductive material, a magnetic leakage magnetic circuit is not formed on the outer surface of the magnetic steel, the carbon fiber is a flexible material, and the winding mode can be used for well filling and fixing when the outer edge of the rotor is irregular.
Preferably, the water inlet direction of the two water-cooled end caps is clockwise and the water inlet direction of the two water-cooled end caps is anticlockwise, so that the two water-cooled end caps can offset the rotation force caused by the flow of water flow.
The invention has the beneficial effects that:
according to the invention, on one hand, through the rotor vibration adjusting mechanism, the phenomenon that the rotor structure is not firmly installed and the vibration of the rotor caused by dynamic balance is not realized to cause motor vibration is reduced, and 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 each group of winding coils can be subjected to key heat dissipation, the overall heat dissipation effect of the disc motor is enhanced, and the working efficiency of the disc motor is improved through the design of both anti-vibration and heat dissipation.
According to the rotor vibration adjusting mechanism, on one hand, the supporting force to the radial direction of the magnetic steel is formed through the matching of the balance adjusting block and the extrusion baffle plate, so that the position of the magnetic steel on the turntable is not easy to shake, vibration phenomena caused by unstable installation are reduced, on the other hand, the dynamic balance of a rotor structure is ensured through the matching of the balance adjusting block and the adjusting block mounting groove, vibration phenomena caused by the fact that the rotor structure does not have dynamic balance are reduced, vibration phenomena caused by the motor in high-speed operation are reduced through the two aspects, shaking phenomena of the motor are reduced, and therefore the working efficiency of the motor is improved.
According to the invention, through the arrangement of the inner heat dissipation channel and the outer heat dissipation channel in the strong heat exchange area, the heat dissipation area near the winding coils is enhanced, and meanwhile, through the inclined flow areas of the inner heat dissipation channel and the outer heat dissipation channel corresponding to the back side of each winding coil, the cooling route of cooling water in the heat conduction plate area corresponding to the winding coils is prolonged, so that the cooling route is prolonged, the heat dissipation effect near the winding coils is enhanced by prolonging the cooling route and enlarging the heat dissipation area, and the purpose of mainly dissipating heat of the winding coils is realized.
According to the invention, through the split-flow island platform, the outer heat exchange flow channels and the inner heat exchange flow channels on two sides of the split-flow island platform, cooling water is mixed in the main heat dissipation channel after being separated by the split-flow island platform, and then the cooling water is redistributed in the next split-flow 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 comprehensively utilized, the inner ring can fully dissipate heat while the outer ring of the winding coil dissipates heat, meanwhile, the cooling water is reasonably utilized, and the energy is saved and the environment is protected.
Drawings
FIG. 1 is a split schematic diagram of a disc motor of the present invention;
FIG. 2 is a schematic diagram of the split of the present high seal stator structure and water cooled end cap;
FIG. 3 is a schematic view of a sealed heat conducting mechanism of the present invention;
FIG. 4 is a schematic view of a heat dissipation column of the sealed heat conduction mechanism of the present invention having an elliptical shape;
FIG. 5 is a schematic cross-sectional view of the cooling circuit of the present invention in connection with a sealed heat conducting mechanism;
FIG. 6 is a schematic diagram of the cooling water trend of 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 illustrating the disassembly of embodiment 3 of the present invention;
FIG. 9 is a schematic view of a sealing and heat conducting mechanism according to embodiment 3 of the present invention;
FIG. 10 is a schematic view of a heat dissipation column of a sealed heat conduction mechanism according to embodiment 3 of the present invention;
FIG. 11 is a schematic cross-sectional view of a cooling circuit and a sealed heat conducting mechanism connection according to embodiment 3 of the present invention;
FIG. 12 is a schematic diagram showing the cooling water direction in example 3 of the present invention;
FIG. 13 is an overall schematic of an anti-vibration rotor assembly of the present invention;
FIG. 14 is a schematic view of the separation of the turntable and the extrusion baffle plate of the present invention;
FIG. 15 is an enlarged schematic view of FIG. 14A in accordance with the present invention;
FIG. 16 is a schematic cross-sectional view of a balance adjustment block of the present invention pushed out of an adjustment block mounting groove by a squeeze shield;
FIG. 17 is a schematic cross-sectional view of a balance adjustment block of the present invention not pushed out of an adjustment block mounting groove by a squeeze baffle and a schematic direction of force;
FIG. 18 is a schematic diagram showing the cooperation of the magnetic steel and the support rod according to the present invention;
Detailed Description
The following specific examples are intended to be illustrative of the invention and are not intended to be limiting, as modifications of the invention will be apparent to those skilled in the art upon reading the specification without inventive contribution thereto, and are intended to be protected by the patent law within the scope of the appended claims.
The invention is described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-17, a high-efficiency disc-type motor comprises a water-cooling end cover 1, a high-heat-conductivity stator assembly 2 and an anti-vibration rotor assembly 3, wherein two ends of the anti-vibration rotor assembly 3 are rotatably installed in the water-cooling end cover 1, the high-heat-conductivity stator assembly 2 is fixed in the water-cooling end cover 1, the high-heat-conductivity stator assembly 2 comprises a stator core 21, winding coils 22 and a sealed heat conduction mechanism 5, a plurality of stator core teeth 211 are arrayed on the surface of the stator core 21 along the circumferential direction, the winding coils 22 are installed on the stator core teeth 211, the sealed heat conduction mechanism 5 is arranged between the water-cooling end cover 1 and the stator core 21, a cooling loop 4 is arranged in the water-cooling end cover 1, a strong heat exchange area 43 is arranged at the back position of the cooling loop 4 corresponding to each winding coil 22, a cooling liquid connection box 7 is arranged outside the water-cooling end cover 1, and a cooling liquid inlet 71 and a cooling liquid outlet 72 are arranged in the cooling liquid connection box 7; the cooling circuit 4 is connected with a cooling liquid connection box 7; the cooling circuit 4 comprises an outer cooling channel 46 and an inner cooling channel 47, wherein tail parts of the outer cooling channel 46 and the inner cooling channel 47 are communicated with each other, and head parts of the outer cooling channel 46 and the inner cooling 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 at 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 flat flow area 461 and an inclined flow area 462 which are alternately connected, and the inclined flow areas 462 of the outer heat dissipation channel 46 and the inner heat dissipation channel 47 are in one-to-one correspondence with the back side positions of the winding coil 22 to form the strong heat exchange area 43; the vibration-proof rotor assembly 3 comprises a turntable 31, a plurality of magnetic steels 32, a hoop 33 and a rotor vibration adjusting mechanism 34, wherein a plurality of supporting rods 35 are arranged on the turntable 31 along the circumferential direction in an array manner, a magnetic steel clamping groove 36 is formed between each two supporting rods 35 and the turntable 31, the magnetic steels 32 are clamped in the magnetic steel clamping grooves 36, the hoop is arranged on the outer periphery of the magnetic steels 32, the rotor vibration adjusting mechanism 34 is arranged between the turntable 31 and the magnetic steels 32, the rotor vibration adjusting mechanism 34 comprises at least one balance adjusting block 341, an extrusion baffle 342, a baffle fastening assembly 343 and an adjusting block mounting groove 344, each adjusting block mounting groove 344 positioned between the two supporting rods 6 comprises a plurality of slots 3443, the adjusting block mounting grooves 344 are arranged between the two adjacent supporting rods 35, the balance blocks 341 are arranged in the adjusting block mounting grooves 344, a gap is arranged between the extrusion baffle 342 and the adjusting block mounting grooves 344, the top and the bottom of each adjusting block are provided with a gap 3411, and the top of each adjusting block is provided with a gap 3411, and the top surface 3411 is provided with a top and a bottom 3411, and a bottom 3411 is provided with a top and two side of the top 3411, and a top 3411 is provided with the top surface of each adjusting block 3411; the two extrusion baffles 342 are arranged on two sides of the balance adjusting block 341, one side of the extrusion baffles 342, which faces the adjusting surface 3411, is provided with an extrusion surface 3421 with the same inclination angle as the adjusting surface 3411, the baffle fastening assembly 343 comprises 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 turntable, the extrusion baffles 342 are 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. 5, the sealed heat conducting mechanism 5 includes a heat conducting plate 51, a sealing plate 52, and a heat dissipation post 53, the cooling circuit 4 is a stepped groove, 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 conducting plate 51 is fixed on the other surface of the sealing plate 52, the heat dissipation post 53 passes through the sealing plate 52 and is fixedly connected with the heat conducting plate 51, and the heat dissipation post is tightly attached to the sealing plate 52, a clamping groove 403 is formed on the first step, a sealing strip 521 mutually matched with the clamping groove 403 is formed on the sealing plate 52, a clamping ring 402 is formed on the second step, a sealing ring 522 mutually matched with the clamping ring 402 is fixedly connected on the heat conducting plate 51, and the heat dissipation post 53 is in a shuttle shape.
As shown in fig. 13-18, the side portion of the support rod 35 is formed with a limit groove 351 along the radial direction of the turntable 31, the magnetic steel 32 is formed with a limit protruding strip 321 that is mutually matched with the limit groove 351, the limit groove 351 is an arc-shaped groove, and the hoop 33 is a fiber strip, and the fiber strip is wound around the outer periphery of the magnetic steel 32.
The working principle of the structure of the invention is as follows: according to the embodiment shown in fig. 1-18, the sealing plate 52 of the sealed heat conducting mechanism 5 is embedded on the first step 401, meanwhile, the sealing strip 521 is clamped in the clamping groove 403, the sealing ring 522 on the heat conducting plate 51 is clamped in the clamping ring 62, the heat conducting plate 51 and the water-cooled end cover 1 are fixedly connected in a sealing way by adopting screws, so that the connection of the sealed heat conducting mechanism 5 and the water-cooled end cover 1 is completed, then the winding coil 22 is wound on the stator core 21, the stator core 21 around which the winding coil 22 is wound and the rotor assembly are arranged between the two water-cooled end covers 1, the two water-cooled end covers 1 are connected by the screws, so that the installation of the motor is completed, then cooling water is input into the cooling circuit 4 through the inlet cooling channel 41, and under the sealing effect of the sealing plate 52, the clamping groove 403, the sealing ring 62 and the sealing ring 522, the cooling water cannot flow out from the sealed heat conducting mechanism 5, so that the normal operation of the motor is ensured, and meanwhile, the heat can be quickly transferred to the cooling circuit 4 by the heat conducting effect of the sealed heat conducting mechanism 5, so that the heat is quickly dissipated, 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, the magnetic steel 32 moves in the circumferential direction in the rotation process, then the fiber strips are wound on the outer periphery of the magnetic steel 32, the outer periphery of the magnetic steel 32 is fixed, but the magnetic steel 32 is only subjected to one acting force in the radial direction due to the fact that only the fiber strips are wound, so that the magnetic steel 32 is easy to shake in the high-speed operation, a balance adjusting block 341 is clamped into a slot 3443 positioned at the most central position between every two supporting rods 35, the balance of a rotor structure is ensured, then an extrusion baffle 342 is placed into the baffle limiting groove 346, a fastening screw 3431 penetrates through a first through hole 3441 and a second through hole 3442 to be matched with a locking nut 3432, the extrusion baffle 342 generates a force for pushing the balance adjusting block 341 out of the adjusting block mounting groove 344, so that the balance adjusting block 341 is slightly pushed out of the adjusting block mounting groove 344, 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 unstable mounting, then the rotor structure is detected by a dynamic balance detection device, the place of uneven weight is detected, the fastening screw 3431 and the locking nut 3432 are disassembled, the extrusion baffle 342 is taken down, a new number of balance adjusting blocks 341 are clamped into other slots 3443 as required to be used as the balance blocks, then the extrusion baffle 342 is mounted by the fastening screw 3431 and the locking nut 3432, the fixation of the balance adjusting block 341 is completed, the dynamic balance of the motor is realized by using the balance adjusting block 341 as the balance blocks, the anti-vibration rotor assembly 3 is mounted in the two water-cooling end covers 1, the problem that the magnetic steel and the turntable are not firmly installed, and the rotor structure does not realize dynamic balance, so that the vibration phenomenon caused by the motor in high-speed operation is solved, and the efficiency of the motor is improved.
In the cooling process, the cooling water exchanges heat through the inner heat dissipation channel 47 on the heat generated by the winding coil 22 close to the inner ring of the stator core 21 and the heat generated by the heat conduction plate 51 and the heat dissipation column 53 and transmitted to the inner heat dissipation channel 47, and then exchanges heat through the outer heat dissipation channel 46 on the heat generated by the winding coil 22 close to the outer ring of the stator core 21 and the heat generated by the heat conduction plate 51 and the heat dissipation column 53 and transmitted to the outer heat dissipation channel 46, so that the heat generated by the vicinity of the winding coil 22 is subjected to important heat dissipation, the heat dissipation effect of the vicinity of the winding coil 22 is improved, the whole heat dissipation effect of the motor is improved, the advantage of large internal and external temperature difference can be reasonably utilized through the way that the cooling water in the inner heat dissipation channel 47 flows to the outer heat dissipation channel 46, the inner ring can be subjected to full heat dissipation while the outer ring of the stator assembly is ensured, 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 dissipation post 53 has an elliptical shape, and the long axis direction of the elliptical shape matches the flow direction of the cooling water.
Example 3
As shown in fig. 12, the difference from the above-described embodiment 1 is that the cooling circuit 4 includes an annular main heat dissipation path 48 and a split heat dissipation ring 49, and the head and tail ends of the annular main heat dissipation path 48 are respectively connected to a cooling liquid inlet 71 and a cooling liquid outlet 72 of the cooling liquid connection box 7; the split-flow heat dissipation ring 49 and the back side position of the winding coil 22 are in one-to-one correspondence to form the strong heat exchange area 43, the split-flow heat dissipation ring 49 comprises a split-flow island stage 491 in the middle, and an outer heat exchange flow channel 492 and an inner heat exchange flow channel 493 on two sides of the split-flow island stage 491, the width A of the outer heat exchange flow channel 492 is smaller than the width B of the inner heat exchange flow channel 493, the split-flow island stage 491 is in a fusiform shape, and two ends of a fusiform tip are positioned in the water inlet and outlet directions of the annular main heat dissipation channel 48.
Claims (5)
1. A high efficiency disc motor, characterized by: the anti-vibration motor comprises a water-cooling end cover (1), a high heat conduction stator assembly (2), an anti-vibration rotor assembly (3), wherein two ends of the anti-vibration rotor assembly (3) are rotatably installed in the water-cooling end cover (1), the high heat conduction stator assembly (2) is fixed in the water-cooling end cover (1), the high heat conduction stator assembly (2) comprises a stator iron core (21), winding coils (22) and a sealing heat conduction mechanism (5), a plurality of stator iron core teeth (211) are arrayed on the surface of the stator iron core (21) along the circumferential direction, the winding coils (22) are installed on the stator iron core teeth (211), the sealing heat conduction mechanism (5) is arranged between the water-cooling end cover (1) and the stator iron core (21), a cooling loop (4) is arranged in the water-cooling end cover (1), a strong heat exchange area (43) is arranged at the back position 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 outlet (71) and a cooling liquid inlet (72) are arranged in the cooling liquid connecting box (7). The cooling loop (4) is connected with a cooling liquid connection box (7);
the anti-vibration rotor assembly (3) comprises a rotary table (31), a plurality of magnetic steels (32), hoops (33) and a rotor vibration adjusting mechanism (34), wherein a plurality of support rods (35) are arranged on the rotary table (31) along the circumferential direction in an array manner, magnetic steel clamping grooves (36) are formed between every two support rods (35) and the rotary table (31), the magnetic steels (32) are clamped in the magnetic steel clamping grooves (36), the hoops (33) are arranged on the outer periphery of the magnetic steels (32), and the rotor vibration adjusting mechanism (34) is arranged between the rotary table (31) and the magnetic steels (32);
the rotor vibration adjusting mechanism (34) comprises at least one balance adjusting block (341), an extrusion baffle (342), a baffle fastening assembly (343) and an adjusting block mounting groove (344), wherein the adjusting block mounting groove (344) is formed in the outer ring of the turntable (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 arranged in the slots (3443), and a gap (345) is formed between the extrusion baffle (342) and the adjusting block mounting groove (344);
baffle limiting grooves (346) are formed in the upper side and the lower side of the adjusting block mounting groove (344), and the extrusion baffle (342) is arranged in the baffle limiting grooves (346);
the two sides of the balance adjusting block (341) are provided with adjusting surfaces (3411), the adjusting surfaces (3411) incline 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 tightening working surface (3412), and the tightening working surface (3412) is propped against the bottom of the magnetic steel (32); the two extrusion baffles (342) are arranged on two sides of the balance adjusting block (341), and one side of the extrusion baffle (342) facing the adjusting surface (3411) is provided with an extrusion surface (3421) with the same inclination angle as the adjusting surface (3411);
the baffle fastening assembly (343) comprises a fastening screw (3431) and a locking nut (3432), a first through hole (3441) is formed in the adjusting block mounting groove (344) along the axial direction of the rotary table (31), a second through hole (3442) corresponding to the first through hole (3441) is formed in the extrusion baffle (342), and the fastening screw (3431) penetrates through the first through hole (3441) and the second through hole (3442) to be connected with the locking nut (3432).
2. A high efficiency disc electric machine according to claim 1, characterized in that the cooling circuit (4) comprises an outer heat dissipation channel (46) and an inner heat dissipation channel (47), the tail parts of the outer heat dissipation channel (46) and the inner heat dissipation channel (47) are mutually communicated, and the head parts 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-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 flat flow area (461) and an inclined flow area (462) which are alternately connected, and the inclined flow areas (462) of the outer heat dissipation channel (46) and the inner heat dissipation channel (47) are in one-to-one correspondence with the positions of the back sides of the winding coils (22) to form the strong heat exchange area (43).
3. A high efficiency disc motor according to claim 1, wherein the cooling circuit (4) comprises 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 respectively connected with a cooling liquid inlet (71) and a cooling liquid outlet (72) of the cooling liquid connection box (7); the shunt heat dissipation ring (49) and the back side position of the winding coil (22) are in one-to-one correspondence to form the strong heat exchange area (43), the shunt heat dissipation ring (49) comprises a shunt island table (491) in the middle, and an outer heat exchange runner (492) and an inner heat exchange runner (493) on two sides of the shunt island table (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. A high efficiency disc motor according to claim 2 or 3, wherein the sealed heat conducting mechanism (5) comprises a heat conducting 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 (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 dissipation column (53) passes through the sealing plate (52) and is fixedly connected with the heat conducting plate (51) and is tightly attached to the sealing plate (52), a clamping groove (403) is formed in the first step (401), a sealing strip (521) which is mutually matched with the clamping groove (403) is formed in the sealing plate (52), a clamping ring (404) is formed in the second step (402), and a sealing ring (522) which is mutually matched with the clamping ring (404) is fixedly connected with the heat conducting plate (51).
5. A high efficiency disk motor as set forth in claim 4 wherein,
the side of bracing piece (35) is followed the radial direction shaping of carousel (31) has spacing recess (351), magnet steel (32) shaping have with spacing sand grip (321) of spacing recess (351) mutually supporting.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210329381.2A CN114726151B (en) | 2022-03-30 | 2022-03-30 | High-efficiency disc type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114726151A CN114726151A (en) | 2022-07-08 |
| CN114726151B true CN114726151B (en) | 2024-02-23 |
Family
ID=82239415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210329381.2A Active CN114726151B (en) | 2022-03-30 | 2022-03-30 | High-efficiency disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114726151B (en) |
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 |
| 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 |
-
2022
- 2022-03-30 CN CN202210329381.2A patent/CN114726151B/en active Active
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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114726151A (en) | 2022-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI424663B (en) | A motor with heat pipe | |
| RU2332602C2 (en) | Sealing device and ventilating system of electric generator with sealing device | |
| WO2021196405A1 (en) | Air cooling structure of outer rotor electric roller | |
| KR101804758B1 (en) | Rotation apparatus | |
| US20110278969A1 (en) | Electrical machine with multiple cooling flows and cooling method | |
| JP6560033B2 (en) | Rotating electric machine and rotating electric machine cooling system | |
| RU2010106072A (en) | DEVICE AND METHOD FOR FIXING AND ATTACHING PERMANENT MAGNETS AND IMPROVING COOLING IN A ROTATING ELECTRIC MACHINE USING TILTED MAGNETS WITH FOCUSED FLOW | |
| CN114726151B (en) | High-efficiency disc type motor | |
| CN107994735B (en) | Motor cooling system | |
| JP2013062898A (en) | Rotary electric machine | |
| JPH11324696A (en) | Outboard motor | |
| CN206759275U (en) | Single-bearing outer rotor disc type motor | |
| JP2019213282A (en) | Dynamo-electric machine and stator cooling structure | |
| JP4003228B2 (en) | Air cooling motor | |
| US3784851A (en) | Ventillating arrangement for dynamo-electric machines | |
| CN115912750A (en) | Waterproof dustproof high-efficient heat dissipation permanent-magnet machine | |
| CN213461439U (en) | Stator core convenient to heat dissipation | |
| US20230301604A1 (en) | Support frame for ct slip-ring bearing | |
| CN114759720A (en) | New forms of energy driving motor cooling shell | |
| CN106505816B (en) | Disk type permanent magnet generator | |
| CN107994706B (en) | Ultra-high speed motor | |
| JPH07264809A (en) | Totally enclosed fan-cooled type rotary electric machine | |
| WO2021012134A1 (en) | Disc-type electric motor combined fixed fan | |
| RU2809517C1 (en) | Air cooling drum motor design with external rotor | |
| CN211089300U (en) | End cover structure of electric brush of automobile generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |