CN109256882A - Motor and its manufacture installation method - Google Patents

Abstract

The present invention provides a kind of motor and its manufacture installation method.Motor includes shell, stator and rotor；Stator is set in shell；Rotor is set to the radially inner side of stator；Stator has stator slot and stator winding.Stator winding is made of copper bar conductor, and is provided with insulated paint on the outside of copper bar conductor；Stator winding includes multiple straightways, and at least one linkage section of two straightways of connection；At least one straightway is provided in each stator slot；Stator also includes multiple first insulating sleeves, and each first insulating sleeve is fabricated from a flexible material；Each end of each stator slot is provided at least one first insulating sleeve, to be set in a straightway and corresponding linkage section；With multiple second insulating sleeves, each second insulating sleeve is fabricated from a flexible material；And each second insulating sleeve is set in the middle part of each linkage section.After insulation effect, long service life.

Description

Motor and its manufacture installation method

Technical field

The present invention relates to motor fields, more particularly to a kind of motor and its manufacture installation method.

Background technique

Currently, in recent years, as electromechanics trade continues to develop, small size is constantly pursued by motor manufacturing enterprise, and high power is close Degree, motor is to power density and compact structure design requirement with higher.Stator copper factor is to influence power of motor density One of important indicator, the high motor of copper factor has higher power density and efficiency, and the shape of coil is to influence electric machine structure One of important indicator of compactness, coil are formed by conductor coiling, and conductor is divided into round conductor and square conductor.Although conductor is conducive to The raising of motor performance, but height is required in molding, offline aspect technique, square line line footpath is thick during offline, and bending stretched Journey can have damage line insulated paint, then influence whether the insulation performance of line.

In addition, more and more using the material of high electromagnetic load and thermic load in design of electrical motor, when motor operation, is produced Raw loss increases, and leads to that motor entirety temperature rise is excessively high or local temperature rise is excessively high, can not only reduce the service life of motor, influence The economic and technical norms such as efficiency, the torque of motor can also cause electric machine structure component severely deformed, jeopardize motor operation safety. Moreover, inventor also found that the energy comparison of existing motor radiating consumption is more, result in waste of resources.In addition, existing motor During the work time, because rotor rotation excessively acutely, strong vibration can be generated, violent vibration will lead to what motor operated It is unstable, influence the steady operation of motor.

Summary of the invention

The present invention, which invents, is intended to overcome at least one defect of existing motor, provides a kind of motor and its manufacture installation side Method, easy for installation, insulation rate is high.

For this purpose, the invention proposes a kind of motor, including shell, stator and rotor；The stator is set to the shell It is interior；The rotor is set to the radially inner side of the stator；The stator has stator slot and stator winding；Wherein, described fixed Sub- winding is made of copper bar conductor, and is provided with insulated paint on the outside of the copper bar conductor；The stator winding includes multiple straight lines Section, and at least one linkage section of two straightways of connection；It is provided with described at least one in each stator slot Straightway；

The stator also includes

Multiple first insulating sleeves, each first insulating sleeve are fabricated from a flexible material；Each stator slot Each end is provided at least one described first insulating sleeve, to be set in the straightway and the corresponding connection Section；With

Multiple second insulating sleeves, each second insulating sleeve are fabricated from a flexible material；And each described second is exhausted Edge sleeve is set in the middle part of each linkage section.

Further, the interior diameter for the end of each first insulating sleeve being located on the inside of the corresponding stator slot is small Interior diameter in the other end；

Multiple straightways are provided in each stator slot, then each end of each stator slot all has Multiple first insulating sleeves, the end one of multiple first insulating sleeve being located on the inside of the corresponding stator slot Molding.

Further, first insulating sleeve and second insulating sleeve include insulating paper and are set to described exhausted The insulating film of edge paper two sides.

Further, the insulating film includes: 80 parts by weight of polyimides, 80 parts by weight of polycarbonate, 5 weight of zinc oxide Part, 2 parts by weight of defoaming agent, 2 parts by weight of dispersing agent, 2 parts by weight of calgon, 0.5 parts by weight of alkyl imidazoline, polyoxyethylene 10 parts by weight of the double oleamides of 0.4 parts by weight of ether, 50 parts by weight of modified crosslinking polyethylene, ethylene, change 20 parts by weight of ceramic fibre 15 parts by weight of property montmorillonite, 5 parts by weight of rare earth element, 3 parts by weight of silane coupling agent.

Further, the insulating film includes: 95 parts by weight of polyvinyl chloride, dioctyl adipate 2-5 parts by weight, adjacent benzene two Formic acid dioctyl ester 2-8 parts by weight, zinc stearate 0.2-0.6 parts by weight, paraffin 0.15-0.25 parts by weight, ethane-acetic acid ethyenyl are total Polymers 3-10 parts by weight, pentaerythritol fatty acid ester 0.1-0.2 parts by weight, acetyl tributylcitrate 0.2-0.5 parts by weight, silicic acid are coprecipitated Shallow lake lead silicate 1-3 parts by weight, barium stearate 0.2-0.6 parts by weight, diphenol propane 0.01-0.02 parts by weight, N- phenyl Malaysia Acid imide 0.1-0.5 parts by weight.

Further, the stator also has multiple heat release hole groups, and there are two be set to one to each heat release hole group tool First strip-shaped hole of a corresponding stator slot two sides, each first strip-shaped hole extend along the axial direction of the stator, And the radial outside towards the stator that is open；

Multiple second strip-shaped holes are provided on the shell, each second strip-shaped hole corresponds to one described first The setting of shape hole；And

The motor further include:

Multiple first semiconductor chilling plates, each first semiconductor chilling plate are inserted into first strip-shaped hole, And the cold end of each first semiconductor chilling plate is facing towards closing on its stator slot；

External radiating device is set to the outer surface of the shell；And

Multiple first thermally conductive sheets, each first thermally conductive sheet are connect with the external radiating device, and each described One thermally conductive sheet is inserted into second strip-shaped hole and corresponding first strip-shaped hole, and in first strip-shaped hole The hot end face contact of first semiconductor chilling plate against.

Further, the external radiating device includes multiple second semiconductor chilling plates, each second semiconductor The cold end face paste of cooling piece is against the outer surface of the shell；And the cold end face of each second semiconductor chilling plate is in one The radial outside of a stator slot；

Be all connected at every side edge in the cold end face of each second semiconductor chilling plate one it is described first thermally conductive Piece.

Further, also there are multiple oilhole groups, each oilhole group has 3 to 5 edges on each stator The spaced rectangle oilhole of the axial direction of the stator, each oilhole group the rectangle oilhole connection described in The side towards the stator slot of the inside of stator and first strip-shaped hole.

The present invention also provides a kind of manufacture installation methods for any of the above-described kind of motor comprising:

Make multiple copper bar conductors, insulated paint smeared to each copper bar conductor, after to each copper bar conductor into Row bending process, to form straightway and linkage section；

In each end of each stator slot, the first insulating sleeve is set；

Second insulating sleeve is set on each copper bar conductor, the institute into the stator slot after insertion bending Copper bar conductor is stated, is then set with second insulating sleeve again on each copper bar conductor；

Weld one end of a copper bar conductor and one end of another copper bar conductor, or the welding copper bar conductor Both ends；

Each second insulating sleeve is moved to the middle part of each linkage section.

In motor of the invention, due to having the first insulating sleeve and the second insulating sleeve, it is ensured that copper bar conductor is curved During folding, even if insulated paint damages, it also can guarantee the insulation performance of copper bar conductor, motor can be protected, improve making for motor Use the service life.

Further, the end of multiple first insulating sleeves being located on the inside of corresponding stator slot is integrally formed, and in inner end Diameter is greater than outer end interior diameter, it is ensured that the fastness of the first insulating sleeve installation, it will not be because of vibration of motor etc. from stator The end of slot is detached from.Moreover, outer end is separately positioned, it also can guarantee the diversity of multiple copper bar conductor bendings, copper bar will not be led It is interfered the position of body.

Further, in motor of the invention, the special composition of insulating film, not only high temperature resistant, and there is good heat dissipation Function is quickly transferred on the outside of the windings such as stator convenient for the heat on copper bar conductor.

According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.

Detailed description of the invention

Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:

Fig. 1 is the schematic diagram of motor according to an embodiment of the invention；

Fig. 2 is the schematic local structural graph of motor shown in Fig. 1；

Fig. 3 is the schematic diagram of the stator core in the stator of motor shown in Fig. 1；

Fig. 4 is the show in schematic partial sections of stator core shown in Fig. 3；

Fig. 5 is mounted to the schematic diagram of a copper bar conductor on stator core；

Fig. 6 is the schematic cross sectional views of motor shown in FIG. 1；

Fig. 7 is the schematic expanded view in Fig. 6 at A；

Fig. 9 and Fig. 8 is respectively the schematic diagram of two connecting brackets；

Figure 10 is the schematic diagram of motor according to an embodiment of the invention；

The schematic cross sectional views of connection structure of the Figure 11 between pedestal and shell；

Figure 12 is the schematic local structural graph of rotor.

Figure 13 is the schematic flow chart according to the motor radiating control method of one embodiment of the invention.

Specific embodiment

Fig. 1 is the schematic diagram of motor according to an embodiment of the invention.As shown in Figure 1, and referring to figs. 2 to figure 13, the embodiment of the invention provides a kind of motors.Usual motor may include shell 100, stator 200 and rotor 300.Shell 100 The usually end cap with main casing 110 and setting and 110 both ends of main casing, such as housing forward end lid 120 and housing rear end lid 130.Stator 200 are set in shell 100.Rotor 300 is set to the radially inner side of stator 200.The iron core of stator 200 has stator slot 210, Stator slot 210 is for winding winding 240.

As shown in figure 5, stator winding 240 is made of copper bar conductor 241, and insulated paint is provided on the outside of copper bar conductor 241； Stator winding includes multiple straightways 242, and at least one linkage section 243 of two straightways 242 of connection；Each stator slot Inside it is provided at least one straightway 242.Stator also has multiple first insulating sleeves 244 and multiple second insulating sleeves 245. Each first insulating sleeve 244 is fabricated from a flexible material；Each end of each stator slot be provided at least one first absolutely Edge sleeve 244, to be set in a straightway 242 and corresponding linkage section 243.Each second insulating sleeve 245 is by flexible material It is made；And each second insulating sleeve 245 is set in the middle part of each linkage section 243.

Further, the interior diameter for the end of each first insulating sleeve 244 being located on the inside of corresponding stator slot is less than another The interior diameter of one end.Multiple straightways 242 are provided in each stator slot, then each end of each stator slot all has more The end of a first insulating sleeve 244, multiple first insulating sleeve 244 being located on the inside of corresponding stator slot is integrally formed, can Fastness including installation, and guarantee the diversity of stator overbending direction, it is suitble to various coils.

In some embodiments of the invention, the first insulating sleeve 244 and the second insulating sleeve 245 include insulating paper and It is set to the insulating film of insulating paper two sides.In some embodiments, insulating film includes: 80 parts by weight of polyimides, polycarbonate 80 parts by weight, 5 parts by weight of zinc oxide, 2 parts by weight of defoaming agent, 2 parts by weight of dispersing agent, 2 parts by weight of calgon, alkyl imidazole 0.5 parts by weight of quinoline, 0.4 parts by weight of polyoxyethylene ether, 50 parts by weight of modified crosslinking polyethylene, ethylene 10 weight of double oleamides Part, 20 parts by weight of ceramic fibre, 15 parts by weight of modified montmorillonoid, 5 parts by weight of rare earth element, 3 parts by weight of silane coupling agent.Another In some alternate embodiments, insulating film includes: 95 parts by weight of polyvinyl chloride, dioctyl adipate 2-5 parts by weight, O-phthalic Dioctyl phthalate 2-8 parts by weight, zinc stearate 0.2-0.6 parts by weight, paraffin 0.15-0.25 parts by weight, ethane-acetic acid ethyenyl copolymerization Object 3-10 parts by weight, pentaerythritol fatty acid ester 0.1-0.2 parts by weight, acetyl tributylcitrate 0.2-0.5 parts by weight, silicic acid co-precipitation Lead silicate 1-3 parts by weight, barium stearate 0.2-0.6 parts by weight, diphenol propane 0.01-0.02 parts by weight, N- phenyl Malaysia acyl Imines 0.1-0.5 parts by weight.

In some embodiments of the invention, in order to improve the heat dissipation performance of motor, stator 200 also has multiple heat release holes Group, there are two the first strip-shaped holes 220 for being set to 210 two sides of corresponding stator slot for each heat release hole group tool.Each first Shape hole 220 extends along the axial direction of stator 200, and the radial outside towards stator 200 that is open.It is provided on shell 100 more A second strip-shaped hole, each second strip-shaped hole correspond to the first strip-shaped hole 220 setting.

Motor further comprises multiple first semiconductor chilling plates 510, external radiating device 520 and multiple first thermally conductive Piece 530.Each first semiconductor chilling plate 510 is inserted into first strip-shaped hole 220, and each first semiconductor chilling plate 510 Cold end facing towards closing on its stator slot 210.That is, the two sides of each stator slot 210 are the first semiconductor refrigerating The cold end face of piece 510, to accelerate the heat dissipation of winding.External radiating device 520 may be disposed at the outer surface of shell 100.Each One thermally conductive sheet 530 is connect with external radiating device 520, and each first thermally conductive sheet 530 is inserted into second strip-shaped hole and one A corresponding first strip-shaped hole 220, and supported with the hot end face contact of the first semiconductor chilling plate 510 in first strip-shaped hole 220 It leans on.And first semiconductor chilling plate 510 and the first thermally conductive sheet 530 be completely filled with the first strip-shaped hole 220 of closing, and first is thermally conductive Piece 530 need to be completely filled with the second strip-shaped hole.

In the motor of the embodiment of the present invention, the first semiconductor chilling plate 510 is set to the slit opened up in stator slot 210 In and alignment winding 240, and the heat derives that can be rapidly distributed winding 240 etc. by thermally conductive sheet 530 to external cooling fills 520 are set, motor radiating is high-efficient, guarantees the economic and technical norms such as efficiency, the torque of motor.Symmetrically arranged two the first half are led Body cooling piece can make winding heat dissipation uniformly as far as possible, the motor integral heat sink structure being uniformly arranged, it is ensured that motor radiates on the whole Uniformly, motor energy efficiency is further increased.

In some preferred embodiments of the invention, external radiating device 520 includes multiple second semiconductor chilling plates, The cold end face paste of each second semiconductor chilling plate is against the outer surface of shell 100.And each second semiconductor chilling plate is cold End face is in the radial outside of a stator slot 210.Certainly, in some alternate embodiments, each second semiconductor refrigerating The cold end face of piece is in the radial outside in the region between two neighboring stator slot 210.Each second semiconductor chilling plate it is cold First thermally conductive sheet 530 is all connected at every side edge of end face.

In other preferred embodiments of the invention, external radiating device 520 includes third semiconductor chilling plate.The Three semiconductor chilling plates are cylindrical in shape, and are set in shell 100, and the peripheral wall in the cold end face of third semiconductor chilling plate and shell 100 It contacts against.When external radiating device 520 also uses semiconductor chilling plate, the heat dissipation effect of motor more ensure that.In addition, The hot and cold side of semiconductor chilling plate is exchanged, and the motor can be made effectively to solve motor internal lubrication oil frozen problem, if on cold ground Area uses, and can preheat to inside, preheating speed is fast, can effectively protect motor.

In some further embodiments of the invention, mounting groove is offered on shell 100, to install multiple the second half Conductor cooling piece or installation third semiconductor chilling plate, and the hot end face of each second semiconductor chilling plate or third semiconductor system Cold hot end face is contacted with the outer surface heat of shell 100.Radiating groove is offered on the outer surface of shell 100.It is arranged in this way The outer surface of shell 100 can be made full use of to radiate, so that the hot end face of the second semiconductor and third semiconductor does not have to setting Radiating fin can be such that the effective volume of motor reduces.Certainly, those skilled in the art can also partly lead in the second semiconductor and third Radiating fin is arranged in the hot end face of body.Moreover, optionally, each first semiconductor chilling plate 510 is also inserted into one corresponding Two strip-shaped holes.When heat sinking function in order to make full use of shell, it is preferable that the first semiconductor chilling plate 510 is not inserted into accordingly Second strip-shaped hole.The length of each first strip-shaped hole 220 is 0.5 to 0.7 times of the length of stator slot 210, and is in stator 200 Middle part along its length.The length of each second strip-shaped hole is 0.6 to 0.8 times of the length of the first strip-shaped hole 220.

Further, it is also set up between 100 inner wall of region and shell in each 210 outside of stator slot of stator 200 There are multiple second thermally conductive sheets.Alternatively, each region of the lateral surface of stator 200 can be arranged between 100 inner wall of shell it is multiple Second thermally conductive sheet.Moreover, each first thermally conductive sheet 530 is on the region between stator 200 and shell 100, and each On second thermally conductive sheet, multiple through-holes are provided with, the diameter of each through-hole is 0.05mm to 0.15mm.In this way, can prevent Closed area is presented between stator 200 and shell 100, influences motor performance, such as lubricating oil enters the region and do not go out.

In some embodiments of the invention, as shown in Figure 3 and Figure 4, also there are multiple oilhole groups on each stator 200, Each oilhole group have 3 to the spaced rectangle oilhole 230 of 5 axial directions along stator 200, each oilhole group Rectangle oilhole 230 is connected to the inside of stator 200 and the side towards stator slot 210 of first strip-shaped hole 220.Setting length The lubricating oil that rectangular oilhole 230 can be such that rotor 300 carries enters oilhole, after semiconductor chilling plate heat exchange, in the movement of motor It vibrates or by under the action of self gravity, flows out rectangle oilhole 230, accelerate the decline of lubricating oil temperature.For example, in electricity The lubricating oil in rectangle oilhole 230 on the upside of machine can be under the action of the motion oscillations of motor or dependence self gravity.It is in Lubricating oil in the rectangle oilhole 230 of downside can shake out under the motion oscillations of motor.

The long side face of each rectangle oilhole 230 extends along the axial direction of stator 200.And each rectangle oilhole 230 Two long side faces include the first long side face and the second long side face, and along the rotation direction of rotor 300, it is long that the first long side face is in second The upstream side in side face.The side for closing on mover in the first long side face is provided with the first chamfer bevel, and closing on for the second long side face is dynamic The side of son is provided with the second chamfer bevel, is respectively formed the first fillet surface 231 and the second fillet surface 232.Second chamfer bevel Tilt angle be greater than the first chamfer bevel tilt angle.The oil droplet that rotor 300 carries founders the under the influence of centrifugal force One long side face, the rear oil droplet squeezed out in rectangle oilhole 230, the second tilt angle is larger, can make the motion ratio of oil droplet smoothly. Wherein, the size of chamfer bevel refers to the difference of the angle between 180 ° and corresponding long side face.

In some embodiments of the invention, as shown in Figures 6 to 9, rotor 300 may include output shaft 310, rotor axle sleeve 320,330, two the first rolling bearing assemblies 340 of rotor core and two the second rolling bearing assemblies 350.

Each first rolling bearing assembly 340 includes the first rolling bearing 341, and is set to the first rolling bearing 341 Shock-damping structure 342 on outer peripheral surface.And the both ends of output shaft 310 pass through the first rolling bearing assembly 340 and are installed on shell 100.Such as it is installed on the drive end bearing bracket 120 and rear end cap 130 of shell 100.

The both ends of the surface of rotor axle sleeve 320 all have annular recess, so that rotor axle sleeve 320 includes inner cylinder portion 321, outer cylindrical portion 322 and interconnecting piece 323.Inner cylinder portion 321 is installed on output shaft 310, and outer cylindrical portion 322 is set to the radial outside of inner cylinder portion 321, connects Socket part 323 is set between inner cylinder portion 321 and outer cylindrical portion 322, to connect inner cylinder portion 321 and outer cylindrical portion 322.Specifically, it exports Axis 310 is installed in the centre bore of inner cylinder portion 321, and output shaft 310 and inner cylinder portion 321 carry out transmission company by spline drived structure It connects.Rotor core 330 is installed on the outside of rotor axle sleeve 320.Rotor core 330 is installed on outer cylindrical portion 322.

Each second rolling bearing assembly 350 includes the second rolling bearing 351 and connecting bracket 352.Two second rollings Bearing 351 is respectively arranged at the both ends of inner cylinder portion 321, and the outer ring of each second rolling bearing 351 passes through a connecting bracket 352 are installed on shell 100.

The embodiment of the present invention can reduce the weight of rotor 300, by the way that rotor 300 is arranged to special structure convenient for turning The processing and manufacturing of son 300, rotor core 330 are easily replaced, and rotor axle sleeve 320 is generally applicable.Particularly, the weight saving of rotor 300 Later, the power of own rotation consumption is less, significantly improves efficiency.

Further, the rotor 300 of motor is realized using two connecting brackets 352 and two the second rolling bearings 351 It is fixedly mounted, using two the first rolling bearings 341 and shock-damping structure 342, realizes the auxiliary installation of rotor 300, have certain Elasticity, perturbation, and have enough support strengths, significantly improve rotor 300 work when stability, and then guarantee it is defeated Powerdriven stability between shaft 310 and transmission parts.Prevented also from only with it is existing, at 310 both ends of output shaft Two rolling bearings being arranged and being directly mounted at shell 100, it is understood that there may be the inadequate problem of support force.It can prevent from leading to Cross multiple rolling bearings, cause the disturbance performance of output shaft 310 insufficient, the rotation of output shaft 310 may be locked, influence bearing and The service life of rotor 300.

In some embodiments of the invention, in order to further decrease motor operating when vibration and noise.Such as Figure 10 To shown in Figure 12, pedestal 600 can be equipped with below shell 100.It is provided with support pillar 610 on pedestal 600, is set on shell 100 It is equipped with stop sleeve 620.Stop sleeve 620 is sheathed on support pillar 610, the bottom surface of stop sleeve 620 and support pillar 610 End face between be provided with compressed spring 630 and the supporting pad positioned at 630 ring inner side and outer side of compressed spring.

Further, uniformly distributed multiple pillars 640 on the lower end surface of stop sleeve 620, the lower end of each pillar 640 is provided with Multiple limited blocks are enclosed with damping mat on each limited block.The outside of support pillar 610 is evenly equipped with multiple connection spacing collars 650.Each limited block is inserted into a connection spacing collar 650, and is provided with to be located between each limited block and pedestal 600 and be connected Connect the extension spring 660 in spacing collar 650.Preferably, the quantity for supporting pillar 610 and stop sleeve 620 is four, if It is placed in the rear and front end of shell 100；And each support pillar 610, each stop sleeve 620, each pillar 640 and each connection Spacing collar 650 is obliquely installed.

In embodiments of the present invention, compressed spring 630 and extension spring 660 are used cooperatively, and can be eliminated as much as possible Noise when motor oscillating, and guarantee stability when rotor 300 vibrates, prevent the biography connected to it of output shaft 310 Dynamic component be detached from, even if slightly off can also Quick-return, will not to it is subsequent transmission impact.That is, in the implementation In example, rotor 300 is using between special fixed form and motor whole (shell 100 and its internal structure) and pedestal 600 Special fixed form, the two combines, and can eliminate noise when motor oscillating as much as possible, and guarantee rotor 300 Stability when vibration prevents the transmission parts connected to it of output shaft 310 to be detached from, even if slightly off can also quickly return It is multiple, subsequent transmission will not be impacted.

In some embodiments of the invention, shock-damping structure 342 is resilient cushion, damping mat or is distributed in first with multiple The compressed spring of rolling bearing 341.As shown in Figure 7 and Figure 8, connecting bracket 352 may include fixed ring 353, fixed flange 354 With multiple disc 355.The outer ring of second rolling bearing 351 is installed on fixed ring 353.Fixed flange 354 is installed on shell 100 Inside, and with rotor 300 be coaxially disposed.Multiple disc 355 are connected to fixed ring 353 and fixed flange 354.

In some embodiments of the invention, each disc 355 has horizontal extension section 356, vertical extended segment 357 and snake Shape extended segment 358.Horizontal extension section 356 is connected to the outer peripheral surface of fixed ring 353.Vertical extended segment 357 is connected to mounting flange The side towards rotor 300 of disk 354.The both ends of snakelike extended segment 358 are connected to vertical extended segment 357 and horizontal extension Section 356, and it is tangent with vertical extended segment 357 and horizontal extension section 356；And snakelike extended segment 358 is on the whole in closing on it The end of output shaft 310 arch upward.Using snakelike extended segment 358, the tension of steel plate and the bounce after compression can make patent The vibration of movement quickly reduces, and Amplitude Comparison is small, can make rotor 300 rapidly and make rotor 300 to reset, and guarantees rotor 300 and whole The operation stability of a motor.In some alternate embodiments, each disc 355 is to the end for the output shaft 310 for closing on it The smooth curved plate that portion arches upward.

In some embodiments of the invention, as shown in figure 12, the front end of rotor core 330 may be provided with front apron 360, Rear end is provided with rear baffle 370.The front end of the outer cylindrical portion 322 of rotor axle sleeve 320 is provided with fin.When installation, first by front apron 360 cooperate with fin, and rotor core 330 is then installed on outer cylindrical portion 332, after rear baffle 370 is mounted on outer cylindrical portion 322 are fixed.

The embodiment of the invention also provides a kind of manufacture installation method for the motor in any of the above-described embodiment, packets Include: making multiple copper bar conductors 241, to each copper bar conductor 241 smear insulated paint, after each copper bar conductor 241 is carried out it is curved Folding processing, to form straightway 242 and linkage section 243.In each end of each stator slot, the first insulating sleeve 244 is set. Second insulating sleeve 245 is set on each copper bar conductor 241, the copper bar conductor 241 into stator slot after insertion bending, Then it is set with second insulating sleeve 245 again on each copper bar conductor 241.Weld one end of a copper bar conductor 241 with One end of another copper bar conductor 241, or the both ends of welding copper bar conductor 241.Each second insulating sleeve 245 is moved to each The middle part of linkage section 243.

The embodiment of the invention also provides a kind of motor radiating control methods.Motor further includes multiple temperature sensors (figure In be not shown), each temperature sensor is set to the rear end of second strip-shaped hole, to detect first in second strip-shaped hole The temperature of thermally conductive sheet 530.As shown in figure 13, motor radiating control method includes: step A: being detected using each temperature sensor The temperature of corresponding first thermally conductive sheet 530.Step B: according to the temperature of each first thermally conductive sheet 530, corresponding first semiconductor is controlled The performance number of cooling piece 510, so that the difference between the temperature of the first thermally conductive sheet of any two 530 is within a preset range.

In this embodiment, the operating power value of each first semiconductor chilling plate 510 is made to be not quite similar, to motor into The reasonable heat dissipation of row.I.e. by the operating power value of the first semiconductor chilling plate 510 of control, make the heat dissipation of motor and the hair of motor Heat reaches effective and reasonable unification, makes full use of the first semiconductor chilling plate 510 of different heat radiation powers, guarantees motor radiating Reasonability, i.e., the local rapid heat dissipation more than heat, the few place heat dissipation of heat is slow, reaches the unification of heat dissipation and fever, and then can make Temperature at each position of motor reaches unanimity, to guarantee the performance of motor.Preset range is preferably 0 DEG C to 3 DEG C.

It in some embodiments of the invention, further include step C before step A: when opening motor every time, and in electricity When the time interval that machine opens when the last motor of distance is closed is greater than prefixed time interval, environment temperature locating for motor is detected Degree, and according to the unlatching of environment temperature the first semiconductor chilling plate 510 of control；Such as the first semiconductor is determined according to environment temperature The delay opening time of cooling piece 510, and according to the unlatching of the first semiconductor chilling plate 510 of delay opening time control.Otherwise, When motor is opened, while opening the first semiconductor chilling plate 510.The embodiment of the present invention has fully considered the building ring of motor Border postpones the first semiconductor chilling plate of unlatching 510 of longer time in colder place, saves resource.On hotter ground Side, or twice the available machine time it is shorter in the case where, open the first semiconductor chilling plate 510 as soon as possible, carry out sufficiently effective Heat dissipation.Preferably, prefixed time interval is 2h to 4h, preferably 2.5h, 3h etc..

Further, after stepb further include step D: close motor stator and rotor preset time after close Semiconductor cooling piece 510.And preset time is 10min to 15min.After motor closing, motor fast cooling can be made extremely Under normal temperature state, motor is protected, prevents motor overheating loss etc..

Further, when external radiating device 520 includes multiple second semiconductor chilling plates, the second semiconductor chilling plate It is synchronous with the first semiconductor chilling plate 510 to open；The performance number of multiple second semiconductor chilling plates is identical.Work as external radiating device 520 include third semiconductor chilling plate.Third semiconductor chilling plate is synchronous with the first semiconductor chilling plate 510 to be opened.

In some currently preferred embodiments of the present invention, when external radiating device 520 includes multiple second semiconductor chilling plates When, the second semiconductor chilling plate is synchronous with the first semiconductor chilling plate 510 to be opened.And the power of each second semiconductor chilling plate It can be adapted with the power of corresponding first semiconductor chilling plate 510.For example, can be to be thermally connected to second semiconductor chilling plate The sum of power of two the first semiconductor chilling plates 510 or the sum of 1.02 times to 1.05 times.

So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims (9)

1. a kind of motor, including shell, stator and rotor；The stator is set in the shell；The rotor is set to institute State the radially inner side of stator；The stator has stator slot and stator winding；It is characterized in that, the stator winding is led by copper bar System at, and the copper bar conductor on the outside of be provided with insulated paint；The stator winding includes multiple straightways, and connection two At least one linkage section of the straightway；At least one described straightway is provided in each stator slot；

The stator also includes

Multiple first insulating sleeves, each first insulating sleeve are fabricated from a flexible material；Each of each described stator slot End is provided at least one described first insulating sleeve, to be set in the straightway and the corresponding linkage section； With

Multiple second insulating sleeves, each second insulating sleeve are fabricated from a flexible material；And each second insulation sleeve Cylinder is set in the middle part of each linkage section.

2. motor according to claim 1, which is characterized in that

The interior diameter for the end of each first insulating sleeve being located on the inside of the corresponding stator slot is less than the other end Interior diameter；

Multiple straightways are provided in each stator slot, then each end of each stator slot all has multiple First insulating sleeve, the end one being located on the inside of the corresponding stator slot of multiple first insulating sleeve at Type.

3. motor according to claim 1 or 2, which is characterized in that first insulating sleeve and second insulation sleeve Cylinder includes insulating paper and the insulating film for being set to the insulating paper two sides.

4. motor according to claim 3, which is characterized in that

The insulating film includes: 80 parts by weight of polyimides, 50 parts by weight of modified crosslinking polyethylene, ethylene 10 weight of double oleamides Measure part, 20 parts by weight of ceramic fibre, 15 parts by weight of modified montmorillonoid, 80 parts by weight of polycarbonate, 5 parts by weight of rare earth element, silicon 3 parts by weight of alkane coupling agent, 5 parts by weight of zinc oxide, 2 parts by weight of defoaming agent, 2 parts by weight of dispersing agent, 2 parts by weight of calgon, 0.5 parts by weight of alkyl imidazoline, 0.4 parts by weight of polyoxyethylene ether.

5. motor according to claim 3, which is characterized in that

The insulating film includes: 95 parts by weight of polyvinyl chloride, dioctyl adipate 2-5 parts by weight, dioctyl phthalate 2-8 Parts by weight, zinc stearate 0.2-0.6 parts by weight, paraffin 0.15-0.25 parts by weight, ethene-vinyl acetate copolymer 3-10 weight Part, pentaerythritol fatty acid ester 0.1-0.2 parts by weight, acetyl tributylcitrate 0.2-0.5 parts by weight, silicic acid are co-precipitated lead silicate 1-3 Parts by weight, barium stearate 0.2-0.6 parts by weight, diphenol propane 0.01-0.02 parts by weight, N-phenylmaleimide 0.1- 0.5 parts by weight.

6. motor according to claim 3, which is characterized in that the stator also has multiple heat release hole groups, each described There are two the first strip-shaped hole for being set to the corresponding stator slot two sides, each first strip-shaped hole edges for heat release hole group tool The axial direction of the stator extends, and the radial outside towards the stator that is open；

Multiple second strip-shaped holes are provided on the shell, each second strip-shaped hole corresponds to first strip-shaped hole Setting；And

The motor further include:

Multiple first semiconductor chilling plates, each first semiconductor chilling plate are inserted into first strip-shaped hole, and every The cold end of a first semiconductor chilling plate is facing towards closing on its stator slot；

External radiating device is set to the outer surface of the shell；And

Multiple first thermally conductive sheets, each first thermally conductive sheet are connect with the external radiating device, and each described first leads Backing is inserted into second strip-shaped hole and corresponding first strip-shaped hole, and in first strip-shaped hole described in The hot end face contact of first semiconductor chilling plate against.

7. motor according to claim 6, which is characterized in that the external radiating device includes multiple second semiconductor systems Cold, the cold end face paste of each second semiconductor chilling plate is against the outer surface of the shell；And each described the second half The cold end face of conductor cooling piece is in the radial outside of a stator slot；

First thermally conductive sheet is all connected at every side edge in the cold end face of each second semiconductor chilling plate.

8. motor according to claim 1, which is characterized in that

Also there are multiple oilhole groups, each oilhole group is with 3 to 5 axial directions along the stator on each stator The rectangle oilhole of the spaced rectangle oilhole in direction, each oilhole group is connected to the inside and one of the stator The side towards the stator slot of a first strip-shaped hole.

9. a kind of manufacture installation method for motor described in any one of claims 1 to 8 characterized by comprising

Make multiple copper bar conductors, insulated paint smeared to each copper bar conductor, after each copper bar conductor is carried out it is curved Folding processing, to form straightway and linkage section；

In each end of each stator slot, the first insulating sleeve is set；

Second insulating sleeve is set on each copper bar conductor, the copper into the stator slot after insertion bending Conductor, is then set with second insulating sleeve again on each copper bar conductor；

Weld one end of a copper bar conductor and one end of another copper bar conductor, or the two of the welding copper bar conductor End；

Each second insulating sleeve is moved to the middle part of each linkage section.