CN209526575U - A kind of stator module and motor in axial magnetic field - Google Patents

Abstract

The utility model discloses a kind of stator module and motor in axial magnetic field, the stator module includes stator case, stator core, coil, pole shoe and stator cover board, and stator core, coil and pole shoe are arranged in the space that stator case and stator cover board are surrounded；Coil is arranged in the open slot of stator core；Pole shoe is fixed on stator cover board, and when stator cover board is docked with stator case, pole shoe can be arranged at the notch of open slot.There is open slot on stator core in the utility model, facilitate the installation of coil, pole shoe is fixed on stator cover board, when stator cover board is docked with stator case, the pole shoe slot ripples that can reduce motor corresponding with the notch of open slot, the iron loss for reducing motor improves the efficiency of motor, while reducing the torque pulsation of motor.Since pole shoe is carried on stator cover board, in assembling, directly after docking stator cover board and stator case, pole shoe can be matched with open slot, to improve the production efficiency of motor.

Description

A kind of stator module and motor in axial magnetic field

Technical field

The utility model relates to technical field of motors, more specifically to a kind of stator module and axial magnetic field electricity Machine.

Background technique

Existing automobile drive electric motor operating condition is complicated, due to motor design feature itself, can produce in motor operation course Raw various losses, so as to cause the motor feels hot.Facilitate installation coil to improve, the slot on stator core is open slot Structure, and the degree of air gap harmonic wave is reduced by the way that slot wedge is arranged.But the installation of slot wedge increases the life of generator again simultaneously Produce efficiency.Therefore, the production efficiency for how improving motor becomes those skilled in the art's technical problem urgently to be resolved.

Utility model content

In view of this, technical problem to be solved in the utility model is how to improve the production efficiency of motor, for this purpose, originally Utility model provides a kind of stator module and motor in axial magnetic field.

To achieve the above object, the utility model provides the following technical solutions:

A kind of stator module, including stator case, stator core, coil, pole shoe and stator cover board, wherein described fixed Sub- iron core, the coil and the pole shoe are arranged in the space that the stator case and the stator cover board are surrounded；It is described Coil is arranged in the open slot of the stator core, which is characterized in that the pole shoe is fixed on the stator cover board, works as institute When stating stator cover board and docking with the stator case, the pole shoe can be arranged at the notch of the open slot, the stator Oil inlet and oil outlet are provided on shell；It is cooling empty that the outer toroid of the stator core and the stator case surround first Between, the interior annular of the stator core and the stator case surround the second cooling space；

First cooling space is provided with N number of first spoiler, and multiple first spoilers are by the first cooling space It is separated into N number of outer ring cooled region；Second cooling space is provided with M the second spoilers, multiple second spoilers Second cooling space is separated into M inner ring cooled region, wherein N-M=1, second spoiler and first choked flow Plate interlaced arrangement；The inner ring cooled region is connected to the adjacent two outer ring cooled regions, the M inner ring cooling zones Domain, N number of outer ring cooled region and the corresponding oil guide groove sequentially turn on to form a cooling cycle, are located at the cooling The outer ring cooled region of circulation head end is connected to the oil inlet, outer ring cooled region and institute positioned at the cooling cycle end State oil outlet connection.

In the utility model one embodiment, the stator cover board passes through screw, pressing plate, welding, riveting or dovetail It is fixed on the stator case.

In the utility model one embodiment, the stator cover board is provided with close to the end face of stator core along described fixed The slot muscle radially extended and iron core tooth socket corresponding with the stator core of sub- cover board.

In the utility model one embodiment, the quantity and the quantity phase of the open slot of the stator core of the slot muscle Deng the two sides of each slot muscle are provided with the pole shoe.

In the utility model one embodiment, the pole shoe extends along the length direction of the stator cover board, in institute State stator cover board radially, the length of the pole shoe is identical as the length of the notch of the open slot.

In the utility model one embodiment, the width of the slot muscle and the pole shoe positioned at slot muscle two sides The sum of equivalent width with the notch of the open slot.

In the utility model one embodiment, the pole shoe is process by SMC.

In the utility model one embodiment, the stator cover board by non-magnetic high intensity glass fiber compound material Or highstrenghtpiston is process.

In the utility model one embodiment, the coil is formed coil.

In the utility model one embodiment, a kind of motor in axial magnetic field is also disclosed, including such as any of the above-described institute The stator module stated.

It can be seen from the above technical scheme that there is open slot, thus convenient on stator core in the utility model The installation of coil, meanwhile, pole shoe is fixed on stator cover board, when stator cover board is docked with stator case, pole shoe and open slot The corresponding slot ripples that can reduce motor of notch, the iron loss for reducing motor improves the efficiency of motor, while reducing motor Torque pulsation.Since pole shoe is carried on stator cover board, in assembling, directly after docking stator cover board and stator case, Pole shoe can be matched with open slot, to improve the production efficiency of motor.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of configuration schematic diagram of stator module provided by the utility model embodiment；

Fig. 2 is a kind of schematic perspective view of stator module provided by the utility model embodiment；

Fig. 3 is a kind of stator covering plate structure schematic diagram provided by the utility model embodiment；

Fig. 4 is a kind of schematic perspective view of stator core provided by the utility model embodiment；

Fig. 5 is a kind of cooling cycle structure schematic diagram of stator core provided by the utility model embodiment；

In figure, 100 be stator case, 200 be stator cover board, 300 be stator core, 400 be coil, 500 be pole shoe, 600 be the first cooling space, 700 be the second cooling space, 800 be the first spoiler, 900 be the second spoiler；

101 be oil inlet, 102 be oil outlet, 201 be slot muscle, 202 be iron core tooth socket, 301 be tooth, 302 be open slot, 601 be the first outer ring cooled region, 602 be the second outer ring cooled region, 603 be third outer ring cooled region, 604 be outside the 4th Ring cooled region, 701 be the first inner ring cooled region, 702 be the second inner ring cooled region, 703 be third inner ring cooled region.

Specific embodiment

The core of the utility model is to provide a kind of stator module and motor in axial magnetic field, to improve the production effect of motor Rate.

In addition, embodiments illustrated below does not play any restriction effect to utility model content documented by claim. In addition, the full content of composition represented by following example is not limited to the solution as utility model documented by claim Necessary to scheme.

Please refer to Fig. 1 to Fig. 5, the stator module in the utility model embodiment, comprising:

Stator case 100, stator core 300, coil 400, pole shoe 500 and stator cover board 200, wherein stator core 300, coil 400 and pole shoe 500 are arranged in the space that stator case 100 and stator cover board 200 are surrounded；Coil 400 is arranged In the open slot 302 of stator core 300；Pole shoe 500 is fixed on stator cover board 200, when stator cover board 200 and stator case When 100 docking, pole shoe 500 can be arranged at the notch of open slot 302, and 101 He of oil inlet is provided on stator case 100 Oil outlet 102；The outer toroid of stator core 300 and stator case 100 surround the first cooling space 600, stator core 300 it is interior Annulus and stator case 100 surround the second cooling space 700；

First cooling space 600 is provided with N number of first spoiler 800, and multiple first spoilers 800 are by the first cooling space 600 are separated into N number of outer ring cooled region；Second cooling space 700 is provided with M the second spoilers 900, multiple second spoilers Second cooling space 700 is separated into M inner ring cooled region by 900, wherein N-M=1, the second spoiler 900 and the first choked flow 800 interlaced arrangement of plate；Inner ring cooled region is connected to two adjacent outer ring cooled regions, M inner ring cooled region, N number of outer Ring cooled region and corresponding oil guide groove sequentially turn on to form a cooling cycle, positioned at the outer ring cooling zone of cooling cycle head end Domain is connected to oil inlet 101, and the outer ring cooled region positioned at cooling cycle end is connected to oil outlet 102.

There is open slot 302 on stator core 300 in the utility model, thus facilitate the installation of coil 400, meanwhile, Pole shoe 500 is fixed on stator cover board 200, when stator cover board 200 is docked with stator case 100, pole shoe 500 and open slot The corresponding slot ripples that can reduce motor of 302 notch, the iron loss for reducing motor improves the efficiency of motor, while reducing motor Torque pulsation.Since pole shoe 500 is carried on stator cover board 200, in assembling, directly dock 200 He of stator cover board After stator case 100, pole shoe 500 can be matched with open slot 302, to improve the production efficiency of motor.

Cooling oil enters the outer ring cooled region for being located at cooling cycle head end from oil inlet 101, by oil guide groove by outer ring Cooled region enters corresponding inner ring cooled region, enters corresponding outer ring cooling zone by inner ring cooled region by oil guide groove Domain enters the outer ring cooled region positioned at cooling cycle end eventually by oil guide groove, is flowed out by oil outlet 102.It cools down herein In cyclic process, cooling oil in outer ring cooled region and inner ring cooled region flow process can directly with stator core 200 Direct contact heat transfer extends the service life of motor so as to improve the cooling efficiency of motor.

It should be noted that the stator cover board 200 in the utility model passes through screw, pressing plate, welding, riveting or dovetail It is fixed on stator case 100.The installation for mounting screw is provided on corresponding stator cover board 200 and stator case 100 The station of pressing plate, riveted holes and dovetail configuration is arranged to realize the fixation of stator cover board 200 Yu stator case 100 in hole.

There is open slot 302 and tooth 301, wherein open slot 302 is for installing coil 400, each on stator core 300 There is open slot 302 between tooth, the installation of coil 400 can be facilitated by the way that 302 structure of open slot is arranged, wherein the coil 400 be formed coil, or is successively wrapped on tooth.Wherein formed coil is that flat type copper wire formed coil or circular copper wire are preparatory The formed coil of coiling.

Stator cover board 200 generally by the glass fiber compound material of non-magnetic high intensity or highstrenghtpiston (such as PPS, PEEK etc.) it constitutes.Stator cover board 200 is provided with radially extending along stator cover board 200 close to the end face of stator core 300 Slot muscle 201 and iron core tooth socket 202 corresponding with stator core 300.Pass through setting slot muscle 201 and 202 energy of iron core tooth socket Enough facilitate the contraposition of stator cover board 200 Yu stator case 100.Wherein, the quantity of slot muscle 201 is identical as the quantity of open slot 302, Or it is different, the quantity of slot muscle 201 and the quantity of open slot 302 of stator core 300 are equal, can be more convenient stator cover board 200 and stator case 100 contraposition.The two sides of each slot muscle 201 are provided with a pole shoe 500, and pole shoe 500 is pasted onto slot muscle 201 two sides, remaining 202 part of iron core tooth socket cooperate with the flank of tooth of integrated iron core.The cover sheet thickness of iron core teeth groove part Need it is as thin as possible, to reduce the air gap between rotor.

In the utility model one embodiment, pole shoe 500 extends along the length direction of stator cover board 200, in stator Radially, the length of pole shoe 500 is identical as the length of the notch of open slot 302 for cover board 200.

In the utility model one embodiment, slot muscle 201 and positioned at 201 two sides of slot muscle pole shoe 500 width it With the equivalent width of the notch with open slot 302.

Pole shoe 500 is that SMC ferromagnetic powder or other magnetic conduction powder (such as ferrite powder) are molded, shape wheel Exterior feature is rectangle.

In the utility model embodiment by setting the first spoiler 800 and the second spoiler 900 make cooling oil along Specific track flowing to extend the time of contact of cooling oil Yu stator core 200, while enabling cooling oil and major part Stator core 200 contacts, so that the temperature on stator core 200 is more uniform.

Such as: shown in referring to figure 3., four the first spoilers 800 are by the first cooling space in the utility model embodiment 600 are divided into four outer ring cooled regions, respectively the first outer ring cooled region 601, the second outer ring cooled region 602, third Outer ring cooled region 603 and the 4th outer ring cooled region 604, four outer ring cooled regions are circumferentially sequentially arranged, wherein first Outer ring cooled region 601 is located at the head end of cooling cycle, and the 4th outer ring cooled region 604 is located at the end of cooling cycle, and first Outer ring cooled region 601 is connected to oil inlet 101, and the 4th outer ring cooled region 604 is connected to oil outlet 102.

It is cold to be divided into three inner ring by three the second spoilers 900 for the second cooling space 700 in the utility model embodiment But region, respectively the first inner ring cooled region 701, the second inner ring cooled region 702 and third inner ring cooled region 703.

Wherein, cooling oil enters the first outer ring cooled region 601 by oil inlet 101, then from the first outer ring cooled region 601 enter the first inner ring cooled region 701, then enter the second outer ring cooled region 602 by the first inner ring cooled region 701, then Second inner ring cooled region 702 is entered by the second outer ring cooled region 602, then third is entered by the second inner ring cooled region 702 Outer ring cooled region 603, then third inner ring cooled region 703 is entered by third outer ring cooled region 603, then by third inner ring Cooled region 703 enters the 4th outer ring cooled region 604, is finally flowed out by oil outlet 102, completes a cooling cycle.

Above only with N=4, be specifically introduced for M=3, the utility model embodiment be not limited only to Upper form, as long as enabling to the utility model embodiment to constitute one carries out hydronic first choked flow according to particular track The setting form of plate 800 and the second spoiler 900 is within the protection scope of the present utility model.

Stator module is including a stator case or including multiple stator cases 100, when including multiple stator cases 100 When, each correspondence of stator case 100 is equipped with a stator core 200.All multiple stator cases 100 can be two stators Shell 100, three stator cases, 100, four stator cases 100 etc..Multiple stator cases 100 are coaxially arranged, it may be assumed that adjacent 100 end face of stator case fits with end face.100 determination of amount of stator case can carry out true according to the size of output power It is fixed.In two adjacent stator cases, the oil outlet of previous stator case is connected to the oil inlet of latter stator case.

In two adjacent stator cases 100, the oil outlet 102 of a stator case 100 and another stator case 100 Oil inlet 101 be connected to.It can be attached by peripheral hardware pipeline, alternatively, the oil inlet 101 of a stator case 100 and another The oil outlet 102 of an outer stator case 100 is coaxially arranged.That is, oil outlet 102 and oil inlet 101 are arranged at end face, two When stator case 100 docks, oil outlet 102 and oil inlet 101 are voluntarily connected.

By taking two stator cases 100 as an example, the oil outlet 102 of one of stator case 100 is arranged on end face, in addition The oil inlet 101 of one stator case 100 is arranged on end face, when two stator cases 100 dock, previous stator case 100 oil outlet 102 is conducted with the oil inlet 101 of the latter stator case 100.

In multiple stator cases 100, the oil inlet 101 of stator case 100 positioned at one end and determining positioned at the other end The oil outlet 102 of sub- shell 100 can be located on the end face of corresponding stator case 100, can also be located at corresponding stator case 100 On circumferential surface.Preferably, the installation of subsequent components for convenience, in the utility model embodiment, the stator case positioned at one end The oil outlet 102 of 100 oil inlet 101 and the stator case 100 positioned at the other end is arranged at the circumferential surface of stator case 100 On, further, the oil outlet of the oil inlet 101 positioned at the stator case 100 of one end and the stator case 100 positioned at the other end 102 ipsilateral settings.

The invention also discloses a kind of motor in axial magnetic field, the stator module including such as any of the above-described.Due to upper Stator module is stated with the above beneficial effect, the motor in axial magnetic field including said stator component also has corresponding effect, this Place repeats no more.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of stator module, including stator case, stator core, coil, pole shoe and stator cover board, wherein the stator Iron core, the coil and the pole shoe are arranged in the space that the stator case and the stator cover board are surrounded；The line Circle is arranged in the open slot of the stator core, which is characterized in that the pole shoe is fixed on the stator cover board, when described When stator cover board is docked with the stator case, the pole shoe can be arranged at the notch of the open slot, the stator case Oil inlet and oil outlet are provided on body；The outer toroid of the stator core and the stator case surround the first cooling space, The interior annular of the stator core and the stator case surround the second cooling space；

First cooling space is provided with N number of first spoiler, and multiple first spoilers separate the first cooling space At N number of outer ring cooled region；Second cooling space is provided with M the second spoilers, and multiple second spoilers are by the Two cooling spaces are separated into M inner ring cooled region, wherein N-M=1, second spoiler and first spoiler are handed over Mistake arrangement；The inner ring cooled region is connected to the adjacent two outer ring cooled regions, M the inner ring cooled regions, N A outer ring cooled region and corresponding oil guide groove sequentially turn on to form a cooling cycle, are located at the cooling cycle head end Outer ring cooled region be connected to the oil inlet, positioned at the cooling cycle end outer ring cooled region and the oil outlet Connection.

2. stator module as described in claim 1, which is characterized in that the stator cover board passes through screw, pressing plate, welding, riveting It connects or dovetail is fixed on the stator case.

3. stator module as claimed in claim 2, which is characterized in that the stator cover board is arranged close to the end face of stator core There are the slot muscle radially extended and iron core tooth socket corresponding with the stator core along the stator cover board.

4. stator module as claimed in claim 3, which is characterized in that the quantity of the slot muscle and the opening of the stator core The quantity of slot is equal, and the two sides of each slot muscle are provided with the pole shoe.

5. stator module as claimed in claim 3, which is characterized in that the pole shoe along the stator cover board length direction Extend, the stator cover board radially, the length of the pole shoe is identical as the length of the notch of the open slot.

6. stator module as claimed in claim 3, which is characterized in that the slot muscle and positioned at described in slot muscle two sides The equivalent width of the sum of width of pole shoe and the notch of the open slot.

7. stator module as claimed in claim 6, which is characterized in that the pole shoe is process by SMC.

8. stator module as described in claim 1, which is characterized in that the stator cover board by non-magnetic high intensity glass fibers Dimension composite material or highstrenghtpiston are process.

9. stator module as described in claim 1, which is characterized in that the coil is formed coil.

10. a kind of motor in axial magnetic field, which is characterized in that including stator module as claimed in any one of claims 1-9 wherein.