CN209358332U

CN209358332U - Integrated electric motor

Info

Publication number: CN209358332U
Application number: CN201920128076.0U
Authority: CN
Inventors: 杨文雄; 张广权
Original assignee: Shanghai Panhu Power Technology Co Ltd
Current assignee: Shanghai Panhu Power Technology Co Ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2019-09-06
Anticipated expiration: 2029-01-24

Abstract

The utility model provides a kind of integrated electric motor, is related to the technical field of motor in axial magnetic field.A kind of integrated electric motor includes shell, stator module, rotor assembly, driving plate and support ring；Shell includes procapsid and back casing, and a cavity is formed between front housing and the rear housing；Stator module is connected on procapsid, and rotor assembly is oppositely arranged with stator module, and the both ends of the shaft of rotor assembly are rotatablely connected with procapsid and back casing respectively, and the axial magnetic field between stator module and rotor assembly is for driving rotor assembly to rotate；Support ring is set between front housing and the rear housing, and driving plate is set between support ring and back casing, and shaft can pass through driving plate；Notch arrangement is offered in support ring.Integrated electric motor overall dimensions and weight are reduced, installation procedure is simplified, ensure that integrated electric motor operates normally.

Description

Integrated electric motor

Technical field

The utility model relates to the technical fields of motor in axial magnetic field, more particularly, to a kind of integrated electric motor.

Background technique

Under the requirement of lightweight and miniaturization, the integrated design of motor and drive control device becomes the trend of development. Currently, integrated electric motor generallys use conventional radial magnetic field electric motor design scheme.The axial dimension of radial magnetic field motor is big, one Motor volume, the weight for changing design are larger.Integrated radial magnetic field motor uses internal rotor outer stator structure, stator and shell it Between be generally interference fitted, usually require to heat shell in assembling process or cooling stator, increase assembly technology Complexity；Meanwhile traditional small-power radial magnetic field motor efficiency is lower.Existing integration motor in axial magnetic field integrated level is lower, Motor and controller are relatively independent, and overall volume and weight is still larger.

In addition to this, integrated electric motor in the prior art is laid out unreasonable and causes to be rotated there is also stator lead-out wire Rotor scrape the problem of.

The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form Technology.

Utility model content

The purpose of this utility model is to provide a kind of integrated electric motor, with solve the problems, such as it is above-mentioned at least one.

In order to solve the above-mentioned technical problem, the technological means that the utility model is taken are as follows:

A kind of integrated electric motor provided by the utility model, including shell, stator module, rotor assembly and driving plate, also Including support ring；

The shell includes procapsid and back casing, and one is formed between the procapsid and the back casing for accommodating institute State the cavity of stator module, the rotor assembly and the driving plate；

The stator module is connected on the procapsid, and the rotor assembly is oppositely arranged with the stator module, and The both ends of the shaft of the rotor assembly are rotatablely connected with the procapsid and the back casing respectively, the stator module and institute The magnetic field along the shaft axial direction between rotor assembly is stated for driving the rotor assembly to rotate；

The support ring is set between the procapsid and the back casing, and the driving plate is set to the support ring Between the back casing, and the shaft can pass through the driving plate；

The notch arrangement for cabling is offered in the support ring, the lead-out wire of the stator module can be from the slot Mouth structure is drawn and is connect with the driving plate.

As a kind of further technical solution, the deep groove structure that the side of the support ring has with the procapsid is matched Installation is closed, the driving plate is embedded at the other side of the support ring.

As a kind of further technical solution, the notch arrangement is opened on the side wall of the support ring, so that institute The lead-out wire for stating stator module can pass through the notch arrangement, and connect with the driving plate.

As a kind of further technical solution, which includes rubber ring, and the rubber ring is set to described Between support ring and the procapsid.

As a kind of further technical solution, it is coated on the electronic component in the driving plate for radiating, insulating Thermal conductive insulation glue.

As a kind of further technical solution, multi-disc is provided on the lateral surface of the back casing and the procapsid Radiate stiffener plate.

As a kind of further technical solution, it is provided on the inside of the procapsid and the back casing for installing The accommodating groove body of fore bearing and rear bearing in the shaft.

As a kind of further technical solution, branch mouth structure is provided on the medial surface of the back casing；

The branch mouth structure is matched for pushing against the support ring with the opening of the back casing.

As a kind of further technical solution, the procapsid and the back casing are all made of aluminum alloy material.

As a kind of further technical solution, the support ring uses plastic material.

Compared with prior art, technical advantage possessed by integrated electric motor provided by the utility model are as follows:

A kind of integrated electric motor provided by the utility model, including shell, stator module, rotor assembly, driving plate and Support ring, wherein shell includes procapsid and back casing, and one is formed between front housing and the rear housing for accommodating stator pack The cavity of part, rotor assembly and driving plate, stator module are mounted on procapsid, and rotor assembly is oppositely arranged with stator module, And the both ends of the shaft of rotor assembly is rotatablely connected with procapsid and back casing respectively, as a result, between stator module and rotor assembly The magnetic field along shaft axial direction rotor assembly can be driven to rotate；Further, support ring setting front housing and the rear housing it Between, driving plate is arranged between support ring and back casing, and shaft can pass through driving plate；It offers in support ring for cabling Notch arrangement, enable the lead-out wire of stator module from the notch arrangement draw and connect with driving plate.

Integrated electric motor provided by the utility model can be driven by the axial magnetic field between stator module and rotor assembly The rotation of turn sub-component, and be stator assembly and rotor assembly respectively positioned between procapsid and back casing, entire motor is at disk as a result, Formula structure, thus, compared with the prior art in internal rotor external stator and be radial magnetic field motor, it is provided by the utility model The integrated electric motor being oppositely arranged using axial magnetic field, rotor assembly and stator module is relatively small along axial size, and body Product, quality are smaller；Also, it is oppositely arranged by rotor assembly and stator module, instead of traditional internal rotor external stator side Formula, thus, it no longer needs to stator module and shell in turn, greatly reduce integrated electric motor installation using interference fit installation The complexity of process improves the integrated level of motor；Meanwhile compared to traditional radial magnetic field motor, the utility model is provided Axial magnetic field integrated electric motor it is more efficient.

In addition to this, by the way that support ring is arranged, enable the lead-out wire of stator module from the notch arrangement in support ring It draws, thus, it is possible to guarantee that the rotor assembly that the lead-out wire of stator module will not be rotated scrapes, and then can guarantee integration The normal operation of motor.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic diagram of integrated electric motor provided by the embodiment of the utility model.

Icon:

10- procapsid；11- heat dissipation stiffener plate；12- accommodates groove body；The trapezoidal lug of 13-；14- boss structure； 20- back casing；21- branch mouth structure；22- arc lug；23- harness hole；30- driving plate；31- wiring hole；32- is logical Hole；33- filter capacitor；34-MOSFET；40- support ring；41- notch arrangement；50- stator module；51- stator core； 52- stator winding；60- rotor assembly；61- shaft；70- rubber ring；80- rear bearing.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

Specific structure is as shown in Figure 1.

A kind of integrated electric motor provided in this embodiment, including shell, stator module 50, rotor assembly 60 and driving plate 30, it further include support ring 40；Shell includes procapsid 10 and back casing 20, forms one between procapsid 10 and back casing 20 and is used for Accommodate the cavity of stator module 50, rotor assembly 60 and driving plate 30；Stator module 50 is connected on procapsid 10, rotor assembly 60 are oppositely arranged with stator module 50, and the both ends of the shaft 61 of rotor assembly 60 are rotated with procapsid 10 and back casing 20 respectively Connection, the magnetic field axial along shaft 61 between stator module 50 and rotor assembly 60 is for driving rotor assembly 60 to rotate；Branch Pushing out ring 40 is set between procapsid 10 and back casing 20, and driving plate 30 is set between support ring 40 and back casing 20, and is turned Axis 61 can pass through driving plate 30 (offering through-hole 32 in driving plate 30)；The notch knot for cabling is offered in support ring 40 The lead-out wire of structure 41, stator module 50 can draw from notch arrangement 41 and connect with driving plate 30.

Preferably, integrated electric motor provided in this embodiment is using single stator single-turn minor structure.Stator winding 52 is according to setting Fixed winding mode is wound on stator core 51, and stator core 51 is opening slot structure, and end face design has threaded hole, is used for Stator module 50 is fixedly mounted on 10 inside of procapsid, stator winding 52 and stator core 51 form the stator of integrated electric motor Component 50.Rotor assembly 60 includes permanent magnet, rotor back iron and shaft 61, and rotor back iron is mounted on shaft 61 by interference fit On, permanent magnet is fixed in rotor back iron.

Preferably, design has multiple trapezoidal lugs 13 on procapsid 10, threaded hole is arranged on trapezoidal lug 13, accordingly , multiple arcs lug 22 is designed on back casing 20, hole location is set on arc lug 22, thus, by bolt can will before Shell 10 and back casing 20 are fixed together, and realize the installation of integrated electric motor shell.

Integrated electric motor provided in this embodiment, can by the axial magnetic field between stator module 50 and rotor assembly 60 Rotor assembly 60 is driven to rotate, and stator module 50 and rotor assembly 60 are respectively positioned between procapsid 10 and back casing 20, as a result, Entire motor at tray type structure, thus, compared with the prior art in internal rotor external stator and be radial magnetic field motor, this reality The integrated electric motor of example offer being oppositely arranged using axial magnetic field, rotor assembly 60 and stator module 50 is applied along axial size It is relatively small, and volume, quality are smaller.

Also, it is oppositely arranged with stator module 50 by rotor assembly 60, instead of traditional internal rotor external stator mode, To no longer need to that stator module 50 and shell in turn, are greatly reduced integrated electric motor and installed using interference fit installation The complexity of journey improves the integrated level of motor.

Meanwhile compared to traditional radial magnetic field motor, axial magnetic field integrated electric motor provided by the utility model simplifies Connection wiring harness, reduces costs, while making full use of the advantage that disc type electric machine is high-efficient, axial dimension is small, with conventional radial Magnetic field electric motor is compared, and installation space is saved, and improves the economy of integrated electric motor.

In addition, entire shell is divided into two parts and keeps the assembly technology of integrated electric motor simpler, without heating shell or cold But stator module 50 can be completed assembly under room temperature, simplify process flow；Also, entire shell is divided into two parts, needs close The position of envelope is less, so that motor has been reached higher degree of protection by waterproofing design.

In addition to this, by the way that support ring 40 is arranged, enable the lead-out wire of stator module 50 from the slot in support ring 40 Mouth structure 41 is drawn, thus, it is possible to the rotor assembly 60 for guaranteeing that the lead-out wire of stator module 50 will not be rotated scrapes, Jin Erneng Enough guarantee the normal operation of integrated electric motor.

In the optional technical solution of the present embodiment, the deep groove structure cooperation that side and the procapsid 10 of support ring 40 have is pacified Dress, driving plate 30 are embedded at the other side of support ring 40.

In the optional technical solution of the present embodiment, which includes rubber ring 70, and rubber ring 70 is set to support Between ring 40 and procapsid 10.

Specifically, the opening in procapsid 10 is provided with deep groove structure, and boss is formed in the opening of procapsid 10 Structure 14, when support ring 40 is assembled on procapsid 10 as a result, support ring 40 (front side) can be embedded into deep groove structure, and Support by boss structure 14；And driving plate 30 is then embedded in the other side (rear side) of support ring 40, and after support ring 40 Side is also abutted against with back casing 20, as a result, when back casing 20 and procapsid 10 are assembled together, back casing 20 and procapsid 10 Support ring 40 can be extruded in centre, and driving plate 30 can be installed by support ring 40, to realize integrated electric motor Shell and driving plate 30 installation.

Further, it is provided with rubber ring 70 between 40 front side of support ring and the deep groove structure of procapsid 10, to play Buffering and sealing function, thus, make integrated electric motor waterproof and dustproof grade with higher.Preferably, rubber ring 70 uses square Shape cross section, to adapt to deep groove structure.When installing rubber ring 70, makes rubber ring 70 that there is certain decrement, can both mend Axial size is repaid, and there can be cushioning effect, mitigates influence of the shock loading to driving plate 30.

In the optional technical solution of the present embodiment, notch arrangement 41 is opened on the side wall of support ring 40, so that stator pack The lead-out wire of part 50 can pass through notch arrangement 41, and connect with driving plate 30.

The lead-out wire of stator module 50 can be exported by the notch arrangement 41, and make end and the driving plate of lead-out wire 30 connections, to realize being electrically connected for stator module 50 and driving plate 30；41 one side of notch arrangement can provide for lead-out wire Derived space, on the other hand, additionally it is possible to limit lead-out wire, to prevent lead-out wire play, in turn, effectively prevent stator module 50 3 Phase lead-out wire ensure that the rotor set that 50 3 line lead-out wire of stator module will not be rotated to the outlet problem between driving plate 30 Part 60 scrapes, and further ensures the normal work of integrated electric motor.

Further, the lead-out wire derived from the notch arrangement 41 is connected to the wiring hole 31 in driving plate 30, and back casing Wired beam hole 23 is designed on 20, is used to accessing external power cord into corresponding interface in driving plate 30, and be used for driving plate 30 On revolving speed, positive and negative rotation control signal be drawn out to outside motor.

In the optional technical solution of the present embodiment, it is coated on the electronic component in driving plate 30 for radiating, insulating Thermal conductive insulation glue.

Specifically, the rear side of driving plate 30 is provided with the electronic components such as filter capacitor 33, MOSFET34, in order to realize peace Dress, is arranged corresponding groove, on the inside of back casing 20 also in order to accommodate above-mentioned electronic component；Also, on these electronic components Coated with thermal conductive insulation glue, the heat that these great-power electronic elements generate can be led by back casing 20 by thermal conductive insulation glue On, it is then distributed by back casing 20, further functions as heat spreading function, meanwhile, thermal conductive insulation glue is also used to great-power electronic The insulation of element.

In the optional technical solution of the present embodiment, multi-disc heat dissipation is provided on the lateral surface of back casing 20 and procapsid 10 Stiffener plate 11.

Specifically, the heat dissipation tool of stiffener plate 11 is there are two effect, one is the intensity for increasing back casing 20 and procapsid 10, To prevent back casing 20 and procapsid 10 from deforming, second, back casing 20 and front housing can also will be transmitted to inside integrated electric motor Heat on body 10 is distributed by the stiffener plate 11 that radiates, and further enhances heat dissipation effect.Specifically, the big function in driving plate 30 Rate electronic component is transmitted on back casing 20 by thermal conductive insulation glue, is dissipated outward via the heat dissipation stiffener plate 11 on back casing 20 Hair, to ensure that the reasonable temperature rise of electronic component；The heat that stator winding 52 issues is transmitted to front housing by stator core 51 On body 10, then distributed outward via the heat dissipation stiffener plate 11 on 10 end face of the surface of procapsid 10 and procapsid；Pass through The setting for the stiffener plate 11 that radiates, increases heat dissipation cotton knot, and then improve heat-sinking capability.In addition, due to the stiffener plate that radiates The relatively thinner of the thickness design of procapsid 10 and back casing 20 in the present embodiment, can also be reduced one by 11 presence The weight of body motor totality.

In the optional technical solution of the present embodiment, the inside of procapsid 10 and back casing 20 is provided with for installing shaft The accommodating groove body 12 of fore bearing and rear bearing 80 on 61.

Specifically, passing through fore bearing and rear axle between the shaft 61 and procapsid 10 and back casing 20 of rotor assembly 60 respectively Hold 80 connections, as a result, the inside of procapsid 10 and back casing 20 be provided with accommodating groove body 12, in order to install fore bearing and Rear bearing 80；And fore bearing and rear bearing 80 are mounted in shaft 61 by interference fit, and are located at the two sides of rotor back iron.

Preferably, fore bearing uses four spot contact bearings or angular contact bearing with contact sealing ring, can bear axis To the axial load and radial load to interact between magnetic field electric motor stator module 50 and rotor assembly 60；Rear bearing 80 uses Common deep groove ball bearing.

In the optional technical solution of the present embodiment, branch mouth structure 21 is provided on the medial surface of back casing 20；Branch mouth structure 21 for pushing against support ring 40, and matches with the opening of back casing 20.

To guarantee the close fit between back casing 20, support ring 40 and procapsid 10, in back casing 20 in the present embodiment Medial surface edge be provided with branch mouth structure 21, the front end face of the branch mouth structure 21 can abut support ring 40, to prevent from supporting Ring 40 relatively moves；In addition, the branch mouth structure 21 can be embedded in the deep groove structure of back casing 20, to realize back casing 20 Fastening installation between procapsid 10.

In the optional technical solution of the present embodiment, procapsid 10 and back casing 20 are all made of aluminum alloy material.

In the optional technical solution of the present embodiment, support ring 40 uses plastic material.

In the present embodiment, the shell of procapsid 10 and the composition disk integral motor of back casing 20, and procapsid 10 is with after Shell 20 is all made of aluminum alloy material, with proof strength and less quality；Support ring 40 uses plastic material, both guarantees have enough Rigidity support driving plate 30, and the weight of integrated electric motor totality can be mitigated.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims

1. a kind of integrated electric motor, including shell, stator module, rotor assembly and driving plate, which is characterized in that further include support Ring；

The shell includes procapsid and back casing, and it is described fixed for accommodating that one is formed between the procapsid and the back casing The cavity of sub-component, the rotor assembly and the driving plate；

The stator module is connected on the procapsid, and the rotor assembly is oppositely arranged with the stator module, and described The both ends of the shaft of rotor assembly are rotatablely connected with the procapsid and the back casing respectively, the stator module with described turn The magnetic field along the shaft axial direction between sub-component is for driving the rotor assembly to rotate；

The support ring is set between the procapsid and the back casing, and the driving plate is set to the support ring and institute It states between back casing, and the shaft can pass through the driving plate；

The notch arrangement for cabling is offered in the support ring, the lead-out wire of the stator module can be from the notch knot Structure is drawn and is connect with the driving plate.

2. integrated electric motor according to claim 1, which is characterized in that the side of the support ring and the procapsid have Some deep groove structures are coupled, and the driving plate is embedded at the other side of the support ring.

3. integrated electric motor according to claim 2, which is characterized in that the notch arrangement is opened in the support ring On side wall, the lead-out wire of the stator module is enabled to pass through the notch arrangement, and connect with the driving plate.

4. integrated electric motor according to claim 2, which is characterized in that including rubber ring, the rubber ring is set to institute It states between support ring and the procapsid.

5. integrated electric motor according to claim 1, which is characterized in that be coated on the electronic component in the driving plate Thermal conductive insulation glue for radiating, insulating.

6. integrated electric motor according to claim 1 or 5, which is characterized in that the back casing and the procapsid it is outer Multi-disc heat dissipation stiffener plate is provided on side.

7. integrated electric motor according to claim 1, which is characterized in that the inside of the procapsid and the back casing is equal It is provided with the accommodating groove body for installing the fore bearing in the shaft and rear bearing.

8. integrated electric motor according to claim 1, which is characterized in that be provided with branch mouth on the medial surface of the back casing Structure；

9. according to claim 1, integrated electric motor described in 4,7 or 8, which is characterized in that the procapsid and the back casing It is all made of aluminum alloy material.

10. integrated electric motor according to claim 1-3, which is characterized in that the support ring uses plastics material Matter.