CN208424044U - A kind of pure electric automobile asynchronous machine - Google Patents
A kind of pure electric automobile asynchronous machine Download PDFInfo
- Publication number
- CN208424044U CN208424044U CN201821393630.XU CN201821393630U CN208424044U CN 208424044 U CN208424044 U CN 208424044U CN 201821393630 U CN201821393630 U CN 201821393630U CN 208424044 U CN208424044 U CN 208424044U
- Authority
- CN
- China
- Prior art keywords
- motor housing
- bearing
- conduit
- quick coupling
- bearing block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a kind of pure electric automobile asynchronous machines, including external cooling conduit, motor housing, radiating fin, through-hole, rear cover, internal heat dissipating conduit, flabellum, machine shaft, bearing, rear bearing block, quick coupling, stator, rotor and front-end bearing pedestal, the stator of annular spread is fixedly connected on the inner wall of the motor housing, motor housing is internally provided with rotor, and the machine shaft that rotor center is fixedly connected is covered with after by the front end that bearing is rotatably connected on motor housing；The open rearward end of the motor housing is arranged.It is based on the separate of hyperthermia radiation that this is practical; the heat that bearings at both ends high speed generates is absorbed using the thermally conductive hot body of cooling; and heat is quickly transmitted to the outer surface of motor housing; increasing heat radiation area; to which protection bearing extends the service life of bearing to a certain extent, and then reduce the fault rate of vehicle.
Description
Technical field
The utility model relates to motor, specifically a kind of pure electric automobile asynchronous machine.
Background technique
Asynchronous motor is also known as induction conductivity, is produced by air-gap rotating magnetic field and the interaction of rotor windings induced current
Raw electromagnetic torque, to realize that energy converting between mechanical is a kind of alternating current generator of mechanical energy.
With the development of electric vehicle engineering, asynchronous motor is most important to electric car, is the core of electric car,
Therefore the performance requirement of asynchronous motor is also improved, most important is exactly the stability of asynchronous machine, and asynchronous machine exists
The process of long-time high-speed rotation, the fever of bearings at both ends position is serious, therefore influences the service life of bearing, finally results in axis
Hold lubricity decline, improve power consumption, increase the probability that automobile breaks down, thus how to improve its service life to close weight
It wants.
Utility model content
The purpose of this utility model is to provide a kind of pure electric automobile asynchronous machines, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of pure electric automobile asynchronous machine, including external cooling conduit, motor housing, radiating fin, through-hole, after
Lid, internal heat dissipating conduit, flabellum, machine shaft, bearing, rear bearing block, quick coupling, stator, rotor and front-end bearing pedestal, it is described
The stator of annular spread is fixedly connected on the inner wall of motor housing, motor housing is internally provided with rotor, and rotor center is fixed
The machine shaft of connection is covered with after by the front end that bearing is rotatably connected on motor housing；The open rearward end of the motor housing
Setting, and the front end of motor housing is closed up and is welded with front-end bearing pedestal, wherein the open rearward end of motor housing is connected by screw to
Rear cover, the intermediate openings of rear cover are simultaneously welded with rear bearing block, and the front-end bearing pedestal and rear bearing block are coaxial with motor housing
Setting, and front-end bearing pedestal and rear bearing block are rotatablely connected machine shaft by bearing, the front-end bearing pedestal and rear bearing block are equal
For hollow annular construction, the front-end bearing pedestal, which is located at, is equipped with the quick of multiple connection internal cavities on the face on the outside of motor housing
Connector, rear bearing block are located at the quick coupling that multiple connection internal cavities are equipped on the face on the inside of motor housing；The motor
The outer surface of shell is formed with several radiating fins being distributed axially along, is provided between adjacent two radiating fins outer
The both ends welding of portion's heat radiation conduit, external cooling conduit supplies the plug being plugged into quick coupling, one end of external cooling conduit
The other end of corresponding quick coupling on grafting front-end bearing pedestal, external cooling conduit is passed through from the through-hole that motor housing surface opens up
And the inner wall of motor housing is against, the open rearward end edge of the motor housing welds the outer surface of multiple quick couplings, external
The other end of heat radiation conduit is plugged on one end of the corresponding quick coupling in motor housing rear end；It is bonded on the inner sidewall of the rear cover
It is provided with internal heat dissipating conduit, the both ends welding of internal heat dissipating conduit supplies the plug being plugged into quick coupling, and internal heat dissipating is led
The corresponding quick coupling in one end grafting rear bearing block surface of pipe, the other end grafting motor housing rear end pair of internal heat dissipating conduit
The other end for the quick coupling answered.
As a further solution of the present invention: and front-end bearing pedestal and rear bearing block towards the one side on the inside of motor housing
Opening is offered, opening is fixedly connected with cover board by screw, gasket is arranged between cover board and open edge.
As a further solution of the present invention: one end that the machine shaft is located on the outside of rear cover is fixedly connected with fan
Leaf.
Compared with prior art, the utility model has the beneficial effects that
It is to absorb the heat that bearings at both ends high speed generates using the thermally conductive hot body of cooling based on the separate of hyperthermia radiation that this is practical
It measures, and heat is quickly transmitted to the outer surface of motor housing, increasing heat radiation area, so that protection bearing prolongs to a certain extent
The service life of long bearing facilitates the fault rate for reducing vehicle (within the scope of certain time).
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pure electric automobile asynchronous machine.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of pure electric automobile asynchronous machine, including external cooling are led in the utility model embodiment
Pipe 1, motor housing 2, radiating fin 3, through-hole 4, rear cover 5, internal heat dissipating conduit 6, flabellum 7, machine shaft 8, bearing 9, rear axle
Seat 10, quick coupling 11, stator 12, rotor 13, cover board 14 and front-end bearing pedestal 15 are held, is fixed on the inner wall of the motor housing 2
The stator 12 of annular spread is connected, motor housing 2 is internally provided with rotor 13, the machine shaft that 13 center of rotor is fixedly connected
8 are rotatably connected on the front end and rear cover 5 of motor housing 2 by bearing；The open rearward end of the motor housing 2 is arranged, and electric
The front end of machine shell 2 closes up and is welded with front-end bearing pedestal 15, and wherein the open rearward end of motor housing 2 is connected by screw to rear cover 5,
The intermediate openings of rear cover 5 are simultaneously welded with rear bearing block 10, and the front-end bearing pedestal 15 and rear bearing block 10 are same with motor housing 2
Axis setting, and front-end bearing pedestal 15 and rear bearing block 10 are rotatablely connected machine shaft 8 by bearing 9, so that rotor can be with
It is freely rotated.
The front-end bearing pedestal 15 and rear bearing block 10 are hollow annular construction, and 10 court of front-end bearing pedestal 15 and rear bearing block
Opening is offered on one side to 2 inside of motor housing, and opening is fixedly connected with cover board 14, cover board 14 and opening edge by screw
Gasket is set between edge, to guarantee leakproofness.
The front-end bearing pedestal 15 is located at the quick coupling that multiple connection internal cavities are equipped on the face in 2 outside of motor housing
11, rear bearing block 10 is located at the quick couplings 11 that multiple connection internal cavities are equipped on the face of the inside of motor housing 2, by
Injection transformer oil etc. can accelerate cooling velocity for cooling dielectric, cooperation air-cooled structure in cavity.
The outer surface of the motor housing 2 is formed with several radiating fins 3 being distributed axially along, and adjacent two dissipate
External cooling conduit 1 is provided between hot fin 3, the both ends welding of external cooling conduit 1 is for being plugged into inserting in quick coupling
Head, corresponding quick coupling 11 on one end grafting front-end bearing pedestal 15 of external cooling conduit 1, the other end of external cooling conduit 1
The through-hole opened up from 2 surface of motor housing passes through and againsts the inner wall of motor housing 2, the open rearward end side of the motor housing 2
Edge welds the outer surface of multiple quick couplings 11, and it is corresponding fast that the other end of external cooling conduit 1 is plugged on 2 rear end of motor housing
One end of quick coupling 11；
Fitting is provided with internal heat dissipating conduit 6 on the inner sidewall of the rear cover 5, and the both ends of internal heat dissipating conduit 6, which are welded, to be supplied
The plug being plugged into quick coupling, the corresponding quick coupling 11 in 10 surface of one end grafting rear bearing block of internal heat dissipating conduit 6,
The other end of the corresponding quick coupling 11 in 2 rear end of other end grafting motor housing of internal heat dissipating conduit 6, to realize in motor
The circulation of the cooling liquid in portion, it is that it is high to absorb bearings at both ends using the thermally conductive hot body of cooling based on the separate of hyperthermia radiation that this is practical
The heat that speed generates, and heat is quickly transmitted to the outer surface of motor housing 2, increasing heat radiation area, thus to a certain degree
Upper protection bearing extends the service life of bearing, and then reduces the fault rate of vehicle.
One end that the machine shaft 8 is located at 5 outside of rear cover is fixedly connected with flabellum 7, and the air-flow for increasing surface flows,
Improve heat dissipation effect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of pure electric automobile asynchronous machine, including it is external cooling conduit (1), motor housing (2), radiating fin (3), logical
Hole (4), rear cover (5), internal heat dissipating conduit (6), flabellum (7), machine shaft (8), bearing (9), rear bearing block (10), fast quick access
Head (11), stator (12), rotor (13) and front-end bearing pedestal (15) are fixedly connected with annular on the inner wall of the motor housing (2) and divide
The stator (12) of cloth, motor housing (2) are internally provided with rotor (13), the machine shaft that rotor (13) center is fixedly connected
(8) it is rotatably connected on the front end and rear cover (5) of motor housing (2) by bearing, which is characterized in that the motor housing (2)
Open rearward end setting, and the front end of motor housing (2) is closed up and is welded with front-end bearing pedestal (15), wherein motor housing (2)
Open rearward end is connected by screw to rear cover (5), and the intermediate openings of rear cover (5) are simultaneously welded with rear bearing block (10), the fore bearing
Seat (15) and rear bearing block (10) are to be coaxially disposed with motor housing (2), and front-end bearing pedestal (15) and rear bearing block (10) are equal
Machine shaft (8) are rotatablely connected by bearing (9), the front-end bearing pedestal (15) and rear bearing block (10) are hollow annular knot
Structure, the front-end bearing pedestal (15) are located at the quick coupling that multiple connection internal cavities are equipped on the face on the outside of motor housing (2)
(11), rear bearing block (10) is located at the quick coupling that multiple connection internal cavities are equipped on the face on the inside of motor housing (2)
(11)；The outer surface of the motor housing (2) is formed with several radiating fins (3) being distributed axially along, and adjacent two
It is provided between radiating fin (3) external cooling conduit (1), the both ends welding of external cooling conduit (1) is for being plugged into fast quick access
Plug in head, corresponding quick coupling (11) on one end grafting front-end bearing pedestal (15) of external cooling conduit (1), external cooling
The other end of conduit (1) passes through and againsts the inner wall of motor housing (2), the electricity from the through-hole that motor housing (2) surface opens up
The open rearward end edge of machine shell (2) welds the outer surface of multiple quick couplings (11), and the other end of external cooling conduit (1) is inserted
It connects in one end of the corresponding quick coupling (11) in motor housing (2) rear end；In fitting is provided on the inner sidewall of the rear cover (5)
The both ends welding of portion's heat radiation conduit (6), internal heat dissipating conduit (6) supplies the plug being plugged into quick coupling, internal heat dissipating conduit
(6) the corresponding quick coupling (11) in one end grafting rear bearing block (10) surface, the other end grafting electricity of internal heat dissipating conduit (6)
The other end of the corresponding quick coupling (11) in machine shell (2) rear end.
2. pure electric automobile asynchronous machine according to claim 1, which is characterized in that the front-end bearing pedestal (15) and after
Bearing block (10) offers opening towards on the inside of motor housing (2) on one side, and opening is fixedly connected with cover board by screw
(14), gasket is set between cover board (14) and open edge.
3. pure electric automobile asynchronous machine according to claim 1, which is characterized in that the machine shaft (8) is located at
One end on the outside of rear cover (5) is fixedly connected with flabellum (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393630.XU CN208424044U (en) | 2018-08-28 | 2018-08-28 | A kind of pure electric automobile asynchronous machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393630.XU CN208424044U (en) | 2018-08-28 | 2018-08-28 | A kind of pure electric automobile asynchronous machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424044U true CN208424044U (en) | 2019-01-22 |
Family
ID=65122230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821393630.XU Expired - Fee Related CN208424044U (en) | 2018-08-28 | 2018-08-28 | A kind of pure electric automobile asynchronous machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208424044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756165A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Heat dissipation assembly for high-power motor in high-load state |
| CN113794311A (en) * | 2021-09-07 | 2021-12-14 | 中国南方电网有限责任公司超高压输电公司昆明局 | Heat dissipation end cover and motor |
-
2018
- 2018-08-28 CN CN201821393630.XU patent/CN208424044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756165A (en) * | 2020-07-31 | 2020-10-09 | 诸暨亚目发动机有限公司 | Heat dissipation assembly for high-power motor in high-load state |
| CN113794311A (en) * | 2021-09-07 | 2021-12-14 | 中国南方电网有限责任公司超高压输电公司昆明局 | Heat dissipation end cover and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20200828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |