CN206060379U - A kind of stator liquid cooling structure of built-in disc type electric machine - Google Patents
A kind of stator liquid cooling structure of built-in disc type electric machine Download PDFInfo
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- CN206060379U CN206060379U CN201620326689.1U CN201620326689U CN206060379U CN 206060379 U CN206060379 U CN 206060379U CN 201620326689 U CN201620326689 U CN 201620326689U CN 206060379 U CN206060379 U CN 206060379U
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- stator
- electric machine
- type electric
- disc type
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Abstract
The utility model discloses a kind of stator liquid cooling structure of built-in disc type electric machine, including stator module, stator core, drive end axle bearing, non-driven-end bearing seat, support frame；Stator core is formed by stalloy is radially superposed, is designed using stator with no yoke portion；The outside wall surface of stator core is cased with stator winding and stator winding plastic packaging epoxy resin；Serpentiss type cooling water channel is provided between support frame and non-driven-end bearing seat, and is disposed with coolant inlet, cooling liquid outlet.The stator winding of stator module is used epoxy resin plastic packaging by this utility model, is improved heat conductivity, and is taken away heat using the logical coolants of Serpentiss type cooling water channel st115.Higher heatproof is provided with using the disc type electric machine of this stator to upgrade, bigger overload can be born, structure is compacter.
Description
Technical field
This utility model is related to a kind of motor of pure electronic, field of hybrid electric vehicles, and in particular to a kind of built-in
The stator liquid cooling structure of disc-type electric motor.
Background technology
Pure electronic, field of hybrid electric vehicles application motor mostly be radial flux AC permanent magnet synchronous motor,
Direct current generator or AC asynchronous motor, as conventional radial motor axial direction installation dimension is larger, power density and efficiency are all
It is low, it is unfavorable for electric automobile domain level constraints requirement is strict, the applications that efficiency requirements are high.
The single methods for cooling such as conventional water-cooled machine, the general end cap water-cooled for adopting support water-cooled or minority, and it is pure
Electronic, mixed power electric motor of automobile degree of protection has high demands, and chassis installing space is narrow and small, and motor is accelerating overtake other vehicles, climb
Operating mode, produces substantial amounts of heat, it is contemplated that the capacity of heat transmission of air is poor in support, only leans on sometimes support water-cooled or end
Lid water-cooled tends not to shed to exchange heat in time, brings great challenge to motor temperature rise.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of built-in disc type electric machine
Cooling structure of stator.
In order to achieve the above object, technical solution adopted in the utility model is：
A kind of stator liquid cooling structure of the built-in disc-type electric motor of rotor, it is characterised in that the stator liquid cooling structure bag
Include stator module（st100）, stator core（st101）, drive end axle bearing（st113）, non-driven-end bearing seat（st114）、
Support frame（st107）；The stator core（st101）Formed by stalloy is radially superposed, designed using stator with no yoke portion；Institute
State stator core（st101）Outside wall surface be cased with stator winding（st102）And the stator winding（st102）Plastic packaging asphalt mixtures modified by epoxy resin
Fat；The drive end axle bearing（st113）It is fixed on support frame（st107）On, the non-driven-end bearing seat（st114）For
Divide half structure, the support frame（st107）With non-driven-end bearing seat（st114）Between be provided with Serpentiss type cooling water channel
（st115）, the Serpentiss type cooling water channel（st115）A side end face by the drive end axle bearing（st113）Axially position, separately
One side end face passes through bearing end cover（st116）Axially position, and it is disposed with coolant inlet（st119）, cooling liquid outlet
（st120）.
According to above-mentioned structure, it is characterised in that the Serpentiss type cooling water channel（st115）Using aluminum alloy material.
According to above-mentioned structure, it is characterised in that it is described fixed to be realized by the angular contact ball bearing of a pair back-to-back settings
Sub-component（st100）With anti-drive end rotor assembly and the relative motion of drive end rotor assembly.
According to above-mentioned structure, it is characterised in that the support frame（st107）Using aluminum alloy material.
The beneficial effects of the utility model：
The stator winding st102 of stator module st100 is used epoxy resin plastic packaging by this utility model, improves heat conduction system
Number, and heat is taken away using the logical coolants of Serpentiss type cooling water channel st115.By above measure, using the disc type electricity of this stator
Machine is provided with higher heatproof and upgrades, and can bear bigger overload, and structure is compacter, improve power of motor density and
Torque density；Mainly as traction power, harshness is required to space, reliability, high power density, high efficiency, low noise etc., fitted
Together in fields such as pure electronic, hybrid vehicles as the straight application for driving, matching differential mechanism or change speed gear box.
Description of the drawings
Stator module detonation configuration figures of the Fig. 1 for this utility model disc type electric machine.
Stator module sectional structure charts of the Fig. 2 for this utility model disc type electric machine.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Described stator module st100, such as Fig. 1, shown in Fig. 2, including stator core st101, stator core st101 is by height
Pcrmeability, low-loss, ultra-thin stalloy is radially superposed forms, to reduce stator core loss, in upper and lower notch position, each to weld
Each monomer is formed an entirety by 2 road weld seams.Stator winding st102 is cased with each tooth of stator core st101, it is fixed
Sub- winding st102 draws three-phase UVW lead-out wires.
Support frame st107 is embedded between adjacent 2 teeth of stator core st101, stator winding st102 both sides
End face uses outer end ring st106 and outer end ring st109, screw st104 and screw st111, interior end ring st106 and interior end ring
St106, screw st103 and screw st110 are fixed to support frame st107, form an entirety, to limit stator core
St101, stator winding st102 radially, axially, tangential motion.
Drive end axle bearing st113 is fixed on support frame st107 by screw st112, non-driven-end bearing seat
St114, for the ease of installing/dismounting, designs composition half structure, Serpentiss type cooling water channel st115 be placed on support frame st107 with
Between non-driven-end bearing seat st114, by drive end axle bearing st113 axially position, another side end face passes through for a side end face
Bearing end cover st116 axially positions, and it is disposed with coolant inlet st119, cooling liquid outlet st120.
The heat that stator winding st102, stator core st101 are produced, by the asphalt mixtures modified by epoxy resin of stator winding st102 institutes plastic packaging
Fat, is transmitted to the support frame st107 of aluminum alloy material, then by the flowing coolant band in Serpentiss type cooling water channel st115
Walk.This design, increases the contact area of dissipation of main pyrotoxin, significantly improves stator radiating effect.
Bearing end cover st116 is fixed on support frame st107 by screw st118.Temperature sensor detection line is from axle
Draw in holding the cycle hole of enclosing cover st116, sealed using rubber bush.
The present invention operation principle be：The three-phase of the external inverter outputs of stator winding st102 in stator module st100
Alternating current, produces circular rotating field, the magnetic field intercepts stator winding st102 that magnet steel is produced, so as to stator winding st102 is produced
Circular rotating field drive magnet steel, magnet steel produce permanent magnetic field synchronous rotary, produce electromagnetic torque.Run in disc type electric machine
During the heat that produces, mainly taken away by the circulating cooling liquid in stator module st100, cooled down as a result of coolant
+ stator winding st102 epoxy resin plastic packaging conducts hot scheme, and disc type electric machine can bear bigger overload, possess bigger work(
Rate density and torque density；Employ built-in rotor scheme so that disc type electric machine has broader weak-magnetic speed-regulating energy
Power, can under higher rotating speed reliability service.
Although this specification has been illustrated and described specific embodiment, it will be understood by those skilled in the art that
In the case of without departing substantially from the scope of the present invention, various replacements or equivalent are realized substituting these shown and described tools
Body embodiment.The application is intended to cover any change and the present invention is discussed various is embodied as example.Therefore it is of the invention
It is limited only by the claims and the equivalents thereof.
Claims (4)
1. a kind of stator liquid cooling structure of built-in disc type electric machine, it is characterised in that the stator liquid cooling structure includes stator pack
Part（st100）, stator core（st101）, drive end axle bearing（st113）, non-driven-end bearing seat（st114）, support frame
（st107）；The stator core（st101）Formed by stalloy is radially superposed, designed using stator with no yoke portion；The stator ferrum
Core（st101）Outside wall surface be cased with stator winding（st102）And the stator winding（st102）Plastic packaging epoxy resin；It is described
Drive end axle bearing（st113）It is fixed on support frame（st107）On, the non-driven-end bearing seat（st114）For a point half hitch
Structure, the support frame（st107）With non-driven-end bearing seat（st114）Between be provided with Serpentiss type cooling water channel（st115）, should
Serpentiss type cooling water channel（st115）A side end face by the drive end axle bearing（st113）Axially position, another side end face are led to
Cross bearing end cover（st116）Axially position, and it is disposed with coolant inlet（st119）, cooling liquid outlet（st120）.
2. a kind of stator liquid cooling structure of built-in disc type electric machine according to claim 1, it is characterised in that the Serpentiss type
Cooling water channel（st115）Using aluminum alloy material.
3. the stator liquid cooling structure of a kind of built-in disc type electric machine according to claim 1, it is characterised in that by a pair
The angular contact ball bearing of back-to-back setting realizes the stator module（st100）With anti-drive end rotor assembly and drive end rotor
The relative motion of component.
4. a kind of stator liquid cooling structure of built-in disc type electric machine according to claim 1, it is characterised in that the support
Skeleton（st107）Using aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326689.1U CN206060379U (en) | 2016-04-19 | 2016-04-19 | A kind of stator liquid cooling structure of built-in disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326689.1U CN206060379U (en) | 2016-04-19 | 2016-04-19 | A kind of stator liquid cooling structure of built-in disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060379U true CN206060379U (en) | 2017-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620326689.1U Expired - Fee Related CN206060379U (en) | 2016-04-19 | 2016-04-19 | A kind of stator liquid cooling structure of built-in disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896766A (en) * | 2016-04-19 | 2016-08-24 | 北京康城科技有限公司 | Stator liquid cooling structure for built-in disc type motor |
| WO2018191990A1 (en) * | 2017-04-18 | 2018-10-25 | 南通森玛特电机有限公司 | High-efficiency explosion-proof three-phase asynchronous motor |
-
2016
- 2016-04-19 CN CN201620326689.1U patent/CN206060379U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896766A (en) * | 2016-04-19 | 2016-08-24 | 北京康城科技有限公司 | Stator liquid cooling structure for built-in disc type motor |
| WO2018191990A1 (en) * | 2017-04-18 | 2018-10-25 | 南通森玛特电机有限公司 | High-efficiency explosion-proof three-phase asynchronous 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: 20170329 Termination date: 20190419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |