CN207835295U - A kind of automobile motor stator module based on convection conduct heat material - Google Patents
A kind of automobile motor stator module based on convection conduct heat material Download PDFInfo
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- CN207835295U CN207835295U CN201820024416.0U CN201820024416U CN207835295U CN 207835295 U CN207835295 U CN 207835295U CN 201820024416 U CN201820024416 U CN 201820024416U CN 207835295 U CN207835295 U CN 207835295U
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- motor case
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- stator
- heat
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Abstract
The utility model discloses a kind of automobile motor stator modules based on convection conduct heat material；Including motor case ontology, and stator core and stator winding in motor case body interior are set；Motor case body interior offers multiple water circulation channels；Respectively in the air gap between the stator winding and motor case ontology for exposing stator core both ends, it is filled with solid phase heat accumulating layer.By in the gap between stator winding end and motor case ontology, filling flexibility solid phase highly heat-conductive material, and increase water circulation channel in motor case body interior；The heat dissipation problem that the extremely low thermal conductivity of air gap is brought between initial machine winding and casing is overcome, motor local temperature can be avoided excessively high quickly by the heat transfer of winding overhang to casing, realizes the good temperature-control performance of automobile drive motor.
Description
Technical field
The utility model is related to motor stator component more particularly to a kind of automobile motor stators based on convection conduct heat material
Component.
Background technology
Currently, the heat dissipation problem of motor, which becomes, restricts the key that further develops of motor manufacturing technology, and machine winding with
Iron core is major heat producing components, and wherein stator core is in direct contact with casing, has good radiating condition；However, by motor
The requirement of insulation characterisitic must keep the air gap of certain distance between electric motor winding end and casing, must between winding and iron core
Groove paper must be added, to ensure insulation characterisitic；Air gap greatly hinders the discharge of winding heat with the extremely low thermal conductivity of groove paper, because
The heat that machine winding generates quickly is transferred to casing as the coke of motor radiating is solved the problems, such as by this using high efficiency and heat radiation scheme
Point.
Invention content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency provide a kind of simple in structure, scattered
The high automobile motor stator module based on convection conduct heat material of the thermal efficiency.
The utility model is achieved through the following technical solutions：
A kind of automobile motor stator module based on convection conduct heat material, including motor case ontology 1, and be arranged in electricity
Stator core 2 inside machine casing ontology 1 and stator winding 3；Multiple water circulation channels are offered inside motor case ontology 1
11；
Respectively in the air gap between the stator winding 3 and motor case ontology 1 for exposing 2 both ends of stator core, it is filled with
Solid phase heat accumulating layer 4.
Each water circulation channel 11 is sequentially communicated along the multiple circumferentially spaced of motor case ontology 1, after connection
There are one Zong Kou and total mouths of water outlet of water inlet for tool.
The outer wall of motor case ontology 1 is equipped with the entry/exit water nozzle interface communicated respectively with intake total mouth and the total mouth of water outlet
5。
The connection in each water circulation channel 11 can be sequentially communicated by external pipeline, or by 1 inside stream of motor case ontology
Road is sequentially communicated.
The packaging method of automobile motor stator module of the utility model based on convection conduct heat material is as follows：
The motor case ontology 1 that injection molding obtains is placed in high-frequency induction heating machine first and is heated, keeps it heated swollen
It is swollen；Then stator core 2 and 3 hot jacket of stator winding are waited for that motor case ontology 1 is cooled to room temperature in motor case ontology 1,
To complete the interference fit of stator module and motor case ontology 1；
Cylindrical mold 6 is placed in 3 inside of stator winding, then in the stator winding 3 for exposing 2 both ends of stator core and electricity
In air gap between machine casing ontology 1, the filling solid phase heat accumulating of liquid phase；Then the filling solid phase heat accumulating of liquid phase is heated
To solidification temperature, solid phase heat accumulating layer 4 is obtained after cured, and remove mold, obtain the encapsulation of automobile motor stator module.
Above-mentioned motor case ontology 1 is placed in high-frequency induction heating machine is heated, which is 260 DEG C~270 DEG C.
The above-mentioned solid phase heat accumulating that liquid phase is filling is heated to solidification temperature, wherein it is 80 that this, which is heated to solidification temperature,
DEG C~90 DEG C, and keep the temperature 2h~3h.
Solid phase heat accumulating is flexible solid phase material.
The utility model compared with the existing technology, has the following advantages and effect：
By in the gap between stator winding end and motor case ontology, filling flexibility solid phase highly heat-conductive material,
And increase water circulation channel in motor case body interior；It is extremely low to overcome air gap between initial machine winding and casing
The heat dissipation problem that thermal conductivity is brought can avoid motor local temperature excessively high quickly by the heat transfer of winding overhang to casing,
Realize the good temperature-control performance of automobile drive motor.
Flexible solid phase material is filling by liquid phase, has good mobility, can be full of between winding overhang and casing
Gap ensure that heat source, heat-transfer device are contacted with the good of low-temperature receiver.Since stator winding end is in irregular shape, using rigidity
It tends not to ensure that heat-transfer device is contacted with the good of heat source when heat-transfer device, limits the performance of heat-transfer device performance.
Flexible solid phase material has good insulation characterisitic, will not require to have an impact to the insulating properties of motor.And it uses
The prioritization scheme that phase-change heat transfer device carries out motor radiating often generates threat to the insulation performance of motor.
By the way that in the air gap between winding overhang and motor case ontology, filling flexibility highly heat-conductive material realizes vehicle
It is of simple structure and low cost, reliability is high, simple production process with the good temperature-control performance of driving motor, there is good reality
Border application value.
Description of the drawings
Fig. 1 is the three-dimensional cutaway view of the utility model.
Fig. 2 is the partial sectional view of motor case ontology.
Fig. 3 is the filling process partial sectional view of solid phase heat accumulating.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figs. 1-3.The utility model discloses a kind of automobile motor stator module based on convection conduct heat material, packets
Motor case ontology 1 is included, and the stator core 2 and stator winding 3 being arranged inside motor case ontology 1；Motor case sheet
Multiple water circulation channels 11 are offered inside body 1；
Respectively in the air gap between the stator winding 3 and motor case ontology 1 for exposing 2 both ends of stator core, it is filled with
Solid phase heat accumulating layer 4.
Each water circulation channel 11 is sequentially communicated along the multiple circumferentially spaced of motor case ontology 1, after connection
There are one Zong Kou and total mouths of water outlet of water inlet for tool.
The outer wall of motor case ontology 1 is equipped with the entry/exit water nozzle interface communicated respectively with intake total mouth and the total mouth of water outlet
5。
The packaging method of automobile motor stator module of the utility model based on convection conduct heat material is as follows：
The motor case ontology 1 that injection molding obtains is placed in high-frequency induction heating machine first and is heated, keeps it heated swollen
It is swollen；Then stator core 2 and 3 hot jacket of stator winding are waited for that motor case ontology 1 is cooled to room temperature in motor case ontology 1,
To complete the interference fit of stator module and motor case ontology 1；
Cylindrical mold 6 is placed in 3 inside of stator winding, then in the stator winding 3 for exposing 2 both ends of stator core and electricity
In air gap between machine casing ontology 1, the filling solid phase heat accumulating of liquid phase；Then the filling solid phase heat accumulating of liquid phase is heated
To solidification temperature, solid phase heat accumulating layer 4 is obtained after cured, and remove mold, obtain the encapsulation of automobile motor stator module.
Cylindrical mold 6 is mainly sealed the inside of stator winding 3, prevents liquid phase heat accumulating from flowing into stator iron
In-core side influences the installation and operating of rotor.
It when the filling solid phase heat accumulating of liquid phase, can also be handled according to actual needs into between-line spacing filling, to save production
Cost.Solid phase heat accumulating generally uses flexible solid phase highly heat-conductive material.
Above-mentioned motor case ontology 1 is placed in high-frequency induction heating machine is heated, which is 260 DEG C~270 DEG C.
The above-mentioned solid phase heat accumulating that liquid phase is filling is heated to solidification temperature, wherein it is 80 that this, which is heated to solidification temperature,
DEG C~90 DEG C, and keep the temperature 2h~3h.
Motor case ontology 1 is made of aluminium A6061 of integrated injection molding technique；After injection molding, in flow
Add end cap, and welded seal processing etc. in the both ends of circulation canal 11 (axially extending bore structure).
When motor work operation, the heat that stator winding end generates can be quickly transferred to by solid phase heat accumulating layer 4
Motor case ontology 1 makes full use of entire casing to radiate, and improves radiating efficiency.
Water circulation channel 11 is passed through the cooling water circulated, further enhances radiating efficiency.
The connection in each water circulation channel of the utility model 11, can be in motor case 1 injection molding process of ontology including
It completes in portion；Also it can be one by one connected to by pipeline outside casing after the completion of injection molding process.
As described above, the utility model can be realized preferably.
The embodiment of the utility model is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Changes, modifications, substitutions, combinations, simplifications made by under Spirit Essence and principle, should be equivalent substitute mode, are included in
Within the scope of protection of the utility model.
Claims (4)
1. a kind of automobile motor stator module based on convection conduct heat material, including motor case ontology (1), and be arranged in electricity
The internal stator core (2) of machine casing ontology (1) and stator winding (3)；It is characterized in that：It is opened inside motor case ontology (1)
Equipped with multiple water circulation channels (11)；Respectively in the stator winding (3) and motor case ontology for exposing stator core (2) both ends
(1) in the air gap between, it is filled with solid phase heat accumulating layer (4).
2. the automobile motor stator module based on convection conduct heat material according to claim 1, it is characterised in that：Each flow is followed
Ring channel (11) is multiple circumferentially spaced along motor case ontology (1), and is sequentially communicated, and there are one water inlets for tool after connection
Zong Kou and total mouth of water outlet.
3. the automobile motor stator module based on convection conduct heat material according to claim 2, it is characterised in that：The motor
The outer wall of casing ontology (1) is equipped with the entry/exit water nozzle interface (5) communicated respectively with intake total mouth and the total mouth of water outlet.
4. the automobile motor stator module based on convection conduct heat material according to claim 3, it is characterised in that：Each flow is followed
The connection in ring channel (11) can be sequentially communicated by external pipeline, or be sequentially communicated by motor case ontology (1) inner flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024416.0U CN207835295U (en) | 2018-01-08 | 2018-01-08 | A kind of automobile motor stator module based on convection conduct heat material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820024416.0U CN207835295U (en) | 2018-01-08 | 2018-01-08 | A kind of automobile motor stator module based on convection conduct heat material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835295U true CN207835295U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820024416.0U Active CN207835295U (en) | 2018-01-08 | 2018-01-08 | A kind of automobile motor stator module based on convection conduct heat material |
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|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947479A (en) * | 2018-01-08 | 2018-04-20 | 华南理工大学 | A kind of automobile motor stator module and its method for packing based on convection conduct heat material |
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2018
- 2018-01-08 CN CN201820024416.0U patent/CN207835295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947479A (en) * | 2018-01-08 | 2018-04-20 | 华南理工大学 | A kind of automobile motor stator module and its method for packing based on convection conduct heat material |
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