CN208299631U - A kind of motor of automobile motor stator module application that strengthening heat management - Google Patents
A kind of motor of automobile motor stator module application that strengthening heat management Download PDFInfo
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- CN208299631U CN208299631U CN201820183236.7U CN201820183236U CN208299631U CN 208299631 U CN208299631 U CN 208299631U CN 201820183236 U CN201820183236 U CN 201820183236U CN 208299631 U CN208299631 U CN 208299631U
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Abstract
The utility model discloses a kind of motors of automobile motor stator module application for strengthening heat management.The motor includes motor case, stator core, stator winding, solid phase heat accumulating and phase transformation heat pipe；The shell both ends of the motor case have phase transformation heat pipe mounting groove road and threaded hole；The threaded hole for realizing with the bolt of flange end cap connect；The stator winding is mounted in the line embedding groove of stator core, and is integrally placed in motor case with stator core；The phase transformation heat pipe is 3D free form surface phase transformation heat pipe flexible, and condensation end is assemblied in the phase transformation heat pipe mounting groove road of motor case, and evaporation ends realize that low thermal resistance is fitted close by solid phase heat accumulating and stator winding；In the filling gap between stator winding both ends and motor case of solid phase heat accumulating.The equal thermal effect of motor of high thermal conductivity automobile motor stator module application is good, and good heat dissipation effect, structure is simple, long service life, easy for installation.
Description
Technical field
The utility model relates to automobile motor technical fields, and in particular to a kind of automobile motor stator pack for strengthening heat management
The motor of part application.
Background technique
In recent years, it is obtained based on sustainable development ideas, electric cars such as energy saving, environmental protection and Green Developments
Swift and violent development.Core component of the motor as drive system of electric automobile, performance directly determine the performance of electric car,
And motor temperature rise problem limits development of the motor to high power density, high reliability and densification direction.Excessively high motor temperature
Degree will cause a series of problems, such as motor overheating, failure of insulation, permanent magnet failure, using the motor heat management system of high efficient and reliable
It is the key that improve motor working efficiency, stability and reliability.
Structure design, installation site and material cost of motor etc. determine deposits between motor stator winding both ends and casing
In biggish gap, and the heat that the extremely low thermal conductivity of air generates winding both ends is from being timely discharged, in peak value work
It is easy to cause stator winding end transient temperature excessively high under condition, affects the Stability and dependability that motor uses.Meanwhile motor
Effective heat dissipation area of casing is only the part contacted with stator core, only accounts for the one third of casing inner wall face area to two points
One of, remaining area cannot then efficiently use, and cause motor case temperature gradient excessive, influence the temperature control of motor entirety
Energy.The heat dissipation problem of motor becomes the key for restricting motor development, urgent need to resolve.
For it is current the fact that, the utility model disclose it is a kind of strengthen heat management automobile motor stator module and its
The motor of application, by installing phase transformation heat pipe between stator winding end and casing, so that the heat that winding overhang generates can
To be quickly transmitted to motor case, entire motor case is made full use of to radiate, realizes being uniformly distributed for heat, avoid motor
Local temperature is excessively high；The filling solid phase heat accumulating between winding overhang and casing simultaneously, can instantaneously generate heat in motor
More, phase transformation heat pipe carries out heat storage in the case where cannot being discharged in time, avoids motor transient temperature excessively high, improves motor peak
It is worth the stability and reliability of operation.By combining solid phase heat-storage technology and phase-change heat transfer technology, motor case heat dissipation is enhanced
Utilization efficiency improves the temperature-control performance of motor.
Utility model content
The purpose of this utility model is that being directed to the deficiency of heat dissipation problem of the existing technology, a kind of reinforcing heat is provided
The motor of the automobile motor stator module application of management.The motor of the automobile motor stator module application of the reinforcing heat management utilizes
Solid phase heat accumulating and phase transformation hot pipe technique improve the temperature-control performance when operation of motor peak value, temporary with solid phase heat accumulating
Storage, phase transformation heat pipe quickly transmit the heat that motor instantaneously generates, by automobile motor major heat producing components stator core and stator
The heat that winding generates quickly conducts the redistribution that heat is realized to motor case, avoids motor local temperature excessively high；And
The amount of heat instantaneously generated can be stored when motor peak value is run, avoids motor transient temperature excessively high, improve motor peak value
Reliability and stability when operation；The equal thermal effect of motor of high thermal conductivity automobile motor stator module application is good, heat dissipation effect
Good, structure is simple, long service life, easy for installation.
The purpose of this utility model is achieved through the following technical solutions.
A kind of motor of automobile motor stator module application that strengthening heat management, including motor case, stator core, stator
Winding, solid phase heat accumulating and phase transformation heat pipe；
The motor case is the molding Aluminum Shell of integration, and shell both ends have phase transformation heat pipe mounting groove road and screw thread
Hole；The threaded hole for realizing with the bolt of flange end cap connect；
The stator winding is mounted in the line embedding groove of stator core, and is integrally placed in motor case with stator core,
And stator winding protrudes stator core both ends of the surface, forms stator winding both ends；The outside wall surface and motor machine of the stator core
The inner walls face of shell is in contact；
In the filling gap between stator winding both ends and motor case of solid phase heat accumulating, it is fixed to be directly connected to
Sub- winding both ends and motor case shell；
The phase transformation heat pipe is 3D free form surface phase transformation heat pipe flexible, and inside has liquid sucting core structure, phase transformation heat pipe
Condensation end is assemblied in the phase transformation heat pipe mounting groove road of motor case, and the evaporation ends of phase transformation heat pipe by solid phase heat accumulating and are determined
Sub- winding realizes that low thermal resistance is fitted close, and phase transformation heat pipe both ends are connect with stator winding both ends and motor case respectively, realizes
The efficiently and directionally conveying of high fever component heat inside motor.
Further, the phase transformation heat pipe mounting groove road is uniformly distributed circumferentially the shell both ends of the surface in motor case, slot
The quantity in road and the quantity of phase transformation heat pipe are consistent, and carry out ruler according to real electrical machinery heating power and shell body channel structure
Very little design.
Further, the cross sectional shape in the phase transformation heat pipe mounting groove road is round, semicircle or rectangle, and phase transformation heat pipe
The fit tolerance for installing conduit and phase transformation heat pipe is+0.6~+0.2mm.
Further, the solid phase heat accumulating has good liquid fluidity, superior insulation characterisitic and higher
Thermal conductivity, specific viscosity are 500~6000cps, volume conductance >=1 × 1016Ω cm is 0.6~2.5W/mK.
Further, the solid phase heat accumulating preferably is selected from including heat-conducting resin or thermally conductive casting glue.
Solid phase heat accumulating is by the filling gap between stator winding both ends and motor case of liquid phase, by heat cure
After keep solid state shape, be directly connected to the shell of stator winding and motor case, with realize heat storage and outward conduction.
Further, the phase transformation heat pipe used has good flexibility for flexibility 3D free form surface phase transformation heat pipe, can root
3D bending is carried out according to use demand.
Further, the liquid sucting core structure of the phase transformation inside heat pipe is the very low power with high depth-to-width ratio, and is had
The characteristic for irreversibly delivering liquid makes phase transformation heat pipe have one-way heat conduction characteristic, effectively improves between stator winding and motor case
Heat transfer speed.
Still more preferably, the depth-to-width ratio of the groove is 2: 1~4: 1.
Still more preferably, the cross sectional shape of the groove is rectangle, and flute surfaces have micro- fin structure, ditch groove depth
Degree is between 0.2~2mm, and width is between 0.2~1mm, and spacing is between 0.1~1mm.
Further, the working medium being perfused in the phase transformation heat pipe is coolant media, including deionized water or acetone.
Still more preferably, the groundwater increment of the working medium be phase transformation inside heat pipe liquid sucting core structure volume 1/5~
1/3。
Further, the inside of the phase transformation heat pipe is vacuum sealing, and vacuum degree is lower than 50Pa.
Further, the assembly method in the condensation end of the phase transformation heat pipe and phase transformation heat pipe mounting groove road is welding, expanded joint
Or it is glued.
A kind of motor of the automobile motor stator module application of reinforcing heat management is suitable for water-cooled machine or air-cooled
Motor.
Compared with prior art, the utility model is had the following advantages and beneficial effects:
(1) the utility model utilizes the phase-change heat transfer characteristic of phase transformation heat pipe, since phase transformation heat pipe has high thermal conductivity,
The amount of heat that stator winding and stator core generate quickly rapidly can be transferred to entire casing, realize dividing again for heat
Cloth avoids motor local temperature excessively high, significantly improves the heat dissipation performance of motor；
(2) solid phase heat accumulating is filled in the gap between motor case and winding overhang by the utility model, solid phase
Heat accumulating improves the heat convection effect between stator winding and motor case compared to air thermal conductivity with higher
Rate；Importantly, solid phase heat accumulating can store the amount of heat instantaneously generated, avoid transient temperature excessively high, improves electricity
The job stability of machine peak value operating condition；Meanwhile solid phase heat accumulating has insulation characterisitic, is filled in phase transformation heat pipe evaporation ends and determines
Between sub- winding, electric insulation not only may be implemented, guarantee the safety of motor work, and heat of transformation pipe can be fixed, protect
Demonstrate,prove the stability of heat of transformation pipe work；
(3) the utility model structure is simple, easy for installation, long service life, be applicable on the market it is all it is automobile-used forever
Magnetic-synchro modified motor, especially suitable for high-performance, the repacking of high power density permanent magnet synchronous motor.
Detailed description of the invention
Fig. 1 is a kind of motor for the automobile motor stator module application for strengthening heat management of the utility model for water-cooled machine
Three-dimensional cutaway view；
Fig. 2 is a kind of motor for the automobile motor stator module application for strengthening heat management of the utility model for water-cooled machine
Explosive view；
Fig. 3 is a kind of motor for the automobile motor stator module application for strengthening heat management of the utility model for water-cooled machine
Motor case shell three-dimensional cutaway view；
Fig. 4 is a kind of motor for the automobile motor stator module application for strengthening heat management of the utility model for water-cooled machine
Phase transformation heat pipe, stator winding and stator core subssembly drawing.
Specific embodiment
With reference to embodiments and attached drawing is described in further detail technical solutions of the utility model, but the utility model
Protection scope and embodiment it is without being limited thereto.
As shown in Figure 1, being used for for a kind of motor for the automobile motor stator module application for strengthening heat management of the utility model
The three-dimensional structure diagram (explosive view is as shown in Figure 2) of water-cooled machine, including motor case 1, stator core 2, stator winding 3, solid phase
Heat accumulating 4, phase transformation heat pipe 5 and water nozzle 6；
Motor case 1 is the Aluminum Shell by aluminium A6061 integrated molding (three-dimensional cutaway view is as shown in Figure 3)；In electricity
The inside of machine casing 1, the axially extending bore structure with integrated molding, by welding water nozzle 6 and end cap in shell corresponding position,
Form closed water stream channel 11；Shell both ends have phase transformation heat pipe mounting groove road 12, and phase transformation heat pipe mounting groove road 12 is circumferentially
It is uniformly arranged in the both ends of the surface of motor case 1,16 in total, and each 8 of upper and lower end face；The cross in phase transformation heat pipe mounting groove road 12
Cross sectional shape is circle；1 both ends of the surface of motor case also respectively processing there are four M8 threaded hole 131, threaded hole 131 for realizing with
The bolt of flange end cap connects；
Stator winding 3 is mounted in the line embedding groove of stator core 2, and is integrally placed in motor case with stator core 2, and
Stator winding 3 protrudes 2 both ends of the surface of stator core, forms stator winding both ends；The outside wall surface and motor case 1 of stator core 2
Inner walls face be in contact；
In the filling gap between stator winding both ends and motor case 1 of solid phase heat accumulating 4, there is insulation characterisitic
With higher thermal conductivity, it is directly connected to stator winding both ends and motor case shell；Solid phase heat accumulating 4 use viscosity for
500~6000cps, volume conductance are >=1 × 1016Ω cm, thermal conductivity are the thermally conductive casting glue of 0.6~2.5W/mK；
Phase transformation heat pipe 5 is identical as the number in phase transformation heat pipe mounting groove road 12, and 16 in total, and each 8 of upper and lower end face, phase transformation
The fit tolerance in heat pipe 5 and phase transformation heat pipe mounting groove road 12 is+0.6mm；
Phase transformation heat pipe 5 uses diameter for the copper heat pipe of the very low power structure liquid-sucking core of 8mm, and copper inside heat pipe is micro- with 55
Groove, very low power cross sectional shape are rectangle, and trench depth 0.25mm, width 0.2mm are highly 0.125mm；Internal working medium
Using deionized water, liquid filled ratio 25%, the shape of phase transformation heat pipe 5 is cylinder；The internal vacuum of phase transformation heat pipe 5 is
10Pa；
The condensation end of phase transformation heat pipe 5 is assemblied in the phase transformation heat pipe mounting groove road 12 of motor case 1, and passes through low-temperature welding
Close connection is realized in technique and phase transformation heat pipe mounting groove road 12, and the evaporation ends of phase transformation heat pipe 5 pass through solid phase heat accumulating 4 and stator
Winding both ends realize that low thermal resistance is fitted close, and 5 both ends of phase transformation heat pipe are connect with stator winding 3 and motor case 1 respectively, realize
(subssembly drawing of phase transformation heat pipe, stator winding and stator core is such as the efficiently and directionally conveying of high fever component heat inside motor
Shown in Fig. 4).
A kind of automobile motor stator module for strengthening heat management of the utility model and its motor forming process step of application
It is as follows:
A6061 aluminum profile obtains shell body blank by integrated injection molding, is placed on machining center and carries out phase transformation
Heat pipe install conduit 12, threaded hole 131 and water channel plate muscle Milling Process, then it is carried out finishing remove flash removed flash after
Implement water flow and rinse process, removal shell body blank inside and the aluminium skimmings and coolant liquid on phase transformation heat pipe mounting groove road 12, so
The shell body blank baking oven is put into afterwards to remove moisture removal and be cooled to room temperature；By welding procedure by shell body blank, weldering
Water collecting nozzle 6 and water channel end cap carry out welded seal, form closed water stream channel 11, obtain motor case 1；
Motor case 1, which is placed in heating in high-frequency induction heating machine, makes its expanded by heating, while hot by stator core 2 and stator
3 hot jacket of winding completes the tight fit of stator module and motor case 1 in motor case 1；
One layer of low temperature solder(ing) paste is uniformly smeared in the changes in temperature section surface of phase transformation heat pipe 5, then at the uniform velocity insertion phase transformation heat pipe is pacified
In tankage road 12, need to keep the gap of 2~5mm between the bringing-up section and stator winding 3 of phase transformation heat pipe 5, to guarantee motor
Insulating requirements (are fixed) by mold；1 entirety of motor case for being embedded in phase transformation heat pipe 2 is put into baking oven, heating and thermal insulation
Melt low temperature solder(ing) paste completely, carries out being welded and fixed for phase transformation heat pipe 5；Mold is placed on the inside of stator winding 3, then fixed
The solid phase heat accumulating 4 of pouring in liquid, makes first when filling in gap between sub- 3 end of winding and the shell of motor case 1
Stator winding 3 is sealed close to rotor side with mold, prevents liquid heat accumulating from flowing into stator interior, solidifies at room temperature
After obtain solid phase heat accumulating 4 (being aided with heat treatment, to accelerate the curing rate of liquid phase heat accumulating), and remove mold；Most
Afterwards, cleaning treatment is carried out, the automobile-used water-cooled machine stator pack of high thermal conductivity based on solid phase heat accumulating and phase transformation hot pipe technique is obtained
Part.
When motor work operation, the heat that 3 end of stator winding generates can be quickly transferred to motor machine by phase transformation heat pipe 5
Shell 1 makes full use of entire casing to radiate, and realizes the redistribution of heat, avoids local temperature excessively high；Solid phase heat accumulating
4 can store the amount of heat instantaneously generated, avoid transient temperature excessively high, and the work temperature for improving motor peak value operating condition is qualitative；Knot
Solid phase heat accumulating and phase transformation hot pipe technique are closed, realizes the more outstanding temperature-control performance of automobile drive motor.
Above embodiments are only the utility model preferably embodiment, are only used for explaining the utility model, rather than limit
The utility model, those skilled in the art under without departing from the spirit of the present invention essence improvements introduced, deformation, replace, repair
Decorations etc., all should belong to the protection range of the utility model.
Claims (10)
1. it is a kind of strengthen heat management automobile motor stator module application motor, which is characterized in that including motor case (1),
Stator core (2), stator winding (3), solid phase heat accumulating (4) and phase transformation heat pipe (5)；
The motor case (1) is the molding Aluminum Shell of integration, and shell both ends of the surface have phase transformation heat pipe mounting groove road and spiral shell
Pit；The threaded hole for realizing with the bolt of flange end cap connect；
The stator winding (3) is mounted in the line embedding groove of stator core (2), and is integrally placed on motor machine with stator core (2)
In shell (1), and stator winding (3) protrudes stator core (2) both ends of the surface, forms stator winding both ends；The stator core (2)
Outside wall surface be in contact with the inner walls face of motor case (1)；
In the filling gap between stator winding both ends and motor case (1) of the solid phase heat accumulating (4), it is directly connected to
Stator winding both ends and motor case shell；
The phase transformation heat pipe (5) is 3D free form surface phase transformation heat pipe flexible, and inside has liquid sucting core structure, phase transformation heat pipe (5)
Condensation end be assemblied in the phase transformation heat pipe mounting groove road of motor case (1), the evaporation ends of phase transformation heat pipe (5) pass through solid phase heat accumulation
Material (4) and stator winding both ends realize that low thermal resistance is fitted close.
2. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the phase transformation heat pipe mounting groove road is uniformly distributed circumferentially in the shell both ends of motor case (1), the quantity and phase transformation of conduit
The quantity of heat pipe (5) is consistent, and carries out size design according to real electrical machinery heating power and motor case shell channel structure.
3. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
Cross sectional shape in, the phase transformation heat pipe mounting groove road is round, semicircle or rectangle, and phase transformation heat pipe mounting groove road and phase transformation
The fit tolerance of heat pipe (5) is+0.6 ~+0.2mm.
4. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the solid phase heat accumulating (4) has good liquid fluidity, superior insulation characterisitic and higher thermal conductivity, specifically
Viscosity is 500 ~ 6000 cps, volume conductance, thermal conductivity is 0.6 ~ 2.5；It is described
It includes heat-conducting resin or thermally conductive casting glue that solid phase heat accumulating, which is selected from,.
5. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the internal liquid sucting core structure of the phase transformation heat pipe (5) is the groove with high-aspect-ratio, and has one-way heat conduction characteristic.
6. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 5, feature exist
In the depth-to-width ratio of the groove is 2:1 ~ 4:1.
7. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 5, feature exist
In the cross sectional shape of the groove is rectangle, and flute surfaces have micro- fin structure, and trench depth is between 0.2 ~ 2 mm, width
Between 0.2 ~ 1 mm, spacing is between 0.1 ~ 1 mm.
8. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the working medium being perfused in the phase transformation heat pipe (5) is coolant media, including deionized water or acetone；The groundwater increment of the working medium
It is the 1/5 ~ 1/3 of the internal liquid sucting core structure volume of phase transformation heat pipe (5).
9. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the inside of the phase transformation heat pipe (5) is vacuum sealing, and vacuum degree is lower than 50 Pa.
10. a kind of motor of automobile motor stator module application for strengthening heat management according to claim 1, feature exist
In the condensation end of the phase transformation heat pipe (5) and the assembly method in phase transformation heat pipe mounting groove road are welding, expanded joint or splicing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183236.7U CN208299631U (en) | 2018-01-31 | 2018-01-31 | A kind of motor of automobile motor stator module application that strengthening heat management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183236.7U CN208299631U (en) | 2018-01-31 | 2018-01-31 | A kind of motor of automobile motor stator module application that strengthening heat management |
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| CN208299631U true CN208299631U (en) | 2018-12-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155761A (en) * | 2018-01-31 | 2018-06-12 | 华南理工大学 | A kind of motor of automobile motor stator module application for strengthening heat management |
| CN109842226A (en) * | 2019-02-20 | 2019-06-04 | 浙江大学 | Wind-driven generator |
| CN110336416A (en) * | 2019-04-30 | 2019-10-15 | 武汉理工大学 | It is a kind of to carry out cooling motor using phase-change material |
| IT201900013134A1 (en) * | 2019-07-29 | 2021-01-29 | Eldor Corp Spa | REFRIGERANT CASE FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE |
| WO2021019450A1 (en) * | 2019-07-29 | 2021-02-04 | Eldor Corporation S.P.A. | Coolant housing for an electric machine and electric machine |
-
2018
- 2018-01-31 CN CN201820183236.7U patent/CN208299631U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155761A (en) * | 2018-01-31 | 2018-06-12 | 华南理工大学 | A kind of motor of automobile motor stator module application for strengthening heat management |
| CN109842226A (en) * | 2019-02-20 | 2019-06-04 | 浙江大学 | Wind-driven generator |
| CN109842226B (en) * | 2019-02-20 | 2020-08-18 | 浙江大学 | Wind power generator |
| CN110336416A (en) * | 2019-04-30 | 2019-10-15 | 武汉理工大学 | It is a kind of to carry out cooling motor using phase-change material |
| CN110336416B (en) * | 2019-04-30 | 2022-06-03 | 武汉理工大学 | Motor cooled by phase-change material |
| IT201900013134A1 (en) * | 2019-07-29 | 2021-01-29 | Eldor Corp Spa | REFRIGERANT CASE FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE |
| WO2021019450A1 (en) * | 2019-07-29 | 2021-02-04 | Eldor Corporation S.P.A. | Coolant housing for an electric machine and electric machine |
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