CN206481161U - Phase-change heat ventilated machine shell and apply its ventilated machine - Google Patents
Phase-change heat ventilated machine shell and apply its ventilated machine Download PDFInfo
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- CN206481161U CN206481161U CN201621433761.7U CN201621433761U CN206481161U CN 206481161 U CN206481161 U CN 206481161U CN 201621433761 U CN201621433761 U CN 201621433761U CN 206481161 U CN206481161 U CN 206481161U
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- phase
- heat dissipation
- ventilated machine
- phase transition
- dissipation channel
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Abstract
The utility model discloses a kind of phase-change heat ventilated machine shell and using its ventilated machine, the phase-change heat ventilated machine shell includes toroidal shell, some spaced radiating fins are circumferentially protruding with outside toroidal shell, it also includes upper head plate and bottom plate, some phase transition of vacuum heat dissipation channels are distributed with toroidal shell inner circumferential, phase transition of vacuum heat dissipation channel extends to lower surface from the upper surface of toroidal shell, phase transition of vacuum heat dissipation channel two ends are by upper head plate, bottom plate is sealed, phase-change working substance is provided with phase transition of vacuum heat dissipation channel, phase transition of vacuum heat dissipation channel inwall is provided with porous liquid-adsorption layer, porous imbibition layer surface is provided with some imbibing holes.Phase-change heat ventilated machine shell described in the utility model, simple in construction, good heat dissipation effect is easy for installation, with low cost, is applicable to automobile permanent magnet synchronous motor repackings all on the market；It can more promote motor electromagnetic performance to be designed toward more power density direction, realize the light-weighted purpose of electric machine assembly.
Description
Technical field：
The utility model is related to a kind of phase-change heat ventilated machine shell and applies its ventilated machine.
Background technology：
At present, new-energy automobile is all being greatly developed in countries in the world, and China is even more to be included in emerging to seven great strategies
Among industry.But at present, still lack extensive at present as the automobile motor and its control system of its drive system core
Industrialization checking, part kernel component High Efficiency Thermal management key technology still grasp in foreign vendor's hand, it is especially high
Performance, the automobile motor of high power density slowly fail to appear in Chinese autonomous research in the market always.To find out its cause, motor is warm
Administrative skill serves restriction effect largely.It directly affects electric efficiency, reliability and service life.
The temperature rise control of current new-energy automobile motor relies primarily on water-cooling system or the forced air cooling.Its
In, for the forced air cooling, because motor major heat producing components are stator winding and stator core, and the biography both it
The contact site that hot approach relies primarily on stator core and air-cooled casing is carried out, therefore, it is generally the case that by installation site,
The limitation of outlet method and material cost etc., above-mentioned contact site area only accounts for 1/3rd of air-cooled casing internal face area
To 1/2nd, remaining area then cannot be utilized effectively, so that cause air-cooled casing part temperature too high, temperature gradient
Excessive phenomenon so that the radiating fin group at air-cooled casing two ends can not obtain good utilization, and then influence motor whole
The temperature-control performance of machine.
Utility model content：
The purpose of this utility model is to provide a kind of phase-change heat ventilated machine shell and applies its ventilated machine, energy
The radiating machine casing local temperature for solving ventilated machine is too high, and temperature gradient is excessive, the problem of radiating slow.
The purpose of this utility model is achieved by following technical proposals.
A purpose of the present utility model is to provide a kind of phase-change heat ventilated machine shell, including toroidal shell, described
Some spaced radiating fins are circumferentially protruding with outside toroidal shell, it is characterised in that：Also include upper head plate and lower end
Plate, the toroidal shell inner circumferential is distributed with some phase transition of vacuum heat dissipation channels, and the phase transition of vacuum heat dissipation channel is from the ring
The upper surface of shape housing extends to lower surface, and the phase transition of vacuum heat dissipation channel two ends are close by the upper head plate, the bottom plate
Phase-change working substance is provided with envelope, the phase transition of vacuum heat dissipation channel, the phase transition of vacuum heat dissipation channel inwall is provided with porous liquid-adsorption layer,
The porous imbibition layer surface is provided with some imbibing holes.
Phase transition of vacuum heat dissipation channel described above is axially arranged.
Phase transition of vacuum heat dissipation channel described above is evenly distributed in the toroidal shell.
The cross section of phase transition of vacuum heat dissipation channel described above is circle, arc, rectangle or trapezoidal.
Two ports of phase transition of vacuum heat dissipation channel described above are provided with countersunk recesses, the upper head plate and the bottom plate
In the countersunk recesses, upper head plate and bottom plate include roof and side wall, and the side wall is sticked in the countersunk recesses
Cell wall on.
The axially inclined angle of countersunk recesses cell wall described above is 5 ° -20 °.
The thickness of porous liquid-adsorption layer described above is 0.5-1.5mm, and the porosity of the imbibing hole is 50%-75%.
Phase-change working substance described above is deionized water or acetone, and the liquid groundwater increment of the phase-change working substance is the vacuum phase
Become 25%-the 75% of heat dissipation channel total measurement (volume).
The sealing vacuum of phase transition of vacuum heat dissipation channel described above is less than or equal to 100 handkerchiefs.
Radiating fin lateral surface described above is provided with some radiating reinforcements.
The cross section of radiating reinforcement described above is V-arrangement, arc, zigzag, rectangle or trapezoidal.
Porous imbibition layer surface described above is provided with groove.
The cross section of groove described above is V-arrangement, arc, zigzag, rectangle or trapezoidal.
Toroidal shell described above, the radiating fin and the phase transition of vacuum heat dissipation channel are squeezed into by copper material integration
Type machine-shaping, the porous liquid-adsorption layer is that copper powder is made in being sintered in the phase transition of vacuum heat dissipation channel.
Another purpose of the present utility model is to provide a kind of ventilated machine, including casing assembly, stator module, rotor set
Part and rotating shaft, the rotor assembly are arranged in the rotating shaft, and the stator module nesting is arranged on inside the casing assembly,
The rotor assembly is sheathed on inside the stator module, wherein the stator module includes stator core and is set around described
Coil windings on stator core, it is characterised in that：The casing assembly includes case body, upper end cover and bottom end cover, described
Case body is phase-change heat ventilated machine shell described above.
The utility model compared with prior art, has the effect that：
1) the utility model combines the phase transformation of the capillarity and liquid working substance of porous liquid-adsorption layer under vacuum conditions
Property, assigns the extremely efficient heat-transfer capability of phase transition of vacuum heat dissipation channel in the toroidal shell, its thermal conductivity factor is
Know metal up to ten thousand times, the amount of heat that stator core and toroidal shell contact site are concentrated on originally can rapidly be propagated,
Whole casing is diffused to, so as to eliminate local temperature problems of excessive heat, significantly reduces the temperature gradient of casing, and then promote more
Heat conduct to radiating fin group and radiated from stator winding and stator core position, heat inside motor can be realized
The Quick Casting of distribution is measured, rapid heat dissipation, the problem of local temperature of toroidal shell is too high is solved, and thermograde is small,
Uniform heat distribution；
2) upper surface of phase transition of vacuum heat dissipation channel from the toroidal shell extends to lower surface, can concentrate script
Amount of heat in the middle part of toroidal shell is propagated rapidly, diffuses to whole casing, so as to eliminate local temperature problems of excessive heat, significantly
The temperature gradient for reducing casing is spent, and then promotes more heats to be conducted from toroidal shell inner chamber to radiating fin and is radiated,
Realize motor more outstanding temperature-control performance；
3) the phase transition of vacuum heat dissipation channel is axially arranged, easy to process；
4) toroidal shell, the radiating fin and the phase transition of vacuum heat dissipation channel are by copper material integrated extrusion molding
Machine-shaping, the porous liquid-adsorption layer is that copper powder is made in being sintered in the phase transition of vacuum heat dissipation channel, eliminates phase transformation heat pipe
Use and assemble, substantially reduce the thermal contact resistance in heat sinking pathway；
5) the radiating fin lateral surface is provided with some radiating reinforcements, and radiating reinforcement increases the contact of heat loss through convection
The temperature-control performance of area, effectively lifting motor；
6) ventilated machine, has used phase-change heat ventilated machine shell, has made the heat of coil windings and stator core
Radiating fin can be rapidly transferred to be radiated, improve the temperature-control performance of motor, improve the operation stability of motor.
Brief description of the drawings：
Fig. 1 is the stereogram for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 2 is another angle stereogram for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 3 is the explosive view for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 4 is the sectional view for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 5 is enlarged drawing at Fig. 4 A；
Fig. 6 is enlarged drawing at Fig. 4 B；
Fig. 7 is the top view of the toroidal shell for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 8 is enlarged drawing at Fig. 7 C；
Fig. 9 is the structural representation of another shape of the phase transition of vacuum heat dissipation channel；
Figure 10 is the sectional view for the ventilated machine that the utility model embodiment two is provided.
Embodiment：
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment one：
As shown in Figures 1 to 8, the present embodiment provides a kind of phase-change heat ventilated machine shell, including toroidal shell
10, some spaced radiating fins 11 are circumferentially protruding with outside the toroidal shell 10, it is characterised in that：Also include upper
Some phase transition of vacuum heat dissipation channels 14, the phase transition of vacuum are distributed with end plate 2 and bottom plate 3, the inner circumferential of toroidal shell 10
The upper surface 12 of heat dissipation channel 14 from the toroidal shell 10 extends to lower surface 13, the two ends of phase transition of vacuum heat dissipation channel 14
Sealed by the upper head plate 2, the bottom plate 3, phase-change working substance, the vacuum phase are provided with the phase transition of vacuum heat dissipation channel 14
Become the inwall of heat dissipation channel 14 and be provided with porous liquid-adsorption layer 141, the porous surface of liquid-adsorption layer 141 is provided with some imbibing holes.
The utility model combines the interconvertibility of the capillarity and liquid working substance of porous liquid-adsorption layer under vacuum conditions
Matter, assigns the extremely efficient heat-transfer capability of phase transition of vacuum heat dissipation channel 14 in the toroidal shell 10, and its thermal conductivity factor is
Up to ten thousand times of known metal, can realize the Quick Casting of motor internal heat distribution, rapid heat dissipation, the part of toroidal shell
The problem of temperature is too high is solved, and thermograde is small, uniform heat distribution.The phase transition of vacuum heat dissipation channel 14 is from described
The upper surface 12 of toroidal shell 10 extends to lower surface 13, and the amount of heat that script can be concentrated on to the middle part of toroidal shell 10 is rapid
Propagate, diffuse to whole casing, so as to eliminate local temperature problems of excessive heat, significantly reduce the temperature gradient of casing, and then promote
Make more heats conduct to radiating fin from the inner chamber of toroidal shell 10 to be radiated, realize motor more outstanding temperature control
Performance.
Phase transition of vacuum heat dissipation channel 14 described above is axially arranged, easy to process.
Phase transition of vacuum heat dissipation channel 14 described above is evenly distributed in the toroidal shell 10.
Two ports of phase transition of vacuum heat dissipation channel 14 described above are provided with countersunk recesses 142, the upper head plate 2 and described
Bottom plate 3 is arranged in the countersunk recesses 142, and upper head plate 2 and bottom plate 3 include roof 22 and side wall 23, the side wall 23
It is sticked on the cell wall of the countersunk recesses 142.
The axially inclined angle of the cell wall of countersunk recesses 142 described above is 5 ° -20 °.
It is additionally provided with the roof 22 of above-mentioned upper head plate 2 and vacuumizes pipe 21, is vacuumized when pipe 21 is used to produce to vacuum
Phase-change heat passage 14 pours into the phase-change material of liquid and phase transition of vacuum heat dissipation channel 14 is vacuumized, described to vacuumize circle
The top of pipe 21 is sealed.
The thickness of porous liquid-adsorption layer 141 described above is 0.5-1.5mm, the porosity of the imbibing hole for 50%-
75%.
Phase-change working substance described above is deionized water or acetone, and the liquid groundwater increment of the phase-change working substance is the vacuum phase
Become 25%-the 75% of the total measurement (volume) of heat dissipation channel 14.
The sealing vacuum of phase transition of vacuum heat dissipation channel 14 described above is less than or equal to 100 handkerchiefs.
The surface of porous liquid-adsorption layer 141 described above is additionally provided with groove 143.
The lateral surface of radiating fin 11 described above is provided with some radiating reinforcements 111.Radiating reinforcement is increased to wandering
The temperature-control performance of the contact area of heat, effectively lifting motor.
The lateral surface of radiating fin 11 described above also can be by blasting treatment come augmentation of heat transfer effect.The toroidal shell 10
Upper surface 12 and lower surface 13 be also machined with some screwed holes, with realize with motor upper cover, bottom end cover bolt connection.
Toroidal shell 10 described above, the radiating fin 11 and the phase transition of vacuum heat dissipation channel 14 are by copper material integration
Extrusion forming machine-shaping, the porous liquid-adsorption layer 141 is that copper powder is made in sintering in the phase transition of vacuum heat dissipation channel 14.Exempt from
Using and assembling except phase transformation heat pipe, substantially reduces the thermal contact resistance in heat sinking pathway.
In the present embodiment, 48 phase transition of vacuum heat dissipation channels 14 are evenly distributed with the toroidal shell 1, phase transition of vacuum dissipates
The cross section of the passage of heat 14 is circle, and the cross section of the radiating reinforcement 111 is V-arrangement.The thickness of the porous liquid-adsorption layer 141
For 1mm, the porosity of the imbibing hole is 60%.
The liquid phase-change working medium of perfusion is deionized water, 48 phase transition of vacuum radiatings in the phase transition of vacuum heat dissipation channel 14
The groundwater increment of passage 14 amounts to 50ml, and sealing vacuum is 10-20 handkerchiefs.
As shown in figure 9, the cross section of phase transition of vacuum heat dissipation channel 14 described above is alternatively arc, rectangle or trapezoidal.
The surface of porous liquid-adsorption layer 141 described above is additionally provided with groove 143.
The cross section of groove 143 described above is V-arrangement, arc, zigzag, rectangle or trapezoidal.
The cross section of radiating reinforcement 111 described above is V-arrangement, arc, zigzag, rectangle or trapezoidal.
The phase-change heat ventilated machine shell that the present embodiment is provided, simple in construction, good heat dissipation effect, easy for installation, cost
It is cheap, it is applicable to automobile permanent magnet synchronous motor repackings all on the market；Motor electromagnetic performance can more be promoted toward more power
Density direction is designed, and realizes the purpose of electric machine assembly lightweight and cost degradation.
Embodiment two：
As shown in Figure 10, the present embodiment provides a kind of ventilated machine, including casing assembly, stator module 4, rotor set
Part 5 and rotating shaft 6, the rotor assembly 5 are arranged in the rotating shaft 6, and the stator module 4 is nested to be arranged on the casing assembly
The inside, the rotor assembly 5 is sheathed on the inside of the stator module 4, wherein the stator module 4 include stator core 41 and
The coil windings 42 on the stator core 41 are set around, the casing assembly includes case body 1, upper end cover 71 and bottom end cover
72, the case body 1 is the phase-change heat ventilated machine shell described in embodiment one.
Ventilated machine described in the present embodiment, has used phase-change heat ventilated machine shell, has made coil windings 42 and stator iron
The heat of core 41, which can run through the phase transition of vacuum heat dissipation channel 14 and conduct to radiating fin 11, to be radiated, and improves driving electricity
The temperature-control performance of machine, improves the operation stability of motor.
Above example is better embodiment of the present utility model, but embodiment not limited to this of the present utility model,
Other it is any without departing from Spirit Essence of the present utility model and the change made under principle, modification, replacement, combine, simplify, be
Equivalent substitute mode, is included within protection domain of the present utility model.
Claims (15)
1. a kind of phase-change heat ventilated machine shell, including toroidal shell (10), the toroidal shell (10) are outside circumferentially convex
Go out to have some spaced radiating fins (11), it is characterised in that：Also include upper head plate (2) and bottom plate (3), the annular
Housing (10) inner circumferential is distributed with some phase transition of vacuum heat dissipation channels (14), and the phase transition of vacuum heat dissipation channel (14) is from the ring
The upper surface (12) of shape housing (10) extends to lower surface (13), and phase transition of vacuum heat dissipation channel (14) two ends are by the upper end
Phase-change working substance is provided with plate (2), the bottom plate (3) sealing, the phase transition of vacuum heat dissipation channel (14), the phase transition of vacuum dissipates
The passage of heat (14) inwall is provided with porous liquid-adsorption layer (141), and porous liquid-adsorption layer (141) surface is provided with some imbibing holes.
2. phase-change heat ventilated machine shell according to claim 1, it is characterised in that：The phase transition of vacuum heat dissipation channel
(14) it is axially arranged.
3. phase-change heat ventilated machine shell according to claim 2, it is characterised in that：The phase transition of vacuum heat dissipation channel
(14) it is evenly distributed in the toroidal shell (10).
4. phase-change heat ventilated machine shell according to claim 1, it is characterised in that：The phase transition of vacuum heat dissipation channel
(14) cross section is circle, arc, rectangle or trapezoidal.
5. phase-change heat ventilated machine shell according to claim 4, it is characterised in that：The phase transition of vacuum heat dissipation channel
(14) two ports are provided with countersunk recesses (142), and it is recessed that the upper head plate (2) and the bottom plate (3) are arranged on the countersunk head
In groove (142), upper head plate (2) and bottom plate (3) include roof (22) and side wall (23), and the side wall (23) is sticked described heavy
On the cell wall of head groove (142).
6. phase-change heat ventilated machine shell according to claim 5, it is characterised in that：Countersunk recesses (142) groove
The axially inclined angle of wall is 5 ° -20 °.
7. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：It is described many
The thickness of hole liquid-adsorption layer (141) is 0.5-1.5mm, and the porosity of the imbibing hole is 50%-75%.
8. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：The phase
Become working medium into deionized water or acetone, the liquid groundwater increment of the phase-change working substance is always held for the phase transition of vacuum heat dissipation channel (14)
Long-pending 25% -75%.
9. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：It is described true
The sealing vacuum that Kongxiang becomes heat dissipation channel (14) is less than or equal to 100 handkerchiefs.
10. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：It is described to dissipate
Hot fin (11) lateral surface is provided with some radiating reinforcements (111).
11. phase-change heat ventilated machine shell according to claim 10, it is characterised in that：The radiating reinforcement
(111) cross section is V-arrangement, arc, zigzag, rectangle or trapezoidal.
12. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：It is described many
Hole liquid-adsorption layer (141) surface is provided with groove (143).
13. phase-change heat ventilated machine shell according to claim 12, it is characterised in that：The horizontal stroke of the groove (143)
Section is V-arrangement, arc, zigzag, rectangle or trapezoidal.
14. phase-change heat ventilated machine shell as claimed in any of claims 1 to 6, it is characterised in that：The ring
Shape housing (10), the radiating fin (11) and the phase transition of vacuum heat dissipation channel (14) are processed by copper material integrated extrusion molding
Shaping, the porous liquid-adsorption layer (141) is that copper powder is made in sintering in the phase transition of vacuum heat dissipation channel (14).
15. a kind of ventilated machine, including casing assembly, stator module (4), rotor assembly (5) and rotating shaft (6), the rotor set
Part (5) is arranged in the rotating shaft (6), and stator module (4) nesting is arranged on inside the casing assembly, the rotor set
Part (5) is sheathed on inside the stator module (4), wherein the stator module (4) includes stator core (41) and is set around
Coil windings (42) on the stator core (41), it is characterised in that：The casing assembly includes case body (1), upper end
(71) and bottom end cover (72) are covered, the case body (1) is air-cooled for the phase-change heat described in any one in claim 1 to 14
Motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433761.7U CN206481161U (en) | 2016-12-26 | 2016-12-26 | Phase-change heat ventilated machine shell and apply its ventilated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433761.7U CN206481161U (en) | 2016-12-26 | 2016-12-26 | Phase-change heat ventilated machine shell and apply its ventilated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481161U true CN206481161U (en) | 2017-09-08 |
Family
ID=59749551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433761.7U Withdrawn - After Issue CN206481161U (en) | 2016-12-26 | 2016-12-26 | Phase-change heat ventilated machine shell and apply its ventilated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206481161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533034A (en) * | 2016-12-26 | 2017-03-22 | 中山大洋电机股份有限公司 | Phase change heat dissipation air-cooled motor housing, manufacturing method thereof and air-cooled motor using same |
| CN115459549A (en) * | 2022-05-09 | 2022-12-09 | 浙江大学 | Electromagnetic pump |
-
2016
- 2016-12-26 CN CN201621433761.7U patent/CN206481161U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533034A (en) * | 2016-12-26 | 2017-03-22 | 中山大洋电机股份有限公司 | Phase change heat dissipation air-cooled motor housing, manufacturing method thereof and air-cooled motor using same |
| CN106533034B (en) * | 2016-12-26 | 2023-08-01 | 中山大洋电机股份有限公司 | Phase-change heat-dissipation air-cooled motor shell, manufacturing method thereof and air-cooled motor applying phase-change heat-dissipation air-cooled motor shell |
| CN115459549A (en) * | 2022-05-09 | 2022-12-09 | 浙江大学 | Electromagnetic pump |
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| AV01 | Patent right actively abandoned | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170908 Effective date of abandoning: 20230801 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170908 Effective date of abandoning: 20230801 |