CN206481163U - A kind of phase-change heat ventilated machine shell and ventilated machine - Google Patents
A kind of phase-change heat ventilated machine shell and ventilated machine Download PDFInfo
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- CN206481163U CN206481163U CN201621433745.8U CN201621433745U CN206481163U CN 206481163 U CN206481163 U CN 206481163U CN 201621433745 U CN201621433745 U CN 201621433745U CN 206481163 U CN206481163 U CN 206481163U
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- ventilated machine
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Abstract
The utility model discloses a kind of phase-change heat ventilated machine shell and ventilated machine, the phase-change heat ventilated machine shell, including toroidal shell are circumferentially protruding with some spaced radiating fins outside the toroidal shell, it is characterised in that：Also include upper head plate and bottom plate, some phase transition of vacuum heat dissipation channels are distributed with the toroidal shell inner circumferential, the upper surface of phase transition of vacuum heat dissipation channel from the toroidal shell extends to lower surface, the phase transition of vacuum heat dissipation channel two ends are sealed by the upper head plate, the bottom plate, and phase-change working substance is provided with the phase transition of vacuum heat dissipation channel.Phase-change heat ventilated machine shell mechanism described in the utility model is simple, and good heat dissipation effect is easy for installation, with low cost, is applicable to automobile permanent magnet synchronous motor repackings all on the market；The ventilated machine temperature control effect is high, stable.
Description
Technical field：
The utility model is related to a kind of phase-change heat ventilated machine shell and 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.The development of energy-conservation and new-energy automobile is that China reduces consumption of petroleum and reduces the important measure of CO2 emission
One of, governments at all levels of central and local governments develop highest attention to it, and various support cultivation policies have been put into effect successively, have been new energy vapour
Good policy environment has been built in the development of car.
But at present, still lack large-scale at present as the automobile motor and its control system of its drive system core
Industrialization verifies that the High Efficiency Thermal management key technology of part kernel component is still grasped in foreign vendor's hand, constrains China
The performance boost of product and extensive industrialization.Motor thermal management technology directly affects electric efficiency, reliability and service life.
Temperature rise is too high, easily accelerates motor insulation material aging, reduction of service life, promotes electric efficiency to decline, and under electric efficiency
Drop, will further result in caloric value increase, so as to raise temperature rise again.Therefore, temperature control works motor efficiency, stably
Property and reliability are most important.
The temperature control system of existing automobile motor relies primarily on water-cooling system or the forced air cooling.Wherein for forcing
Air cooling system, because motor major heat producing components are stator winding and stator core, and the heat transfer path both it is main
Carried out by the contact site of stator core and air-cooled casing, it is generally the case that by installation site, outlet method and material
The limitation of cost etc., above-mentioned contact site area only accounts for 1st/1st to two/3rd of air-cooled casing internal face area, remaining
Area then cannot be utilized effectively, so as to cause air-cooled casing part temperature too high, the excessive phenomenon of temperature gradient is air-cooled
The radiating fin group at casing two ends can not obtain good utilization, influence the temperature-control performance of motor complete machine, and then influence new
The performance of energy automobile.
Utility model content：
The purpose of this utility model is to provide a kind of phase-change heat ventilated machine shell and ventilated machine, can solve air-cooled
The radiating machine casing local temperature of motor is too high, 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.
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.
The upper surface of toroidal shell described above is provided with first annular groove, and the two neighboring phase transition of vacuum radiating is logical
The upper port in road is connected with first annular groove, and the first annular groove is sealed by the upper head plate.
The lower surface of toroidal shell described above is provided with the second annular groove, and the two neighboring phase transition of vacuum radiating is logical
The lower port in road is connected with the second annular groove, and second annular groove is sealed by the bottom plate.
First annular recess described above and second annular recess are countersunk head formula groove, the groove of the countersunk head formula groove
The axially inclined angle of wall is 5 ° -20 °.
The inwall of phase transition of vacuum heat dissipation channel described above is provided with very low power.
The cross section of very low power described above is V-arrangement, arc, zigzag, rectangle or trapezoidal.
The groove width and flute length ratio of very low power described above are 1：200—1：20, groove width and the groove height of the very low power compare
Example is 1：4—1：2, groove width and the spacing ratio of the very low power 141 are 1：2—1：1.
The groove width of very low power described above be 0.5-1mm, a height of 0.5-2mm of groove, the spacing be 0.5-
1mm。
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.
Toroidal shell described above, the radiating fin, the phase transition of vacuum heat dissipation channel are with the very low power by aluminium
Integrated extrusion molding machine-shaping.
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 toroidal shell inner circumferential is distributed with some phase transition of vacuum heat dissipation channels, phase transition of vacuum heat dissipation channel and is provided with
Phase-change working substance, by the phase transition property of liquid working substance under vacuum conditions, assigns phase transition of vacuum heat dissipation channel and extremely efficiently passes
Heat energy power, its thermal conductivity factor is up to ten thousand times of known metal, can realize the Quick Casting of motor internal heat distribution；
2) the phase transition of vacuum heat dissipation channel extends to lower surface from the upper surface of toroidal shell, will can collect in the prior art
In propagate rapidly in the amount of heat of local location, whole toroidal shell diffused to, so as to eliminate local temperature problems of excessive heat, greatly
Amplitude reduces the temperature gradient of toroidal shell, and then promotes more heats to conduct to radiating fin out of toroidal shell to be dissipated
Heat；
3) the phase transition of vacuum heat dissipation channel is axially arranged, and phase transition of vacuum heat dissipation channel is evenly distributed in toroidal shell,
Easy to process, radiating is uniform；
4) upper port of the two neighboring phase transition of vacuum heat dissipation channel is connected with first annular groove, first annular groove
Sealed by the upper head plate；The lower port of the two neighboring phase transition of vacuum heat dissipation channel is connected with the second annular groove, and second
Annular groove is sealed by the bottom plate, and interconnected phase transition of vacuum heat dissipation channel is easy to pouring into for phase-change working substance；
5) inwall of the phase transition of vacuum heat dissipation channel is provided with very low power, and very low power is mutually changed into gas beneficial to liquid working substance is heated
Body, and then improve heat-transfer effect；
6) the radiating fin lateral surface is provided with some radiating reinforcements, and reinforcement increases the contact surface of heat loss through convection
Product, radiating effect is more preferable；
7) toroidal shell, the radiating fin, the phase transition of vacuum heat dissipation channel and the very low power are by aluminium one
Body extrusion forming machine-shaping, eliminates using and assembling for phase transformation heat pipe, further reduces in heat sinking pathway
Thermal contact resistance；
8) 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 Fig. 1 A-A sectional views；
Fig. 3 is enlarged drawing at Fig. 2 B；
Fig. 4 is enlarged drawing at Fig. 2 D；
Fig. 5 is the explosive view for the phase-change heat ventilated machine shell that the utility model embodiment one is provided；
Fig. 6 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. 7 is enlarged drawing at Fig. 6 C；
Fig. 8 is the structural representation of the one of which shape of the phase transition of vacuum heat dissipation channel；
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 7, the present embodiment provides a kind of phase-change heat ventilated machine shell, including toroidal shell
1, some spaced radiating fins 11 are circumferentially protruding with outside the toroidal shell 1, it is characterised in that：Also include upper end
Some phase transition of vacuum heat dissipation channels 14, phase transition of vacuum heat dissipation channel are distributed with plate 2 and bottom plate 3, the inner circumferential of toroidal shell 1
14 extend to lower surface 13 from the upper surface 12 of toroidal shell 1, and the two ends of phase transition of vacuum heat dissipation channel 14 are by upper head plate 2, bottom plate 3
Phase-change working substance is provided with sealing, phase transition of vacuum heat dissipation channel 14.
Phase-change heat ventilated machine shell described in the present embodiment, passes through the interconvertibility of liquid working substance under vacuum conditions
Matter, assigns the extremely efficient heat-transfer capability of phase transition of vacuum heat dissipation channel；The phase transition of vacuum heat dissipation channel 14 is from toroidal shell 1
Upper surface 12 extends to lower surface 13, promotes heat from the localized hyperthermia position of toroidal shell 1 to the rapid of two ends low position
Diffusion, plays a part of uniform heat distribution.
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 toroidal shell 1, and radiating is uniform.
The upper surface 12 of above-mentioned toroidal shell 1 is provided with first annular groove 15, the two neighboring phase transition of vacuum radiating
The upper port 142 of passage 14 is connected with first annular groove 15, and first annular groove 15 is sealed by upper head plate 2.Phase transition of vacuum dissipates
The upper port 142 of the passage of heat 14, which is interconnected, is easy to pouring into for phase-change working substance.
The lower surface 13 of above-mentioned toroidal shell 1 is provided with the second annular groove 16, the two neighboring phase transition of vacuum radiating
The lower port 143 of passage 14 is connected with the second annular groove 16, and the second annular groove 16 is sealed by bottom plate 3.Interconnected
Phase transition of vacuum heat dissipation channel 14 is more conducive to the flowing of phase-change working substance.
The annular recess 16 of first annular recess 15 and second described above is countersunk head formula groove, the cell wall of countersunk head formula groove
Axially inclined angle is 5 ° -20 °.
Upper head plate 2 described above includes roof 22 and side wall 23, and roof 22 vacuumizes pipe provided with pipe 21 is vacuumized
21 tops are sealed, and the side wall 23 is sticked on the cell wall of the countersunk recesses.
The inwall of phase transition of vacuum heat dissipation channel 14 described above be provided with very low power 141, very low power 141 be beneficial to liquid working substance by
Heat is mutually changed into gas, and then improves heat-transfer effect.
Groove width D1 and flute length the L ratio of very low power 141 described above are 1：200—1：20, the groove width of the very low power 141
D1 and the high H ratios of groove are 1：4—1：2, the groove width D1 and the ratio of space D 2 of the very low power 141 are 1：2—1：1.
The groove width D1 of very low power 141 described above is 0.5-1mm, and the high H of groove is 0.5-2mm, the spacing
D2 is 0.5-1mm.
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 lateral surface of radiating fin 11 described above increases heat loss through convection provided with some radiating reinforcements 111, reinforcement 111
Contact area, radiating effect is more preferable.
Toroidal shell 1 described above, the radiating fin 11, the phase transition of vacuum heat dissipation channel 14 and the very low power
141 by aluminium integrated extrusion molding machine-shaping.Using and assembling for phase transformation heat pipe can be eliminated by being integrally formed, and further be subtracted
Thermal contact resistance in small heat sinking pathway.
The lateral surface of radiating fin 11 described above also can be by blasting treatment come augmentation of heat transfer effect.The toroidal shell 1
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.
In the present embodiment, 24 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 rectangle, and the cross section of very low power 141 is V-arrangement, and the cross section of the radiating reinforcement 111 is V-arrangement.
Groove width D1 and flute length the L ratio of very low power 141 described above are 1：200, the groove width D1 of the very low power 141
For 1mm, the high H of groove is 1mm, and the space D 2 is 1mm.
The phase-change working substance of perfusion is deionized water, the groundwater increment of deionized water in phase transition of vacuum heat dissipation channel 14 described above
80ml altogether, the sealing vacuum degree control of phase transition of vacuum heat dissipation channel 14 is between 10-20 handkerchiefs.
The axially inclined angle of the cell wall of first annular recess 15 described above and second annular recess 16 is 5 °.
As shown in Figure 8, Figure 9, the cross section of phase transition of vacuum heat dissipation channel 14 described above is alternatively as circular, arc or ladder
Shape etc.；The cross section of the very low power 141 is alternatively rectangle, arc, zigzag or trapezoidal；The horizontal stroke of the radiating reinforcement 111
Section is alternatively 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 stator module 4, and the stator module 4 includes stator core 41 and winding
Coil windings 42 on the stator core 41, it is characterised in that：The casing assembly includes case body 10, upper end cover 71
With bottom end cover 72, the case body 10 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 can be rapidly transferred to radiating fin 11 and be radiated, and improve the temperature-control performance of ventilated machine, improve air-cooled
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 (17)
1. circumferentially protruded outside a kind of phase-change heat ventilated machine shell, including toroidal shell (1), the toroidal shell (1)
There are some spaced radiating fins (11), it is characterised in that：Also include upper head plate (2) and bottom plate (3), the circular casing
Body (1) 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 annular
The upper surface (12) of housing (1) extends to lower surface (13), and phase transition of vacuum heat dissipation channel (14) two ends are by the upper head plate
(2) phase-change working substance is provided with, bottom plate (3) sealing, the phase transition of vacuum heat dissipation channel (14).
2. a kind of phase-change heat ventilated machine shell according to claim 1, it is characterised in that：The phase transition of vacuum radiating
Passage (14) is axially arranged.
3. a kind of phase-change heat ventilated machine shell according to claim 2, it is characterised in that：The phase transition of vacuum radiating
Passage (14) is evenly distributed in the toroidal shell (1).
4. a kind of phase-change heat ventilated machine shell according to claim 3, it is characterised in that：The phase transition of vacuum radiating
The cross section of passage (14) is circle, arc, rectangle or trapezoidal.
5. a kind of phase-change heat ventilated machine shell according to claim 4, it is characterised in that：The toroidal shell (1)
Upper surface (12) be provided with first annular groove (15), the upper port of the two neighboring phase transition of vacuum heat dissipation channel (14)
(142) connected with first annular groove (15), the first annular groove (15) is sealed by the upper head plate (2).
6. a kind of phase-change heat ventilated machine shell according to claim 5, it is characterised in that：The toroidal shell (1)
Lower surface (13) be provided with the second annular groove (16), the lower port of the two neighboring phase transition of vacuum heat dissipation channel (14)
(143) connected with the second annular groove (16), second annular groove (16) is sealed by the bottom plate (3).
7. a kind of phase-change heat ventilated machine shell according to claim 6, it is characterised in that：First annular recess
(15) and second annular recess (16) is countersunk head formula groove, the axially inclined angle of the cell wall of the countersunk head formula groove for 5 °-
20°。
8. a kind of phase-change heat ventilated machine shell as claimed in any of claims 1 to 7, it is characterised in that：Institute
The inwall for stating phase transition of vacuum heat dissipation channel (14) is provided with very low power (141).
9. a kind of phase-change heat ventilated machine shell according to claim 8, it is characterised in that：The very low power (141)
Cross section be V-arrangement, arc, zigzag, rectangle or trapezoidal.
10. a kind of phase-change heat ventilated machine shell according to claim 9, it is characterised in that：The very low power (141)
Groove width and flute length ratio be 1:200—1:20, the groove width and groove of the very low power (141) are 1 at high proportion:4—1:2, it is described
The groove width of very low power (141) is 1 with spacing ratio:2—1:1.
11. a kind of phase-change heat ventilated machine shell according to claim 10, it is characterised in that：The very low power
(141) the groove width is 0.5-1mm, and a height of 0.5-2mm of groove, the spacing is 0.5-1mm.
12. a kind of phase-change heat ventilated machine shell as claimed in any of claims 1 to 7, it is characterised in that：Institute
Phase-change working substance is stated for deionized water or acetone, the liquid groundwater increment of the phase-change working substance is the phase transition of vacuum heat dissipation channel (14)
25%-the 75% of total measurement (volume).
13. a kind of phase-change heat ventilated machine shell as claimed in any of claims 1 to 7, it is characterised in that：Institute
The sealing vacuum for stating phase transition of vacuum heat dissipation channel (14) is less than or equal to 100 handkerchiefs.
14. a kind of phase-change heat ventilated machine shell as claimed in any of claims 1 to 7, it is characterised in that：Institute
Radiating fin (11) lateral surface is stated provided with some radiating reinforcements (111).
15. a kind of phase-change heat ventilated machine shell according to claim 14, it is characterised in that：The radiating reinforcement
(111) cross section is V-arrangement, arc, zigzag, rectangle or trapezoidal.
16. a kind of phase-change heat ventilated machine shell according to claim 8, it is characterised in that：The toroidal shell
(1), the radiating fin (11), the phase transition of vacuum heat dissipation channel (14) are squeezed with the very low power (141) by aluminium is integrated
Molded machine-shaping.
17. 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 (10), upper end
(71) and bottom end cover (72) are covered, the case body (10) is the phase-change heat wind described in any one in claim 1 to 16
Cool electric machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433745.8U CN206481163U (en) | 2016-12-26 | 2016-12-26 | A kind of phase-change heat ventilated machine shell and ventilated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433745.8U CN206481163U (en) | 2016-12-26 | 2016-12-26 | A kind of phase-change heat ventilated machine shell and ventilated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481163U true CN206481163U (en) | 2017-09-08 |
Family
ID=59750921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433745.8U Active CN206481163U (en) | 2016-12-26 | 2016-12-26 | A kind of phase-change heat ventilated machine shell and ventilated machine |
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| Country | Link |
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| CN (1) | CN206481163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533038A (en) * | 2016-12-26 | 2017-03-22 | 中山大洋电机股份有限公司 | Phase change heat dissipation air cooling motor shell, manufacturing method thereof and air cooling motor |
-
2016
- 2016-12-26 CN CN201621433745.8U patent/CN206481163U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533038A (en) * | 2016-12-26 | 2017-03-22 | 中山大洋电机股份有限公司 | Phase change heat dissipation air cooling motor shell, manufacturing method thereof and air cooling motor |
| CN106533038B (en) * | 2016-12-26 | 2024-01-05 | 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 |
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