CN107994709A - Machine shaft and evaporation cooling shaft type oil-cooled motor - Google Patents
Machine shaft and evaporation cooling shaft type oil-cooled motor Download PDFInfo
- Publication number
- CN107994709A CN107994709A CN201810045527.4A CN201810045527A CN107994709A CN 107994709 A CN107994709 A CN 107994709A CN 201810045527 A CN201810045527 A CN 201810045527A CN 107994709 A CN107994709 A CN 107994709A
- Authority
- CN
- China
- Prior art keywords
- oil
- shaft
- bearing
- machine shaft
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 238000001704 evaporation Methods 0.000 title claims abstract description 10
- 230000008020 evaporation Effects 0.000 title claims abstract description 10
- 239000002826 coolant Substances 0.000 claims abstract description 18
- 238000009833 condensation Methods 0.000 claims abstract description 15
- 230000005494 condensation Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 61
- 239000000243 solution Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of machine shaft and evaporation cooling shaft type oil-cooled motor, machine shaft, including shaft body, the shaft body interior to be equipped with cavity, and the shaft body is divided into evaporator section and condensation segment from middle part to end；Evaporation cooling shaft type oil-cooled motor, including casing, drive end bearing bracket, rear end cap, stator, rotor and shaft；Drive end bearing bracket is equipped with fore bearing room, rear end cap is equipped with rear bearing chamber, drive end bearing bracket is equipped with the first oil circuit for being directed toward fore bearing room, rear end cap is equipped with the second oil circuit of bearing chamber after direction, casing roof is equipped with the pouring orifice connected with seal cavity, coolant flow channel is formed between casing inner wall and stator, coolant flow channel one end is connected with pouring orifice, the other end respectively with the first oil circuit and the second oil communication.Its advantages of is that the cooling oil of the first oil circuit and the second oil circuit cools down machine shaft both ends, and countershaft is lubricated, and reduces the frictional force in shaft rotation process.
Description
Technical field
The present invention relates to motor cooling technology field, especially a kind of machine shaft and evaporation cooling shaft type oil-cooled motor.
Background technology
Motor can generally be produced greatly by rotor, stator, shaft, radiator fan and casing composition, rotor in rotary course
The heat of amount, the heat of generation are mainly distributed by radiator fan and shell, and this radiating mode, which radiates the appearance of motor, imitates
Fruit is relatively good, but for the high heat producing component of motor internal, such as rotor, shaft and bearing, the heat that these components produce is very
Difficulty distributes；Meanwhile in order to increase the lubricant effect between shaft and bearing, it is necessary to which the bearing of irregular countershaft adds
Lubricating oil, is difficult to add since bearing is installed in casing.
The content of the invention
Present invention aims to solve the deficiencies of the prior art, and provides a kind of a kind of 600 shaft type oil-cooled motor of machine shaft.
A kind of technical solution of the present invention：
A kind of machine shaft, including shaft body, the shaft body interior are equipped with cavity, and the shaft body is by middle part
Evaporator section and condensation segment are divided into end.
A kind of preferred solution is equipped with the cavity so that the liquid-sucking core of empty intracavity liquid reflux.
A kind of preferred solution is that the shaft body further includes adiabatic section, the adiabatic section be located at evaporator section and condensation segment it
Between.
Another technical solution of the present invention：
A kind of machine shaft shaft type oil-cooled motor, including casing, drive end bearing bracket, rear end cap, stator, rotor and machine shaft；
One end of casing is tightly connected with drive end bearing bracket, and the other end is tightly connected with rear end cap, is formed between casing, drive end bearing bracket and rear end cap
Seal cavity, the center of drive end bearing bracket are equipped with fore bearing room, and the center of rear end cap is equipped with rear bearing chamber, fore bearing room and rear bearing chamber
The bearing of support machine shaft is inside respectively equipped with, drive end bearing bracket is equipped with the first oil circuit that fore bearing room is directed toward by edge, and rear end cap is set
There is the second oil circuit of bearing chamber after being directed toward by edge, casing roof is equipped with the pouring orifice connected with seal cavity, and casing inner wall is set
Fluted, and coolant flow channel is formed between groove and stator, coolant flow channel one end is connected with pouring orifice, and the other end is respectively with first
Oil circuit and the second oil communication；The bottom of casing inner wall is equipped with oil trap, and drive end bearing bracket or rear end cap are equipped with and oil sump
Outage；Exterior section cooling agent flows to fore bearing room and to one end cooling of machine shaft from the first oil circuit, partly from second
Bearing chamber and the other end of machine shaft is cooled down after oil circuit flow direction..
A kind of preferred solution is that coolant flow channel includes twice runner, and each runner is from the top of casing inner wall the bottom of to
The detour groove of portion's extension a, wherein runner and the first oil communication, another runner and the second oil communication.
A kind of preferred solution is that casing inner wall is equipped with the first backflash from the bottom of casing inner wall to top that extend from and the
Two backflashes, one end of the first backflash are connected with a wherein runner, the other end and the first oil communication, the second backflash
One end is connected with another runner, the other end and the second oil communication.
A kind of preferred solution is that the inner wall of drive end bearing bracket or rear end cap is extended with oil scraper ring, and oil scraper ring is placed on that bearing is outer and gear oil
The width of ring is not less than and bearing width.
Summary technical solution, beneficial effects of the present invention：When motor operates, rotor heat is transferred to machine shaft
Evaporator section, the heat of evaporator section is conducted to condensation segment in machine shaft, and cooling oil is out of pouring orifice injection coolant flow channel, cooling stream
Cooling oil in road respectively enters the first oil circuit and the second oil circuit, and the cooling oil of the first oil circuit and the second oil circuit carries out condensation segment
Cooling, and machine shaft and bearing are lubricated, reduce the frictional force in machine shaft rotation process；At the same time in condensation segment
Coolant is back in evaporator section, is continued to absorb the heat of evaporator section, can be improved the service life of the present invention
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate attached drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram of machine shaft in the present invention；
Fig. 2 is the stereogram of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is the exploded view of the present invention；
Fig. 5 is the sectional view of rear end cap in the present invention.
Embodiment
First embodiment, as shown in Figure 1, arrow represents the flow direction of hot gas, a kind of machine shaft 600, including shaft in Fig. 1
Body, shaft body interior are equipped with cavity, and shaft body is divided into evaporator section 602 and condensation segment 604 from middle part to end.
Preferably, it is equipped with cavity so that the liquid-sucking core 605 of empty intracavity liquid reflux, liquid-sucking core 605 enable to cavity
Interior liquid quick backflow, adds the heat conversion between evaporator section 602 and condensation segment 604.
Preferably, shaft body further includes adiabatic section 603, and the adiabatic section 603 is located at evaporator section 602 and condensation segment 604
Between.
Machine shaft 600 is exactly to utilize sweat cooling so that 600 both ends temperature difference of machine shaft is very big, makes heat quick
Conduction.It is to be pumped into negative pressure state inside machine shaft 600, is filled with appropriate liquid, this boiling point of liquid is low, readily volatilized.
Shaft body interior, which is equipped with cavity, liquid-sucking core 605, it is made of capillary-porous material.600 interlude of machine shaft is evaporation
End, both ends are condensation end, and when 600 interlude of machine shaft is heated, the liquid in capillary evaporates rapidly, and steam is small
Condensation segment 604 is flowed under pressure differential, and discharges heat, regelation leans on capillary force along porous material again into liquid, liquid
Effect flow back to evaporator section 602, so circulation is more than, and heat reaches both ends by 600 interlude of machine shaft.This circulation is fast
What speed carried out, heat, which can be conducted continuously, to be come.
Second embodiment, as shown in Figures 1 to 5, a kind of 600 shaft type oil-cooled motor of machine shaft, including casing 100, it is preceding
End cap 200, rear end cap 300, stator 400, rotor 500 and machine shaft 600；One end of casing 100 connects with the sealing of drive end bearing bracket 200
Connect, the other end is tightly connected with rear end cap 300, and seal cavity is formed between casing 100, drive end bearing bracket 200 and rear end cap 300, preceding
The center of end cap 200 is equipped with fore bearing room 201, and the center of rear end cap 300 is equipped with rear bearing chamber 301, fore bearing room 201 and rear axle
The bearing 601 that support machine shaft 600 is respectively equipped with room 301 is held, drive end bearing bracket 200 is equipped with is directed toward fore bearing room 201 by edge
The first oil circuit, rear end cap 300 be equipped be directed toward by edge after bearing chamber 301 the second oil circuit 302,100 roof of casing be equipped with
The pouring orifice 101 of seal cavity connection, 100 inner wall of casing is equipped with groove, and forms coolant flow channel between groove and stator 400
103,103 one end of coolant flow channel is connected with pouring orifice 101, and the other end is connected with the first oil circuit and the second oil circuit 302 respectively；First
Oil circuit and 302 structure of the second oil circuit are identical.The bottom of 100 inner wall of casing is equipped with oil trap 104, drive end bearing bracket 200 or rear end cap 300
Equipped with the outage connected with oil trap 104；Exterior section cooling agent flows to fore bearing room 201 from the first oil circuit and motor is turned
One end cooling of axis, partly cools down from bearing chamber 301 after the second oil circuit 302 flow direction and the other end to machine shaft.
As shown in Figures 1 to 5, when motor operates, the evaporator section 602 of 500 heat transfer of rotor to machine shaft 600, steams
The heat transfer of section 602 is sent out to condensation segment 604, cooling oil is injected in coolant flow channel 103 from pouring orifice 101, in coolant flow channel 103
Cooling oil respectively enter the first oil circuit and the second oil circuit 302, the cooling oil of the first oil circuit and the second oil circuit 302 enters fore bearing
Room 201 and rear bearing chamber 301, the condensation segment 604 of cooling oil in fore bearing room 201 and rear bearing chamber 301 to machine shaft 600
Cooled down, and machine shaft 600 and bearing 601 are lubricated, reduce the frictional force in 600 rotation process of machine shaft.
Specifically, as shown in Figures 1 to 5, coolant flow channel 103 includes twice runner, and each runner is by casing 100
The detour groove that the top of inner wall extends to bottom a, wherein runner and the first oil communication, another runner and the second oil
Road 302 connects, and detour groove extends the stroke that cooling oil flows through, and can preferably take the heat produced in motor out of.Casing
100 inner walls are equipped with the first backflash 105 and the second backflash extended from the bottom of 100 inner wall of casing to top, the first reflux
One end of groove 105 is connected with a wherein runner, the other end and the first oil communication, one end of the second backflash and another shunting
Road connects, and the other end is connected with the second oil circuit 302.First backflash 105 is identical with the second reflux slot structure.Cooling oil is from oiling
Mouthfuls 101 enter, a part cooling oil flow direction wherein runner, and the cooling oil in the runner flows to the through the first backflash 105
One oil circuit, one end of machine shaft 600 is cooled down the cooling oil in the first oil circuit and lubrication；Part cooling oil flows to another shunting
Road, cooling oil in the runner flow to the second oil circuit 302 through the second backflash, and the cooling oil in the second oil circuit 302 is to motor
600 other end of shaft cools down and lubrication；Cooling oil flows to oil trap 104, last cooling oil after being cooled down to 600 both ends of machine shaft
Flowed out from outage.
Preferably, as shown in figure 3, the inner wall of drive end bearing bracket 200 or rear end cap 300 is extended with oil scraper ring 303, oil scraper ring 303
It is placed on that bearing 601 is outer and the width of oil scraper ring 303 is not less than and 601 width of bearing.
Above is the embodiment of the present invention, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection domain.
Claims (7)
1. a kind of machine shaft, it is characterised in that including shaft body, the shaft body interior is equipped with cavity, the shaft
Body is divided into evaporator section and condensation segment from middle part to end.
2. machine shaft according to claim 1, it is characterised in that be equipped with the cavity so that empty intracavity liquid reflux
Liquid-sucking core.
3. machine shaft according to claim 2, it is characterised in that the shaft body further includes adiabatic section, described exhausted
Hot arc is between evaporator section and condensation segment.
4. one kind evaporation cooling shaft type oil-cooled motor, including casing, drive end bearing bracket, rear end cap, stator and rotor；The one of the casing
End is tightly connected with drive end bearing bracket, and the other end is tightly connected with rear end cap, and sealing is formed between the casing, drive end bearing bracket and rear end cap
Cavity, it is characterised in that the machine shaft described in claim 3 is further included, the center of the drive end bearing bracket is equipped with fore bearing room, after
The center of end cap is equipped with rear bearing chamber, and the bearing of support machine shaft, institute are respectively equipped with the fore bearing room and rear bearing room
State drive end bearing bracket and be equipped with the first oil circuit that fore bearing room is directed toward by edge；The rear end cap is equipped be directed toward by edge after bearing chamber the
Two oil circuits, the casing roof are equipped with the pouring orifice connected with the seal cavity, and the casing inner wall is equipped with groove, and described
Coolant flow channel is formed between groove and stator, described coolant flow channel one end is connected with pouring orifice, the other end respectively with the first oil circuit
With the second oil communication；The bottom of the casing inner wall is equipped with oil trap, and the drive end bearing bracket or rear end cap are equipped with to be connected with oil trap
Logical outage；Exterior section cooling agent flows to fore bearing room from the first oil circuit and one end of machine shaft is cooled down, partly from
Bearing chamber and the other end of machine shaft is cooled down after second oil circuit flow direction.
5. evaporation cooling shaft type oil-cooled motor according to claim 4, it is characterised in that the coolant flow channel includes twice
Runner, each runner are the detour groove extended from the top of casing inner wall to bottom, wherein a runner and the first oil
Road connects, another runner and the second oil communication.
6. evaporation cooling shaft type oil-cooled motor according to claim 4 or 5, it is characterised in that the casing inner wall is equipped with
The first backflash and the second backflash extended from the bottom of casing inner wall to top, one end of first backflash with wherein
One runner connects, and the other end and the first oil communication, one end of second backflash are connected with another runner, the other end
With the second oil communication.
7. evaporation cooling shaft type oil-cooled motor according to claim 4, it is characterised in that the drive end bearing bracket or rear end cap
Inner wall is extended with oil scraper ring, and the oil scraper ring is placed on bearing outside and the width of oil scraper ring is not less than and bearing width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045527.4A CN107994709B (en) | 2018-01-17 | 2018-01-17 | Motor rotating shaft and evaporative cooling shaft type oil-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045527.4A CN107994709B (en) | 2018-01-17 | 2018-01-17 | Motor rotating shaft and evaporative cooling shaft type oil-cooled motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107994709A true CN107994709A (en) | 2018-05-04 |
| CN107994709B CN107994709B (en) | 2024-06-11 |
Family
ID=62040174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045527.4A Active CN107994709B (en) | 2018-01-17 | 2018-01-17 | Motor rotating shaft and evaporative cooling shaft type oil-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107994709B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416464A (en) * | 2020-03-16 | 2020-07-14 | 清华大学 | Oil-water double circulation cooling motor casing |
| CN115833453A (en) * | 2023-02-02 | 2023-03-21 | 福建巨洲电机有限公司 | Heat dissipation formula generator device |
| WO2023124350A1 (en) * | 2021-12-31 | 2023-07-06 | 安徽威灵汽车部件有限公司 | Motor housing, motor, and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416464A (en) * | 2020-03-16 | 2020-07-14 | 清华大学 | Oil-water double circulation cooling motor casing |
| WO2023124350A1 (en) * | 2021-12-31 | 2023-07-06 | 安徽威灵汽车部件有限公司 | Motor housing, motor, and vehicle |
| CN115833453A (en) * | 2023-02-02 | 2023-03-21 | 福建巨洲电机有限公司 | Heat dissipation formula generator device |
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| Publication number | Publication date |
|---|---|
| CN107994709B (en) | 2024-06-11 |
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