CN118739738B - Oil pressure device and control method for oil-immersed motor - Google Patents
Oil pressure device and control method for oil-immersed motor Download PDFInfo
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- CN118739738B CN118739738B CN202411235642.XA CN202411235642A CN118739738B CN 118739738 B CN118739738 B CN 118739738B CN 202411235642 A CN202411235642 A CN 202411235642A CN 118739738 B CN118739738 B CN 118739738B
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- hydraulic oil
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 126
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 238000007654 immersion Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
本发明涉及电机技术领域，公开了一种浸油式电机的油压装置及控制方法，其结构包括浸油式电机、液压器、油箱、进油端、分流机构、导液件，本发明通过在浸油式电机的油箱内增设有分流机构，通过分流机构中的伸缩缸带动摆动块进行转动，通过摆动块带动转轴旋转从而驱动挡板在分流机构内移动，能将分流机构的内部通道分隔成两个腔室，能依据需要进行选择液压油的流动腔室，后将分流机构的连接端与小分流管进行连通，液压油会从连接端流向小分流管，并从小分流管排进浸液式电机内，借助管道系统中同心变径，管道直径变小，流速增加的原理，使液压油的流速加快，增加液压力，从而达到液压油启动效果好的优点。
The present invention relates to the technical field of motors, and discloses an oil pressure device and a control method for an oil-immersed motor. The structure of the oil-immersed motor comprises an oil-immersed motor, a hydraulic device, an oil tank, an oil inlet end, a flow diversion mechanism, and a liquid guide. The present invention adds a flow diversion mechanism in the oil tank of the oil-immersed motor, drives a swing block to rotate through a telescopic cylinder in the flow diversion mechanism, drives a rotating shaft to rotate through the swing block, and drives a baffle to move in the flow diversion mechanism, so that an internal channel of the flow diversion mechanism can be divided into two chambers, and a flow chamber for hydraulic oil can be selected according to needs, and then the connecting end of the flow diversion mechanism is connected with a small flow diversion pipe, the hydraulic oil will flow from the connecting end to the small flow diversion pipe, and be discharged into the liquid-immersed motor from the small flow diversion pipe, and with the help of the principle of concentric diameter reduction, smaller pipe diameter, and increased flow rate in the pipeline system, the flow rate of the hydraulic oil is accelerated, the hydraulic pressure is increased, and the advantage of a good hydraulic oil starting effect is achieved.
Description
Technical Field
The invention belongs to the field of motors, and particularly relates to an oil pressure device of an oil immersed motor and a control method.
Background
The oil immersed motor is a motor which adopts lubricating oil to soak the motor insulation part and the heating part in oil so as to achieve the purposes of cooling and isolation, and has the advantages of simple structure, long service life and high stability, so that the oil immersed motor is widely applied, the working principle of the oil immersed motor actually uses the heat dissipation capacity of the oil, and the purposes of cooling and isolation of the motor are achieved by soaking the motor insulation part and the heating part in the oil, but the prior art has the following defects:
when the existing oil immersed motor cools the inside of the motor through hydraulic oil, the flow velocity of the entered hydraulic oil cannot be controlled, so that the flow velocity of the hydraulic oil is the same when the hydraulic oil flows in the inside of the motor, the rotor and the like in the inside of the motor cannot be cooled for a long time uniformly, and the cooling effect of the oil immersed motor is reduced;
The application provides an oil pressure device of an oil immersed motor and a control method thereof, which improve the defects.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing an oil pressure device of an oil immersed motor and a control method thereof, wherein the oil pressure device has the function of controlling the flow rate of hydraulic oil entering the motor.
In order to solve the technical problems, the invention adopts the following technical scheme:
The oil pressure device of the oil immersed motor structurally comprises the oil immersed motor, a hydraulic device and an oil tank, wherein one side of the oil immersed motor is connected with the hydraulic device, and the other side of the hydraulic device is connected with the oil tank.
In a specific implementation mode, the oil tank comprises an oil inlet end, a partition board, a placing cavity and a flow dividing mechanism, wherein the oil inlet end capable of filling hydraulic oil in the oil tank is arranged on the oil tank, the partition board is arranged in the oil tank, the partition board can divide the inside of the oil tank to form the placing cavity on one side, and the flow dividing mechanism is arranged in the placing cavity.
In a specific implementation manner, the shunt mechanism comprises a connecting end, a shunt end, a small shunt tube, a large shunt tube and a control mechanism, wherein the connecting end is arranged on one side of the shunt mechanism, two shunt ends are arranged on the other side of the shunt mechanism, the small shunt tube and the large shunt tube are respectively connected to the two shunt ends, and the control mechanism is arranged at the top of the shunt mechanism.
In a specific embodiment, the other ends of the large shunt and the small shunt are connected to a hydraulic device, and the small shunt has a smaller diameter than the large shunt and is concentric with the shunt end.
In a specific implementation manner, the control mechanism comprises a telescopic cylinder, a swinging block, a rotating shaft and a baffle plate, wherein the telescopic cylinder is connected with the flow dividing mechanism, a piston rod of the telescopic cylinder is connected with the swinging block, the swinging block is connected with the rotating shaft through a rotating bearing, the rotating shaft is positioned inside the flow dividing mechanism and is in rotating fit with the flow dividing mechanism, and the baffle plate is arranged on the side wall of the rotating shaft.
In a specific embodiment, the baffle is capable of rotating within the diverter mechanism with rotation of the spindle, thereby dividing the internal passageway of the diverter mechanism into two chambers.
In a specific implementation manner, the oil immersion type motor comprises a main shaft and liquid guide pieces, wherein a plurality of liquid guide pieces are arranged on the main shaft in the oil immersion type motor in an array mode, and a plurality of liquid guide pieces are arranged at intervals.
In a specific implementation manner, the liquid guide piece comprises guide plates and lantern rings, a plurality of guide plates are arranged on the outer side of the liquid guide piece in an array mode, and the lantern rings are arranged on a plurality of guide plates.
In a specific implementation mode, the oil immersion type motor further comprises a shell, a bottom oil box, inclined chamfers and gathering plates, the bottom of the shell is provided with the bottom oil box through bolts, the inclined chamfers are arranged at the connecting positions of the shell and the bottom oil box, hydraulic oil can conveniently flow into the bottom oil box to be collected through the inclined chamfers, and a plurality of gathering plates are arranged on the inner wall of the shell.
According to the technical scheme, the oil pressure device and the control method of the oil immersed motor have the following beneficial effects:
(1) According to the invention, the oil tank of the immersed motor is additionally provided with the flow dividing mechanism, the telescopic cylinder in the flow dividing mechanism drives the swinging block to rotate, and the swinging block drives the rotating shaft to rotate so as to drive the baffle plate to move in the flow dividing mechanism, so that the internal channel of the flow dividing mechanism can be divided into two chambers, and the flow chamber of hydraulic oil can be selected according to the requirement.
(2) According to the invention, the connecting end of the flow dividing mechanism is communicated with the small flow dividing pipe, hydraulic oil flows to the small flow dividing pipe from the connecting end and is discharged into the oil immersed motor from the small flow dividing pipe, and by means of the principles of concentric diameter changing, pipe diameter reducing and flow velocity increasing in a pipe system, the flow velocity of the hydraulic oil is accelerated, and the hydraulic pressure is increased, so that the advantage of good hydraulic oil starting effect is achieved.
(3) According to the invention, the liquid guide piece is additionally arranged on the rotor main shaft of the oil immersed motor, hydraulic oil can flow into the motor main shaft to cool the motor under the action of gravity, and the hydraulic oil can be dispersed and guided under the action of the guide plates and the lantern rings, so that the flow speed of the hydraulic oil on the main shaft is slowed down and the residence time is increased, and the cooling effect on the motor is improved.
(4) According to the invention, the bottom oil box is arranged at the bottom of the shell of the oil immersed motor, hydraulic oil in the main shaft flows downwards under the action of gravity and flows into the bottom oil box for collection under the gathering guide effect of the gathering plate, and then the bottom oil box is taken down, so that the collected hydraulic oil can be filtered and then discharged into the oil tank for recycling, and the energy consumption is saved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an oil pressure device and a control method of an immersion motor according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an oil tank according to an embodiment of the present application;
FIG. 3 is a schematic structural view of a flow dividing mechanism according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating an internal structure of a flow dividing mechanism according to an embodiment of the present application;
FIG. 5 is a schematic diagram illustrating the connection between a shunt mechanism and an oil immersed motor according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a motor spindle according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a liquid guide structure according to an embodiment of the present application;
fig. 8 is a schematic view illustrating an internal structure of the housing according to an embodiment of the present application.
In the figure, an oil immersion type motor-1, a hydraulic device-2, an oil tank-3, an oil inlet end-31, a partition plate-32, a placing cavity-33, a flow dividing mechanism-34, a connecting end-341, a flow dividing end-342, a small flow dividing pipe-343, a large flow dividing pipe-344, a control mechanism-345, a telescopic cylinder-21, a swinging block-22, a rotating shaft-23, a baffle-24, a main shaft-11, a liquid guide piece-12, a guide plate-121, a lantern ring-122, a shell-13, a bottom oil box-14, an inclined chamfer-15 and a gathering plate-16.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1-5, an embodiment of the present invention is as follows:
The structure of the oil pressure device of the oil immersed motor comprises an oil immersed motor 1, a hydraulic device 2 and an oil tank 3, wherein one side of the oil immersed motor 1 is connected with the hydraulic device 2, the other side of the hydraulic device 2 is connected with the oil tank 3, and hydraulic oil capable of lubricating and cooling an internal rotating shaft and a rotor of the oil immersed motor 1 is stored in the oil tank 3.
Referring to fig. 2, the oil tank 3 includes an oil inlet end 31, a partition plate 32, a placement cavity 33 and a flow dividing mechanism 34, the oil tank 3 is provided with the oil inlet end 31 capable of filling hydraulic oil in the oil tank 3, the partition plate 32 is installed in the oil tank 3, the partition plate 32 can divide the interior of the oil tank 3 to form the placement cavity 33 on one side, and the flow dividing mechanism 34 capable of dividing and selecting hydraulic oil discharged in the oil tank 3 is installed in the placement cavity 33.
Referring to fig. 3, the flow dividing mechanism 34 includes a connecting end 341, a flow dividing end 342, a small flow dividing pipe 343, a large flow dividing pipe 344 and a control mechanism 345, wherein the connecting end 341 is provided on one side of the flow dividing mechanism 34, the connecting end 341 is communicated with the partition 32 on the oil tank 3, so that hydraulic oil can pass through the partition, two flow dividing ends 342 are provided on the other side of the flow dividing mechanism 34, the small flow dividing pipe 343 and the large flow dividing pipe 344 are respectively connected to the two flow dividing ends 342, and the control mechanism 345 is mounted on the top of the flow dividing mechanism 34.
Referring to fig. 3, the other ends of the large shunt tubes 344 and the small shunt tubes 343 are connected with the hydraulic device 2, hydraulic oil can be discharged into the immersed motor 1 through the hydraulic device 2, the small shunt tubes 343 have a diameter smaller than that of the large shunt tubes 344 and are in the same center as the shunt ends 342, and by means of the principle that the diameter of the pipeline is concentrically changed in the pipeline system, when the small and large tubes are connected in series, the diameter of the pipeline is reduced and the flow rate is increased, so that when hydraulic oil flows from the connecting end 341 to the small shunt tubes 343 and flows out from the small shunt tubes 343, the flow rate of the hydraulic oil is accelerated, and the hydraulic pressure is increased, thereby achieving the advantage of good starting effect.
Referring to fig. 4, the control mechanism 345 includes a telescopic cylinder 21, a swinging block 22, a rotating shaft 23 and a baffle 24, the telescopic cylinder 21 is connected with the splitting mechanism 34, a piston rod of the telescopic cylinder 21 is connected with the swinging block 22, the swinging block 22 is connected with the rotating shaft 23 through a rotating bearing, the rotating shaft 23 is located inside the splitting mechanism 34 and is in rotating fit with the splitting mechanism 34, and the baffle 24 is installed on the side wall of the rotating shaft 23.
Referring to fig. 4-5, the baffle 24 can rotate inside the flow dividing mechanism 34 along with the rotation of the rotating shaft 23, so as to divide the internal channel of the flow dividing mechanism 34 into two chambers, and the flow chamber of the hydraulic oil can be selected according to the requirement.
Referring to fig. 6-8, an embodiment of the present invention is as follows:
Referring to fig. 6, the oil immersed motor 1 includes a main shaft 11 and liquid guiding members 12, wherein a plurality of liquid guiding members 12 are arranged on the main shaft 11 in the oil immersed motor 1, and the liquid guiding members 12 are arranged at intervals.
Referring to fig. 7, the liquid guiding member 12 includes a guiding plate 121 and a collar 122, the outer side of the liquid guiding member 12 is provided with a plurality of guiding plates 121, the plurality of guiding plates 121 are provided with the collar 122, when hydraulic oil enters the oil immersed motor 1, the hydraulic oil flows into the motor main shaft from top to bottom according to the gravity direction for cooling, and the plurality of guiding plates 121 and the collar 122 disperse and guide the hydraulic oil, so that the flow velocity of the hydraulic oil on the main shaft 11 is slowed down and the residence time is increased, thereby increasing the cooling effect on the motor.
Referring to fig. 8, the oil immersed motor 1 further includes a housing 13, a bottom oil box 14, an inclined chamfer 15 and a gathering plate 16, the bottom of the housing 13 is provided with the bottom oil box 14 through bolts, the connection between the housing 13 and the bottom oil box 14 is provided with the inclined chamfer 15, the inclined chamfer 15 can facilitate hydraulic oil to flow into the bottom oil box 14 for collection, and the inner wall of the housing 13 is provided with a plurality of gathering plates 16.
Referring to fig. 8, the ports of the gathering plates 16 are gradually gathered and located within the range of the bottom oil box 14, when hydraulic oil splashes on the housing 13 under the action of the motor main shaft 11 and the rotor to cool the motor, the hydraulic oil on the housing 13 flows downwards under the action of gravity and flows into the bottom oil box 14 for recycling after collecting under the gathering guiding action of the gathering plates 16.
Based on the above embodiments, an oil pressure control method for an oil immersed motor is specifically implemented as follows:
S1, when the oil immersed motor 1 is required to be subjected to hydraulic cooling lubrication, hydraulic oil in an oil tank 3 is discharged into the oil immersed motor 1 through driving of a hydraulic device 2, and the hydraulic oil passes through a flow dividing mechanism 34 when being discharged from the oil tank 3;
S2, when hydraulic oil enters the flow dividing mechanism 34 through the connecting end 341, the hydraulic oil flows out from the end of the large flow dividing pipe 344 and enters the oil immersed motor 1 by means of the hydraulic device 2 to lubricate and cool the motor;
S3, when the flow rate of hydraulic oil needs to be regulated, driving the telescopic cylinder 21 to operate through an external controller, driving the piston rod to stretch by the telescopic cylinder 21 to drive the swinging block 22 to rotate, driving the rotating shaft 23 to rotate through the swinging block 22, and driving the baffle 24 to move in the flow dividing mechanism 34, and communicating the connecting end 341 of the flow dividing mechanism 34 with the small flow dividing pipe 343;
s4, hydraulic oil flows to the small shunt pipes 343 from the connecting end 341 and is discharged into the oil immersed motor 1 from the small shunt pipes 343, and by means of the principle that the diameter of a pipeline is concentrically changed, the diameter of the pipeline is reduced and the flow rate is increased in a pipeline system, the flow rate of the hydraulic oil is increased, and the hydraulic pressure is increased, so that the advantage of good hydraulic oil starting effect is achieved;
S5, after the hydraulic oil enters the oil immersed motor 1, the hydraulic oil flows into the motor main shaft 11 to cool under the action of gravity, and after the hydraulic oil flows into the main shaft 11, the hydraulic oil is dispersed and guided under the action of a plurality of guide plates 121 and lantern rings 122, so that the flow speed of the hydraulic oil on the main shaft 11 is slowed down and the residence time is increased, and the cooling effect on the motor is improved;
And S6, the hydraulic oil in the main shaft 11 continuously flows downwards under the action of self gravity and flows into the bottom oil box 14 at the bottom of the shell 13 of the oil immersion type motor 1 to be collected, and then the bottom oil box 14 is taken down to filter the collected hydraulic oil and then discharge the filtered hydraulic oil into the oil tank 3 for recycling.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered.
Claims (3)
1. An oil pressure device of an oil immersed motor structurally comprises the oil immersed motor (1), a hydraulic device (2) positioned on one side of the oil immersed motor (1) and an oil tank (3) arranged on the other side of the hydraulic device (2);
The oil tank (3) comprises an oil inlet end (31), a partition plate (32) positioned in the oil tank (3), a placing cavity (33) arranged in the oil tank (3), and a diversion mechanism (34) arranged in the placing cavity (33);
The flow dividing mechanism (34) comprises a connecting end (341) arranged on one side of the flow dividing mechanism (34), two flow dividing ends (342) which are arranged on the other side of the flow dividing mechanism (34) and used for enabling hydraulic oil to pass through, a small flow dividing pipe (343) and a large flow dividing pipe (344) which are arranged on the two flow dividing ends (342), and a control mechanism (345) arranged at the top of the flow dividing mechanism (34);
The oil immersion type motor (1) comprises a main shaft (11) and liquid guide pieces (12), wherein a plurality of liquid guide pieces (12) are arrayed on the main shaft (11) inside the oil immersion type motor (1), and a plurality of liquid guide pieces (12) are arranged at intervals;
The other ends of the large shunt tube (344) and the small shunt tube (343) are connected with the hydraulic device (2), and the diameters of the small shunt tube (343) are smaller than those of the large shunt tube (344) and are in the same center with the shunt end (342);
the liquid guide piece (12) comprises guide plates (121) and lantern rings (122), a plurality of guide plates (121) are arranged on the outer side of the liquid guide piece (12), and the lantern rings (122) are arranged on the guide plates (121);
The control mechanism (345) comprises a telescopic cylinder (21), a swinging block (22) positioned on the telescopic cylinder (21), a rotating shaft (23) arranged on the swinging block (22) and a baffle plate (24) arranged on the side wall of the rotating shaft (23);
The baffle plate (24) can divide the internal channel of the flow dividing mechanism (34) into two chambers along with the rotation of the rotating shaft (23).
2. The oil pressure device of the oil immersed motor of claim 1, wherein the oil immersed motor (1) further comprises a shell (13), a bottom oil box (14) arranged at the bottom of the shell (13), and a plurality of gathering plates (16) arranged on the inner wall of the shell (13).
3. A control method of an oil hydraulic device of an immersion motor using the oil hydraulic device of an immersion motor according to claim 2, comprising the steps of:
S1, when the oil immersed motor (1) needs to be subjected to hydraulic cooling lubrication, hydraulic oil in an oil tank (3) is discharged into the oil immersed motor (1) through driving of a hydraulic device (2), and the hydraulic oil passes through a flow dividing mechanism (34) when being discharged from the oil tank (3);
S2, when hydraulic oil enters the flow dividing mechanism (34) through the connecting end (341), the hydraulic oil flows out from the end of the large flow dividing pipe (344) and enters the oil immersed motor (1) by means of the hydraulic device (2) to lubricate and cool the motor;
S3, when the flow rate of hydraulic oil needs to be regulated, driving a telescopic cylinder (21) to operate through an external controller, driving a piston rod to stretch by the telescopic cylinder (21) to drive a swinging block (22) to rotate, driving a rotating shaft (23) to rotate through the swinging block (22), and driving a baffle plate (24) to move in a flow dividing mechanism (34), and communicating a connecting end (341) of the flow dividing mechanism (34) with a small flow dividing pipe (343);
S4, hydraulic oil flows to the small shunt pipe (343) from the connecting end (341) and is discharged into the oil immersed motor (1) from the small shunt pipe (343), and by means of the principles of concentric diameter changing, pipe diameter reducing and flow velocity increasing in a pipe system, the flow velocity of the hydraulic oil is accelerated, the hydraulic pressure is increased, and therefore the advantage of good hydraulic oil starting effect is achieved;
S5, after hydraulic oil enters the oil immersed motor (1), the hydraulic oil flows into the main shaft (11) to cool under the action of gravity, and after the hydraulic oil flows into the main shaft (11), the hydraulic oil is dispersed and guided under the action of a plurality of guide plates (121) and lantern rings (122), so that the flow speed of the hydraulic oil on the main shaft (11) is slowed down and the residence time is increased, and the cooling effect on the motor is improved;
And S6, the hydraulic oil in the main shaft (11) continuously flows downwards under the action of self gravity and flows into a bottom oil box (14) at the bottom of a shell (13) of the oil immersion motor (1) to be collected, and then the bottom oil box (14) is taken down to be capable of filtering the collected hydraulic oil and then discharging the filtered hydraulic oil into an oil tank (3) for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411235642.XA CN118739738B (en) | 2024-09-04 | 2024-09-04 | Oil pressure device and control method for oil-immersed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411235642.XA CN118739738B (en) | 2024-09-04 | 2024-09-04 | Oil pressure device and control method for oil-immersed motor |
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| CN118739738A CN118739738A (en) | 2024-10-01 |
| CN118739738B true CN118739738B (en) | 2024-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411235642.XA Active CN118739738B (en) | 2024-09-04 | 2024-09-04 | Oil pressure device and control method for oil-immersed motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544704A (en) * | 1991-03-18 | 1993-02-23 | Akio Oba | Flow dividing device for hydraulic operating oil |
| CN117318395A (en) * | 2023-09-04 | 2023-12-29 | 华中科技大学 | A motor with a self-circulating oil-immersed cooling structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010064567A (en) * | 1999-12-29 | 2001-07-09 | 양재신 | Steering system in forklift truck |
| GB2465059B (en) * | 2008-09-12 | 2010-10-27 | Controlled Power Technologies | Liquid cooled electrical machine |
| JP5481298B2 (en) * | 2009-12-16 | 2014-04-23 | 東芝キヤリア株式会社 | Multi-cylinder rotary compressor and refrigeration cycle equipment |
| CN106604619B (en) * | 2017-01-20 | 2023-05-30 | 广东西江数据科技有限公司 | Gravity-based oil leaching and separating method and oil separating device thereof |
| CN106886267B (en) * | 2017-01-20 | 2023-10-31 | 广东西江数据科技有限公司 | Low pressure oil way oil feed structure |
| CN111416467B (en) * | 2020-04-23 | 2021-02-02 | 嘉兴学院 | Vibration and Noise Suppression Device of Permanent Magnet Brushless DC Motor |
| CN216981730U (en) * | 2022-03-01 | 2022-07-15 | 一汽解放汽车有限公司 | Liquid cooling motor, cooling mechanism and vehicle |
| JP2024025375A (en) * | 2022-08-12 | 2024-02-26 | 本田技研工業株式会社 | Rotating electric machine system and complex power system equipped with it |
| CN221403556U (en) * | 2023-11-24 | 2024-07-23 | 特灵空调系统(中国)有限公司 | Oil separator and water chilling unit |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544704A (en) * | 1991-03-18 | 1993-02-23 | Akio Oba | Flow dividing device for hydraulic operating oil |
| CN117318395A (en) * | 2023-09-04 | 2023-12-29 | 华中科技大学 | A motor with a self-circulating oil-immersed cooling structure |
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| CN118739738A (en) | 2024-10-01 |
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