CN105186786A - Variable-frequency generator set motor with cooling airflow supercharging device - Google Patents
Variable-frequency generator set motor with cooling airflow supercharging device Download PDFInfo
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- CN105186786A CN105186786A CN201510656521.7A CN201510656521A CN105186786A CN 105186786 A CN105186786 A CN 105186786A CN 201510656521 A CN201510656521 A CN 201510656521A CN 105186786 A CN105186786 A CN 105186786A
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Abstract
The invention discloses a variable-frequency generator set motor with a cooling airflow supercharging device. The variable-frequency generator set motor includes an inner fan (4) and an outer fan (5), the inner fan (4) is installed on a flywheel shaft sleeve arranged in a motor flywheel (2), the inner fan (4) is located in an inner ring of a motor stator, the middle of the motor stator (1) is provided with a middle inner hole (6), an electrode gap (3) is opposite to air outlet I (7) arranged on an end face of the motor flywheel (2), the middle inner hole (6) is opposite to the inner fan (4), a peripheral air duct is formed between the electrode gap (3) and the air outlet I (7), a middle air duct is formed among the middle inner hole (6), the inner fan (4) and the air outlet I (7), the outer fan (5) is located in an engine side cover, an air outlet II (8) is arranged on an inner wall of the engine side cover, and a second-stage air duct is formed between the air outlet II (8) and a gap which is arranged between the outer fan (5) and the inner wall of the engine side cover.
Description
Technical field
The present invention relates to a kind of variable-frequency power generation unit motor with cooling blast supercharging device.
Background technology
Because electric current can generate heat by can produce eddy current in heat, iron core in wire in the generating set course of work), the engine of drive machines running also can heat conduction, therefore need to cool motor.Conventional way on rotor, installs a centrifugal fan carry out cooling heat dissipation, but the gap between motor stator and rotor and the gap between stator coil less, the exhaust effect of fan is very limited, complete machine temperature is caused to can not get effective reduction, copper loss and iron loss higher, the work efficiency drop of generating set time hot.
Summary of the invention
The invention provides a kind of variable-frequency power generation unit motor with cooling blast supercharging device, it can improve the cooling effect of variable-frequency power generation unit effectively.
Present invention employs following technical scheme: a kind of variable-frequency power generation unit motor with cooling blast supercharging device, it comprises motor stator, motor flywheels, side cover of engine and engine crankshaft, side cover of engine is connected with motor flywheels by engine crankshaft, motor stator is provided with clearance between poles, flywheel axle sleeve is provided with by the fastening motor flywheels of set bolt I, motor wind scooper is provided with in the bottom of side cover of engine, it is characterized in that it also comprises internal fan and external fan, described internal fan is arranged on the flywheel shaft arranged in motor flywheels and puts, internal fan is arranged in the inner ring of motor stator, middle endoporus is provided with in the middle of motor stator, it is relative that clearance between poles and the end face of motor flywheels are provided with air outlet I, middle endoporus is relative with internal fan, peripheral air channel is formed between clearance between poles and air outlet I, middle endoporus, air channel in the middle of being formed between internal fan and air outlet I, described external fan is positioned at side cover of engine, the inwall of side cover of engine is provided with air outlet II, secondary air channel is formed between the gap be provided with between external fan and side cover of engine inwall and air outlet II.
The diameter of the fan blade of described external fan and be highly all greater than internal fan.Described internal fan is set to centrifugal fan.Described external fan is set to centrifugal fan.Motor flywheels is fixed by being installed with set bolt I in flywheel axle sleeve by described motor flywheels.The surrounding of described internal fan is distributed with some wind blades, and wind blade is fixed on the end face of motor stator, is provided with wind-guiding air channel between wind blade and wind blade, the air stream outlet of the impeller that wind-guiding air channel and internal fan are provided with and corresponding.Described wind blade is set to arc shaped blade, is set to step-like on the top of wind blade.
The present invention has following beneficial effect: after have employed above technical scheme, the present invention is provided with motor stator, motor flywheels, internal fan and external fan, when the air-flow mid portion entering motor stator region is sucked by internal fan, air outlet I on motor flywheels end face enters into the working region of external fan, because of external fan blade diameter and be highly all greater than internal fan, so discharged by motor flywheels external fan completely through the air-flow of internal fan supercharging, the air-flow peripheral part entering stator region directly enters into the working region of external fan by the air outlet I on motor flywheels end face through clearance between poles and is discharged by external fan, some wind blades are distributed with around internal fan, the pressurized air stream of discharging under internal fan centrifugal action can be made to enter into next stage working region more swimmingly, such internal fan makes the air-flow of motor stator region mid portion add pressure, the air-flow making to enter into external fan is more more abundant, it is more smooth that fixing wind blade on motor stator makes air-flow pass through, whole design compensate for the less defect in gap between gap between motor stator and rotor and stator coil, cooling effect is improved greatly.
Accompanying drawing explanation
Fig. 1 is expanded view of the present invention.
Fig. 2 is wind direction schematic diagram of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the B-B cutaway view of Fig. 2.
Fig. 5 is the structural representation of motor stator of the present invention.
Embodiment
In fig. 1 and 2, the invention provides a kind of variable-frequency power generation unit motor with cooling blast supercharging device, it comprises motor stator 1, motor flywheels 2, side cover of engine and engine crankshaft, side cover of engine is connected with motor flywheels 2 by engine crankshaft, motor stator 1 is provided with clearance between poles 3, flywheel axle sleeve is provided with by the fastening motor flywheels 2 of set bolt I, motor wind scooper is provided with in the bottom of side cover of engine, the present invention also comprises internal fan 4 and external fan 5, described internal fan 4 is set to centrifugal fan, external fan 5 is set to centrifugal fan, the diameter of the fan blade of external fan 5 and be highly all greater than internal fan 4, described internal fan 4 is arranged on the flywheel shaft arranged in motor flywheels 2 and puts, motor flywheels 2 is fixed by being installed with set bolt I in flywheel axle sleeve by described motor flywheels 2, internal fan 4 is arranged in the inner ring of motor stator, middle endoporus 6 is provided with in the middle of motor stator 1, it is relative that clearance between poles 3 and the end face of motor flywheels 2 are provided with air outlet I 7, middle endoporus 6 is relative with internal fan 4, peripheral air channel is formed between clearance between poles 3 and air outlet I 7, middle endoporus 6, air channel in the middle of being formed between internal fan 4 and air outlet I 7, described external fan 5 is positioned at side cover of engine, the inwall of side cover of engine is provided with air outlet II 8, secondary air channel is formed between the gap be provided with between external fan 5 and side cover of engine inwall and air outlet II 8, at Fig. 3, in Fig. 4 and Fig. 5, the surrounding of described internal fan 4 is distributed with some wind blades 9, the surrounding of the internal fan 4 of the present embodiment is distributed with 16 wind blades 9, wind blade 9 is fixed on the end face of motor stator, wind-guiding air channel 10 is provided with between wind blade 9 and wind blade 9, the air stream outlet of wind-guiding air channel 10 and the impeller 11 that internal fan 4 is provided with and corresponding, described wind blade 9 is set to arc shaped blade, be set to step-like on the top of wind blade 9.
The course of work of the present invention is: after the air-flow mid portion in motor stator 1 region of the present invention is sucked by internal fan 4, air outlet I 7 on motor flywheels 2 end face enters into the working region of external fan 5, because of external fan 5 blade diameter and be highly all greater than internal fan 4, so discharged by external fan 5 completely through the air-flow of internal fan 4 supercharging; The air-flow peripheral part entering motor stator 1 region directly enters into the working region of external fan 5 by the air outlet I 7 on motor flywheels 2 end face through clearance between poles 3 and is discharged by external fan 5.Around internal fan 4, be distributed with some wind blades 9, the pressurized air stream of discharging under internal fan 4 centrifugal action can be made to enter into next stage working region more swimmingly.
Claims (7)
1. the variable-frequency power generation unit motor with cooling blast supercharging device, it comprises motor stator (1), motor flywheels (2), side cover of engine and engine crankshaft, side cover of engine is connected with motor flywheels (2) by engine crankshaft, motor stator (1) is provided with clearance between poles (3), flywheel axle sleeve is provided with by the fastening motor flywheels of set bolt I (2), motor wind scooper is provided with in the bottom of side cover of engine, it is characterized in that it also comprises internal fan (4) and external fan (5), described internal fan (4) is arranged on the flywheel shaft arranged in motor flywheels (2) and puts, internal fan (4) is arranged in the inner ring of motor stator, middle endoporus (6) is provided with in the middle of motor stator (1), it is relative that clearance between poles (3) and the end face of motor flywheels (2) are provided with air outlet I (7), middle endoporus (6) is relative with internal fan (4), peripheral air channel is formed between clearance between poles (3) and air outlet I (7), middle endoporus (6), air channel in the middle of being formed between internal fan (4) and air outlet I (7), described external fan (5) is positioned at side cover of engine, the inwall of side cover of engine is provided with air outlet II (8), secondary air channel is formed between the gap be provided with between external fan (5) and side cover of engine inwall and air outlet II (8).
2. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 1, is characterized in that the diameter of the fan blade of described external fan (5) and is highly all greater than internal fan (4).
3. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 1 and 2, is characterized in that described internal fan (4) is set to centrifugal fan.
4. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 1 and 2, is characterized in that described external fan (5) is set to centrifugal fan.
5. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 1, is characterized in that motor flywheels (2) is fixed by being installed with set bolt I in flywheel axle sleeve by described motor flywheels (2).
6. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 1, it is characterized in that the surrounding of described internal fan (4) is distributed with some wind blades (9), wind blade (9) is fixed on the end face of motor stator, wind-guiding air channel (10) is provided with, the air stream outlet of wind-guiding air channel (10) and the impeller (11) that internal fan (4) is provided with and corresponding between wind blade (9) and wind blade (9).
7. the variable-frequency power generation unit motor with cooling blast supercharging device according to claim 6, is characterized in that described wind blade (9) is set to arc shaped blade, is set to step-like on the top of wind blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656521.7A CN105186786B (en) | 2015-10-13 | 2015-10-13 | A kind of variable-frequency power generation unit motor with cooling air-flow supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656521.7A CN105186786B (en) | 2015-10-13 | 2015-10-13 | A kind of variable-frequency power generation unit motor with cooling air-flow supercharging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105186786A true CN105186786A (en) | 2015-12-23 |
| CN105186786B CN105186786B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510656521.7A Active CN105186786B (en) | 2015-10-13 | 2015-10-13 | A kind of variable-frequency power generation unit motor with cooling air-flow supercharging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490458A (en) * | 2016-01-26 | 2016-04-13 | 浙江科宁电机有限公司 | Motor heat dissipation structure |
| CN107659054A (en) * | 2017-10-26 | 2018-02-02 | 江苏东方康弛机电科技有限公司 | A kind of diesel generating set stator cooling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11122872A (en) * | 1997-08-23 | 1999-04-30 | Abb Res Ltd | Turbogenerator |
| CN2345756Y (en) * | 1998-09-04 | 1999-10-27 | 张旭晨 | Cambered surface inducing oscillating blade electric fan |
| CN101170266A (en) * | 2006-10-23 | 2008-04-30 | 梁昌勇 | External rotor car permanent magneto |
| CN102124637A (en) * | 2008-08-12 | 2011-07-13 | 利莱森玛发电机有限公司 | Rotating electrical machine |
| CN202997726U (en) * | 2012-12-25 | 2013-06-12 | 南车株洲电机有限公司 | Stator fanning strip ventilation duct plate and stator core ventilation duct plate |
| CN205070690U (en) * | 2015-10-13 | 2016-03-02 | 江苏杰特动力科技有限公司 | Frequency conversion generating set motor with cooling blast supercharging device |
-
2015
- 2015-10-13 CN CN201510656521.7A patent/CN105186786B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122872A (en) * | 1997-08-23 | 1999-04-30 | Abb Res Ltd | Turbogenerator |
| CN2345756Y (en) * | 1998-09-04 | 1999-10-27 | 张旭晨 | Cambered surface inducing oscillating blade electric fan |
| CN101170266A (en) * | 2006-10-23 | 2008-04-30 | 梁昌勇 | External rotor car permanent magneto |
| CN102124637A (en) * | 2008-08-12 | 2011-07-13 | 利莱森玛发电机有限公司 | Rotating electrical machine |
| CN202997726U (en) * | 2012-12-25 | 2013-06-12 | 南车株洲电机有限公司 | Stator fanning strip ventilation duct plate and stator core ventilation duct plate |
| CN205070690U (en) * | 2015-10-13 | 2016-03-02 | 江苏杰特动力科技有限公司 | Frequency conversion generating set motor with cooling blast supercharging device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490458A (en) * | 2016-01-26 | 2016-04-13 | 浙江科宁电机有限公司 | Motor heat dissipation structure |
| CN105490458B (en) * | 2016-01-26 | 2018-06-05 | 浙江科宁电机有限公司 | A kind of motor radiating structure |
| CN107659054A (en) * | 2017-10-26 | 2018-02-02 | 江苏东方康弛机电科技有限公司 | A kind of diesel generating set stator cooling device |
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| Publication number | Publication date |
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| CN105186786B (en) | 2019-06-11 |
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