CN210564763U - Air-cooled diesel generator convenient to heat dissipation - Google Patents
Air-cooled diesel generator convenient to heat dissipation Download PDFInfo
- Publication number
- CN210564763U CN210564763U CN201920925346.0U CN201920925346U CN210564763U CN 210564763 U CN210564763 U CN 210564763U CN 201920925346 U CN201920925346 U CN 201920925346U CN 210564763 U CN210564763 U CN 210564763U
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- flywheel
- heat dissipation
- air
- output shaft
- power output
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Abstract
The utility model relates to a generator field especially relates to an air-cooled diesel generator convenient to heat dissipation. The utility model discloses an oil engine cylinder body rear side sets up power output shaft, last fixed mounting back radiator fan of power output shaft, the inside fixed mounting ring flange of flywheel, flywheel shaft suit are in the ring flange, the inside permanent-magnet machine that sets up of flywheel, and permanent-magnet machine includes motor stator and electric motor rotor, and motor stator fixed mounting is on the ring flange, and electric motor rotor fixed mounting is epaxial at the flywheel. The utility model discloses a device simplifies cabin heat dissipation wind channel, reduces generator complete machine manufacturing cost.
Description
Technical Field
The utility model relates to a generator field especially relates to an air-cooled diesel generator convenient to heat dissipation.
Background
As shown in fig. 2, the conventional air-cooled diesel generator includes an oil engine cylinder 1A, a flywheel 2A, a cooling fan 3A, a flange plate 4A, a motor stator 5A, a motor rotor 6A, and a power output shaft 7A. The motor part is arranged on a power output shaft 7A of the engine, and the position is at a heat-radiating air outlet of the engine. The measured temperature at the position during normal work is 200-240 ℃. High temperatures are detrimental to the operation of permanent magnet motors. The existing solution in the market is to install a fan on the outer side of a motor rotor, blow cold air to an engine from one side of a permanent magnet motor, and forcibly dissipate heat for a coil. However, the left and right side winds collide at the cylinder body, which is not beneficial to the design of the whole air duct and can also lead to the temperature rise in the engine room.
Disclosure of Invention
To the not enough of prior art, the utility model provides an air-cooled diesel generator convenient to heat dissipation. The utility model discloses a device changes diesel generator's part connection through structural design to corresponding change engine flywheel structure improves complete machine radiating efficiency, has great market prospect.
The technical scheme of the utility model is that: the utility model provides an air-cooled diesel generator convenient to heat dissipation, includes oil engine cylinder body, flywheel, preceding radiator fan, ring flange, motor stator, electric motor rotor, power output shaft, flywheel axle, back radiator fan, the flywheel sets up in the front between radiator fan and the oil engine cylinder body, its characterized in that: the rear side of the oil engine cylinder body is provided with a power output shaft, a rear cooling fan is fixedly installed on the power output shaft, a flange plate is fixedly installed inside the flywheel, the flywheel shaft is sleeved in the flange plate, a permanent magnet motor is arranged inside the flywheel and comprises a motor stator and a motor rotor, the motor stator is fixedly installed on the flange plate, and the motor rotor is fixedly installed on the flywheel shaft.
According to the air-cooled diesel generator convenient to heat dissipation as above, its characterized in that: the motor rotor surrounds the motor stator and is outward measured.
The utility model has the advantages that: firstly, the temperature of permanent magnet motor has been reduced, permanent magnet motor's work efficiency and life-span have been improved. And secondly, two cooling fans guide to exhaust air, the air flow direction is fixed, and the cooling effect is improved. And thirdly, the permanent magnet motor stator and the motor rotor are arranged in the flywheel and are coaxial with the flywheel, so that a heat dissipation air duct in the generator is optimized, the heat dissipation air duct of the engine room is greatly simplified, and the production cost of the whole generator is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the device of the present invention.
Fig. 2 is a schematic structural diagram of a conventional diesel generator.
Description of reference numerals: the oil engine comprises an oil engine cylinder body 1, a flywheel 2, a front cooling fan 3, a flange plate 4, a motor stator 5, a motor rotor 6, a power output shaft 7, a flywheel shaft 8, a rear cooling fan 9, an oil engine cylinder body 1A, a flywheel 2A, a cooling fan 3A, a flange plate 4A, a motor stator 5A, a motor rotor 6A, a power output shaft 7A, hollow arrows represent cold air, and solid arrows represent hot air.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1, the utility model discloses an air-cooled diesel generator includes oil engine cylinder body 1, flywheel 2, preceding radiator fan 3, ring flange 4, motor stator 5, electric motor rotor 6, power output shaft 7, flywheel axle 8, back radiator fan 9, and flywheel 2 sets up in the front between radiator fan 3 and the oil engine cylinder body 1, and oil engine cylinder body 1 rear side sets up power output shaft 7, radiator fan 9 behind the fixed mounting on the output shaft 7. 2 inside fixed mounting ring flange 4 of flywheel, 8 suits of flywheel axle are in ring flange 4, and 2 inside permanent-magnet machine that set up of flywheel, permanent-magnet machine include motor stator 5 and motor rotor 6, and motor stator 5 fixed mounting is on ring flange 4, and motor rotor 6 fixed mounting is on flywheel axle 8, and motor rotor 6 surveys outside motor stator 5 around.
The utility model discloses a working process is: cold air enters from the front cooling fan 3, the motor rotor 6 rotates around the motor stator 5, and the cold air is rapidly cooled by the motor stator 5, the motor rotor 6 and the flywheel shaft 8, passes through the oil engine cylinder body 1 and is discharged from the rear cooling fan 9. The utility model discloses in, two radiator fan guide formulas are aired exhaust around by, and the air current direction is fixed, has improved the cooling effect. And the temperature at the flywheel shaft 8 is low, so that the temperature of the permanent magnet motor is further reduced, the working efficiency of the permanent magnet motor is improved, and the service life of the permanent magnet motor is prolonged.
Claims (2)
1. The utility model provides an air-cooled diesel generator convenient to heat dissipation, includes oil engine cylinder body, flywheel, preceding radiator fan, ring flange, motor stator, electric motor rotor, power output shaft, flywheel axle, back radiator fan, the flywheel sets up in the front between radiator fan and the oil engine cylinder body, its characterized in that: the rear side of the oil engine cylinder body is provided with a power output shaft, a rear cooling fan is fixedly installed on the power output shaft, a flange plate is fixedly installed inside the flywheel, the flywheel shaft is sleeved in the flange plate, a permanent magnet motor is arranged inside the flywheel and comprises a motor stator and a motor rotor, the motor stator is fixedly installed on the flange plate, and the motor rotor is fixedly installed on the flywheel shaft.
2. The air-cooled diesel generator facilitating heat dissipation of claim 1, wherein: the motor rotor surrounds the motor stator and is outward measured.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091565 | 2018-12-13 | ||
| CN2018220915651 | 2018-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564763U true CN210564763U (en) | 2020-05-19 |
Family
ID=70625667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920925346.0U Expired - Fee Related CN210564763U (en) | 2018-12-13 | 2019-06-19 | Air-cooled diesel generator convenient to heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910178A (en) * | 2021-03-01 | 2021-06-04 | 徐州市柯瑞斯电机制造有限公司 | Three-phase permanent magnet synchronous generator with axial-flow type heat dissipation wind wheel |
| CN115387902A (en) * | 2021-10-15 | 2022-11-25 | 常州市沃拓机电有限公司 | Diesel generator |
-
2019
- 2019-06-19 CN CN201920925346.0U patent/CN210564763U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910178A (en) * | 2021-03-01 | 2021-06-04 | 徐州市柯瑞斯电机制造有限公司 | Three-phase permanent magnet synchronous generator with axial-flow type heat dissipation wind wheel |
| CN115387902A (en) * | 2021-10-15 | 2022-11-25 | 常州市沃拓机电有限公司 | Diesel generator |
| CN115387902B (en) * | 2021-10-15 | 2024-01-02 | 常州市沃拓机电有限公司 | Diesel generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |