CN216564818U

CN216564818U - Magneto structure of single-cylinder diesel generator and single-cylinder diesel generator

Info

Publication number: CN216564818U
Application number: CN202123456459.7U
Authority: CN
Inventors: 雷家扬; 吴允德
Original assignee: Taizhou Seeder Electronics Co ltd
Current assignee: Taizhou Seeder Electronics Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a magneto structure of a single-cylinder diesel generator and the single-cylinder diesel generator, and belongs to the technical field of fuel generators. The fuel generator solves the technical problems that the existing fuel generator is not compact in structure, large in size and the like. The single-cylinder diesel generator comprises a diesel engine, a crankshaft is arranged in the diesel engine, one end of the crankshaft is an input end, the other end of the crankshaft is an output end, the magneto structure is a three-phase multi-pole permanent magnet motor, the magneto structure comprises a stator and a flywheel rotor, the stator is arranged at the input end of the crankshaft, the flywheel rotor is sleeved outside the stator, and a ferrite magnetic shoe surrounding the periphery of the stator are arranged on the inner wall of the flywheel rotor. According to the utility model, the three-phase multi-pole permanent magnet motor integrating the flywheel rotor and the generator is designed at the crankshaft input end of the diesel engine, the design is reasonable in layout, the power generation performance is improved, the overall size of the generator is greatly reduced, the whole engine is more portable, the overall size is at least reduced by 1/3, and the layout of the generator type is more facilitated.

Description

Magneto structure of single-cylinder diesel generator and single-cylinder diesel generator

Technical Field

The utility model belongs to the technical field of generator equipment, and relates to a single-cylinder diesel generator, in particular to a magneto structure of the single-cylinder diesel generator.

Background

A generator is a mechanical device that converts mechanical energy into electrical energy. In the prior art, a fuel oil generator is a common generator type, and generates power through a fuel oil engine, chemical energy is converted into kinetic energy, then a generator set generates electric energy, and fuels such as gasoline and diesel oil are widely applied to various fuel oil generators.

The motor mounting structure of the traditional common small air-cooled single-cylinder diesel generator in the market is basically arranged at the output shaft end of the diesel engine, and a flywheel is arranged at the input shaft end; because the flywheel has the characteristic of a wheel-shaped energy accumulator with larger moment of inertia, a starting motor is generally arranged on the side edge of the flywheel at the input end, and the flywheel is driven to run at high speed when the starting motor is started, so that the engine is quickly started. The high-speed running of the engine drives the rotor of the alternating current asynchronous generator to run, and the rotor and the stator generate electromotive force to output alternating current.

The existing single-cylinder diesel generator generally has the problems of not compact structure, large volume, heavy weight, large occupied space and the like.

Disclosure of Invention

The utility model provides a magneto structure of a single-cylinder diesel generator aiming at the problems in the prior art, and the utility model aims to solve the technical problems that: how to improve the structural compactness of the single-cylinder diesel generator and reduce the volume of the single-cylinder diesel generator.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a single cylinder diesel generator's magneto structure, single cylinder diesel generator include diesel engine, the bent axle has in the diesel engine, the one end of bent axle is the input, and the other end is the output, its characterized in that, the magneto structure is the multipolar permanent-magnet machine of three-phase, and it is including setting up the stator and the cover of the input of bent axle are established flywheel rotor outside the stator, be provided with ferrite magnetic shoe on flywheel rotor's the inner wall just ferrite magnetic shoe encircle in the stator periphery.

The working principle is as follows: the diesel engine in the technical scheme is preferably a small single cylinder engine of 170, 173, 178, 188, 192 and the like. In the technical scheme, a three-phase multipole permanent magnet motor integrating a flywheel rotor and a generator is designed at the input end of a crankshaft of a diesel engine, and ferrite magnetic shoes are uniformly distributed and adhered to the inner wall of the flywheel rotor according to the corresponding motor pole number, so that the characteristic that the original flywheel rotor of the diesel engine has a wheel-shaped energy accumulator with larger rotational inertia is kept, and the three-phase multipole permanent magnet motor is an outer rotor component of the three-phase multipole permanent magnet motor; the three-phase multi-pole winding stator is matched with a three-phase multi-pole winding stator to realize the power generation function. The design is reasonable in layout, the power generation performance is improved, the overall volume of the generator is greatly reduced, and particularly the length size of the axis of the generator is reduced; the whole machine is more portable, the whole volume is at least reduced by 1/3, and the layout of the generator model is more facilitated.

In the above magnetic motor structure of the single-cylinder diesel generator, the magnetic motor structure includes an annular magnetic shoe framework; the ferrite magnetic tiles are tile-shaped and flaky, a plurality of ferrite magnetic tiles are distributed at equal intervals along the circumferential direction of the magnetic tile framework, and one end of each ferrite magnetic tile is fixedly connected with the magnetic tile framework; the magnetic shoe framework is embedded in the flywheel rotor.

In the magneto structure of the single-cylinder diesel generator, the stator is provided with a plurality of windings along the circumferential direction of the stator, and the ferrite magnetic shoes in the flywheel rotor are uniformly distributed and adhered to the inner wall of the flywheel rotor according to the corresponding pole number of the motor.

In the magneto structure of the single-cylinder diesel generator, the middle part of the flywheel rotor is provided with the mounting seat, the mounting seat and the flywheel rotor are integrally formed, the middle part of the mounting seat is provided with the taper hole, the input end of the crankshaft is inserted into the taper hole, the inner side of the flywheel rotor is provided with the side concave cavity, and the magnetic shoe framework and the ferrite magnetic shoe are positioned in the side concave cavity.

By adopting the design of the three-phase multi-pole permanent magnet motor in the technical scheme, the weight of the whole machine is greatly reduced, the machine is more portable, the power generation efficiency is higher, and the alternating current output is more stable.

In foretell single cylinder diesel generator's magneto structure, diesel engine has the box, diesel engine's box both sides are worn out respectively at diesel engine's bent axle both ends, the periphery of flywheel rotor is equipped with the ring gear, the starter motor has set firmly on the box, starter motor's output shaft pass through the gear with the ring gear meshes mutually.

In the magneto structure of the single-cylinder diesel generator, the outer side of the flywheel rotor is provided with a plurality of radiating fan blades.

The utility model also provides a single-cylinder diesel generator which is characterized by comprising the magneto structure.

In the single-cylinder diesel generator, the output end of the crankshaft of the diesel engine is fixedly provided with the cooling fan, and the box body of the diesel engine is fixedly connected with the housing which is covered on the cooling fan.

In the single-cylinder diesel generator, the right side of the box body is a box body right cover, a plurality of connecting holes are formed in the box body right cover, and the stator is fixedly connected to the box body right cover through bolts or screws in the connecting holes in a threaded mode.

The diesel engine in the technical scheme adopts a single-cylinder air-cooled diesel engine, the input end of the engine is connected with a flywheel rotor of a magneto, and the diesel engine has the advantages of low cost and stable and reliable structure.

Compared with the prior art, the utility model has the following advantages:

1. according to the technical scheme, the three-phase multipole permanent magnet motor integrating the flywheel rotor and the generator is designed at the crankshaft input end of the diesel engine, the design is reasonable in layout, the power generation performance is improved, the overall size of the generator is greatly reduced, the whole engine is more portable, the overall size is at least reduced by 1/3, and the layout of the engine type of the generator is more facilitated.

2. By adopting the design of the three-phase multi-pole permanent magnet motor in the technical scheme, the weight of the whole machine is greatly reduced, the machine is more portable, the power generation efficiency is higher, and the alternating current output is more stable.

Drawings

Fig. 1 is a schematic perspective view of the single-cylinder diesel generator.

Fig. 2 is a schematic diagram of a partial explosion structure of the single-cylinder diesel generator.

Fig. 3 is an exploded sectional structural schematic view of the present single cylinder diesel generator.

Fig. 4 is a schematic perspective view of the flywheel rotor in the single cylinder diesel generator.

In the figure, 1, a diesel engine; 11. a crankshaft; 11a, an input end; 11b, an output end; 12. a box body; 12a, a right cover of the box body; 12a1, connecting hole; 2. a stator; 21. a winding; 3. a flywheel rotor; 31. a mounting seat; 31a, a taper hole; 32. a side cavity; 33. a ring gear; 4. a ferrite magnetic shoe; 5. a magnetic shoe framework; 6. a heat radiation fan sheet; 7. a heat radiation fan; 8. and (4) a housing.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the single-cylinder diesel generator includes a diesel engine 1, a crankshaft 11 is provided in the diesel engine 1, one end of the crankshaft 11 is an input end 11a, the other end is an output end 11b, the magneto structure is a three-phase multi-pole permanent magnet motor, the magneto structure includes a stator 2 provided at the input end 11a of the crankshaft 11 and a flywheel rotor 3 sleeved outside the stator 2, and a ferrite magnetic shoe 4 is provided on the inner wall of the flywheel rotor 3 and the ferrite magnetic shoe 4 surrounds the periphery of the stator 2.

The diesel engine 1 in the present embodiment is preferably a small single cylinder diesel engine of 170, 173, 178, 188, 192, etc. In the embodiment, a three-phase multi-pole permanent magnet motor integrating a flywheel rotor and a generator is designed at the input end 11a of the crankshaft 11 of the diesel engine 1, and the ferrite magnetic shoes 4 are uniformly distributed and adhered to the inner wall of the flywheel rotor 3 according to the corresponding number of poles of the motor, so that the characteristic that the original flywheel rotor 3 of the diesel engine has a wheel-shaped energy accumulator with larger rotational inertia is kept, and the three-phase multi-pole permanent magnet motor is also an outer rotor component of the three-phase multi-pole permanent magnet motor; and the three-phase multi-pole externally-wound stator 2 is matched with the three-phase multi-pole externally-wound stator to realize the power generation function. The design is reasonable in layout, the power generation performance is improved, the overall volume of the generator is greatly reduced, and particularly the length size of the axis of the generator is reduced; the whole machine is more portable, the whole volume is at least reduced by 1/3, and the layout of the generator model is more facilitated.

As shown in fig. 2 and 3, the magneto structure includes a magnetic shoe skeleton 5 in a ring shape; the ferrite magnetic tiles 4 are tile-shaped sheets, a plurality of ferrite magnetic tiles 4 are distributed at equal intervals along the circumferential direction of the magnetic tile framework 5, and one end of each ferrite magnetic tile 4 is fixedly connected with the magnetic tile framework 5; the magnetic shoe framework 5 in the flywheel rotor 3 is embedded in the flywheel rotor 3. The stator 2 is provided with a plurality of windings 21 along the circumferential direction, and the ferrite magnetic tiles 4 are uniformly distributed and adhered to the inner wall of the flywheel rotor 3 according to the number of corresponding electrodes.

Combine shown in fig. 4, flywheel rotor 3's middle part has mount pad 31, mount pad 31 and flywheel rotor 3 integrated into one piece, mount pad 31's middle part has taper hole 31a, and the input 11a of bent axle 11 is pegged graft in taper hole 31a, and both are taper fit and are connected, set up the keyway on the taper hole 31a inner wall, set up the connecting key in the keyway, through keyway location installation angle to realize flywheel rotor 3 and bent axle 11's circumference spacing and be connected. The inner side of the flywheel rotor 3 is provided with a side cavity 32, and the magnetic shoe framework 5 and the ferrite magnetic shoe 4 are positioned in the side cavity 32.

In the embodiment, the design of the three-phase multi-pole permanent magnet motor is adopted, so that the weight of the whole machine is greatly reduced, the whole machine is more portable, the power generation efficiency is higher, and the alternating current output is more stable.

As shown in fig. 1 to 3, the diesel engine 1 further includes a case 12, two ends of a crankshaft 11 of the diesel engine 1 respectively penetrate through two sides of the case 12 of the diesel engine 1, a gear ring 33 is disposed on the periphery of the flywheel rotor 3, a starting motor is fixedly disposed on the case 12, and an output shaft of the starting motor is engaged with the gear ring 33 through a gear. The outer side of the flywheel rotor 3 is provided with a plurality of radiating fan blades 6. The right side of the box body 12 is provided with a box body right cover 12a, the box body right cover 12a is provided with a plurality of connecting holes 12a1, and the stator 2 is fixedly connected on the box body right cover 12a through bolts or screws which are in screwed connection with the connecting holes 12a 1. Preferably, the number of the connection holes 12a1 is 3, 3 through holes are uniformly distributed on the inner side of the stator 2 along the circumferential direction thereof, and bolts or screws are inserted into the corresponding connection holes 12a1 through the corresponding through holes. The output end 11b of the crankshaft 11 of the diesel engine 1 is fixedly provided with a radiator fan 7, the box body 12 of the diesel engine 1 is fixedly connected with a housing 8, and the housing 8 covers the radiator fan 7. The diesel engine 1 in the embodiment adopts the single-cylinder air-cooled diesel engine 1, and the input end of the engine is connected with the flywheel rotor of the magneto, so that the diesel engine has the advantages of low cost and stable and reliable structure.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a single cylinder diesel generator's magneto structure, single cylinder diesel generator include diesel engine (1), bent axle (11) have in diesel engine (1), the one end of bent axle (11) is input (11a), and the other end is output (11b), a serial communication port, the magneto structure is the multipolar permanent-magnet machine of three-phase, and it is including setting up stator (2) and the cover of input (11a) of bent axle (11) are established flywheel rotor (3) outside stator (2), be provided with ferrite magnetic shoe (4) on the inner wall of flywheel rotor (3) and just ferrite magnetic shoe (4) encircle in stator (2) periphery.

2. The magneto structure of a single cylinder diesel generator according to claim 1, characterized in that it further comprises a magnetic shoe skeleton (5) in the shape of a ring; the ferrite magnetic tiles (4) are tile-shaped sheets, a plurality of ferrite magnetic tiles (4) are distributed at equal intervals along the circumferential direction of the magnetic tile framework (5), and one end of each ferrite magnetic tile (4) is fixedly connected with the magnetic tile framework (5); the magnetic shoe framework (5) is embedded in the flywheel rotor (3).

3. The magneto structure of the single cylinder diesel generator of claim 1 or 2, characterized in that the stator (2) is provided with a plurality of windings (21) along its circumference, and the ferrite magnetic shoes (4) in the flywheel rotor (3) are uniformly distributed and adhered to the inner wall of the flywheel rotor (3) according to the number of corresponding motor poles.

4. The magneto structure of the single cylinder diesel generator of claim 2, characterized in that the middle of the flywheel rotor (3) is provided with a mounting seat (31), the middle of the mounting seat (31) is provided with a taper hole (31a), the input end (11a) of the crankshaft (11) is inserted into the taper hole (31a), the inner side of the flywheel rotor (3) is provided with a side cavity (32), and the magnetic shoe framework (5) and the ferrite magnetic shoe (4) are positioned in the side cavity (32).

5. The magnetic motor structure of the single-cylinder diesel generator of claim 4, characterized in that the diesel engine (1) has a case (12), two ends of a crankshaft (11) of the diesel engine (1) respectively penetrate through two sides of the case (12) of the diesel engine (1), a gear ring (33) is arranged on the periphery of the flywheel rotor (3), a starting motor is fixedly arranged on the case (12), and an output shaft of the starting motor is meshed with the gear ring (33) through a gear.

6. Magneto structure of single cylinder diesel generator according to claim 5, characterized in that several cooling fins (6) are provided on the outside of the flywheel rotor (3).

7. The utility model provides a single cylinder diesel generator, includes diesel engine (1), diesel engine (1) includes box (12) and bent axle (11), wear out respectively at the both ends of bent axle (11) the both sides of box (12), the one end of bent axle (11) is input (11a), and the other end is output (11b), its characterized in that, one side of box (12) has set firmly stator (2) just stator (2) cover is established input (11a) of bent axle (11), stator (2) overcoat is equipped with flywheel rotor (3), be provided with ferrite magnetic shoe (4) on the inner wall of flywheel rotor (3) just ferrite magnetic shoe (4) encircle in stator (2) periphery, output (11b) of bent axle (11) have set firmly radiator fan (7), have linked firmly housing (8) on the box (12) of diesel engine (1), the housing (8) covers the heat radiation fan (7).

8. The single cylinder diesel generator according to claim 7, characterized in that said flywheel rotor (3) is provided, on the periphery, with a ring gear (33), and said casing (12) is provided with a starting motor, the output shaft of which is engaged with said ring gear (33) through a gear.

9. The single cylinder diesel generator according to claim 7 or 8, characterized in that the right side of the box body (12) is a box body right cover (12a), a plurality of connecting holes (12a1) are formed in the box body right cover (12a), and the stator (2) is fixedly connected to the box body right cover (12a) through bolts or screws screwed in the connecting holes (12a 1).