CN213027728U

CN213027728U - Gasoline power generation equipment and generator

Info

Publication number: CN213027728U
Application number: CN202022084235.7U
Authority: CN
Inventors: 阮吉分
Original assignee: Taizhou Menghua Machinery Co ltd
Current assignee: Taizhou Menghua Machinery Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-20
Anticipated expiration: 2030-09-21

Abstract

The present application relates to a gasoline power plant and a generator; the generator comprises a shell, a front end cover, a stator, a rotor and a rear end cover, wherein a ventilation hole is formed in the rear end cover, a ventilation opening is formed in the front end cover, the ventilation hole and the ventilation opening are communicated with the inside and the outside of the shell, an air channel is formed between the outer periphery of the rotor and the inner periphery of the stator, a ventilation impeller is arranged in the shell in a rotating mode, the size of the stator is phi 190 multiplied by 90mm, the size of the rotor is phi 120 multiplied by 90mm, and the whole weight of the rotor is 9.75 KG. This application has the power that improves the generator to improve the radiating effect's of generator effect.

Description

Gasoline power generation equipment and generator

Technical Field

The application relates to the field of power generation equipment, in particular to gasoline power generation equipment and a generator.

Background

The generator is mechanical equipment for converting energy in other forms into electric energy, and the generator has wide application in industrial and agricultural production and daily life.

The working principle of the generator is based on the law of electromagnetic induction and the law of electromagnetic force, and the generator is generally composed of a stator, a rotor, an end cover, a bearing and the like.

In view of the above-mentioned related technologies, the inventor believes that the stator and the rotor continuously generate heat during the continuous operation of the existing generator, and needs to provide stable heat dissipation to ensure the long-term continuous and stable operation of the generator.

SUMMERY OF THE UTILITY MODEL

In order to improve the radiating effect of generator, this application provides a petrol power generation equipment and generator.

In a first aspect, the present application provides a generator, which adopts the following technical scheme:

the utility model provides a generator, includes casing, front end housing, stator, rotor and rear end housing, be equipped with the ventilation hole on the rear end housing, be equipped with the vent on the front end housing, ventilation hole and vent intercommunication casing's inside and external, be equipped with the wind channel between the periphery of rotor and the interior week of stator, the casing internal rotation is equipped with ventilation impeller.

Through adopting above-mentioned technical scheme, the ventilation impeller rotates, stirs the air of its week side to make the air flow in ventilation hole, vent and wind channel, and then directly cool off stator, rotor in the casing, with the radiating effect who improves the generator.

Optionally, the size of the stator is phi 190 × 90mm, the size of the rotor is phi 120 × 90mm, the overall weight of the rotor is 9.75KG, and the size of the rear end cover is matched with the size of the stator.

Through adopting above-mentioned technical scheme for the power of generator increases to 3.1KW, and increases the heat radiating area of rear end cover department, in high-power electricity generation, for the generator provides stable heat dissipation, is favorable to the stable operation of generator.

Optionally, the ventilation impeller is coaxially connected to the rotor.

Through adopting above-mentioned technical scheme, the ventilation impeller rotates along with the rotor all the time, and the generator during operation promptly, the air flows in the casing all the time to direct cooling stator, rotor, and need not complicated drive mechanism.

Optionally, a rectifier bridge is arranged in the rear end cover, and the ventilation impeller rotates to enable air to flow along the direction from the ventilation hole, the air channel to the ventilation hole.

Through adopting above-mentioned technical scheme, in the generator working process, the rectifier bridge can produce a large amount of heats, and at this moment, external cold air contacts the rectifier bridge at first to guarantee the cooling effect to the rectifier bridge, avoid the rectifier bridge overheated.

Optionally, the motor rotor further comprises a mounting frame, the mounting frame is arranged between the shell and the rear end cover, the rectifier bridge is fixedly connected to the mounting frame, and the rotor is rotatably connected to the mounting frame.

By adopting the technical scheme, the maintenance of the rectifier bridge is convenient.

Optionally, a support is arranged on the periphery of the mounting frame and used for abutting against the ground.

Through adopting above-mentioned technical scheme, when maintaining, maintaining to rectifier bridge, need pull down the rear end cover, this in-process, the support is stable all the time and is supported on subaerial to keep static, the personnel of being convenient for are to maintenance, maintenance of rectifier bridge.

Optionally, a connecting hole is formed in the end face of the front end cover, the connecting hole and the rotor are coaxially arranged, and the connecting hole is used for power input.

In a second aspect, the present application provides a gasoline power plant, which adopts the following technical solution:

a gasoline power generation device comprises a gasoline engine and the generator.

Optionally, a connecting hole is formed in the end face of the front end cover, the connecting hole and the rotor are coaxially arranged, and a crankshaft of the gasoline engine is rotatably embedded in the connecting hole.

Through adopting above-mentioned technical scheme, utilize the gasoline engine to drive the rotor of generator, the impeller that ventilates rotates, realize the electricity generation to cool off the generator.

Optionally, the vent is located on the circumferential side wall of the front end cover, and reinforcing ribs are further arranged on the circumferential side of the vent.

By adopting the technical scheme, when the gasoline power generation equipment works, the gasoline engine and the generator both generate heat and need to be cooled;

the ventilation opening is positioned on the circumferential side wall of the front end cover, so that hot air on the circumferential side of the gasoline engine is effectively prevented from directly entering the generator; or, hot air blown out of the generator is prevented from directly blowing to the gasoline engine; thereby being beneficial to cooling the gasoline engine and the generator.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the ventilation impeller rotates to stir air on the peripheral side of the ventilation impeller, and the air flows in the ventilation hole, the ventilation opening and the air channel, so that the stator and the rotor in the shell are directly cooled, and the heat dissipation effect of the generator is improved;

2. the ventilation opening is positioned on the circumferential side wall of the front end cover, so that hot air on the circumferential side of the gasoline engine is effectively prevented from directly entering the generator; or, hot air blown out of the generator is prevented from directly blowing to the gasoline engine; thereby being beneficial to cooling the gasoline engine and the generator.

Drawings

Fig. 1 is a schematic view of the overall structure of the generator in the present application.

Fig. 2 is an exploded view of the structure of the generator.

Fig. 3 is an exploded view of the structure between the power shaft and the rotor.

Fig. 4 is a schematic structural view of the rear end cap.

Fig. 5 is an axial view of the housing, stator, and rotor.

Fig. 6 is a schematic view of the overall structure of the gasoline power plant in the present application.

Fig. 7 is a schematic structural view of the gasoline engine.

Fig. 8 is a schematic view of a connection structure between a crankshaft of the gasoline engine and a generator.

Description of reference numerals: 1. a front end cover; 11. connecting blocks; 12. connecting holes; 13. a vent; 14. reinforcing ribs; 2. a housing; 3. a mounting frame; 31. mounting blocks; 32. a support; 4. a rear end cap; 41. a vent hole; 42. a baffle plate; 51. a stator; 52. a rotor; 53. a rectifier bridge; 54. a ventilation slot; 6. a power shaft; 7. a ventilation impeller; 71. a connecting ring; 72. a blade; 73. a fixing ring; 8. an air duct; 9. gasoline engines.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

When the generator is in operation, the generator continuously generates heat, and the heat sources mainly include copper loss (wire resistance heating), iron loss (eddy current heating) and mechanical friction heating. Meanwhile, when the generator operates, the rotor in the generator is driven to rotate by the driving source, and when the driving source adopts a gasoline engine or a diesel engine, heat generated by the driving source can be transferred to the generator.

The embodiment of the application discloses a generator, improves the power of generator to improve the radiating effect of generator.

Referring to fig. 1, a generator includes a front end cover 1, a housing 2, a mounting frame 3, and a rear end cover 4, which are sequentially arranged in an axial direction.

Referring to fig. 2, the connecting blocks 11 are circumferentially arranged at intervals on the outer periphery of the front end cover 1, the mounting blocks 31 are circumferentially arranged at intervals on the outer periphery of the mounting frame 3, the rod part of the bolt slidably penetrates through the mounting blocks 31 and crosses over the shell 2, and the rod part of the bolt is inserted into the connecting blocks 11 and realizes threaded connection; the screw slides and runs through rear end housing 4, and the screw plug-in connects in mounting bracket 3 and realizes threaded connection, and then realizes the holistic connection of generator housing, and mounting bracket 3's periphery still is equipped with support 32, and support 32 is used for butt ground to support the generator.

Referring to fig. 2, a stator 51 is coaxially embedded in the housing 2, a rotor 52 is coaxially embedded in the stator 51 in a rotating manner, a rotor shaft is coaxially embedded in the rotor 52, one end of the rotor shaft is rotatably connected to the mounting frame 3, a rectifier bridge 53 is arranged on the mounting frame 3, and the rectifier bridge 53 is coupled to the rotor 52.

Referring to fig. 3, a connecting hole 12 is formed in an end face of the front end cover 1, the connecting hole 12 and the rotor 52 are coaxially arranged, the power shaft 6 is rotatably embedded in the connecting hole 12, and a bolt coaxially penetrates through the rotor shaft and is fixedly connected to the power shaft 6.

Referring to fig. 2 and 3, the power shaft 6 is used for inputting power to drive the rotor 52 to rotate, the rotor 52 rotates in the stator 51, induced current is generated and input into the rectifier bridge 53, and the current is rectified and output.

Referring to fig. 2 and 3, a ventilation impeller 7 is further arranged at one end, away from the mounting frame 3, of the rotor 52 in the front end cover 1, the size of the ventilation impeller 7 is phi 172 mm, and the ventilation impeller 7 is sleeved on the power shaft 6 and rotates along with the power shaft.

Referring to fig. 2 and 4, the rear end cover 4 is provided with vent holes 41 at intervals on an axial end surface thereof.

Referring to fig. 2 and 5, ventilation grooves 54 are provided on both the outer periphery of the stator 51 and the outer periphery of the rotor 52, the ventilation grooves 54 axially penetrate the stator 51 and the rotor 52, and the air duct 8 is formed between the outer periphery of the stator 51 and the inner periphery of the housing 2 and between the outer periphery of the rotor 52 and the inner periphery of the stator 51.

Referring to fig. 2 and 3, the circumferential side wall of the front end cover 1 is provided with the vents 13 at intervals, the power shaft 6 rotates to drive the ventilation impeller 7 to rotate, so that outside air flows in through the vents 41, after the rectifier bridge 53 is cooled, the air flows along the air duct 8 to cool the stator 51 and the rotor 52, and finally, under the driving of the ventilation impeller 7, the air in the air duct 8 flows out through the vents 13 to complete the cooling of the generator.

In the embodiment, the size of the stator 51 is improved from phi 160 × 120mm to phi 190 × 90mm, the size of the rotor 52 is improved from phi 95 × 120mm to phi 120 × 90mm, the size of the rotor shaft is improved from phi 24 × 239.2mm to phi 28 × 220.8mm, and the overall weight of the rotor 52 and the rotor shaft is increased from 7.87KG to 9.75KG, so that the power of the generator is increased from original 2.7KW to 3.1KW, meanwhile, the size of the rear end cover 4 is matched with the size of the stator 51, and the heat dissipation area is increased by 30%.

The ventilation impeller 7 includes a connection ring 71, blades 72, and a fixing ring 73. The connecting ring 71 is coaxially sleeved on the power shaft 6; a plurality of blades 72 are fixed on the periphery of the connecting ring 71, and all the blades 72 are arranged along the circumferential direction of the connecting ring 71; the fixing ring 73 is arranged coaxially with the connecting ring 71, the fixing ring 73 is located at one end of the blade 72 in the axial direction of the connecting ring 71, the periphery of the fixing ring 73 is flush with one end, away from the connecting ring 71, of the blade 72, namely the outer diameter of the fixing ring 73 is phi 172 mm, the inner diameter of the fixing ring 73 is larger than the outer diameter of the connecting ring 71, and then a space for air to pass through is reserved between the fixing ring 73 and the connecting ring 71.

When the ventilating impeller 7 rotates, air between the blades 72 is thrown out in the radial direction, so that negative pressure is generated between the blades 72, and air on one axial side of the ventilating impeller 7 is sucked in and supplemented between the blades 72, thereby completing cooling of the generator.

Referring to fig. 2 and 4, a baffle plate 42 is further arranged on the end face of the rear end cover 4 departing from the mounting frame 3, the baffle plate 42 is used for covering the ventilation opening 13, the generator is placed on the ground, and when the support is realized through the support 32, the rear end cover 4 is connected to the upper end of the baffle plate 42, the lower end of the baffle plate 42 inclines towards the direction far away from the mounting frame 3, and then an interval for air to pass through is formed between the lower end of the baffle plate 42 and the end face of the rear end cover 4.

Referring to fig. 2 and 3, the peripheral side of the vent 13 is further provided with a reinforcing rib 14, so that the strength of the front end cover 1 meets the use requirement.

The implementation principle of the generator in the embodiment of the application is as follows: the rear end cover 4 is provided with a vent hole 41, the front end cover 1 is provided with a vent hole 13, an air duct 8 is arranged between the outer periphery of the rotor 52 and the inner periphery of the stator 51 and between the outer periphery of the stator 51 and the inner periphery of the shell 2, a ventilation impeller 7 is rotatably arranged in the front end cover 1, the ventilation impeller 7 rotates, so that outside air flows in through the vent hole 41 and flows along the air duct 8 to cool the stator 51 and the rotor 52, and finally, under the driving of the ventilation impeller 7, the air in the air duct 8 flows out through the vent hole 13 to finish cooling of the generator.

The embodiment of the application also discloses a gasoline power generation device.

Referring to fig. 6, the gasoline power plant includes a gasoline engine 9 and the above-described generator.

Referring to fig. 7 and 8, the crankshaft of the gasoline engine 9 is inserted into the connecting hole 12 of the front end cover 1, that is, in this embodiment, the crankshaft of the gasoline engine 9 is the power shaft 6 of the generator to realize power input. And the front end cover 1 is used for supporting the crankshaft.

The implementation principle of the gasoline power generation equipment in the embodiment of the application is as follows: the crankshaft of the gasoline engine 9 is a power shaft 6 of the generator to realize power input and complete power generation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A generator comprises a shell (2), a front end cover (1), a stator (51), a rotor (52) and a rear end cover (4), and is characterized in that: be equipped with ventilation hole (41) on rear end housing (4), be equipped with vent (13) on front end housing (1), ventilation hole (41) and vent (13) communicate the inside and the external world of casing (2), be equipped with wind channel (8) between the periphery of rotor (52) and the interior week of stator (51), casing (2) internal rotation is equipped with ventilation impeller (7).

2. The generator of claim 1, wherein: the size of the stator (51) is phi 190 multiplied by 90mm, the size of the rotor (52) is phi 120 multiplied by 90mm, the overall weight of the rotor (52) is 9.75KG, and the size of the rear end cover (4) is matched with the size of the stator (51).

3. The generator of claim 1, wherein: the ventilation impeller (7) is coaxially connected to the rotor (52).

4. The generator of claim 1, wherein: a rectifying bridge (53) is arranged in the rear end cover (4), and the ventilation impeller (7) rotates to enable air to flow along the direction from the ventilation hole (41), the air channel (8) to the ventilation opening (13).

5. The generator of claim 4, wherein: still include mounting bracket (3), between casing (2) and rear end cap (4) are located in mounting bracket (3), rectifier bridge (53) fixed connection is on mounting bracket (3), just rotor (52) are rotated and are connected mounting bracket (3).

6. The generator of claim 5, wherein: the periphery of mounting bracket (3) is equipped with support (32), support (32) are used for butt ground.

7. The generator of claim 1, wherein: the end face of the front end cover (1) is provided with a connecting hole (12), the connecting hole (12) and the rotor (52) are coaxially arranged, and the connecting hole (12) is used for power input.

8. A gasoline power plant characterized by: comprising a gasoline engine (9) and a generator according to any of claims 1-6.

9. The gasoline power plant of claim 8, characterized in that: the end face of the front end cover (1) is provided with a connecting hole (12), the connecting hole (12) and the rotor (52) are coaxially arranged, and a crankshaft of the gasoline engine (9) is rotatably embedded into the connecting hole (12).

10. The gasoline power plant of claim 9, characterized in that: vent (13) are located the lateral wall of front end housing (1) circumference, the week side of vent (13) still is equipped with strengthening rib (14).