CN214464520U

CN214464520U - Cooling structure of generator set

Info

Publication number: CN214464520U
Application number: CN202120036374.4U
Authority: CN
Inventors: 朱剑雄; 王梁; 陈祥; 马华峰; 梁伟; 孙斌; 易昌容
Original assignee: ZHEJIANG YAOFENG POWER TECHNOLOGY CO LTD
Current assignee: ZHEJIANG YAOFENG POWER TECHNOLOGY CO LTD
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-22
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a generating set's cooling structure, its characterized in that: the air inlet is formed in the left side of the lower portion of the shell, the air outlet is formed in the right side of the shell, a plurality of air guide plates are arranged at the position of the air inlet, an air outlet cover is arranged at the position of the air outlet, a cooling module is arranged at the position, located above the air inlet, inside the shell, a unit shell is arranged inside the shell, an engine is arranged in the middle of the unit shell, the engine divides the inside of the unit shell into an air inlet cavity and an air outlet cavity, and the air inlet cover is arranged on the left side of the unit shell. The utility model discloses optimize the flow path of air, strengthened the cooling effect to the engine.

Description

Cooling structure of generator set

Technical Field

The utility model relates to a generating set equipment field, concretely relates to generating set's cooling structure.

Background

The generator set mainly comprises an engine, a generator, a frequency converter, a silencer and other auxiliary devices, can convert chemical energy of fuel oil into electric energy, and has wide application in industrial and agricultural production, national defense, science and technology and daily life, for example: the system comprises a plurality of occasions such as field operation, emergency power utilization, disaster relief, outdoor life and travel, a yacht and vehicle self-contained power supply, a mobile communication base station and the like. The engine converts chemical energy released by combustion into mechanical energy during operation of the generator, which is accompanied by the generation of a large amount of thermal energy. To ensure the generator set operates normally, a good ventilation environment is required to allow the engine to be cooled sufficiently. The cooling design of the existing generator set is that the cooling air duct is only arranged on one side of the engine and cools the engine on the side, so that the cooling effect is insufficient, the temperature of the engine is easy to rise, and the running efficiency is influenced.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide a generating set's cooling structure.

In order to achieve the above object, the present invention provides the following technical solutions:

a cooling structure of a generator set comprises a shell, wherein an air inlet is arranged on the left side of the lower portion of the shell, an air outlet is arranged on the right side of the shell, a plurality of air deflectors are arranged at the air inlet, an air outlet cover is arranged at the air outlet, a cooling module is arranged above the air inlet inside the shell, a unit shell is arranged inside the shell, an engine is arranged in the middle of the unit shell, the engine divides the inner portion of the unit shell into an air inlet cavity and an air outlet cavity, an air inlet cover is arranged on the left side of the unit shell, a stretching disc, an impeller and a generator are arranged in the air inlet cavity along the air flowing direction, a silencer is arranged in the air outlet cavity and communicated with the air outlet, an exhaust pipe is arranged in the silencer, an upper air guiding cover and a lower air guiding cover are respectively arranged above and below the engine, two ends of the upper air guiding cover and the lower air guiding cover are connected with the unit shell, and a first cooling air duct is formed between the upper air guiding cover and the top of the engine, a second cooling air channel is formed between the lower air guide cover and the bottom of the engine, a third cooling air channel is formed between the unit shell and the rear side face of the engine, and the first cooling air channel, the second cooling air channel and the third cooling air channel are communicated with the air inlet cavity and the air outlet cavity.

Preferably, the air deflector is arranged obliquely, so that the air entering through the air inlet flows to the cooling module.

Preferably, the top and the bottom of the engine are both provided with a plurality of air guide sheets which are arranged in parallel, and the air guide sheets are arranged along the air inlet cavity to the air outlet cavity.

Preferably, the upper wind scooper comprises a wind guide seat, a sealing sheet and a sealing seat, the wind guide seat is connected with the left side of the unit shell, a flanging is arranged on the left side of the sealing sheet and is pressed on the right side of the wind guide seat, the sealing seat is connected with the right side of the unit shell, and the left side of the sealing seat is pressed on the right end of the sealing sheet.

Preferably, the fixing piece comprises an installation piece, a connecting piece perpendicular to the installation piece and a fixing piece perpendicular to the connecting piece, the fixing piece and the installation piece are located at the front end and the rear end of the connecting piece and located at the left side and the right side of the connecting piece, the fixing piece is Z-shaped and fixed to the unit shell through bolts, the side face of the silencer is connected with the fixing plate, and the fixing plate and the fixing piece are connected through bolts.

Preferably, a circle of sealing ring is sleeved at the position, opposite to the air outlet cover, of the unit shell, and the air outlet cover is pressed on the sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that: the air flow path is optimized, the cooling effect on each position of the engine is strengthened, the temperature is reduced when the engine operates, the stability of the engine during operation is improved, and the output power of the generator set is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2

Fig. 4 is a sectional view of the housing of the middle unit of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

FIG. 6 is a schematic structural view of a first cooling air duct and a second cooling air duct of the present invention;

fig. 7 is a top view of the housing of the middle unit of the present invention;

fig. 8 is a bottom view of the housing of the middle unit of the present invention;

fig. 9 is a schematic structural view of a third cooling air duct in the present invention;

fig. 10 is a schematic view of the installation structure of the muffler of the present invention;

fig. 11 is a schematic structural diagram of the middle fixing member of the present invention.

Reference numerals: a housing 1; an engine 2; an air inlet cavity 3; an air outlet cavity 4; an upper wind scooper 5; a wind guide seat 51; a sealing plate 52; a turned-over edge 521; a seal seat 53; a lower wind scooper 6; a first cooling air channel 7; a second cooling air duct 8; an air inlet cover 9; an exhaust pipe 10; a unit case 111; an air inlet 12; an air outlet 13; an air deflector 14; a cooling module 15; a pull cord reel 16; an impeller 17; a generator 18; a muffler 19; an air outlet housing 20; a seal strip 201; a wind guide sheet 21; a third air duct 22; a fixing member 23; a mounting piece 231; a connecting sheet 232; a fixing piece 233; a fixed plate 24; a seal ring 25; sealing groove 251.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-8, a cooling structure of a generator set comprises a housing 1, an air inlet 12 is disposed on the left side of the lower portion of the housing 1, an air outlet 13 is disposed on the right side of the housing 1, a plurality of air deflectors 14 are disposed at the air inlet 12, an air outlet cover 20 is disposed at the air outlet 13, a cooling module 15 is disposed inside the housing 1 and above the air inlet 12, a unit housing 11 is disposed inside the housing 1, an engine 2 is disposed in the middle of the unit housing 11, the engine 2 divides the inside of the unit housing 11 into an air inlet chamber 3 and an air outlet chamber 4, an air inlet cover 9 is disposed on the left side of the unit housing 11, a drawing plate 16, an impeller 17 and a generator 18 are disposed in the air inlet chamber 3 along the air flowing direction, the air outlet chamber 4 is communicated with the air outlet 13, a silencer 19 is disposed in the air outlet chamber 4, the silencer 19 is mounted on the unit housing 11 through a fixing member 23, and an exhaust pipe 10 is disposed in the silencer 19, an upper wind scooper 5 and a lower wind scooper 6 are respectively arranged above and below the engine 2, two ends of the upper wind scooper 5 and the lower wind scooper 6 are connected with the unit shell 11, a first cooling air channel 7 is formed between the upper wind scooper 5 and the top of the engine 2, a second cooling air channel 8 is formed between the lower wind scooper 6 and the bottom of the engine 2, a third cooling air channel 22 is formed between the unit shell 11 and the rear side face of the engine 2, and the first cooling air channel 7, the second cooling air channel 8 and the third cooling air channel 22 are communicated with the air inlet cavity 3 and the air outlet cavity 4.

The air deflector 14 is obliquely arranged, so that air entering through the air inlet 12 flows to the cooling module 15, and the air is cooled at the first time.

The top and the bottom of the engine 2 are both provided with a plurality of air guide sheets 21 which are arranged in parallel, and the air guide sheets 21 are arranged along the direction from the air inlet cavity 3 to the air outlet cavity 4. The air guide pieces 21 guide the flow direction of the cooling air, so that the cooling air flows along the air inlet cavity 3 to the air outlet cavity 4.

The upper wind scooper 5 comprises a wind guide seat 51, a sealing sheet 52 and a sealing seat 53, the wind guide seat 51 is connected with the left side part of the unit shell 11, a flange 521 is arranged on the left side of the sealing sheet 52, the flange 521 is pressed on the right side part of the wind guide seat 51, the sealing seat 53 is connected with the right side part of the unit shell 11, and the left side part of the sealing seat 53 is pressed on the right end of the sealing sheet 52. The air guide seat 51, the sealing sheet 52 and the sealing seat 53 are matched to form a sealed upper air guide cover 5 above the engine cylinder body 2.

The left end of the lower wind scooper 6 is positioned outside the left part of the unit casing 11, the right end is positioned inside the right part of the unit casing 11, and the sealing positions of the left end and the right end are different, so that the sealing performance can be improved.

The fixing part 23 comprises a mounting piece 231, a connecting piece 232 perpendicular to the mounting piece 231 and a fixing piece 233 perpendicular to the connecting piece 232, the fixing piece 233 and the mounting piece 231 are located at the front end and the rear end of the connecting piece 232, the fixing piece 233 and the mounting piece 231 are located at the left side and the right side of the connecting piece 232, the fixing part 23 is in a Z shape, the mounting piece 231 is fixed with the unit shell 11 through bolts, a fixing plate 24 is connected to the side face of the silencer 19, and the fixing plate 24 is connected with the fixing piece 233 through bolts.

The position of the unit shell 11 opposite to the air outlet cover 20 is sleeved with a circle of sealing ring 25, the air outlet cover 20 is in interference fit with the sealing ring 25 to form a sealing effect, air leakage can be effectively prevented, and cooling is facilitated.

The sealing ring 25 is provided with a sealing groove 251, the air outlet cover 20 is provided with a sealing strip 201 capable of being inserted into the sealing groove 251, and the sealing strip 201 is matched with the sealing groove 251 to enhance the sealing effect.

Air enters the housing 1 through the air inlet 12 to the cooling module 15, and the air is cooled by the cooling module 15. The cooled air enters the air inlet cavity 3 of the unit shell 11 through the air inlet cover 9, cools the pull rope disc 16 and the generator 18, and bypasses the engine 2 through the first cooling air duct 7, the second cooling air duct 8 and the third cooling air duct 22 to reach the air outlet cavity 4, so that the upper portion, the lower portion and the side face of the engine 2 are cooled. The cooling air cools the muffler 19 in the air outlet cavity 4 and then is discharged from the air outlet 13. The flow path of the air is optimized, the cooling effect is improved, and therefore the output power of the generator set is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A cooling structure of a generator set is characterized in that: the air conditioner comprises a shell (1), wherein an air inlet (12) is formed in the left side of the lower portion of the shell (1), an air outlet (13) is formed in the right side of the shell (1), a plurality of air guide plates (14) are arranged at the position of the air inlet (12), an air outlet cover (20) is arranged at the position of the air outlet (13), a cooling module (15) is arranged at a position, located above the air inlet (12), inside the shell (1), a unit shell (11) is arranged inside the shell (1), an engine (2) is arranged at the middle position of the unit shell (11), the engine (2) divides the inside of the unit shell (11) into an air inlet cavity (3) and an air outlet cavity (4), an air inlet cover (9) is arranged on the left side of the unit shell (11), a stretching disc (16), an impeller (17) and a generator (18) are arranged in the air inlet cavity (3) along the air flowing direction, the air outlet cavity (4) is communicated with the air outlet (13), a silencer (19) is arranged in the air outlet cavity (4), the muffler (19) is arranged in the unit shell (11) through a fixing piece (23), an exhaust pipe (10) is arranged in the muffler (19), an upper wind scooper (5) and a lower wind scooper (6) are respectively arranged above and below the engine (2), the two ends of the upper wind scooper (5) and the lower wind scooper (6) are connected with the unit shell (11), a first cooling air channel (7) is formed between the upper air guiding cover (5) and the top of the engine (2), and a second cooling air channel (8) is formed between the lower air guide cover (6) and the bottom of the engine (2), a third cooling air channel (22) is formed between the unit shell (11) and the rear side face of the engine (2), and the first cooling air channel (7), the second cooling air channel (8) and the third cooling air channel (22) are communicated with the air inlet cavity (3) and the air outlet cavity (4).

2. The cooling structure of a generator set according to claim 1, wherein: the air deflector (14) is obliquely arranged, so that air entering through the air inlet (12) flows to the cooling module (15).

3. The cooling structure of a generator set according to claim 1, wherein: the top and the bottom of the engine (2) are both provided with a plurality of air guide sheets (21) which are arranged in parallel, and the air guide sheets (21) are arranged along the air inlet cavity (3) towards the air outlet cavity (4).

4. The cooling structure of a generator set according to claim 1, wherein: the upper air guiding cover (5) comprises an air guiding seat (51), a sealing sheet (52) and a sealing seat (53), the air guiding seat (51) is connected with the left side of the unit shell (11), a flanging (521) is arranged on the left side of the sealing sheet (52), the flanging (521) is pressed on the right side of the air guiding seat (51), the sealing seat (53) is connected with the right side of the unit shell (11), and the left side of the sealing seat (53) is pressed on the right end of the sealing sheet (52).

5. The cooling structure of a generator set according to claim 1, wherein: the left end of the lower wind scooper (6) is positioned outside the left part of the unit shell (11), and the right end of the lower wind scooper is positioned inside the right part of the unit shell (11).

6. The cooling structure of a generator set according to claim 1, wherein: fixing piece (23) including installation piece (231), with installation piece (231) looks vertically connection piece (232), with connection piece (232) looks vertically stationary blade (233), stationary blade (233) and installation piece (231) are located the front and back both ends of connection piece (232), stationary blade (233) and installation piece (231) are located the left and right sides of connection piece (232), installation piece (231) are fixed mutually with unit housing (11) through the bolt, silencer (19) side connection has fixed plate (24), be connected through the bolt between fixed plate (24) and stationary blade (233).

7. The cooling structure of a generator set according to claim 1, wherein: the air outlet cover is characterized in that a circle of sealing ring (25) is sleeved at the position, opposite to the air outlet cover (20), of the unit shell (11), and the air outlet cover (20) is pressed on the sealing ring (25).