CN206860286U - Lightweight mute type diesel generating set - Google Patents

Abstract

The utility model relates to a lightweight silent diesel generator set, which mainly includes a casing and an engine located in the casing, a worm gear fan, a radiator, a generator and a chassis oil tank, and the worm gear fan is installed between the radiator and the engine. And it is connected with the output shaft of the engine to suck in the external cold wind and cool the coolant in the radiator. The turbofan is located in the air guide cover, and the air guide cover communicates with the air outlet on the cover to discharge the hot air. The oil tank is fixed on the chassis of the unit, and its oil outlet is connected with the oil inlet of the engine. The air inlet of the generator is located on the back wall, and the air outlet is located under the chassis. A generator is installed at the rear end of the generator The wind deflector, the bottom of the generator wind deflector communicates with the air outlet. The utility model improves the heat dissipation structure inside the diesel generating set, and effectively balances the contradiction between quietness and heat dissipation of the diesel generating set.

Description

Lightweight silent diesel generator set

technical field

The utility model belongs to the manufacturing field of diesel generating sets, in particular to a lightweight and silent diesel generating set.

Background technique

Diesel generator set is a kind of power generation equipment with diesel as the main fuel. The diesel engine is used as the driving force to drive the generator (ie electric ball) to generate electricity and convert kinetic energy into electrical energy and thermal energy. Diesel generator sets have the disadvantages of large vibration and high noise during operation. In order to reduce the noise of the diesel generator set, the general silent diesel generator set is equipped with a silent cover. The engine, generator, radiator and control system of the diesel generator set are all installed inside the silent cover, and the noise reduction entrance and exit are set inside the silent cover. Air duct, etc., to reduce the noise emitted by the diesel generator set when it is working.

At present, in order to achieve a certain noise reduction effect for diesel generator sets, it is usually necessary to install a relatively large silent cover, and paste a certain thickness of sound-absorbing cotton inside the silent cover, making the entire unit bulky and heavy. How to design a diesel generator set structure that can meet the environmental noise emission standards, have good heat dissipation performance and light weight at the same time has become an important issue in the current industry.

Utility model content

The technical problem to be solved by the utility model is to provide a light-weight and silent diesel generator set for the above-mentioned prior art, which can reduce noise, have smaller volume and lighter weight, can be installed in different occasions, and has good mobility.

The technical solution adopted by the utility model to solve the above-mentioned problems is: a lightweight and silent diesel generator set, which mainly includes a casing and an engine located in the casing, a turbo fan, a radiator, a generator and a chassis oil tank, the engine, The generator and chassis oil tank are fixedly installed on the unit chassis of the casing, the radiator is installed at the air inlet opened on the back panel of the casing, the turbofan is installed between the radiator and the engine, and is connected with the output shaft of the engine. Inhale the external cold air and cool the coolant in the radiator. The turbofan is located in the air guide cover, and the air guide cover communicates with the air outlet on the cover to discharge the hot air. The radiator passes the water inlet pipe and the return pipe. The water pipe is connected with the coolant casing of the engine; the smoke outlet of the engine is connected with the muffler through the smoke exhaust pipe, and the outlet of the muffler is connected with the smoke exhaust opening on the side top of the casing; the chassis oil tank is fixed on the unit chassis The oil outlet is connected with the oil inlet of the engine, the air inlet of the generator is located on the back panel, and the air outlet is located under the chassis. A generator air guide cover is installed at the rear end of the generator to generate electricity. The bottom of the machine air guide cover communicates with the air outlet.

Preferably, an openable door panel for maintenance is provided on the side of the casing where the air outlet is opened.

Preferably, the radiator is fixed on the casing through a radiator partition, and the radiator partition is located between the radiator and the turbofan, and ventilation holes are opened on the radiator partition.

Preferably, the wind guide cover includes a mounting plate for fixing the turbofan, wind deflectors are arranged on three edges of the mounting plate, and an air guide opening communicated with the air outlet is formed on the other edge.

Preferably, the turbofan includes a circular fan bottom plate fixedly mounted on the output shaft of the motor, arc-shaped blades and a fixing ring, an installation hole is opened on the fan bottom plate, the fixing ring is arranged in parallel with the fan bottom plate, and the arc-shaped blades are uniform Spaced between the fixed ring and the fan bottom plate, one side of the turbo fan's fixed ring faces the radiator, and the two ends of the arc-shaped blades are rotatably inserted in the fixed ring and the fan bottom plate.

Preferably, the included angle between the arc-shaped blade and the outer edge of the fixing ring or the fan bottom plate is between 45°-80°.

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

The utility model improves the heat dissipation structure inside the diesel generating set, and effectively balances the contradiction between quietness and heat dissipation of the diesel generating set.

Description of drawings

Figure 1 is a schematic diagram of the whole machine of the silent diesel generator set (1).

Figure 2 is a schematic diagram of the whole machine of the silent diesel generator set (2).

Figure 3 is a top view of the silent diesel generator set (the upper cover of the generator set is hidden).

Figure 4 is a top view of the silent diesel generator set (hiding the top cover of the unit and the muffler box) and a schematic diagram of the air duct and waterway.

Fig. 5 is a schematic diagram of the structure of the radiator partition.

Fig. 6 is a schematic diagram of the structure of the wind guide cover.

Fig. 7 is a structural schematic diagram of a turbofan.

Figure 8 is a schematic diagram of the cooling system of the generator.

Fig. 9 is a schematic diagram of the structure of the wind deflector of the generator.

in:

1. Engine, 2. Turbofan, 3. Radiator, 4. Air inlet, 5. Air outlet, 6. Water inlet pipe, 7. Return pipe, 8. Unit chassis, 9. Radiator partition, 10. Air guide Hood, 11. Top cover, 12. Front panel, 13. Rear panel, 14. Door panel, 15. Generator, 16. Generator air guide cover, 17. Smoke outlet, 18. Muffler, 19. Exhaust Smoke pipe, 20. Chassis oil tank.

detailed description

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 9, a lightweight and silent diesel generator set mainly includes an engine 1, a turbofan 2, a radiator 3, an air inlet 4, an air outlet 5, a water inlet pipe 6, a water return pipe 7, and a unit chassis 8. Radiator partition 9, wind guide hood 10, top cover 11, dash panel 12, rear panel 13, door panel 14, generator 15, generator wind guide cover 16, smoke outlet 17, muffler 18, Smoke exhaust pipe 19, chassis fuel tank 20.

The diesel engine 1 is fixed on the chassis 8 of the unit, and is isolated from the external environment by a casing composed of an upper top cover 11 , a front panel 12 , a rear panel 13 and a door panel 14 . The air inlet 4 adopts a louver structure and is arranged at the front end of the back wall 13 to prevent dust and rainwater from entering the unit. The air outlet 5 is arranged on the right side of the back wall 13 . Simultaneously, turbofan 2 is installed in engine 1 rear end wind deflector 10 inside, links to each other with the output shaft of engine 1, under the effect of engine, turbofan 2 sucks the cold wind of external environment in the wind deflector 10, will be placed in heat dissipation. The coolant in the radiator 3 on the radiator partition 9 is effectively cooled, and the hot blast is discharged from the air outlet 5. The radiator 3 is arranged on the radiator partition 9 and is connected with the coolant casing of the engine 1 through the water inlet pipe 6 and the water outlet pipe 7. The casing pipe and the radiator 3 circulate, and the heat generated by the engine 1 is discharged into the air through the coolant and the radiator 3, so that the engine 1 is cooled and dissipated. The smoke outlet of the engine 1 is connected to the muffler 18 through the exhaust pipe 19, and the outlet of the muffler 18 is connected to the exhaust outlet 17 provided on the side top of the casing; the chassis oil tank 20 is fixed on the unit chassis 8, and its The oil outlet communicates with the oil inlet of the engine 1 .

The structural design of the generator 15, the generator 15 is fixed on the unit chassis 8, and is isolated from the external environment by the casing formed by the upper roof 11, the front panel 12, the rear panel 13 and the door panel 14. The air inlet of the generator 15 is located on the back panel 13 , and the air outlet is located below the chassis 8 . When the unit is in use, the cooling air enters from the chassis generator air inlet, and passes through the generator, the generator wind guide cover 16, and the chassis 8 air outlets successively. This effectively improves the overall cooling effect of the generator and ensures the reliability of the diesel generator set. The generator wind guide 16 is installed at the rear end of the generator 15 , and an air guide connected to the air outlet of the chassis 8 is provided at the bottom of the generator wind guide 16 .

Above-mentioned radiator dividing plate 9 is positioned between radiator 3 and turbofan 2, offers ventilating hole 9.1 on radiator dividing plate 9, and the cold wind of outside enters by air inlet and arrives at the air guide hood where turbofan is located through ventilating hole, so The wind guide cover 10 includes a mounting plate 10.1 for fixing the turbofan 2, a wind deflector 10.2 is arranged on three edges of the mounting plate 10.1, and an air guide port 10.3 communicating with the air outlet 5 is formed on the other edge, The windshield 10.2 gathers the hot air passing through the radiator 3 in the air guide cover, prevents it from entering other places of the unit, and finally discharges it through the air guide port 10.3 and the air outlet 5. The function of the turbofan 2 is to suck the external cold air into the unit, cool the coolant in the radiator, and discharge the hot air formed by heat exchange at the same time. It includes a circular fan bottom plate fixedly installed on the output shaft of the motor 2.1. The arc-shaped blade 2.2 and the fixing ring 2.3 are provided with installation holes on the fan bottom plate 2.1. The output shaft of the motor is connected to the turbo fan through the installation hole. The fixed ring 2.3 is arranged parallel to the fan bottom plate 2.1, and the arc-shaped blades 2.2 are evenly spaced. Between the fixed ring 2.3 and the fan bottom plate 2.1, one side of the fixed ring 2.3 of the turbofan 2 faces the radiator 3, and the two ends of the arc-shaped blade 2.2 are rotatably inserted on the fixed ring 2.3 and the fan bottom plate 2.1, so that The angle of the blade can be adjusted, so that the exhaust air volume can be adjusted. The angle here refers to the angle between the curved blade 2.2 and the outer edge of the fixed ring 2.3 or the fan bottom plate 2.1, and the angle range is between 45°-80° .

In addition to the above-mentioned embodiments, the utility model also includes other implementation modes, and any technical solution formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the utility model.

Claims (6)

1. A lightweight and silent diesel generator set, characterized in that it mainly includes a casing and an engine (1), turbofan (2), radiator (3), generator (15) and The chassis oil tank (20), the engine (1), the generator (15) and the chassis oil tank (20) are fixedly installed on the unit chassis (8) of the casing, and the radiator (3) is installed on the rear wall of the casing (13) At the air inlet (4) opened above, the turbofan (2) is installed between the radiator (3) and the engine (1), and is connected with the output shaft of the engine (1), sucking in the external cold air and blowing it to the radiator ( 3) to cool the cooling liquid, the turbofan (2) is located in the air guide cover (10), and the air guide cover (10) communicates with the air outlet (5) opened on the cover to discharge the hot air, and the heat dissipation The device (3) is connected to the coolant casing of the engine (1) through the water inlet pipe (6) and the return pipe (7); the smoke outlet of the engine (1) is connected to the muffler (18) through the smoke exhaust pipe (19) The outlet of the muffler (18) is connected with the smoke outlet (17) on the top of the side of the casing; the chassis oil tank (20) is fixed on the unit chassis (8), and its oil outlet is connected to the engine (1) The oil inlet of the generator (15) is connected, the air inlet of the generator (15) is located on the back panel (13), the outlet is located under the chassis (8), and a generator guide is installed at the rear end of the generator (15). The wind cover (16), the bottom of the generator wind guide cover (16) communicates with the air outlet. 2. A light-weight and silent diesel generator set according to claim 1, characterized in that: an openable door panel (14) for maintenance is provided on the side of the casing where the air outlet (5) is opened ). 3. A lightweight and silent diesel generator set according to claim 1, characterized in that: the radiator (3) is fixed on the casing through the radiator partition (9), and the radiator partition ( 9) It is located between the radiator (3) and the turbofan (2), and a ventilation hole (9.1) is opened on the radiator partition (9). 4. A light-weight and silent diesel generator set according to claim 1, characterized in that: the wind guide cover (10) includes a mounting plate (10.1) for fixing the turbofan (2), in the Three edges of the mounting plate (10.1) are provided with windshields (10.2), and the other edge is formed with an air guide (10.3) connected to the air outlet (5). 5. A light-weight and silent diesel generator set according to claim 1, characterized in that: the turbofan (2) includes a circular fan bottom plate (2.1) fixed on the output shaft of the motor, an arc-shaped The blades (2.2) and the fixing ring (2.3) are provided with installation holes on the fan bottom plate (2.1), the fixing ring (2.3) is arranged parallel to the fan bottom plate (2.1), and the arc-shaped blades (2.2) are evenly spaced on the fixing ring ( 2.3) and the fan bottom plate (2.1), the side of the fixed ring (2.3) of the turbo fan (2) faces the radiator (3), and the two ends of the arc-shaped blades (2.2) are rotatably inserted in the fixed ring (2.3) and fan base plate (2.1). 6. A lightweight and silent diesel generator set according to claim 5, characterized in that: the clip between the arc-shaped blade (2.2) and the outer edge of the fixing ring (2.3) or the fan bottom plate (2.1) The angle range is between 45°-80°.