CN110821648A - Diesel generating set with low noise - Google Patents

Diesel generating set with low noise Download PDF

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Publication number
CN110821648A
CN110821648A CN201911207963.8A CN201911207963A CN110821648A CN 110821648 A CN110821648 A CN 110821648A CN 201911207963 A CN201911207963 A CN 201911207963A CN 110821648 A CN110821648 A CN 110821648A
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CN
China
Prior art keywords
low
noise
box
air
engine
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Withdrawn
Application number
CN201911207963.8A
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Chinese (zh)
Inventor
彭高飞
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Individual
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Individual
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Priority to CN201911207963.8A priority Critical patent/CN110821648A/en
Publication of CN110821648A publication Critical patent/CN110821648A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P2001/005—Cooling engine rooms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
    • F02B2063/045—Frames for generator-engine sets

Abstract

The invention discloses a diesel generator set with low noise, which comprises an engine, wherein the left side and the right side of the engine are respectively connected with a left generator and a right generator; the bottom of the engine is connected with a low-noise box bottom plate, and an air inlet pipe of the engine is connected with an air filter element air inlet pipe; the upper part of the engine is connected with a cylinder head front induced draft frame and a cylinder head rear induced draft frame; the right ends of the cylinder head front air inducing frame and the cylinder head rear air inducing frame are respectively connected with a heat dissipation air inducing box; the right end of the heat dissipation air guide box is connected with a rear cavity cover of a silencer cavity; a front air guide pipe of a silencer is connected with an exhaust port of the cylinder head of the engine; the right end of the front air guide pipe of the silencer is connected with a multi-section silencer; a low-noise sound box left box cover plate and a low-noise right box cover plate are arranged on the low-noise box base plate; the low-noise sound box chassis is connected with a low-noise upper cover box. The invention has simple structure, lower noise, higher power, stronger loading capacity, lighter weight and better various performance parameters of output power under the condition of not increasing the volume.

Description

Diesel generating set with low noise
Technical Field
The invention relates to the field of generator sets, in particular to a diesel generator set with low noise.
Background
With the continuous improvement of human living standard, the requirement of human on environment is also continuously improved, and higher requirements are provided for noise pollution generated by the operation of a standby generator set in a standby power supply.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the diesel generator set which is simple in structure, practical and low in noise.
The invention is realized by the following modes:
the utility model provides a diesel generating set that noise is little which characterized in that: the device comprises an engine, wherein the left side and the right side of the engine are respectively connected with a left generator and a right generator; the left generator comprises a left stator and a left rotor, the left stator is fixed on a connecting disc, and the connecting disc is connected to the left side of the engine; the left rotor is connected with a left crankshaft of the engine, and the left stator is positioned in the left rotor; the left rotor is connected with a left air suction fan; the left side of the engine is connected with a left air guide cover, and the left air guide cover covers the left stator, the left rotor and the left air suction fan;
the right generator comprises a right air guide shell, a right stator and a right rotor, and the right air guide shell is arranged on a spigot of a right side cover of the engine; the right stator is arranged on an inner spigot of the right air guide shell; the right rotor is connected with a right crankshaft of the engine; the right stator is positioned in the right rotor; the right rotor is connected with a right air suction fan; the right side of the right air guide shell is connected with a right air inlet cover plate;
the bottom of the engine is connected with a low-noise sound box chassis through a shock absorption frame, and an air inlet pipe of the engine is connected with an air filter element air inlet pipe; the upper part of the engine is connected with a cylinder head front air inducing frame and a cylinder head rear air inducing frame; the right ends of the cylinder head front air inducing frame and the cylinder head rear air inducing frame are respectively connected with a heat dissipation air inducing box; the right end of the heat dissipation air guide box is connected with a rear cavity cover of a silencer cavity; a front air guide pipe of a silencer is connected to an exhaust port of the cylinder head of the engine; the front air guide pipe of the silencer penetrates through the heat dissipation air guide box; the right end of the front air guide pipe of the silencer is connected with a multi-section silencer; a low-noise sound box left box cover plate and a low-noise right box cover plate are arranged on the low-noise box base plate, and the low-noise right box cover plate is connected with the rear cavity cover of the silencer cavity; the low-noise sound box base plate is connected with a low-noise upper cover box, and the left end and the right end of the low-noise upper cover box are respectively connected with a low-noise sound box left box cover plate and a low-noise sound box right box cover plate; a frequency converter is arranged on the low-noise box bottom plate; the frequency converter is close to the right air inlet cover plate; the low-noise loudspeaker box comprises a low-noise loudspeaker box chassis, a low-noise upper cover box, a low-noise box left box cover plate and a low-noise right box cover plate, wherein the low-noise loudspeaker box chassis, the low-noise upper cover box, the low-noise box left box cover plate and the low-noise right box cover plate form a box body, and an engine, a left generator, a right generator cover, a frequency converter, a shock-absorbing frame, a heat dissipation air leading.
Furthermore, an air inlet is formed in the bottom of the heat dissipation air inducing box, and an air inducing plate is arranged on the air inlet.
Further, the left side of the low-noise right box cover plate is connected with a front cavity cover of a silencer cavity; and the right side of the low-noise right box cover plate is provided with a shutter air outlet and a multi-section silencer air outlet matched with the multi-section silencer.
Furthermore, an oil tank is arranged in the low-noise upper cover box and is communicated with the oil inlet end of the engine; and the low-noise upper cover box is provided with a control panel, a front maintenance window door, a rear maintenance window door, a top maintenance window door, an oil filling port, a lifting hook, a front oil tank cooling air inlet and a rear oil tank cooling air inlet.
Furthermore, a right generator air inlet cavity cover plate is arranged on the low-noise box bottom plate, and a right generator airflow inlet cavity is formed at the inner bottom of the right generator air inlet cavity cover plate and the inner bottom of the low-noise box bottom plate; a chassis airflow cavity enclosing plate is arranged on the low-noise box bottom plate; the bottom of the chassis airflow cavity coaming is connected with a chassis airflow cavity cover plate; the chassis airflow cavity coaming plate is provided with a chassis airflow cavity coaming plate right air inlet groove, a chassis airflow cavity coaming plate front right air inlet groove and a chassis airflow cavity coaming plate rear right air inlet groove; the low-noise box bottom plate is provided with a left generator airflow inner air inlet groove and a right generator airflow inner air inlet groove; an air filter element air inlet pipe connecting port communicated with an air filter element air inlet pipe is arranged on the low-noise box base plate; the low-noise sound box chassis is connected with a storage battery through a storage battery rack; a heat dissipation airflow outlet cavity at the bottom of the machine body and an engine air suction inlet are arranged on the bottom plate of the low-noise box; an air inlet flow cavity at the bottom of the chassis is formed at the bottom of the chassis of the low-noise sound box; the bottom of the low-noise sound box chassis is provided with wheels.
Furthermore, wave-shaped sound-absorbing sponges are arranged in the low-noise sound box base plate, the low-noise upper cover box, the low-noise box left box cover plate, the low-noise right box cover plate, the right generator air inlet cavity cover plate, the base airflow cavity enclosing plate and the base airflow cavity cover plate.
Furthermore, a left maintenance window is arranged on the left box cover plate of the low-noise sound box.
The invention has the beneficial effects that: simple structure, under the condition that does not increase the volume, the noise is lower, and the power is bigger, and the area carries the ability stronger, and weight is lighter, and the heat dissipation is faster, and various performance parameters of output power are better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a front view of the structure of the present invention;
FIG. 4 is a rear view of the inventive structure;
FIG. 5 is a front view of a low noise right cover plate structure of the present invention;
FIG. 6 is a right side view of the low noise right box cover plate structure of the present invention;
FIG. 7 is a schematic view of the structure of the low noise box chassis of the present invention;
FIG. 8 is a bottom view of the low noise bin base pan structure of the present invention;
FIG. 9 is a schematic view of the structure of the low noise upper cover box of the present invention;
FIG. 10 is a schematic view of the air duct of the present invention;
FIG. 11 is a front view of the intake of the present invention;
FIG. 12 is an intake side view of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the embodiments of the present invention are not limited to the following examples, and that any changes and/or modifications made thereto will fall within the scope of the present invention.
Example (b):
a diesel generating set with low noise is shown in figures 1 and 2 and comprises an engine 1, wherein the left side and the right side of the engine 1 are respectively connected with a left generator 2 and a right generator 3; the left generator 2 comprises a left stator 2-2 and a left rotor 2-3, the left stator 2-2 is fixed on a connecting disc 2-1, and the connecting disc 2-1 is connected to the left side of the engine 1; the left rotor 2-3 is connected with a left crankshaft 1-1 of the engine 1, and the left stator 2-2 is positioned in the left rotor 2-3; the left rotor 2-3 is connected with a left air suction fan 2-4; the left side of the engine 1 is connected with a left wind scooper 2-5, and the left wind scooper 2-5 covers a left stator 2-2, a left rotor 2-3 and a left air suction fan 2-4 in the engine; the right generator 3 comprises a right wind guide shell 3-1, a right stator 3-2 and a right rotor 3-3, and the right wind guide shell 3-1 is arranged on a spigot of a right side cover of the engine 1; the right stator 3-2 is arranged on an inner spigot of the right air guide shell 3-1; the right rotor 3-3 is connected with a right crankshaft 1-2 of the engine 1; the right stator 3-2 is positioned in the right rotor 3-3; the right rotor 3-3 is connected with a right air suction fan 3-4; the right side of the right air guide shell 3-1 is connected with a right air inlet cover plate 3-5; the bottom of the engine 1 is connected with a low-noise box bottom plate 4 through a shock absorption frame 5, and an air inlet pipe 1-3 of an air filter element is connected to an air inlet pipe of the engine 1; the upper part of the engine 1 is connected with a cylinder head front induced draft frame 1-4 and a cylinder head rear induced draft frame 1-5; the right ends of the cylinder head front induced draft frames 1-4 and the cylinder head rear induced draft frames 1-5 are respectively connected with a heat dissipation induced draft box 7; the right end of the heat dissipation draught box 7 is connected with a muffler cavity rear cavity cover 8; a front air guide pipe 9 of a silencer is connected with an exhaust port of the cylinder head of the engine 1; a front air guide pipe 9 of the silencer passes through the heat dissipation air guide box 7; the right end of the front air guide pipe 9 of the silencer is connected with a multi-section silencer 10; a low-noise sound box left box cover plate 14 and a low-noise right box cover plate 11 are arranged on the low-noise box base plate 4, and the low-noise right box cover plate 11 is connected with the rear cavity cover 8 of the silencer cavity; the low-noise box bottom plate 4 is connected with a low-noise upper cover box 13, and the left end and the right end of the low-noise upper cover box 13 are respectively connected with a low-noise box left box cover plate 14 and a low-noise right box cover plate 11; a frequency converter 12 is arranged on the low-noise box bottom plate 4; the frequency converter 12 is close to the right air inlet cover plate 3-5, and the frequency converter 12 is connected with the control panel 13-2; the low-noise box base plate 4, the low-noise upper cover box 13, the low-noise box left box cover plate 14 and the low-noise right box cover plate 11 form a box body, and the engine 1, the left generator 2, the right generator 3, the frequency converter 12, the shock-absorbing frame 5, the heat-dissipation air-inducing box 7, the silencer front air-guide pipe 9 and the multi-section silencer 10 are covered in the box body; the left box cover plate 14 of the low-noise box is provided with a left maintenance window 14-1.
In this embodiment, as shown in fig. 2, an air inlet 7-1 is formed at the bottom of the heat dissipation air inducing box 7, and an air inducing plate 7-2 is disposed on the air inlet 7-1 for inducing air.
In the embodiment, as shown in fig. 5 and 6, the left side of the low-noise right box cover plate 11 is connected with a muffler cavity front cavity cover 11-1; the right side of the low-noise right box cover plate 11 is provided with a shutter air outlet 11-3 and a multi-section silencer air outlet 11-4 matched with the multi-section silencer 10.
In the embodiment, as shown in fig. 2, 3 and 4, an oil tank 13-1 is arranged in the low-noise upper cover box 13, and the oil tank 13-1 is communicated with the oil inlet end of the engine 1; the low-noise upper cover box 13 is provided with a control panel 13-2, a front maintenance window door 13-3, a rear maintenance window door 13-4, a top maintenance window door 13-5, an oil filling port 13-6, a lifting hook 13-7, a front oil tank cooling air inlet 13-8 and a rear oil tank cooling air inlet 13-9.
In the embodiment, as shown in fig. 7 and 8, a right generator air inlet cavity cover plate 4-1 is arranged on the low-noise box bottom plate 4, and a right generator airflow inlet cavity 4-4 is formed at the inner bottom of the right generator air inlet cavity cover plate 4-1 and the low-noise box bottom plate 4; a chassis airflow cavity enclosing plate 4-2 is arranged on the low-noise box bottom plate 4; the bottom of the chassis airflow cavity coaming 4-2 is connected with a chassis airflow cavity cover plate 4-3; a chassis airflow cavity coaming right air inlet groove 4-2-1, a chassis airflow cavity coaming front right air inlet groove 4-2-2 and a chassis airflow cavity coaming rear right air inlet groove 4-2-3 are arranged on the chassis airflow cavity coaming 4-2; a left generator airflow inner air inlet groove 4-10 and a right generator airflow inner air inlet groove 4-5 are arranged on the low-noise box bottom plate 4; an air filter element air inlet pipe connecting port 4-6 communicated with the air filter element air inlet pipe 1-3 is arranged on the low-noise box bottom plate 4; the low-noise box bottom plate 4 is connected with a storage battery 4-7 through a storage battery rack; a heat dissipation airflow outlet cavity 4-8 at the bottom of the machine body and an engine air suction inlet 4-9 are arranged on the bottom plate 4 of the low noise box; the bottom of the low-noise box bottom plate 4 is provided with a bottom plate bottom air inlet airflow cavity 4-11; and the bottom of the low-noise box bottom plate 4 is provided with wheels 4-0.
In the embodiment, as shown in fig. 9, the low-noise box bottom plate 4, the low-noise upper cover box 13, the low-noise box left box cover plate 14, the low-noise right box cover plate 11, the right generator air inlet cavity cover plate 4-1, the chassis airflow cavity shroud plate 4-2, and the chassis airflow cavity cover plate 4-3 are all provided with a wave-shaped sound-absorbing sponge 15.
In the embodiment, the engine 1, the left generator 2, the right generator 3, the frequency converter 12, the shock absorbing frame 5, the heat dissipation air inducing box 7, the front silencer air guide pipe 9 and the multi-section silencer 10 are covered and arranged in the box body formed by the low-noise sound box chassis 4, the low-noise upper cover box 13, the low-noise box left box cover plate 14 and the low-noise right box cover plate 11, and noise is reduced by the low-noise sound box chassis 4, the heat dissipation air inducing box 7, the rear silencer cavity cover 8, the front silencer air guide pipe 9, the multi-section silencer 10, the front silencer cavity cover 11-1 and the wavy sound absorption sponge 15, so that the purpose of low noise is achieved.
In the present embodiment, as shown in fig. 10, 11, and 12, the air passage is arranged in an air flow cooling direction; when the engine 1 operates and works, a left air suction fan 2-4 of the left generator 2 is driven to suck air through a central air inlet of a left air guiding cover 2-5 of the left generator 2, the air flows are sucked into an air inlet flow chamber 4-11 at the bottom of a chassis from a right air inlet groove 4-2-1 of a chassis airflow chamber bounding wall, a front right air inlet groove 4-2-2 of the chassis airflow chamber bounding wall and a rear right air inlet groove 4-2-3 of the chassis airflow chamber bounding wall, and the air flows are sucked into a left generator 2 for heat dissipation and then sent to an upper cylinder head of the engine 1 for heat dissipation and then enter a heat dissipation air guide box 7 and a lower box body heat dissipation groove of the engine 1 through a left side air inlet groove 4-2-1 of the chassis airflow chamber bounding wall, so that a left air.
When the engine 1 operates and works, a right air suction fan 3-4 of a right generator 3 is driven, air is sucked through a right air inlet cover plate 3-5 of the right generator 3, air flow passes through a right air inlet groove 4-2-1 of a chassis airflow cavity enclosing plate on a low-noise sound box chassis 4, a right air inlet groove 4-2-2 of the front right of the chassis airflow cavity enclosing plate and a right air inlet groove 4-2-3 of the rear right of the chassis airflow cavity enclosing plate, external air flow passes through an air inlet airflow cavity 4-11 at the bottom of the chassis, an air inlet groove 4-5 in airflow of the right generator, the airflow inlet cavity 4-4 of the right generator sucks air flow after heat dissipation in a frequency converter 12 through an air inlet 3-5 of the right air inlet cover plate 3-5 of the right generator 3 to dissipate heat, the airflow after heat dissipation of the right generator 3 passes through an air outlet 3-, The induced draft plate 7-2 is sent into the heat dissipation induced draft box 7 to form an air flow cooling system at the right side of the low noise box.
Engine working air flow cooling system: the air intake of the engine 1 of the low-noise frequency-conversion air-cooled diesel generator set enters through an air intake port 4-9 of the engine, the air is discharged from the combustion chamber of the cylinder head after combustion, air suction and explosion through an air filter element intake pipe connecting port 4-6 on a low-noise sound box chassis 4 after entering the air filter element of the engine 1 from an air filter element intake pipe 1-3 of the engine to the combustion chamber of the cylinder head and burning, air suction and explosion, and then discharged out of the cylinder head, and the discharged air enters a multi-section silencer 10 through a silencer front air guide pipe 9 and is discharged to a multi-section silencer exhaust port 11-4 on the outer side of a low-noise right box cover plate 11 to form an air intake and exhaust air working system of the engine 1.
Cooling airflow circulation of an engine box body: when the chassis bottom air inlet airflow cavity 4-11 conveys cooling airflow to the left generator 2, the airflow radiated at the bottom of the box body of the engine 1 is quickly sucked out through the chassis bottom air inlet airflow cavity 4-8, the sucked airflow is converged into the chassis bottom air inlet airflow cavity 4-11 to radiate the left generator 2, a part of airflow after the left generator 2 radiates is pressed into a heat radiation groove at the bottom of the box body of the engine 1, and returns to the chassis bottom air inlet airflow cavity 4-11 through the box body bottom air outlet airflow cavity 4-8, so that the upward-pressing sucked cooling airflow circulation system of the box body of the engine 1 is formed.
Cooling airflow of an oil tank in the tank body: when the left generator 2 and the right generator 3 suck heat dissipation cooling air in the low-noise box, the two cooling air flows are driven to respectively enter the box body from the front oil tank cooling air inlet 13-8 and the rear oil tank cooling air inlet 13-9, and the heat dissipated from the oil tank 13-1 is taken away when the air flows enter the box body, so that an oil tank cooling air flow system is formed.
Two cooling airflows are converged at the heat dissipation air guide box 7 to dissipate heat of the front air guide pipe 9 of the silencer and enter the silencer cavity to dissipate heat of the multi-section silencer 10, and the airflows with heat pass through the front cavity cover 11-1 of the silencer cavity and flow out from the outer shutter air outlet on the right side of the right box cover plate 11 of the low-noise box to form an air airflow removing system at the rear end of the low-noise box.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a diesel generating set that noise is little which characterized in that: the device comprises an engine (1), wherein the left side and the right side of the engine (1) are respectively connected with a left generator (2) and a right generator (3); the left generator (2) comprises a left stator (2-2) and a left rotor (2-3), the left stator (2-2) is fixed on a connecting disc (2-1), and the connecting disc (2-1) is connected to the left side of the engine (1); the left rotor (2-3) is connected with a left crankshaft (1-1) of the engine (1), and the left stator (2-2) is positioned in the left rotor (2-3); the left rotor (2-3) is connected with a left air suction fan (2-4); the left side of the engine (1) is connected with a left air guide cover (2-5), and the left stator (2-2), the left rotor (2-3) and the left air suction fan (2-4) are covered in the left air guide cover (2-5);
the right generator (3) comprises a right air guide shell (3-1), a right stator (3-2) and a right rotor (3-3), and the right air guide shell (3-1) is arranged on a spigot of a right side cover of the engine (1); the right stator (3-2) is arranged on an inner spigot of the right air guide shell (3-1); the right rotor (3-3) is connected with a right crankshaft (1-2) of the engine (1); the right stator (3-2) is positioned in the right rotor (3-3); the right rotor (3-3) is connected with a right air suction fan (3-4); the right side of the right air guide shell (3-1) is connected with a right air inlet cover plate (3-5);
the bottom of the engine (1) is connected with a low-noise sound box chassis (4) through a shock absorption frame (5), and an air filter element air inlet pipe (1-3) is connected to an air inlet pipe of the engine (1); the upper part of the engine (1) is connected with a cylinder head front air inducing frame (1-4) and a cylinder head rear air inducing frame (1-5); the right ends of the cylinder head front induced draft frame (1-4) and the cylinder head rear induced draft frame (1-5) are respectively connected with a heat dissipation induced draft box (7); the right end of the heat dissipation air inducing box (7) is connected with a muffler cavity rear cavity cover (8); a front air guide pipe (9) of a silencer is connected to an exhaust port of the cylinder head of the engine (1); the front air guide pipe (9) of the silencer penetrates through the heat dissipation air guide box (7); the right end of the front air guide pipe (9) of the silencer is connected with a multi-section silencer (10); a low-noise sound box left box cover plate (14) and a low-noise right box cover plate (11) are arranged on the low-noise sound box chassis (4), and the low-noise right box cover plate (11) is connected with a muffler cavity rear cavity cover (8); the low-noise loudspeaker box chassis (4) is connected with a low-noise upper cover box (13), and the left end and the right end of the low-noise upper cover box (13) are respectively connected with a left low-noise loudspeaker box cover plate (14) and a right low-noise loudspeaker box cover plate (11); a frequency converter (12) is arranged on the low-noise sound box chassis (4); the frequency converter (12) is leaned against the right air inlet cover plate (3-5); the low-noise loudspeaker box comprises a low-noise loudspeaker box chassis (4), a low-noise upper cover box (13), a low-noise loudspeaker box left box cover plate (14) and a low-noise right box cover plate (11) which form a box body, wherein an engine (1), a left generator (2), a right generator (3), a frequency converter (12), a shock absorbing frame (5), a heat dissipation air inducing box (7), a silencer front air inducing pipe (9) and a plurality of sections of silencers (10) are covered in the box body.
2. A low noise diesel generator set according to claim 1, wherein: an air inlet (7-1) is formed in the bottom of the heat dissipation air inducing box (7), and an air inducing plate (7-2) is arranged on the air inlet (7-1).
3. A low noise diesel generator set according to claim 1, wherein: the left side of the low-noise right box cover plate (11) is connected with a front cavity cover (11-1) of a silencer cavity; the right side of the low-noise right box cover plate (11) is provided with a shutter air outlet (11-3) and a multi-section silencer air outlet (11-4) matched with the multi-section silencer (10).
4. A low noise diesel generator set according to claim 1, wherein: an oil tank (13-1) is arranged in the low-noise upper cover box (13), and the oil tank (13-1) is communicated with the oil inlet end of the engine (1); the low-noise upper cover box (13) is provided with a control panel (13-2), a front maintenance window door (13-3), a rear maintenance window door (13-4), a top maintenance window door (13-5), an oil filling port (13-6), a lifting hook (13-7), a front oil tank cooling air inlet (13-8) and a rear oil tank cooling air inlet (13-9).
5. A low noise diesel generator set according to claim 1, wherein: a right generator air inlet cavity cover plate (4-1) is arranged on the low-noise sound box chassis (4), and a right generator airflow inlet cavity (4-4) is formed at the inner bottom of the right generator air inlet cavity cover plate (4-1) and the low-noise sound box chassis (4); a chassis airflow cavity surrounding plate (4-2) is arranged on the low-noise sound box chassis (4); the bottom of the chassis airflow cavity enclosing plate (4-2) is connected with a chassis airflow cavity cover plate (4-3); a chassis airflow cavity coaming right air inlet groove (4-2-1), a chassis airflow cavity coaming front right air inlet groove (4-2-2) and a chassis airflow cavity coaming rear right air inlet groove (4-2-3) are arranged on the chassis airflow cavity coaming (4-2); a left generator airflow inner air inlet groove (4-10) and a right generator airflow inner air inlet groove (4-5) are arranged on the low-noise sound box chassis (4); an air filter element air inlet pipe connecting port (4-6) communicated with an air filter element air inlet pipe (1-3) is arranged on the low-noise sound box chassis (4); the low-noise sound box chassis (4) is connected with a storage battery (4-7) through a storage battery rack; a heat dissipation airflow outlet cavity (4-8) at the bottom of the machine body and an engine air suction inlet (4-9) are arranged on the low-noise sound box chassis (4); an air inlet flow cavity (4-11) at the bottom of the chassis is formed at the bottom of the low-noise sound box chassis (4); the bottom of the low-noise sound box chassis (4) is provided with wheels (4-0).
6. A low noise diesel generator set according to claim 5, wherein: the low-noise sound box comprises a low-noise sound box base plate (4), a low-noise upper cover box (13), a low-noise sound box left box cover plate (14), a low-noise right box cover plate (11), a right generator air inlet cavity cover plate (4-1), a base airflow cavity coaming plate (4-2) and a base airflow cavity cover plate (4-3), wherein wave-shaped sound-absorbing sponges (15) are arranged in the low-noise sound box base plate, the low-noise upper cover box (13.
7. The low-noise diesel generator set of claim 6, wherein: and a left maintenance window (14-1) is arranged on the left box cover plate (14) of the low-noise sound box.
CN201911207963.8A 2019-11-30 2019-11-30 Diesel generating set with low noise Withdrawn CN110821648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911207963.8A CN110821648A (en) 2019-11-30 2019-11-30 Diesel generating set with low noise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911207963.8A CN110821648A (en) 2019-11-30 2019-11-30 Diesel generating set with low noise

Publications (1)

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CN110821648A true CN110821648A (en) 2020-02-21

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Family Applications (1)

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CN201911207963.8A Withdrawn CN110821648A (en) 2019-11-30 2019-11-30 Diesel generating set with low noise

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Country Link
CN (1) CN110821648A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107420191A (en) * 2016-03-15 2017-12-01 斯太尔动力有限责任公司 Generating equipment for Mobile solution
CN114790938A (en) * 2021-01-26 2022-07-26 丁士才 Energy-saving air-cooled diesel digital generator set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107420191A (en) * 2016-03-15 2017-12-01 斯太尔动力有限责任公司 Generating equipment for Mobile solution
CN114790938A (en) * 2021-01-26 2022-07-26 丁士才 Energy-saving air-cooled diesel digital generator set

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Application publication date: 20200221