CN112796878B - Generating set with corrosion-resistant heat dissipation and noise reduction functions - Google Patents

Generating set with corrosion-resistant heat dissipation and noise reduction functions Download PDF

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Publication number
CN112796878B
CN112796878B CN202110256608.0A CN202110256608A CN112796878B CN 112796878 B CN112796878 B CN 112796878B CN 202110256608 A CN202110256608 A CN 202110256608A CN 112796878 B CN112796878 B CN 112796878B
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China
Prior art keywords
shell
fan
air
layer
condensing coil
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CN202110256608.0A
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CN112796878A (en
Inventor
刘春梁
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Fujian Runda Power Machinery Co ltd
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Fujian Runda Power Machinery Co ltd
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Publication of CN112796878A publication Critical patent/CN112796878A/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
    • F01N13/007—Apparatus used as intake or exhaust silencer
    • 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
    • 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
    • F01P9/00—Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00
    • F01P9/06—Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00 by use of refrigerating apparatus, e.g. of compressor or absorber type
    • 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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/008—Sound insulation

Abstract

The invention relates to the field of diesel generators, in particular to a high-heat-dissipation mute diesel generator set; through the shell that sets up multilayer structure in generating set body outside, make the noise lose the medium of outside transmission through vacuum layer wherein, and reach further silence effect through multilayer sound absorbing layer, through set up the air intake in a shell side, the condensing coil of fan is set up in air intake department, blow in the shell with outside air through the fan in, the air passes through condensing coil, make moisture in the air condense before getting into the shell on the one hand, on the other hand makes the air obtain the cooling, thereby blow in dry cold wind to the shell, cool down for generating set, avoid moisture in the air to cause generating set part to corrode, set up the silencer through the blast pipe at the engine, avoid the noise to spread from the blast pipe, improvement through above-mentioned structure, make diesel generating set have the effect of high heat dissipation and silence.

Description

Generating set with corrosion-resistant heat dissipation and noise reduction functions
The invention patent named as a high-heat-dissipation silent diesel generator set is a divisional application carried out by taking an invention patent with the application date of 2018, 12 and 24 and the application number of 201811581171.2 as a parent case.
Technical Field
The invention relates to the field of diesel generators, in particular to a high-heat-dissipation mute diesel generator set.
Background
The diesel generator set is a complete set of mechanical equipment for converting mechanical energy of a diesel engine into electric energy, and consists of a power system, a control system, a silencing system, a damping system and an exhaust system, wherein the diesel engine is used for driving the diesel engine to convert the energy generated by combustion of the diesel into the mechanical energy to be transmitted to a generator, the mechanical energy is converted into the electric energy by the generator and then is output to electric equipment for use, and the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life.
In the actual use process of the generator set, a large amount of heat can be released by combustion of diesel oil and the like, the heat energy is unavailable, the generator set needs to be radiated in time, otherwise, the unit equipment can be damaged due to overhigh temperature, and the service life of parts is shortened.
The box body of the existing diesel generator is only used as a shell of the diesel generator, so that the box body plays a role in beauty and protection, and cannot reduce noise.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a high-heat-dissipation mute diesel generator set is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the invention relates to a high-heat-dissipation mute diesel generator set which comprises a base, a generator set body, a silencer, a fan, a condensing coil and a shell.
The generator set is fixed on the base, and the lower end of the shell is hermetically connected with the edge of the base, so that the shell is covered outside the generator set body;
the shell is rectangular and comprises a panel layer, a first sound absorption layer, a vacuum layer, a partition plate layer and a second sound absorption layer which are sequentially arranged from outside to inside;
an air inlet is formed in one side face of the shell, a fan and a condensing coil are arranged at the air inlet, and the condensing coil is arranged in the wind direction of the fan;
an air outlet is formed in one side, opposite to the air inlet, of the shell;
the generator set body comprises a generator body, an engine and a diesel tank, the generator body is arranged on the base in the direction towards the air inlet, the engine and the diesel tank are arranged on the base in the direction towards the air outlet, the power output end of the engine is connected with the power input end of the generator, and the oil outlet of the diesel tank is connected with the oil inlet of the engine;
and the air inlet end of the silencer is connected with the exhaust end of the engine through a pipeline.
The invention has the beneficial effects that: in the high-heat-dissipation mute diesel generator set structure provided by the invention, the shell with a multi-layer structure is arranged outside the generator set body, the medium which is transmitted outwards is lost by the noise through the vacuum layer, the further silencing effect is achieved through the multiple sound absorbing layers, the air inlet is arranged on one side surface of the shell, the air inlet is provided with a condensing coil of a fan, external air is blown into the shell by the fan, the air passes through the condensing coil, on one hand, moisture in the air is condensed before entering the shell, on the other hand, the air is cooled, thereby blowing dry cold air into the shell to cool the generator set, avoiding the corrosion of the generator set parts caused by the moisture in the air, the silencer is arranged on the exhaust pipe of the engine, noise is prevented from being transmitted out of the exhaust pipe, and the diesel generator set is enabled to have high heat dissipation and mute effects through the improvement of the structure.
Drawings
Fig. 1 is a transverse cross-sectional view of a high heat dissipation silence diesel generator set according to an embodiment of the present invention;
FIG. 2 is a sectional view of the high heat dissipation silence diesel generating set of FIG. 1 in the direction of A;
fig. 3 is a top view of a high heat dissipation silence diesel generator set according to an embodiment of the present invention;
description of reference numerals:
1. a base; 2. a generator set body; 21. a generator body; 22. an engine; 23. a diesel tank; 3. a muffler; 4. a fan; 5. a condenser coil; 6. a housing; 61. a panel layer; 62. a first sound absorbing layer; 63. a vacuum layer; 64. a separator layer; 65. a second sound absorbing layer; 66. an air inlet; 67. an air outlet;
68. a through hole; 7. a first sound absorbing baffle; 8. a second sound absorbing baffle.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: external air is blown into the shell through the fan, and the air passes through the condensing coil pipe, so that moisture in the air is condensed before entering the shell; through set up multilayer structure's shell in generating set body outside, make the noise lose the medium of outside transmission through the vacuum layer wherein to reach further silence effect through multilayer sound absorbing layer.
Referring to fig. 1 to 3, the invention relates to a high heat dissipation silence diesel generator set, which comprises a base 1, a generator set body 2, a silencer 3, a fan 4, a condensing coil 5 and a shell 6.
The generator set is fixed on the base, and the lower end of the shell 6 is hermetically connected with the edge of the base 1, so that the shell 6 covers the generator set body 2;
the shell 6 is rectangular, and the shell 6 comprises a panel layer 61, a first sound absorption layer 62, a vacuum layer 63, a partition layer 64 and a second sound absorption layer 65 which are sequentially arranged from outside to inside;
an air inlet 66 is formed in one side face of the shell 6, a fan 4 and a condensing coil 5 are arranged at the air inlet 66, and the condensing coil 5 is arranged in the wind direction of the fan 4;
an air outlet 67 is formed in one side, opposite to the air inlet 66, of the shell 6;
the generator set body 2 comprises a generator body 21, an engine 22 and a diesel tank 23, the generator body 21 is arranged on the base 1 in the direction towards the air inlet 66, the engine 22 and the diesel tank 23 are arranged on the base 1 in the direction towards the air outlet 67, the power output end of the engine 22 is connected with the power input end of the generator, and the oil outlet of the oil tank is connected with the oil inlet of the engine 22;
the intake end of the muffler 3 is connected to the exhaust end of the engine 22 through a pipe.
In the high heat dissipation silent diesel generator set structure, the shell 6 with a multilayer structure is arranged outside the generator set body 2, the noise loses the medium transmitted outwards through the vacuum layer 63, and further silencing effect is achieved through the multilayer sound absorbing layer, the air inlet 66 is arranged on one side surface of the shell 6, the condensing coil 5 of the fan 4 is arranged at the air inlet 66, the outside air is blown into the shell 6 through the fan 4, the air passes through the condensing coil 5, on one hand, moisture in the air is condensed before entering the shell 6, on the other hand, the air is cooled, so that dry cold air is blown into the shell 6 to cool the generator set, the corrosion of generator set parts caused by the moisture in the air is avoided, the silencer 3 is arranged on the exhaust pipe of the engine 22, the noise is prevented from being transmitted out from the exhaust pipe, and the improvement of the structure is realized, the diesel generator set has the effects of high heat dissipation and silence.
Further, in the above high heat dissipation silence diesel generator set structure, the inner side of the air inlet 66 is provided with the first sound absorbing baffle 7, and the first sound absorbing baffle 7 is provided with a wave crest sponge layer towards the direction of the fan 4.
Known by the above description, through set up first sound baffle 7 of inhaling in air intake 66 inboard, be equipped with the crest sponge layer in the direction of first sound baffle 7 towards fan 4 of inhaling, make fan 4 when blowing in the cold wind in to shell 6, cold wind is cushioned by first sound baffle 7 of inhaling, thereby each part of generating set is slowly entered into from inhaling sound baffle both sides, make cold wind cover each part of generating set body 2 more evenly, on the other hand, the crest sponge on the first sound baffle 7 of inhaling can noise absorption, further improve diesel generating set's silence effect.
Further, in the above-mentioned high heat dissipation silence diesel generating set structure, the inboard of air outlet 67 is equipped with the second and inhales sound baffle 8, the second is inhaled sound baffle 8 and is equipped with the crest sponge layer towards the direction of fan 4.
As can be seen from the above description, the second sound-absorbing baffle 8 is arranged on the inner side of the air outlet 67, and the wave crest sponge layer is arranged on the second sound-absorbing baffle 8 towards the direction of the fan 4, so that the cold air continues to stay in the housing 6 under the action of the second sound-absorbing baffle 8 before being blown out from the air outlet 67, and the cold air stays in the housing 6 for a period of time more than necessary to absorb heat generated by the generator set body 2 during operation; on the other hand, the wave crest sponge on the second sound-absorbing board can absorb noise, and the silencing effect of the diesel generator set is further improved.
Further, in the above-mentioned high heat dissipation silence diesel generating set structure, condenser coil 5 is connected with refrigeration plant, be equipped with the coolant liquid in the condenser coil 5.
As can be seen from the above description, the cooling liquid is contained in the condensing coil 5, and the cooling liquid evaporates and absorbs heat when passing through the condensing coil 5 by a refrigeration device such as a compressor, so as to cool the ambient air.
Further, in the above-mentioned high heat dissipation silence diesel generating set structure, the top of shell 6 is equipped with through-hole 68, the through-hole 68 is worn to locate by the end of giving vent to anger of silencer 3.
As can be seen from the above description, the air outlet end of the muffler 3 extends through the through hole 68 on the top of the housing 6, so that the exhaust gas in the exhaust pipe of the engine 22 is exhausted through the top of the housing 6 after being muffled by the muffler 3, thereby reducing the noise generated by the exhaust gas and further improving the silencing effect.
Further, in the above-mentioned high heat dissipation silence diesel generating set structure, through-hole 68 department is equipped with the sealing washer.
As can be seen from the above description, the sealing ring is disposed at the through hole 68, so that the outer side of the air outlet end of the muffler 3 is hermetically connected with the inner wall of the through hole 68, thereby preventing the internal noise from being transmitted from the through hole 68, and further improving the silencing effect.
Further, in the above-mentioned high heat dissipation silence diesel generating set structure, be equipped with temperature controller and converter in the shell 6, the converter is connected with fan 4 electricity, temperature controller is connected with the converter electricity.
As can be seen from the above description, the temperature in the casing 6 is sensed by the temperature controller, so that the rotating speed of the fan 4 is controlled by the frequency converter, when the temperature in the casing 6 is higher, the rotating speed of the fan 4 is increased, otherwise, the rotating speed of the fan 4 is reduced.
Further, in the high heat dissipation silence diesel generating set structure, first sound absorbing layer 62 is the cotton layer of slay, second sound absorbing layer 65 is the crest sponge layer.
Known from the above description, first sound absorbing layer 62 is the cotton layer of slay, second sound absorbing layer 65 is the crest sponge layer, and the noise is through the space of ripple still surface course, and the space is mostly the inside open pore that link up, receives air molecule friction and viscous resistance to and tiny fibre makes mechanical vibration, thereby make the acoustic energy change into heat energy, thereby reach the effect of inhaling the sound and making an uproar, the ripple can increase the area of contact with the sound wave, reach better silence effect, first layer of attracting does not set up the thickness on corrugated purpose in the reduction first layer of attracting.
Example 1
A high heat dissipation silence diesel generating set, includes base 1, generating set body 2, silencer 3, fan 4, condenser coil 5 and shell 6.
The generator set is fixed on the base, and the lower end of the shell 6 is hermetically connected with the edge of the base 1, so that the shell 6 covers the generator set body 2;
the shell 6 is rectangular, and the shell 6 comprises a panel layer 61, a first sound absorption layer 62, a vacuum layer 63, a partition layer 64 and a second sound absorption layer 65 which are sequentially arranged from outside to inside;
an air inlet 66 is formed in one side face of the shell 6, a fan 4 and a condensing coil 5 are arranged at the air inlet 66, and the condensing coil 5 is arranged in the wind direction of the fan 4;
an air outlet 67 is formed in one side, opposite to the air inlet 66, of the shell 6;
the generator set body 2 comprises a generator body 21, an engine 22 and a diesel tank 23, the generator body 21 is arranged on the base 1 in the direction towards the air inlet 66, the engine 22 and the diesel tank 23 are arranged on the base 1 in the direction towards the air outlet 67, the power output end of the engine 22 is connected with the power input end of the generator, and the oil outlet of the oil tank is connected with the oil inlet of the engine 22;
the intake end of the muffler 3 is connected to the exhaust end of the engine 22 through a pipe.
The inner side of the air inlet 66 is provided with a first sound absorption baffle 7, and the first sound absorption baffle 7 is provided with a wave crest sponge layer towards the direction of the fan 4.
The inboard of air outlet 67 is equipped with the second and inhales sound baffle 8, the second is inhaled sound baffle 8 and is equipped with the crest sponge layer towards the direction of fan 4.
The condensing coil 5 is connected with a refrigerating device, and cooling liquid is arranged in the condensing coil 5.
The top of the shell 6 is provided with a through hole 68, and the air outlet end of the muffler 3 penetrates through the through hole 68.
And a sealing ring is arranged at the through hole 68.
And a temperature controller and a frequency converter are arranged in the shell 6, the frequency converter is electrically connected with the fan 4, and the temperature controller is electrically connected with the frequency converter.
The first sound absorbing layer 62 is a slag wool layer, and the second sound absorbing layer 65 is a wave crest sponge layer.
In summary, in the high heat dissipation silent diesel generator set structure provided by the invention, the multi-layer structure of the shell is arranged outside the generator set body, the medium which is transmitted outwards is lost by the noise through the vacuum layer, the further silencing effect is achieved through the multiple sound absorbing layers, the air inlet is arranged on one side surface of the shell, the air inlet is provided with a condensing coil of a fan, external air is blown into the shell by the fan, the air passes through the condensing coil, on one hand, moisture in the air is condensed before entering the shell, on the other hand, the air is cooled, thereby blowing dry cold air into the shell to cool the generator set, avoiding the corrosion of the generator set parts caused by the moisture in the air, the silencer is arranged on the exhaust pipe of the engine, noise is prevented from being transmitted out of the exhaust pipe, and the diesel generator set is enabled to have high heat dissipation and mute effects through the improvement of the structure.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (3)

1. A high heat dissipation silence diesel generating set is characterized by comprising a fan, a condensing coil and a shell;
the shell comprises a panel layer, a slag wool layer, a vacuum layer, a partition plate layer and a wave crest sponge layer which are sequentially arranged from outside to inside; the wave crest sponge layer is provided with an opening hole communicated with the inside;
an air inlet is formed in one side face of the shell, a fan and a condensing coil are arranged at the air inlet, and the condensing coil is arranged in the wind direction of the fan;
an air outlet is formed in one side, opposite to the air inlet, of the shell;
a first sound absorption baffle is arranged on the inner side of the air inlet, and a wave crest sponge layer is arranged in the direction of the first sound absorption baffle towards the fan;
a second sound-absorbing baffle is arranged on the inner side of the air outlet, and a wave crest sponge layer is arranged in the direction of the second sound-absorbing baffle towards the fan;
the top of shell is equipped with the through-hole, and the end of giving vent to anger of silencer wears to locate the through-hole.
2. The high-heat-dissipation mute diesel generator set according to claim 1, wherein the condensing coil is connected with a refrigeration device, and a cooling liquid is provided in the condensing coil.
3. The high-heat-dissipation mute diesel generator set according to claim 1, wherein a temperature controller and a frequency converter are arranged in the housing, the frequency converter is electrically connected with the fan, and the temperature controller is electrically connected with the frequency converter.
CN202110256608.0A 2018-12-24 2018-12-24 Generating set with corrosion-resistant heat dissipation and noise reduction functions Active CN112796878B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110256608.0A CN112796878B (en) 2018-12-24 2018-12-24 Generating set with corrosion-resistant heat dissipation and noise reduction functions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811581171.2A CN109404127B (en) 2018-12-24 2018-12-24 High-heat-dissipation mute diesel generator set
CN202110256608.0A CN112796878B (en) 2018-12-24 2018-12-24 Generating set with corrosion-resistant heat dissipation and noise reduction functions

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201811581171.2A Division CN109404127B (en) 2018-12-24 2018-12-24 High-heat-dissipation mute diesel generator set

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CN112796878A CN112796878A (en) 2021-05-14
CN112796878B true CN112796878B (en) 2022-08-05

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Publication number Priority date Publication date Assignee Title
CN109882290A (en) * 2019-03-26 2019-06-14 江苏台普动力机械有限公司 A kind of noise-reduced diesel generator group noise elimination mechanism
CN111102047A (en) * 2019-11-22 2020-05-05 广西柳工机械股份有限公司 SCR urea case heat abstractor
CN112814774B (en) * 2021-03-21 2022-08-19 重庆峰聂机械有限公司 Disconnect-type engine housing with high-efficient heat dissipation function
CN115045755B (en) * 2022-06-15 2023-10-27 无锡优能机械有限公司 Super air-cooled mute generator set box

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JPH10159582A (en) * 1996-11-28 1998-06-16 Isuzu Ceramics Kenkyusho:Kk Noise insulating structure of engine
CN2833994Y (en) * 2005-09-27 2006-11-01 潍坊柴油机厂 Low-noise diesel generator set
CN202250383U (en) * 2011-09-06 2012-05-30 广东西电动力科技股份有限公司 Automatic control noise-proof diesel power generating set
CN103547125A (en) * 2013-10-28 2014-01-29 双悦（福建）动力机械有限公司 High-dehumidification electric generator set box body
CN103711338A (en) * 2013-12-21 2014-04-09 洛阳星光发电设备有限公司 Ultra-silent diesel generating set machine room and noise control method
CN207609479U (en) * 2017-12-08 2018-07-13 厦门彼奥动力科技有限公司 A kind of diesel generating set heat dissipation silencing means

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CN112796878A (en) 2021-05-14
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