CN111089016B - Noise reduction structure of container unit - Google Patents

Noise reduction structure of container unit Download PDF

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Publication number
CN111089016B
CN111089016B CN202010198523.7A CN202010198523A CN111089016B CN 111089016 B CN111089016 B CN 111089016B CN 202010198523 A CN202010198523 A CN 202010198523A CN 111089016 B CN111089016 B CN 111089016B
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CN
China
Prior art keywords
exhaust
silencing
engine
noise reduction
air
Prior art date
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Active
Application number
CN202010198523.7A
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Chinese (zh)
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CN111089016A (en
Inventor
殷爱军
殷爱伟
刘永启
曹政坤
陈光亮
侯跃艳
李建勇
陈化
程晶晶
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Shandong Supermaly Power Technology Co ltd
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Shandong Supermaly Power Technology Co ltd
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Priority to CN202010198523.7A priority Critical patent/CN111089016B/en
Publication of CN111089016A publication Critical patent/CN111089016A/en
Application granted granted Critical
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/11Thermal or acoustic insulation
    • F02B77/13Acoustic insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/02Layer formed of wires, e.g. mesh
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/14Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/067Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/24Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/103Metal fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/108Rockwool fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/10Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00Containers; Receptacles

Abstract

The utility model provides a structure of making an uproar falls in container unit, includes container and the engine of setting in the container is inside, wherein, the inside compound puigging that is equipped with of container outer wall includes: the air conditioner comprises an air inlet silencing room, a machine cabin, an air exhaust silencing room, a noise reduction shutter, a silencing layer, an exhaust fan and an intelligent control module. The box body is divided into a plurality of bins, designated equipment is arranged in the corresponding bins to separate the equipment, the space of a single bin is reduced, the composite silencer is arranged in the air inlet silencing chamber, and the composite sound insulation layer with a multilayer structure is arranged in the side wall of the box body, so that the noise reduction efficiency of the side wall of the box body can be effectively improved. Meanwhile, the intelligent control module is added, so that the whole operation condition in the container can be detected in detail, and the operation state of each component can be automatically controlled according to the detection result, so that the container unit can work in the most appropriate state, the resources are saved, and the application range of the container collecting and packing machine is expanded.

Description

Noise reduction structure of container unit
Technical Field
The invention relates to the technical field of noise reduction of generators, in particular to a noise reduction structure of a container unit.
Background
With the rapid development of national economy and the continuous improvement of the living standard of people in China, the power utilization in a plurality of infrastructure sites and occasions in living facilities relates to the problem of keeping uninterrupted power supply under the condition of no power grid power supply.
As a backup power source for a power supply network, container type power generating sets have been used in various fields. Meanwhile, with the continuous improvement of the environmental protection requirement, the problem of noise reduction of the container type generator set is urgently needed to be solved; although the silent generator set is generally adopted at present, the existing sound absorption and insulation facilities cannot meet the noise reduction requirement, and noise pollution can be caused to the surrounding environment.
For a diesel generator set, the noise is high, noise pollution can be generated during working, and the current environment-friendly requirement can be met only by adopting technical measures to reduce the noise of the diesel generator set to be lower than the noise requirement specified by the current national standard. Therefore, as a standby power supply of a power supply network, the diesel generator set with the sound box is largely used due to the characteristic of low noise, and particularly, in places with strict requirements on environmental noise, such as hospitals, hotels, high-grade communities, large shopping malls and the like, low noise (or noise reduction of a machine room) is used as an important technical index requirement when the diesel generator set is purchased. The prior silent sound box in the market is designed by adopting a traditional welding structure, so that the maintainability is poor, the process is complex, the production efficiency is low, the silent sound box is not suitable for mass production line production, the noise index is kept at about 85dB (A), the power of the silent sound box can only be suitable for the application of units of 800kW and below, the units of above 800kW have large size, and the heavy silent sound box cannot meet the condition, and the prior silent sound box cannot meet the current market demand.
In the equipment container in the prior art, the single-layer rock wool plugboard is adopted in the design of the wall board for sound insulation and noise reduction, and higher requirements are provided for sound insulation and noise reduction of the box body due to the reasons of equipment, environment, customers and the like, and the wall board structure of the existing equipment container cannot meet new sound insulation requirements.
Disclosure of Invention
Therefore, the invention provides a noise reduction structure of a container unit, which is used for solving the problem that the container unit in the prior art cannot efficiently reduce the noise of an engine unit in a box body.
In order to achieve the above object, the present invention provides a noise reduction structure for a container unit, including a container and an engine disposed inside the container, wherein a composite sound insulation layer is disposed inside an outer wall of the container, and the interior of a container body is divided into a plurality of chambers by partition plates, and each chamber is provided with a sound insulation device, including:
the air inlet silencing chamber is used for eliminating air inlet noise of the container unit, and a composite silencer is arranged in the air inlet silencing chamber and is used for silencing the air inlet silencing chamber;
the engine compartment is positioned on the right side of the air inlet silencing chamber, and an engine is arranged in the engine compartment;
and the exhaust silencing chamber comprises a first exhaust silencing chamber and a second exhaust silencing chamber, wherein the first exhaust silencing chamber is arranged on the right side of the cabin chamber and used for eliminating noise of exhaust air in the container, and the second exhaust silencing chamber is arranged on the upper side of the cabin chamber and used for eliminating noise generated by the engine.
The noise reduction shutter is arranged on the side wall of the container and comprises an air inlet shutter and an air exhaust shutter, wherein the air inlet shutter is arranged on the left side wall of the air inlet silencing chamber, and the air exhaust shutter is arranged on the right side wall of the first air exhaust silencing chamber; the air inlet shutter and the air exhaust shutter are respectively provided with an electric rotating shaft, and when the electric rotating shafts rotate, the electric rotating shafts can drive the blades on the air inlet shutter and the air exhaust shutter to rotate so as to adjust the opening degrees of the blades of the air inlet shutter and the air exhaust shutter;
the silencing layer comprises an air inlet silencing layer and an air exhaust silencing layer; wherein, the air intake silencing layer is horizontally arranged in the air intake silencing chamber; the exhaust silencing layer is arranged at the top of the first exhaust silencing chamber; the connection part of each silencing layer and the inner side wall of the case is provided with a motor, and when the motor rotates, the silencing layers rotate along with the motor to be paved at a designated position or stored on the side wall of the case body;
an exhaust fan disposed in a through groove provided between the first exhaust muffling chamber and the cabin;
the intelligent control module is arranged on the engine, and is externally connected with a sound probe and a temperature probe on the engine and used for respectively detecting the noise and the operating temperature generated when the engine operates; the intelligent control module is connected with the electric rotating shaft and used for adjusting the opening angles of the air inlet shutter and the air exhaust shutter by controlling the electric rotating shaft to rotate; the intelligent control module is respectively connected with each motor and used for controlling the motors to enable the silencing layer to rotate at the connection position so as to enable the silencing layer to be paved at a specified position or to be contained in the side wall of the box body; the intelligent control module is connected with the exhaust fan and used for controlling the rotating speed of the exhaust fan so as to control the flow rate of the air in the box body;
further, before using the container unit, the intelligent control module prestores an allowable noise range of the engineAnd allowable temperature rangeAnd operating noise to the engine when the engine is operatingAnd operating temperatureAnd (3) detection:
when running noiseOut of maximum allowable noise rangeWhen the noise reduction blind window is closed, the intelligent control module controls the motor to rotate, so that the noise reduction layer is paved at a specified position, and simultaneously controls the electric rotating shaft to retract the noise reduction blind window;
when running noiseBelow the minimum allowable noise rangeWhen the noise reduction shutter is opened, the intelligent control module can control the motor to rotate, so that the noise reduction layer is accommodated on the side wall of the box body, and simultaneously, the intelligent control module can control the electric rotating shaft to open the noise reduction shutter;
when operating temperature is highOut of the maximum allowable temperature rangeWhen the noise reduction shutter is opened, the intelligent control module controls the exhaust fan to increase the rotating speed so as to accelerate the air flow in the box body, and simultaneously controls the electric rotating shaft so as to open the noise reduction shutter;
when operating temperature is highBelow a minimum allowable temperature rangeIn time, the intelligent control module can control the exhaust fan to reduce the rotating speed so as to slow down the air flow in the box body, and meanwhile, the intelligent control module can control the exhaust fan to reduce the rotating speed so as to reduce the air flow in the box bodyAnd controlling the electric rotating shaft to enable the noise reduction shutter to be retracted.
Furthermore, the intelligent control module and the connecting wires of all the components are attached to the inner wall of the box body 1 in a wiring mode.
Furthermore, the noise reduction layer is a layer of cellucotton, two layers of screen plates are arranged on the outer surface of the cellucotton, and the screen plates are respectively arranged on two sides of the cellucotton and respectively arranged in the corresponding chambers to fix the cellucotton at a specified position.
Furthermore, a through hole is formed in a partition plate between the air inlet silencing chamber and the engine room and used for loading an output pipeline of the composite silencer, and the outer diameter of the output pipeline of the composite silencer is smaller than the diameter of the through hole so that air in the air inlet silencing chamber can enter the engine room through a gap between the through hole and the output pipeline.
Furthermore, a partition plate is not arranged between the first exhaust silencing chamber and the second exhaust silencing chamber, and an exhaust silencing layer is arranged at the joint of the first exhaust silencing chamber and the second exhaust silencing chamber and used for reducing noise of the exhaust silencing chamber.
Furthermore, through holes are formed between the engine room and the second exhaust silencing chamber, through holes are formed in the top end of the second exhaust silencing chamber, each through hole is used for loading an exhaust pipeline of the engine, and an engine silencer is arranged on the exhaust pipeline of the engine, located in the second exhaust silencing chamber, and used for silencing the engine.
Further, the composite acoustical layer includes: outer rock wool plugboard, abatvoix and nexine rock wool plugboard.
Furthermore, the inner wall of the container is also provided with a noise reduction lining, and the noise reduction lining is one or more of an aluminum fiber sound absorption composite board and sound absorption fine glass fiber cotton.
Compared with the prior art, the invention has the advantages that the box body is divided into a plurality of chambers by the partition plates, the appointed equipment is arranged in the corresponding chamber, so that the equipment is separated, the space of a single chamber is reduced, the composite silencer is arranged in the air inlet silencing chamber to carry out silencing treatment on the engine, and the composite sound insulation layer with a multilayer structure is arranged in the side wall of the box body, so that the noise reduction efficiency of the side wall of the box body can be effectively improved. Meanwhile, the intelligent control module is added, so that the whole operation condition in the container can be detected in detail, and the operation state of each component can be automatically controlled according to the detection result, so that the container unit can work in the most appropriate state, the resources are saved, and the application range of the container collecting and packing machine is expanded.
Furthermore, the side wall of the box body is also provided with a noise reduction shutter, so that the noise reduction of the engine in the box body can be further realized while the circulation of the internal air of the container unit is ensured, snow water can be prevented from entering the container in rainy and snowy weather, and the sealing performance of the container unit is improved.
Further, still be equipped with the amortization layer in the container unit, through placing the amortization layer in the assigned position, can further prevent that the noise transmission of engine is outside to the container to the efficiency of making an uproar falls of container unit has further been improved.
Furthermore, the surface of the sound attenuation layer is provided with the cellucotton of the screen plate, the cellucotton can be fixed into a plate shape by clamping the cellucotton by using the double-layer screen plate, and the installation efficiency of the sound attenuation layer is improved.
Further, the composite silencer is arranged at the air inlet of the engine, and the noise reduction efficiency of the container unit is further improved by connecting the composite silencer with the engine.
Further, an exhaust fan is further arranged near the engine, and ventilation of air in the container can be enhanced by the arrangement of the exhaust fan, so that the temperature in the container is stabilized within a specified range, and the operation efficiency of the container unit is improved while the operation stability of the container unit is ensured.
Further, still be equipped with the engine muffler on the engine exhaust pipe, when the engine was exhausting, the engine muffler can carry out the amortization to the exhaust pipe to the efficiency of making an uproar that falls of container unit has further been improved.
Further, still be equipped with the inside lining of making an uproar on the container wall, through using the inside lining, can further improve the efficiency of making an uproar falls of container unit.
Drawings
FIG. 1 is a side cross-sectional view of a noise reducing structure of a container assembly according to the present invention;
fig. 2 is a partially enlarged view of the side wall of the container body of the noise reduction structure of the container unit.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a side sectional view of a noise reduction structure of a container assembly according to the present invention. The noise reduction box comprises a box body 1, a noise reduction shutter 2, a noise reduction layer 3, a composite silencer 4, an engine 5, an exhaust fan 6, a composite sound insulation layer 7 (not shown in the figure), a noise reduction lining 8 (not shown in the figure) and an intelligent control module 9. Wherein, the blind window 2 of making an uproar falls sets up at 1 lateral wall of box for fall and make an uproar. The sound-deadening layer 3 is arranged inside the box body 1 and is used for carrying out sound deadening. The compound muffler 4 is arranged inside the box body and connected with the engine 5 to muffle the engine 5. The exhaust fan 6 is arranged inside the box body 1 and used for enabling air in the box body 1 to circulate. The composite sound insulation layer 7 is arranged inside the outer wall of the box body 1 and used for insulating sound of the engine 5. The noise reduction lining 8 is arranged on the inner side of the outer wall of the box body 1 and is used for further insulating sound of the engine 5. The intelligent control module 9 is arranged on the engine 5 and is respectively connected with the noise reduction shutter 2, the silencing layer 3 and the exhaust fan 6, so as to detect the running noise and the running temperature of the engine in real time and control the running state of each part according to the detection result.
When the structure operation of making an uproar falls in container unit, compound muffler 4 can carry out the amortization to engine 5, and noise damping layer 3 can carry out further amortization to the engine, and the shutter 2 of making an uproar falls can fall the internal environment of container and make an uproar, and compound puigging 7 can give sound insulation to container inside, and the inside lining 8 of making an uproar falls to container inside further. The exhaust fan 6 blows the air in the cabinet 1 to a designated position to flow the air in the cabinet 1 in a designated direction. The intelligent control module 9 can detect the running noise and the running temperature of the engine in real time.
Referring to fig. 1, the box 1 of the present invention is provided with partitions therein, and is divided into an intake silencing chamber 11, a cabin chamber 12, a first exhaust silencing chamber 13 and a second exhaust silencing chamber 14 by the partitions. Wherein an intake silencer compartment 11 is provided at the left end for loading the compound silencer 4. The engine compartment 12 is provided on the right side of the intake silencing chamber 11 for loading the engine 5. The first exhaust muffling chamber 13 is disposed at the right side of the cabinet 12 to transfer the air in the box 1. The second exhaust muffling chamber 14 is disposed at the right side of the intake muffling chamber 11 and above the engine compartment 12 and the first exhaust muffling chamber 13, and is used for loading an exhaust pipe of the engine 5. When the engine 5 is running, air enters the case 1 from the intake muffling chamber 11, passes through the engine compartment 12 and the first exhaust muffling chamber 13, and finally exits the case 1 through the second exhaust muffling chamber.
Specifically, a partition between the intake silencing chamber 11 and the cabin 12 is provided with a through hole for loading an output pipe of the composite silencer 4, and the outer diameter of the output pipe of the composite silencer 4 is smaller than the diameter of the through hole, so that air in the intake silencing chamber enters the cabin through a gap between the through hole and the output pipe.
The composite muffler 4 muffles the engine 5 when the engine 5 is running, and air in the intake muffling chamber 11 is delivered to the cabin chamber 12 through the gap.
Specifically, a through groove is formed in a partition between the cabin 12 and the first exhaust muffler chamber, and the exhaust fan 6 is mounted thereon. When the engine 5 is running, the exhaust fan is activated and draws air in the cabin 12 to the first exhaust muffler chamber 13.
Specifically, no partition plate is provided between the first exhaust silencing chamber 13 and the second exhaust silencing chamber 14, and the silencing layer 3 is provided between the first exhaust silencing chamber 13 and the second exhaust silencing chamber 14 to silence the inside of the casing 1.
Specifically, a partition plate between the second exhaust silencing chamber 14 and the engine compartment 12 is provided with a through hole, and the top of the second exhaust silencing chamber 14 is provided with a through hole, both of which are used for fixing an exhaust pipe of the engine 5. When the engine 5 is running, exhaust gas is delivered from the engine compartment 12 to the second exhaust silencing chamber 14 through an exhaust pipe, and is discharged from the second exhaust silencing chamber 14 out of the box body 1.
With continued reference to fig. 1, the noise reduction louver 2 according to the present invention includes an air intake louver 21 and an air discharge louver 22. The air inlet shutter 21 is arranged on the side wall of the left end of the air inlet silencing chamber 11 and used for reducing noise of air entering the box body 1. The exhaust louver 22 is disposed on the right end side wall of the second exhaust silencing chamber 14 to reduce noise of the air exhausted from the cabinet 1. When air enters the box body 1, the air enters the air inlet silencing chamber 11 through the air inlet shutter 21, and the air is subjected to noise reduction through the air inlet shutter 21; when the air is discharged out of the cabinet 1, the air is discharged out of the cabinet 1 from the second exhaust muffling chamber 14 through the exhaust louver 22, and the second exhaust muffling chamber 14 performs noise reduction on the air. It can be understood that the number of the air intake louver 21 and the air exhaust louver 22 and the inclination angle of each fan blade are not specifically limited in this embodiment, as long as the air intake louver 21 and the air exhaust louver 22 can reduce the noise of the box body 1.
Referring to fig. 1, the sound-absorbing layer 3 of the present invention is a layer of cotton fibers, wherein the upper and lower surfaces of the cotton fibers are provided with net plates, and the two net plates sandwich the cotton fibers to form a plate-shaped structure. The sound-deadening layer 3 includes an intake sound-deadening layer 31 and an exhaust sound-deadening layer 32. Wherein, the intake air silencing layer 31 is arranged inside the intake air silencing chamber 11. The exhaust silencing layer 32 is provided at the boundary between the first exhaust silencing chamber 13 and the second exhaust silencing chamber 14. When air enters the intake silencing chamber 11 through the intake louver 21, the intake silencing layer 31 silences the air. When the air moves from the first exhaust muffling chamber 13 to the second exhaust muffling chamber 14, the exhaust muffling layer further muffles the air. It can be understood that the structure of the sound-absorbing layer 3 may be two layers of mesh plates sandwiching one layer of cotton fiber, or may be three layers of mesh plates sandwiching two layers of cotton fiber, or four layers of mesh plates sandwiching three layers of cotton fiber or other layers, as long as the sound-absorbing layer 3 can reach its designated working state.
Referring to fig. 1, the engine 5 according to the embodiment of the present invention is a diesel engine, an exhaust pipe is disposed above the engine 5, the exhaust pipe enters the second exhaust silencing chamber 14 through a through hole between the cabin 12 and the second exhaust silencing chamber 14, and an engine silencer 51 is disposed in a portion of the exhaust pipe located in the second exhaust silencing chamber 14 to muffle the exhaust pipe. When the engine 5 is running, the engine 5 will exhaust the exhaust gases out of the tank through the exhaust pipe, which will be muffled by the engine muffler 51. It is understood that the engine 5 may be a diesel engine, a gasoline engine, an electric motor or other kind of engine, as long as the engine 5 can achieve its designated operating state.
Referring to fig. 1, the exhaust fan 6 of the present embodiment is a fan disposed in a through groove formed in a partition between the cabin 12 and the first exhaust muffling chamber 13 for promoting the air flow in the box 1. When the engine 5 is operated, the exhaust fan 6 is operated to pump the air in the cabin 12 to the first exhaust silencing chamber 13, and at the same time, the air in the cabin 12 is delivered to the cabin 12 by the intake silencing chamber 11 and is sucked from the outside of the box 1 due to the reduction of the air pressure in the cabin 12. It is to be understood that the type of the exhaust fan 6 is not particularly limited in this embodiment, as long as the exhaust fan 6 can pump the air in the cabinet 12 to the first exhaust muffling chamber 13.
Referring to fig. 1, in the present embodiment, the intelligent control module 9 is disposed on the engine 5 and connected to the exhaust fan 6, and the intelligent control module 9 is externally connected with a sound probe and a temperature probe, which are respectively disposed at designated positions of the engine for respectively detecting noise and temperature generated during the operation of the engine. The intelligent control module 9 is further externally connected with a plurality of electric rotating shafts 91 and a plurality of motors 92. The electric rotating shaft 91 is respectively arranged at the connecting part of each fan blade in the noise reduction shutter 2 and the side wall of the box body 1, and is used for controlling the angle of the fan blade. The motors 92 are respectively arranged at the connecting positions of the silencing layers 3 and the side wall of the box body 1, and are used for controlling the silencing layers 3 to be horizontally placed and paved at a designated position or vertically placed and contained in the side wall of the box body through rotation.
Before using the container unit, the intelligent control module 9 prestores the allowable noise range of the engine 5And allowable temperatureRange ofAnd operating noise of the engine 5 when the engine 5 is operatingAnd operating temperatureAnd (3) detection:
when running noiseOut of maximum allowable noise rangeMeanwhile, the intelligent control module 9 controls the motor 92 to rotate, so that the silencing layer 3 is laid at a specified position to silence the silencing layer 3, and meanwhile, the intelligent control module 9 controls the electric rotating shaft 91 to rotate, so that the noise reduction louver 2 is folded to improve the noise reduction efficiency of the noise reduction louver 2;
when running noiseBelow the minimum allowable noise rangeMeanwhile, the intelligent control module 9 controls the motor 92 to rotate, so that the noise reduction layer 3 is accommodated on the side wall of the box body 1, and meanwhile, the intelligent control module 9 controls the electric rotating shaft 91 to rotate, so that the noise reduction louver 2 is opened;
when operating temperature is highOut of the maximum allowable temperature rangeIn time, the intelligent control module 9 can control the exhaust fan 6 to increase the rotating speed so as to accelerate the air flow in the box body 1, and meanwhile, the intelligent control module can intelligently controlThe module 9 controls the electric rotating shaft 91 to rotate, so that the noise reduction louver 2 is opened to further increase the air flow rate in the box body 1;
when the operation temperature is lower than the minimum allowable temperature rangeDuring the process, the intelligent control module 9 can control the exhaust fan 6 to reduce the rotating speed so as to slow down the air flow in the box body 1, and meanwhile, the intelligent control module 9 can control the electric rotating shaft 91 to rotate so as to enable the noise reduction louver 2 to be folded.
Fig. 2 is a partial enlarged view of a side wall of the box 1 at a position a in fig. 1 according to the present embodiment. Including a composite acoustical layer 7 and a noise reducing liner 8. Wherein, compound puigging 7 sets up in the inside of 1 outer wall of box for give sound insulation in the box. The noise reduction lining 8 is arranged on the inner side of the side wall of the box body and used for reducing noise of the box body 1.
Specifically, the composite soundproof layer 7 includes an outer rock wool patch panel 71, a sound absorbing panel 72, and an inner rock wool patch panel 73. The outer rock wool plugboard 71 is located on the inner side and the outer side of the box wall and is in contact with the box wall. The inner rock wool plugboard 73 is positioned at one side close to the inner part in the box wall and contacts with the box wall. The sound-absorbing plate 72 is arranged between the outer rock wool inserting plate 71 and the inner rock wool inserting plate 73.
Particularly, the lining 8 of making an uproar falls chooses for use the combined material who is made by aluminium fibre sound absorption composite board and sound absorption fine glass fiber cotton, and the lining 8 of making an uproar falls and attaches on the box inner wall for fall the noise to box 1. It can be understood that the material of the noise reduction lining 8 can be aluminum fiber sound absorption composite board, sound absorption fine glass fiber cotton, a mixed material made of the aluminum fiber sound absorption composite board and the sound absorption fine glass fiber cotton or other materials, and the noise reduction lining 8 can reduce the noise of the box body 1.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a structure of making an uproar falls in container unit, its characterized in that includes the container and sets up the engine inside the container, wherein, the inside compound puigging that is equipped with of container outer wall, and with inside a plurality of storehouses of dividing into of box through the baffle, all be equipped with sound insulation equipment in each storehouse, include:
the air inlet silencing chamber is used for eliminating air inlet noise of the container unit, and a composite silencer is arranged in the air inlet silencing chamber and is used for silencing the air inlet silencing chamber;
the engine compartment is positioned on the right side of the air inlet silencing chamber, and an engine is arranged in the engine compartment;
the exhaust silencing chamber comprises a first exhaust silencing chamber and a second exhaust silencing chamber, wherein the first exhaust silencing chamber is arranged on the right side of the cabin chamber and used for eliminating noise of exhaust air in the container, and the second exhaust silencing chamber is arranged on the upper side of the cabin chamber and used for eliminating noise generated by the engine;
the noise reduction shutter is arranged on the side wall of the container and comprises an air inlet shutter and an air exhaust shutter, wherein the air inlet shutter is arranged on the left side wall of the air inlet silencing chamber, and the air exhaust shutter is arranged on the right side wall of the first air exhaust silencing chamber; the air inlet shutter and the air exhaust shutter are respectively provided with an electric rotating shaft, and when the electric rotating shafts rotate, the electric rotating shafts can drive the blades on the air inlet shutter and the air exhaust shutter to rotate so as to adjust the opening degrees of the blades of the air inlet shutter and the air exhaust shutter;
the silencing layer comprises an air inlet silencing layer and an air exhaust silencing layer; wherein, the air intake silencing layer is horizontally arranged in the air intake silencing chamber; the exhaust silencing layer is arranged at the top of the first exhaust silencing chamber; the connection part of each silencing layer and the inner side wall of the case is provided with a motor, and when the motor rotates, the silencing layers rotate along with the motor to be paved at a designated position or stored on the side wall of the case body;
an exhaust fan disposed in a through groove provided between the first exhaust muffling chamber and the cabin;
the intelligent control module is arranged on the engine, and is externally connected with a sound probe and a temperature probe on the engine and used for respectively detecting the noise and the operating temperature generated when the engine operates; the intelligent control module is connected with the electric rotating shaft and used for adjusting the opening angles of the air inlet shutter and the air exhaust shutter by controlling the electric rotating shaft to rotate; the intelligent control module is respectively connected with each motor and used for controlling the motors to enable the silencing layer to rotate at the connection position so as to enable the silencing layer to be paved at a specified position or to be contained in the side wall of the box body; the intelligent control module is connected with the exhaust fan and used for controlling the rotating speed of the exhaust fan so as to control the flow rate of the air in the box body; before the container unit is used, the intelligent control module prestores an allowable noise range and an allowable temperature range of the engine, and detects the operation noise and the operation temperature of the engine when the engine operates:
when the operation noise exceeds the maximum allowable noise range, the intelligent control module controls the motor to rotate, so that the noise reduction layer is paved at a specified position, and simultaneously controls the electric rotating shaft to retract the noise reduction shutter;
when the operation noise is lower than the minimum allowable noise range, the intelligent control module can control the motor to rotate, so that the noise reduction layer is accommodated in the side wall of the box body, and simultaneously, the intelligent control module can control the electric rotating shaft to open the noise reduction shutter;
when the operation temperature exceeds the maximum allowable temperature range, the intelligent control module controls the exhaust fan to increase the rotating speed so as to accelerate the air flow in the box body, and simultaneously controls the electric rotating shaft so as to open the noise reduction shutter;
when the operation temperature is lower than the minimum allowable temperature range, the intelligent control module can control the exhaust fan to reduce the rotating speed so as to slow down the air flow in the box body, and meanwhile, the intelligent control module can control the electric rotating shaft so as to enable the noise reduction louver to be folded.
2. The noise reduction structure of the container unit as claimed in claim 1, wherein the connection wires between the intelligent control module and the components are laid on the inner wall of the container body.
3. The noise reduction structure of a container unit as claimed in claim 1, wherein the noise reduction layer is a layer of cellucotton, two layers of net boards are arranged on the outer surface of the cellucotton, and the net boards are respectively arranged on two sides of the cellucotton and respectively arranged in the corresponding chambers for fixing the cellucotton at a designated position.
4. The noise reduction structure of the container unit as claimed in claim 1, wherein a partition between the intake silencer chamber and the cabin is provided with a through hole for loading the output pipe of the composite silencer, and the outer diameter of the output pipe of the composite silencer is smaller than the diameter of the through hole, so that the air in the intake silencer chamber enters the cabin through the gap between the through hole and the output pipe.
5. The noise reduction structure of a container assembly as claimed in claim 1, wherein no partition plate is provided between the first exhaust silencing chamber and the second exhaust silencing chamber, and an exhaust silencing layer is provided at the joint of the first exhaust silencing chamber and the second exhaust silencing chamber to reduce noise of the exhaust silencing chamber.
6. The noise reduction structure of a container unit as claimed in claim 1, wherein a through hole is provided between the cabin and the second exhaust silencing chamber, a through hole is provided at the top end of the second exhaust silencing chamber, each through hole is used for loading an exhaust pipe of an engine, and an engine silencer is provided on the exhaust pipe of the engine located in the second exhaust silencing chamber for silencing the engine.
7. The container assembly noise reduction structure of claim 1, wherein the composite acoustical layer comprises: outer rock wool plugboard, abatvoix and nexine rock wool plugboard.
8. The noise reduction structure of the container unit as claimed in claim 1, wherein the inner wall of the container is further provided with a noise reduction lining, and the noise reduction lining is one or more of an aluminum fiber sound absorption composite board and sound absorption fine glass fiber cotton.
CN202010198523.7A 2020-03-20 2020-03-20 Noise reduction structure of container unit Active CN111089016B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09228851A (en) * 1996-02-23 1997-09-02 Suzuki Motor Corp Sound insulating type generator
CN202970893U (en) * 2012-12-05 2013-06-05 浙江幸福机电科技有限公司 Noise reduction chamber of generator set
CN206429304U (en) * 2017-01-11 2017-08-22 上海怡允环境科技有限公司 A kind of sound insulation of engine, noise reduction, exhaust treatment system
CN107791924A (en) * 2017-10-16 2018-03-13 河南宜和城保装备科技实业有限公司 A kind of span formula supply vehicle
CN110306620A (en) * 2019-06-27 2019-10-08 三一重机有限公司 Reduced noise engine cabin and excavator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09228851A (en) * 1996-02-23 1997-09-02 Suzuki Motor Corp Sound insulating type generator
CN202970893U (en) * 2012-12-05 2013-06-05 浙江幸福机电科技有限公司 Noise reduction chamber of generator set
CN206429304U (en) * 2017-01-11 2017-08-22 上海怡允环境科技有限公司 A kind of sound insulation of engine, noise reduction, exhaust treatment system
CN107791924A (en) * 2017-10-16 2018-03-13 河南宜和城保装备科技实业有限公司 A kind of span formula supply vehicle
CN110306620A (en) * 2019-06-27 2019-10-08 三一重机有限公司 Reduced noise engine cabin and excavator

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