CN110748412A - Working method of environment-friendly noise-reduction power generation equipment - Google Patents
Working method of environment-friendly noise-reduction power generation equipment Download PDFInfo
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- CN110748412A CN110748412A CN201911112588.9A CN201911112588A CN110748412A CN 110748412 A CN110748412 A CN 110748412A CN 201911112588 A CN201911112588 A CN 201911112588A CN 110748412 A CN110748412 A CN 110748412A
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0866—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements composed of several layers, e.g. sandwich panels or layered panels
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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
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
- E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the field of power equipment, and particularly relates to a working method of environment-friendly noise reduction power generation equipment, which comprises the following steps: the system comprises a control module, a plurality of noise testers connected with the input end of the control module, a machine room, a plurality of generator sets arranged in the machine room, sound-absorbing composite fabrics laid on the inner sides of all walls of the machine room, and a stretching assembly positioned at the bottom of the sound-absorbing composite fabrics; the noise tester is positioned at the periphery of the machine room to detect the noise volume leaked from the machine room; and the control module is suitable for controlling the stretching assembly to stretch the sound-absorbing composite fabric into the wavy patterns with adjustable wave trough depth so as to absorb the noise generated by each generator set and enable the detection value of the noise volume to accord with the set threshold value. The noise in the machine room can be effectively reduced, and the noise pollution to the environment is reduced.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a working method of environment-friendly noise-reduction power generation equipment.
Background
In recent years, in order to alleviate the contradiction of insufficient power supply of a power grid, a large number of diesel power stations are newly built or units are configured with small and medium-sized self-contained generator rooms. Considering that the noise of the oil engine mainly pollutes the surrounding environment in the operation process of the oil engine, how to effectively control the external radiation of the noise of the oil engine in the machine room is a very practical and must-be-solved problem. The environmental noise is effectively reduced, the air flow in the machine room is well organized, and the air flow required by the operation of the generator set is met, so that the normal work of the generator set is guaranteed. The surface cooling of the oil engine is uneven by sacrificing the air flow in the oil engine room by simply reducing the leakage of noise, the power generation capacity of the oil engine is reduced, and the normal use of a generator is influenced.
Disclosure of Invention
The invention aims to provide a working method of an environment-friendly noise-reduction power generation device.
In order to solve the technical problem, the invention provides an operating method of an environment-friendly noise-reduction power generation device, which comprises the following steps: the system comprises a control module, a plurality of noise testers connected with the input end of the control module, a machine room, a plurality of generator sets arranged in the machine room, sound-absorbing composite fabrics laid on the inner sides of all walls of the machine room, and a stretching assembly positioned at the bottom of the sound-absorbing composite fabrics; the noise tester is positioned at the periphery of the machine room to detect the noise volume leaked from the machine room; and the control module is suitable for controlling the stretching assembly to stretch the sound-absorbing composite fabric into the wavy patterns with adjustable wave trough depth so as to absorb the noise generated by each generator set and enable the detection value of the noise volume to accord with the set threshold value.
Furthermore, the number of the noise testers is at least five, and the noise testers are respectively positioned on the outer side of each wall of the machine room.
Further, the sound-absorbing composite fabric includes: the glass fiber grid cloth comprises a base plate positioned on the inner side of each wall of the machine room, a plurality of core molds positioned on the front surface of the base plate, and glass fiber grid cloth tiled on the surfaces of the core molds; the glass fiber gridding cloth is suitable for being woven on the surface of the core mold through weaving lines; and the stretching assembly is suitable for tensioning the braided wires so that the glass fiber mesh cloth forms the wave patterns on the surface of the core mold.
Furthermore, the core mold is a triangular column body, a plurality of triangular column bodies are arranged in a row, and the bottom surface of the triangular column body is bordered with the surface of the substrate; the braided wire is suitable for stitch bonding along the gap between adjacent core molds; when the braided wires are tensioned, the glass fiber gridding cloth is concave downwards along the two side faces of the triangular prism body to form a V shape, so that the glass fiber gridding cloth forms the wavy patterns on the whole.
Furthermore, the triangular column is a hollow tube, and a plurality of air flow holes are uniformly distributed in the tube walls corresponding to the two side surfaces of the triangular column so as to be suitable for air circulation in the machine room.
Further, the airflow hole is a horn hole with an outward opening.
Further, the braided wire is suitable for penetrating through the back surface of the substrate and is stitched into a coil structure.
Further, the stretching assembly includes: the device comprises a stretching cylinder, a mounting plate positioned at the end part of a piston rod of the stretching cylinder, a plurality of pull plates arranged on the mounting plate at intervals, and a plurality of hooks positioned on the pull plates; the pulling plate is arranged along the gap between the adjacent core moulds so as to be suitable for the hook to hook the coil structure, namely, the pulling cylinder pulls the braided wire tightly.
The working method of the environment-friendly noise-reduction power generation equipment has the beneficial effects that the control module controls the stretching assembly to stretch the sound-absorbing composite fabric into the wavy lines with adjustable wave trough depth so as to absorb the noise generated by each generator set, and the detection value of the noise volume accords with the set threshold value. The noise in the machine room can be effectively reduced, and the noise pollution to the environment is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a functional block diagram of an environmentally friendly noise reducing power generation plant of the present invention;
FIG. 2 is a top plan view of the environmentally friendly noise reducing power plant of the present invention;
FIG. 3 is a cross-sectional view of the acoustical composite fabric of the present invention;
in the figure:
the sound-absorbing composite fabric comprises a machine room 1, a noise tester 2, a generator set 3, a sound-absorbing composite fabric 4, a base plate 41, a core mold 42, an airflow hole 421, a glass fiber mesh fabric 43, a braided wire 44, a stretching assembly 5, a stretching cylinder 51, a mounting plate 52, a pulling plate 53 and a hook 54.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
FIG. 1 is a schematic block diagram of an environmentally friendly noise reducing power generation plant of the present invention.
Fig. 2 is a plan view of the eco-friendly noise reduction power generation device of the present invention.
As shown in fig. 1 and 2, the present embodiment provides an operation method of an environment-friendly noise reduction power generation apparatus, including: the device comprises a control module, a plurality of noise testers 2 connected with the input end of the control module, a machine room 1, a plurality of generator sets 3 arranged in the machine room 1, a sound-absorbing composite fabric 4 laid on the inner side of each wall (comprising four side walls and the top) of the machine room 1, and a stretching assembly 5 positioned at the bottom of the sound-absorbing composite fabric 4; the noise tester 2 is positioned at the periphery of the machine room 1 to detect the noise volume leaked from the machine room 1; and the control module is suitable for controlling the stretching assembly 5 to stretch the sound-absorbing composite fabric 4 into the wavy grains with adjustable wave trough depth so as to absorb the noise generated by each generator set 3 and enable the detection value of the noise volume to accord with the set threshold value.
Wherein, control module can the preferred selection noise tester correspond the tensile subassembly on the wall and adjust the trough depth, but there is not absolute corresponding relation between tensile subassembly's on the wall adjustment action and the noise tester, promptly after the tensile subassembly adjustment on this wall, the trough depth of raised grain reaches the maximum value, but the noise detected value on this wall still surpasss and sets for the threshold value, at this moment, control module can synthesize all tensile subassemblies (in principle, inhale the compound fabric of sound on every wall and correspond a tensile subassembly, consequently, the quantity of tensile subassembly is at least 5), with the noise volume that reduces computer lab 1 and leak.
Of course, the machine room can also be used as the housing of the generator set 3 without affecting the assembly and use effect.
Optionally, the control module is, for example but not limited to, an industrial control board or a PLC module, and the industrial control board may be a MYD-C7Z010/20 industrial control board, and the depth of the wave trough of the raised grain of any wall may be separately adjusted according to the detection value of each noise tester, so that the noise volume detection value of each noise tester meets a set threshold (may be set according to an environmental standard or an equipment requirement), and reaches a noise reduction standard.
Optionally, the number of the noise testers 2 is at least five, and the noise testers are respectively positioned on the outer side of each wall (including the side wall and the top) of the machine room 1. Of course, the noise-proof door can also be installed at the window or the doorway of the machine room and other parts where noise is easy to leak; and a noise tester 2 such as, but not limited to, a TES-1350A type noise meter.
According to the working method of the environment-friendly noise-reduction power generation equipment, the control module controls the stretching assembly to stretch the sound-absorbing composite fabric into the wavy patterns with adjustable wave trough depths so as to absorb noise generated by each generator set, and the detected value of the noise volume is in accordance with the set threshold value. The noise in the machine room can be effectively reduced, and the noise pollution to the environment is reduced.
Fig. 3 is a cross-sectional view of the sound-absorbing composite fabric of the present invention.
As an alternative embodiment of the sound absorbing composite fabric.
Referring to fig. 3, the sound-absorbing composite fabric 4 includes: a base plate 41 positioned on the inner side of each wall of the machine room 1, a plurality of core molds 42 positioned on the front surface of the base plate 41, and a glass fiber mesh fabric 43 laid on the surface of the core molds 42; wherein the fiberglass gridding cloth 43 is suitable for being weaved on the surface of the core mould 42 through weaving wires 44; and the stretching assembly 5 is adapted to tighten the braided wire 44 so that the fiberglass mesh cloth 43 forms a wave pattern on the surface of the core mold 42 for absorbing noise.
Specifically, the glass fiber mesh fabric is provided with a gap or a hole-shaped structure so as to be suitable for the air in the core die to flow into the machine room. And when the fiberglass gridding cloth 43 is flatly laid on the surface of the core mould 42, a certain tensioning allowance is reserved so that the fiberglass gridding cloth can be concave downwards when the braided wire is tensioned by the tensioning assembly.
Preferably, the knitting yarn 44 is adapted to penetrate through the back surface of the substrate 41 and be stitch-bonded into a coil structure, which can prevent the core mold from falling off or shifting during use or transportation, and is convenient for the stretching assembly to hook the coil structure, and tighten the knitting yarn, so that the glass fiber mesh fabric forms the raised grain on the whole.
In the sound-absorbing composite fabric of the embodiment, the glass fiber mesh fabric on the surface of the sound-absorbing composite fabric is enabled to form the wave patterns through the core mold so as to absorb noise; meanwhile, the glass fiber mesh fabric is inorganic fiber, so that the combustible material content is low, the glass fiber mesh fabric is not easy to burn, and the machine room has the characteristics of good noise reduction effect, fire resistance and flame retardance.
As an alternative embodiment of the mandrel.
Referring to fig. 3, the core mold 42 is a triangular column, and a plurality of triangular columns are arranged in a row, and the bottom surface of the triangular column borders the front surface of the base plate 41; when the knitting yarns 44 are tightened, the glass fiber mesh cloth 43 is recessed in a V shape along two side surfaces of the triangular prism so that the glass fiber mesh cloth 43 forms the raised grains on the whole, and the depth of the V shape is the depth of the raised grains.
Preferably, the triangular column is a hollow tube, and a plurality of airflow holes 421 are uniformly distributed in the tube walls corresponding to the two side surfaces of the triangular column, wherein two ends of the triangular column can extend out of the machine room to allow outdoor air to flow into the machine room. The air flow in the machine room can be effectively ensured, and the air flow required by the operation of the generator set is met, so that the normal work of the generator set is guaranteed. In view of this, the computer lab of this application can be airtight computer lab to further reduce the radiation of noise. Certainly, in order to prevent the noise in the machine room from flowing out of the room through the triangular column, the existing silencers can be additionally arranged at the two ends of the triangular column.
Optionally, the two side faces of the triangular column are connected through arc chamfers to avoid cutting or damaging the glass fiber mesh cloth by the top edges of the triangular column.
Preferably, the airflow hole 421 is a trumpet hole with an outward opening to further prevent noise from leaking out and improve noise reduction effect.
The glass fiber mesh cloth integrally forms the wavy grains on the surface of the core mold through the hollow triangular column body of the core mold, the wavy grains are used for absorbing noise, air circulation inside and outside a machine room can be achieved through the airflow holes, the air flow required by the running of the generator set is met, and the normal work of the generator set is guaranteed.
As an alternative embodiment of the stretching assembly.
Referring to fig. 3, the stretching assembly 5 includes: the device comprises a stretching cylinder 51, a mounting plate 52 positioned at the end part of a piston rod of the stretching cylinder 51, a plurality of pulling plates 53 arranged on the mounting plate 52 at intervals, and a plurality of hooks 54 positioned on the pulling plates 53; the pulling plate 53 is provided along the gap of the adjacent core mold 42 to be adapted to hook the hook 54 to the coil structure, i.e., the stretching cylinder 51 to tighten the braided wire 44. The tensioning degree of the braided wire, namely the depth of the V shape, namely the depth of the wave trough of the raised grains is controlled by the telescopic quantity of the piston rod of the stretching cylinder.
Generally speaking, the deeper the wave troughs of the raised grains, the better the noise reduction effect, but the deeper the wave troughs of the raised grains, the closer the fiberglass mesh cloth is to the surface of the core mold, the airflow holes can be blocked to a certain extent, and the air flow in a machine room is reduced. Therefore, the depth of the raised grains needs to be adjusted according to the volume of noise leaked from the machine room in order to comprehensively consider two factors, namely the noise reduction effect and the air flow in the machine room, and the significance of the adjustable depth of the raised grains is realized by the working method of the environment-friendly noise reduction power generation equipment.
The stretching assembly of this embodiment makes the fine net cloth of glass form the raised grain on the mandrel surface through the taut braided wire of stretch cylinder, can also adjust the trough degree of depth of raised grain, and then adjusts the air mobility in noise reduction effect and the computer lab to guarantee the normal work of environmental protection noise reduction power generation facility, be applicable to the generating set installation of different models and quantity and use.
In conclusion, the working method of the environment-friendly noise-reduction power generation equipment has the advantages that the stretching assembly is controlled by the control module to stretch the sound-absorbing composite fabric into the wavy patterns with adjustable wave trough depths so as to absorb noise generated by each generator set and enable the detection value of the noise volume to meet the set threshold value; meanwhile, as the glass fiber mesh cloth is inorganic fiber, the combustible content is low, and the glass fiber mesh cloth is not easy to burn, so that the machine room has the characteristics of good noise reduction effect, fire resistance and flame retardance; meanwhile, the core mold is hollow, two ends of the core mold are communicated with the outside of the machine room, air circulation inside and outside the machine room can be realized through the airflow holes, the air flow required by the operation of the generator set is met, and the normal work of the generator set is guaranteed; the braided wire is tensioned through the stretching cylinder so as to adjust the depth of the wave trough of the glass fiber mesh cloth forming the wave patterns on the surface of the core mold, and further adjust the noise reduction effect.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. An operating method of an environment-friendly noise-reduction power generation device, comprising:
the system comprises a control module, a plurality of noise testers connected with the input end of the control module, a machine room, a plurality of generator sets arranged in the machine room, sound-absorbing composite fabrics laid on the inner sides of all walls of the machine room, and a stretching assembly positioned at the bottom of the sound-absorbing composite fabrics;
the noise tester is positioned at the periphery of the machine room to detect the noise volume leaked from the machine room; and
the control module is suitable for controlling the stretching assembly to stretch the sound-absorbing composite fabric into the wavy grains with adjustable wave trough depth so as to absorb noise generated by each generator set and enable the detection value of the noise volume to accord with a set threshold value.
2. The operating method according to claim 1,
the number of the noise testers is at least five, and the noise testers are respectively positioned on the outer side of each wall of the machine room.
3. The operating method according to claim 1,
the sound-absorbing composite fabric includes: the glass fiber grid cloth comprises a base plate positioned on the inner side of each wall of the machine room, a plurality of core molds positioned on the front surface of the base plate, and glass fiber grid cloth tiled on the surfaces of the core molds; wherein
The glass fiber gridding cloth is suitable for being woven on the surface of the core mold through weaving lines; and
the stretching assembly is suitable for tensioning the braided wires, so that the glass fiber gridding cloth forms the wave patterns on the surface of the core mold.
4. The operating method according to claim 3,
the core mold is a triangular column body, a plurality of triangular column bodies are arranged in a row, and the bottom surface of the triangular column body is bordered with the surface of the substrate;
the braided wire is suitable for stitch bonding along the gap between adjacent core molds;
when the braided wires are tensioned, the glass fiber gridding cloth is concave downwards along the two side faces of the triangular prism body to form a V shape, so that the glass fiber gridding cloth forms the wavy patterns on the whole.
5. The operating method according to claim 4,
the triangular column is a hollow pipe, and a plurality of air flow holes are uniformly distributed in the pipe walls corresponding to the two side surfaces of the triangular column so as to be suitable for air circulation in the machine room.
6. The operating method according to claim 5,
the air flow hole is a horn hole with an outward opening.
7. The operating method according to claim 3,
the braided wire is suitable for penetrating through the back of the substrate and is stitched into a coil structure.
8. The operating method according to claim 7,
the stretching assembly includes: the device comprises a stretching cylinder, a mounting plate positioned at the end part of a piston rod of the stretching cylinder, a plurality of pull plates arranged on the mounting plate at intervals, and a plurality of hooks positioned on the pull plates;
the tie plates are arranged along the gap between adjacent core molds to accommodate hooks for hooking the coil structure, i.e.
The stretching cylinder tensions the braided wire.
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| CN201911112588.9A CN110748412B (en) | 2019-11-14 | 2019-11-14 | Working method of environment-friendly noise-reduction power generation equipment |
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| CN201911112588.9A CN110748412B (en) | 2019-11-14 | 2019-11-14 | Working method of environment-friendly noise-reduction power generation equipment |
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| WO1979001096A1 (en) * | 1978-05-22 | 1979-12-13 | Alphadyne Inc | Acoustical panel |
| DE4214825A1 (en) * | 1992-05-10 | 1993-11-11 | Nuedling Franz C Basaltwerk | Sound-absorbing brick for constructing wall of building - has rectangular cavity filled with shaped pieces of sound insulating material |
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| CN101903652A (en) * | 2007-12-21 | 2010-12-01 | 维斯塔斯风力***集团公司 | A wind turbine, a method for reducing noise emission from a wind turbine tower and use of a wind turbine |
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| CN107313618A (en) * | 2017-08-23 | 2017-11-03 | 苏州岸肯电子科技有限公司 | A kind of adjustable listening room of acoustic efficiency |
| CN108049512A (en) * | 2017-12-21 | 2018-05-18 | 重庆亭航装饰材料有限公司 | Wooden abatvoix |
| CN109339268A (en) * | 2018-10-26 | 2019-02-15 | 苏州岸肯电子科技有限公司 | A kind of sound absorption wedge |
| CN208502610U (en) * | 2017-12-25 | 2019-02-15 | 郑州缘之轩电子信息技术有限公司 | A kind of silencing and damping door |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1979001096A1 (en) * | 1978-05-22 | 1979-12-13 | Alphadyne Inc | Acoustical panel |
| DE4214825A1 (en) * | 1992-05-10 | 1993-11-11 | Nuedling Franz C Basaltwerk | Sound-absorbing brick for constructing wall of building - has rectangular cavity filled with shaped pieces of sound insulating material |
| US20070267248A1 (en) * | 2006-05-17 | 2007-11-22 | William Orlin Gudim | Combination Acoustic Diffuser and Absorber and Method of Production Thereof |
| CN101903652A (en) * | 2007-12-21 | 2010-12-01 | 维斯塔斯风力***集团公司 | A wind turbine, a method for reducing noise emission from a wind turbine tower and use of a wind turbine |
| CN105508043A (en) * | 2015-12-03 | 2016-04-20 | 赵立增 | Mute box type diesel generating set |
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Effective date of registration: 20220520 Address after: 221300 506, block B, electronic industrial park, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Bochuang Construction Development Group Co.,Ltd. Address before: No.88 Liaohe West Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee before: SU Normal University Semiconductor Materials and Equipment Research Institute (Pizhou) Co.,Ltd. |