CN103557072B - power station shelter - Google Patents

power station shelter Download PDF

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Publication number
CN103557072B
CN103557072B CN201310610935.7A CN201310610935A CN103557072B CN 103557072 B CN103557072 B CN 103557072B CN 201310610935 A CN201310610935 A CN 201310610935A CN 103557072 B CN103557072 B CN 103557072B
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CN
China
Prior art keywords
noise
generator set
silencing apparatus
sound
power station
Prior art date
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Expired - Fee Related
Application number
CN201310610935.7A
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Chinese (zh)
Other versions
CN103557072A (en
Inventor
袁春
潘小兵
苏红春
杨贵恒
金钊
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Chongqing Communication College of China PLA
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Chongqing Communication College of China PLA
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Priority to CN201310610935.7A priority Critical patent/CN103557072B/en
Publication of CN103557072A publication Critical patent/CN103557072A/en
Application granted granted Critical
Publication of CN103557072B publication Critical patent/CN103557072B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention provides a kind of power station shelter, be provided with successively from front to back between control, between generator set and between eliminating the noise, wherein, control box and accessory case is provided with in described control, between described control, antetheca offers air intake window, between described control, rear wall is provided with the first silencing apparatus, at least one generator set is provided with in described generator set, the second silencing apparatus that pipe end is connected is vented with described generator set, the 3rd silencing apparatus be connected with described second silencing apparatus is provided with in described noise elimination, between described noise elimination, rear wall offers outlet window, can realize carrying out noise elimination noise reduction to the aerodynamic noise produced in diesel generating set air inlet and exhaust process according to the present invention, the mechanical noise that diesel generating set is produced can be realized, combustion noise, cooling fan noise, electromagnetic noises etc. comprehensively insulate against sound, eliminate the noise and sqouynd absorption lowering noise, the infrared acquisition etc. that power station shelter of the present invention weakens high altitude satellite in practice process can also be realized.

Description

Power station shelter
Technical field
The present invention relates to diesel power generation technical field, particularly and not exclusively, relate to a kind of power station shelter for comprehensive Noise Reduction.
Background technique
Diesel generating set is a kind of power station equipment of highly reliable, high-performance, low cost, and application widely.But noise sound during diesel generating set work is up to 90dBA ~ 120dBA, traditional open-shelf automobile power station, trailer power station, motor-driven power supply vehicle, stationary electric power plant etc. is caused to cause serious noise pollution to user of service, power supply user and surrounding environment.In order to noise when working to power station controls, traditional method is installed on by diesel generating set in car cabin, the port ventilating for generator set and dispel the heat is offered at car bulkhead, fan noise etc. for induction noise and radiator does not take effective control measure, and this mode has certain noise reduction for small-power power station.But when generating set power is larger, can distribute a large amount of heat in cabin during generator set work, cause temperature in cabin to raise, key components and parts heat load weight, affects the normal work of generator set; Simultaneously, for high speed (>=3000r/min), high-power diesel generator set, the exhaust sound produced during work is also larger, adopts simple sound insulation and noise reducing method to be in the past difficult to meet high-speed diesel engine power station controls (sound deadening capacity >35dBA ~ 40dBA) requirement to total noise of centrifuge.Therefore, existing power station shelter can not meet the designing requirement of high speed, high-power silencing type diesel electric power plant.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of power station shelter, for solving in prior art the problem such as Noise measarement and result of ventilating heat dissipation that cannot obtain good high-speed high-power diesel generating set.
For achieving the above object and other relevant objects, the invention provides a kind of power station shelter, be provided with successively from front to back between control, between generator set and between eliminating the noise, control box and accessory case is provided with in described control, between described control, antetheca offers air intake window, between described control, the bottom of rear wall is provided with the first silencing apparatus; Be provided with two generator set in described generator set, be vented with described generator set the second silencing apparatus that pipe end is connected; The 3rd silencing apparatus be connected with described second silencing apparatus is provided with in described noise elimination, between described noise elimination, rear wall offers outlet window, further, common wall between described noise elimination and between described generator set is also provided with low noise axial fan, and the outlet end of described 3rd silencing apparatus is communicated with the base plate between described noise elimination;
Described first silencing apparatus comprises the multiple flaps be evenly laid between described control on rear wall, described flap comprises skin, secondary skin, secondary internal layer and internal layer from outside to inside successively, described flap skin is Pierced Aluminum Plank, described flap time skin is armour layer, described flap time internal layer is set to sound-absorbing material, and described flap internal layer is sound insulationg board.
Further, described second silencing apparatus is expansion muffler, and described 3rd silencing apparatus is impedance composite muffler.
Further, at least one the sound absorption column being positioned at described 3rd silencing apparatus rear is also provided with in described noise elimination.
Further, described sound absorption column be hollow and the column structure that cross section is triangular in shape, described sound absorption column skin is Pierced Aluminum Plank, and described sound absorption column internal layer is sound insulationg board, is provided with sound-absorbing porous material between the outer and internal layer of described sound absorption column.
Further, between described generator set, between wall and described noise elimination, wall is provided with composite sound absorbing sound insulating structure.
Further, described generator set is fixedly installed on the base plate between described generator set by vibration damper.
Further, described air intake window is rain-proof type venetian blind, and described outlet window is noise reduction shutter.
As mentioned above, power station shelter of the present invention, there is following beneficial effect: owing to the present invention includes the first silencing apparatus, the second silencing apparatus and the 3rd silencing apparatus, so can realize carrying out noise elimination noise reduction to diesel generating set charging stage and exhaust phase according to the technological thought of the present invention; Because the present invention also comprises sound absorption column, so can realize carrying out sqouynd absorption lowering noise to the ventilation and heat noise of diesel generating set generation according to the technological thought of the present invention; Because described 3rd muffler tail pipe outlet end is communicated with the base plate in described noise elimination cabin, so can realize according to the technological thought of the present invention the infrared acquisition that power station shelter of the present invention weakens high altitude satellite in practice process, reach the object of concealed target feature; In addition, power station shelter of the present invention adopts sealed type classification to eliminate the noise, the mechanical noise, combustion noise, cooling fan noise, electromagnetic noise etc. that can realize diesel generating set produces comprehensively insulates against sound, eliminates the noise and sqouynd absorption lowering noise, and the noise reduction of whole power station shelter can be made better.
Accompanying drawing explanation
Fig. 1 is shown as the schematic top plan view of power station shelter of the present invention.
Fig. 2 is shown as the perspective view of power station shelter of the present invention.
Fig. 3 is shown as the structural representation of the first silencing apparatus in Fig. 2.
Fig. 4 is shown as the cross sectional representation of flap in Fig. 3.
Fig. 5 is shown as the close-up schematic view at A place in Fig. 4.
Fig. 6 is shown as in Fig. 2 the schematic diagram of the column that absorbs sound.
Fig. 7 is shown as in Fig. 6 the cross sectional representation of the column that absorbs sound.
Fig. 8 is shown as the schematic diagram of composite sound absorbing sound insulating structure in power station shelter of the present invention.
Piece mark explanation
Between 1 control
11 first silencing apparatuss
111 flaps
1111 is outer
1112 skins
1113 internal layers
1114 internal layers
12 control boxs
13 accessory cases
14 air intake windows
Between 2 generator set
21 generator set
22 second silencing apparatuss
23 sinks
24 vibration dampers
Between 3 noise eliminations
31 the 3rd silencing apparatuss
32 sound absorption columns
321 sound absorption columns are outer
322 sound-absorbing porous materials
323 sound absorption column internal layers
33 outlet window
4 composite sound absorbing sound insulating structures
41 sound insulationg boards
42 damping layers
43 armour layers
44 sound-absorbing material layers
45 perforated plates
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 8.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Fig. 1 is shown as the schematic top plan view of power station shelter of the present invention, Fig. 2 is shown as the perspective view of power station shelter of the present invention, as shown in Figure 1 and Figure 2, the invention provides a kind of power station shelter, comprise and to be provided with between control 1 from front to back successively, between generator set 2 and between eliminating the noise 3.Certainly, according to the technological thought of the present invention, between this control 1, between generator set 2 and entity shelter wall can not be comprised between 3 between eliminating the noise.In the present embodiment, between this control 1, between generator set 2 and between eliminating the noise 3 be closed, namely between this control 1, between generator set 2 and 3 be enclosed three cabin structures between eliminating the noise.
Wherein, be provided with control box 12 and accessory case 13 in 1 between control, between described control, 1 antetheca offers air intake window 14, between described control, the bottom of 1 rear wall is provided with the first silencing apparatus 11.In the present embodiment, between this control, 1 carries out working status parameter setting, working state adjustment, load increase and decrease, on off control etc. to being enclosed between generator set each generator assembly in 2, noise to outward leakage when effectively can to reduce between this generator set each component operation in 2.In the present embodiment, this air intake window 14 is rain-proof type venetian blind, for the entering of each unit work required air in 2 between generator set, and is closed and makes whole power station shelter be in closed state when each assembly does not work in 2 between generator set.According to actual needs, the first silencing apparatus 11 is wherein arranged on the bottom of 1 rear wall between this control.This first silencing apparatus 11 comprises the multiple flaps 111 be evenly laid between this control on 1 rear wall, this flap comprises outer 1111, secondary outer 1112, secondary internal layer 1113 and internal layer 1114 from outside to inside successively, this flap outer 1111 is Pierced Aluminum Plank, this flap time skin 1112 is armour layer, this flap time internal layer 1113 is set to sound-absorbing material, and this flap internal layer 1114 is sound insulationg board.In detail, this time skin 1112 is glass fibre cloth, and this flap time internal layer is super glass wool.The essence of this first silencing apparatus 11 is, this flap 111 multiple is combined into folded plate type gas-entered passageway, to make between generator set the generator assembly in 2 obtain carrying out noise elimination noise reduction in the process of air simultaneously.Sound insulationg board wherein mainly plays skeleton, in order to support whole flap 111.Certainly, in other embodiments, this flap 111 can adopt the mode of embedding to be fixedly installed between this control on 1 rear wall.
Fig. 3 is shown as the structural representation of the first silencing apparatus in Fig. 2, Fig. 4 is shown as the cross sectional representation of flap in Fig. 3, Fig. 5 is shown as the close-up schematic view at A place in Fig. 4, the first silencing apparatus 11 in the present embodiment specifically refers to Fig. 3 to Fig. 5, this first silencing apparatus 11 comprises a frame structure, evenly be laid with multiple flap 111 in this frame structure, this flap 111 cross section is arrow-shaped.In the present embodiment, the arrow-shaped direction unification of this flap 111 is perpendicular to fore-and-aft direction, and namely unification is towards any side of power station shelter of the present invention.This flap 111 comprises seven layers altogether, is wherein exposed to that front and back in air are two-layer is referred to herein as outer 1111, and this skin 1111 is Pierced Aluminum Plank, and hole is wherein for the turnover of air.This skin 1111 together forms the acoustic form that resonates with flap internal layer 1114, the parameter such as thickness, punching rate, aperture of the Pierced Aluminum Plank of flap skin 1111 is all arranged according to the actual frequency of noise, and the distance between this flap outer 1111 and this flap internal layer 1114 is also arranged according to the actual frequency of noise.Be close to that the front and back of flap skin 1111 are two-layer is referred to herein as times outer 1112, this time skin 1112 adopts glass fibre cloth material at this, and namely this glass fibre cloth wraps up the secondary internal layer 1113 of this flap 111.This being close to secondary outer 1112 opposite sides of this flap 111 respectively two is referred to herein as time internal layer 1113 layer by layer, this time internal layer 1113 is porous sound-absorbing material, in detail, this internal layer 1113 can the sound-absorbing material such as filling glass cotton, mineral wool, rock wool according to actual needs.This one deck in this internal layer 1113 is internal layer 1114, and in the present embodiment, this internal layer 1114 is sound insulationg board.Wherein, this skin 1112 and this internal layer 1113 coordinate with the resonance acoustic form that this skin 1111 and this flap internal layer 1114 are together formed, and improve the noise elimination noise reduction effect of noise further.
Wherein, be provided with at least one generator set 21 between generator set in 2, be vented the second silencing apparatus 22 that pipe end is connected with this generator set 21.In the present embodiment, be provided with two generator set 21 in 2 between this generator set, this generator set 21 rated power is 80kW, and its rated speed is 3000r/min, and it produces noise is >=110dBA.In actual using process, two generator set 21 with one for one mode run, also can the parallel running of two generator set 21.Certainly, type, the model and quantity etc. of generator set 21 can be set arbitrarily in 2 according to the technological thought of the present invention between generator set.
In the present embodiment, this second silencing apparatus 22 is expanssion type impedance silencer, and two expanssion type impedance silencers are connected to the exhaust pipe end of each generator set 21.In detail, what the exhaust pipe end of this generator set 21 adopted is wavy metal vibration damping pipe, and this expanssion type impedance silencer is connected with this expanssion type impedance silencer by flange, and flange connections wherein increases flexible liner.In the present embodiment, this generator set 21 is fixedly installed on by vibration damper 24 on the base plate of between this generator set 2, and vibration damper 24 is wherein specially elastic suspension, so arranges can reduce acoustic form and to be coupled the noise encouraged.In detail, power station shelter base plate of the present invention is metal sound insulation plate, and this vibration damper 24 adopts encapsulation process with the joint of power station shelter base plate.Between this noise elimination between 3 and described generator set 2 common wall on be also provided with low noise axial fan, this low noise axial fan is used for 2 carrying out forced heat radiation between generator set.Certainly, in the present embodiment or other embodiments, between this noise elimination, 3 antethecas are also provided with for for generator set 21 heat radiation sink 23, so-called sink 23 comprises cooling fan and heat radiator assembly herein.And, in between this generator set 2 both sides on offer AD and handling door respectively, each door inwall all adopts composite sound absorbing sound insulating structure 4 (hold and hereinafter describe in detail), the function possess sound absorption, insulating against sound, door and doorframe junction adopt sealing joint strip, prevent interior noise from leaking.
In the present embodiment or other embodiments, between this noise elimination, 3 antethecas are provided with venetian blind with this sink 23 and this low noise axial fan corresponding part, when this sink 23 and this low noise axial fan all work, venetian blind between this noise elimination on 3 antethecas is opened, when this sink 23 and this low noise axial fan all do not work, venetian blind between this noise elimination on 3 antethecas is closed, and pours in down a chimney and to postback between group of motors 2, affect noise reduction and result of ventilating heat dissipation with the air preventing from entering between noise elimination 3.
Wherein, be provided with the 3rd silencing apparatus 31 be connected with this second silencing apparatus 22 in 3 between noise elimination, between this noise elimination, 3 rear walls offer outlet window 33.In the present embodiment, 3rd silencing apparatus 31 is impedance composite muffler, this second silencing apparatus 22 is connected by wavy metal vibration damping pipe with the 3rd silencing apparatus 31,3rd silencing apparatus 31 is also communicated to outside power station shelter by wavy metal vibration damping pipe, joint wherein all adopts flange method to connect, and this flange connections all increases flexible liner.Further, the surface of this wavy metal vibration damping pipe is all used heat-resistant fireproof shaped material to wrap up and is protected, and in addition, liner is also made with anti-flaming thermal-insulation shaped material in this wavy metal vibration damping pipe and power station shelter wall joint.In the present embodiment, this outlet window 33 is noise reduction shutter, is mainly used in the noise elimination noise reduction in the stage of giving vent to anger.In detail, between this noise elimination, maintenance hatch door offered by 3 rear walls, and these maintenance hatch door both sides respectively offer an outlet window 33, and this outlet window 33 is noise reduction shutter.
Fig. 6 is shown as in Fig. 2 the schematic diagram of the column that absorbs sound, Fig. 7 is shown as in Fig. 6 the cross sectional representation of the column that absorbs sound, shown in Fig. 6 and Fig. 7, in the present embodiment, between this noise elimination, be also provided with at least one the sound absorption column 32 being positioned at the 3rd silencing apparatus 31 rear in 3.Described sound absorption column 32 be hollow and the column structure that cross section is triangular in shape, described sound absorption column outer 321 is Pierced Aluminum Plank, described sound absorption column internal layer 323 is sound insulationg board, is provided with sound-absorbing porous material 322 between described sound absorption column outer 321 and sound absorption column internal layer 323.In the present embodiment, three these sound absorption columns 32 to be erected between this noise elimination in 3, and sound-absorbing porous material 322 wherein can the sound-absorbing material such as filling glass cotton, mineral wool, rock wool according to actual needs.Preferably, this sound-absorbing porous material 322 is wrapped up by armour layer and is arranged between this sound absorption column outer 321 and sound absorption column internal layer 323.In the present embodiment or other embodiments, multiple sound absorption column 32 is erected on the rear wall front of between this noise elimination 3, and each sound absorption column 32 is higher than the position of any sink 23 or low noise axial fan.It is Pierced Aluminum Plank and sound insulationg board that this sound absorption column 32 is exposed to outermost in air two-layer, jointly plays a supportive role to whole sound absorption column.This sound absorption column 32 is fixedly set on the base plate of between this noise elimination 3 in reality use, manufacture process.
Preferably, this first silencing apparatus 11 near between this control 1 base plate, the outlet end of the 3rd silencing apparatus 31 with between this noise elimination 3 base plate be communicated with.The hidden infrared target feature that can reach in actual using process is so set, prevents the infrared acquisition of deep space satellite, and can conserve space etc.
Fig. 8 is shown as the schematic diagram of composite sound absorbing sound insulating structure in power station shelter of the present invention, and shown in Fig. 8, in the present embodiment, between this generator set, between 2 walls and this noise elimination, 3 walls are provided with composite sound absorbing sound insulating structure 4.This composite sound absorbing sound insulating structure 4 at least comprises five layers, is respectively the sound insulationg board 41, damping layer 42, armour layer 43, sound-absorbing material layer 44 and the perforated plate 45 that set gradually.
In sum, power station shelter of the present invention can realize carrying out noise elimination noise reduction to diesel generating set charging stage and exhaust phase, can realize absorbing sound and noise elimination noise reduction to sink, exhaust sound etc., the hidden etc. of the infrared target feature of power station shelter of the present invention in practice process can also be realized.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.

Claims (7)

1. a power station shelter, it is characterized in that: be provided with successively from front to back between control, between generator set and between eliminating the noise, be provided with control box and accessory case in described control, between described control, antetheca offer air intake window, between described control, the bottom of rear wall is provided with the first silencing apparatus; Be provided with two generator set in described generator set, be vented with described generator set the second silencing apparatus that pipe end is connected; The 3rd silencing apparatus be connected with described second silencing apparatus is provided with in described noise elimination, between described noise elimination, rear wall offers outlet window, common wall between described noise elimination and between described generator set is also provided with low noise axial fan, and the outlet end of described 3rd silencing apparatus is communicated with the base plate between described noise elimination;
Described first silencing apparatus comprises the multiple flaps be evenly laid between described control on rear wall, described flap comprises skin, secondary skin, secondary internal layer and internal layer from outside to inside successively, described flap skin is Pierced Aluminum Plank, described flap time skin is armour layer, described flap time internal layer is set to sound-absorbing material, and described flap internal layer is sound insulationg board.
2. power station shelter according to claim 1, is characterized in that: described second silencing apparatus is expansion muffler, and described 3rd silencing apparatus is impedance composite muffler.
3. power station shelter according to claim 1, is characterized in that: be also provided with at least one the sound absorption column being positioned at described 3rd silencing apparatus rear in described noise elimination.
4. power station shelter according to claim 3, it is characterized in that: described sound absorption column be hollow and the column structure that cross section is triangular in shape, described sound absorption column skin is Pierced Aluminum Plank, described sound absorption column internal layer is sound insulationg board, is provided with sound-absorbing porous material between described sound absorption column skin and internal layer.
5. power station shelter according to claim 1, is characterized in that: between described generator set, between wall and described noise elimination, wall is provided with composite sound absorbing sound insulating structure.
6. power station shelter according to claim 1, is characterized in that: described generator set is fixedly installed on the base plate between described generator set by vibration damper.
7. power station shelter according to claim 1, is characterized in that: described air intake window is rain-proof type venetian blind, and described outlet window is noise reduction shutter.
CN201310610935.7A 2013-11-26 2013-11-26 power station shelter Expired - Fee Related CN103557072B (en)

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CN103557072B true CN103557072B (en) 2015-12-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593638A (en) * 2017-01-22 2017-04-26 广东绿谷净化设备有限公司 High-power outdoor container type diesel generating set machine room

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CN201780778U (en) * 2010-08-27 2011-03-30 张宇 Multi-module resistance composite sound insulating board
CN202176414U (en) * 2011-08-01 2012-03-28 浙江中高动力科技股份有限公司 Ultra silent diesel generating set
CN202202951U (en) * 2010-12-29 2012-04-25 柳州市恒达动力机械制造有限公司 Novel energy-saving and low noise diesel generator set
CN203856572U (en) * 2013-11-26 2014-10-01 中国人民解放军重庆通信学院 Power station shelter

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Publication number Priority date Publication date Assignee Title
JP2002285858A (en) * 2001-03-27 2002-10-03 Asahi Denki Kk Portable type or on-vehicle type power generator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101320890A (en) * 2008-02-03 2008-12-10 科泰电源设备(上海)有限公司 Combination type low noise square compartment power station
CN101480934A (en) * 2009-01-22 2009-07-15 上海科泰电源股份有限公司 Low-noise vehicle-mounted power station
CN201780778U (en) * 2010-08-27 2011-03-30 张宇 Multi-module resistance composite sound insulating board
CN202202951U (en) * 2010-12-29 2012-04-25 柳州市恒达动力机械制造有限公司 Novel energy-saving and low noise diesel generator set
CN202176414U (en) * 2011-08-01 2012-03-28 浙江中高动力科技股份有限公司 Ultra silent diesel generating set
CN203856572U (en) * 2013-11-26 2014-10-01 中国人民解放军重庆通信学院 Power station shelter

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