CN116343735B - Large horizontal muffler for water-cooled generator set - Google Patents
Large horizontal muffler for water-cooled generator set Download PDFInfo
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- CN116343735B CN116343735B CN202310641925.3A CN202310641925A CN116343735B CN 116343735 B CN116343735 B CN 116343735B CN 202310641925 A CN202310641925 A CN 202310641925A CN 116343735 B CN116343735 B CN 116343735B
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- 230000030279 gene silencing Effects 0.000 claims abstract description 99
- 230000009467 reduction Effects 0.000 claims abstract description 78
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000003584 silencer Effects 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 7
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 22
- 239000002912 waste gas Substances 0.000 description 21
- 238000009423 ventilation Methods 0.000 description 19
- 239000007789 gas Substances 0.000 description 18
- 238000003825 pressing Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 8
- 238000010248 power generation Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000001743 silencing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the field of silencers, in particular to a large horizontal silencer for a water-cooled generator set, which comprises a silencing main box, wherein a damping seat is arranged at the bottom of the silencing main box, an air outlet is arranged on the side surface of the silencing main box, a silencing auxiliary box is arranged on one side of the silencing main box, which is provided with the air outlet, the silencing auxiliary box is connected to the silencing main box in a sealing way, slots are arranged on the silencing auxiliary box, a bottom support is arranged at the bottom of the silencing auxiliary box, a flow guiding frame is assembled on the slots and the bottom support, a folding plate is arranged in the flow guiding frame, a height-adjustable silencing plate is arranged in the folding plate, a vent is arranged on one side of the silencing auxiliary box, which is far away from the silencing main box, a movable support which is bidirectionally adjusted is arranged at the vent, an active noise reduction module is fixedly arranged on the movable support, and a bidirectional fixing structure is arranged on the movable support; the invention can achieve the purpose of reducing noise in the exhaust emission channel and balancing the emission speed requirement and the mute requirement.
Description
Technical Field
The invention relates to the technical field of silencers, in particular to a large horizontal silencer for a water-cooled generator set.
Background
Gensets are widely used in a variety of fields including industry, business, residential and the like. However, the problems of noise and heat generated by the conventional generator set in the working process are always the focus of attention, and the combination of the water-cooled generator set and the large horizontal muffler can effectively solve a part of the problems of noise and heat. The water-cooling generator set adopts a water-cooling technology to reduce the temperature in the power generation process and improve the thermal efficiency. Compared with the traditional air-cooled generator set, the water-cooled generator set can cool the generator assembly more effectively, reduce heat loss, remove fans and reduce noise greatly.
The large horizontal muffler effectively absorbs noise generated by the generator set through sound absorbing materials and structural design, generally adopts a semi-closed structure, and effectively avoids most of noise from being transmitted. Although the water-cooling generator set can avoid setting an air-cooling fan to reduce noise, waste gas can be generated when the generator set generates electricity, the waste gas is discharged outwards, the noise can be transmitted along with the discharge of the waste gas, and the silence of the generator set can be poor due to the noise of the water-cooling generator set, so that the required effect can not be achieved.
Disclosure of Invention
The invention aims to provide a large horizontal muffler for a water-cooled generator set, so as to achieve the purposes of reducing noise in an exhaust gas discharge channel and balancing discharge speed requirements and mute requirements, and solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a large-scale horizontal muffler for water-cooling generator set, includes the amortization main tank, amortization main tank bottom is provided with the shock attenuation seat, and the side of amortization main tank is provided with the air exit, one side that the amortization main tank was provided with the air exit still is provided with positioning seat and sealing seat, and is provided with the screw rod on the positioning seat, be equipped with the amortization auxiliary tank on the positioning seat, and amortization auxiliary tank sealing connection is on the amortization main tank, the arrangement is provided with the slot on the amortization auxiliary tank, and the bottom arrangement of amortization auxiliary tank is provided with the collet, be equipped with the water conservancy diversion frame on slot and the collet, and be provided with the folded sheet in the water conservancy diversion frame, be provided with highly adjustable acoustical panel in the folded sheet, and be provided with the sound absorption hole on the acoustical panel, and the top of water conservancy diversion frame is provided with sealed roof, one side that the amortization auxiliary tank kept away from the amortization main tank is provided with the screw rod, and the vent department is provided with the movable support of two-way regulation, fixed mounting has initiative noise reduction module on the movable support, and is provided with two-way fixed structure on the movable support through the position of the initiative on the fixed structure on the movable support that the movable support of making an uproar.
Preferably, the shock-absorbing seat is arranged on the bottom surface of the main silencing box in a balanced mode, shock-absorbing feet are arranged at the bottom of the auxiliary silencing box, a filter screen is arranged on the air outlet, the screw is vertically connected to the positioning seat, and the sealing seat adopts a square frame structure with a wrapping layer arranged on the surface.
Preferably, the end face of the silencing auxiliary box is provided with a square sealing groove, the sealing groove is connected with the sealing seat, the silencing auxiliary box is provided with a plugboard with a jack, and the plugboard is fixed on the positioning seat through a bolt assembly.
Preferably, the slots are formed in the top of the silencing auxiliary box at equal intervals, the number of the bottom brackets is consistent with that of the slots, and the bottom brackets are located at the bottom of the slots.
Preferably, the flow guiding frame is a square frame, the folding plate is vertically arranged, the sound absorbing plate is located in the middle of the folding plate, sound absorbing holes are arranged on the sound absorbing plate, the inner wall of each sound absorbing hole is covered with a sound absorbing layer, and a spiral structure is arranged on the inner wall of each sound absorbing hole.
Preferably, the middle part fixed mounting of acoustical panel has the nut seat, and the middle part of water conservancy diversion frame is provided with accommodate the lead screw, accommodate the lead screw passes through servo motor drive, and the nut seat is connected on accommodate the lead screw.
Preferably, the sealed roof sets up around the water conservancy diversion frame top surface, and sealed roof and the top surface zonulae occludens of amortization auxiliary tank, the top of water conservancy diversion frame is provided with the casting die of L type, and the top of amortization auxiliary tank is provided with the footstock, it is provided with first spring pole to rotate on the footstock, and swing joint has the clamp plate on the first spring pole, the clamp plate is connected at the top surface of casting die.
Preferably, the vent is arranged in the middle of the silencing auxiliary box, horizontal guide rails are arranged on two sides of the vent, vertical guide rails are movably connected in the horizontal guide rails, and the movable support is connected among the two vertical guide rails.
Preferably, the active noise reduction module is arranged in the middle of the movable support, and comprises a sound detection part, an audio output part and a conversion control part.
Preferably, the bidirectional fixing structure comprises a second spring rod arranged at the end part of the movable support, a movable seat is slidably arranged on the second spring rod, a horizontal positioning rod and a vertical positioning rod are fixedly connected to the movable seat, and the horizontal positioning rod and the vertical positioning rod are respectively positioned on the side surfaces of the horizontal guide rail and the vertical guide rail.
Compared with the prior art, the invention has the beneficial effects that:
1. the horizontal silencer provided by the invention can be used for carrying out wrapped silencing of the water-cooled generator set, the water-cooled generator set is fixedly arranged in the silencing main box, the silencing main box can isolate noise, mechanical vibration generated during power generation is filtered through the damping seat, the effect of reducing the noise is achieved, the exhaust part of the generator set is arranged towards the air outlet, the noise transmitted in exhaust gas can be further eliminated through the silencing auxiliary box arranged at the air outlet, and the silence of the whole generator set is improved.
2. According to the invention, the silencing auxiliary box is in butt joint with the side face of the silencing main box, and can be disassembled to facilitate the update and maintenance of the internal silencing component, the inner wall of the silencing auxiliary box is made of silencing materials, the waste gas can be subjected to noise reduction when flowing in the silencing auxiliary box, the silencing auxiliary box is also provided with a plurality of layers of silencing components, and the silencing auxiliary box can be independently disassembled for installation, so that the effect of facilitating the later maintenance is maximized, and the reduction of the silencing effect caused by impurities in the waste gas is avoided.
3. According to the invention, the silencing assembly takes the guide frames as a main body, the quantity of the guide frames can be changed according to actual needs, the silencing effect and the exhaust speed are balanced, most channels of the guide frames are blocked by the folding plates, the positions of the silencing plates arranged in the folding plates can be used as exhaust gas flowing positions, when exhaust gas passes through the sound absorbing holes, the sound absorbing layers and the spiral structures in the sound absorbing holes are utilized for noise reduction and absorption, after the exhaust gas is subjected to multi-stage noise reduction, the exhaust gas is discharged from the ventilation opening of the silencing auxiliary box, the noise formed by the water-cooled generator set is effectively reduced, the height of the silencing plates in the guide frames can be adjusted, the silencing assemblies formed by the guide frames can adjust the silencing plates in each guide frame to different heights according to needs, so that the exhaust gas passes through the silencing plates in a more wave-folding mode, the exhaust gas discharge channel is prolonged, the better noise reduction effect can be achieved, meanwhile, the exhaust speed of the exhaust gas can be adaptively adjusted according to the power of the generator set, and when the exhaust gas discharge speed required by the generating power is high, the middle position of each guide frame can be set at the highest, and the exhaust speed is the maximum.
4. According to the invention, final noise reduction can be performed through the active noise reduction module, the noise reduction effect is further achieved, the influence of the active noise reduction module on the exhaust emission speed is considered, when the exhaust emission speed is required to be higher, the active noise reduction module can be guided away from the ventilation opening through the horizontal guide rail, the noise reduction effect is sacrificed, the ventilation effect is improved, and when the exhaust emission speed is required to be higher, the active noise reduction module can be lifted through the vertical guide rail and separated from the ventilation opening.
Drawings
Fig. 1 is a first schematic view of the overall structure of the present invention.
Fig. 2 is a second schematic view of the overall structure of the present invention.
FIG. 3 is a schematic view of the structure of the main muffler box according to the present invention.
Fig. 4 is a schematic view of the structure of the silencing auxiliary case of the present invention.
Fig. 5 is a schematic view showing the internal structure of the silencing auxiliary case of the present invention.
Fig. 6 is a schematic view of a plurality of flow guiding frame structures according to the present invention.
Fig. 7 is a schematic view of a single flow guiding frame structure of the present invention.
Fig. 8 is a schematic view of a flow guiding frame mounting structure according to the present invention.
Fig. 9 is a schematic view of the vent structure of the sub-tank of the present invention.
Fig. 10 is a schematic diagram of an active noise reduction structure according to the present invention.
Fig. 11 is a cross-sectional view of the muffler plate and the muffler hole structure of the present invention.
In the figure: the device comprises a silencing main box 1, a damping seat 2, an air outlet 3, a positioning seat 4, a screw 5, a sealing seat 6, a silencing auxiliary box 7, a sealing groove 8, a plugboard 9, a bolt assembly 10, a slot 11, a bottom support 12, a flow guiding frame 13, a folding plate 14, a silencing plate 15, a sound absorbing hole 16, a nut seat 17, an adjusting screw rod 18, a sealing top plate 19, a pressing piece 20, a top seat 21, a first spring rod 22, a pressing plate 23, a ventilation opening 24, a horizontal guide rail 25, a vertical guide rail 26, a movable support 27, an active noise reduction module 28, a second spring rod 29, a movable seat 30, a horizontal positioning rod 31 and a vertical positioning rod 32.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, under the precondition of no conflict, new embodiments can be formed by any combination of the embodiments or technical features described below, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a large-scale horizontal muffler for water-cooling generator set, including amortization main tank 1, amortization main tank 1 bottom is provided with damper 2, and the side of amortization main tank 1 is provided with air exit 3, one side that amortization main tank 1 was provided with air exit 3 still is provided with positioning seat 4 and sealing seat 6, and be provided with screw rod 5 on the positioning seat 4, be equipped with amortization sub-tank 7 on the positioning seat 4, and amortization sub-tank 7 sealing connection is on amortization main tank 1, it is provided with slot 11 to arrange on the amortization sub-tank 7, and the bottom arrangement of amortization sub-tank 7 is provided with collet 12, be equipped with water conservancy diversion frame 13 on slot 11 and the collet 12, and be provided with folded sheet 14 in the water conservancy diversion frame 13, be provided with height-adjustable acoustical panel 15 in the folded sheet 14, and be provided with on the acoustical panel 15 and arrange and be provided with sound absorbing hole 16, and the top of water conservancy diversion frame 13 is provided with sealed roof 19, one side that amortization sub-tank 7 kept away from amortization main tank 1 is provided with vent 24, and vent 24 department is provided with two-way adjustable movable support 27, fixed mounting has initiative noise reduction module 28 on the movable support 27, and the fixed position is through two-way fixed structure on the movable support 27.
The shock mount 2 is balanced to be set up in the bottom surface of amortization main tank 1, and the bottom of amortization auxiliary tank 7 is provided with the shock attenuation foot, is provided with the filter screen on the air exit 3, and screw rod 5 is connected perpendicularly on positioning seat 4, and sealing seat 6 adopts the square frame structure that the surface is provided with the parcel layer.
The horizontal silencer provided by the invention can be used for carrying out wrapped silencing of the water-cooled generator set, the water-cooled generator set is fixedly arranged in the silencing main box 1, the silencing main box 1 can isolate noise, mechanical vibration generated during power generation is filtered through the damping seat 2, the effect of reducing the noise is achieved, the exhaust part of the generator set is arranged towards the air outlet 3, the noise transmitted in waste gas can be further eliminated through the silencing auxiliary box 7 arranged at the air outlet 3, and the overall silence of the generator set is improved.
Be provided with square seal groove 8 on the terminal surface of amortization auxiliary tank 7, and seal groove 8 is connected with seal seat 6, is provided with the picture peg 9 of taking the jack on the amortization auxiliary tank 7, and picture peg 9 passes through bolt assembly 10 to be fixed on positioning seat 4.
The auxiliary silencing box 7 is in butt joint with the side of the main silencing box 1 and is in sealing connection with the sealing seat 6 through the sealing groove 8, meanwhile, the inserting plate 9 penetrates through the screw rod 5 to be connected with the positioning seat 4, the bolt assembly 10 is used for being connected to the screw rod 5, the auxiliary silencing box 7 can be quickly and fixedly assembled on the side of the main silencing box 1, and the auxiliary silencing box 7 can be detached to facilitate the updating and maintenance of the internal silencing assembly.
The slots 11 are equidistantly arranged at the top of the silencing auxiliary box 7, the number of the bottom brackets 12 is consistent with that of the slots 11, and the bottom brackets 12 are positioned at the bottom of the slots 11.
The noise reduction material is adopted to the vice case 7 inner wall of amortization, and waste gas can fall the noise when flowing wherein, still is provided with multilayer noise reduction subassembly in the vice case 7 of amortization, simultaneously, the noise reduction subassembly in the vice case 7 of amortization adopts the mode that can dismantle alone to install, and noise reduction subassembly uses water conservancy diversion frame 13 as the main part, and water conservancy diversion frame 13 inserts through slot 11 and establishes in collet 12, also can directly extract from slot 11, consequently can change the quantity of water conservancy diversion frame 13 according to actual need.
The flow guiding frame 13 is a square frame, the folding plate 14 is vertically arranged, the sound absorbing plate 15 is positioned in the middle of the folding plate 14, the sound absorbing holes 16 are arranged on the sound absorbing plate 15, the inner wall of the sound absorbing holes 16 is covered with a sound absorbing layer, and a spiral structure is arranged on the inner wall of the sound absorbing holes 16.
The baffle frame 13 is vertically inserted in the silencing auxiliary box 7, a square frame structure is adopted, most channels are blocked by the folding plate 14, the position of the silencing plate 15 arranged in the folding plate 14 can be used as a waste gas flowing place, when waste gas passes through the sound absorbing holes 16, the sound absorbing layer and the spiral structure in the sound absorbing holes 16 are utilized for noise reduction and absorption, the sound absorbing layer is made of porous materials such as sound absorbing sponge, and the like, and due to the fact that a large number of air holes and holes exist in the sound absorbing layer, sound waves can be repeatedly refracted, scattered and absorbed in the sound absorbing layer, the sound absorbing auxiliary box, the spiral structure can guide the waste gas, backflow is formed in the sound absorbing holes 16, refraction and absorption noise reduction effects are achieved, and the waste gas is discharged from the ventilation opening 24 of the silencing auxiliary box 7 after the multi-stage noise reduction, so that noise formed by the water-cooling generator set is effectively reduced.
The middle part fixed mounting of acoustical panel 15 has nut seat 17, and the middle part of water conservancy diversion frame 13 is provided with accommodate the lead screw 18, and accommodate the lead screw 18 through servo motor drive, and nut seat 17 connects on accommodate the lead screw 18.
And the height of the silencer 15 in the guide frames 13 can be adjusted, the silencer assembly formed by a plurality of guide frames 13 can adjust the silencer 15 in each guide frame 13 to different heights according to the needs, so that waste gas passes through the silencer 15 in a more corrugated manner, the exhaust channel of the waste gas is prolonged, the better noise reduction effect can be achieved through longer-time silencing, the adjusting of the silencer 15 is completed by rotating the adjusting screw 18 to drive the nut seat 17 to move, meanwhile, the exhaust speed of the waste gas can be adaptively adjusted according to the power generation capacity of the generator set, and when the power generation capacity is high, the exhaust speed of the waste gas is high, the silencer 15 in each guide frame 13 can be arranged at the middle position, so that the waste gas is discharged on a straight line.
The sealing top plate 19 is arranged around the top surface of the flow guiding frame 13, the sealing top plate 19 is tightly connected with the top surface of the silencing auxiliary box 7, an L-shaped pressing piece 20 is arranged at the top of the flow guiding frame 13, a top seat 21 is arranged at the top of the silencing auxiliary box 7, a first spring rod 22 is rotatably arranged on the top seat 21, a pressing plate 23 is movably connected to the first spring rod 22, and the pressing plate 23 is connected to the top surface of the pressing piece 20.
When the flow guiding frame 13 is installed, the top of the flow guiding frame 13 is sealed with the silencing auxiliary box 7 through the sealing top plate 19, the pressing plate 23 can be rotated to the upper side of the pressing piece 20, the flow guiding frame 13 is tightly inserted into the silencing auxiliary box 7 through the elastic force generated by the first spring rod 22, and when needed, the pressing plate 23 can be rotated away through the first spring rod 22, the flow guiding frame 13 is taken out, and the cleaning and the maintenance of the silencing plate 15 are performed.
The vent 24 is arranged in the middle of the silencing auxiliary box 7, horizontal guide rails 25 are arranged on two sides of the vent 24, vertical guide rails 26 are movably connected in the horizontal guide rails 25, and a movable support 27 is connected among the two vertical guide rails 26.
When the exhaust gas subjected to multi-layer noise reduction is finally discharged from the ventilation opening 24, the final noise reduction can be performed through the active noise reduction module 28, and the noise reduction effect is further achieved.
The active noise reduction module 28 is disposed in the middle of the movable support 27, and the active noise reduction module 28 includes a sound detection portion, an audio output portion, and a conversion control portion.
The active noise reduction module 28 detects the noise waveform in the exhaust gas through the sound detection portion, and controls the audio output portion to output the reverse waveform through the conversion control portion, thereby neutralizing the noise and achieving the effect of noise reduction. The active noise reduction module 28 adopts an open space sound field active noise reduction mode, which is different from a one-dimensional single-point active noise reduction mode of the noise reduction earphone, and can reduce noise in the area of the ventilation opening 24. The conversion control part is provided with a sound field calculation method, the sound detection part is mainly provided with a plurality of groups of microphones, data such as noise distribution, characteristics and the like are collected by listening to background noise in a space field, namely a ventilation opening 24 through the microphones, the processor receives the data, then performs calculation analysis modeling on the sound field, and according to a sound field model, the processor runs a control algorithm to calculate and generate a reverse sound wave signal for driving the audio output part to sound. The audio output part is mainly a sound box, and the sound box receives the reverse sound wave signal to play noise reduction sound waves so as to reduce noise. And the conversion control part is also provided with an error sensor, the error sensor collects noise signals in the noise-reduced area in real time and returns the noise signals to the central processing unit, and the processor adjusts reverse sound wave signals in real time according to the noise reduction effect. Under normal conditions, the active noise reduction module 28 plays an optimal noise reduction effect over against the ventilation opening 24, and when the exhaust speed is required to be higher, the active noise reduction module 28 can be guided away from the ventilation opening 24 through the horizontal guide rail 25, the noise reduction effect is sacrificed, the ventilation effect is improved, and when the exhaust speed is required to be higher, the active noise reduction module 28 can be lifted through the vertical guide rail 26 to be separated from the position of the ventilation opening 24, in consideration of the influence of the active noise reduction module 28 on the exhaust speed.
The bidirectional fixing structure comprises a second spring rod 29 arranged at the end part of the movable support 27, a movable seat 30 is slidably arranged on the second spring rod 29, a horizontal positioning rod 31 and a vertical positioning rod 32 are fixedly connected to the movable seat 30, and the horizontal positioning rod 31 and the vertical positioning rod 32 are respectively positioned on the side surfaces of the horizontal guide rail 25 and the vertical guide rail 26.
The adjustment of the active noise reduction module 28 is completed by utilizing the movement of the movable support 27 in the vertical guide rail 26 and the movement of the vertical guide rail 26 in the horizontal guide rail 25, when the adjustment is completed, the movable seat 30 needs to be pulled backwards against the elastic force of the second spring rod 29, so that the horizontal positioning rod 31 and the vertical positioning rod 32 are separated from the two guide rails, after the adjustment is completed, the movable seat 30 is released, under the action of the spring, the horizontal positioning rod 31 and the vertical positioning rod 32 are connected to the surfaces of the two guide rails, and the friction force is generated to fix the positions of the movable support 27 and the active noise reduction module 28.
The invention is used when in use: firstly, the horizontal silencer of the invention can carry out wrapped silencing of the water-cooled generator set, the water-cooled generator set is fixedly arranged in the silencing main box 1, the silencing main box 1 can isolate noise, mechanical vibration generated during power generation is filtered by the damping seat 2, the effect of reducing noise is achieved, the exhaust part of the generator set is arranged towards the air outlet 3, noise transmitted in exhaust gas can be further eliminated through the silencing auxiliary box 7 arranged at the air outlet 3, the overall silence of the generator set is improved, the silencing auxiliary box 7 is butted on the side surface of the silencing main box 1, sealing connection is carried out between the sealing groove 8 and the sealing seat 6, meanwhile, the plugboard 9 is connected with the positioning seat 4 through the screw 5, the bolt assembly 10 is used for connecting on the screw 5, the fixation can be rapidly completed, the silencing auxiliary box 7 is assembled on the side surface of the silencing main box 1, and the silencing auxiliary box 7 can be disassembled, in order to facilitate the update and maintenance of the internal silencing components, the inner wall of the silencing auxiliary box 7 is made of silencing materials, the waste gas can be reduced in noise when flowing in the silencing auxiliary box 7, a plurality of layers of silencing components are arranged in the silencing auxiliary box 7, meanwhile, the silencing components in the silencing auxiliary box 7 are installed in a mode of being independently detachable, the silencing components are mainly made of guide frames 13, the guide frames 13 are inserted into the bottom brackets 12 through the slots 11 and can be directly pulled out from the slots 11, so that the number of the guide frames 13 can be changed according to actual needs, the guide frames 13 are vertically inserted into the silencing auxiliary box 7, a square frame structure is adopted, most of channels are blocked by the folding plates 14, the position of the silencing plates 15 arranged in the folding plates 14 can be used as the flowing place of the waste gas, when the waste gas passes through the sound absorbing holes 16, the sound absorbing layers and the spiral structures in the sound absorbing holes 16 are utilized to reduce the noise, the exhaust gas is discharged from the ventilation opening 24 of the silencing auxiliary box 7 after the multistage noise reduction, the noise formed by the water-cooled generator set is effectively reduced, the height of the silencing plate 15 in the guide frames 13 can be adjusted, the silencing assemblies formed by a plurality of guide frames 13 can adjust the silencing plate 15 in each guide frame 13 to different heights according to the needs, so that the exhaust gas passes through the silencing plate 15 in a more wave-folding manner, the exhaust channel of the exhaust gas is prolonged, the better noise reduction effect can be achieved after the longer silencing, the adjustment of the silencing plate 15 is completed by the movement of the nut seat 17 driven by the rotation of the adjusting screw 18, meanwhile, the exhaust gas discharge speed can be adaptively adjusted according to the power of the generator set, when the power generation is high and the exhaust gas discharge speed is high, the silencing plate 15 in each guide frame 13 can be arranged at the middle position, when the flow guiding frame 13 is installed, the top of the flow guiding frame 13 is sealed with the silencing auxiliary box 7 through the sealing top plate 19, the pressing plate 23 can be rotated to the upper side of the pressing piece 20, the flow guiding frame 13 is tightly inserted into the silencing auxiliary box 7 through the elastic force generated by the first spring rod 22, the pressing plate 23 can be rotated away through the first spring rod 22 when needed, the flow guiding frame 13 is taken out for cleaning and maintaining the silencing plate 15, when the multi-layer noise-reduced waste gas is finally discharged from the ventilation opening 24, the final noise reduction can be carried out through the active noise reduction module 28, the silencing effect is further achieved, the active noise reduction module 28 detects the noise waveform in the waste gas through the sound detection part, the reverse waveform is output through the conversion control part, the noise is neutralized, the active noise reduction module 28 has the noise reduction effect, and under normal conditions, the active noise reduction module 28 is opposite to the ventilation opening 24 and has the optimal noise reduction effect, the active noise reduction module 28 can be far away from the ventilation opening 24 through the guide of the horizontal guide rail 25 when the larger exhaust speed is required, the ventilation effect is improved by sacrificing the noise reduction effect, the active noise reduction module 28 can be lifted through the vertical guide rail 26 when the exhaust speed is required to be larger, the active noise reduction module 28 is separated from the ventilation opening 24, the movable support 27 moves in the vertical guide rail 26, the vertical guide rail 26 moves in the horizontal guide rail 25, during adjustment, the movable seat 30 is required to be pulled backwards against the elastic force of the second spring rod 29, the horizontal positioning rod 31 and the vertical positioning rod 32 are separated from the two guide rails, after the adjustment is completed, the movable seat 30 is released, the horizontal positioning rod 31 and the vertical positioning rod 32 are connected to the two guide rail surfaces under the action of the spring, and the friction force is generated to fix the positions of the movable support 27 and the active noise reduction module 28.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but various modifications can be made by those skilled in the art without inventive effort from the above concepts, and all modifications are within the scope of the present invention.
Claims (9)
1. The utility model provides a large-scale horizontal silencer for water-cooled generator, includes amortization main tank (1), its characterized in that: the utility model discloses a noise reduction device, including main noise reduction box (1), noise reduction box (7), air outlet (3) are arranged on the side of main noise reduction box (1), positioning seat (4) and sealing seat (6) are still provided with on one side that main noise reduction box (1) is provided with air outlet (3), and be provided with screw rod (5) on positioning seat (4), be equipped with noise reduction box (7) on positioning seat (4), and noise reduction box (7) sealing connection is on main noise reduction box (1), be provided with slot (11) on noise reduction box (7), and noise reduction box (7) bottom arrangement is provided with collet (12), be provided with water conservancy diversion frame (13) on slot (11) and collet (12), and be provided with folding plate (14) in water conservancy diversion frame (13), be provided with high adjustable acoustical panel (15) in the folding plate (14), and arrange on positioning seat (15) and be provided with sound absorption hole (16), and the top of water conservancy diversion frame (13) is provided with sealing auxiliary box (19), noise reduction box (7) bottom arrangement is provided with slot (12) on noise reduction box (7), and noise reduction box (24) are kept away from on one side of the support (27) and are provided with two-way movable vent (27), and be provided with two-way fixed knot on movable support (27), the position of initiative noise reduction module (28) on fixed movable support (27) through two-way fixed knot constructs, the middle part fixed mounting of acoustical panel (15) has nut seat (17), and the middle part of water conservancy diversion frame (13) is provided with accommodate the lead screw (18), accommodate the lead screw (18) through servo motor drive, and nut seat (17) are connected on accommodate the lead screw (18).
2. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the damping seat (2) is arranged on the bottom surface of the main silencing box (1) in a balanced mode, damping feet are arranged at the bottom of the auxiliary silencing box (7), a filter screen is arranged on the air outlet (3), the screw (5) is vertically connected to the positioning seat (4), and the sealing seat (6) adopts a square frame structure with a wrapping layer arranged on the surface.
3. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: be provided with square seal groove (8) on the terminal surface of amortization auxiliary tank (7), and seal groove (8) are connected with sealing seat (6), be provided with picture peg (9) of taking the jack on amortization auxiliary tank (7), and picture peg (9) are fixed on positioning seat (4) through bolt assembly (10).
4. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the slots (11) are formed in the top of the silencing auxiliary box (7) at equal intervals, the number of the bottom supports (12) is identical to that of the slots (11), and the bottom supports (12) are located at the bottom of the slots (11).
5. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the flow guiding frame (13) is a square frame, the folding plate (14) is vertically arranged, the sound absorbing plate (15) is located in the middle of the folding plate (14), the sound absorbing holes (16) are arranged on the sound absorbing plate (15), the inner wall of the sound absorbing holes (16) is covered with a sound absorbing layer, and a spiral structure is arranged on the inner wall of the sound absorbing holes (16).
6. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: sealing roof (19) set up around water conservancy diversion frame (13) top surface, and sealing roof (19) and the top surface zonulae occludens of amortization auxiliary tank (7), the top of water conservancy diversion frame (13) is provided with casting die (20) of L type, and the top of amortization auxiliary tank (7) is provided with footstock (21), it is provided with first spring bar (22) to rotate on footstock (21), and swing joint has clamp plate (23) on first spring bar (22), clamp plate (23) are connected at the top surface of casting die (20).
7. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the air vent (24) is arranged in the middle of the silencing auxiliary box (7), horizontal guide rails (25) are arranged on two sides of the air vent (24), vertical guide rails (26) are movably connected in the horizontal guide rails (25), and the movable support (27) is connected among the two vertical guide rails (26).
8. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the active noise reduction module (28) is arranged in the middle of the movable support (27), and the active noise reduction module (28) comprises a sound detection part, an audio output part and a conversion control part.
9. The large horizontal muffler for a water-cooled generator set of claim 1, wherein: the bidirectional fixing structure comprises a second spring rod (29) arranged at the end part of a movable support (27), a movable seat (30) is slidably arranged on the second spring rod (29), a horizontal positioning rod (31) and a vertical positioning rod (32) are fixedly connected to the movable seat (30), and the horizontal positioning rod (31) and the vertical positioning rod (32) are respectively located on the side surfaces of a horizontal guide rail (25) and a vertical guide rail (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310641925.3A CN116343735B (en) | 2023-06-01 | 2023-06-01 | Large horizontal muffler for water-cooled generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310641925.3A CN116343735B (en) | 2023-06-01 | 2023-06-01 | Large horizontal muffler for water-cooled generator set |
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| Publication Number | Publication Date |
|---|---|
| CN116343735A CN116343735A (en) | 2023-06-27 |
| CN116343735B true CN116343735B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310641925.3A Active CN116343735B (en) | 2023-06-01 | 2023-06-01 | Large horizontal muffler for water-cooled generator set |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000020069A (en) * | 1998-07-03 | 2000-01-21 | Nemii Kk | Muffler for outdoor equipment of air conditioner |
| JP2000089766A (en) * | 1998-09-10 | 2000-03-31 | Sanyo Denki Co Ltd | Soundproof structure for power generator |
| JP2003020956A (en) * | 2001-07-10 | 2003-01-24 | Yanmar Co Ltd | Sound insulated power generating device |
| CN109027528A (en) * | 2018-09-25 | 2018-12-18 | 广州威能机电有限公司 | Unit mounting plate |
| CN215300374U (en) * | 2021-07-22 | 2021-12-24 | 洛阳科技职业学院 | Noise-reduction fan heater motor |
| CN115133704A (en) * | 2022-08-25 | 2022-09-30 | 江苏中奕和创智能科技有限公司 | Mute generator with hydrothermal cooling system |
-
2023
- 2023-06-01 CN CN202310641925.3A patent/CN116343735B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000020069A (en) * | 1998-07-03 | 2000-01-21 | Nemii Kk | Muffler for outdoor equipment of air conditioner |
| JP2000089766A (en) * | 1998-09-10 | 2000-03-31 | Sanyo Denki Co Ltd | Soundproof structure for power generator |
| JP2003020956A (en) * | 2001-07-10 | 2003-01-24 | Yanmar Co Ltd | Sound insulated power generating device |
| CN109027528A (en) * | 2018-09-25 | 2018-12-18 | 广州威能机电有限公司 | Unit mounting plate |
| CN215300374U (en) * | 2021-07-22 | 2021-12-24 | 洛阳科技职业学院 | Noise-reduction fan heater motor |
| CN115133704A (en) * | 2022-08-25 | 2022-09-30 | 江苏中奕和创智能科技有限公司 | Mute generator with hydrothermal cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116343735A (en) | 2023-06-27 |
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Denomination of invention: A large horizontal muffler for water-cooled generator sets Granted publication date: 20230808 Pledgee: Bank of China Limited Taixing sub branch Pledgor: Jiangsu Zhongyi Hechuang Intelligent Technology Co.,Ltd. Registration number: Y2024980003017 |