CN102221018B - Energy-saving sound-proofing centrifugal fan set - Google Patents
Energy-saving sound-proofing centrifugal fan set Download PDFInfo
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- CN102221018B CN102221018B CN 201110182400 CN201110182400A CN102221018B CN 102221018 B CN102221018 B CN 102221018B CN 201110182400 CN201110182400 CN 201110182400 CN 201110182400 A CN201110182400 A CN 201110182400A CN 102221018 B CN102221018 B CN 102221018B
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Abstract
An energy-saving sound-proofing centrifugal fan set relates to the filed of centrifugal fans, comprises an acoustical hood, a motor, a centrifugal fan and an air filtering assembly as well as a sound-proofing device arranged at an air inlet of the centrifugal fan, and is characterized in that the motor is fixed in the acoustical cover, and the fan end at the tail part of the motor is over against an air filtering window at a wind inlet of the acoustic hood. In the fan set, as the motor is arranged in the acoustic hood, and the fan end on the motor is over against the wind inlet, air enters a box body after being filtered, so that the motor can be cooled without using a fan itself, the fan can be dismounted to reduce the power consumption of the motor, the motor can be ensured to run in an environment without dust, and the service life of the motor can be prolonged; and simultaneously, gas drawn in from the wind inlet can be heated by sufficiently utilizing heat given off when the motor works, so that the temperature of the gas can be enhanced under the condition of not adding heating elements, thereby being beneficial to drying water strains on the surface of glass when the glass is washed.
Description
Technical field
The present invention relates to a kind of centrifugal blower group, particularly a kind of energy-saving muffling centrifugal fan group.
Background technique
Being used for drying up the equipment that washed water mark on glass on existing glass washing machine is the centrifugal blower group, and this traditional centrifugal blower group is comprised of acoustic hood, motor, centrifugal blower and air filtering assembly.Described acoustic hood is box frame formula structure, and be provided with intake grill and exhaust outlet thereon, the intake grill place is provided with air filtering assembly as the air-filtering window, the acoustic hood box inside is disposed with muffler material layer and noise elimination perforated plate, and wherein the muffler material layer is polyurethane flame-proof foam acoustic board; Described motor is connected with centrifugal blower, wherein motor is fixed on outside acoustic hood by the motor adpting flange that acoustic hood is provided with outward, and being integral body, centrifugal blower is positioned at acoustic hood, and the centrifugal blower intakeport is over against the air-filtering window at acoustic hood intake grill place, and the centrifugal blower relief opening is communicated with the exhaust outlet that acoustic hood is provided with.And need to dry up as early as possible aborning glass in order enhancing productivity and will to guarantee the glass washing quality, some needs to set up heating element at the exhaust outlet place of centrifugal blower group and is convenient to dry up fast water mark on glass to improve gas temperature.
Traditional centrifugal blower group motor arrangement used is outside acoustic hood, the fan cooled of motor by carrying, limited and the loss of cooling effect a part of power of motor, and motor when running itself noise that produces can't sound insulation, this traditional centrifugal blower group fan intakeport place does not establish inhaling silencer yet in addition, and during machine run, noise is very large; Motor arrangement makes on motor the more dust of stator radiating fin outer surface absorption be unfavorable for heat radiation outside acoustic hood in addition, thus i.e. motor radiating weak effect working life of reducing motor; In addition according to motor surface radiating sheet temperature in this conventional construction of on-the-spot test under 15 ℃ of environment of room temperature up to 61 ℃～65 ℃, and the heat energy that this motor gives out fails to be utilized.
Summary of the invention
Technical problem to be solved by this invention be overcome that the centrifugal blower group operational noise of using on the conventional washing machine is large, thereby motor radiating is poor reduces its working life and the exhaust outlet gas temperature is low, and a kind of energy-saving muffling centrifugal fan group is provided.
the technical solution adopted for the present invention to solve the technical problems is: a kind of energy-saving muffling centrifugal fan group, comprise acoustic hood, motor, the centrifugal blower that is connected with described motor and the air filtering assembly as the air-filtering window that is provided with at described acoustic hood intake grill place, described motor is fixed in acoustic hood, and the fan end of motor afterbody is over against the air-filtering window at acoustic hood intake grill place, the place is provided with silencing apparatus at the centrifugal blower intakeport, it is characterized in that: described silencing apparatus is labyrinth silencer, comprise Sound damping cover and the outer Sound damping cover of square tube one end capping shape in square tube type, Sound damping cover comprises the polyurethane flame-proof foam acoustic board that forms square framework in described square tube type, and in this square framework, the noise elimination perforated plate that is fixed with is all set up in the outside, and the square flange of the corresponding size of Sound damping cover profile in being provided with this bottom this square framework, respective through hole and screw nut check in both sides on four uniform through holes that lead screw passes that described square flange central hole periphery is provided with and the peripheral wall of centrifugal blower intakeport end face, realize should in Sound damping cover be fixed on centrifugal blower intakeport end face, the outer Sound damping cover of described square tube one end capping shape is the square casing of an end opening, set up successively inward in this housing inboard and be fixed with polyurethane flame-proof foam acoustic board and noise elimination perforated plate, and should become the bevelling transition with the bottom surface by the interior outer side surface of outer Sound damping cover, should be fixed on described lead screw by the respective through hole fit that its bottom surface is provided with by outer Sound damping cover, and should outer Sound damping cover be to be enclosed within to form a determining deviation in described square tube type on Sound damping cover and be the mazy type gas-entered passageway to be communicated with the centrifugal blower intakeport.
Compared with prior art advantage of the present invention is:
The present invention motor arrangement in acoustic hood and on motor fan rectify filter window to acoustic hood intake grill place, be that air is to enter after filtration in casing, not only can carry out cooling to motor, thereby the fan cooled that motor need not carry, the fan of can dismantling reduces motor power consumption, the motor body temperature reduces greatly, and motor is to turn round under dustfree environment, has improved the working life of motor; The heat that gives out in the time of simultaneously taking full advantage of machine operation again, its high velocity air that is sucked by the acoustic hood intake grill absorbs to be taken away, thereby in the situation that its lip-deep water mark need not set up heating element and can improve gas temperature and be conducive to dry up cleaning glass the time; Noise when acoustic hood can reduce centrifugal blower and machine operation again to greatest extent in conjunction with silencing apparatus in addition.
Description of drawings
Fig. 1 is the plan view of structure of the present invention
Fig. 2 is the left view (removing the fixedly left view after shrouding of acoustic hood left side) of structure of the present invention
Fig. 3 is the acoustic wave filter structure schematic diagram
Fig. 4 is the A-A sectional view of Fig. 3
Embodiment
Below in conjunction with accompanying drawing, content of the present invention is further described.
As shown in Figure 1, 2, a kind of energy-saving muffling centrifugal fan group comprises acoustic hood 1, motor 2, centrifugal blower 3 and air filtering assembly 4, described acoustic hood 1 is box frame formula structure, and be provided with intake grill 6 and exhaust outlet 7 on this acoustic hood 1, and intake grill 6 places are provided with air filtering assembly 4 as the air-filtering window, and acoustic hood 1 box inside is provided with muffler material layer 11 and noise elimination perforated plate 12 successively; Here should noise elimination perforated plate 12 be preferably the porous sound absorption steel plate in 3 millimeters, aperture, this muffler material layer 11 be polyurethane flame-proof foam acoustic board; Described acoustic hood 1 can be regarded as and comprise framework, up and down shrouding, rear shrouding in addition, left side door-plate and front door, described shrouding is fixed by bolts on framework, described door-plate is connected with framework with buckle with hinge, the junction of described shrouding and door-plate and framework all is provided with Stamping Steel Ribbon, can guarantee the tightness of acoustic hood casing, and not have air that powder or dust be inhaled into and take away be used to drying up glass, thereby can affect the washing quality of glass; This acoustic hood 1 base of frame is connected with symmetrical before and after six and is the vibration damper 8 of two horizontally-arrangeds, the noise that when it can reduce the operation of centrifugal blower group, vibrations produce in addition; Wherein the air filtering assembly 4 that is provided with of intake grill 6 places is the two-stage filter of tower structure, and it comprises collapsible low efficient filter screen 41 and long-acting antistatic nonwovens pocket type filter 42; Air is namely large by collapsible low efficient filter screen 41 its filtering surfaces through single filter, initial resistance is low, air quantity is large, and dust containing capacity is high, then the air purity that obtains of the filtration that is long-acting antistatic nonwovens pocket type filter 42 through cascade filtration is high and reach and dry up glass with the requirement of gas.
Described motor 2 is fixed in acoustic hood 1 by the bearing frame that is provided with in acoustic hood 1, and this motor 2 is connected with described centrifugal blower 3, and its integral body all is positioned at acoustic hood 1, and the fan end of motor 2 afterbodys is over against the air-filtering window at acoustic hood 1 intake grill place; Wherein this centrifugal blower 3 is the middle-size and small-size centrifugal blower of A formula for the kind of drive.The air that enters acoustic hood 1 casing is filtered, can guarantee that motor 2 turns round under dustfree environment, thereby can improve 2 working lifes of motor.
As Fig. 3, shown in 4, described centrifugal blower 3 intakeport places also are provided with silencing apparatus 5, and this silencing apparatus 5 comprises Sound damping cover 51 and the outer Sound damping cover 52 of square tube one end capping shape in square tube type for labyrinth silencer; In described square tube type, Sound damping cover 51 comprises the polyurethane flame-proof foam acoustic board that forms square framework, the noise elimination perforated plate that is fixed with is all set up in the outside in this square framework, and in this square framework bottom is provided with this square flange 53 of the corresponding size of Sound damping cover profile; Respective through hole and screw nut check in both sides on four uniform through holes that lead screw 54 passes that described square flange 53 central hole peripheries are provided with and the peripheral wall of centrifugal blower 3 intakeport end faces, realize should in Sound damping cover 51 be fixed on centrifugal blower 3 intakeport end faces; The outer Sound damping cover 52 of described square tube one end capping shape is the square casing of an end opening, set up successively inward in this housing inboard and be fixed with polyurethane flame-proof foam acoustic board and noise elimination perforated plate, and should become the bevelling transition with the bottom surface by the interior outer side surface of outer Sound damping cover 52, and be preferably 45 and spend the bevelling; The respective through hole fit that this outer Sound damping cover 52 is provided with by its bottom surface is fixed on described lead screw 54, and should outer Sound damping cover 52 be to be enclosed within to form a determining deviation in described square tube type on Sound damping cover 51 and be the mazy type gas-entered passageway to be communicated with centrifugal blower 3 intakepories, the air-breathing inlet face of this labyrinth silencer 5 be towards acoustic hood 1 intake grill 6.Motor 2 drives centrifugal blowers 3 runnings in the air intake casing, and after the noise elimination of mazy type gas-entered passageway, its noise is reduced at strong air power noise that the blower fan intakeport produces.
During this energy-saving muffling centrifugal fan group running, air flows to path as shown in Figure 1, air is entered by the air-filtering window that intake grill 6 places are provided with, wash away cooling motor 2 and centrifugal blower 3 shells, enter again labyrinth silencer 5, then entered in volute of blower by centrifugal blower 3 intakepories, discharge the gas with uniform temperature and blast by the exhaust outlet 7 that is communicated with the blower fan relief opening at last.
By the flow direction of above-mentioned air as can be known, enter the powerful high speed cold airflow scouring motor 2 ectosome radiating fin of acoustic hood 1 air-filtering window mouth filter cleaning, motor 2 organism temperatures are reduced, thereby according to circumstances also can remove motor 2 and carry cooling fan, make motor 2 power-dissipation-reduceds, played energy-saving effect, and motor 2 remains on, and under dustfree environment, running can improve its working life; Air is not to suck by the blower fan import is positive in addition, be to enter in the blower fan spiral case through 5 strong Aerodynamic Noise of As of air-flow of labyrinth silencer are laggard by the polyurethane flame-proof foam acoustic board attenuation by absorption in the orifice plate of labyrinth silencer surrounding and orifice plate, noise is reduced; Testing the interior motor 2 body surface temperature of acoustic hood 1 of the present invention according to the scene under 15 ℃ of environment of room temperature is 25 ℃～26 ℃ left and right, the reduction of motor 2 temperature is because the absorption of air that heat that motor 2 gives out is inhaled into is taken away, thereby the gas temperature that exhaust outlet 7 is discharged is raise, the water mark that is moistened with on glass surface when being conducive to dry up cleaning glass is accomplished not only to guarantee quality of product but also improved product percent of pass.
Above embodiment only is used for design of the present invention is described, but not limitation of the scope of the invention.Those skilled in the technology concerned are not departing from the scope of the present invention, and can also do multiple conversion.Therefore, the technological scheme that all are equal to also should belong to protection category of the present invention.
Claims (6)
1. energy-saving muffling centrifugal fan group, comprise acoustic hood (1), motor (2), the centrifugal blower (3) that is connected with described motor (2) and the air filtering assembly as the air-filtering window (4) of locating to be provided with at described acoustic hood (1) intake grill (6), described motor (2) is fixed in acoustic hood (1), and the air-filtering window that the fan end of motor (2) afterbody is located over against acoustic hood (1) intake grill (6), the intakeport place is provided with silencing apparatus (5) at centrifugal blower (3), it is characterized in that: described silencing apparatus (5) is labyrinth silencer, comprise Sound damping cover (51) and the outer Sound damping cover (52) of square tube one end capping shape in square tube type, in described square tube type, Sound damping cover (51) comprises the polyurethane flame-proof foam acoustic board that forms square framework, the noise elimination perforated plate that is fixed with is all set up in the outside in this square framework, and in this square framework bottom is provided with this square flange (53) of the corresponding size of Sound damping cover profile, respective through hole and screw nut check in both sides on four uniform through holes that lead screw (54) passes that described square flange (53) central hole periphery is provided with and the peripheral wall of centrifugal blower (3) intakeport end face, realize should in Sound damping cover (51) be fixed on centrifugal blower (3) intakeport end face, the outer Sound damping cover (52) of described square tube one end capping shape is the square casing of an end opening, set up successively inward in this housing inboard and be fixed with polyurethane flame-proof foam acoustic board and noise elimination perforated plate, and should become the bevelling transition with the bottom surface by the interior outer side surface of outer Sound damping cover (52), the respective through hole fit that this outer Sound damping cover (52) is provided with by its bottom surface is fixed on described lead screw (54), and should outer Sound damping cover (52) be to be enclosed within interior Sound damping cover (51) upper formation one determining deviation of described square tube type and to be the mazy type gas-entered passageway to be communicated with centrifugal blower (3) intakeport.
2. a kind of energy-saving muffling centrifugal fan group according to claim 1, it is characterized in that: described air filtering assembly (4) is the two-stage filter of tower structure, and it comprises collapsible low efficient filter screen (41) and long-acting antistatic nonwovens pocket type filter (42).
3. a kind of energy-saving muffling centrifugal fan group according to claim 1, it is characterized in that: described centrifugal blower (3) is the middle-size and small-size centrifugal blower of A formula for the kind of drive.
4. a kind of energy-saving muffling centrifugal fan group according to claim 1, it is characterized in that: described acoustic hood (1) base of frame is connected with vibration damper (8).
5. a kind of energy-saving muffling centrifugal fan group according to claim 1 is characterized in that: the noise elimination perforated plate (12) that described acoustic hood (1) box inside is provided with is the porous sound absorption steel plate in 3 millimeters, aperture; The muffler material layer (11) that described acoustic hood (1) box inside is provided with is polyurethane flame-proof foam acoustic board.
6. a kind of energy-saving muffling centrifugal fan group according to claim 1, it is characterized in that: described motor (2) is fixed on the bearing frame that is provided with in acoustic hood (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182400 CN102221018B (en) | 2011-06-30 | 2011-06-30 | Energy-saving sound-proofing centrifugal fan set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182400 CN102221018B (en) | 2011-06-30 | 2011-06-30 | Energy-saving sound-proofing centrifugal fan set |
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| CN102221018A CN102221018A (en) | 2011-10-19 |
| CN102221018B true CN102221018B (en) | 2013-06-12 |
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| CN 201110182400 Active CN102221018B (en) | 2011-06-30 | 2011-06-30 | Energy-saving sound-proofing centrifugal fan set |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400958A (en) * | 2011-11-18 | 2012-04-04 | 南通大通宝富风机有限公司 | Multifunctional nuclear power fan |
| CN105386990A (en) * | 2015-12-16 | 2016-03-09 | 万鹏昌 | Energy saving fan component |
| CN106373554A (en) * | 2016-08-31 | 2017-02-01 | 青岛青云天环保科技开发有限公司 | Acoustic enclosure |
| CN106762853A (en) * | 2017-01-10 | 2017-05-31 | 吴光明 | A kind of denoising device for industrial fan |
| CN110805564B (en) * | 2019-11-29 | 2020-10-16 | 张国高 | Centrifugal fan |
| CN112145463B (en) * | 2020-09-24 | 2022-04-01 | 江苏徐工工程机械研究院有限公司 | Fan assembly, air cooling system and electric transmission engineering machinery |
| CN114320976A (en) * | 2022-03-09 | 2022-04-12 | 南京深度系统工程有限公司 | Centrifugal fan with flow and temperature regulation |
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| JP3072171B2 (en) * | 1991-12-25 | 2000-07-31 | 日本ノイズコントロール株式会社 | Air flow guide silencer on fan suction side |
| DE102006020334B4 (en) * | 2006-04-28 | 2008-07-10 | Man Diesel Se | filter silencer |
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| CN2159467Y (en) * | 1992-07-24 | 1994-03-23 | 魏厚瑶 | High effective, energy saving and low noise blower |
| CN2197497Y (en) * | 1994-07-01 | 1995-05-17 | 袁明志 | Silencing box for centrifugal ventilator |
| CN2487903Y (en) * | 2001-05-30 | 2002-04-24 | 沈阳鹭岛通风净化设备有限责任公司 | Flexible jointing box type cylinder fan |
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| CN102221018A (en) | 2011-10-19 |
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Application publication date: 20111019 Assignee: ZHENGZHOU FUYAO GLASS CO., LTD. Assignor: Fuyao Glass Industry Group Co., Ltd. Contract record no.: 2014350000004 Denomination of invention: Energy-saving sound-proofing centrifugal fan set Granted publication date: 20130612 License type: Exclusive License Record date: 20140120 |
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