CN102973211A - Silencer and floor washing machine using same - Google Patents

Silencer and floor washing machine using same Download PDF

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Publication number
CN102973211A
CN102973211A CN2012104851780A CN201210485178A CN102973211A CN 102973211 A CN102973211 A CN 102973211A CN 2012104851780 A CN2012104851780 A CN 2012104851780A CN 201210485178 A CN201210485178 A CN 201210485178A CN 102973211 A CN102973211 A CN 102973211A
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China
Prior art keywords
muffler
sound
chamber
muffling box
dividing plate
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Pending
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CN2012104851780A
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Chinese (zh)
Inventor
沈钢
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DYCON CLEANTEC Co Ltd
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DYCON CLEANTEC Co Ltd
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Publication date
Application filed by DYCON CLEANTEC Co Ltd filed Critical DYCON CLEANTEC Co Ltd
Priority to CN2012104851780A priority Critical patent/CN102973211A/en
Publication of CN102973211A publication Critical patent/CN102973211A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a silencer and a floor washing machine using the same. A partition is arranged inside a silencing box, divides the original airway into a plurality of air chambers, and is obliquely arranged, so that the inlet volume of each air chamber is larger than the outlet volume of each air chamber, and the noise energy is lost by utilizing the change in the volume of the air chamber. The silencer is based on dispersion, and the airway is divided into air chambers, so that airflow becomes stable in the process of loss of pressure-compression-loss of pressure, and thus the noise energy is reduced by self loss in the process, and the noise of the airflow is reduced under the condition that the flow rate of airflow is unchanged. The impact on a vacuum pump is minimized, the work efficiency of the vacuum pump is effectively improved, the cleaning performance of the floor washing machine is improved, the noise generated in the work by the vacuum pump is effectively reduced, the quality of environment is ensured, and the cleaning cost is reduced; and in addition, the silencer can be made into a non-circular shape by adopting such method, so that the size of the silencer is obviously reduced, and thus the silencer is favorably arranged on the floor washing machine.

Description

A kind of muffler and use the floor-cleaning machine of this muffler
Technical field
The invention belongs to the cleaning equipment field, be specifically related to a kind of muffler and use the floor-cleaning machine of this muffler.
Background technology
Floor-cleaning machine is that a kind of hard ground cleans and blots simultaneously sewage, and the cleaning machine that sewage is taken away from the scene.Be widely used in the place that some stations, harbour, airport, workshop, warehouse, school, hospital, restaurant, sales field etc. have wide hard ground than advantages of higher with its good characteristic and cleaning efficiency.
During work, brush motor-driven brush cleans ground to floor-cleaning machine in suction, makes foul water tank form vacuum by vavuum pump, takes off through suction sewage is sucked foul water tank to take away from the scene.But because vavuum pump can produce noise at work, and early stage floor-cleaning machine is not taked noise reduction measure, and noise is larger during work, causes the second-rate of working environment.
At present, generally take the column type muffler for the noise reduction of floor-cleaning machine vavuum pump.The volume of column type muffler is relatively large, be difficult for being installed on the floor-cleaning machine, and the noise reduction technology that this muffler uses at floor-cleaning machine mainly is to reduce noise at the air outlet of muffler with stifled form with sponge, the result who does like this can affect the exhaust of air outlet greatly, affect the operating efficiency of vavuum pump, cause the service behaviour of foul water tank to descend, the DeGrain of suction sewage, the efficient of impact cleaning, working time and workload increase accordingly, then increase cleaning cost, and can't guarantee the validity of floor cleaning.
Therefore, a kind of operating efficiency of energy Effective Raise vavuum pump, the clean-up performance of raising floor-cleaning machine effectively reduces the noise that vavuum pump produces at work, guarantees environmental quality, reduces the muffler that is used on the floor-cleaning machine of cleaning cost and demands appearance urgently.
Summary of the invention
In view of this, the invention provides a kind of simple in structure, small volume, be convenient to be installed in the muffler on the floor-cleaning machine, to reach the operating efficiency of energy Effective Raise vavuum pump, improve the clean-up performance of floor-cleaning machine, effectively reduce the noise that vavuum pump produces at work, guarantee environmental quality, reduce the purpose of cleaning cost.
A kind of muffler according to purpose proposition of the present invention, comprise sound-muffling box, be arranged at air inlet and gas outlet on the described sound-muffling box, and at least 1 dividing plate that is positioned at described sound-muffling box inside, described dividing plate is separated to form described sound-muffling box inner chamber at least 2 chambers that are communicated with successively, the outlet of described last chamber is connected with the import of a rear chamber, and the air inlet track in the described inner chamber is S-type; Described dividing plate is obliquely installed, and the import of described each chamber is greater than outlet, and described air inlet is connected with the import of top chamber, and described gas outlet is connected with the outlet of terminal chamber.
Preferably, there is the gap of giving vent to anger in described dividing plate between described exit and described sound-muffling box.
Preferably, described dividing plate is odd number, and described dividing plate is separated to form the even number chamber with described sound-muffling box inner chamber, and described air inlet and described gas outlet are positioned at the same side of described sound-muffling box.
Preferably, described dividing plate is even number, and described dividing plate is separated to form 3 or 3 above odd number chambers with described sound-muffling box inner chamber, and described air inlet and described gas outlet are positioned at the both sides of described sound-muffling box.
Preferably, be provided with the noise reduction sponge on the airway walls of described sound-muffling box inboard.
Preferably, also be filled with the blast sponge in the described terminal chamber.
Preferably, described sound-muffling box is cuboid or cube structure.
Preferably, described gas outlet and air inlet place all dismountable being provided with prevent that the bulky grain foreign matter from entering the protection net in the sound-muffling box.
Preferably, described protection net is threaded with described air inlet and described gas outlet or connects and fixes.
A kind of floor-cleaning machine is characterized in that, comprises that brush, suction take off, take off the foul water tank that is connected, described foul water tank is vacuumized the vavuum pump of processing and described described vavuum pump carried out noise reducing muffle with described suction.
Compared with prior art, muffler of the present invention and use the advantage of the floor-cleaning machine of this muffler to be: dividing plate is set by the inside at sound-muffling box, original airway segmentation is formed several air chambers, and dividing plate is obliquely installed, so that the import volume of each air chamber is greater than the outlet volume, use the air chamber change in volume to make the noise energy loss, this muffler is taken as the leading factor to dredge, by cutting apart air chamber, make air-flow in the process of decompression-compression-decompression, become steadily, noise energy is descended by consumable in this course, in the constant situation of air flow rate, make the pneumatic noise step-down.Be different from traditional noise reduction with stifled method, can drop to minimum level to the impact on vavuum pump, the operating efficiency of Effective Raise vavuum pump, improve the clean-up performance of floor-cleaning machine, effectively reduce the noise that vavuum pump produces at work, guarantee environmental quality, reduce cleaning cost; In addition, it is non-circular to adopt such way muffler can be made, and the muffler volume can obviously be reduced, and is conducive to muffler is installed on the floor-cleaning machine.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of muffler embodiment 1 disclosed by the invention.
Fig. 2 is the internal structure schematic diagram of a kind of muffler embodiment 1 disclosed by the invention.
Fig. 3 is the structural representation of a kind of muffler embodiment 2 disclosed by the invention.
Fig. 4 is the internal structure schematic diagram of a kind of muffler embodiment 2 disclosed by the invention.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
1, sound-muffling box 2, air inlet 3, gas outlet 4, dividing plate 5, noise reduction sponge 6, blast sponge 7, protection net 8, chamber
The specific embodiment
The muffler that existing floor-cleaning machine adopts is generally the column type muffler.The column type muffler exists volume relatively large, is difficult for being installed on the floor-cleaning machine, and mainly is to reduce noise with stifled form, affect the exhaust of air outlet, affect the operating efficiency of vavuum pump, cause the service behaviour of foul water tank to descend, the problems such as DeGrain of suction sewage.
The present invention is directed to deficiency of the prior art, a kind of muffler that proposes and use the floor-cleaning machine of this muffler, by the inside at sound-muffling box dividing plate is set, original airway segmentation is formed several air chambers, and dividing plate is obliquely installed, use the air chamber change in volume to make the noise energy loss, in addition, it is non-circular to adopt such way muffler can be made, and the muffler volume can obviously be reduced, and is conducive to muffler is installed on the floor-cleaning machine.
The below will be clearly and completely described technical scheme of the present invention by the specific embodiment.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1
Please in the lump referring to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of a kind of muffler disclosed by the invention.Fig. 2 is the internal structure schematic diagram of a kind of muffler disclosed by the invention.As shown in the figure, a kind of muffler, comprise sound-muffling box 1, be arranged at air inlet 2 and gas outlet 3 on the sound- muffling box 1, and 1 dividing plate 4 that is positioned at sound-muffling box 1 inside, dividing plate 4 is separated to form 2 chambers 8 that are communicated with successively with sound-muffling box 1 inner chamber, and the outlet of last chamber is connected with the import of a rear chamber; Dividing plate 4 is obliquely installed, and the import of each chamber is greater than outlet, and air inlet 2 is connected with the import of top chamber, and gas outlet 3 is connected with the outlet of terminal chamber, and air inlet 2 and gas outlet 3 are positioned at the same side of sound-muffling box 1.
The noise air-flow enters the top chamber through air inlet 2, because the unexpected increase of volume, the air-flow that flows out through air inlet is able to decompression release, but because the import of chamber is greater than outlet, along with narrowing down gradually of space, air-flow is compressed in the exit of top chamber, when air-flow is extruded from narrow and small exit, just in time run into the space of the maximum of terminal chamber, compressed air-flow discharges again because of rapid decompression, the exit that arrives terminal air chamber is compressed again, after repeating several times, the noise energy in the air-flow obtains self-loss, when air-flow from air outlet decompression when ejection again, noise intensity obviously reduces, and reaches the purpose that reduces the air draft pneumatic noise with this.This is one to be embedded with the muffler that decompression-compression-decompression is principle, muffler is taken as the leading factor to dredge, by cutting apart air chamber, make air-flow in the process of decompression-compression-decompression, become steady, noise energy is descended by consumable in this course, in the constant situation of air flow rate, make the pneumatic noise step-down.
Its median septum 4 is odd number, and dividing plate 4 is separated to form the even number chamber with sound-muffling box 1 inner chamber, and the air inlet track in the inner chamber is S-type, and the noise air-flow is carried out effective noise reduction.The quantity of dividing plate can be also 3,5 or a plurality of etc., specifically decides on operating position, does not limit at this.
Dividing plate 4 is in exit and 1 existence of sound-muffling box gap of giving vent to anger.One end of dividing plate 4 and sound-muffling box blow-by are so that being connected of front and back chamber.
Be provided with noise reduction sponge 5 on the airway walls of sound-muffling box 1 inboard.By the noise reduction sponge is set, so that air-flow can effectively be relaxed with contacting of airway walls, suppress the generation of noise in the process of operation, improve soundproof effect.
Also be filled with blast sponge 6 in the terminal chamber.The blast sponge has the percent opening height, good permeability, the compression strength advantages of higher, by being set, the blast sponge can carry out good noise reduction to the noise air-flow on the one hand, on the other hand endways chamber place the blast sponge this chamber is filled up, can prevent that outside foreign matter from entering in the muffler, affects erasure effect.
Sound-muffling box is cuboid or cube structure.Need not to make traditional column type muffler, the volume less, be convenient to be installed on the floor-cleaning machine and use, the shape of muffler is except adopting cuboid or square simultaneously, also can make erose muffler according to limited space, muffler inside, concrete shape depends on the circumstances, and does not limit at this.
In addition, also can be in the gas outlet 3 with air inlet 2 places all dismountable being provided with prevent that the bulky grain foreign matter from entering the protection net 7 in the sound-muffling box 1.By being set, protection net can stop that foreign matter enters sound-muffling box on the one hand, the Effective Raise noise reduction, on the other hand, by protection net is set, the minimizing foreign matter adheres to the amount on the blast sponge, increases the life cycle of blast sponge, reduce the regeneration times of sponge, reduce the noise reduction cost.
Protection net 7 is threaded with air inlet 2 and gas outlet 3 or connects and fixes.Be convenient to protection net disassembled and clean.
A kind of floor-cleaning machine comprises that brush, suction take off, take off the foul water tank that is connected, foul water tank is vacuumized the vavuum pump of processing and vavuum pump is carried out noise reducing muffle with absorbing water.The brush cleaning floor, vavuum pump vacuumizes foul water tank, and sewage is taken off to suck in the foul water tank by suction and is taken away.
Embodiment 2
All the other are identical with embodiment 1, and difference is that dividing plate 4 is 2, and dividing plate is separated to form 3 chambers with sound-muffling box 1 inner chamber, and air inlet 2 and gas outlet 3 are positioned at the both sides of sound-muffling box 1.
The noise air-flow enters the top chamber through air inlet 2, because the unexpected increase of volume, the air-flow that flows out through air inlet is able to decompression release, but because the import of chamber is greater than outlet, along with narrowing down gradually of space, air-flow is compressed in the exit of top chamber, when air-flow is extruded from narrow and small exit, just in time run into the space of the maximum of the second chamber, compressed air-flow is because rapid decompression discharges again, and the exit that arrives the second air chamber is compressed again, when air-flow when the second chamber enters terminal chamber, just in time run into the space of the maximum of terminal chamber, compressed air-flow discharges again because of rapid decompression, and is compressed more gradually.After repeating several times, the noise energy in the air-flow obtains self-loss, when air-flow from air outlet decompression when ejection again, noise intensity obviously reduces, and reaches the purpose that reduces the air draft pneumatic noise with this.
Its median septum 4 is even number, and dividing plate 4 is separated to form the odd number chamber with sound-muffling box 1 inner chamber, and the air inlet track in the inner chamber is S-type, and the noise air-flow is carried out effective noise reduction.The quantity of dividing plate can be also 4,6 or a plurality of etc., specifically decides on operating position, does not limit at this.
The invention discloses a kind of muffler and use the floor-cleaning machine of this muffler, by the inside at sound-muffling box dividing plate is set, original airway segmentation is formed several air chambers, and dividing plate is obliquely installed, so that the import volume of each air chamber is greater than the outlet volume, use the air chamber change in volume to make the noise energy loss, this muffler is taken as the leading factor to dredge, by cutting apart air chamber, make air-flow in the process of decompression-compression-decompression, become steadily, noise energy is descended by consumable in this course, in the constant situation of air flow rate, make the pneumatic noise step-down.Be different from traditional noise reduction with stifled method, can drop to minimum level to the impact on vavuum pump, the operating efficiency of Effective Raise vavuum pump, improve the clean-up performance of floor-cleaning machine, effectively reduce the noise that vavuum pump produces at work, guarantee environmental quality, reduce cleaning cost; In addition, it is non-circular to adopt such way muffler can be made, and the muffler volume can obviously be reduced, and is conducive to muffler is installed on the floor-cleaning machine.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. muffler, it is characterized in that, comprise sound-muffling box, be arranged at air inlet and gas outlet on the described sound-muffling box, and at least 1 dividing plate that is positioned at described sound-muffling box inside, described dividing plate is separated to form described sound-muffling box inner chamber at least 2 chambers that are communicated with successively, the outlet of described last chamber is connected with the import of a rear chamber, and the air inlet track in the described inner chamber is S-type; Described dividing plate is obliquely installed, and the import of described each chamber is greater than outlet, and described air inlet is connected with the import of top chamber, and described gas outlet is connected with the outlet of terminal chamber.
2. muffler as claimed in claim 1 is characterized in that, there is the gap of giving vent to anger in described dividing plate between described exit and described sound-muffling box.
3. muffler as claimed in claim 1 or 2 is characterized in that, described dividing plate is odd number, and described dividing plate is separated to form the even number chamber with described sound-muffling box inner chamber, and described air inlet and described gas outlet are positioned at the same side of described sound-muffling box.
4. muffler as claimed in claim 1 or 2 is characterized in that, described dividing plate is even number, and described dividing plate is separated to form 3 or 3 above odd number chambers with described sound-muffling box inner chamber, and described air inlet and described gas outlet are positioned at the both sides of described sound-muffling box.
5. muffler as claimed in claim 1 is characterized in that, is provided with the noise reduction sponge on the airway walls of described sound-muffling box inboard.
6. muffler as claimed in claim 1 is characterized in that, also is filled with the blast sponge in the described terminal chamber.
7. muffler as claimed in claim 1 is characterized in that, described sound-muffling box is cuboid or cube structure.
8. muffler as claimed in claim 1 is characterized in that, described gas outlet and air inlet place all dismountable being provided with prevent that the bulky grain foreign matter from entering the protection net in the sound-muffling box.
9. muffler as claimed in claim 8 is characterized in that, described protection net is threaded with described air inlet and described gas outlet or connects and fixes.
10. a floor-cleaning machine is characterized in that, comprises that brush, suction take off, take off the foul water tank that is connected, described foul water tank is vacuumized the vavuum pump of processing and claimed in claim 1 described vavuum pump carried out noise reducing muffle with described suction.
CN2012104851780A 2012-11-26 2012-11-26 Silencer and floor washing machine using same Pending CN102973211A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105559688A (en) * 2014-10-13 2016-05-11 江苏美的清洁电器股份有限公司 Air duct structure and surface cleaning device provided with air duct structure
CN111347930A (en) * 2018-12-04 2020-06-30 现代自动车株式会社 Cooling duct of high-voltage battery system of vehicle
CN112545375A (en) * 2020-11-03 2021-03-26 广东美的白色家电技术创新中心有限公司 Air duct assembly applied to cleaning device, air outlet module and cleaning device
WO2024074058A1 (en) * 2022-10-08 2024-04-11 广东优巨先进新材料股份有限公司 Muffling air pump structure for breast pump

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BE526045A (en) * 1953-02-02
CN2185800Y (en) * 1994-04-27 1994-12-21 广州市越秀区迅达环保工程开发经营公司 Dissipative muffler for small-size generator
JP2007056851A (en) * 2005-08-26 2007-03-08 Raito Kogyo Co Ltd Method for silencing spraying machine and silencer for spraying machine
CN101117905A (en) * 2007-08-23 2008-02-06 王海鹏 Automobile purification silencer
DE102008008069A1 (en) * 2008-02-01 2009-08-06 Alfred Kärcher Gmbh & Co. Kg Floor cleaning device
CN201526433U (en) * 2009-10-16 2010-07-14 攀钢集团攀枝花钢钒有限公司 Compressor silencer
CN202052466U (en) * 2010-11-27 2011-11-30 赵艳萍 Gas filtering device
CN202100303U (en) * 2011-06-21 2012-01-04 陈尔斌 Noise eliminator
CN203029145U (en) * 2012-11-26 2013-07-03 苏州德汇清洁科技有限公司 Silencer and scrubber using same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE526045A (en) * 1953-02-02
CN2185800Y (en) * 1994-04-27 1994-12-21 广州市越秀区迅达环保工程开发经营公司 Dissipative muffler for small-size generator
JP2007056851A (en) * 2005-08-26 2007-03-08 Raito Kogyo Co Ltd Method for silencing spraying machine and silencer for spraying machine
CN101117905A (en) * 2007-08-23 2008-02-06 王海鹏 Automobile purification silencer
DE102008008069A1 (en) * 2008-02-01 2009-08-06 Alfred Kärcher Gmbh & Co. Kg Floor cleaning device
CN201526433U (en) * 2009-10-16 2010-07-14 攀钢集团攀枝花钢钒有限公司 Compressor silencer
CN202052466U (en) * 2010-11-27 2011-11-30 赵艳萍 Gas filtering device
CN202100303U (en) * 2011-06-21 2012-01-04 陈尔斌 Noise eliminator
CN203029145U (en) * 2012-11-26 2013-07-03 苏州德汇清洁科技有限公司 Silencer and scrubber using same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105559688A (en) * 2014-10-13 2016-05-11 江苏美的清洁电器股份有限公司 Air duct structure and surface cleaning device provided with air duct structure
CN105559688B (en) * 2014-10-13 2018-03-30 江苏美的清洁电器股份有限公司 Air channel structure and there is its surface cleaning apparatus
CN111347930A (en) * 2018-12-04 2020-06-30 现代自动车株式会社 Cooling duct of high-voltage battery system of vehicle
CN112545375A (en) * 2020-11-03 2021-03-26 广东美的白色家电技术创新中心有限公司 Air duct assembly applied to cleaning device, air outlet module and cleaning device
WO2024074058A1 (en) * 2022-10-08 2024-04-11 广东优巨先进新材料股份有限公司 Muffling air pump structure for breast pump

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Application publication date: 20130320