CN103511283A - Silencer of compressor and compressor provided with same - Google Patents
Silencer of compressor and compressor provided with same Download PDFInfo
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- CN103511283A CN103511283A CN201310045796.8A CN201310045796A CN103511283A CN 103511283 A CN103511283 A CN 103511283A CN 201310045796 A CN201310045796 A CN 201310045796A CN 103511283 A CN103511283 A CN 103511283A
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- inner housing
- baffler
- compressor
- frame
- sound insulation
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Abstract
The invention discloses a silencer of a compressor and a compressor provided with the same. The silencer comprises an outer shell and an inner shell, wherein the outer shell is internally provided with a cavity, and the top of the cavity is open; the inner shell is arranged in the cavity, and a sound insulating cavity is defined between the inner shell and the outer shell. According to the silencer of the compressor, disclosed by the embodiment of the invention, the inner shell is arranged in the cavity of the outer shell, and the sound insulating cavity is defined between the inner shell and the outer shell, so that reflection times of sound wave in a transmission process can be increased through an air layer of the sound insulating cavity, the air layer of the sound insulating cavity has the effect of additionally adsorbing the sound wave, and the silencer has a good sound insulation effect, and the sound insulation effect of the silencer can be enhanced.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of baffler of compressor and there is its compressor.
Background technique
Compressor mainly comprises compressing mechanism, motor, housing and liquid-storage container four parts, wherein, compressing mechanism mainly comprises cylinder, supplementary bearing, main bearing, piston, bent axle and slide plate, in order to reduce noise, conventionally on main bearing and supplementary bearing, be respectively arranged with main bearing baffler and supplementary bearing baffler.Motor comprises rotor and stator, bent axle and rotor connect together, rotor banding dynamic crankshaft rotates, piston rotation in bent axle band dynamic air cylinder is with the refrigerant in compression cylinder, slide plate is divided into hyperbaric chamber and low-pressure cavity by cylinder interior space, and compression refrigerant in piston rotation process raises the pressure in hyperbaric chamber, when pressure is increased to the pressure outside that is slightly larger than compressing mechanism, pressurized gas refrigerant can be discharged by the exhaust port on main bearing and the exhaust port on supplementary bearing.
For the compressor that is provided with exhaust port on supplementary bearing, after the exhaust port of pressurized gas refrigerant from supplementary bearing discharged, strong pressure pulsation and air-flow produce noise to the impact of exhaust valve plate and supplementary bearing baffler.Pressurized gas refrigerant is discharged in the main bearing baffler on main bearing through running through the vent of supplementary bearing, cylinder and main bearing, then the exhaust port from main bearing baffler is discharged.The noise part that supplementary bearing exhaust produces is through supplementary bearing baffler to external radiation, and non air exit hole on supplementary bearing baffler, plays the effect of sound insulation.
Existing supplementary bearing baffler generally adopts single layer structure, defening effect increases and improves with baffler thickness, but be limited to fabricating cost, assembling difficulty, compressor inner space etc., simple dependence increase silencing apparatus thickness strengthens defening effect and is difficult to obtain ideal effect.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, one object of the present invention is to propose the baffler of the compressor that a kind of soundproof effect is good.
Another object of the present invention is to propose a kind of compressor with above-mentioned baffler.
Baffler according to the compressor of the embodiment of the present invention, comprising: frame, have cavity, and the top of described cavity is opened wide in described frame; Inner housing, described inner housing is located in described cavity, and limits sound insulation chamber between described inner housing and described frame.
According to the baffler of the compressor of the embodiment of the present invention, by be provided with inner housing in the cavity of frame, and between inner housing and frame, limit sound insulation chamber, thereby the gas blanket in sound insulation chamber can increase the order of reflection of sound wave in propagation process, gas blanket in sound insulation chamber can produce additional absorption effect to sound wave simultaneously, make the soundproof effect of this baffler good, strengthened the soundproof effect of baffler.
In addition, according to the baffler of compressor of the present invention, also there is following additional technical feature:
Particularly, described frame comprises: the body of hollow, and the top of described body is opened wide to limit described cavity; Flange, described flange stretches out from the outer periphery at the top of described body.Thereby make outer shell construction simple, and be convenient to the assembling of frame.
Further, described frame also comprises flange, and described flange extends upward from the free end of described flange.Thereby further guarantee the sealing between baffler and supplementary bearing.
In some embodiments of the invention, the diapire of described inner housing is formed with through hole to be suitable for being set on the supplementary bearing of described compressor, and the outer of described inner housing is connected with described frame.Thereby make the simple in structure of baffler.
Preferably, the solid of rotation that described inner housing is hollow.Thereby be convenient to the machine shaping of inner housing.
Further, described through hole is center through hole, and the outer of described inner housing is connected with described flange.Thereby be not only convenient to the machine shaping of inner housing, and be convenient to the assembling of baffler.
In other embodiments of the present invention, described inner housing is a plurality of, described a plurality of inner housing is suitable for being respectively set on the supplementary bearing of described compressor, and described a plurality of inner housings edge direction spaced apart setting successively from top to bottom, in described a plurality of inner housing, between the inner housing of the bottom and described frame, limit described sound insulation chamber, between every two adjacent described inner housings, limit sound insulation space.Thereby can further strengthen the soundproof effect of baffler.
In other embodiment of the present invention, described inner housing is a plurality of, described in each inner housing form the arc shape that is bent upwards with and described frame between limit described sound insulation chamber.Thereby can further increase the soundproof effect of baffler.
According to a further embodiment of the invention, described baffler also comprises sound-absorbing material, and described sound-absorbing material is filled in described sound insulation chamber.Thereby can further increase the soundproof effect of baffler.
According to the compressor of the embodiment of the present invention, comprise the baffler of compressor according to the above embodiment of the present invention.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is schematic diagram when baffler coordinates with supplementary bearing according to an embodiment of the invention;
Fig. 2 is schematic diagram when baffler coordinates with supplementary bearing in accordance with another embodiment of the present invention;
Fig. 3 is the schematic diagram of the baffler of another embodiment according to the present invention while coordinating with supplementary bearing.
Accompanying drawing explanation:
Baffler 100, frame 1, body 10, flange 11, flange 12, cavity 13, inner housing 2, sound insulation chamber 3, sound-absorbing material 4, compressor 200, supplementary bearing 5
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.In addition,, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
Below with reference to Fig. 1-Fig. 3, describe according to the baffler 100 of a kind of compressor of the embodiment of the present invention, this baffler 100 is assemblied on the supplementary bearing 5 of compressor 200, wherein this compressor 200 can be single cylinder rotary compressor, twin-tub rotation-type compressor etc., is especially applicable to have on supplementary bearing 5 compressor of exhaust port.
Baffler 100 according to the compressor of the embodiment of the present invention, as shown in Figure 1-Figure 3, comprising: frame 1 and inner housing 2, wherein, have cavity 13 in frame 1, and cavity 13 top is opened wide.Inner housing 2 is located in cavity 13, and limits sound insulation chamber 3 between inner housing 2 and frame 1.While this baffler 100 being assembled on the supplementary bearing 5 of compressor 200, frame 1 is connected with enclosed cavity 13 with supplementary bearing 5, particularly, can frame 1 be fixed on supplementary bearing 5 by screw.
In the propagation process of sound wave, when sound wave sees through inner housing 2, now due to the difference of the gas blanket in the gas in cavity 13 and sound insulation chamber 3 and inner housing 2 characteristic impedances, cause two secondary reflections of sound wave, form decay, simultaneously again due to the elasticity of the gas blanket in sound insulation chamber 3 and the effect of absorption, make the degradation of energy of acoustic vibration larger, when last sound wave passes to frame 1, there are again two secondary reflections of sound wave, the sound wave that sees through baffler 100 is reduced again, in other words, the existence of the gas blanket in sound insulation chamber 3 can increase the order of reflection in propagation process of sound wave, and gas blanket can produce additional absorption effect to sound wave, therefore the soundproof effect of this baffler 100 with sound insulation chamber 3 is better than the soundproof effect that thickness is the baffler of frame 1 and inner housing 2 thickness sums.
According to the baffler 100 of the compressor of the embodiment of the present invention, by being provided with inner housing 2 in the cavity 13 at frame 1, and limit sound insulation chamber 3 between inner housing 2 and frame 1, thereby the gas blanket in sound insulation chamber 3 can increase the order of reflection of sound wave in propagation process, gas blanket in sound insulation chamber 3 can produce additional absorption effect to sound wave simultaneously, make the soundproof effect of this baffler 100 good, strengthened the soundproof effect of baffler 100.
In further embodiment of the present invention, as shown in Figure 2, baffler 100 also comprises sound-absorbing material 4, and sound-absorbing material 4 is filled in sound insulation chamber 3.Now, due to sound-absorbing material 4 the increase sound wave order of reflection in propagation process the same as gas blanket being filled in sound insulation chamber 3, and the additional absorption effect of 4 pairs of sound waves of this sound-absorbing material is better than gas blanket, thereby can further strengthen the soundproof effect of baffler 100.Wherein, this sound-absorbing material 4 can be glass wool, mineral wool, felt etc.It should be noted that different sound-absorbing materials is different at the acoustic absorptivity of each frequency range of noise, therefore can be according to noise elimination demand, the factors such as considering cost, assembling difficulty are chosen the loading of sound-absorbing material and definite sound-absorbing material.
Particularly, as shown in Figure 1, frame 1 comprises: the body 10 of hollow and flange 11, wherein, body 10 top is opened wide to limit cavity 13.Flange 11 stretches out from the outer periphery at body 10 top.When now baffler 100 is assembled on supplementary bearing 5, the flange 11 of frame 1 is connected with supplementary bearing 5, thereby makes the simple in structure of frame 1, and is convenient to the assembling of frame 1.Further, as shown in Figure 1-Figure 3, frame 1 also comprises flange 12, and flange 12 extends upward from the free end of flange 11, and when frame 1 is assembled on supplementary bearing 5, flange 12 is fastened on the periphery wall of supplementary bearing 5.Thereby can further guarantee the sealing between baffler 100 and supplementary bearing 5.Preferably, this frame 1 can be solid of rotation, and the cross-section area of body 10 increases gradually in direction from top to bottom.
As depicted in figs. 1 and 2, in some embodiments of the invention, the diapire of inner housing 2 is formed with through hole (scheming not shown) to be suitable for being set on the supplementary bearing 5 of compressor 200, and the outer of inner housing 2 is connected with frame 1.Now, between inner housing 2 and frame 1, limit a sound insulation chamber 3.Thereby make the simple in structure of baffler 100.Preferably, the solid of rotation that inner housing 2 is hollow, is convenient to the machine shaping of inner housing 2.
As depicted in figs. 1 and 2, in examples more of the present invention, through hole is center through hole, and the outer of inner housing 2 is connected with flange 11.Now, inner housing 2 can be independently machine shaping part with frame 1, and inner housing 2 is removably located on frame 1, when baffler 100 is assembled on supplementary bearing 5, can first inner housing 2 be set on supplementary bearing 5, then frame 1 is assembled to and on supplementary bearing 5, makes the flange 11 of frame 1 contact with the outer of inner housing 2, finally by screw, inner housing 2 and frame 1 are fixed on supplementary bearing 5.Certainly the invention is not restricted to this, the outer of inner housing 2 also can be connected to limit sound insulation chamber 3 with the sidewall of the body 10 of frame 1.
In other embodiments of the present invention, inner housing 2 is a plurality of, a plurality of inner housings 2 are suitable for being respectively set on the supplementary bearing 5 of compressor 200, and a plurality of inner housings 2 edge direction spaced apart settings successively from top to bottom, in a plurality of inner housings 2, between the inner housing 2 of the bottom and frame 1, limit sound insulation chamber 3, between every two adjacent inner housings 2, limit sound insulation space.Now, sound wave is in the process of propagating, gas blanket in sound insulation space between every two adjacent inner housings 2 can increase the order of reflection of sound wave in propagation process, and the gas blanket in each sound insulation space produces the effect of additional absorption to sound wave, gas blanket in sound insulation chamber 3 can increase the order of reflection of sound wave in propagation process simultaneously, and the gas blanket in sound insulation chamber 3 produces the effect of additional absorption to sound wave, thereby can further strengthen the soundproof effect of this baffler 100.Further, can filling sucting sound material 4 in this sound insulation space.
As shown in Figure 3, in other embodiment of the present invention, inner housing 2 is a plurality of, each inner housing 2 form the arc shape that is bent upwards with and frame 1 between limit sound insulation chamber 3.The plurality of inner housing 2 can be evenly distributed in cavity 13, now in baffler 100, is formed with a plurality of sound insulations chamber 3, thereby can further strengthen the soundproof effect of baffler 100.Certainly the invention is not restricted to this, this inner housing 2 also can form reclinate arc shape, and in other words, each inner housing 2 can form arbitrary shape, as long as make, between each inner housing 2 and frame 1, can limit sound insulation chamber 3.
According to the compressor 200 of the embodiment of the present invention, comprise the baffler 100 of compressor according to the above embodiment of the present invention.
According to other configuration examples of the compressor of the embodiment of the present invention as piston and cylinder etc. and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. the baffler of a compressor (100), is characterized in that, comprising:
Frame (1), has cavity (13) in described frame (1), and the top of described cavity (13) is opened wide;
Inner housing (2), described inner housing (2) is located in described cavity (13), and limits sound insulation chamber (3) between described inner housing (2) and described frame (1).
2. the baffler of compressor according to claim 1 (100), is characterized in that, described frame (1) comprising:
The body of hollow (10), the top of described body (10) is opened wide to limit described cavity (13);
Flange (11), described flange (11) stretches out from the outer periphery at the top of described body (10).
3. the baffler of compressor according to claim 2 (100), is characterized in that, described frame (1) also comprises flange (12), and described flange (12) extends upward from the free end of described flange (11).
4. the baffler of compressor according to claim 2 (100), it is characterized in that, the diapire of described inner housing (2) is formed with through hole to be suitable for being set on the supplementary bearing (5) of described compressor, and the outer of described inner housing (2) is connected with described frame (1).
5. the baffler of compressor according to claim 4 (100), is characterized in that, the solid of rotation that described inner housing (2) is hollow.
6. the baffler of compressor according to claim 4 (100), is characterized in that, described through hole is center through hole, and the outer of described inner housing (2) is connected with described flange (11).
7. the baffler of compressor according to claim 4 (100), it is characterized in that, described inner housing (2) is a plurality of, described a plurality of inner housing (2) is suitable for being respectively set on the supplementary bearing (5) of described compressor, and described a plurality of inner housing (2) edge direction spaced apart setting successively from top to bottom, in described a plurality of inner housing (2), be positioned between the inner housing (2) of the bottom and described frame (1) and limit described sound insulation chamber (3), between every adjacent two described inner housings (2), limit sound insulation space.
8. the baffler of compressor according to claim 2 (100), it is characterized in that, described inner housing (2) is a plurality of, inner housing described in each (2) form the arc shape that is bent upwards with and described frame (1) between limit described sound insulation chamber (3).
9. according to the baffler (100) of the compressor described in any one in claim 1-8, it is characterized in that, further comprise sound-absorbing material (4), described sound-absorbing material (4) is filled in described sound insulation chamber (3).
10. a compressor, is characterized in that, comprises the baffler (100) according to the compressor described in any one in claim 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310045796.8A CN103511283B (en) | 2013-02-05 | 2013-02-05 | The muffler of compressor and there is its compressor |
Applications Claiming Priority (1)
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CN201310045796.8A CN103511283B (en) | 2013-02-05 | 2013-02-05 | The muffler of compressor and there is its compressor |
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CN103511283A true CN103511283A (en) | 2014-01-15 |
CN103511283B CN103511283B (en) | 2016-08-31 |
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CN201310045796.8A Active CN103511283B (en) | 2013-02-05 | 2013-02-05 | The muffler of compressor and there is its compressor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103967800A (en) * | 2014-05-19 | 2014-08-06 | 松下·万宝(广州)压缩机有限公司 | Novel dissipative and resistive composite exhaust silencer and compressor with same |
CN105864294A (en) * | 2016-05-31 | 2016-08-17 | 芜湖卓越空调零部件有限公司 | Hydraulic bearing silencer |
CN106762670A (en) * | 2017-01-24 | 2017-05-31 | 广东美芝制冷设备有限公司 | Compressor, refrigeration system and automobile |
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JP2000018184A (en) * | 1998-06-30 | 2000-01-18 | Toshiba Corp | Rotary compressor |
CN1420280A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Silencer of rotary compressor |
KR20030051084A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 엘지이아이 | Apparatus for reduce the noise of rotary compressor |
CN2578568Y (en) * | 2002-07-22 | 2003-10-08 | 上海日立电器有限公司 | Composite double-layer silencer |
KR20050040410A (en) * | 2003-10-28 | 2005-05-03 | 엘지전자 주식회사 | Muffler structure of hermetic rotary compressor |
JP2008018184A (en) * | 2006-07-14 | 2008-01-31 | Sung-Tsun Wu | Main body apparatus of double-bunk beds for children |
CN203130520U (en) * | 2013-02-05 | 2013-08-14 | 安徽美芝精密制造有限公司 | Silencer of compressor and compressor with same |
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2013
- 2013-02-05 CN CN201310045796.8A patent/CN103511283B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000018184A (en) * | 1998-06-30 | 2000-01-18 | Toshiba Corp | Rotary compressor |
CN1420280A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Silencer of rotary compressor |
KR20030051084A (en) * | 2001-12-20 | 2003-06-25 | 주식회사 엘지이아이 | Apparatus for reduce the noise of rotary compressor |
CN2578568Y (en) * | 2002-07-22 | 2003-10-08 | 上海日立电器有限公司 | Composite double-layer silencer |
KR20050040410A (en) * | 2003-10-28 | 2005-05-03 | 엘지전자 주식회사 | Muffler structure of hermetic rotary compressor |
JP2008018184A (en) * | 2006-07-14 | 2008-01-31 | Sung-Tsun Wu | Main body apparatus of double-bunk beds for children |
CN203130520U (en) * | 2013-02-05 | 2013-08-14 | 安徽美芝精密制造有限公司 | Silencer of compressor and compressor with same |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103967800A (en) * | 2014-05-19 | 2014-08-06 | 松下·万宝(广州)压缩机有限公司 | Novel dissipative and resistive composite exhaust silencer and compressor with same |
CN103967800B (en) * | 2014-05-19 | 2016-08-24 | 松下·万宝(广州)压缩机有限公司 | Impedance composite muffler and there is the compressor of this muffler |
CN105864294A (en) * | 2016-05-31 | 2016-08-17 | 芜湖卓越空调零部件有限公司 | Hydraulic bearing silencer |
CN106762670A (en) * | 2017-01-24 | 2017-05-31 | 广东美芝制冷设备有限公司 | Compressor, refrigeration system and automobile |
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