CN202991397U - Silencer of compressor and compressor with same - Google Patents

Silencer of compressor and compressor with same Download PDF

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Publication number
CN202991397U
CN202991397U CN 201220625408 CN201220625408U CN202991397U CN 202991397 U CN202991397 U CN 202991397U CN 201220625408 CN201220625408 CN 201220625408 CN 201220625408 U CN201220625408 U CN 201220625408U CN 202991397 U CN202991397 U CN 202991397U
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CN
China
Prior art keywords
compressor
baffler
chamber
cavity
opening
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Expired - Fee Related
Application number
CN 201220625408
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Chinese (zh)
Inventor
白江川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Midea Toshiba Compressor Corp
Guangdong Meizhi Compressor Co Ltd
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Guangdong Meizhi Compressor Co Ltd
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Priority to CN 201220625408 priority Critical patent/CN202991397U/en
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Abstract

The utility model discloses a silencer of a compressor and the compressor with the same. The silencer of the compressor comprises a casing and at least one resonance chamber. A cavity is arranged in the casing, and the bottom of the cavity is open. A resonance cavity is limited inside each resonance chamber, and an opening is arranged on the resonance cavity. Each resonance chamber is arranged on the casing and communicated with the cavity. According to the silencer of the compressor, by arranging the resonance chamber communicated with the cavity on the casing, when air flow enters the resonance cavity, the resonance chamber vibrates, so that the air flow overcomes friction resistance to consume sound energy, a purpose of reducing noise is achieved, and a sound reducing effect of the silencer is improved.

Description

The baffler of compressor and have its compressor
Technical field
The utility model relates to compressor field, especially relates to a kind of baffler of compressor and has its compressor.
Background technique
Be equipped with baffler on compressor at present, compare with the compressor that there is no baffler, the compressor that baffler is housed can be eliminated a part of noise.But when being punched into the cavity of baffler, the gas in compressor still can produce larger noise.
The model utility content
The utility model is intended to solve at least one of technical problem that exists in prior art.
For this reason, a purpose of the present utility model is to propose a kind of baffler that can reduce the compressor of noise.
Another purpose of the present utility model is to propose a kind of compressor with above-mentioned baffler.
Baffler according to compressor of the present utility model comprises: housing has the bottom-open of cavity and described cavity in described housing; At least one resonant chamber, each described resonant chamber inside limit resonator chamber and which is provided with opening, and wherein each described resonant chamber is located on described housing and with described cavity and is connected.
Baffler according to compressor of the present utility model, by be provided with the resonant chamber that is connected with cavity on housing, in the time of in air-flow enters into resonator chamber, resonant chamber can shake, thereby make air-flow by overcoming surface friction drag sound energy consumption, and then reach the purpose that reduces noise, improved the erasure effect of baffler.
In addition, the baffler according to compressor of the present utility model also has following additional technical feature:
Particularly, described resonant chamber comprises: body, wherein said resonator chamber are formed in described body and described opening is located at the bottom of described body; Bottom and its inner chamber that columnar entrance part, described entrance part are located at described body are communicated with described resonator chamber by described opening.Thereby resonant chamber is simple in structure, is convenient to machine shaping.
In embodiments more of the present utility model, the inner chamber of described entrance part equates with the section area of described opening, and the section area S of described opening satisfies following formula:
Figure BDA00002451382500011
Wherein, f is resonant frequency, and c is the velocity of sound, and V is the volume of described resonator chamber, and L '=L+0.8a, L are the degree of depth of described inner chamber and the degree of depth sum of described opening, and a is the diameter of the cross section of described opening.Thereby can further abate the noise, further improve the erasure effect of baffler.
Preferably, described body forms cylindrical shape.Thereby make resonant chamber simple in structure, be convenient to machine shaping.
Further, described body and the coaxial setting of described entrance part.Thereby make resonant chamber simple in structure, be convenient to machine shaping.
In embodiments more of the present utility model, the wall thickness of described body is identical with the wall thickness of described entrance part.Thereby be convenient to the machine shaping of resonant chamber.
Alternatively, described body and the described entrance part part that is formed in one.
According to embodiments more of the present utility model, the angled setting of the axis of described resonant chamber and horizontal plane.
Particularly, the axis of described resonant chamber and the angle between horizontal plane are 0 degree ~ 180 degree.
According to compressor of the present utility model, comprise the baffler of the compressor above-mentioned according to the utility model.
According to compressor of the present utility model, by being provided with baffler, the air-flow that compressor produces can enter into and make the resonant chamber vibrations in resonator chamber, in the process of resonant chamber vibrations, air-flow is sound energy consumption by overcoming surface friction drag, thereby reach the purpose that reduces noise, improved the usability of compressor, improved working environment.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the plan view according to the baffler of the utility model embodiment's compressor;
Fig. 2 is the principal section figure of the baffler of compressor shown in Figure 1;
Fig. 3 is the principal section figure according to the resonant chamber in the baffler of the utility model embodiment's compressor;
Fig. 4 is the worm's eye view of resonant chamber shown in Figure 3.
Reference character:
The baffler 100 of compressor, housing 1, cavity 10, resonant chamber 2, resonator chamber 20,
The diameter b of opening 21, body 22, entrance part 23, inner chamber 230, resonator chamber, the height n of housing,
The degree of depth sum L of the diameter a of the cross section of inner chamber, the degree of depth of inner chamber and opening
Embodiment
The below describes embodiment of the present utility model in detail, and described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.
In description of the present utility model, need to prove, unless clear and definite regulation and restriction are separately arranged, term " installation ", " being connected ", " connection " should be done broad understanding, 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 also to be electrically connected to; Can be directly to be 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 the concrete meaning of above-mentioned term in the utility model.In addition, in description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
Below with reference to the baffler 100 of Fig. 1-Fig. 4 description according to a kind of compressor of the utility model embodiment, this baffler 100 is applicable to various compressors, as piston type, reciprocating type, scroll-type etc., wherein, compressor comprises the components and parts such as motor, running shaft, stator and rotor, the working principle of compressor and exhaust process etc. have been known by those skilled in the art, just are not described in detail here.
Baffler 100 according to the utility model embodiment's compressor as depicted in figs. 1 and 2, comprising: housing 1 and at least one resonant chamber 2 wherein, have the bottom-open of cavity 10 and cavity 10 in housing 1.Each resonant chamber 2 inside limit resonator chamber 20 and which is provided with opening 21, and wherein each resonant chamber 2 is located on housing 1 and with cavity 10 and is connected.
During compressor operating, air-flow in compressor can enter into the cavity 10 of housing 1, the a part of air-flow that enters in cavity 10 enters in resonator chamber 20 by the opening 21 on resonant chamber 2, when air-flow enters into resonator chamber 20 when interior, resonant chamber 2 can shake, in the process of resonant chamber 2 vibrations, air-flow has consumed the acoustic energy of air-flow owing to overcoming surface friction drag, thereby reaches the purpose that reduces noise.
Baffler 100 according to the utility model embodiment's compressor, by be provided with the resonant chamber 2 that is connected with cavity 10 on housing 1, when air-flow enters into resonator chamber 20 when interior, resonant chamber 2 can shake, thereby make air-flow by overcoming surface friction drag sound energy consumption, and then reach the purpose that reduces noise, improved the erasure effect of baffler 100.
Particularly, as shown in Figures 2 and 3, resonant chamber 2 comprises: body 22 and columnar entrance part 23, wherein resonator chamber 20 is formed in body 22 and opening 21 is located at the bottom of body 22.Bottom and its inner chamber 230 that entrance part 23 is located at body 22 are communicated with resonator chamber 20 by opening 21.Further, body 22 forms cylindrical shape.Preferably, body 22 and the coaxial setting of entrance part 23.Alternatively, the wall thickness of body 22 is identical with the wall thickness of entrance part 23, body 22 and entrance part 23 part that is formed in one.Thereby resonant chamber 2 is simple in structure, is convenient to machine shaping.
In embodiments more of the present utility model, as shown in Figures 2 and 3, the inner chamber 230 of entrance part 23 equates with the section area of opening 21, and the section area S of opening 21 satisfies following formula:
f reso = c 2 π S VL ′ ,
Wherein, f is resonant frequency, and c is the velocity of sound, and V is the volume of resonator chamber 20, and L '=L+0.8a, L are the degree of depth of inner chamber 230 and the degree of depth sum of opening 21, and a is the diameter of the cross section of opening 21, S=π a 2/ 4.As shown in Figure 3, the volume V of resonator chamber 20 can draw according to the diameter b of resonator chamber 20, height n, the L of resonant chamber 2, and this formula is known by those skilled in the art, does not just write out in detail here.
In other words, the frequency noise that resonant chamber 2 is eliminated as required designs, make the design of resonant chamber 2 satisfy the Helmholtz resonator principle, when the frequency that enters into the air-flow in resonator chamber 20 by opening 21 during near the resonant frequency of resonant chamber 2, resonance phenomenon can occur with resonant chamber 2 in the air-flow at opening 21 places, and in the process of vibrations, air-flow is sound energy consumption owing to overcoming surface friction drag, thereby can further abate the noise, further improve the erasure effect of baffler 100.
According to embodiments more of the present utility model, the angled setting of the axis of resonant chamber 2 and horizontal plane.Particularly, the axis of resonant chamber 2 and the angle between horizontal plane are 0 degree ~ 180 degree.In other words, axis and the angle between horizontal plane of resonant chamber 2 are arbitrarily, and resonant chamber 2 can be perpendicular to housing 1 setting, and resonant chamber 2 can also the mode parallel with horizontal plane be located on the sidewall of housing 1.Thereby can be convenient to the assembling of resonant chamber 2.In the example of Fig. 2, resonant chamber 2 is one, and this resonant chamber 2 arranges perpendicular to housing 1.When resonant chamber 2 is two or more, each resonant chamber 2 can be different from angle between horizontal plane, for example, when resonant chamber 2 is three, a resonant chamber 2 can arrange perpendicular to housing 1, another resonant chamber 2 can the mode parallel with horizontal plane be located on housing 1, and another tiltably is located on housing 1 by resonant chamber 2.
According to the utility model embodiment's compressor, comprise the baffler 100 according to the compressor of the utility model above-described embodiment.
Compressor according to the utility model embodiment, by being provided with baffler 100, the air-flow that compressor produces can enter into and make resonant chamber 2 vibrations in resonator chamber 20, in the process of resonant chamber 2 vibrations, air-flow is sound energy consumption by overcoming surface friction drag, thereby reach the purpose that reduces noise, improved the usability of compressor, improved working environment.
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 utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. the baffler of a compressor, is characterized in that, comprising:
Housing (1) has the bottom-open of cavity (10) and described cavity (10) in described housing (1);
At least one resonant chamber (2), each described resonant chamber (2) inside limit resonator chamber (20) and which is provided with opening (21), and it is upper and be connected with described cavity (10) that wherein each described resonant chamber (2) is located at described housing (1).
2. the baffler of compressor according to claim 1, is characterized in that, described resonant chamber comprises:
Body (22), wherein said resonator chamber (20) are formed in described body (22) and described opening (21) is located at the bottom of described body (22);
Bottom and its inner chamber (230) that columnar entrance part (23), described entrance part (23) are located at described body (22) are communicated with described resonator chamber (20) by described opening (21).
3. the baffler of compressor according to claim 2, is characterized in that, the inner chamber (230) of described entrance part (23) equates with the section area of described opening (21), and the section area S of described opening (21) satisfies following formula:
f reso = c 2 π S VL ′
Wherein, f is resonant frequency, and c is the velocity of sound, and V is the volume of described resonator chamber (20), and L '=L+0.8a, L are the degree of depth of described inner chamber (230) and the degree of depth sum of described opening (21), and a is the diameter of the cross section of described opening (21).
4. the baffler of compressor according to claim 3, is characterized in that, described body (22) forms cylindrical shape.
5. the baffler of compressor according to claim 4, is characterized in that, described body (22) and the coaxial setting of described entrance part (23).
6. the baffler of compressor according to claim 2, is characterized in that, the wall thickness of described body (22) is identical with the wall thickness of described entrance part (23).
7. the baffler of the described compressor of any one according to claim 1-6, is characterized in that, described body (22) and described entrance part (23) part that is formed in one.
8. the baffler of the described compressor of any one according to claim 1-6, is characterized in that the axis of described resonant chamber (2) and the angled setting of horizontal plane.
9. the baffler of compressor according to claim 8, is characterized in that, the axis of described resonant chamber (2) and the angle between horizontal plane are 0 degree ~ 180 degree.
10. a compressor, is characterized in that, comprises the baffler of the described compressor of any one according to claim 1-9.
CN 201220625408 2012-11-22 2012-11-22 Silencer of compressor and compressor with same Expired - Fee Related CN202991397U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500403A (en) * 2014-12-16 2015-04-08 广东美芝制冷设备有限公司 Rotary compressor
CN104533754A (en) * 2014-12-24 2015-04-22 合肥美的电冰箱有限公司 Silencing assembly of compressor and refrigerator
CN105275783A (en) * 2014-07-21 2016-01-27 Lg电子株式会社 Linear compressor
CN106401965A (en) * 2016-06-24 2017-02-15 珠海格力电器股份有限公司 Exhaust bearing block and screw compressor
US9890772B2 (en) 2014-07-21 2018-02-13 Lg Electronics Inc. Linear compressor
CN107830590A (en) * 2017-10-20 2018-03-23 珠海凌达压缩机有限公司 Pipeline muffler and air-conditioning system
CN113007097A (en) * 2021-03-25 2021-06-22 珠海格力节能环保制冷技术研究中心有限公司 Flange structure, compressor and air conditioner

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275783A (en) * 2014-07-21 2016-01-27 Lg电子株式会社 Linear compressor
CN105275783B (en) * 2014-07-21 2018-01-02 Lg电子株式会社 Linearkompressor
US9890772B2 (en) 2014-07-21 2018-02-13 Lg Electronics Inc. Linear compressor
US9989051B2 (en) 2014-07-21 2018-06-05 Lg Electronics Inc. Linear compressor
CN104500403A (en) * 2014-12-16 2015-04-08 广东美芝制冷设备有限公司 Rotary compressor
CN104500403B (en) * 2014-12-16 2016-06-29 广东美芝制冷设备有限公司 Rotary compressor
CN104533754A (en) * 2014-12-24 2015-04-22 合肥美的电冰箱有限公司 Silencing assembly of compressor and refrigerator
CN106401965A (en) * 2016-06-24 2017-02-15 珠海格力电器股份有限公司 Exhaust bearing block and screw compressor
CN106401965B (en) * 2016-06-24 2019-03-22 珠海格力电器股份有限公司 A kind of exhaust bearing block and helical-lobe compressor
CN107830590A (en) * 2017-10-20 2018-03-23 珠海凌达压缩机有限公司 Pipeline muffler and air-conditioning system
CN107830590B (en) * 2017-10-20 2023-07-21 珠海凌达压缩机有限公司 Pipeline muffler and air conditioning system
CN113007097A (en) * 2021-03-25 2021-06-22 珠海格力节能环保制冷技术研究中心有限公司 Flange structure, compressor and air conditioner

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20161122