CN105673445A - Silencing assembly for compressor, and compressor with same - Google Patents
Silencing assembly for compressor, and compressor with same Download PDFInfo
- Publication number
- CN105673445A CN105673445A CN201610032589.2A CN201610032589A CN105673445A CN 105673445 A CN105673445 A CN 105673445A CN 201610032589 A CN201610032589 A CN 201610032589A CN 105673445 A CN105673445 A CN 105673445A
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- CN
- China
- Prior art keywords
- noise reduction
- compressor
- silencing cavity
- hush pipe
- silencing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
Abstract
The invention discloses a silencing assembly for a compressor, and a compressor with the same. The silencing assembly for the compressor comprises a silencer and a silencing tube, wherein a silencing cavity is defined in the silencer, and the silencing cavity is provided with an intake port and an exhaust port; and the silencing tube is arranged on at least one of the intake port and the exhaust port. According to the silencing assembly for the compressor, which is disclosed by the invention, airflow can be silenced for many times through arrangement of the silencing tube in the silencing assembly; and the silencing tube is capable of reflecting and diffusing the airflow, reducing suction pressure disturbance, and lowering the noise of intermediate-frequency airflow in the compressor, thus improving the silencing effect of the silencing assembly, lowering the noise of exhaust airflow of the compressor, and improving the performance of the compressor.
Description
Technical field
The present invention relates to Compressor Technology field, especially relate to a kind of noise reduction assembly for compressor and there is its compressor.
Background technology
In correlation technique, compressor suction, exhaust gas, with significantly high velocity flow outlet spout or aperture, impact, entrainment surrounding environmental gases, form violent disturbance, thus giving off strong noise. In order to reduce compressor air-discharging noise, acoustic filter is generally set on the compressor. Acoustic filter is outwardly convex to be gone out to form the housing of silencing cavity, is provided with gas outlet on the outer peripheral face of suppressor case. Owing to gas outlet is located on the outer peripheral face of suppressor case, the gases at high pressure cavity reflection lower noise in acoustic filter discharged from gas outlet. Acoustic filter in compressor makes the continuous reflected refraction in cavity of aerofluxus sound wave cancel out each other, thus obtaining soundproof effect in frequency range widely, but acoustic filter is typically mounted at main bearing of compressor and rotor compares in narrow space, acoustic filter cavity is only small so that erasure effect is bad.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art. For this, it is an object of the present invention to propose a kind of noise reduction assembly for compressor, the described advantage that there is good muffling effect for the noise reduction assembly of compressor.
Further object is that and propose a kind of compressor with above-mentioned noise reduction assembly.
The noise reduction assembly for compressor according to a first aspect of the present invention, including: deafener, limit silencing cavity in described deafener, described silencing cavity has air inlet and gas outlet; And hush pipe, described hush pipe is located at least one in described air inlet and described gas outlet.
The noise reduction assembly for compressor according to the present invention, by arranging hush pipe in noise reduction assembly, air-flow can be carried out repeatedly noise reduction, and air-flow can be reflected, spread by hush pipe, reducing pressure of inspiration(Pi) disturbance, reducing the intermediate frequency pneumatic noise in compressor, thus improve the erasure effect of noise reduction assembly, reduce the noise of compressor air-discharging air-flow, improve the performance of compressor.
According to some embodiments of the present invention, described hush pipe is provided with multiple noise reduction micropore.
Alternatively, the number of described noise reduction micropore is N, and described N meets: N >=3.
Specifically, the porosity of the described noise reduction micropore on described hush pipe is 1%-5%.
According to some embodiments of the present invention, the area of described noise reduction micropore is 3mm2-13mm2。
Alternatively, described noise reduction micropore is formed as circular port, slotted eye or polygonal hole.
Specifically, described hush pipe is formed as straight tube, bend pipe, conical pipe or stairstepping pipe.
According to some embodiments of the present invention, limiting multiple silencing cavity in described deafener, the adjacent gas outlet of a silencing cavity in two described silencing cavity connects with the air inlet of another silencing cavity.
Compressor according to a second aspect of the present invention, including: housing, described housing has air vent; With the noise reduction assembly for compressor according to the above-mentioned first aspect of the present invention, described air vent is connected with the described gas outlet of described deafener.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the axonometric chart of the noise reduction assembly for compressor according to embodiments of the present invention;
Fig. 2 is the structural representation of the noise reduction assembly for compressor shown in Fig. 1;
Fig. 3 is the top view of the noise reduction assembly for compressor shown in Fig. 2;
Fig. 4 is the axonometric chart of noise reduction assembly for compressor in accordance with another embodiment of the present invention;
Fig. 5 is the profile of the noise reduction assembly for compressor shown in Fig. 4.
Accompanying drawing labelling:
Noise reduction assembly 100,
Deafener 1, silencing cavity 11, the first silencing cavity 111, the second silencing cavity 112,
Hush pipe 2, noise reduction micropore 21.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " length ", " width ", " thickness ", " on ", D score, " interior ", " outward ", " axially ", " radially ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention. Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic. Thus, define " first ", the feature of " second " can express or implicitly include one or more these features. In describing the invention, except as otherwise noted, " multiple " are meant that two or more.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature.
Below with reference to Fig. 1-Fig. 5, the noise reduction assembly 100 for compressor according to embodiments of the present invention is described.
As it is shown in figure 1, according to a first aspect of the present invention embodiment for the noise reduction assembly 100 of compressor, including deafener 1 and hush pipe 2.
Wherein, limiting silencing cavity 11 in deafener 1, silencing cavity 11 has air inlet and gas outlet, and hush pipe 2 is located at least one in air inlet and gas outlet. That is, it is possible to only one of them in air inlet and gas outlet arranges hush pipe 2, it is also possible to hush pipe 2 is all set on air inlet and gas outlet.
Such as, when only arranging hush pipe 2 at the air inlet place of silencing cavity 11, compressor air-discharging air-flow enters and first passes through before silencing cavity 11 after hush pipe 2 carries out noise reduction, enters back into and carries out secondary noise reduction in silencing cavity 11, finally discharges from gas outlet; When only arranging hush pipe 2 at the gas outlet place of silencing cavity 11, compressor air-discharging air-flow is introduced in silencing cavity 11 to carry out noise reduction, carry out secondary noise reduction then through hush pipe 2; When air inlet and gas outlet place are designed with hush pipe 2, compressor air-discharging air-flow enters and first passes through before silencing cavity 11 after hush pipe 2 carries out noise reduction, enters back into silencing cavity 11 and carries out secondary noise reduction, and the hush pipe 2 finally entering gas outlet place carries out noise reduction again. Thus, air-flow can be carried out repeatedly noise reduction, and air-flow can be reflected, spread by hush pipe 2, reduce pressure of inspiration(Pi) disturbance, reduce the intermediate frequency pneumatic noise in compressor, thus improve the erasure effect of noise reduction assembly 100, reducing the noise of compressor air-discharging air-flow, improving the performance of compressor.
The noise reduction assembly 100 for compressor according to embodiments of the present invention, by arranging hush pipe 2 in noise reduction assembly 100, air-flow can be carried out repeatedly noise reduction, and air-flow can be reflected, spread by hush pipe 2, reducing pressure of inspiration(Pi) disturbance, reducing the intermediate frequency pneumatic noise in compressor, thus improve the erasure effect of noise reduction assembly 100, reduce the noise of compressor air-discharging air-flow, improve the performance of compressor.
According to some embodiments of the present invention, hush pipe 2 is provided with multiple noise reduction micropore 21. Alternatively, the number of noise reduction micropore 21 is that N, N meet: N >=3. Wherein, noise reduction micropore 21 structure is the resonance sound-absorbing structure of a kind of matter in a low voice, high acoustic resistance, its performance is between sound-absorbing porous material and resonance sound-absorbing structure, its sound sucting band width can be better than the perforation board resonance sound absorption structure of routine, have the advantages that acoustic absorptivity is high and sound absorption frequency is wide, the noise of compressor air-discharging air-flow can be effectively reduced. With reference to Fig. 1-Fig. 4, noise reduction micropore 21 can be formed through the through hole of the tube wall of hush pipe 2, simple in construction, easily processing, applied widely, can be effectively reduced the noise of low noise frequency-changeable compressor.
According to some embodiments of the present invention, noise reduction micropore 21 can be formed as circular port, slotted eye or polygonal hole etc., but is not limited to this. Such as, in the example of Fig. 1 and Fig. 4, noise reduction micropore 21 is formed as circular port, and noise reduction micropore 21 is, and array distribution is on the tube wall of hush pipe 2.Wherein, noise reduction micropore 21 can the array distribution such as square, equilateral triangle, this is not especially limited by the present invention.
Specifically, the porosity of the noise reduction micropore 21 on hush pipe 2 is 1%-5%. Thus, it is possible to increase resonant frequency, such that it is able to improve erasure effect, and simple in construction, be easy to processing, applied widely, the noise of low noise frequency-changeable compressor can be effectively reduced. Additionally, under certain condition, increase porosity and also can increase acoustic absorptivity, such that it is able to improve erasure effect further.
Here, it is necessary to explanation, described " porosity " in the application refers to the ratio that the area of noise reduction micropore 21 accounts for the gross area of hush pipe 2.
According to some embodiments of the present invention, the area of noise reduction micropore 21 is 3mm2-13mm2. In theory, the area of noise reduction micropore 21 is more little, and acoustic absorptivity will be more big, can also widen bandwidth simultaneously, and its acoustically effective is relative also more good, but the area of noise reduction micropore 21 is more little, and difficulty of processing is also more big, and processing cost also rises therewith. If the area of noise reduction micropore 21 is excessive, then acoustic absorptivity reduces, and causes that noise reduction is inconspicuous. Showing through experimental study, the area of noise reduction micropore 21 is 3mm2-13mm2Time, the erasure effect of noise reduction assembly 100 is better, and technique is simple, and processing cost is low.
Specifically, the material of hush pipe 2 is metal foil. Thus, not only can improve the erasure effect of hush pipe 2, be also convenient for the surface configuration noise reduction micropore 21 at hush pipe 2, thus create a further reduction difficulty of processing, and then create a further reduction processing cost.
Alternatively, hush pipe 2 can be formed as straight tube, bend pipe, conical pipe or stairstepping pipe, but is not limited to this. Such as, in the example of Fig. 1 and Fig. 4, hush pipe 2 is formed as straight tube. Specifically, hush pipe 2 is formed as the cylindrical shape of both ends open, simple in construction, it is simple to processing.
According to some embodiments of the present invention, limiting multiple silencing cavity 11 in deafener 1, the adjacent gas outlet of a silencing cavity 11 in two silencing cavity 11 connects with the air inlet of another silencing cavity 11. It is to say, the gas outlet of a silencing cavity 11 in adjacent two silencing cavity 11 can as the air inlet of another silencing cavity 11. Such as, in the example of fig. 3, in deafener 1, limit two silencing cavity 11, for convenience of describing, above-mentioned two silencing cavity 11 is called the first silencing cavity 111 and the second silencing cavity 112. Wherein, the gas outlet of the first silencing cavity 111 connects with the air inlet of the second silencing cavity 112 and the air inlet that gas outlet is the second silencing cavity 112 of the first silencing cavity 111. Compressor air-discharging air-flow enters after the first silencing cavity 111 carries out noise reduction, enters in the second silencing cavity 112 from the gas outlet of the first silencing cavity 111 and carries out noise reduction. Thus, further increasing the erasure effect of noise reduction assembly 100, thus create a further reduction the noise of compressor air-discharging air-flow.
Specifically, hush pipe 2 can be located at least one in the air inlet of the first silencing cavity 111, the gas outlet of the first silencing cavity 111 and the gas outlet of the second silencing cavity 112. That is, one of them in the air inlet of the first silencing cavity 111, the gas outlet of the first silencing cavity 111 and the gas outlet of the second silencing cavity 112 can be provided with hush pipe 2, or the two of which in the gas outlet of the gas outlet of the air inlet of the first silencing cavity 111, the first silencing cavity 111 and the second silencing cavity 112 can be provided with hush pipe 2, or the gas outlet of the air inlet of the first silencing cavity 111, the first silencing cavity 111 and the second silencing cavity 112 are equipped with hush pipe 2.
For example, referring to Fig. 4 and Fig. 5, hush pipe 2 is located at the gas outlet place of the first silencing cavity 111, thus, improves the erasure effect of noise reduction assembly 100, and reduces the holistic cost of noise reduction assembly 100.
Below with reference to Fig. 1-Fig. 5,100 two specific embodiments of noise reduction assembly for compressor according to embodiments of the present invention are described.
Embodiment one:
As shown in Figure 1-Figure 3, for the noise reduction assembly 100 of compressor, including deafener 1 and hush pipe 2. Wherein, limiting silencing cavity 11 in deafener 1, silencing cavity 11 has air inlet and gas outlet, and hush pipe 2 is located at gas outlet place. Compressor air-discharging air-flow can be introduced in silencing cavity 11 to carry out noise reduction, carry out secondary noise reduction then through hush pipe 2. Thus, improve the erasure effect of noise reduction assembly 100.
Hush pipe 2 is formed as the cylindrical shape of both ends open, and the material of hush pipe 2 is metal foil, simple in construction, it is simple to processing. Hush pipe 2 is provided with the circular noise reduction micropore 21 that multiple diameter is 1mm, and noise reduction micropore 21 is that array distribution is on the tube wall of hush pipe 2. The porosity of the noise reduction micropore 21 on hush pipe 2 is 3%.
Embodiment two:
As shown in Figure 4 and Figure 5, the present embodiment is roughly the same with the structure of embodiment one, wherein identical parts adopt identical accompanying drawing labelling, it is different in that: in the deafener 1 in embodiment one, limit a silencing cavity 11, hush pipe 2 is located at the gas outlet place of silencing cavity 11, and in the present embodiment, limits two silencing cavity 11 in deafener 1, i.e. the first silencing cavity 111 and the second silencing cavity 112, hush pipe 2 is located at the gas outlet place of the first silencing cavity 111.
The noise reduction assembly 100 for compressor according to embodiments of the present invention, by arranging hush pipe 2 in noise reduction assembly 100, compressor air-discharging air-flow can be carried out repeatedly noise reduction, improve the erasure effect of noise reduction assembly 100, thus reducing the noise of compressor air-discharging air-flow, and the simple in construction of hush pipe 2, processing cost is low.
The compressor of embodiment according to a second aspect of the present invention, including housing and the noise reduction assembly 100 for compressor according to the above-mentioned first aspect embodiment of the present invention. Wherein, housing has air vent, and air vent is connected with the gas outlet of deafener 1.
Such as, compressor can be rotary compressor and include housing and noise reduction assembly 100, is provided with motor and compression mechanism in housing. Wherein, motor includes stator and rotor, and compression mechanism includes bent axle, cylinder and is positioned at base bearing and the supplementary bearing of cylinder both sides. Stator is fixed on the inwall of housing, and rotor is fixed on the bent axle in compression mechanism. Being provided with upper air-vent and deafener 1 on base bearing, upper air-vent is connected with silencing cavity 11 by the air inlet of deafener 1. The gas outlet of deafener 1 connects with the air vent of housing, and hush pipe 2 can be located on the gas outlet of deafener 1. Thus, discharge gas from upper air-vent and can first pass through noise reduction assembly 100 noise reduction, then discharge from the air vent of housing again, such that it is able to reduce pressure of inspiration(Pi) disturbance, promote compressor performance, reduce the intermediate frequency pneumatic noise of compressor simultaneously.
The compressor of embodiment according to a second aspect of the present invention, by arranging the noise reduction assembly 100 for compressor of above-mentioned first aspect embodiment, reduces the noise of compressor air-discharging air-flow, improves the overall performance of compressor.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (9)
1. the noise reduction assembly for compressor, it is characterised in that including:
Deafener, limits silencing cavity in described deafener, described silencing cavity has air inlet and gas outlet; And
Hush pipe, described hush pipe is located at least one in described air inlet and described gas outlet.
2. the noise reduction assembly for compressor according to claim 1, it is characterised in that described hush pipe is provided with multiple noise reduction micropore.
3. the noise reduction assembly for compressor according to claim 2, it is characterised in that the number of described noise reduction micropore is N, described N meets: N >=3.
4. the noise reduction assembly for compressor according to claim 2, it is characterised in that the porosity of the described noise reduction micropore on described hush pipe is 1%-5%.
5. the noise reduction assembly for compressor according to claim 2, it is characterised in that the area of described noise reduction micropore is 3mm2-13mm2。
6. the noise reduction assembly for compressor according to claim 2, it is characterised in that described noise reduction micropore is formed as circular port, slotted eye or polygonal hole.
7. the noise reduction assembly for compressor according to claim 1, it is characterised in that described hush pipe is formed as straight tube, bend pipe, conical pipe or stairstepping pipe.
8. the noise reduction assembly for compressor according to any one of claim 1-7, it is characterized in that, limiting multiple silencing cavity in described deafener, the adjacent gas outlet of a silencing cavity in two described silencing cavity connects with the air inlet of another silencing cavity.
9. a compressor, it is characterised in that including:
Housing, described housing has air vent;
The noise reduction assembly for compressor according to any one of claim 1-8, described air vent is connected with the described gas outlet of described deafener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032589.2A CN105673445A (en) | 2016-01-18 | 2016-01-18 | Silencing assembly for compressor, and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032589.2A CN105673445A (en) | 2016-01-18 | 2016-01-18 | Silencing assembly for compressor, and compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105673445A true CN105673445A (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610032589.2A Pending CN105673445A (en) | 2016-01-18 | 2016-01-18 | Silencing assembly for compressor, and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198281A (en) * | 2021-12-14 | 2022-03-18 | 珠海凌达压缩机有限公司 | Amortization structure, compressor and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202392A (en) * | 1982-05-20 | 1983-11-25 | Sanyo Electric Co Ltd | Enclosed type rotary compressor |
| CN1260447A (en) * | 1999-01-14 | 2000-07-19 | 三星电子株式会社 | Exhausting silencing apparatus for air-tight rotary compressor |
| JP2006274836A (en) * | 2005-03-28 | 2006-10-12 | Sanyo Electric Co Ltd | Mounting method of upper cup muffler |
| CN201599191U (en) * | 2008-09-24 | 2010-10-06 | 东芝开利株式会社 | Rotary compressor and refrigeration circulating device |
| CN203257636U (en) * | 2013-05-29 | 2013-10-30 | 张雪燕 | Silencer of compressor |
| CN105221391A (en) * | 2015-10-22 | 2016-01-06 | 昌吉市创惠信息科技有限公司 | A kind of baffler |
-
2016
- 2016-01-18 CN CN201610032589.2A patent/CN105673445A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202392A (en) * | 1982-05-20 | 1983-11-25 | Sanyo Electric Co Ltd | Enclosed type rotary compressor |
| CN1260447A (en) * | 1999-01-14 | 2000-07-19 | 三星电子株式会社 | Exhausting silencing apparatus for air-tight rotary compressor |
| JP2006274836A (en) * | 2005-03-28 | 2006-10-12 | Sanyo Electric Co Ltd | Mounting method of upper cup muffler |
| CN201599191U (en) * | 2008-09-24 | 2010-10-06 | 东芝开利株式会社 | Rotary compressor and refrigeration circulating device |
| CN203257636U (en) * | 2013-05-29 | 2013-10-30 | 张雪燕 | Silencer of compressor |
| CN105221391A (en) * | 2015-10-22 | 2016-01-06 | 昌吉市创惠信息科技有限公司 | A kind of baffler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114198281A (en) * | 2021-12-14 | 2022-03-18 | 珠海凌达压缩机有限公司 | Amortization structure, compressor and air conditioner |
| CN114198281B (en) * | 2021-12-14 | 2023-09-29 | 珠海凌达压缩机有限公司 | Amortization structure, compressor and air conditioner |
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Application publication date: 20160615 |