CN203130519U - Silencer of compressor and compressor with same - Google Patents
Silencer of compressor and compressor with same Download PDFInfo
- Publication number
- CN203130519U CN203130519U CN 201320064210 CN201320064210U CN203130519U CN 203130519 U CN203130519 U CN 203130519U CN 201320064210 CN201320064210 CN 201320064210 CN 201320064210 U CN201320064210 U CN 201320064210U CN 203130519 U CN203130519 U CN 203130519U
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- compressor
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Abstract
The utility model discloses a silencer with a compressor and a compressor with the same. The silencer comprises an outer casing and an inner casing, wherein the bottom of the outer casing is open, and a cavity is limited in the outer casing; and the outer casing is provided with a vent hole. The inner casing is provided with a through hole; and the inner casing is arranged in the cavity to divide the cavity into a first subcavity and a second subcavity communicated with the first subcavity, which are separated up and down. According to the silencer disclosed by the utility model, in the compressor working process, a coolant gas entering the outer casing through the through hole of the inner casing can effectively lower the noise energy of the coolant gas due to the principle of pinhole silencing, and can enhance the exhaust noise frequency spectrum to high frequency; and the outer casing can perform secondary silencing on exhaust noise, thereby increasing the silencing volume and silencing frequency range through the two-time silencing, and enhancing the overall silencing effect of the silencer.
Description
Technical field
The utility model relates to compressor field, especially relates to a kind of baffler of compressor and has its compressor.
Background technique
During compressor operating, compressed cold media air backs down the outside exhaust of outlet valve by pump housing exhaust port, changes owing to be attended by rapid pressure near the outlet valve, inspires very big pressure wave, thereby produces the high-decibel noise.Near the noise that produces the exhaust port if the natural frequency in frequency noise and this space is close, also can inspire very high space sonorant in the process of transmitting to other enclosed spaces.The noise of this power character is the main noise source of compressor, reduce one of main path of this noise, near exhaust port, use silencer exactly, but the baffler on the present individual layer baffler, particularly main bearing that generally adopts is often because the restriction of position, expansion chamber is less, cause the noise reduction frequency band not wide, the sound-damping qualities deficiency does not reach the erasure effect of expection.
The model utility content
The utility model is intended to solve at least one of technical problem that exists in the prior art.
For this reason, a purpose of the present utility model is to propose a kind of baffler that improves the compressor of whole erasure effect.
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: frame, limit cavity in the bottom-open of described frame and the described frame, and described frame is provided with exhaust port; Inner housing, described inner housing is provided with through hole, and described inner housing is located in the described cavity second sub-chamber described cavity be separated into isolated first sub-chamber up and down and be communicated with described first sub-chamber.
Baffler according to compressor of the present utility model, by in the cavity of frame, being provided with inner housing, this inner housing can be separated into cavity first sub-chamber and second sub-chamber of connection, thereby in the process of compressor operating, enter into the cold media air in the frame because the principle of aperture noise reduction can effectively reduce the noise energy of this cold media air from the through hole of inner housing, simultaneously can push the exhaust noise frequency spectrum to high frequency, and frame can carry out the noise reduction second time to exhaust noise, by the secondary noise reduction, increase sound-damping qualities and noise reduction frequency range, thereby improve the whole erasure effect of baffler.
In addition, the baffler according to compressor of the present utility model also has following additional technical feature:
In embodiments more of the present utility model, described through hole is a plurality of.Thereby can further improve the whole erasure effect of baffler.
Further, described a plurality of through hole is evenly distributed on the described inner housing.Thereby not only be convenient to the machine shaping of inner housing, and can further improve the erasure effect of baffler.
Preferably, the diameter of each described through hole is D, and the spacing L between two whenever adjacent through holes is 5D-10D.Thereby can farthest utilize the aperture noise reduction to effectively reduce interfering noise, simultaneously the exhaust noise frequency spectrum be pushed to high frequency, so that the erasure effect of baffler is more excellent.
Particularly, the diameter D of described through hole is 0.5-3mm.
According to embodiments more of the present utility model, the height of described cavity is H, and the height of described second sub-chamber is h, and 1/3H＜h＜2/3H.Thereby can further guarantee the erasure effect of baffler.
Alternatively, described exhaust port is a plurality of.
In embodiments more of the present utility model, described frame comprises: first body of hollow, and the bottom-open of described first body is to limit described cavity; First flange, described first flange stretches out from the outer periphery of the bottom of described first body.Thereby make outer shell construction simple, be convenient to the machine shaping of frame.
Further, described inner housing comprises: second body of hollow, and the bottom-open of described second body and described second body are located in the described cavity; Second flange, described second flange stretches out from the outer periphery of the bottom of described second body, and described first flange links to each other with described second flange.Thereby make inner housing simple in structure, and be convenient to inner housing and be located in the cavity.
According to compressor of the present utility model, comprise the baffler according to the above-mentioned compressor of the utility model.
Compressor according to the utility model embodiment, by being provided with the baffler of above-described embodiment, inner housing utilizes the aperture noise reduction can effectively reduce noise energy, simultaneously the exhaust noise frequency spectrum is pushed to high frequency, frame can carry out the noise reduction second time to exhaust noise, by twice noise reduction, increases sound-damping qualities and noise reduction frequency range, can improve middle and high frequency range noise, effectively reduce the overall noise of compressor.
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 the description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the part schematic representation according to the utility model embodiment's compressor;
Fig. 2 is the schematic representation according to the utility model embodiment's baffler;
Fig. 3 is the schematic representation according to the frame in the utility model embodiment's the baffler;
Fig. 4 is the worm's eye view according to the inner housing in the utility model embodiment's the baffler;
Fig. 5 is the sectional drawing of inner housing shown in Figure 4.
Description of drawings:
Baffler 100, frame 1, cavity 10, exhaust port 11, first sub-chamber 101,
Inner housing 2, through hole 20, second body 21, second flange 22, second center through hole 210,
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein identical or similar label is represented identical or similar elements 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, close the orientation of indications such as term " " center ", " on ", D score, " preceding ", " back ", " left side ", " right side " or position is based on orientation shown in the drawings or position relation; only be the utility model and simplify and describe 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, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete implication 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. 5 description according to a kind of compressor of the utility model embodiment, this baffler 100 is assemblied on the main bearing 3 of compressor 200, can play noise reduction to the noise that produces in compressor 200 runnings.Wherein, compressor 200 also comprises piston, cylinder and supplementary bearing etc., and the structure of compressor 200 and working principle etc. have been known by those skilled in the art, just are not described in detail here.
According to the baffler 100 of the utility model embodiment's compressor, as Fig. 2-shown in Figure 5, comprising: frame 1 and inner housing 2, wherein, limit cavity 10 in the bottom-open of frame 1 and the frame 1, frame 1 is provided with exhaust port 11.Inner housing 2 is provided with through hole 20, and inner housing 2 is located in the cavity 10 second sub-chamber 102 cavity 10 be separated into isolated first sub-chamber 101 up and down and be communicated with first sub-chamber 101.In other words, inner housing 2 is located in the cavity 10 cavity 10 is separated into first sub-chamber 101 and 102, the second sub-chamber 102 of second sub-chamber and is positioned at the below of first sub-chamber 101, and first sub-chamber 101 and second sub-chamber 102 are connected by through hole 20.Further, exhaust port 11 can be a plurality of, and in embodiments more of the present utility model, exhaust port 11 can be 1-5, and in the example of Fig. 3, exhaust port 11 is 2.
As shown in Figure 1, by baffler 100 being set on the main bearing 3 so that baffler 100 is assembled on the compressor 200, during compressor 200 work, the cold media air of compression enters in the baffler 100 by the main bearing exhaust port, this moment, the cold media air of compression was introduced in second sub-chamber 102, enter in first sub-chamber 101 by the through hole 20 on the inner housing 2 then, last cold media air is discharged to the external world by the exhaust port 11 of frame 1, thereby enter into the cold media air in the frame 1 because the principle of aperture noise reduction can effectively reduce the noise energy of this cold media air from the through hole 20 of inner housing 2, simultaneously can push the exhaust noise frequency spectrum to high frequency, frame 1 can carry out the noise reduction second time to exhaust noise, by the secondary noise reduction, increase sound-damping qualities and noise reduction frequency range, thereby improve the whole erasure effect of baffler 100.
Baffler 100 according to the utility model embodiment's compressor, by in the cavity 10 of frame 1, being provided with inner housing 2, this inner housing 2 can be separated into cavity 10 first sub-chamber 101 and second sub-chamber 102 of connection, thereby in the process of compressor 200 work, enter into the cold media air in the frame 1 because the principle of aperture noise reduction can effectively reduce the noise energy of this cold media air from the through hole 20 of inner housing 2, simultaneously can push the exhaust noise frequency spectrum to high frequency, and frame 1 can carry out the noise reduction second time to exhaust noise, by the secondary noise reduction, increase sound-damping qualities and noise reduction frequency range, thereby improve the whole erasure effect of baffler 100.
As shown in Figure 4, in embodiments more of the present utility model, through hole 20 is a plurality of.Thereby can further improve the whole erasure effect of baffler 100.Further, a plurality of through holes 20 are evenly distributed on the inner housing 2.Thereby not only be convenient to the machine shaping of inner housing 2, and can further improve the erasure effect of baffler 100.Preferably, the diameter of each through hole 20 is D, and the spacing L between two whenever adjacent through holes 20 is 5D-10D.Particularly, the diameter D of through hole 20 is 0.5-3mm.Thereby can farthest utilize the aperture noise reduction to effectively reduce interfering noise, simultaneously the exhaust noise frequency spectrum be pushed to high frequency, so that the erasure effect of baffler 100 is more excellent.
According to embodiments more of the present utility model, as shown in Figure 2, the height of cavity 10 is H, and the height of second sub-chamber 102 is h, and 1/3H＜h＜2/3H.Thereby can further guarantee the erasure effect of baffler 100.
As shown in Figure 2, in embodiments more of the present utility model, frame 1 comprises: first body 12 of hollow and first flange 13, wherein, the bottom-open of first body 12 is to limit cavity 10.First flange 13 stretches out from the outer periphery of the bottom of first body 12.Particularly, first body 12 and first flange 13 part that is formed in one.Thereby frame 1 is simple in structure, is convenient to machine shaping.Further, inner housing 2 comprises: bottom-open and second body 21 of second body 21 of hollow and second flange, 22, the second bodies 21 are located in the cavity 10.Second flange 22 stretches out from the outer periphery of the bottom of second body 21, and first flange 13 links to each other with second flange 22.Particularly, second body 21 and second flange 22 part that is formed in one, thus make that inner housing 2 is simple in structure, and be convenient to inner housing 2 and be located in the cavity 10.
Particularly, as Fig. 1-shown in Figure 5, be formed with first center through hole 120 on first body 12, be formed with second center through hole 210 with first center through hole, 120 concentrics on second body 21, when being assembled to baffler 100 on the main bearing 3, can earlier inner housing 2 be set on the main bearing 3, be set in frame 1 on the main bearing 3 then and the flange 13 of winning is linked to each other with second flange 22, last inner housing 2 and frame 1 are fixed on the main bearing 3 by the bolt 4 that passes first flange 13 and second flange 22.
According to the utility model embodiment's compressor 200, comprise the baffler 100 according to the compressor of the utility model above-described embodiment.
In the description of this specification, concrete feature, structure, material or characteristics 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 description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination 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: can carry out multiple variation, modification, replacement and modification to these embodiments under the situation that does not break away from principle of the present utility model and aim, 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:
Frame limits cavity in the bottom-open of described frame and the described frame, and described frame is provided with exhaust port;
Inner housing, described inner housing is provided with through hole, and described inner housing is located in the described cavity second sub-chamber described cavity be separated into isolated first sub-chamber up and down and be communicated with described first sub-chamber.
2. the baffler of compressor according to claim 1 is characterized in that, described through hole is a plurality of.
3. the baffler of compressor according to claim 2 is characterized in that, described a plurality of through holes are evenly distributed on the described inner housing.
4. the baffler of compressor according to claim 3 is characterized in that, the diameter of each described through hole is D, and the spacing L between two whenever adjacent through holes is 5D-10D.
5. the baffler of compressor according to claim 4 is characterized in that, the diameter D of described through hole is 0.5-3mm.
6. according to the baffler of each described compressor among the claim 1-5, it is characterized in that the height of described cavity is H, the height of described second sub-chamber is h, and 1/3H＜h＜2/3H.
7. the baffler of compressor according to claim 1 is characterized in that, described exhaust port is a plurality of.
8. the baffler of compressor according to claim 1 is characterized in that, described frame comprises:
First body of hollow, the bottom-open of described first body is to limit described cavity;
First flange, described first flange stretches out from the outer periphery of the bottom of described first body.
9. the baffler of compressor according to claim 8 is characterized in that, described inner housing comprises:
Second body of hollow, the bottom-open of described second body and described second body are located in the described cavity;
Second flange, described second flange stretches out from the outer periphery of the bottom of described second body, and described first flange links to each other with described second flange.
10. a compressor is characterized in that, comprises the baffler according to each described compressor among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064210 CN203130519U (en) | 2013-02-04 | 2013-02-04 | Silencer of compressor and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064210 CN203130519U (en) | 2013-02-04 | 2013-02-04 | Silencer of compressor and compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130519U true CN203130519U (en) | 2013-08-14 |
Family
ID=48938501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064210 Expired - Lifetime CN203130519U (en) | 2013-02-04 | 2013-02-04 | Silencer of compressor and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130519U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454448A (en) * | 2014-11-19 | 2015-03-25 | 广东美芝制冷设备有限公司 | Compressor |
| CN106968956A (en) * | 2017-05-26 | 2017-07-21 | 广东美芝精密制造有限公司 | Rotary compressor and humidity control system |
| CN107614881A (en) * | 2015-10-27 | 2018-01-19 | 三菱重工制冷空调系统株式会社 | Rotary compressor |
| CN110439822A (en) * | 2019-08-20 | 2019-11-12 | 松下·万宝(广州)压缩机有限公司 | A kind of Novel noise-reduction lid and compressor |
| CN114810606A (en) * | 2021-01-22 | 2022-07-29 | 上海海立电器有限公司 | Silencer and rotor compressor comprising same |
-
2013
- 2013-02-04 CN CN 201320064210 patent/CN203130519U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454448A (en) * | 2014-11-19 | 2015-03-25 | 广东美芝制冷设备有限公司 | Compressor |
| CN107614881A (en) * | 2015-10-27 | 2018-01-19 | 三菱重工制冷空调系统株式会社 | Rotary compressor |
| CN106968956A (en) * | 2017-05-26 | 2017-07-21 | 广东美芝精密制造有限公司 | Rotary compressor and humidity control system |
| CN110439822A (en) * | 2019-08-20 | 2019-11-12 | 松下·万宝(广州)压缩机有限公司 | A kind of Novel noise-reduction lid and compressor |
| CN114810606A (en) * | 2021-01-22 | 2022-07-29 | 上海海立电器有限公司 | Silencer and rotor compressor comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
|
| CX01 | Expiry of patent term |