CN204961216U - Silencer and refrigerator - Google Patents
Silencer and refrigerator Download PDFInfo
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- CN204961216U CN204961216U CN201520651517.7U CN201520651517U CN204961216U CN 204961216 U CN204961216 U CN 204961216U CN 201520651517 U CN201520651517 U CN 201520651517U CN 204961216 U CN204961216 U CN 204961216U
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- inserting tube
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Abstract
The utility model provides a silencer and refrigerator, wherein, the silencer includes the convergent insert tube and expands the chamber pipe, the first end of expansion chamber pipe with the outer pipe wall sealing connection of convergent insert tube, the second end of expansion chamber pipe is equipped with the opening, just the macrostoma end position of convergent insert tube in expansion chamber outside of tubes, the osculum end position of convergent insert tube in the expansion chamber is intraductal. The silencer that this technical scheme provided changes through the pipe diameter and arouses that the acoustic impedance changes, with low frequency noise's partial sound wave reflection for produce the phase difference between the sound wave propagated forward and the reflection sound wave, so that the sound wave mutual interference of the sound wave of propagating forward and the reflection of different cross -sections, thereby reduction low frequency noise.
Description
Technical field
The utility model relates to household appliance technical field, more specifically, relates to a kind of silencing apparatus and a kind of refrigerator including this silencing apparatus.
Background technique
The suction of the compressor of refrigerator in the market, exhaust process are intermittent, make the pressure of air-flow and speed in periodically changing, causing managing interior gas is pulse state, cause the interior gas parameter of pipe not only with change in location, and intercropping cyclically-varying at any time, as pressure, speed, density etc., this generates gas, send " drone " low frequency noise, the structure of current refrigerator silencing apparatus is too simple, well can not remove the low frequency noise that compressor produces.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, an object of the present utility model is, provides a kind of silencing apparatus.
Another object of the present utility model is, provides a kind of refrigerator, comprises above-mentioned silencing apparatus.
For achieving the above object, the embodiment of the utility model first aspect provides a kind of silencing apparatus, described silencing apparatus comprises convergent Inserting Tube and expansion lumen, the first end of described expansion lumen and the outer tube wall of described convergent Inserting Tube are tightly connected, second end of described expansion lumen is provided with opening, and the big opening end of described convergent Inserting Tube is positioned at outside described expansion lumen, the osculum end of described convergent Inserting Tube is positioned at described expansion lumen.
According to the silencing apparatus of embodiment of the present utility model, this silencing apparatus comprises convergent Inserting Tube and expansion lumen, refrigerant is entered by the big opening end of convergent Inserting Tube, expansion lumen is entered afterwards by the osculum end of convergent Inserting Tube, finally discharged by the opening of expansion lumen second end, the caliber of convergent Inserting Tube reduces gradually, acoustic impedance can be caused to change, the acoustic wave segment reflection of the low frequency noise that air pulsing is produced, make to produce phase difference between the sound wave of forward direction and reflective sound wave, when sound wave enters expansion lumen by convergent Inserting Tube, pipeline section is expanded suddenly and acoustic impedance can be caused equally to change, the acoustic wave segment of low frequency noise is reflected, make to produce phase difference between the sound wave of forward direction and reflective sound wave, mutually interfere to make the sound wave that the sound wave of forward direction and different cross section reflect, thus reduction low frequency noise.
According to an embodiment of the present utility model, the cone angle of described convergent Inserting Tube is in the scope of 32 ° to 40 °.
According to the silencing apparatus of embodiment of the present utility model, when the cone angle of convergent Inserting Tube is in the scope of 32 ° to 40 °, after the sound wave that convergent Inserting Tube reflects superposes with the sound wave of forward direction, sound wave amplitude reduces, thus realizes the object reducing noise.
According to an embodiment of the present utility model, the optimum value of the cone angle of described convergent Inserting Tube is 36 °.
According to the silencing apparatus of embodiment of the present utility model, when the cone angle of convergent Inserting Tube is 36 °, after the sound wave that convergent Inserting Tube reflects superposes with the sound wave of forward direction, sound wave amplitude is minimum, and now the noise reduction of silencing apparatus is best.
According to an embodiment of the present utility model, the osculum end of described convergent Inserting Tube is connected with straight tube, and described straight tube is positioned at described expansion lumen.
According to the silencing apparatus of embodiment of the present utility model, the resistance that the contraction of silencing apparatus pipeline and expansion can make refrigerant bear increases, and affects the mobility of refrigerant, the air-breathing of compressor or exhaust effect are affected.When refrigerant flows through convergent Inserting Tube, reducing of caliber can make refrigerant flow rate accelerate, make to occur vacuum layer between the refrigerant of different in flow rate, what the negative pressure that vacuum layer produces can promote refrigerant flows to effect, straight tube is connected at the osculum end of convergent Inserting Tube, the action time of vacuum layer can be extended, thus significantly promote the flow effect of refrigerant, the effect of compressor air suction or exhaust is got a promotion.
According to an embodiment of the present utility model, the tube wall of described expansion lumen is double layer construction, and the interlayer between described double layer construction is vacuum layer.
According to the silencing apparatus of embodiment of the present utility model, the tube wall of expansion lumen is the double layer construction with vacuum sandwich, and vacuum layer can stop noise outwards to be propagated by the tube wall of expansion cavity, thus promotes the soundproof effect of silencing apparatus.
According to an embodiment of the present utility model, described convergent Inserting Tube is metal tube.
According to an embodiment of the present utility model, described expansion lumen is metal tube.
According to an embodiment of the present utility model, described convergent Inserting Tube and described expansion lumen are by being welded to connect.
According to the silencing apparatus of embodiment of the present utility model, the reliability be welded to connect is high, and simple to operate, and convergent Inserting Tube and expansion lumen, by being welded to connect, can reducing the production difficulty of product, improve the manufacturing efficiency of product, thus reduce the cost of production of product.
The embodiment of the utility model second aspect provides a kind of refrigerator, and comprise the silencing apparatus that compressor and the utility model first aspect any embodiment provide, the suction tude of described compressor and/or outlet pipe are connected to described silencing apparatus.
The refrigerator that the utility model second aspect embodiment provides, has the silencing apparatus that the utility model first aspect any embodiment provides, and therefore this refrigerator has whole beneficial effects of the silencing apparatus that above-mentioned any embodiment provides, and does not repeat them here.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the silencing apparatus described in the utility model one embodiment.
Wherein, the corresponding relation in Fig. 1 between reference character and component names is:
1 silencing apparatus, 11 convergent Inserting Tubes, 12 expansion lumens, 13 straight tubes.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figure 1, the embodiment of the utility model first aspect provides a kind of silencing apparatus 1, described silencing apparatus 1 comprises convergent Inserting Tube 11 and expansion lumen 12, the first end of described expansion lumen 12 and the outer tube wall of described convergent Inserting Tube 11 are tightly connected, second end of described expansion lumen 12 is provided with opening, and the big opening end of described convergent Inserting Tube 11 is positioned at outside described expansion lumen 12, the osculum end of described convergent Inserting Tube 11 is positioned at described expansion lumen 12.
According to the silencing apparatus 1 of embodiment of the present utility model, this silencing apparatus 1 comprises convergent Inserting Tube 11 and expansion lumen 12, refrigerant is entered by the big opening end of convergent Inserting Tube 11, expansion lumen 12 is entered afterwards by the osculum end of convergent Inserting Tube 11, finally discharged by the opening of expansion lumen 12 second end, the caliber of convergent Inserting Tube 11 reduces gradually, acoustic impedance can be caused to change, the acoustic wave segment reflection of the low frequency noise that air pulsing is produced, make to produce phase difference between the sound wave of forward direction and reflective sound wave, when sound wave enters expansion lumen 12 by convergent Inserting Tube 11, pipeline section is expanded suddenly and acoustic impedance can be caused equally to change, the acoustic wave segment of low frequency noise is reflected, make to produce phase difference between the sound wave of forward direction and reflective sound wave, mutually interfere to make the sound wave that the sound wave of forward direction and different cross section reflect, thus reduction low frequency noise.
According to an embodiment of the present utility model, the cone angle of described convergent Inserting Tube 11 is in the scope of 32 ° to 40 °.
According to the silencing apparatus 1 of embodiment of the present utility model, when the cone angle of convergent Inserting Tube 11 is in the scope of 32 ° to 40 °, after the sound wave that convergent Inserting Tube 11 reflects superposes with the sound wave of forward direction, sound wave amplitude reduces, thus realizes the object reducing noise.
According to an embodiment of the present utility model, the optimum value of the cone angle of described convergent Inserting Tube 11 is 36 °.
According to the silencing apparatus 1 of embodiment of the present utility model, when the cone angle of convergent Inserting Tube 11 is 36 °, after the sound wave that convergent Inserting Tube 11 reflects superposes with the sound wave of forward direction, sound wave amplitude is minimum, and now the noise reduction of silencing apparatus 1 is best.
According to an embodiment of the present utility model, the osculum end of described convergent Inserting Tube 11 is connected with straight tube 13, and described straight tube 13 is positioned at described expansion lumen 12.
According to the silencing apparatus 1 of embodiment of the present utility model, the resistance that the contraction of silencing apparatus 1 pipeline and expansion can make refrigerant bear increases, and affects the mobility of refrigerant, the air-breathing of compressor or exhaust effect are affected.When refrigerant flows through convergent Inserting Tube 11, reducing of caliber can make refrigerant flow rate accelerate, make to occur vacuum layer between the refrigerant of different in flow rate, what the negative pressure that vacuum layer produces can promote refrigerant flows to effect, straight tube 13 is connected at the osculum end of convergent Inserting Tube 11, the action time of vacuum layer can be extended, thus significantly promote the flow effect of refrigerant, the effect of compressor air suction or exhaust is got a promotion.
According to an embodiment of the present utility model, the tube wall of described expansion lumen 12 is double layer construction, and the interlayer between described double layer construction is vacuum layer.
According to the silencing apparatus 1 of embodiment of the present utility model, the tube wall of expansion lumen 12 is the double layer construction with vacuum sandwich, and vacuum layer can stop noise outwards to be propagated by the tube wall of expansion cavity, thus promotes the soundproof effect of silencing apparatus 1.
According to an embodiment of the present utility model, described convergent Inserting Tube 11 is metal tube.
According to an embodiment of the present utility model, described expansion lumen 12 is metal tube.
According to an embodiment of the present utility model, described convergent Inserting Tube 11 and described expansion lumen 12 are by being welded to connect.
According to the silencing apparatus 1 of embodiment of the present utility model, the reliability be welded to connect is high, and simple to operate, convergent Inserting Tube 11 and expansion lumen 12 are by being welded to connect, the production difficulty of product can be reduced, improve the manufacturing efficiency of product, thus reduce the cost of production of product.
The embodiment of the utility model second aspect provides a kind of refrigerator (not shown), includes silencing apparatus as described in the utility model first aspect any embodiment.Particularly, can fix a silencer in the suction tude of compressor, the big opening end of convergent Inserting Tube of silencing apparatus is connected with the suction tude of compressor; Also can fix a silencer on the outlet pipe of compressor, the big opening end of convergent Inserting Tube of silencing apparatus is connected with the outlet pipe of compressor; In the suction tude of compressor and outlet pipe, respectively can also install a silencing apparatus, the big opening end of the convergent Inserting Tube of two silencing apparatuss is connected with the suction tude of compressor and outlet pipe respectively.
The refrigerator that the utility model second aspect embodiment provides, has the silencing apparatus that the utility model first aspect any embodiment provides, and therefore this refrigerator has whole beneficial effects of the silencing apparatus that above-mentioned any embodiment provides, and does not repeat them here.
In description of the present utility model, term " installation ", " being connected ", " connection " etc. all should be interpreted broadly, and such as " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a silencing apparatus, it is characterized in that, described silencing apparatus comprises convergent Inserting Tube and expansion lumen, the first end of described expansion lumen and the outer tube wall of described convergent Inserting Tube are tightly connected, second end of described expansion lumen is provided with opening, and the big opening end of described convergent Inserting Tube is positioned at outside described expansion lumen, the osculum end of described convergent Inserting Tube is positioned at described expansion lumen.
2. silencing apparatus according to claim 1, is characterized in that,
The cone angle of described convergent Inserting Tube is in the scope of 32 ° to 40 °.
3. silencing apparatus according to claim 2, is characterized in that,
The optimum value of the cone angle of described convergent Inserting Tube is 36 °.
4. silencing apparatus according to claim 1, is characterized in that,
The osculum end of described convergent Inserting Tube is connected with straight tube, and described straight tube is positioned at described expansion lumen.
5. the silencing apparatus according to any one of Claims 1-4, is characterized in that,
The tube wall of described expansion lumen is double layer construction, and the interlayer between described double layer construction is vacuum layer.
6. the silencing apparatus according to any one of Claims 1-4, is characterized in that,
Described convergent Inserting Tube is metal tube.
7. the silencing apparatus according to any one of Claims 1-4, is characterized in that,
Described expansion lumen is metal tube.
8. silencing apparatus according to claim 7, is characterized in that,
Described convergent Inserting Tube and described expansion lumen are by being welded to connect.
9. a refrigerator, is characterized in that, comprise compressor and silencing apparatus according to any one of claim 1 to 8, the suction tude of described compressor and/or outlet pipe are connected to described silencing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651517.7U CN204961216U (en) | 2015-08-21 | 2015-08-21 | Silencer and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651517.7U CN204961216U (en) | 2015-08-21 | 2015-08-21 | Silencer and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961216U true CN204961216U (en) | 2016-01-13 |
Family
ID=55056287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520651517.7U Expired - Fee Related CN204961216U (en) | 2015-08-21 | 2015-08-21 | Silencer and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089980A (en) * | 2015-08-21 | 2015-11-25 | 合肥华凌股份有限公司 | Silencer and refrigerator |
-
2015
- 2015-08-21 CN CN201520651517.7U patent/CN204961216U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089980A (en) * | 2015-08-21 | 2015-11-25 | 合肥华凌股份有限公司 | Silencer and refrigerator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20210821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |