CN205066119U - Reduce pressure fluctuation's silencer and have air conditioning system of this silencer - Google Patents
Reduce pressure fluctuation's silencer and have air conditioning system of this silencer Download PDFInfo
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- CN205066119U CN205066119U CN201520833754.5U CN201520833754U CN205066119U CN 205066119 U CN205066119 U CN 205066119U CN 201520833754 U CN201520833754 U CN 201520833754U CN 205066119 U CN205066119 U CN 205066119U
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- Prior art keywords
- silencer
- pressure fluctuation
- reduce
- pipeline section
- reducing pressure
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- Exhaust Silencers (AREA)
Abstract
The utility model provides a reduce pressure fluctuation's silencer and have air conditioning system of this silencer, its silencer include silencer main part (1), connect in entry pipeline section (2) of silencer main part (1) entrance, and connect in export pipeline section (3) in silencer main part (1) exit, wherein is in entry pipeline section (1) inner chamber is provided with perforated plate structure (4), the utility model discloses can reduce the pressure fluctuation who arouses because incidence wave and back wave superpose each other effectively, thereby improve air conditioning system's pressure fluctuation evidently and reduce the effect, can also reduce pipeline vibration and noise radiation effectively, pressure fluctuation reduces simultaneously owing to assaulting the pipeline elbow, components such as valve and the noise that arouses, the refrigerant transmission noise that reaches the indoor set by air condensing units has still been reduced in addition, make system's operation more stable, which effectively reduces energy consumption, energy -conserving mesh has been reached.
Description
Technical field
The utility model belongs to air-conditioning technical field, is specifically related to a kind ofly reduce the silencer of pressure fluctuation and have the air-conditioning system of this silencer.
Background technology
In existing air-conditioning system, due to the suction and discharge of compressor interval, the cold media gas of discharge will be caused to there is pressure fluctuation.Due to the existence of pressure fluctuation, the generation of vibration can be caused on the one hand to the effect of the part generation power such as bend pipe, valve class, and then produce noise radiation; System can be made to fluctuate on the other hand, system also can be caused to need to overcome resistance acting, thus additionally increase power, system effectiveness is significantly reduced.In order to overcome above-mentioned defect, therefore there is a kind of silencer in air-conditioning system of the prior art, it is the linkage section of bend pipe by employing setting at least partially, make hush tube can be longer and volume is larger than traditional muffler pipe like this, the resistance of the refrigerant flowing of discharging in blast pipe can be increased, the flowing velocity of refrigerant can be reduced thus, just effectively can reduce the pressure fluctuation of refrigerant.
But the generation of pressure fluctuation a big chunk degree causes because incidence wave heel-tap reflex ripple superposes mutually, can not effectively reduce the pressure fluctuation mutually being superposed by incidence wave and back wave and caused above by increasing the mode of duct length, thus cause the pressure fluctuation of final air-conditioning system to reduce effect and not obvious.
Therefore based on above-mentioned defect of the prior art, need research and design to go out a kind of silencer that can reduce pressure fluctuation, reduce the pressure fluctuation because incidence wave and back wave mutually superpose and bring.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome silencer of the prior art can not reduce pressure fluctuation because incidence wave and back wave mutually superpose and cause effectively, thus cause the pressure fluctuation of air-conditioning system to reduce the technical problem of DeGrain, thus provide a kind of silencer reducing pressure fluctuation.
A kind of silencer reducing pressure fluctuation of the present utility model, it outlet pipe section comprising muffler body, be connected to the entrance pipeline section of muffler body porch and be connected to muffler body exit, is wherein provided with AND DEWATERING FOR ORIFICE STRUCTURE at the inner chamber of described entrance pipeline section and/or outlet pipe section.
Preferably, described AND DEWATERING FOR ORIFICE STRUCTURE comprises at least one annular oriffice, and the external diameter of described annular oriffice is identical with described entrance pipeline section intracavity diameter or be slightly less than the intracavity diameter of entrance pipeline section.
Preferably, relational expression d/D=0.43 ~ 0.5 is met between the internal diameter d of described annular oriffice and its outer diameter D.
Preferably, relational expression d/D=0.46. is met between the internal diameter d of described annular oriffice and its outer diameter D
Preferably, the gauge h=3 ~ 5mm of described annular oriffice.
Preferably, the gauge h=4mm of described annular oriffice.
Preferably, described AND DEWATERING FOR ORIFICE STRUCTURE comprises the orifice plate with multiple hole of at least one.
Preferably, the edge of the endoporus described AND DEWATERING FOR ORIFICE STRUCTURE 4 opened does not have chamfering.
Preferably, described silencer is reactive muffler.
The utility model additionally provides a kind of air-conditioning system, and comprise off-premises station and indoor set, wherein off-premises station comprises compressor, after the gas vent of compressor, be wherein also provided with the silencer of aforesaid reduction pressure fluctuation.
A kind of silencer reducing pressure fluctuation that the utility model provides and the air-conditioning system with this silencer have following beneficial effect:
1. according to a kind of silencer reducing pressure fluctuation of the present utility model, effectively can reduce the pressure fluctuation because incidence wave and back wave mutually superpose and cause, thus the pressure fluctuation significantly improving air-conditioning system reduces effect.
2. according to a kind of silencer reducing pressure fluctuation of the present utility model, can effectively reduce pipeline vibration and noise radiation, reduce the noise caused due to elements such as pressure pulsation impact elbow of pipeline, valves simultaneously, also reduce the coolant transmission noise being reached indoor set by air-conditioner outdoor unit in addition, make system cloud gray model more stable, significantly reduce energy consumption, reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that a kind of silencer reducing pressure fluctuation of the present utility model is connected with compressor;
Fig. 2 is the Facad structure schematic diagram of the silencer in Fig. 1;
Fig. 3 is the top view of the silencer in Fig. 2;
Fig. 4 is the internal structure schematic diagram of the silencer in Fig. 2;
Fig. 5 is the close-up schematic view at the A position in Fig. 4
In figure, Reference numeral is expressed as:
1-muffler body, 2-entrance pipeline section, 3-outlet pipe section, 4-AND DEWATERING FOR ORIFICE STRUCTURE, 41-annular oriffice, 5-compressor.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting protection domain of the present utility model.
As Figure 1-4, the utility model provides a kind of silencer reducing pressure fluctuation, it outlet pipe section 3 comprising muffler body 1, be connected to the entrance pipeline section 2 between muffler body 1 porch and compressor 5 air exit and be connected to muffler body 1 exit, is wherein provided with AND DEWATERING FOR ORIFICE STRUCTURE 4 at the inner chamber of described entrance pipeline section 2 and/or outlet pipe section 3.By being provided with AND DEWATERING FOR ORIFICE STRUCTURE 4 at entrance pipeline section 1 inner chamber, incidence wave is penetrated from the hole of AND DEWATERING FOR ORIFICE STRUCTURE 4, block the most back wave reflected to form through tube wall, can effectively reduce back wave and enter muffler body, thus serve the situation preventing incidence wave and back wave from mutually superposing and occur, and then the pressure fluctuation significantly reduced because incidence wave and back wave mutually superpose and cause, thus the pressure fluctuation significantly improving air-conditioning system reduces effect.
Preferably, AND DEWATERING FOR ORIFICE STRUCTURE 4 is arranged on the inner chamber of the entrance pipeline section 2 of silencer.
Preferably, described AND DEWATERING FOR ORIFICE STRUCTURE 4 comprises at least one annular oriffice 41 (namely orifice plate only has 1 interstitial hole), and the external diameter of described annular oriffice 41 is identical with described entrance pipeline section 2 intracavity diameter or be slightly less than the intracavity diameter of entrance pipeline section 2.Orifice plate being chosen as loop configuration is carry out matched design according to the shape of entrance pipeline section 2, object AND DEWATERING FOR ORIFICE STRUCTURE 4 being chosen as at least one (or multiple) annular oriffice 41 is the multi-filtering in order to obtain back wave, enhances and eliminates the effect that back wave enters main body; The external diameter of annular oriffice 41 is set to identical with entrance pipeline section 2 intracavity diameter, because back wave is formed at the internal face of tube chamber often, therefore identical with pipeline section intracavity diameter orifice plate just can intercept back wave Backwards well, serve the effect of effectively filtering, being set to by orifice plate 41 external diameter more smaller than pipeline section 2 intracavity diameter is requirement in order to satisfied assembling, prevents orifice plate 41 from cannot load.
As shown in Figure 5, further, inventor finds, the reduction effect of pressure fluctuation is relevant with the ratio between the internal diameter d of described annular oriffice 41 and its outer diameter D.Preferably, relational expression d/D=0.43 ~ 0.5 is met.The selection of this number range has been through that great many of experiments and simulation draw, when the size of orifice plate meets this relational expression, effectively can carry out barrier effect to back wave and standing wave, thus effectively reduce advancing of back wave, thus effectively reduce pressure fluctuation.
Preferably, relational expression d/D=0.43 is met between the internal diameter d of described annular oriffice 41 and its outer diameter D.
Preferably, relational expression d/D=0.46 is met between the internal diameter d of described annular oriffice 41 and its outer diameter D.
Preferably, relational expression d/D=0.5 is met between the internal diameter d of described annular oriffice 41 and its outer diameter D.
Further, inventor finds, the reduction effect of pressure fluctuation is also relevant with the gauge of described annular oriffice 41.Preferably, h=3 ~ 5mm.The gauge of orifice plate 41 is selected within the scope of 3 ~ 5mm, also great many of experiments has been through and simulation draws, when the thickness of orifice plate is in above-mentioned scope, sound wave can be ensured after compressor outlet spreads out of through orifice plate 41 areflexia, there will not be incident harmonic wave to superpose with reflected harmonics thus make the gas column generation forced vibration in pipeline, sound wave in pipeline only being propagated with row waveshape, exists without standing wave, effectively reduce back wave, thus effectively reduce pressure fluctuation.
Preferably, the gauge h=3mm of described annular oriffice.
Preferably, the gauge h=4mm of described annular oriffice.
Preferably, the gauge h=5mm of described annular oriffice.
Preferably, described AND DEWATERING FOR ORIFICE STRUCTURE 4 comprises the orifice plate with multiple hole of at least one.Orifice plate arranges multiple hole, namely two or more hole is set, also can reach reduce back wave pass through hole, thus significantly reduce incidence, back wave superposes the pressure fluctuation brought, and finally significantly reduces noise.
Preferably, the edge of the endoporus described AND DEWATERING FOR ORIFICE STRUCTURE 4 opened does not have chamfering.The object not arranging chamfering is to prevent incidence wave when passing the hole in AND DEWATERING FOR ORIFICE STRUCTURE 4 because chamfering can produce reflection, and therefore can produce back wave, incidence wave superposes with back wave just can increase pressure fluctuation.Therefore chamfering is not set, ensure that incidence wave directly through orifice plate, the effect of any back wave can not be brought, thus more significantly reduce noise.
The utility model is by providing holes plate structure and be set in above-mentioned scope by its inside and outside footpath and/or thickness, can effectively prevent pipeline gas column forcing frequency and pipeline structure admittedly frequently consistent, thus there is the phenomenon of strong resonance, effectively prevent the generation of pipeline damage situations further; Arrange the inside and outside footpath of orifice plate 41 and/or thickness be in above-mentioned scope, simultaneously reactive muffler eliminated with the principle of interference that superposes of incident acoustic wave by reflective sound wave for emphasis frequency (namely larger to loine pressure pulsations affect ripple), prevent from being passed to indoor set by tube connector thus the interior machine sound quality of impact.
The utility model will have AND DEWATERING FOR ORIFICE STRUCTURE 4 with silencer (preferred reactive muffler) Combination application to air-conditioning system, as shown in Figure 1, not only can reduce the pipeline vibration radiated noise that off-premises station produces because of pressure fluctuation, the noise caused due to elements such as pressure pulsation impact elbow of pipeline, valves can also be reduced simultaneously, the coolant transmission noise being reached indoor set by air-conditioner outdoor unit can also be reduced in addition.Structure, cost are simple, and effect is remarkable.
The utility model additionally provides a kind of air-conditioning system, comprises off-premises station and indoor set, and wherein off-premises station comprises compressor 5, after the air exit of compressor 5, be wherein also provided with the silencer of aforesaid reduction pressure fluctuation.By arranging the silencer with AND DEWATERING FOR ORIFICE STRUCTURE after compressor air-discharging outlet, effectively can reduce the pressure fluctuation because incidence wave and back wave mutually superpose and cause, thus the pressure fluctuation significantly improving air-conditioning system reduces effect, can also effectively reduce pipeline vibration and noise radiation, reduce due to pressure pulsation impact elbow of pipeline simultaneously, the elements such as valve and the noise caused, also reduce the coolant transmission noise being reached indoor set by air-conditioner outdoor unit in addition, whole air-conditioning system is run more stable, significantly reduce energy consumption, reach energy-conservation object.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. one kind is reduced the silencer of pressure fluctuation, it outlet pipe section (3) comprising muffler body (1), be connected to the entrance pipeline section (2) of muffler body (1) porch and be connected to muffler body (1) exit, is characterized in that: the inner chamber of described entrance pipeline section (2) and/or outlet pipe section (3) is provided with AND DEWATERING FOR ORIFICE STRUCTURE (4).
2. a kind of silencer reducing pressure fluctuation according to claim 1, it is characterized in that: described AND DEWATERING FOR ORIFICE STRUCTURE (4) comprises at least one annular oriffice (41), the external diameter of described annular oriffice (41) is identical with described entrance pipeline section (2) intracavity diameter or be slightly less than the intracavity diameter of entrance pipeline section (2).
3. a kind of silencer reducing pressure fluctuation according to claim 2, is characterized in that: meet relational expression d/D=0.43 ~ 0.5 between the internal diameter d of described annular oriffice (41) and its outer diameter D.
4. a kind of silencer reducing pressure fluctuation according to claim 3, is characterized in that: meet relational expression d/D=0.46 between the internal diameter d of described annular oriffice 41 and its outer diameter D.
5. according to a kind of silencer reducing pressure fluctuation one of claim 2-4 Suo Shu, it is characterized in that: the gauge h=3 ~ 5mm of described annular oriffice 41.
6. a kind of silencer reducing pressure fluctuation according to claim 5, is characterized in that: the gauge h=4mm of described annular oriffice.
7. a kind of silencer reducing pressure fluctuation according to claim 1, is characterized in that: described AND DEWATERING FOR ORIFICE STRUCTURE (4) comprises at least one the orifice plate with multiple hole.
8. a kind of silencer reducing pressure fluctuation according to claim 1 or 7, is characterized in that: the edge of the endoporus that described AND DEWATERING FOR ORIFICE STRUCTURE (4) is opened does not have chamfering.
9. a kind of silencer reducing pressure fluctuation according to claim 1 or 7, is characterized in that: described silencer is reactive muffler.
10. an air-conditioning system, comprise off-premises station and indoor set, wherein off-premises station comprises compressor, it is characterized in that: after the gas vent of compressor, be also provided with the silencer reducing pressure fluctuation as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833754.5U CN205066119U (en) | 2015-10-23 | 2015-10-23 | Reduce pressure fluctuation's silencer and have air conditioning system of this silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833754.5U CN205066119U (en) | 2015-10-23 | 2015-10-23 | Reduce pressure fluctuation's silencer and have air conditioning system of this silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205066119U true CN205066119U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520833754.5U Expired - Fee Related CN205066119U (en) | 2015-10-23 | 2015-10-23 | Reduce pressure fluctuation's silencer and have air conditioning system of this silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205066119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107764A (en) * | 2019-06-20 | 2019-08-09 | 中国汽车工程研究院股份有限公司 | In-vehicle sound quality caused by automobile canister improves system |
| CN110553881A (en) * | 2019-09-10 | 2019-12-10 | 深圳国技环保技术有限公司 | Gas pretreatment method and device |
-
2015
- 2015-10-23 CN CN201520833754.5U patent/CN205066119U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107764A (en) * | 2019-06-20 | 2019-08-09 | 中国汽车工程研究院股份有限公司 | In-vehicle sound quality caused by automobile canister improves system |
| CN110553881A (en) * | 2019-09-10 | 2019-12-10 | 深圳国技环保技术有限公司 | Gas pretreatment method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160302 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |