CN103629867B - A kind of compressor piping system and refrigerating plant - Google Patents
A kind of compressor piping system and refrigerating plant Download PDFInfo
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- CN103629867B CN103629867B CN201210295889.1A CN201210295889A CN103629867B CN 103629867 B CN103629867 B CN 103629867B CN 201210295889 A CN201210295889 A CN 201210295889A CN 103629867 B CN103629867 B CN 103629867B
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Abstract
The present invention is applicable to refrigeration technology field, provide a kind of compressor piping system and refrigerating plant, described compressor piping system comprises solenoid directional control valve and accesses the muffler of described solenoid directional control valve, described muffler wherein two pipeline sections spatially cross-like walk pipe.The present invention make muffler wherein two pipeline sections spatially cross-like walk pipe, balance the tangential vibrations that compressor causes due to rotor quality imbalance on the one hand, also improve the cold-producing medium air column resonance that pulsating force causes on the other hand, thus avoid the frame for movement resonance of each operating frequency, each pipeline is in operation can smooth working, the vibration produced is little, and then improves pipeline surface stress distribution situation.Thus this compressor piping system can be applicable to various refrigerating plant, as refrigerator, air-conditioner etc., and especially transducer air conditioning.
Description
Technical field
The invention belongs to refrigeration technology field, particularly relate to a kind of compressor piping system and refrigerating plant.
Background technology
Single cylinder rotor compressor because Energy Efficiency Ratio is high, low cost of manufacture and be widely used in domestic air conditioner, transducer air conditioning is no exception.But when high-speed cruising, its rotor quality imbalance causes dynamic balance poor, easily causes compressor body to vibrate, particularly tangential vibrations passes to muffler and causes compressor piping system vibration.And, single cylinder rotor compressor air-breathing, exhaust are in intermittent and periodic feature, make tube refrigerant generation pressure fluctuation, especially more obvious in the pulsating force of the situation periodical of high compression ratio, make the pressure of air-flow in pipe and speed also present cyclically-varying.When the intrinsic frequency compressing wave frequency and fluid oscillation system close or equal time, then produce air column resonance.In addition, transducer air conditioning running frequency point is more, and compressor and piping system thereof have a series of intrinsic frequency, when the stimulating frequency of compressor close with certain rank intrinsic frequency or consistent time, system very easily produces resonance on this order frequency point, produces strong mechanical oscillation response.As can be seen here, designing the piping system matched with domestic variable frequency air-conditioning single cylinder rotor compressor is the key of dealing with problems.If compressor piping system is unreasonable, is easy to cause air-conditioner vibration values excessive, not only produces larger noise, affect the use of user, and easily occur disconnected pipe, reduce the service life of air-conditioner.
Household inverter air conditioner is batch production product, has strict industry limit value to the vibration values of its compressor piping system.In existing transducer air conditioning compressor piping system architecture, in order to meet professional standard, usually take following simple measures:
1, the muffler connected at compressor or blast pipe arrange multiple longer U-shaped bend loss, and for still failing to meet, vibration standard requires, also will install anti-vibration rubber 2 or balancing weight 1 etc. additional and carry out vibration damping on pipeline, and occur acute angle bend pipe 3, as shown in Figure 1;
2, on piping system, configure silencer or fluid reservoir to reduce pressure fluctuation, and then reach the object of vibration damping.
But, consumptive material is too much on the one hand in these measures, cause the cost of raw material, manufacture assembly cost increase, the anti-vibration rubber configured on the other hand, balancing weight, silencer or fluid reservoir etc. add copper pipe load, in the such as air conditioner reliability checking such as drop test, the test of long fortune, easily occur that the serious or stress of matched tube structure distortion such as to concentrate at the defective phenomenon, be difficult to ensure stablizing of the optimum and actual motion of design result, have impact on the overall performance of air-conditioner.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of compressor piping system, is intended to the problem solving existing system effectiveness in vibration suppression difference.
The embodiment of the present invention is achieved in that a kind of compressor piping system, comprises solenoid directional control valve and accesses the muffler of described solenoid directional control valve, described muffler wherein two pipeline sections spatially cross-like walk pipe.
Another object of the embodiment of the present invention is to provide a kind of refrigerating plant, and described refrigerating plant adopts above-mentioned compressor piping system.
The embodiment of the present invention make muffler wherein two pipeline sections spatially cross-like walk pipe, balance the tangential vibrations that compressor causes due to rotor quality imbalance on the one hand, also improve the cold-producing medium air column resonance that pulsating force causes on the other hand, thus avoid the frame for movement resonance of each operating frequency, each pipeline is in operation can smooth working, the vibration produced is little, and then improves pipeline surface stress distribution situation.Thus this compressor piping system can be applicable to various refrigerating plant, as refrigerator, air-conditioner etc., and especially transducer air conditioning.
Accompanying drawing explanation
Fig. 1 is the structural representation of the compressor piping system that prior art provides;
Fig. 2 is the structural representation of the compressor piping system that the embodiment of the present invention one provides;
Fig. 3 is the top view of the compressor piping system that the embodiment of the present invention one provides;
Fig. 4 is the structural representation of the compressor piping system that the embodiment of the present invention two provides;
Fig. 5 is the structural representation of the compressor piping system that the embodiment of the present invention three provides;
Fig. 6 is the structural representation of the compressor piping system that the embodiment of the present invention four provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention make muffler wherein two pipeline sections spatially cross-like walk pipe, balance the tangential vibrations that compressor causes due to rotor quality imbalance on the one hand, also improve the cold-producing medium air column resonance that pulsating force causes on the other hand, thus avoid the frame for movement resonance of each operating frequency, each pipeline is in operation can smooth working, the vibration produced is little, and then improves pipeline surface stress distribution situation.
For transducer air conditioning compressor piping system, realization of the present invention is described in detail below.
embodiment one
As shown in Figure 2, the compressor piping system that the embodiment of the present invention provides comprises solenoid directional control valve 4 and accesses the muffler 8 of described solenoid directional control valve 4, this make described muffler 8 wherein two pipeline sections spatially cross-like walk pipe.Design like this, balance the tangential vibrations that compressor causes due to rotor quality imbalance on the one hand, also improve the cold-producing medium air column resonance that pulsating force causes on the other hand, thus avoid the frame for movement resonance of each operating frequency, each pipeline is in operation can smooth working, the vibration produced is little, and then improves pipeline surface stress distribution situation.Meanwhile, avoid in existing pipe arrangement and install balancing weight, anti-vibration rubber etc. additional, reduce air-conditioner in material, making and assembly cost.
Particularly, described muffler 8 comprises the first pipeline section a, the second pipeline section b, the 3rd pipeline section i, the 4th pipeline section h, " U " type pipeline section and the inverse u shape pipeline section that sequentially connect, and the pipeline section that described spatially cross-like walks pipe is respectively the 3rd pipeline section i and inverse u shape pipeline section.It should be noted that now described 3rd pipeline section i is through the plane at inverse u shape pipeline section place.Make so described 3rd pipeline section i all with inverse u shape pipeline section each sub-pipeline section spatially cross-like walk to manage, effectiveness in vibration suppression is better, and noise is low.
Wherein, described first pipe a section is vertically connected at solenoid directional control valve 4, and described 3rd pipeline section i is straight length; Described second pipeline section b and the 4th pipeline section h is circular arc pipeline section, and tangent with the pipeline section be connected respectively, so avoids in existing pipe arrangement and occurs acute angle bend pipe.Experiment shows, in c, j, h place, muffler curved position (curved position normally stress raiser) layout paste the foil gauge in x, y direction respectively, utilize stress-strain test to equip to test, result (table 1) is all less than industry limit value (being less than 15MPa), stress distribution is reasonable, and pipeline reliability is high.Certainly, described " U " type pipeline section and inverse u shape pipeline section all can by semi arch pipe and straight tube be tangent is formed by connecting.
Table 1 muffler stress-strain test result
Above-mentioned inverse u shape pipe one end is connected to the gas returning port of fluid reservoir 6, and the other end walks pipe near compressor body 7.Walk pipe so more reasonable, pipeline reliability is higher.As shown in Figure 3, little compared with inverse u shape pipe of the caliber of described " U " type pipe, and both place Plane intersects θ in an acute angle.This acute angle theta is determined by the spacing of solenoid directional control valve 4 relative to the position of compressor body 7 and " U " type pipe and compressor body 7.
As the application of household inverter air conditioner compressor of outdoor unit piping system, muffler 8 is connected to the gas returning port of compressor liquid storage can 6, blast pipe 5 is connected to the exhaust outlet of compressor body 7, low pressure valve adapter 10 is connected to low pressure valve interface, condenser adapter 9 is connected to condenser input port, and blast pipe 5 described herein is distributed in compressor body 7 heteropleural with muffler 8.Herein by running under metric system thermal condition, utilize the maximum displacement value that B & K spectrum analyzer measurement muffler 8 vibrates under different running frequency, test result (table 2) all meets industry restriction and requires that (when running frequency is less than or equal to 50Hz, vibration maximum displacement value is less than 500um; When running frequency is greater than 50Hz, vibration maximum displacement value is less than 250um), pipeline stable working, vibrates little.
Table 2 muffler Results of Vibration
embodiment two
As shown in Figure 4, the present embodiment and embodiment one unlike, muffler 8 and blast pipe 5 are distributed in compressor body 7 homonymy.
embodiment three
As shown in Figure 5, the present embodiment and embodiment one unlike " U " type pipeline section of, described muffler 8 by multi-section circular arc pipe and straight tube is tangent is formed by connecting, as by two sections of arc tubes m, p and three sections of straight tubes e, n, g are tangent is formed by connecting.
embodiment four
As shown in Figure 6, the present embodiment and embodiment one unlike, described muffler 8 is welded by more than two sections copper pipes, as being welded by two sections of copper pipes q, r, is so convenient to processing and fabricating and assemble welding.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a compressor piping system, comprises solenoid directional control valve and accesses the muffler of described solenoid directional control valve, it is characterized in that, described muffler wherein two pipeline sections spatially cross-like walk pipe;
Described muffler comprises the first pipeline section, the second pipeline section, the 3rd pipeline section, the 4th pipeline section, " U " type pipeline section and the inverse u shape pipeline section that sequentially connect, and the pipeline section that described spatially cross-like walks pipe is respectively the 3rd pipeline section and inverse u shape pipeline section.
2. compressor piping system as claimed in claim 1, it is characterized in that, described first pipeline section is vertically connected at solenoid directional control valve, and described 3rd pipeline section is straight length; Described second pipeline section and the 4th pipeline section are circular arc pipeline section, and tangent with the pipeline section be connected respectively.
3. compressor piping system as claimed in claim 2, it is characterized in that, described inverse u shape pipe one end is connected to the gas returning port of fluid reservoir, and the other end walks pipe near compressor body.
4. the compressor piping system as described in claim 1,2 or 3, is characterized in that, little compared with inverse u shape pipe of the caliber of described " U " type pipe, and both place Plane intersects are in an acute angle.
5. the compressor piping system as described in claim 1,2 or 3, is characterized in that, described " U " type pipeline section and inverse u shape pipeline section are by semi arch pipe and straight tube is tangent is formed by connecting, or by multi-section circular arc pipe and straight tube is tangent is formed by connecting.
6. the compressor piping system as described in claim 1,2 or 3, it is characterized in that, described compressor piping system also comprise access described solenoid directional control valve blast pipe, low pressure valve adapter and condenser adapter, described blast pipe and muffler are distributed in compressor body homonymy or heteropleural.
7. the compressor piping system according to any one of claims 1 to 3, is characterized in that, described muffler is formed by one section of copper pipe integral manufacturing, or is welded by more than two sections copper pipes.
8. a refrigerating plant, is characterized in that, described refrigerating plant adopts the compressor piping system according to any one of claim 1 ~ 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210295889.1A CN103629867B (en) | 2012-08-20 | 2012-08-20 | A kind of compressor piping system and refrigerating plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210295889.1A CN103629867B (en) | 2012-08-20 | 2012-08-20 | A kind of compressor piping system and refrigerating plant |
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| Publication Number | Publication Date |
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| CN103629867A CN103629867A (en) | 2014-03-12 |
| CN103629867B true CN103629867B (en) | 2015-12-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482641B (en) * | 2014-12-19 | 2019-04-12 | 珠海格力电器股份有限公司 | A kind of exhaust pipe assembly, exhaust system and domestic dehumidifying machine |
| CN106152389B (en) * | 2015-04-22 | 2019-04-16 | Tcl空调器(中山)有限公司 | Air-conditioner control method, apparatus and system |
| CN105627474A (en) * | 2016-03-02 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
| CN106121965B (en) * | 2016-06-22 | 2019-02-12 | 青岛海信日立空调系统有限公司 | Compressor air suction pipeline component and air-conditioner outdoor unit |
| CN107883626A (en) * | 2017-11-27 | 2018-04-06 | 珠海格力电器股份有限公司 | Coolant circulating system and its control method |
| CN109373462A (en) * | 2018-12-03 | 2019-02-22 | 珠海格力电器股份有限公司 | Air-conditioner outdoor unit, compressor piping system and compressor return air pipe |
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| JPH10220820A (en) * | 1997-01-31 | 1998-08-21 | Daikin Ind Ltd | Air conditioner |
| KR20010029035A (en) * | 1999-09-28 | 2001-04-06 | 구자홍 | Structure for reduction of vibration and noise in air-conditioner |
| JP2003004339A (en) * | 2001-06-20 | 2003-01-08 | Fujitsu General Ltd | Piping structure of freezing apparatus |
| JP2005180829A (en) * | 2003-12-19 | 2005-07-07 | Toshiba Kyaria Kk | Refrigerating cycle device |
| CN1302244C (en) * | 2004-02-25 | 2007-02-28 | Lg电子株式会社 | Pipe structure of outdoor unit in air conditioner |
| CN100427762C (en) * | 2004-02-16 | 2008-10-22 | Lg电子株式会社 | Absorption pipe structure of compressor |
| CN101298953A (en) * | 2008-06-24 | 2008-11-05 | 广东美的电器股份有限公司 | Piping for air conditioner outdoor machine |
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2012
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Patent Citations (8)
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| JPH09144661A (en) * | 1995-11-27 | 1997-06-03 | Mitsubishi Heavy Ind Ltd | Vibration damping device for compressor piping |
| JPH10220820A (en) * | 1997-01-31 | 1998-08-21 | Daikin Ind Ltd | Air conditioner |
| KR20010029035A (en) * | 1999-09-28 | 2001-04-06 | 구자홍 | Structure for reduction of vibration and noise in air-conditioner |
| JP2003004339A (en) * | 2001-06-20 | 2003-01-08 | Fujitsu General Ltd | Piping structure of freezing apparatus |
| JP2005180829A (en) * | 2003-12-19 | 2005-07-07 | Toshiba Kyaria Kk | Refrigerating cycle device |
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| CN103629867A (en) | 2014-03-12 |
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