CN1188652C - 换热器的致冷剂管 - Google Patents
换热器的致冷剂管 Download PDFInfo
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- CN1188652C CN1188652C CNB011200235A CN01120023A CN1188652C CN 1188652 C CN1188652 C CN 1188652C CN B011200235 A CNB011200235 A CN B011200235A CN 01120023 A CN01120023 A CN 01120023A CN 1188652 C CN1188652 C CN 1188652C
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- refrigerant tube
- refrigerant
- heat exchanger
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 92
- 238000001816 cooling Methods 0.000 claims abstract description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本发明提供了一种用于换热器的致冷剂管,这种致冷剂管借助于缩小致冷剂管的外径,同时在致冷剂管的内圆周表面上形成了许多突出的,最适合于外径缩小了的致冷剂管的翅片,使得换热器具有细直径管所具有的成本低,体积小,空气一侧的压力损失减少等优点之外,还由于传热效率提高而极大地提高了换热器的传热性能。本发明的与许多冷却翅片结合在一起,在管内部流动的致冷剂与周围的空气之间进行热交换的换热器的致冷剂管中,上述致冷剂管的外径在5.3mm以下,并在其内圆周表面上设有许多突出的螺旋状的翅片。
Description
发明领域
本发明涉及换热器的致冷剂管,特别是涉及在管的内圆周表面上突出许多个螺旋状的翅片,在致冷剂流过的时候进行热量交换用的空调器中使用的换热器中的致冷剂管。
背景技术
一般空调器用的换热器如图1所示,其构成为,在其内部有能让致冷剂流动的致冷剂管11,以及上述致冷剂管11以贯穿状态安装在上面的许多冷却翅片3,流过上述致冷剂管11的致冷剂与致冷剂管11周围的空气进行热交换。
以往的用于换热器的致冷剂管11如图2和图3所示,其外径为7或9mm,在其内圆周表面上突出许多翅片13,在上述各翅片13之间分别设有凹槽,借助于上述翅片13和凹槽15,增大了致冷剂管11内部的传热面积,搅乱了温度分界层,促进了流过致冷剂管11的致冷剂与致冷剂管11周围的空气之间的热交换。
即,借助于上述翅片13和凹槽15,与液体状态或蒸汽状态的再加接触的致冷剂管的面积增大了,即使是流速低的致冷剂,也由于毛细管作用和剪切应力而增强了在管内形成的液膜的紊流的强度,而且,借助于上述翅片13的片数和形状,可以改变致冷剂与管内壁表面的接触面积,液膜的紊流强度,以及液膜的膜厚。
因此,在制造上述致冷剂管11时,必须与上述翅片13的用途相配合,来选择最佳的翅片个数,翅片的高度,翅片的顶角度,以及翅片的螺旋角等的加工参数。
由于对以上所述的翅片的形状还没有定型的设计方式,所以实际上各种参数的最佳组合要根据实验来确定。
换言之,上述翅片要随着各种加工参数的变化进行试验,从致冷剂的量和致冷剂的种类,以及外部环境等等各种换热器的使用个件出发,寻找出最佳的组合,来进行设计。
用这种方式设计出来的现有的用于换热器的致冷剂管11,当其外径为7mm或9mm,管壁厚度t1为0.27mm时,突出于其内圆周表面的翅片13为60个,高度H1为0.15mm,顶角β1为56°,螺旋角α1为18°。
然而,近来为了降低换热器的制造成本和减少空气侧的压力损失,出现了必须缩小上述致冷剂管11外径的趋势。
可是,在缩小上述致冷剂管11的外径时,如果仍沿用原来的致冷剂管11中的翅片13的形状,那么,不仅会使上述致冷剂的压力损失增大,热交换的效率降低,还会产生超出可能加工的翅片尺寸的范围,使得致冷剂管的制造变得很困难这样的问题。
此外,以上所述的以往的换热器上使用的致冷剂管11,在设计时没有考虑到把原来的致冷剂换成代用致冷剂的情况,如果改变致冷剂的种类,就会使致冷剂的压力损失和传热系数发生变化,产生不能充分发挥其性能的问题。
因此,在缩小上述致冷剂管的外径的同时,应该开发出这样的致冷剂管,它能借助于在致冷剂管上设置最佳的翅片形状和个数,在减少致冷剂的压力损失的同时,提高其代表传热性能的传热系数。
发明概述
本发明就是为解决上述问题而提出来的,其目的是提供这样一种致冷剂管,这种致冷剂管在缩小外径的同时,还借助于在外径缩小了的致冷剂管上以最适当的方式在致冷剂管的内表面上形成突出的翅片,使得直径较细的致冷剂管具有能降低换热器的成本和使换热器小型化的优点,同时还能提高传热效率,达到最高的换热性能。
为达到上述目的,在本发明的与许多冷却翅片结合在一起的,在致冷剂与空气之间进行热交换的换热器的致冷剂管中,上述致冷剂管的外径在5.3mm以下,并在其内圆周表面上设有许多突出的螺旋状的翅片。
此外,按照本发明的致冷剂管的管壁厚度为0.16~0.2mm。
此外,按照本发明的致冷剂管,突出在其内圆周表面上的翅片的个数为40~50个,翅片的螺旋角为6~20°,翅片的高度为0.15~0.18mm,翅片的顶角为38~42°。
附图说明
下面,参照附图详细描述本发明的实施例。附图中:
图1是普通换热器的立体图;
图2是按照现有技术的换热器的致冷剂管的构造的局部切口视图;
图3是按照现有技术的换热器的致冷剂管的构造放大后的局部断面图;
图4是按照本发明实施例的换热器的致冷剂管构造的局部切口视图;
图5是按照本发明实施例的换热器的致冷剂管的局部断面图。
发明实施形式
如图4和图5所示,在本发明的换热器的致冷剂管中,在以贯穿的状态安装着许多冷却翅片(图中未示出)上的致冷剂管中,上述致冷剂管51的外径在5.3mm以下,在其内圆周表面上突出许多翅片53,在上述各翅片之间分别形成凹槽55。
并且,上述致冷剂管51的管壁厚度t为0.16~0.2mm,设置在致冷剂管51的内圆周表面上的上述翅片53的个数为40~50个,螺旋角(α)为6~20°,高度(H)为0.15~0.18mm,顶角(β)为38~42°。
上述翅片的螺旋角α以在6~10°,或者16~20°为最理想。
在按照本发明的换热器中,与使用外径为7mm或9mm的致冷剂管的换热器相比较,由于致冷剂管51的外径缩小为5.3mm,在同样的致冷剂流量下,由于致冷剂一侧的压力损失增加了,而且管壁的厚度t减小了,所以在设计适合于这种外径缩小了的致冷剂管的翅片53时,考虑了上述致冷剂一侧的压力损失和管壁厚度的减小。根据实验的结果得知,上述致冷剂管51的致冷剂一侧的压力损失减少了,而热交换的性能提高了,而且能够在制造致冷剂管51时控制翅片的公差。
此外,在与上述致冷剂管51构造相同的状态下,即使把原来的致冷剂改变为替代的致冷剂,由于其压力损失和传热系数都改变了,也可以考虑使用替代的致冷剂来设计上述翅片53的形状。
如上所述,按照本发明的换热器的致冷剂管,致冷剂管的外径缩小了,在外径缩小后的致冷剂管上形成适当的翅片,具有降低换热器的制造成本,使换热器小型化,以及减少空气一侧的压力损失等细直径管的全部优点,因而能借助于上述致冷剂管提高传热的效率,最大限度地提高热交换的性能。
特别是,按照本发明的致冷剂管,由于设计了适合于细直径管的翅片,所以借助于上述翅片,在使致冷剂一侧的压力损失最小的同时,还使得制造致冷剂管时的公差控制更容易了。
Claims (4)
1.一种与许多冷却翅片结合在一起,在管内部流动的致冷剂与周围的空气之间进行热交换的换热器的致冷剂管,其特征在于,上述致冷剂管的外径在5.3mm以下,并在其内圆周表面上设有多条突出的螺旋状的翅片,翅片的个数为40~50个,翅片高度为0.15~0.18mm,翅片顶角为38~42°,翅片螺旋角为6~20°。
2.如权利要求1所述的换热器的致冷剂管,其特征在于,上述致冷剂管的管壁厚度为0.16~0.2mm。
3.如权利要求1所述的换热器的致冷剂管,其特征在于,上述螺旋角为6~10°。
4.如权利要求1所述的换热器的致冷剂管,其特征在于,上述螺旋角为16~20°。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0038501A KR100382341B1 (ko) | 2000-07-06 | 2000-07-06 | 세경관형 열교환기 |
KR38501/2000 | 2000-07-06 |
Publications (2)
Publication Number | Publication Date |
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CN1332356A CN1332356A (zh) | 2002-01-23 |
CN1188652C true CN1188652C (zh) | 2005-02-09 |
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Application Number | Title | Priority Date | Filing Date |
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CNB011200235A Expired - Fee Related CN1188652C (zh) | 2000-07-06 | 2001-07-05 | 换热器的致冷剂管 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020011332A1 (zh) |
JP (2) | JP2002062077A (zh) |
KR (1) | KR100382341B1 (zh) |
CN (1) | CN1188652C (zh) |
ES (1) | ES2228189A1 (zh) |
IT (1) | ITRM20010384A1 (zh) |
TW (1) | TW526322B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100885499B1 (ko) * | 2002-07-15 | 2009-02-26 | 한라공조주식회사 | 열교환기 |
US10683865B2 (en) | 2006-02-14 | 2020-06-16 | Air Squared, Inc. | Scroll type device incorporating spinning or co-rotating scrolls |
US11047389B2 (en) | 2010-04-16 | 2021-06-29 | Air Squared, Inc. | Multi-stage scroll vacuum pumps and related scroll devices |
US20130232975A1 (en) | 2011-08-09 | 2013-09-12 | Robert W. Saffer | Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle |
US20140224464A1 (en) * | 2012-06-05 | 2014-08-14 | Golden Dragon Precise Copper Tube Group Inc. | Enhanced condensation heat-transfer tube |
WO2014175928A2 (en) * | 2013-04-23 | 2014-10-30 | Air Squared, Inc. | Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycle |
US10508543B2 (en) | 2015-05-07 | 2019-12-17 | Air Squared, Inc. | Scroll device having a pressure plate |
US10865793B2 (en) | 2016-12-06 | 2020-12-15 | Air Squared, Inc. | Scroll type device having liquid cooling through idler shafts |
CN111886459A (zh) * | 2018-03-20 | 2020-11-03 | 三菱电机株式会社 | 热交换器、制冷循环装置和空调装置 |
CN112119219B (zh) | 2018-05-04 | 2022-09-27 | 空气平方公司 | 固定和动涡旋压缩机、膨胀机或真空泵的液体冷却 |
US11067080B2 (en) | 2018-07-17 | 2021-07-20 | Air Squared, Inc. | Low cost scroll compressor or vacuum pump |
US20200025199A1 (en) | 2018-07-17 | 2020-01-23 | Air Squared, Inc. | Dual drive co-rotating spinning scroll compressor or expander |
US11530703B2 (en) | 2018-07-18 | 2022-12-20 | Air Squared, Inc. | Orbiting scroll device lubrication |
US11473572B2 (en) | 2019-06-25 | 2022-10-18 | Air Squared, Inc. | Aftercooler for cooling compressed working fluid |
CN111141068A (zh) * | 2020-02-21 | 2020-05-12 | 顺德职业技术学院 | 变管径复合齿形内螺纹强化管冷凝器 |
CN111156745A (zh) * | 2020-02-21 | 2020-05-15 | 顺德职业技术学院 | 变管径复合齿形内螺纹强化管蒸发器 |
US11898557B2 (en) | 2020-11-30 | 2024-02-13 | Air Squared, Inc. | Liquid cooling of a scroll type compressor with liquid supply through the crankshaft |
US11885328B2 (en) | 2021-07-19 | 2024-01-30 | Air Squared, Inc. | Scroll device with an integrated cooling loop |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0723115B2 (ja) * | 1986-07-24 | 1995-03-15 | 海洋科学技術センタ− | 海底物体の揚収装置 |
JPH01299707A (ja) * | 1988-05-27 | 1989-12-04 | Sumitomo Light Metal Ind Ltd | 細径薄肉伝熱管の製造方法 |
MY110330A (en) * | 1991-02-13 | 1998-04-30 | Furukawa Electric Co Ltd | Heat-transfer small size tube and method of manufacturing the same |
JPH08174044A (ja) * | 1994-12-28 | 1996-07-09 | Kobe Steel Ltd | 細径内面溝付き伝熱管の製造方法 |
JPH09101093A (ja) * | 1995-10-02 | 1997-04-15 | Mitsubishi Shindoh Co Ltd | 内面溝付伝熱管 |
-
2000
- 2000-07-06 KR KR10-2000-0038501A patent/KR100382341B1/ko not_active IP Right Cessation
-
2001
- 2001-07-03 JP JP2001202455A patent/JP2002062077A/ja active Pending
- 2001-07-03 IT IT2001RM000384A patent/ITRM20010384A1/it unknown
- 2001-07-05 ES ES200101568A patent/ES2228189A1/es active Pending
- 2001-07-05 CN CNB011200235A patent/CN1188652C/zh not_active Expired - Fee Related
- 2001-07-06 US US09/899,101 patent/US20020011332A1/en not_active Abandoned
- 2001-07-06 TW TW090116555A patent/TW526322B/zh not_active IP Right Cessation
-
2004
- 2004-11-22 JP JP2004006819U patent/JP3110197U/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITRM20010384A0 (it) | 2001-07-03 |
KR100382341B1 (ko) | 2003-05-01 |
KR20020004526A (ko) | 2002-01-16 |
US20020011332A1 (en) | 2002-01-31 |
TW526322B (en) | 2003-04-01 |
CN1332356A (zh) | 2002-01-23 |
JP2002062077A (ja) | 2002-02-28 |
ES2228189A1 (es) | 2005-04-01 |
ITRM20010384A1 (it) | 2002-01-07 |
JP3110197U (ja) | 2005-06-16 |
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