CN102460056A - 管件以及由管件构成的毛细管网 - Google Patents

管件以及由管件构成的毛细管网 Download PDF

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CN102460056A
CN102460056A CN2010800249512A CN201080024951A CN102460056A CN 102460056 A CN102460056 A CN 102460056A CN 2010800249512 A CN2010800249512 A CN 2010800249512A CN 201080024951 A CN201080024951 A CN 201080024951A CN 102460056 A CN102460056 A CN 102460056A
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pipe fitting
arm
capillary
diameter
charge
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赫尔曼·察伦
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GEOCLIMADESIGN AG
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    • 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
    • F28D1/053—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 the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
    • F24D3/122—Details
    • F24D3/125—Hydraulic pipe connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
    • F24D3/14—Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor
    • F24D3/146—Tubes specially adapted for underfloor heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/73—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits being of plastic material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/74—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other
    • F24S10/742—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other the conduits being parallel to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S70/00—Details of absorbing elements
    • F24S70/10—Details of absorbing elements characterised by the absorbing material
    • F24S70/14—Details of absorbing elements characterised by the absorbing material made of plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
    • F28F21/063—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0243—Header boxes having a circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/162—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using bonding or sealing substances, e.g. adhesives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/187—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding at least one of the parts being non-metallic, e.g. heat-sealing plastic elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/143—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded injection molded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

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  • Mechanical Engineering (AREA)
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  • Thermal Sciences (AREA)
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  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

本发明涉及一种管件，包括具有第一直径的主管以及至少一个从该主管呈角度延伸出的支管，支管具有相对于第一直径而较小的直径，其中，管件和至少一个支管由塑料一体式地制成，并且在至少一个支管的自由端上形成用于可连接的毛细管的连接区域。本发明还涉及一种毛细管网，由管件和连接在支管上的毛细管构成。

Description

管件以及由管件构成的毛细管网
技术领域
本发明涉及一种管件，其包括具有第一直径的主管以及至少一个从该主管呈角度延伸出的支管，支管具有相对于第一直径而较小的直径。本发明还是涉及一种毛细管网，其由前述管件增设毛细管而构成，该毛细管连接在该管件上。
背景技术
毛细管网的作用是实现由毛细管网导引的流体和外界环境之间的热交换，诸如在建筑物采暖的应用领域中实现供热或进行制冷，而且或者例如在热泵应用中吸收地热并提供给流经的流体。
在迄今公知的毛细管网中采用管件，其中，首先在一个沿着轴的纵向延伸的主管中、在加热后、诸如通过可活动的扩径部或套上的拓宽部而插入毛细管，从而使毛细管自动形成主管的呈角度延伸出的支管。在此产生的问题是，形成支管的毛细管和主管的过渡横截面不具有形状固定的尺寸，并且这样的连接对于刚好在毛细管和通常焊接的焊点之间的过渡区上的弯曲和断裂具有较高的敏感性。此外，在焊接过程中焊接区域的必不可少的加热和熔融还导致变窄或扩宽或阶梯式过渡，这些情况都会对压力曲线产生消极影响，因此，与在管系统中畅通流动液体的情况相比，压力损失在这样的毛细管网中显著增大。
发明内容
因此，本发明的目的在于提供一种开始所述类型的管件，该管件特别适用于形成毛细管网，并且在能最简单地制造的同时克服现有技术的缺陷。
为了实现上述目的，本发明提供了一种具有权利要求1的技术特征的管件。
本发明的具有优势的实施方案和扩展方案在从属权利要求中给出。
根据本发明，管件和至少一个支管由塑料一体式地制成，优选以加压浇注法制成，并且在至少一个支管的自由端上形成用于可连接的毛细管的连接区域。
由此根据本发明实现了用于连接毛细管的支管与主管的一体式地成型，从而能够避免迄今为止由于连接方式而导致的中断、变窄或扩宽，以及同样避免了长久以来所具有的较高的断裂敏感性。
根据本发明，主管与至少一个呈角度的支管一体制成，例如采用加压浇注法，由此使对应的毛细管可以安装在至少一个支管上，并且通过适宜的连接方式、诸如粘接、压制或焊接而连接在一起。在这些连接方式中，对于该加工步骤特别优选采用焊接。
根据本发明的一个技术方案，连接区域相对于支管的直径阶梯式地且对应于可连接的毛细管的直径而扩宽，从而使毛细管能够插入到该阶梯式的扩宽部分中，并且在该扩宽部分例如通过焊接而固定。因此在这种设置方案中，由于阶梯式扩宽而使支管的直径在没有在毛细管中改变横截面的情况下就能够延伸。由此避免在系统中的压力损失。
根据本发明的一个技术方案，本发明管件的至少一个支管与主管的轴的夹角为45°至90°，其中，优选角度为90°。以这种方式可以限定出由主管到支管的一个过渡，并且限定与该支管连接的可插入的毛细管，而且可精确重复地构成，特别是当管件以加压浇注形式成型时。据此，由主管的成型支管到毛细管的过渡根据支管与主管的径向角度才能实现，并且优选构成直径相等的过渡，由此避免了会影响流通的横截面改变。
因此，在使用本发明管件的条件下，在相同的运输压力情况下，在主管的入口处流经的液体具有显著更高的循环速度，或者还可以以较小的能量损耗、也就是较低的泵效率实现相同效果的导热/制冷。
优选地，本发明的管件具有多于一个从主管延伸出的支管，其中，所有的支管优选位于一个平面内。对于形成毛细管网适宜的是，相邻支管的彼此间距为10至40mm。可以理解为，所有的支管可以具有相同或不同的间距。
根据本发明的一个技术方案，本发明管件的主管的直径可以为10至75mm，而至少一个支管的直径为3至6mm。然而，本发明并不局限于这些尺寸。
根据本发明的另一个技术方案，主管在端侧设有用于连接其它主管的连接套筒。由此实现了，通过各个管件的简单相互插置以及还可以通过焊接、粘接或其它适宜方法的连接，以及在各个管件的支管上连接相应的毛细管的情况下，可以使毛细管网制成几乎任意尺寸，其中的管件可以通过加压浇注法高效制成。
根据本发明的一个技术方案，在此，所有的主管和特别是支管的设置和数量可以相一致地实现，或者还可以使主管以不同的支管结构和支管数量而相互连接在一起，由此能够以非常简单的方式对于实际情况下的毛细管网形成不总是形状相同的支管结构。这样例如对于热/冷结构的局部特殊要求或在对于空间特殊性的特别布设要求下是具有优势的。
由于本发明上述的管件的一体式制造、特别是采用加压浇注法，避免了迄今为止现有技术中所需的借助于可驶入和可驶出的扩径部而形成毛细管和主管之间的连接。迄今由于液压原因，例如主管必须选择较大尺寸，例如至少20mm。在将毛细管焊接在主管中的情况下，由现有技术可知，还导致焊接中软化的塑料是否完全向内补充到主管的直径中是不可控的，并由此使流动横截面局部产生不允许的改变，以及对在主管中的顺利流动产生消极影响且造成压力损失。在本发明的具有一体成型的支管的管件的可重复的且较高精确度的制造中避免了上述所有缺陷。
以这种方式还实现了，相对于现有技术，在没有破坏安全性能的同时，主管具有显著较小的直径，而且仅由待传递的导热介质或制冷介质的体积流来限定。另外还避免了迄今为止例如焊接过程中在主管上产生的形状变化、壁厚变化或压力裂纹形成，由此使由本发明管件制造的毛细管网的安全性明显增大。在本发明的技术方案中，正是在主管到支管的传递区域上，可以通过形状结构和优化半径的选择实现优选的强度，并且使管件由此还能承受住运行过程中的机械应力。
附图说明
接下来，结合示出实施例的附图对本发明进行详细说明。图中示出了：
图1为由本发明的管件构成的毛细管网的截面图；
图2为图1的局部结构X的放大示意图。
具体实施方式
图1中示出了毛细管网，该毛细管网例如可以添加在墙壁或地面中用于建筑物加热。毛细管网由多个相互连接的管件1组成，通过这些管件导引流体，例如热水和/或冷水。
每个管件1沿着纵轴A的延伸方向都具有多个在此相对于轴A呈角度β延伸的支管11，所有这些支管都位于一个平面内，并且其中，相邻支管11的彼此间距B例如为10至40mm。支管11与管件1的主管10的内腔是连通的，从而使由管件1的主管10导引的液体还能够流入到支管11中。
在管件1的每个支管11的自由端110上形成一个连接区域111，该连接区域在图2中局部放大示出。在该连接区域111中，分别插入具有直径d3的毛细管2，并且例如进行焊接，对此在下文将详细说明。
用于构成毛细管网的管件1的主要特征是，这些管件例如采用加压浇注方式由适宜的塑料一体成型，也就是说，主管10以及一体成型的支管11例如采用加压浇注方式一件式成型，从而确保实现了管件1的最高的尺寸精确性和强度。
管件1的主管10在端侧具有阶梯式扩宽的连接套筒100，在相对的一端上设有与该阶梯式扩宽的连接套筒100的直径相对应的圆柱形插入区域101，从而使多个这样的管件1由各个端侧相互插接在一起，并且这些管件可以通过适宜的方式、例如粘接或焊接相互密封连接，而不需要改变主管10的内部的横截面。
而且，毛细管2在管件1的支管11上的连接可以这样实现，即，避免能够导致流动损失的横截面改变。为了实现该目的，使支管11的连接区域111相对于支管11的直径d2阶梯式地对应于可连接的毛细管2的直径d3而扩宽，从而使毛细管2插入到支管11的阶梯式扩宽的连接区域111中，并且例如在此可以进行焊接，如图2所示。
据此实现了，形成具有图1所示结构的毛细管网，其中，多个毛细管连接到以适宜数量相互插置在一起的管件1上。优选由此实现了相对于用M表示的中间轴的对称结构，从而例如使右侧示出的管件1用于将介质导引至毛细管2中，而例如使左侧示出的管件1用于将由毛细管2返回的介质排放到封闭循环中。
可以理解为，在各个管件1上的支管的类型和数量可以相同也可以不同，因此，根据模块系统的类型使毛细管网能够以简单的方式几乎形成与构造或功能条件相匹配的任意结构。在此，在主管10上一体成型的支管确保在最小流动损失的条件下实现最高的尺寸精确性和密封性，并且毛细管2在支管的连接区域上的连接能够极其简单地构成。

Claims (10)

1.一种管件(1)，包括具有第一直径(d1)的主管(10)以及至少一个从该主管(10)呈角度延伸出的支管(11)，所述支管具有相对于所述第一直径(d1)而较小的直径(d2)，其特征在于，所述管件(1)和所述至少一个支管(11)由塑料一体式地制成，并且在所述至少一个支管(11)的自由端(110)上形成用于可连接的毛细管(2)的连接区域(111)。
2.根据权利要求1所述的管件，其特征在于，所述连接区域(111)相对于所述支管(11)的直径(d2)阶梯式地对应于可连接的毛细管(2)的直径(d3)而扩宽。
3.根据权利要求1或2所述的管件，其特征在于，所述毛细管(2)能够与所述连接区域(111)焊接在一起。
4.根据权利要求1至3中任意一项所述的管件，其特征在于，所述至少一个支管(111)与所述主管(10)的轴(A)的夹角(β)为45°至90°。
5.根据权利要求1至4中任意一项所述的管件，其特征在于，相邻支管(11)的彼此间距(B)为10至40mm。
6.根据权利要求1至5中任意一项所述的管件，其特征在于，所述主管(10)的直径(d1)为10至75mm。
7.根据权利要求1至6中任意一项所述的管件，其特征在于，所述至少一个支管(11)的直径(d2)为3至6mm。
8.根据权利要求1至7中任意一项所述的管件，其特征在于，所述主管(10)在端侧设有用于连接其它主管(10)的连接套筒。
9.根据权利要求1至8中任意一项所述的管件，其特征在于，所述管件通过加压浇注法制成。
10.一种毛细管网，由根据权利要求1至9中任意一项所述的管件(1)和连接在所述支管(11)上的毛细管(2)构成。
CN2010800249512A 2009-06-06 2010-06-04 管件以及由管件构成的毛细管网 Pending CN102460056A (zh)

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