IFC 4.3.2.20260714 (IFC4X3_ADD2) under development

4.1.5.3.2 Port Connectivity（端口连接）

输配构件（如风管和出风口，或管道和卫生器具）上的端口通过“端口连接”相互连接。端口连接确定了属于输配构件的连接端口之间的流动方向。

下图展示了应用此概念时使用的通用类和关系。 此外，概念可能对常见或标准化的行业实践和场景具有特殊意义。对于这些特定的使用场景，下表展示了用户可采用的推荐通用使用模式列表。

IfcDistributionPort_0 IfcDistributionPort 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?]      ContainedIn [0:1] ConnectedFromPort      ConnectedFrom [0:1] ConnectedToPort      ConnectedTo [0:1] 8. FlowDirection [0:1] 9. PredefinedType [0:1] 10. SystemType [0:1] IfcRelConnectsPorts_0 IfcRelConnectsPorts 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] 5. RelatingPort [1:1] 6. RelatedPort [1:1] 7. RealizingElement [0:1] IfcDistributionPort_0:ConnectedTo1->IfcRelConnectsPorts_0:RelatingPort0 IfcRelConnectsPorts_1 IfcRelConnectsPorts 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] 5. RelatingPort [1:1] 6. RelatedPort [1:1] 7. RealizingElement [0:1] IfcDistributionPort_0:ConnectedFrom1->IfcRelConnectsPorts_1:RelatedPort0 IfcDistributionPort_1 IfcDistributionPort 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?]      ContainedIn [0:1]      ConnectedFrom [0:1]      ConnectedTo [0:1] 8. FlowDirection [0:1] 9. PredefinedType [0:1] 10. SystemType [0:1] IfcRelConnectsPorts_0:RelatedPort1->IfcDistributionPort_1:IfcDistributionPort0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFlowSegment.htm'>IfcFlowSegment</a> IfcFlowSegment 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?] 8. Tag [0:1]      FillsVoids [0:1]      ConnectedTo [0:?]      IsInterferedByElements [0:?]      InterferesElements [0:?]      HasProjections [0:?]      HasOpenings [0:?]      IsConnectionRealization [0:?]      ProvidesBoundaries [0:?]      ConnectedFrom [0:?]      ContainedInStructure [0:1]      HasCoverings [0:?]      HasSurfaceFeatures [0:?]      HasPorts [0:?]      HasControlElements [0:1] IfcRelConnectsPorts_0:RealizingElement1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcFlowSegment.htm'>IfcFlowSegment</a>:IfcFlowSegment0 IfcDistributionPort_3 IfcDistributionPort 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?]      ContainedIn [0:1]      ConnectedFrom [0:1]      ConnectedTo [0:1] 8. FlowDirection [0:1] 9. PredefinedType [0:1] 10. SystemType [0:1] IfcRelConnectsPorts_1:RelatingPort1->IfcDistributionPort_3:IfcDistributionPort0
图 4.1.5.3.2.A

通用用法

ApplicableEntity
IfcDistributionPort
表 4.1.5.3.2.B

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