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IfcFlowControllerType

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IfcFlowControllerType

实体定义

元素类型IfcFlowControllerType定义了流控制器的常用共享特性集定义列表和一组可选的产品表示。它用于定义流量控制器规格（即特定产品信息，该产品类型的所有实例都通用）。

流量控制器类型用于定义可应用于该类型的多个实例的流量控制器的公共属性。流量控制器是调节分配系统内流量的装置，如管道系统中的阀门、空气分配系统中的调节风门或配电系统中的电气开关。可以交换流控制器类型（或可实例化子类型），而无需将其指定给引用。

IfcFlowControllerType的出现由IfcFlowController或其子类型的实例表示。

IFC2x2中的新实体。

 

 

#AttributeTypeCardinalityDescriptionC
IfcRoot
1 GlobalId IfcGloballyUniqueId [1:1] Assignment of a globally unique identifier within the entire software world. X
2 OwnerHistory IfcOwnerHistory [0:1] Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,
NOTE  only the last modification in stored - either as addition, deletion or modification.
 X
3 Name IfcLabel [0:1] Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule. X
4 Description IfcText [0:1] Optional description, provided for exchanging informative comments. X
IfcObjectDefinition
  HasAssignments IfcRelAssigns
@RelatedObjects		 S[0:?] Reference to the relationship objects, that assign (by an association relationship) other subtypes of IfcObject to this object instance. Examples are the association to products, processes, controls, resources or groups. X
  Nests IfcRelNests
@RelatedObjects		 S[0:1] References to the decomposition relationship being a nesting. It determines that this object definition is a part within an ordered whole/part decomposition relationship. An object occurrence or type can only be part of a single decomposition (to allow hierarchical strutures only). X
  IsNestedBy IfcRelNests
@RelatingObject		 S[0:?] References to the decomposition relationship being a nesting. It determines that this object definition is the whole within an ordered whole/part decomposition relationship. An object or object type can be nested by several other objects (occurrences or types). X
  HasContext IfcRelDeclares
@RelatedDefinitions		 S[0:1] References to the context providing context information such as project unit or representation context. It should only be asserted for the uppermost non-spatial object. X
  IsDecomposedBy IfcRelAggregates
@RelatingObject		 S[0:?] References to the decomposition relationship being an aggregation. It determines that this object definition is whole within an unordered whole/part decomposition relationship. An object definitions can be aggregated by several other objects (occurrences or parts). X
  Decomposes IfcRelAggregates
@RelatedObjects		 S[0:1] References to the decomposition relationship being an aggregation. It determines that this object definition is a part within an unordered whole/part decomposition relationship. An object definitions can only be part of a single decomposition (to allow hierarchical strutures only). X
  HasAssociations IfcRelAssociates
@RelatedObjects		 S[0:?] Reference to the relationship objects, that associates external references or other resource definitions to the object.. Examples are the association to library, documentation or classification. X
IfcTypeObject
5 ApplicableOccurrence IfcIdentifier [0:1] The attribute optionally defines the data type of the occurrence object, to which the assigned type object can relate. If not present, no instruction is given to which occurrence object the type object is applicable. The following conventions are used:
  • The IFC entity name of the applicable occurrence using the IFC naming convention, CamelCase with IFC prefix
  • It can be optionally followed by the predefined type after the separator "/" (forward slash), using uppercase
  • If one type object is applicable to many occurrence objects, then those occurrence object names should be separate by comma "," forming a comma separated string.
EXAMPLE Refering to a furniture as applicable occurrence entity would be expressed as 'IfcFurnishingElement', refering to a brace as applicable entity would be expressed as 'IfcMember/BRACE', refering to a wall and wall standard case would be expressed as 'IfcWall, IfcWallStandardCase'.
 X
6 HasPropertySets IfcPropertySetDefinition S[1:?] Set list of unique property sets, that are associated with the object type and are common to all object occurrences referring to this object type. X
  Types IfcRelDefinesByType
@RelatingType		 S[0:1] Reference to the relationship IfcRelDefinedByType and thus to those occurrence objects, which are defined by this type. X
IfcTypeProduct
7 RepresentationMaps IfcRepresentationMap ~L[1:?] List of unique representation maps. Each representation map describes a block definition of the shape of the product style. By providing more than one representation map, a multi-view block definition can be given. X
8 Tag IfcLabel [0:1] The tag (or label) identifier at the particular type of a product, e.g. the article number (like the EAN). It is the identifier at the specific level. X
  ReferencedBy IfcRelAssignsToProduct
@RelatingProduct		 S[0:?] Reference to the IfcRelAssignsToProduct relationship, by which other products, processes, controls, resources or actors (as subtypes of IfcObjectDefinition) can be related to this product type. X
IfcElementType
9 ElementType IfcLabel [0:1] The type denotes a particular type that indicates the object further. The use has to be established at the level of instantiable subtypes. In particular it holds the user defined type, if the enumeration of the attribute 'PredefinedType' is set to USERDEFINED. X
IfcDistributionElementType
IfcDistributionFlowElementType
IfcFlowControllerType
 

 

EXPRESS Specification

ENTITY IfcFlowControllerType
 ABSTRACT SUPERTYPE OF(ONEOF(IfcAirTerminalBoxType, IfcDamperType, IfcElectricDistributionBoardType, IfcElectricTimeControlType, IfcFlowMeterType, IfcProtectiveDeviceType, IfcSwitchingDeviceType, IfcValveType))
 SUBTYPE OF (IfcDistributionFlowElementType);
END_ENTITY;

 

 

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