Add EVSE Charging Concepts

bricksrc/collections.py

@@ -180,4 +180,9 @@
         "aliases": [BRICK["PV_Array"]],
         "constraints": {BRICK.hasPart: [BRICK.PV_Panel]},
     },
+    "Electric_Vehicle_Charging_Hub": {
+        "tags": [TAG.Collection, TAG.Electric, TAG.Vehicle, TAG.Charging, TAG.Hub],
+        "aliases": [BRICK["EV_Charging_Hub"]],
+        "constraints": {BRICK.hasPart: [BRICK.Electric_Vehicle_Charging_Station]},
+    },
 }

bricksrc/definitions.csv

@@ -322,6 +322,9 @@ https://brickschema.org/schema/Brick#Electric_Current,,
 https://brickschema.org/schema/Brick#Electric_Energy,,
 https://brickschema.org/schema/Brick#Electric_Power_Sensor,Measures the amount of instantaneous electric power consumed,
 https://brickschema.org/schema/Brick#Electric_Radiator,Electric heating device,
+https://brickschema.org/schema/Brick#Electric_Vehicle_Charging_Hub,"A collection of charging stations for charging electric vehicles. A hub may be located in a parking lot, for example",
+https://brickschema.org/schema/Brick#Electric_Vehicle_Charging_Port,An individual point of attachment for charing a single electric vehicle,
+https://brickschema.org/schema/Brick#Electric_Vehicle_Charging_Station,An individual piece of equipment supplying electrical power for charging electric vehicles. Contains 1 or more electric vehicle charging ports,
 https://brickschema.org/schema/Brick#Electric_Voltage,,
 https://brickschema.org/schema/Brick#Electrical_Energy_Usage_Sensor,A sensor that records the quantity of electrical energy consumed in a given period,
 https://brickschema.org/schema/Brick#Electrical_Meter,A meter that measures the usage or consumption of electricity,

bricksrc/entity_properties.py

@@ -347,6 +347,33 @@
         SH.node: BSH.VirtualMeterShape,
         RDFS.label: Literal("is virtual meter"),
     },
+    BRICK.electricVehicleChargerType: {
+        SKOS.definition: Literal(
+            "Which type of EVSE charger this is, e.g. Level 1 (up to up to 2.5kW of AC power on 1 phase 120V input), Level 2 (direct AC power but can use higher voltage and up to 3 phases), or Level 3 (direct DC power)"
+        ),
+        "property_of": BRICK.Electric_Vehicle_Charging_Station,
+        RDFS.label: Literal("has electric vehicle charger type"),
+        SH.node: BSH.ElectricVehicleChargingTypeShape,
+    },
+    BRICK.electricVehicleChargerDirectionality: {
+        SKOS.definition: Literal(
+            "Indicates if the EVSE charger supports bidirectional charging or just unidirectional charging of the EV battery"
+        ),
+        "property_of": [
+            BRICK.Electric_Vehicle_Charging_Station,
+            BRICK.Electric_Vehicle_Charging_Port,
+        ],
+        RDFS.label: Literal("has electric vehicle charger directionality"),
+        SH.node: BSH.ElectricVehicleChargingDirectionalityShape,
+    },
+    BRICK.electricVehicleConnectorType: {
+        SKOS.definition: Literal(
+            "Identifies which kind of connector the port has. This property helps identify the physical connection required between the vehicle and the charging equipment."
+        ),
+        "property_of": BRICK.Electric_Vehicle_Charging_Port,
+        RDFS.label: Literal("has electric vehicle connector type"),
+        SH.node: BSH.ElectricVehicleConnectorTypeShape,
+    },
 }
 
 building_primary_function_values = [
@@ -451,7 +478,7 @@
     BSH.ElectricalComplexPowerShape: {"values": ["real", "reactive", "apparent"]},
     BSH.ElectricalFlowShape: {"values": ["import", "export", "net", "absolute"]},
     BSH.PhasesShape: {"values": ["A", "B", "C", "AB", "BC", "AC", "ABC"]},
-    BSH.PhaseCountShape: {"values": ["1", "2", "3", "Total"]},
+    BSH.PhaseCountShape: {"values": [1, 2, 3, "Total"]},
     BSH.CurrentFlowTypeShape: {"values": ["AC", "DC"]},
     BSH.StageShape: {"values": [1, 2, 3, 4]},
     BSH.BuildingPrimaryFunctionShape: {"values": building_primary_function_values},
@@ -533,6 +560,25 @@
             },
         },
     },
+    BRICK.ElectricVehicleChargingTypeShape: {
+        "values": ["Level 1", "Level 2", "Level 3"]
+    },
+    BRICK.ElectricVehicleChargingDirectionalityShape: {
+        "values": ["unidirectional", "bidirectional"]
+    },
+    BRICK.ElectricVehicleConnectorTypeShape: {
+        "values": [
+            "Type 1 (CSS)",
+            "Type 2 (CSS)",
+            "GB/T",
+            "Type 1 (SAE J1772)",
+            "Type 2 (IEC 62196)",
+            "CHAdeMO",
+            "CCS (Combined Charging System)",
+            "Tesla Supercharger",
+            "Wireless",
+        ]
+    },
 }
 
 

bricksrc/equipment.py

@@ -45,6 +45,25 @@
     "Electrical_Equipment": {
         "tags": [TAG.Electrical, TAG.Equipment],
         "subclasses": {
+            "Electric_Vehicle_Charging_Station": {
+                "tags": [
+                    TAG.Electric,
+                    TAG.Vehicle,
+                    TAG.Charging,
+                    TAG.Station,
+                    TAG.Equipment,
+                ],
+                "constraints": {BRICK.hasPart: [BRICK.Electric_Vehicle_Charging_Port]},
+            },
+            "Electric_Vehicle_Charging_Port": {
+                "tags": [
+                    TAG.Electric,
+                    TAG.Vehicle,
+                    TAG.Charging,
+                    TAG.Port,
+                    TAG.Equipment,
+                ],
+            },
             "Energy_Storage": {
                 "tags": [TAG.Energy, TAG.Storage, TAG.Equipment],
                 "subclasses": {

bricksrc/rules.ttl

@@ -39,6 +39,24 @@ WHERE {
   sh:targetClass brick:Entity ;
 .
 
+bsh:InferInverseProperties2
+  a sh:NodeShape ;
+  sh:rule [
+      a sh:SPARQLRule ;
+      sh:construct """
+            CONSTRUCT {
+$this ?p ?o .
+}
+WHERE {
+?o ?invP $this .
+?invP owl:inverseOf ?p .
+}
+			""" ;
+      sh:prefixes <https://brickschema.org/schema/1.3/Brick> ;
+    ] ;
+  sh:targetClass brick:Entity ;
+.
+
 bsh:InferSymmetricProperties
   a sh:NodeShape ;
   sh:rule [
@@ -424,3 +442,52 @@ bsh:hasSubstance a sh:NodeShape ;
     sh:targetObjectsOf brick:hasSubstance ;
     sh:class brick:Substance ;
 .
+
+
+# add unidirectional charging to all EVsE chargers as a default value
+# UNLESS there is already a brick:electricVehicleChargerDirectionality attribute
+# on ports associated with the charger
+bsh:AddDefaultEVSEChargerDirection a sh:NodeShape ;
+    sh:targetClass brick:Electric_Vehicle_Charging_Station ;
+    sh:rule [
+        a sh:SPARQLRule ;
+        sh:prefixes <https://brickschema.org/schema/1.3/Brick> ;
+        sh:construct """
+        CONSTRUCT {
+            $this brick:electricVehicleChargerDirectionality [ brick:value "unidirectional" ]
+        } WHERE {
+            $this rdf:type brick:Electric_Vehicle_Charging_Station .
+            FILTER NOT EXISTS {
+                $this brick:electricVehicleChargerDirectionality ?direction .
+            }
+            FILTER NOT EXISTS {
+                $this brick:hasPart ?port .
+                ?port a brick:Electric_Vehicle_Charging_Port .
+                ?port brick:electricVehicleChargerDirectionality ?other_direction .
+            }
+        }
+        """ ;
+    ] ;
+.
+
+# inherit the directionality of the EVSE charger to the ports
+bsh:InheritEVSEChargerDirection a sh:NodeShape ;
+    sh:targetClass brick:Electric_Vehicle_Charging_Port ;
+    sh:rule [
+        a sh:SPARQLRule ;
+        sh:prefixes <https://brickschema.org/schema/1.3/Brick> ;
+        sh:construct """
+        CONSTRUCT {
+            $this brick:electricVehicleChargerDirectionality ?direction
+        } WHERE {
+            $this rdf:type brick:Electric_Vehicle_Charging_Port .
+            $this brick:isPartOf ?charger .
+            ?charger a brick:Electric_Vehicle_Charging_Station .
+            ?charger brick:electricVehicleChargerDirectionality ?direction .
+            FILTER NOT EXISTS {
+                $this brick:electricVehicleChargerDirectionality ?other_direction .
+            }
+        }
+        """ ;
+    ] ;
+.

examples/evse/evse.ttl

@@ -0,0 +1,55 @@
+@prefix brick: <https://brickschema.org/schema/Brick#> .
+@prefix unit: <http://qudt.org/vocab/unit/> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix : <urn:evse#> .
+
+:parking_lot a brick:Parking_Structure ;
+    brick:isLocationOf :hub .
+
+:hub a brick:Electric_Vehicle_Charging_Hub ;
+    brick:hasPart :station1, :station2 .
+
+:station1 a brick:Electric_Vehicle_Charging_Station ;
+    brick:electricVehicleChargerType [ brick:value "Level 1" ] ;
+    brick:hasPart :port1-1, :port1-2 ;
+.
+
+:port1-1 a brick:Electric_Vehicle_Charging_Port ;
+    brick:electricVehicleChargerDirectionality [ brick:value "bidirectional" ] ;
+    brick:electricVehicleConnectorType [ brick:value "Level 1 (SAE J1772)" ] ;
+    brick:currentFlowType [ brick:value "AC" ] ;
+    brick:electricalPhaseCount [ brick:value 1 ] ;
+    brick:hasPoint :port1-1-voltage ;
+.
+:port1-1-voltage a brick:Battery_Voltage_Sensor ;
+    brick:hasUnit unit:PERCENT ;
+.
+
+:port1-2 a brick:Electric_Vehicle_Charging_Port ;
+    brick:electricVehicleChargerDirectionality [ brick:value "bidirectional" ] ;
+    brick:electricVehicleConnectorType [ brick:value "Level 1 (SAE J1772)" ] ;
+    brick:currentFlowType [ brick:value "AC" ] ;
+    brick:electricalPhaseCount [ brick:value 1 ] ;
+    brick:hasPoint :port1-2-voltage ;
+.
+:port1-2-voltage a brick:Battery_Voltage_Sensor ;
+    brick:hasUnit unit:PERCENT ;
+.
+
+:station2 a brick:Electric_Vehicle_Charging_Station ;
+    brick:electricVehicleChargerDirectionality [ brick:value "unidirectional" ] ;
+    brick:electricVehicleChargerType [ brick:value "Level 2" ] ;
+    brick:hasPart :port2-1 ;
+.
+
+:port2-1 a brick:Electric_Vehicle_Charging_Port ;
+    # this should inherit 'unidirectional' from the station
+    brick:electricVehicleConnectorType [ brick:value "Level 2 (IEC 62196)" ] ;
+    brick:currentFlowType [ brick:value "AC" ] ;
+    brick:electricalPhaseCount [ brick:value 3 ] ;
+    brick:hasPoint :port2-1-voltage ;
+.
+
+:port2-1-voltage a brick:Battery_Voltage_Sensor ;
+    brick:hasUnit unit:PERCENT ;
+.

examples/last_known_value/last_known_value.ttl

@@ -4,6 +4,10 @@
 @prefix unit: <http://qudt.org/vocab/unit/> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix bacnet: <http://data.ashrae.org/bacnet/2020#> .
+@prefix owl: <http://www.w3.org/2002/07/owl#> .
+
+bldg: a  owl:Ontology ;
+    owl:imports <https://brickschema.org/schema/1.3/Brick> .
 
 bldg:sample-device a bacnet:BACnetDevice ;
     bacnet:device-instance 123 ;