52 lines
2.4 KiB
Python
52 lines
2.4 KiB
Python
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from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, ForeignKey, Text, JSON
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from sqlalchemy.sql import func
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from app.core.database import Base
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class DeviceType(Base):
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__tablename__ = "device_types"
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id = Column(Integer, primary_key=True, autoincrement=True)
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code = Column(String(50), unique=True, nullable=False) # pv_inverter, heat_pump, solar_thermal, battery, meter, sensor
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name = Column(String(100), nullable=False)
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icon = Column(String(100))
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data_fields = Column(JSON) # 该类型设备的数据字段定义
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class DeviceGroup(Base):
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__tablename__ = "device_groups"
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String(100), nullable=False)
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parent_id = Column(Integer, ForeignKey("device_groups.id"))
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location = Column(String(200))
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description = Column(Text)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class Device(Base):
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__tablename__ = "devices"
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String(100), nullable=False)
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code = Column(String(100), unique=True, nullable=False) # 设备编号
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device_type = Column(String(50), ForeignKey("device_types.code"), nullable=False)
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group_id = Column(Integer, ForeignKey("device_groups.id"))
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model = Column(String(100)) # 型号
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manufacturer = Column(String(100)) # 厂商
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serial_number = Column(String(100)) # 序列号
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rated_power = Column(Float) # 额定功率 kW
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install_date = Column(DateTime(timezone=True))
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location = Column(String(200))
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protocol = Column(String(50)) # modbus_tcp, modbus_rtu, opc_ua, mqtt, http_api
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connection_params = Column(JSON) # 连接参数 (IP, port, slave_id, etc.)
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collect_interval = Column(Integer, default=15) # 采集间隔(秒)
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category_id = Column(Integer, ForeignKey("energy_categories.id")) # 分项类别
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status = Column(String(20), default="offline") # online, offline, alarm, maintenance
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is_active = Column(Boolean, default=True)
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metadata_ = Column("metadata", JSON) # 扩展元数据
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last_data_time = Column(DateTime(timezone=True))
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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