thermal_mode.py 5.0 KB

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  1. from typing import Dict, List
  2. from httpx import AsyncClient
  3. from loguru import logger
  4. from app.models.domain.devices import ThermalMode
  5. from app.models.domain.devices import ACATAHThermalModeSetRequest
  6. from app.schemas.equipment import VAVBox
  7. from app.services.platform import DataPlatformService, InfoCode
  8. from app.services.transfer import Duoduo, Season
  9. def count_vav_box_weight(
  10. realtime: float,
  11. target: float,
  12. upper_limit_flow: float,
  13. lower_limit_flow: float,
  14. current_flow_set: float,
  15. valve_opening: float,
  16. season: Season
  17. ) -> float:
  18. diff = realtime - target
  19. flag = False
  20. if current_flow_set < lower_limit_flow * 1.1:
  21. if season == Season.cooling:
  22. if diff < 0:
  23. flag = True
  24. if season == Season.heating:
  25. if diff > 0:
  26. flag = True
  27. elif current_flow_set > upper_limit_flow * 0.9:
  28. if valve_opening > 90.0:
  29. if season == Season.cooling:
  30. if diff > 0:
  31. flag = True
  32. if season == Season.heating:
  33. if diff < 0:
  34. flag = True
  35. if flag:
  36. if abs(diff) < 1:
  37. weight = 0.0
  38. else:
  39. weight = diff
  40. weight = max(-4.0, min(4.0, weight))
  41. else:
  42. weight = 0
  43. return weight
  44. class ACATAHThermalModeController:
  45. """
  46. Decide whether to use cooling or heating mode according to space condition controlled by VAV Box.
  47. Writen by WuXu
  48. """
  49. def __init__(self, vav_boxes_list: List[VAVBox], season: Season):
  50. super(ACATAHThermalModeController, self).__init__()
  51. self.vav_boxes_list = vav_boxes_list
  52. self.season = season
  53. def build(self) -> str:
  54. weight = 0.0
  55. for box in self.vav_boxes_list:
  56. weight += count_vav_box_weight(
  57. box.virtual_realtime_temperature,
  58. box.virtual_target_temperature,
  59. box.supply_air_flow_upper_limit,
  60. box.supply_air_flow_lower_limit,
  61. box.supply_air_flow_set,
  62. box.valve_opening,
  63. self.season
  64. )
  65. if weight > 0:
  66. mode = 'cooling'
  67. elif weight < 0:
  68. mode = 'heating'
  69. else:
  70. mode = 'hold'
  71. return mode
  72. async def fetch_status_params(project_id: str, device_id: str) -> Dict:
  73. async with AsyncClient() as client:
  74. platform = DataPlatformService(client, project_id)
  75. duoduo = Duoduo(client, project_id)
  76. season = duoduo.get_season()
  77. relations = await platform.query_relations(from_id=device_id, graph_id='GtControlEquipNetwork001')
  78. vav_id_list = [item.get('to_id') for item in relations]
  79. vav_boxes_list = []
  80. for vav_id in vav_id_list:
  81. virtual_realtime_temperature = await duoduo.query_device_virtual_data(
  82. vav_id,
  83. 'VirtualRealtimeTemperature'
  84. )
  85. virtual_temperature_target = await duoduo.query_device_virtual_data(vav_id, 'TargetTemperatureSet')
  86. lower_limit_flow, upper_limit_flow = await platform.get_air_flow_limit(vav_id)
  87. current_flow_set = await platform.get_realtime_data(InfoCode.supply_air_flow_set, vav_id)
  88. valve_opening = await platform.get_realtime_data(InfoCode.valve_opening, vav_id)
  89. vav_params = {
  90. 'id': vav_id,
  91. 'virtual_realtime_temperature': virtual_realtime_temperature,
  92. 'virtual_target_temperature': virtual_temperature_target,
  93. 'supply_air_flow_lower_limit': lower_limit_flow,
  94. 'supply_air_flow_upper_limit': upper_limit_flow,
  95. 'supply_air_flow_set': current_flow_set,
  96. 'valve_opening': valve_opening
  97. }
  98. vav = VAVBox(**vav_params)
  99. vav_boxes_list.append(vav)
  100. return {'vav_boxes_list': vav_boxes_list, 'season': season}
  101. @logger.catch()
  102. async def get_thermal_mode(project_id: str, device_id: str) -> ThermalMode:
  103. prams = await fetch_status_params(project_id, device_id)
  104. controller = ACATAHThermalModeController(prams.get('vav_boxes_list'), prams.get('season'))
  105. mode = controller.build()
  106. return ThermalMode(mode)
  107. @logger.catch()
  108. def build_acatah_thermal_mode_set(params: ACATAHThermalModeSetRequest) -> str:
  109. vav_list = list()
  110. for raw_vav in params.vav_list:
  111. vav = VAVBox(
  112. virtual_realtime_temperature=raw_vav.virtual_realtime_temperature,
  113. virtual_target_temperature=raw_vav.virtual_temperature_target,
  114. supply_air_flow_lower_limit=raw_vav.supply_air_flow_lower_limit,
  115. supply_air_flow_upper_limit=raw_vav.supply_air_flow_upper_limit,
  116. supply_air_flow_set=raw_vav.supply_air_flow_set,
  117. valve_opening=raw_vav.valve_opening
  118. )
  119. vav_list.append(vav)
  120. controller = ACATAHThermalModeController(vav_list, Season(params.season))
  121. mode = controller.build()
  122. return mode