{
  "false_alarm_intervals": 5,
  "false_alarm_hours": 16.25,
  "confirmed_false_alarm_intervals": 1,
  "confirmed_false_alarm_hours": 2.75,
  "intervals": 26,
  "confirmed_intervals": 13,
  "event_hits": 3,
  "confirmed_event_hits": 2,
  "validation": [
    {
      "event_id": "2026-06-12",
      "event_date": "2026-06-12",
      "cylinder": "二缸",
      "description": "5#压缩机一级2#缸温度异常",
      "hit": true,
      "confirmed": true,
      "start_time": "2026-06-10 23:15:02",
      "end_time": "2026-06-11 01:00:04",
      "duration_hours": 1.75,
      "max_score": 6.08,
      "direction": "高幅高冲击",
      "level": "异常",
      "confidence": "中",
      "lead_days": 1.03
    },
    {
      "event_id": "2026-06-21",
      "event_date": "2026-06-21",
      "cylinder": "五缸",
      "description": "5#压缩机二级2#缸温度异常",
      "hit": true,
      "confirmed": false,
      "start_time": "2026-06-18 09:45:03",
      "end_time": "2026-06-18 10:45:04",
      "duration_hours": 1.0,
      "max_score": 5.643,
      "direction": "低幅高冲击",
      "level": "观察",
      "confidence": "低",
      "lead_days": 2.59
    },
    {
      "event_id": "2026-07-11",
      "event_date": "2026-07-11",
      "cylinder": "二缸",
      "description": "一级二缸排温高停机",
      "hit": true,
      "confirmed": true,
      "start_time": "2026-07-07 19:45:01",
      "end_time": "2026-07-07 22:30:03",
      "duration_hours": 2.75,
      "max_score": 6.11,
      "direction": "高幅高冲击",
      "level": "严重",
      "confidence": "高",
      "lead_days": 3.18
    }
  ]
}