guanlan-src/reference/rudong/oem_monthly_grid_1482.json

{
 "source": "上海电气月报 13 期 (2025-06→2026-05, 含 2026-05 用印版(2)) §4.2 机组检测结果列表, PyMuPDF 150dpi 逐页视觉读表 2026-08-24; 默认值=优秀, 只记非优秀/异常格 (38台×3部件×13期=1482格)",
 "scale": ["优秀", "良好", "预警(黄)", "报警", "危险", "无数据"],
 "note": "月报纸面结论; 上气另有 vib_diag_detail 数据库层结论 (16/33 案例出自彼, 纸面月报 13 期从未标 16/33)",
 "issues": {
  "2025-06": {"WTG22": {"齿轮箱": "良好", "note": "高速级轴承中期损伤"}, "WTG09": {"note": "发电机前轴承测点异常(传感器)"}, "WTG15": {"note": "无新数据"}},
  "2025-07": {"WTG22": {"齿轮箱": "良好", "note": "高速级轴承中期损伤"}, "WTG09": {"note": "测点异常持续"}},
  "2025-08": {"WTG02": {"发电机": "良好", "note": "前轴承早期损伤,视情更换"}, "WTG22": {"note": "高速级轴承已更换→优秀"}, "WTG09": {"note": "测点异常持续"}},
  "2025-09": {"WTG02": {"发电机": "良好", "note": "疑似前(或后)轴承早期损伤"}, "WTG09": {"note": "测点异常持续"}},
  "2025-10": {"WTG02": {"发电机": "良好", "note": "疑似后轴承早期损伤"}, "WTG24": {"发电机": "良好", "note": "疑似前轴承早期损伤,首报"}, "WTG09": {"note": "测点异常持续"}},
  "2025-11": {"WTG02": {"发电机": "预警", "note": "疑似后轴承中期损伤(系列首个黄级)"}, "WTG24": {"发电机": "良好"}},
  "2025-12": {"WTG02": {"note": "发电机轴承已更换→优秀"}, "WTG27": {"发电机": "良好", "note": "疑似前轴承早期损伤,加强润滑,首报"}, "WTG24": {"发电机": "良好", "note": "无新数据"}},
  "2026-01": {"WTG27": {"发电机": "报警", "note": "前轴承中晚期损伤,视情更换(系列唯一报警级; 01-27换件)"}, "WTG02": {"note": "通讯中断,上期正常"}},
  "2026-02": {"WTG02": {"note": "通讯中断无数据"}},
  "2026-03": {"WTG09": {"齿轮箱": "良好", "note": "高速级轴承早期损伤,振动稳定,不影响运行(内窥2026-01-23后首标)"}},
  "2026-04": {"WTG09": {"齿轮箱": "良好"}},
  "2026-05": {"WTG09": {"齿轮箱": "良好"}, "WTG13": {"note": "通讯中断无数据"}, "WTG18": {"note": "通讯中断无数据"}, "WTG27": {"note": "发电机前轴承测点异常,查传感器及连接线缆"}}
 },
 "key_facts": {
  "16_33_never_flagged": "16#/33# 发电机 13 期纸面全优秀 — 我方准定论·预警(双模审+绝对锚) + CMS 零告警 ⇒ 双体系漏检下的独有检出",
  "trajectories_closed_loop": "02#(8月早期→11月预警→12月换) · 22#(6月中期→7月换) · 24#(10月早期→12月换) · 27#(12月早期→1月报警→1-27换→5月测点异常) · 09#(1-23内窥实证→3月起标良好)",
  "our_alarm_set_vs_grid": "我方报警7台中 17/20/23/38 OEM 全期优秀 (23#长期稳定高位属判据面差异: 总量级vs分位; 17/20/38 事件在6-8月, 超出网格覆盖)",
  "coverage_boundary": "网格止于 2026-05; 6-8月期未入folder, 16/33 若在 6月+ 纸面被标, 本文件不可见"
 }
}