光伏知识平台

PV-Atlas KG · v2026-06-18

光伏行业多源融合知识图谱 · 全证据 span 溯源 · 持续演进

3,158实体
3,475三元组
6实体类型
20+关系类型
381抽取文献
100%span 溯源
27冲突仲裁链
CC BY 4.0许可证

为什么 PV-Atlas KG 与众不同

① 证据 span 级溯源

每条三元组都带来源文献的字符级 span,可一键定位到原文段落, 不像普通知识图谱"知其然不知其所以然"。

② 冲突仲裁透明

同一关系出现多源冲突时,记录"谁覆盖了谁、原因是什么", 由 CQA 保守仲裁裁定,保留 lineage 全程可追溯。

③ 4-lens ontology

把光伏实体按对象 / 过程 / 属性 / 事件四视角分类, 覆盖材料、工艺、性能、故障全链,论文 §4 详述。

④ 按月演进

版本号用发布日期,每月迭代。提供 一键更新脚本,旧版本无需手工 diff。

实体类型与关系(节选)

6 类实体(Top-8 by count)

类型数量示例
PerformanceMetric692Voc, Isc, Pmax, FF, η
Material393monocrystalline silicon, EVA, glass
TestMethod345EL imaging, IV curve, IR thermography
Cell262TOPCon, HJT, PERC, BC
DegradationMode223PID, LeTID, microcrack propagation
Instrument214solar simulator, EL camera, IR camera
StandardClause203IEC 61215 MQT-09, GB/T 6495.1 §5.3
EnvironmentalCondition168STC, NOCT, damp heat 85°C/85%RH

关系类型(20+,节选)

谓词主语 → 宾语
compliesWithCell → StandardClause
detectedByDegradationMode → TestMethod
testedByMaterial → TestMethod
measuredByPerformanceMetric → Instrument
mitigatedByFault → SOP
respondsToSOP → Fault
hasComponentModule → Cell
characterizedByCell → PerformanceMetric

实际抽取的三元组长什么样

TOPCon_cell → compliesWith → IEC_61215_MQT-09
"TOPCon cells pass IEC 61215 MQT-09 thermal cycling at 200 cycles between –40 °C and +85 °C without measurable power degradation." doc: lit-tps-mqt09-v3 · genre: LIT · confidence: 0.97
PID → detectedBy → EL_imaging
"Potential-induced degradation (PID) appears in EL images as a characteristic darkening near the cell's grounded edge." doc: std-iec-tr-62804 · genre: STD · confidence: 0.99
HJT_cell → characterizedBy → open_circuit_voltage_745mV
"Industrial HJT cells now routinely exceed 745 mV Voc at standard test conditions on M10 wafers." doc: lit-pip-2024-hjt-roadmap · genre: LIT · confidence: 0.92
microcrack_propagation → testedBy → mechanical_load_test_5400Pa
"Module-level microcrack propagation is screened by 5400 Pa front-side mechanical load cycling per IEC 61215 MQT-16." doc: std-iec-61215-mqt16 · genre: STD · confidence: 0.95
SOP-PID-RECOVERY-V2 → respondsTo → PID_fault
"PID recovery procedure (SOP-PID-RECOVERY-V2): reverse-bias the affected string at +500 V relative to ground for 16 hours; re-measure EL after 48 h." doc: man-tongwei-pid-recovery-2024 · genre: MAN · confidence: 1.00

想看完整数据?实名申请下载,1–3 工作日批复。

3 种发布形态,按需取用

📦

SQLite 一站式 .db

atlas.db — 实体、三元组、provenance、conflict_lineage 全在一个文件,复现性最好。

~4 MB · .sqlite · 复现 §6 表 5 分钟
📄

JSONL(实体 / 三元组)

entities.jsonl + triples.jsonl,便于 Python / Spark 直接 stream 处理。

~2 MB / ~3 MB · UTF-8
🧠

Neo4j 图数据库 dump

neo4j_dump.cypher.gz + docker-compose,开箱即用图查询。

~5 MB · Neo4j 5.x

无痛同步到最新版本

本地有 v2026-05-18 旧版本?跑一行命令同步到最新增量,无需手动 diff。 脚本只下载 changes(实体差异 + 新增三元组 + lineage),不下载全量。

# 假设本地已有 atlas.db v2026-05-18
$ curl -O https://ai.pvkeeper.com/api/v1/kg/update.sh
$ bash update.sh --to=latest --local=./atlas.db
[update] checking remote version… v2026-06-18 (latest)
[update] computing diff… +138 entities, +89 triples, +3 conflicts
[update] applying patch… done
[update] verifying integrity… ok
[update] local atlas.db now at v2026-06-18

API 端点: /api/v1/kg/{version,diff,download} · 认证: 申请后获得的 token · 更新粒度: 实体增删改 + 三元组增删改 + lineage 增量

BibTeX

@article{pvatlas2026,
  title   = {PV-Atlas: A provenance-tracked photovoltaic knowledge graph
             with selectively KG-grounded instruction synthesis},
  author  = {Xu, Shengzhi and Wang, Zhen and ...},
  journal = {Advances in Applied Energy},
  year    = {2026},
  volume  = {TBD},
  pages   = {TBD},
  doi     = {TBD},
  note    = {Dataset version v2026-06-18},
}

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