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日本电力电工展 JECA FAIR

展会期间
2026-05-27 ~ 2026-05-29
开放时间 9:00-18:00
展会行业 电力
主办单位 励展集团
展会地址 日本- 东京-东京有明国际会展中心 Tokyo Big Sight International Exhibition Center
举办周期 1年1届 展规模超过35012平方米 观众数量数近89063人 展商数量823家

同期举办展会

2026-05-27 ~ 2026-05-29
2026-05-27 ~ 2026-05-29
2026-05-27 ~ 2026-05-29

展品范围

输配电设备；电网自动化技术及设备；电能计量产品；发电设备；电力施工工具；低压电器；建筑电气；电厂环保产品；电线/电缆类；钢制导管/成树脂导管；电路材料及配件；管道配线支撑材料；配线材料；照明设备/照明控制装置；配电盘/监视控制装置；蓄电相关设备；新能源/节能；通信/信息设备/设备软件；灾报警设备；犯罪预防设备和其他防灾设备；避雷针设备；测量仪器

展会介绍

日本电力电工展（JECA FAIR）是日本最大的建筑电气设备、材料和技术综合展览会，自1957年创办以来已成为电气设备行业的主要活动之一。展会涵盖电气设备相关材料、工具、测量仪器、软件、系统等新产品，并举办施工技术、学术介绍和工作方法介绍等活动，旨在发布所有电气设备信息，支持基础设施、住宅和办公楼的电气施工与维护，改善国民生活并促进经济持续增长。

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-04-29 02:32:32 HTTP/2.0 GET : https://www.wenzhanintl.com/exhibitionjoin/exhibitioninfo?id=3970
  2. 运行时间 : 0.036126s [ 吞吐率：27.68req/s ] 内存消耗：4,536.18kb 文件加载：159
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=76cb857d1d6ee8f5181661e55e4bf2ac
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  1. CONNECT:[ UseTime:0.000259s ] mysql:host=127.0.0.1;port=3306;dbname=wenzhan;charset=utf8
  2. SHOW FULL COLUMNS FROM `d_frontend_users` [ RunTime:0.000855s ]
  3. SELECT * FROM `d_frontend_users` WHERE `phone_number` IS NULL LIMIT 1 [ RunTime:0.000152s ]
  4. SHOW FULL COLUMNS FROM `d_exhibitions` [ RunTime:0.000936s ]
  5. SELECT `a`.*,`b`.*,a.venue as avenue,b.name as bname,a.name as aname,a.id as aid,`a`.`area_sqm` FROM `d_exhibitions` `a` INNER JOIN `d_exhibition_halls` `b` ON `a`.`venue`=`b`.`id` WHERE `a`.`id` = '3970' ORDER BY `a`.`start_date` ASC LIMIT 1 [ RunTime:0.000265s ]
  6. SELECT * FROM `d_exhibitions` WHERE ( `id` != 3970 AND `start_date` = '1779811200' AND `end_date` = '1779984000' AND `venue` = '205' ) [ RunTime:0.005556s ]
  7. SHOW FULL COLUMNS FROM `d_categories` [ RunTime:0.000742s ]
  8. SELECT * FROM `d_categories` WHERE `id` = 24 LIMIT 1 [ RunTime:0.000164s ]
  9. SELECT * FROM `d_categories` WHERE `id` = 228 LIMIT 1 [ RunTime:0.000119s ]
  10. SELECT * FROM `d_categories` WHERE `id` = 237 LIMIT 1 [ RunTime:0.000121s ]
  11. SELECT * FROM `d_categories` WHERE `id` = 24 LIMIT 1 [ RunTime:0.000115s ]
  12. SELECT `a`.*,`b`.*,b.name as bname,a.name as aname,a.id as aid FROM `d_exhibitions` `a` INNER JOIN `d_exhibition_halls` `b` ON `a`.`venue`=`b`.`id` WHERE ( ( JSON_CONTAINS(a.industry, '53') ) ) AND `a`.`id` <> '3970' LIMIT 4 [ RunTime:0.000461s ]
  13. SELECT * FROM `d_categories` WHERE `id` = 5 LIMIT 1 [ RunTime:0.000156s ]
  14. SELECT * FROM `d_categories` WHERE `id` = 53 LIMIT 1 [ RunTime:0.000114s ]
  15. SELECT * FROM `d_categories` WHERE `id` = 5 LIMIT 1 [ RunTime:0.000104s ]
  16. SELECT * FROM `d_categories` WHERE `id` = 53 LIMIT 1 [ RunTime:0.000105s ]
  17. SELECT * FROM `d_categories` WHERE `id` = 53 LIMIT 1 [ RunTime:0.000106s ]
  18. SHOW FULL COLUMNS FROM `d_exhibition_images` [ RunTime:0.000662s ]
  19. SELECT * FROM `d_exhibition_images` WHERE `exhibition_id` = 3970 [ RunTime:0.004171s ]
  20. SHOW FULL COLUMNS FROM `d_exhibition_schedule` [ RunTime:0.000630s ]
  21. SELECT * FROM `d_exhibition_schedule` WHERE `exhibition_id` = '3970' [ RunTime:0.000168s ]
0.036548s