霍尔电流传感器在充电桩计量上的应用

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首页 > 工程案例 > 行业方案 > 霍尔电流传感器在充电桩计量上的应用

霍尔电流传感器在充电桩计量上的应用 2023-03-28 14:15:59 安科瑞电气股份有限公司

基本信息项目名称: 霍尔电流传感器在充电桩计量上的应用项目地点:

周晓丽

安科瑞电气股份有限公司上海嘉定 201801

应用场景

功能

霍尔传感器，适用于交流、直流、脉冲等复杂信号的隔离转换，通过霍尔效应原理使变换后的信号能够直接被AD 、DSP、PLC、二次仪表等各种采集装置直接采集和接受，体积小，寿命长，安装方便，响应时间快，电流测量范围宽精度高，过载能力强，线性好，抗干扰能力强等优点。

图片

产品选型

作者简介：周晓丽，女，现任职于安科瑞电气股份有限公司，主要从事智慧管廊监控研究发展。手机：18721096061（同微信号）；QQ:2881780377；邮箱：2881780377@qq.com

实施时间:

项目简介

系统实现的功能

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SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=1 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.041731s ]
SELECT `id` FROM `rh_news` WHERE ( ( first_news_class_id = 2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009399s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 7 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009337s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 3 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009365s ]
SELECT `id` FROM `rh_news_class` WHERE ( ( parent_id = 21 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009360s ]
SHOW FULL COLUMNS FROM `rh_product_class` [ RunTime:0.009928s ]
SELECT `id` FROM `rh_product_class` WHERE ( ( parent_id = 0 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009486s ]
SHOW FULL COLUMNS FROM `rh_download_class` [ RunTime:0.009840s ]
SELECT `id` FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC LIMIT 1 [ RunTime:0.009286s ]
SHOW FULL COLUMNS FROM `rh_intro` [ RunTime:0.009876s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=1 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009350s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=4 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009326s ]
SELECT `icon`,`icon_2` FROM `rh_intro` WHERE ( ( id=5 ) ) AND `rh_intro`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009334s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=1 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.023444s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 7 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009490s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 3 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009431s ]
SELECT * FROM `rh_news_class` WHERE ( ( is_pass = 1 and parent_id = 21 ) ) AND `rh_news_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` DESC [ RunTime:0.009438s ]
SELECT * FROM `rh_product_class` WHERE ( `is_pass` = 1 ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` ASC,`id` ASC [ RunTime:0.009523s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.014691s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id=0 and level=1 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.009477s ]
SELECT * FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 [ RunTime:0.009400s ]
SELECT * FROM `rh_news` WHERE ( ( is_pass=1 and first_news_class_id=2 ) ) AND `rh_news`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.014215s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id=0 and level=1 ) ) AND `rh_product_class`.`delete_time` = 0 ORDER BY `sort` [ RunTime:0.009498s ]
SELECT * FROM `rh_download_class` WHERE ( ( parent_id = 0 ) ) AND `rh_download_class`.`delete_time` = 0 [ RunTime:0.009474s ]
SHOW FULL COLUMNS FROM `rh_swiper` [ RunTime:0.009935s ]
SELECT * FROM `rh_swiper` WHERE ( `is_pass` = 1 AND `id` = 8 ) AND `rh_swiper`.`delete_time` = 0 LIMIT 1 [ RunTime:0.009445s ]
SELECT * FROM `rh_product_class` WHERE ( ( parent_id = 0 ) ) AND `rh_product_class`.`delete_time` = 0 [ RunTime:0.009475s ]

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