与此同时，电力工们正手持红外测温仪，对配电箱、电缆接头等关键电力设备逐一测温。"隧道内设备 密集、工况复杂，春运期间我们要对信号、通信电源电缆进行至少2次红外测温检查。"电力检修负责人 宁雪峰说。他们白天整理检修台账、研判风险、备料保养工具，晚上投入夜间检修，连轴转已是常态。 "隧道里常年是这种阴冷感，尤其是后半夜，凉意更重。"检修专班负责人陈童边走边说，为了保障春运 期间列车通行，他们的检修只能在凌晨"天窗期"开展，一周至少要守6个这样的夜晚，每次作业时长近4 小时。 沿着轨道旁的检修通道，陈童和同事们开始了5公里的徒步前行。为了精准操作扳手、螺丝刀等工具， 排查接触网零部件的松动、锈蚀等问题，他们只能放弃保暖的厚手套，仅靠一层薄布手套抵御阴冷。 前方的隧道深处，一架无人机正带着高清摄像头和红外热成像仪盘旋，这是专门用来检查刚性悬挂各部 件连接状态的"空中慧眼"。接触网工南丽江操控着遥控器，屏幕上实时传回部件细节，"发现一处螺栓 轻微松动，马上通知地面人员处置"。 （来源：工人日报） 本报讯 （记者张玺 通讯员王健）春运迎来返程高峰，近日凌晨，国铁北京局天津供电段联合检修专班 的职工们又一次走进了天津西站与 ...

当凌晨的城市陷入沉睡，天津地下直径线隧道内的寒气愈发凛冽，联合检修专班青年突击队出发了。 天津地下直径线不仅是连接京沪高铁等多条高铁干线的关键枢纽，更是春运客流疏导、列车通行的核心 通道，其供电设备的稳定性直接关系行车安全与旅客出行体验。春运期间，一支由中国铁路北京局集团 有限公司天津供电段团委牵头组建的接触网、电力专业联合检修专班青年突击队，化身"智慧尖兵"，用 硬核科技照亮平安旅途。 刚走进隧道不久，寒气便顺着衣领钻进身体，让人忍不住裹紧外套。"隧道里不见天日，常年阴冷，尤 其是在后半夜，寒意更重。"联合检修专班青年突击队负责人陈童边走边说，为了保障春运期间列车通 行，他们的检修只能在列车停运的凌晨"天窗期"开展，每次作业时长近4小时。 凌晨的隧道里，温度跌至零摄氏度以下，潮湿的空气混杂着机械油脂的气味，冷风顺着线路缝隙穿梭， 吹在脸上像针扎般刺痛。沿着轨道旁的检修通道，联合检修专班青年突击队队员开始了约5公里的徒步 巡检。 脚下的路凹凸不平，不时要避开散落的管线和设备基座。记者注意到，为了精准操作扳手、螺丝刀等工 具，排查接触网零部件的松动、锈蚀等问题，没有人戴保暖的厚手套。"薄手套能让我们摸到部件的细 ...

来源：今晚报 当高铁列车载着归乡旅客从天津站出发，海河地下直径线的隧道深处，一群"夜行者"踏着寒雾悄然集 结，他们是天津供电段和电务段联合检修专班。在大年初一万家团圆之际，这些检修工人依然要像平时 一样昼夜工作。整个春节假期，他们都会24小时坚守在岗位上，只为保障高铁列车正常运行。春节假期 前夕，记者跟随他们走进了这条连接天津西站与天津站的地下铁路联络线，徒步巡检、精准排查、处置 隐患——3个多小时内走了1万多步，从河东区一直走到红桥区。身体从冷走到热，脸却被冷风吹得冰 凉，深切体会到了高铁线路检修工人的辛苦。正是这不分昼夜的坚守，让每一趟列车的平稳运行都有了 坚实保障。 零时向隧道出发 "集合！点名！确认工具！"凌晨零时，位于河东区天津站西侧的工程车停车场内，天津供电段和电务段 联合检修专班的检修工已身着工装，背着沉甸甸的工具包，整装待发。 "今晚的天窗期是3小时40分钟，重点排查接触网悬挂部件、道岔缺口及电缆接头的温度异常。"检修专 班负责人陈童拿着作业计划表，逐一向队员强调注意事项。地下直径线是京沪高铁与津秦客专的枢纽， 春运期间列车密度翻倍，任何微小隐患都可能影响万千旅客的归途，必须零失误。 零时50 ...

"过往人工巡检需要16个小时；如今应用无人机，6个小时就能完成巡查，还能精准识别隐蔽隐患。"周 靖宇指着屏幕说。 夜幕降临，乡村灯火渐次亮起，队员带上红外测温仪再次出发。"夜间温差大，容易产生绝缘隐患，必 须逐点排查。"大家打着手电，在设备区中穿梭，一丝不苟地记录每一项数据。 夜巡结束，队员顾不上休息，立即投入到数据复核工作中。分析设备运行趋势、逐项核对巡检记录、编 写当日工作报告，各个步骤严谨细致。 除夕当天，漳州市云霄县，透过清晨的薄雾，一座座巍然矗立的铁塔映入眼帘。这里是闽粤联网换流 站，作为连接福建与广东的"电力枢纽"，正为两省千家万户输送着光明与温暖。 上午9点，国网福建超高压公司闽粤换流站运维一班班长徐显烨与队员陈永福、梁嘉豪准时走进换流站 主控室。简短交接班后，他们背上工具包、拿上巡视卡，开启当天的设备特巡。 在这片相当于20个足球场大小的站区内，有上万台设备协同运行。任何细微隐患，都可能影响跨省电网 的安全稳定。 "天气冷，断路器气室容易漏气，得仔细检查压力表。"徐显烨一边叮嘱，一边与队员逐一查看气室状 态，确认运行正常后，将情况认真登记在巡检记录表上。 换流站内巡检完毕，大家又来到站外，手持 ...

Core Insights - The article highlights the impact of recent low-temperature, rain, and snow conditions on various regions in China, particularly in the southern areas where temperatures have dropped sharply, leading to increased demand for heating electricity [4] - The use of advanced technologies such as ice removal robots, snow-clearing robots, infrared temperature sensors, and various drones has been emphasized to ensure efficient and precise power supply maintenance during these adverse weather conditions [4] Group 1 - The low-temperature and icy weather has caused significant challenges for power supply stability, with some transmission lines experiencing ice accumulation [4] - The deployment of intelligent equipment, including ice removal robots and drones, is crucial for maintaining electricity supply and ensuring safety during extreme weather events [4] - The article indicates a surge in heating electricity demand due to the severe weather conditions affecting a large part of the country [4]

Group 1 - The article highlights the efforts of the State Grid Qinghai Electric Power Sanjiangyuan (Guoluo) Party Member Service Team in ensuring electrical safety during the winter peak season, emphasizing the importance of community outreach and education on safe electricity usage [1][2] - The team has been actively visiting various residential areas, schools, and hospitals in Guoluo Prefecture to distribute safety pamphlets and provide bilingual advice on winter electricity safety [1] - The service team is also conducting thorough inspections of power lines and substations, utilizing infrared thermometers and drones for detailed monitoring, especially in hard-to-reach areas [1][2] Group 2 - As of January, the Guoluo Prefecture has faced severe cold wave weather, leading to increased electrical load, making it critical to ensure the safety and reliability of the power supply [1] - The State Grid Guoluo Electric Power Company has completed special inspections of 37 important substations, 65 transmission lines, and over 30 distribution lines, successfully addressing 43 safety hazards [2] - The company emphasizes the role of party organizations in leading these efforts, viewing the winter supply guarantee as both a challenge and a test of the party's organizational strength and commitment to public service [2]

Core Insights - The infrared thermometer is widely used in various fields such as healthcare, equipment monitoring, electric vehicle battery monitoring, and food processing due to its non-contact, rapid, and convenient features [1] - The JIRS30 thermal flow sensor from Shenzhen Baiyuda Technology Co., Ltd. is transforming the measurement of core body temperature by effectively converting surface temperature and thermal flow measurements into core temperature data, enabling non-invasive, continuous, and real-time monitoring [1] Group 1 - Core temperature refers to the internal or central temperature of an object, which is often more indicative of the true thermodynamic or physiological state [2] - In medical contexts, rectal and oral temperatures are considered closer to core body temperature, providing a more accurate reflection of fever conditions [2] - In industrial applications, the internal temperature of a motor winding is more indicative of its workload and safety status than the surface temperature [2] Group 2 - Differences between surface and internal temperatures are influenced by factors such as thermal conductivity and environmental effects [3] - A dual-sensor system comprising a thermometer and a thermal flow sensor is required to measure core body temperature from the skin surface, as the skin temperature is lower than the internal temperature [3] - The thermal flow sensor must possess high sensitivity, low noise, and extremely low thermal drift characteristics to effectively convert skin temperature and thermal flow measurements into core temperature data [3] Group 3 - Traditional infrared sensors used in wearable devices have limitations, including the inability to measure core temperature, bulkiness, environmental sensitivity, and calibration challenges in mass production [6] - The JIRS30 thermal flow sensor addresses these issues by utilizing thermoelectric materials integrated into a flexible polymer substrate, significantly reducing costs and enabling widespread application in smart wearables and core body temperature monitoring [6]

Core Viewpoint - The Chinese government will ban the production of mercury thermometers and blood pressure monitors starting January 1, 2026, due to health and environmental concerns related to mercury toxicity [1][4][6]. Industry Impact - Many medical device manufacturers are currently experiencing a supply shortage of mercury thermometers as demand has surged in anticipation of the ban [1][3]. - Companies have been gradually reducing production of mercury thermometers since 2020, preparing for the transition to alternative products [6]. Health Concerns - Mercury is highly toxic and poses significant health risks, particularly to vulnerable populations such as children and pregnant women [4][5]. - The inhalation of mercury vapor can lead to severe health issues, including neurological damage and respiratory problems [4][5]. Alternatives to Mercury Products - The industry is shifting towards non-mercury alternatives, such as electronic thermometers and infrared thermometers, which have become widely accepted and are considered reliable [6][7]. - Recommendations for alternative products include infrared ear thermometers for children and electronic contact thermometers for the elderly, which provide accurate readings and are user-friendly [7].

Core Viewpoint - The production of mercury thermometers and blood pressure monitors will be banned in China starting January 1, 2026, in compliance with the Minamata Convention on Mercury and related regulations [1][2][9]. Regulatory Changes - The National Medical Products Administration (NMPA) has announced that from January 1, 2026, the production of mercury-containing thermometers and blood pressure monitors will be completely prohibited [2][9]. - Existing medical device registration certificates for mercury thermometers and blood pressure monitors will remain valid until their expiration, but renewal applications must be submitted before December 31, 2025 [2][8]. Market Impact - Despite the upcoming ban, mercury thermometers are still available in pharmacies, with prices ranging from 10 to 11 yuan [3][11]. - Sales of mercury thermometers have decreased, and pharmacies are considering replacing them with other temperature measurement tools, such as infrared thermometers [3][11]. Industry Trends - Medical professionals indicate that the withdrawal of mercury thermometers from the market is a natural progression due to safety concerns and the convenience of electronic thermometers [4][12]. - Electronic thermometers and infrared thermometers are becoming more prevalent, with advantages in speed and accuracy compared to mercury thermometers [4][12].

Core Points - Mercury thermometers will be banned from production starting January 1, 2026, as part of China's commitment to the Minamata Convention on Mercury [2][9][13] - The ban includes both mercury thermometers and mercury sphygmomanometers, reflecting a global trend towards safer medical devices [9][14] Group 1: Product Characteristics - Mercury thermometers are known for their high measurement accuracy due to the thermal expansion properties of mercury, making them sensitive to even slight temperature changes [3][8] - The price of mercury thermometers is relatively low, typically around 10 yuan, compared to electronic and infrared thermometers which can cost several tens to hundreds of yuan [5][8] Group 2: Health and Safety Concerns - Despite their accuracy, mercury thermometers pose significant health risks if broken, as mercury is a toxic heavy metal that can lead to acute mercury poisoning [7][8] - A standard mercury thermometer contains approximately 1 gram of mercury, which can significantly increase air mercury concentration if it breaks, posing a danger to health and the environment [7][8] Group 3: Market Trends - There has been a noticeable shortage of mercury thermometers in the market recently, indicating a shift in consumer preference towards electronic and infrared alternatives [5][8] - The transition away from mercury thermometers is seen as a necessary evolution in medical technology, with electronic thermometers offering comparable accuracy and greater convenience [8][9]