工作模块二:交流充电系统维护及检修
工作任务3:高压配电系统总成维护及检修
【任务实施】
任务要求:
1. 请4-5人组成学习小组,并进行分工:操作员、安全员、观察员,协作完成高压配电系统总成维护及检修任务训练。
岗位 | 岗位职责 |
|---|
指导员
| 负责指导操作员的操作细节、规范 |
操作员 | 1. 按照工作过程完成高压配电系统总成维护及检修实操、填写工作表。 2. 实操结束后,记录高压配电系统总成维护及检修信息数据,并填写《高压配电系统总成维护及检修实训报告》中的“实训总结”。 |
安全员 | 认真地观察操作员的操作,将操作安全监督情况记录并反馈在《实训安全监督表》中。 |
观察员 | 观察并记录操作员的操作步骤、内容和注意事项等。 |
其余1名学员 | 完成《高压配电系统总成维护及检修》中的“知识储备”,做好操作准备。 |
2. 可借助微课视频,观察示范操作过程,小组协作反复练习,达到熟练、规范、正确操作的程度。
3. 将操作过程记录在《实训报告》的“工作表中”,项目学习结束后,完善并提交实训报告给指导老师。
3. 完成任务的相关材料(含知识储备、工作表、实训总结、项目评价表):
【任务实施步骤】
维护及检修高压配电系统步骤
|
|---|
检查项目 | 检查子项目 | 检查内容 | 操作步骤 | 正常情况 |
高压配电系统总成维护及检修 |
高压配电系统总成外观
| 高压配电系统总成壳体 | 使用手电筒查看是否有明显碰撞磕碰痕迹,外壳有无变形及破损等问题 | 壳体完好无损 |
线束、连接情况检查 | 检查线束是否存在破损、压迫、缠绕等情况存在; 检查线束与高压配电系统总成连接是否牢固。 | 线束外观完好,连接牢固 |
高压配电系统总成安装情况检查 | 用手摇动高压配电系统总成,检查安装是否牢固,使用工具检查固定螺栓的紧固情况 | 总成无晃动、螺栓安装牢固
|
高压配电系统总成绝缘检查 | 接T18车载充电机(OBC)插座的B+/B-对总成壳体绝缘 | 使用绝缘电阻表打到500V档位,分别测量 接T18车载充电机(OBC)插座的B+/B-接线口对总成壳体的绝缘值 | 测得的绝缘值应≥2MΩ |
接T6电源逆变器模块(DC/DC)插座的B+/B-对总成壳体绝缘 | 使用绝缘电阻表打到500V档位,分别测量接T6电源逆变器模块(DC/DC)插座的B+/B-接线口对总成壳体的绝缘值 | 测得的绝缘值应≥2MΩ |
接E40电子辅助加热器PTC插座的B+/B-对总成壳体绝缘 | 使用绝缘电阻表打到500V档位,分别测量接E40电子辅助加热器PTC插座的B+/B-接线口对总成壳体的绝缘值 |
测得的绝缘值应≥2MΩ
|
接A4蓄电池组插座的B+/B-对总成壳体绝缘 | 使用绝缘电阻表打到500V档位,分别测量接A4蓄电池组插座的B+/B-接线口对总成壳体绝缘 |
测得的绝缘值应≥2MΩ
|
接E1002压缩机控制模块插座的B+/B-对总成壳体绝缘 | 使用绝缘电阻表打到500V档位,分别测量接E1002压缩机控制模块插座的B+/B-接线口对总成壳体绝缘
|
测得的绝缘值应≥2MΩ
|
接T1直流/交流(DC/AC)电源逆变器模块插座的B+/B-对总成壳体绝缘 |
使用绝缘电阻表打到500V档位,分别测量接T1直流/交流(DC/AC)电源逆变器模块插座的B+/B-接线口对总成壳体绝缘 |
测得的绝缘值应≥2MΩ
|
⭐“一秒一公里”——液冷超充技术
"One kilometer per second" - Liquid-cooled Supercharging Technology
10月4日,华为官方宣布,由华为数字能源助力打造的318川藏超充绿廊的多个全液冷超充站正式上线。这条318川藏超充绿廊运用华为全液冷超充技术最大充电功率达到600KW,最大电流600A,并且能在200-1000V充电范围匹配所有车型,可为新能源车主提供“一杯咖啡,满电出发”的充电体验。
On October 4th, Huawei officially announced that multiple fully liquid-cooled supercharging stations of the 318 Sichuan-Tibet Supercharging Green Corridor, facilitated by Huawei Digital Energy, were officially launched. This 318 Sichuan-Tibet Supercharging Green Corridor utilizes Huawei's fully liquid-cooled supercharging technology with a maximum charging power of 600KW, a maximum current of 600A, and is capable of matching all vehicle models within the charging range of 200-1000V, providing new energy vehicle owners with a charging experience of "a cup of coffee and a fully charged departure".
液冷超充技术,一种将液体冷却系统应用于电动汽车充电过程中的新能源技术。其主要原理是通过引入液冷系统,冷却电动汽车充电过程中产生的热量,提高充电效率和速度。
Liquid-cooled supercharging technology is a new energy technology that applies a liquid cooling system to the charging process of electric vehicles. Its main principle is to introduce a liquid cooling system to cool the heat generated during the charging process of electric vehicles and improve the charging efficiency and speed.
全液冷超充站,实现了以下三大优势:
Fully liquid-cooled supercharging stations have achieved the following three major advantages:
一是充电快:最大输出功率600kW,最大电流600A,号称“一秒一公里”。对比来看,特斯拉V3超充桩的峰值功率达250kW;小鹏S4的超快充桩,其峰值功率最高可达480kW。再来看国内其他车企(下图1),从电压角度看都到了800V,但从功率输出角度看还没有一家能够做到600KW。
The first advantage is fast charging: The maximum output power is 600kW and the maximum current is 600A, known as "one kilometer per second". In contrast, the peak power of Tesla's V3 supercharging pile reaches 250kW; for Xiaopeng's S4 super-fast charging pile, its peak power can reach up to 480kW at most. Looking at other domestic automakers (Figure 1 below), although the voltage has reached 800V, none of them can achieve 600KW in terms of power output.

二是全液冷设计:相比传统的充电方案可靠性提升1倍,相同工况下市电利用率提升30%,使用寿命15年以上等。三是匹配所有车型,来车即充:一次充电成功率高达99%,200-1000V充电范围匹配所有车型。包括特斯拉、小鹏、理想等乘用车及货拉拉等商用车,率先做到“来车即充,即充即走”。
The second is the fully liquid-cooled design: Compared with the traditional charging solution, the reliability is doubled, the utilization rate of mains electricity under the same working conditions is increased by 30%, and the service life is more than 15 years, etc. The third is that it is compatible with all vehicle models and can charge immediately upon arrival: The success rate of a single charging is as high as 99%, and the charging range of 200-1000V is compatible with all vehicle models. Including passenger vehicles such as Tesla, Xiaopeng, and Li Auto, as well as commercial vehicles such as Lalamove, it takes the lead in achieving "charge immediately upon arrival and leave immediately after charging".
华为的液冷超充技术是一项具有重大意义和广泛应用的技术,发展前景非常广阔。随着电池技术的不断进步和新能源汽车的逐渐普及,我们可以期待华为在未来的技术发展中能够继续为人类带来更多的创新和便利。
Huawei's liquid-cooled supercharging technology is a technology of great significance and wide application, and has a very broad development prospect. With the continuous progress of battery technology and the gradual popularization of new energy vehicles, we can expect that Huawei will continue to bring more innovations and conveniences to mankind in the future technological development.
守标准 —— 精益求精,安全意识
❤ 恪尽职守,一丝不苟 ❤