[{"data":1,"prerenderedAt":371},["ShallowReactive",2],{"guide-zh-jk-bms-calibration":3,"guides-zh":239},{"id":4,"title":5,"body":6,"date":217,"description":218,"extension":219,"keywords":220,"meta":227,"navigation":228,"path":229,"related":230,"seo":235,"stem":236,"updated":237,"__hash__":238},"guides_zh\u002Fguides\u002Fjk-bms-calibration.md","JK BMS 电压和电流校准：正确的做法",{"type":7,"value":8,"toc":200},"minimark",[9,13,18,21,29,57,60,75,78,92,95,98,112,115,119,122,153,156,159,162,170,173,178,181,185,188,192,195],[10,11,12],"p",{},"JK BMS 校准用来修正 BMS 测得的总电压和电流。用可靠的仪表测出真实值，在 JK App 的 Calibrating Voltage 或 Calibrating Current 中输入，再点旁边的设置按钮即可。只有读数明显不准时才需要校准，要使用稳定的参考值，电流要在稳定负载下校准。大多数“校准不成功”的情况，都是因为输入的值是 BMS 当时根本看不到的。",[14,15,17],"h2",{"id":16},"校准能做什么不能做什么","校准能做什么，不能做什么",[10,19,20],{},"官方说明书对两项功能各用一句话说明：当 BMS 采集的总电压与实际总电压有偏差时，填入实测电压并点设置；当测得电流与实际电流有偏差时，填入实际电流并点设置。",[10,22,23,24,28],{},"校准",[25,26,27],"strong",{},"不能","解决的问题：",[30,31,32,45,51],"ul",{},[33,34,35,38,39,44],"li",{},[25,36,37],{},"荷电状态不准。"," SOC 是根据容量设置对电流随时间累计得出的。容量设置错误或长期没有充满，造成的偏差远大于小小的电流误差。请先看 ",[40,41,43],"a",{"href":42},"\u002Fguides\u002Fjk-bms-soc-calibration","SOC 校准","。",[33,46,47,50],{},[25,48,49],{},"单节电芯读数。"," 电压校准缩放的是总电压。某一节电芯读数不准，通常是均衡线或接触问题。",[33,52,53,56],{},[25,54,55],{},"与逆变器读数不一致。"," 逆变器在自己的端子上测量，中间隔着线缆和保险丝。相差零点几伏是正常的。",[14,58,59],{"id":59},"校准之前",[61,62,63,66,69,72],"ol",{},[33,64,65],{},"使用你信得过的仪表。误差 0.5% 的廉价万用表只会越校越差。",[33,67,68],{},"在 BMS 处测量：总电压测 B+ 与 B- 之间，电流用钳形表夹主线或用分流器。",[33,70,71],{},"在稳定状态下对比。测电压时，静置几分钟，不充不放。测电流时，用不跳变的稳定负载。",[33,73,74],{},"记下 BMS 读数和你的读数。电压相差小于约 0.3% 时，就不要动它。",[14,76,77],{"id":77},"如何校准电压",[61,79,80,83,86,89],{},[33,81,82],{},"让电池静置几分钟。",[33,84,85],{},"测量 B+ 和 B- 之间的总电压。",[33,87,88],{},"在 JK App 中把这个值填入 Calibrating Voltage，点旁边的设置按钮。",[33,90,91],{},"确认 App 中的总电压现在与仪表一致。",[10,93,94],{},"有些逆变器用户会故意填一个略高的值，好让逆变器达到它自己的充满电压。但这样会让 BMS 所有基于电压的判断一起偏移，所以我们更建议直接修改逆变器的充电电压。",[14,96,97],{"id":97},"如何校准电流",[61,99,100,103,106,109],{},[33,101,102],{},"施加一个稳定且已知的电流：恒定负载，或处于恒流模式的充电器。像小功率运行的逆变器这类脉冲负载，不能作为参考。",[33,104,105],{},"用钳形表或分流器测量电流。",[33,107,108],{},"把测得的值填入 Calibrating Current，点设置。",[33,110,111],{},"换一个电流再检查读数。如果一个点准、另一个点不准，问题就不在校准。",[10,113,114],{},"用户反馈，较新的固件还提供零电流校准，适用于什么都没接时 BMS 仍显示一个小电流的情况。",[14,116,118],{"id":117},"为什么校准会出现-sending-failure","为什么校准会出现 Sending failure",[10,120,121],{},"论坛反馈指向以下几个原因：",[30,123,124,130,136,142],{},[33,125,126,129],{},[25,127,128],{},"输入值与 BMS 测得的值相差太远。"," 有用户发现，当参考值高于 BMS 当时看到的电流时会被拒绝。请在 BMS 确实看到你输入的电流时再校准。",[33,131,132,135],{},[25,133,134],{},"没有电流流过。"," 空载时校准电流，没有可缩放的对象。",[33,137,138,141],{},[25,139,140],{},"有其他故障在生效。"," 有一例在电芯数量告警存在期间校准一直失败。请先清除告警。",[33,143,144,147,148,152],{},[25,145,146],{},"通用原因。"," 固件会在收到每个值时进行检查。我们的 ",[40,149,151],{"href":150},"\u002Fguides\u002Fjk-bms-sending-failure","Sending failure 指南","针对普通设置解释了这一点。",[14,154,155],{"id":155},"接逆变器时放电电流偏大",[10,157,158],{},"接逆变器时，BMS 上的放电电流常常比分流器测得的大。逆变器以脉冲方式取电，采样很快的 BMS 读到这些峰值的方式，与做平均的仪表不同。不要试图在单一负载下把它校准掉。请在多个负载下对比，接受一点差异，或另装一个分流器专门统计电量。",[14,160,161],{"id":161},"检查结果",[10,163,164,165,169],{},"校准在 JK App 中完成，因为它是一条命令，而不是保存的设置，所以我们的编辑器不会发送它。你可以在浏览器里检查结果：",[40,166,168],{"href":167},"\u002F","连接你的 BMS","，打开实时监控，它会记录电压、电流和功率随时间的变化。接上一个已知负载，把曲线和你的仪表对比。",[14,171,172],{"id":172},"常见问题",[174,175,177],"h3",{"id":176},"新的-jk-bms-需要校准吗","新的 JK BMS 需要校准吗？",[10,179,180],{},"通常不需要。只有可靠仪表显示出明显差异，例如电压相差远超 0.3%，或电流误差在不同负载下都一样时，才去校准。",[174,182,184],{"id":183},"为什么什么都没接jk-bms-还显示有电流","为什么什么都没接，JK BMS 还显示有电流？",[10,186,187],{},"几百毫安的小偏移很常见。如果你的固件有零电流校准，在全部断开时执行一次。否则这么小的偏移可以忽略。",[174,189,191],{"id":190},"校准能修正不准的-soc-吗","校准能修正不准的 SOC 吗？",[10,193,194],{},"很少。SOC 误差大多来自容量设置错误或长期没有充满。先解决这些问题，只有电流明显不准时才去校准。",[10,196,197,199],{},[40,198,168],{"href":167},"，长期对比它的读数和你的仪表。",{"title":201,"searchDepth":202,"depth":202,"links":203},"",3,[204,206,207,208,209,210,211,212],{"id":16,"depth":205,"text":17},2,{"id":59,"depth":205,"text":59},{"id":77,"depth":205,"text":77},{"id":97,"depth":205,"text":97},{"id":117,"depth":205,"text":118},{"id":155,"depth":205,"text":155},{"id":161,"depth":205,"text":161},{"id":172,"depth":205,"text":172,"children":213},[214,215,216],{"id":176,"depth":202,"text":177},{"id":183,"depth":202,"text":184},{"id":190,"depth":202,"text":191},"2026-10-14","如何校准 JK BMS 的电压和电流：测量什么、输入什么数值、为什么校准会出现 Sending failure，以及什么时候不该校准。","md",[221,222,223,224,225,226],"jk bms 校准","jk bms 电流校准","jk bms 电压校准","jk bms calibrating current","jk bms calibrating voltage","jk bms 校准发送失败",{},true,"\u002Fguides\u002Fjk-bms-calibration",[231,232,233,234],"jk-bms-soc-calibration","jk-bms-sending-failure","jk-bms-first-setup","jk-bms-soc-stuck-at-99",{"title":5,"description":218},"guides\u002Fjk-bms-calibration",null,"GR1iQeT-cfYzMq6D5vVgu8tw2Ghlipv3HKN1U9HN5bE",[240,244,248,249,253,257,261,265,269,273,277,281,286,290,294,298,302,307,312,317,321,325,329,333,337,341,345,349,353,357,360,363,367],{"path":241,"title":242,"description":243,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-app-alternative","JK BMS app 替代方案：在电脑或浏览器中修改设置","在找 JK BMS app 的替代方案？对比 JK app、电脑软件、ESPHome，以及一个通过蓝牙读取和写入设置的浏览器编辑器。",{"path":245,"title":246,"description":247,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-bluetooth-not-connecting","JK BMS 蓝牙连不上：真正有效的排查方法","JK BMS 蓝牙连不上或搜不到？按顺序排查：休眠、其他应用占用连接、手机权限、距离和浏览器支持。",{"path":229,"title":5,"description":218,"date":217,"updated":237},{"path":250,"title":251,"description":252,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-error-codes","JK BMS 错误代码：显示屏和指示灯在告诉你什么","JK BMS 错误代码详解：Err 数字、ALM 指示灯和 App 告警的含义，用户已对应到真实故障的代码，以及如何找到原因。",{"path":254,"title":255,"description":256,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-firmware","JK BMS 固件：V15 与 V19 的区别及安全升级方法","JK BMS 固件详解：如何查看硬件和软件版本，V11 到 V15、V19 有哪些变化，以及如何升级而不把 BMS 刷坏。",{"path":258,"title":259,"description":260,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-first-setup","新 JK BMS 如何设置：首次启动分步指南","正确设置新 JK BMS：接线顺序、首次开机、密码、电芯数量、化学体系预设、电流限制，以及通过蓝牙校验写入。",{"path":262,"title":263,"description":264,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-not-charging","JK BMS 不充电或不放电：MOSFET 为什么关断","JK BMS 不充电或不放电？找出是哪项保护或开关关断了 MOSFET，如何区分各种原因，以及每种原因该改哪个设置。",{"path":266,"title":267,"description":268,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-not-turning-on","JK BMS 不开机：如何启动和唤醒保护板","JK BMS 不开机？了解如何用充电器或按键激活新板、从休眠中唤醒，以及排查让它毫无反应的接线错误。",{"path":270,"title":271,"description":272,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-precharge","JK BMS 预充电：避免逆变器启动时打火和短路保护","JK BMS 预充电有什么作用，逆变器电容为何会触发短路保护，如何设置预充时间，以及什么时候仍然需要预充电阻。",{"path":274,"title":275,"description":276,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-reset","JK BMS 如何复位：SOC、容量、告警和设置","JK BMS 如何复位：SOC、容量、不消失的告警或全部设置，循环次数到底是什么，以及为什么复位前一定要先备份。",{"path":278,"title":279,"description":280,"date":217,"updated":237},"\u002Fguides\u002Fjk-bms-smart-sleep","JK BMS 智能休眠：休眠电压和休眠时间的作用","JK BMS 智能休眠的作用，休眠电压与休眠时间如何配合，如何唤醒休眠的 BMS，以及家用储能和房车该用什么数值。",{"path":282,"title":283,"description":284,"date":285,"updated":237},"\u002Fguides\u002Fjk-bms-alarms-list","JK BMS 告警列表：每个告警的含义、原因和处理方法","一张表看懂 JK BMS 全部告警：含义、常见诱因和对应设置，从单体过压、MOS 过温到均衡线电阻。","2026-10-12",{"path":287,"title":288,"description":289,"date":285,"updated":237},"\u002Fguides\u002Fjk-bms-inverter-communication","JK 储能 BMS 与逆变器通讯：Deye、Victron 和 Growatt 设置","通过 CAN 或 RS485 把 JK 储能 BMS 接到 Deye、Victron 或 Growatt：协议编号、端口模式、拨码地址、线序和逆变器端设置。",{"path":291,"title":292,"description":293,"date":285,"updated":237},"\u002Fguides\u002Fjk-bms-model-number-explained","JK BMS 型号含义：B2A8S20P、PB2A16S20P 等怎么读","读懂 JK BMS 型号：系列、均衡电流、串数和额定电流，以及 -H、-HC、-R 后缀代表的加热、CAN 和 RS485。",{"path":295,"title":296,"description":297,"date":285,"updated":237},"\u002Fguides\u002Fjk-bms-parallel-batteries","JK BMS 电池包并联：接线、拨码地址和参数设置","多个 JK 储能 BMS 电池包并联：汇流排接线、RS485-2 并联通信、拨码地址、主机设置、统一参数和电流限制。",{"path":299,"title":300,"description":301,"date":285,"updated":237},"\u002Fguides\u002Fjk-bms-temperature-heating-settings","JK BMS 温度与加热设置：磷酸铁锂的安全数值","设置 JK BMS 充放电温度保护、MOS 过温和加热功能。为什么出厂 -20 °C 不适合磷酸铁锂，以及该改成多少。",{"path":303,"title":304,"description":305,"date":306,"updated":237},"\u002Fguides\u002Fjk-bms-soc-stuck-at-99","JK BMS SOC 卡在 99%：为什么到不了 100% 以及解决方法","JK BMS 的 SOC 一直停在 99%，始终不显示 100%？了解充电结束时 BMS 在等什么、六个常见原因，以及能解决问题的设置。","2026-10-07",{"path":308,"title":309,"description":310,"date":311,"updated":237},"\u002Fguides\u002Fjk-bms-bluetooth-browser","在浏览器中通过蓝牙修改 JK BMS 设置","在 Chrome 或 Edge 中连接 JK BMS，读取全部设置，应用预设，再按安全顺序写回并逐项回读校验。无需 JK app。","2026-10-04",{"path":313,"title":314,"description":315,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-balance-settings","JK BMS 均衡设置：均衡启动电压、触发压差和均衡电流","详解 JK BMS 均衡设置：均衡启动电压、均衡触发压差、最大均衡电流和均衡开关，适用于磷酸铁锂、三元和钛酸锂。","2026-10-02",{"path":318,"title":319,"description":320,"date":316,"updated":237},"\u002Fguides\u002Fjk-bms-cell-overcharge-protection-tripping","JK BMS 单体过充保护反复触发：原因与解决方法","JK BMS 单体过充保护每分钟触发又解除？了解充电器设得过高为何导致这种情况、如何与弱单体区分，以及怎样解决。",{"path":322,"title":323,"description":324,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-detail-log","如何导出并读懂 JK-BMS 详细日志（Detail Log）","JK-BMS 详细日志包含什么、如何从 app 导出、如何读懂其中的事件，以及日志分析页能告诉你哪些保护动作和故障信息。",{"path":326,"title":327,"description":328,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-export-import-settings","JK BMS 设置导出与导入：.jkcfg 文件完全指南","如何用 JK BMS app 导出和导入保护板设置，.jkcfg 文件里有什么，为什么手动改会损坏，以及如何在浏览器里安全编辑。",{"path":330,"title":331,"description":332,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-lifepo4-settings","磷酸铁锂 JK BMS 参数设置：8S、16S，280Ah 与 314Ah 电芯","磷酸铁锂电池组的 JK BMS 参数设置：8S 和 16S、280Ah 与 314Ah 电芯的单体电压、均衡、电流和温度推荐值，分三种损耗等级。",{"path":334,"title":335,"description":336,"date":316,"updated":237},"\u002Fguides\u002Fjk-bms-log-messages-explained","JK BMS 日志消息详解：Boot、Time calibration、保护","每条 JK BMS 日志消息的含义：Boot、Time calibration、APP open charge、保护触发与解除，以及 Discharge On Failed。",{"path":338,"title":339,"description":340,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-nmc-lto-settings","JK BMS 三元锂与钛酸锂设置：安全的单体参数","JK BMS 三元锂 NMC 与钛酸锂 LTO 电池组设置：单体过压、欠压、均衡、温度和倍率的三档数值，以及编辑器如何识别电芯类型。",{"path":342,"title":343,"description":344,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-ocp-scp-settings","JK BMS 过流保护设置：OCP 与 SCP 参数指南","详解 JK BMS 过流保护设置：充放电 OCP 电流上限、延时、恢复时间与短路保护 SCP，附推荐范围和逆变器选型方法。",{"path":346,"title":347,"description":348,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-parameters-explained","JK BMS 参数详解：按分组逐项讲解每个设置","一篇看懂 JK BMS 参数：单体 OVP、OVPR、UVP、UVPR、均衡、SOC、RCV 与 RFV、电流和温度保护，附磷酸铁锂常用范围。",{"path":350,"title":351,"description":352,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-password","JK BMS 密码：默认密码、修改与重置指南","JK BMS 的密码其实有两个：蓝牙连接密码和设置密码。本文介绍出厂默认值、修改方法、密码无效时的排查，以及忘记密码怎么办。",{"path":354,"title":355,"description":356,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-reboots-power-events","JK BMS 重启与充电 MOS 关闭：在日志中读懂电源事件","JK BMS 重启，或充电 MOS 自己关闭？学会读懂详细日志中的 Boot 行和 MOS 状态，分清正常重启与真正的故障。",{"path":150,"title":358,"description":359,"date":316,"updated":311},"JK BMS 发送失败（Sending failure）：原因与逐步解决方法","JK BMS 导入设置时提示发送失败？了解固件拒绝参数的原因（电压顺序链、写入顺序、短路延时），并按步骤解决。",{"path":42,"title":361,"description":362,"date":316,"updated":306},"JK BMS SOC 校准：解决电量漂移、跳变和复位问题","JK BMS SOC 校准详解：SOC 为什么会漂移或跳变，SOC-100% 电压和 SOC-0% 电压的作用，以及如何设置并重新校准电池组。",{"path":364,"title":365,"description":366,"date":316,"updated":237},"\u002Fguides\u002Fjk-bms-weak-cell-log","用 JK BMS 日志找出弱单体：触发、压差与均衡","在 JK BMS 详细日志中找出弱单体：哪节单体先触发、触发时压差有多大，以及这是均衡漂移还是单体已损坏。",{"path":368,"title":369,"description":370,"date":316,"updated":311},"\u002Fguides\u002Fjk-bms-wire-resistance","JK BMS 线阻：均衡线阻异常报警的排查与修复","JK BMS 线阻详解：均衡线阻异常报警的含义、正常数值范围、常见原因，以及如何修好一根有问题的均衡线。",1791980014386]