[{"data":1,"prerenderedAt":524},["ShallowReactive",2],{"guide-zh-jk-bms-not-charging":3,"guides-zh":396},{"id":4,"title":5,"body":6,"date":373,"description":374,"extension":375,"keywords":376,"meta":383,"navigation":384,"path":385,"related":386,"seo":392,"stem":393,"updated":394,"__hash__":395},"guides_zh\u002Fguides\u002Fjk-bms-not-charging.md","JK BMS 不充电或不放电：MOSFET 为什么关断",{"type":7,"value":8,"toc":358},"minimark",[9,13,18,21,43,52,59,63,152,163,174,180,184,263,274,285,296,299,310,314,327,330,335,338,342,345,349,352],[10,11,12],"p",{},"JK BMS 不充电或不放电，是因为它关断了充电 MOSFET 或放电 MOSFET，而这背后一定有原因。大多数情况下，是某节电芯到达了电压上限，某个温度限制正在生效，过流保护正在等待恢复时间，或者设置里的充电或放电开关根本就是关着的。先弄清楚是哪一种：在应用或实时监控中查看 MOSFET 状态和当前告警，然后只修改导致问题的那个设置。",[14,15,17],"h2",{"id":16},"先读取状态再动手修改","先读取状态，再动手修改",[10,19,20],{},"每块 JK BMS 都会报告你需要的三类信息：",[22,23,24,32,38],"ul",{},[25,26,27,31],"li",{},[28,29,30],"strong",{},"充电 MOSFET 和放电 MOSFET："," 开启还是关断。",[25,33,34,37],{},[28,35,36],{},"当前告警："," 此刻已经触发的保护。",[25,39,40],{},[28,41,42],{},"最高和最低单体电压、温度以及电流。",[10,44,45,46,51],{},"JK 应用在主界面上显示这些数据。在 ",[47,48,50],"a",{"href":49},"\u002F","JK Preset Studio"," 中，实时监控显示同样的数值，保存图表，并在保护触发时把状态标签变成黄色或红色，这样你能看到充电停止前一刻发生了什么。",[10,53,54],{},[55,56],"img",{"alt":57,"src":58},"JK Preset Studio 实时监控：顶部是电量、电池组电压、电流和单体压差，下方是各单体电压条和最近几分钟的实时图表","\u002Fscreenshots\u002Fmonitor.webp",[14,60,62],{"id":61},"jk-bms-为什么不充电","JK BMS 为什么不充电",[64,65,66,82],"table",{},[67,68,69],"thead",{},[70,71,72,76,79],"tr",{},[73,74,75],"th",{},"你看到的现象",[73,77,78],{},"可能原因",[73,80,81],{},"需要修改的地方",[83,84,85,97,108,119,130,141],"tbody",{},[70,86,87,91,94],{},[88,89,90],"td",{},"某节电芯达到或超过单体过压保护",[88,92,93],{},"单体过压保护",[88,95,96],{},"充电器电压、均衡、OVP 和 OVPR",[70,98,99,102,105],{},[88,100,101],{},"电池组电压高，各电芯一致",[88,103,104],{},"充电器电压高于电池组上限",[88,106,107],{},"充电器设置或单体过压保护",[70,109,110,113,116],{},[88,111,112],{},"电池组很冷，出现充电低温告警",[88,114,115],{},"充电低温保护",[88,117,118],{},"等待、加热或检查限值",[70,120,121,124,127],{},[88,122,123],{},"电池组或 MOS 过热",[88,125,126],{},"过温保护",[88,128,129],{},"散热、电流、温度限值",[70,131,132,135,138],{},[88,133,134],{},"出现充电过流告警",[88,136,137],{},"充电过流保护，然后等待恢复时间",[88,139,140],{},"充电器电流或充电电流限值",[70,142,143,146,149],{},[88,144,145],{},"没有告警，充电 MOSFET 关断",[88,147,148],{},"设置中的充电开关被关闭",[88,150,151],{},"打开充电 MOSFET 开关",[10,153,154,157,158,162],{},[28,155,156],{},"单体过压。"," 最常见的情况。某节电芯跑在前面，达到单体过压保护，在其他电芯还没充满时就让整组停止充电。解决办法很少是调高 OVP：需要的是与电芯数量匹配的充电器电压、更早开始工作的均衡器，以及明显低于 OVP 的恢复电压（OVPR）。",[47,159,161],{"href":160},"\u002Fguides\u002Fjk-bms-cell-overcharge-protection-tripping","过充保护指南","一步步讲解了这个问题。",[10,164,165,168,169,173],{},[28,166,167],{},"温度。"," 锂电芯不能在零度以下充电，所以 BMS 会在低于充电低温限值时禁止充电。这是正确的行为，不是故障。",[47,170,172],{"href":171},"\u002Fguides\u002Fjk-bms-temperature-heating-settings","温度与加热指南","解释了各项限值和加热器。",[10,175,176,179],{},[28,177,178],{},"过流。"," 如果充电器提供的电流超过充电过流保护限值，且持续时间超过延时，BMS 会切断并等待恢复时间（通常为 60 秒）后再尝试。大功率逆变器的充电器可能会一次又一次地触发它。",[14,181,183],{"id":182},"jk-bms-为什么不放电","JK BMS 为什么不放电",[64,185,186,196],{},[67,187,188],{},[70,189,190,192,194],{},[73,191,75],{},[73,193,78],{},[73,195,81],{},[83,197,198,209,220,231,241,252],{},[70,199,200,203,206],{},[88,201,202],{},"某节电芯达到或低于单体欠压保护",[88,204,205],{},"单体欠压保护",[88,207,208],{},"给电池组充电，检查弱电芯",[70,210,211,214,217],{},[88,212,213],{},"出现放电过流告警",[88,215,216],{},"放电过流保护，然后等待恢复时间",[88,218,219],{},"负载、放电限值、延时",[70,221,222,225,228],{},[88,223,224],{},"一接上负载输出就断开",[88,226,227],{},"短路保护或冲击电流",[88,229,230],{},"预充、短路保护延时、接线",[70,232,233,236,238],{},[88,234,235],{},"MOS 或电池组过热",[88,237,126],{},[88,239,240],{},"散热、电流",[70,242,243,246,249],{},[88,244,245],{},"没有告警，放电 MOSFET 关断",[88,247,248],{},"设置中的放电开关被关闭",[88,250,251],{},"打开放电 MOSFET 开关",[70,253,254,257,260],{},[88,255,256],{},"BMS 全黑，没有蓝牙",[88,258,259],{},"休眠或自动关机电压",[88,261,262],{},"唤醒或充电",[10,264,265,268,269,273],{},[28,266,267],{},"欠压。"," 当最低的电芯达到单体欠压保护时，放电停止，直到它恢复到 UVPR。如果总是同一节电芯最先到达，而其他电芯还电量充足，那这节电芯就是弱电芯。",[47,270,272],{"href":271},"\u002Fguides\u002Fjk-bms-weak-cell-log","弱电芯指南","介绍了如何在日志中找到它。",[10,275,276,279,280,284],{},[28,277,278],{},"过流与短路。"," 超过放电过流保护限值的负载会在延时后触发保护，并在恢复时间后解除。逆变器的电容在接入瞬间可能吸取巨大的电流，看起来就像短路。",[47,281,283],{"href":282},"\u002Fguides\u002Fjk-bms-ocp-scp-settings","OCP 与 SCP 指南","给出了安全的数值。",[10,286,287,290,291,295],{},[28,288,289],{},"休眠与关机。"," 处于休眠的 BMS 会关闭一切输出。",[47,292,294],{"href":293},"\u002Fguides\u002Fjk-bms-smart-sleep","智能休眠指南","解释了何时会休眠以及如何唤醒。",[14,297,298],{"id":298},"没人检查的两个开关",[10,300,301,302,305,306,309],{},"设置中有一个",[28,303,304],{},"充电 MOSFET"," 开关和一个",[28,307,308],{},"放电 MOSFET"," 开关。只要其中一个关闭，BMS 就会完全禁止该方向，而且不显示任何告警。它们可能在应用中被误关，被导入的设置文件关闭，或者被通过 RS485 或 CAN 控制 BMS 的逆变器关闭。在排查更复杂的问题之前，先读取设置并检查这两个开关。",[14,311,313],{"id":312},"在-detail-log-中找原因","在 Detail Log 中找原因",[10,315,316,317,321,322,326],{},"如果停止发生时你没有在看，就从 JK 应用中导出 Detail Log，并在",[47,318,320],{"href":319},"\u002Flogs","日志分析","中打开。它会把每次触发与对应的解除配对，在时间轴上显示 MOSFET 状态，并指出每项保护背后对应的设置。",[47,323,325],{"href":324},"\u002Fguides\u002Fjk-bms-reboots-power-events","重启与电源事件指南","逐行解释了 CHG 和 DSG 两列。",[14,328,329],{"id":329},"常见问题",[331,332,334],"h3",{"id":333},"为什么我的-jk-bms-能充电却不能放电","为什么我的 JK BMS 能充电却不能放电？",[10,336,337],{},"放电 MOSFET 被关断了。检查是否有欠压、放电过流或温度告警，然后确认设置中的放电 MOSFET 开关是打开的。来自逆变器的远程指令也可能把它关闭。",[331,339,341],{"id":340},"jk-bms-过流后会关断多久","JK BMS 过流后会关断多久？",[10,343,344],{},"关断时长等于该保护设置的恢复时间，充电和放电过流保护通常为 60 秒。如果重新开启时电流仍然过大，保护会再次触发。",[331,346,348],{"id":347},"为什么电芯还没充满jk-bms-就不充电了","为什么电芯还没充满，JK BMS 就不充电了？",[10,350,351],{},"很可能是某节电芯比其他电芯更早达到单体过压保护。请看最高的那节电芯，而不是电池组电压。解决办法是均衡和更低的充电器电压，而不是更高的 OVP。",[10,353,354,357],{},[47,355,356],{"href":49},"连接你的 BMS","，一次读出 MOSFET 状态、告警和全部设置。",{"title":359,"searchDepth":360,"depth":360,"links":361},"",3,[362,364,365,366,367,368],{"id":16,"depth":363,"text":17},2,{"id":61,"depth":363,"text":62},{"id":182,"depth":363,"text":183},{"id":298,"depth":363,"text":298},{"id":312,"depth":363,"text":313},{"id":329,"depth":363,"text":329,"children":369},[370,371,372],{"id":333,"depth":360,"text":334},{"id":340,"depth":360,"text":341},{"id":347,"depth":360,"text":348},"2026-10-14","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。","md",[377,378,379,380,381,382],"jk bms 不充电","jk bms 不放电","jk bms 充不进电","jk bms 充电停止","jk bms 没有输出","jk bms 充电 mosfet 关断",{},true,"\u002Fguides\u002Fjk-bms-not-charging",[387,388,389,390,391],"jk-bms-cell-overcharge-protection-tripping","jk-bms-ocp-scp-settings","jk-bms-temperature-heating-settings","jk-bms-weak-cell-log","jk-bms-reboots-power-events",{"title":5,"description":374},"guides\u002Fjk-bms-not-charging",null,"Vs8VUyX6SmehzduPX_atGZrQj1h-cYua9oOWM972xxA",[397,401,405,409,413,417,421,422,426,430,434,437,442,446,450,454,457,462,467,472,475,479,483,487,491,495,498,502,506,509,513,517,520],{"path":398,"title":399,"description":400,"date":373,"updated":394},"\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":402,"title":403,"description":404,"date":373,"updated":394},"\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":406,"title":407,"description":408,"date":373,"updated":394},"\u002Fguides\u002Fjk-bms-calibration","JK BMS 电压和电流校准：正确的做法","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。",{"path":410,"title":411,"description":412,"date":373,"updated":394},"\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":414,"title":415,"description":416,"date":373,"updated":394},"\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":418,"title":419,"description":420,"date":373,"updated":394},"\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":385,"title":5,"description":374,"date":373,"updated":394},{"path":423,"title":424,"description":425,"date":373,"updated":394},"\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":427,"title":428,"description":429,"date":373,"updated":394},"\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":431,"title":432,"description":433,"date":373,"updated":394},"\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":293,"title":435,"description":436,"date":373,"updated":394},"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":438,"title":439,"description":440,"date":441,"updated":394},"\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":443,"title":444,"description":445,"date":441,"updated":394},"\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":447,"title":448,"description":449,"date":441,"updated":394},"\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":451,"title":452,"description":453,"date":441,"updated":394},"\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":171,"title":455,"description":456,"date":441,"updated":394},"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":458,"title":459,"description":460,"date":461,"updated":394},"\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":463,"title":464,"description":465,"date":466,"updated":394},"\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":468,"title":469,"description":470,"date":471,"updated":466},"\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":160,"title":473,"description":474,"date":471,"updated":394},"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":476,"title":477,"description":478,"date":471,"updated":466},"\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":480,"title":481,"description":482,"date":471,"updated":466},"\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":484,"title":485,"description":486,"date":471,"updated":466},"\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":488,"title":489,"description":490,"date":471,"updated":394},"\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":492,"title":493,"description":494,"date":471,"updated":466},"\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":282,"title":496,"description":497,"date":471,"updated":466},"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":499,"title":500,"description":501,"date":471,"updated":466},"\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":503,"title":504,"description":505,"date":471,"updated":466},"\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":324,"title":507,"description":508,"date":471,"updated":466},"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":510,"title":511,"description":512,"date":471,"updated":466},"\u002Fguides\u002Fjk-bms-sending-failure","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":514,"title":515,"description":516,"date":471,"updated":461},"\u002Fguides\u002Fjk-bms-soc-calibration","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":271,"title":518,"description":519,"date":471,"updated":394},"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":521,"title":522,"description":523,"date":471,"updated":466},"\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。",1791980014867]