[{"data":1,"prerenderedAt":495},["ShallowReactive",2],{"guide-zh-jk-bms-temperature-heating-settings":3,"guides-zh":412},{"id":4,"title":5,"body":6,"date":391,"description":392,"extension":393,"keywords":394,"meta":401,"navigation":402,"path":403,"related":404,"seo":408,"stem":409,"updated":410,"__hash__":411},"guides_zh\u002Fguides\u002Fjk-bms-temperature-heating-settings.md","JK BMS 温度与加热设置：磷酸铁锂的安全数值",{"type":7,"value":8,"toc":376},"minimark",[9,13,17,205,208,211,214,217,234,237,240,243,246,283,286,289,292,295,298,307,310,335,351,354,359,362,366,369,373],[10,11,12],"p",{},"温度设置决定 JK BMS 在电芯过热或过冷时何时拒绝充电或放电。这些设置很容易被忽略，而且部分出厂值对磷酸铁锂并不安全。最重要的一点：很多 BMS 出厂时 Charge UTP 为 -20 °C。在 0 °C 以下给磷酸铁锂充电会在负极析锂，对电芯造成永久损伤。请在第一个冬天到来之前改掉这个值。",[14,15,16],"h2",{"id":16},"温度相关设置",[18,19,20,42],"table",{},[21,22,23],"thead",{},[24,25,26,30,33,36,39],"tr",{},[27,28,29],"th",{},"设置",[27,31,32],{},"作用",[27,34,35],{},"磷酸铁锂",[27,37,38],{},"三元",[27,40,41],{},"钛酸锂",[43,44,45,63,79,94,109,126,143,159,174,190],"tbody",{},[24,46,47,51,54,57,60],{},[48,49,50],"td",{},"Charge OTP",[48,52,53],{},"高于此温度停止充电",[48,55,56],{},"45–60 °C，常用 55",[48,58,59],{},"40–45 °C",[48,61,62],{},"45–55 °C",[24,64,65,68,71,74,77],{},[48,66,67],{},"Charge OTPR",[48,69,70],{},"低于此温度恢复充电",[48,72,73],{},"50 °C",[48,75,76],{},"40 °C",[48,78,73],{},[24,80,81,84,87,90,92],{},[48,82,83],{},"Discharge OTP",[48,85,86],{},"高于此温度停止放电",[48,88,89],{},"50–60 °C",[48,91,89],{},[48,93,89],{},[24,95,96,99,102,105,107],{},[48,97,98],{},"Discharge OTPR",[48,100,101],{},"低于此温度恢复放电",[48,103,104],{},"55 °C",[48,106,104],{},[48,108,104],{},[24,110,111,114,117,120,123],{},[48,112,113],{},"Charge UTP",[48,115,116],{},"低于此温度停止充电",[48,118,119],{},"0–10 °C，常用 2",[48,121,122],{},"0–10 °C，常用 3",[48,124,125],{},"约 -20 °C",[24,127,128,131,134,137,140],{},[48,129,130],{},"Charge UTPR",[48,132,133],{},"高于此温度恢复充电",[48,135,136],{},"5 °C",[48,138,139],{},"8 °C",[48,141,142],{},"约 -10 °C",[24,144,145,148,151,154,156],{},[48,146,147],{},"Discharge UTP",[48,149,150],{},"低于此温度停止放电",[48,152,153],{},"-20 °C",[48,155,153],{},[48,157,158],{},"-30 °C",[24,160,161,164,167,170,172],{},[48,162,163],{},"Discharge UTPR",[48,165,166],{},"高于此温度恢复放电",[48,168,169],{},"-10 °C",[48,171,169],{},[48,173,153],{},[24,175,176,179,182,185,188],{},[48,177,178],{},"MOS OTP",[48,180,181],{},"BMS 功率部分过热",[48,183,184],{},"80–100 °C，常用 90",[48,186,187],{},"相同",[48,189,187],{},[24,191,192,195,198,201,203],{},[48,193,194],{},"MOS OTPR",[48,196,197],{},"功率部分恢复",[48,199,200],{},"75 °C",[48,202,187],{},[48,204,187],{},[10,206,207],{},"这些数值来自电芯规格书（EVE、Gobel 等磷酸铁锂厂家）、JK-PB 规格书以及长期运行的 DIY 系统，与编辑器给出警告时使用的范围相同。",[10,209,210],{},"每一对设置都需要留出差值。固件会拒绝与触发值相等的恢复值：OTPR 必须低于 OTP，UTPR 必须高于 UTP。留出 5 °C 的差值，可以避免 BMS 在临界点附近每隔几秒就开关一次。",[14,212,213],{"id":213},"应该修改的出厂值",[10,215,216],{},"JK-PB2A16S20P 规格书列出的出厂值为：Charge OTP 70 °C，恢复 60 °C；Discharge OTP 70 °C，恢复 60 °C；Charge UTP -20 °C，恢复 -10 °C；MOS OTP 100 °C，恢复 80 °C。其中两项对磷酸铁锂有问题：",[218,219,220,228],"ul",{},[221,222,223,227],"li",{},[224,225,226],"strong",{},"Charge UTP -20 °C"," 允许给冻住的电芯充电。请改为 2–5 °C，恢复值 5–8 °C。",[221,229,230,233],{},[224,231,232],{},"Charge OTP 70 °C"," 高于磷酸铁锂电芯的额定温度（55–60 °C）。请改为 55 °C，恢复值 50 °C。",[10,235,236],{},"较早的 B 系列主板出厂值不同，请先读出你自己的数值，再做判断。",[14,238,239],{"id":239},"加热功能如何工作",[10,241,242],{},"带加热输出的主板（PB 系列，以及标注 -H 或 -HC 的 B 系列型号）可以驱动贴在电芯上的加热膜。只有在有充电需求、且电池温度低于加热开启温度时，加热才会工作，到达加热关闭温度时停止。加热的能量来自充电器而不是电池，所以放在寒冷棚子里、又没有光伏输入的电池组不会自己保温。",[10,244,245],{},"JK 规格书对出厂行为的描述是：充电时低于 -20 °C 开始加热，加热到 -10 °C。这和 Charge UTP 是同一个问题。磷酸铁锂和三元更合适的数值：",[18,247,248,257],{},[21,249,250],{},[24,251,252,254],{},[27,253,29],{},[27,255,256],{},"推荐值",[43,258,259,267,275],{},[24,260,261,264],{},[48,262,263],{},"加热",[48,265,266],{},"开启，仅在接了加热膜时",[24,268,269,272],{},[48,270,271],{},"加热开启温度",[48,273,274],{},"0–5 °C，常用 3",[24,276,277,280],{},[48,278,279],{},"加热关闭温度",[48,281,282],{},"8–10 °C，常用 10",[10,284,285],{},"让加热关闭温度高于 Charge UTPR，这样加热膜完成工作后就能开始充电；同时它也要高于加热开启温度，两者相等时编辑器会给出警告。在部分固件上，加热会跟随 Charge UTP 和 UTPR，而不是自己的设定值；也有用户反映阈值附近约有 1 °C 的回差。如果加热没有在你预期的温度动作，先在寒冷的早晨观察一下温度变化，再决定是否修改其他设置。",[10,287,288],{},"加热膜功率要与充电器匹配。48 V 电池组上的 100 W 加热膜约需 2 A，阴天时小功率的光伏控制器可能供不上。",[14,290,291],{"id":291},"探头位置和故障",[10,293,294],{},"PB 主板有多个电池温度探头和一个 MOSFET 温度传感器。至少把一个探头放在中间几节电芯之间，那里充电时最热、寒冷时升温最慢；再把一个放在边缘，那里散热最快。悬在空中的探头测到的是空气温度，而不是电芯温度。",[10,296,297],{},"温度传感器故障告警表示探头断路或短路。\"禁用温度传感器\"开关可以让告警消失，但同时也关闭了所有电池温度保护。只在确认诊断时使用它，然后更换探头。",[10,299,300,301,306],{},"MOSFET 频繁过温是另一回事：主板通过的电流太大，或者热量散不出去。请降低电流上限、改善通风，并检查功率线是否拧紧。全部温度类告警见",[302,303,305],"a",{"href":304},"\u002Fguides\u002Fjk-bms-alarms-list","告警列表","。",[14,308,309],{"id":309},"检查和修改数值",[311,312,313,326,329,332],"ol",{},[221,314,315,316,320,321,325],{},"打开 ",[302,317,319],{"href":318},"\u002F","JK Preset Studio","，通过蓝牙连接，或打开导出的 ",[322,323,324],"code",{},".jkcfg"," 文件。",[221,327,328],{},"进入\"温度\"标签页。超出你所用化学体系推荐范围的数值会被标出，恢复值方向错误的设置对会被标为错误。",[221,330,331],{},"先修正 Charge UTP 和 Charge OTP，如果主板有加热功能，再修正加热数值。",[221,333,334],{},"写入 BMS。编辑器会安排写入顺序，确保固件逐项接受，并回读校验。",[10,336,337,341,342,346,347,306],{},[302,338,340],{"href":339},"\u002Fguides\u002Fjk-bms-lifepo4-settings","磷酸铁锂设置指南","给出了完整配置的其余部分，现成的",[302,343,345],{"href":344},"\u002Fpresets","预设","已经使用了这些温度值。每个字段的说明见",[302,348,350],{"href":349},"\u002Fparameters#chargeUtp","参数说明",[14,352,353],{"id":353},"常见问题",[355,356,358],"h3",{"id":357},"寒冷的早上-bms-不充电是坏了吗","寒冷的早上 BMS 不充电，是坏了吗？",[10,360,361],{},"没有坏。这是 Charge UTP 在正常工作。电芯温度回升到 Charge UTPR 以上后会恢复充电，装了加热会更快。",[355,363,365],{"id":364},"钛酸锂可以把-charge-utp-设到零下吗","钛酸锂可以把 Charge UTP 设到零下吗？",[10,367,368],{},"可以。钛酸锂是常见化学体系中能在零下充电的一种，大约可到 -20 °C。磷酸铁锂和三元不行。",[355,370,372],{"id":371},"加热会在夜里耗光电池吗","加热会在夜里耗光电池吗？",[10,374,375],{},"不应该。它只在有充电需求时工作，用的是充电器的电。",{"title":377,"searchDepth":378,"depth":378,"links":379},"",3,[380,382,383,384,385,386],{"id":16,"depth":381,"text":16},2,{"id":213,"depth":381,"text":213},{"id":239,"depth":381,"text":239},{"id":291,"depth":381,"text":291},{"id":309,"depth":381,"text":309},{"id":353,"depth":381,"text":353,"children":387},[388,389,390],{"id":357,"depth":378,"text":358},{"id":364,"depth":378,"text":365},{"id":371,"depth":378,"text":372},"2026-10-12","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。","md",[395,396,397,398,399,400],"jk bms 温度设置","jk bms 加热设置","jk bms 低温充电保护","jk bms 加热开启温度","jk bms 冬季充电","jk bms mos 过温",{},true,"\u002Fguides\u002Fjk-bms-temperature-heating-settings",[405,406,407],"jk-bms-lifepo4-settings","jk-bms-alarms-list","jk-bms-parameters-explained",{"title":5,"description":392},"guides\u002Fjk-bms-temperature-heating-settings",null,"buIvVGoo5IDr8kyrqKnWHx6tTOSq_6zSvN2-OnGqcUI",[413,416,420,424,425,430,435,440,444,448,452,455,459,463,467,471,475,479,483,487,491],{"path":304,"title":414,"description":415,"date":391,"updated":410},"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。",{"path":417,"title":418,"description":419,"date":391,"updated":410},"\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":421,"title":422,"description":423,"date":391,"updated":410},"\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":403,"title":5,"description":392,"date":391,"updated":410},{"path":426,"title":427,"description":428,"date":429,"updated":410},"\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":431,"title":432,"description":433,"date":434,"updated":410},"\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":436,"title":437,"description":438,"date":439,"updated":434},"\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":441,"title":442,"description":443,"date":439,"updated":410},"\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":445,"title":446,"description":447,"date":439,"updated":434},"\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":449,"title":450,"description":451,"date":439,"updated":434},"\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":339,"title":453,"description":454,"date":439,"updated":434},"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":456,"title":457,"description":458,"date":439,"updated":410},"\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":460,"title":461,"description":462,"date":439,"updated":434},"\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":464,"title":465,"description":466,"date":439,"updated":434},"\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":468,"title":469,"description":470,"date":439,"updated":434},"\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":472,"title":473,"description":474,"date":439,"updated":434},"\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":476,"title":477,"description":478,"date":439,"updated":434},"\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":480,"title":481,"description":482,"date":439,"updated":434},"\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":484,"title":485,"description":486,"date":439,"updated":429},"\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":488,"title":489,"description":490,"date":439,"updated":410},"\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":492,"title":493,"description":494,"date":439,"updated":434},"\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。",1791798190754]