[{"data":1,"prerenderedAt":679},["ShallowReactive",2],{"guide-zh-jk-bms-parameters-explained":3,"guides-zh":623},{"id":4,"title":5,"body":6,"date":601,"description":602,"extension":603,"keywords":604,"meta":612,"navigation":613,"path":614,"related":615,"seo":619,"stem":620,"updated":621,"__hash__":622},"guides_zh\u002Fguides\u002Fjk-bms-parameters-explained.md","JK BMS 参数详解：按分组逐项讲解每个设置",{"type":7,"value":8,"toc":583},"minimark",[9,13,17,20,55,58,61,93,97,111,118,121,151,154,157,198,205,208,211,252,255,258,283,287,290,512,515,518,530,542,545,550,553,557,560],[10,11,12],"p",{},"简单来说，JK BMS 的参数可以分成几组：单体电压限值保护电芯，均衡设置让各串电压保持一致，SOC 电压用来校准电量显示，RCV 和 RFV 告诉逆变器如何充电，电流和温度限值负责切断 MOSFET，开关类参数则整体启用或关闭某项功能。下文的名称与 JK app 以及 JK Preset Studio 编辑器保持一致。",[14,15,16],"h2",{"id":16},"单体电压",[10,18,19],{},"这是最主要的保护。每一项都有一个触发值和一个恢复值。",[21,22,23,31,37,43,49],"ul",{},[24,25,26,30],"li",{},[27,28,29],"strong",{},"单体过压保护","（Cell OVP）：任意一串电芯达到该电压时停止充电。",[24,32,33,36],{},[27,34,35],{},"单体过压恢复","（OVPR）：最高单体电压降到该值以下后，重新允许充电。",[24,38,39,42],{},[27,40,41],{},"单体欠压保护","（Cell UVP）：任意一串电芯降到该电压时停止放电。",[24,44,45,48],{},[27,46,47],{},"单体欠压恢复","（UVPR）：最低单体电压回升到该值以上后，重新允许放电。",[24,50,51,54],{},[27,52,53],{},"自动关机电压","：BMS 的最低工作电压。低于该值时 BMS 会完全关机，避免自身耗电继续放电。",[10,56,57],{},"触发值总是比恢复值离正常工作区间更远。对于磷酸铁锂电池组，从下往上的顺序是：自动关机电压、UVP、UVPR，然后是顶部的 OVPR 和 OVP。",[14,59,60],{"id":60},"均衡",[21,62,63,69,75,81],{},[24,64,65,68],{},[27,66,67],{},"均衡器","：均衡功能的开关。",[24,70,71,74],{},[27,72,73],{},"均衡启动电压","：只有当某串电芯高于该电压时才会进行均衡。",[24,76,77,80],{},[27,78,79],{},"均衡触发压差","：最高与最低单体之间的压差大于该值时开始均衡，低于该值时停止。",[24,82,83,86,87,92],{},[27,84,85],{},"最大均衡电流","：均衡器搬运能量的力度。常见值为 1 至 2 A，取决于具体的板子。详见 ",[88,89,91],"a",{"href":90},"\u002Fguides\u002Fjk-bms-balance-settings","JK BMS 均衡设置","。",[14,94,96],{"id":95},"soc-校准电压","SOC 校准电压",[21,98,99,105],{},[24,100,101,104],{},[27,102,103],{},"SOC-100% 电压","：某串电芯达到该电压时，电量计数器重置为 100 %。",[24,106,107,110],{},[27,108,109],{},"SOC-0% 电压","：某串电芯降到该电压时，计数器重置为 0 %。",[10,112,113,114,92],{},"这两项并不提供任何保护，它们只用来修正 BMS 显示的电量百分比。如何选择这两个值，请参阅 ",[88,115,117],{"href":116},"\u002Fguides\u002Fjk-bms-soc-calibration","SOC 校准指南",[14,119,120],{"id":120},"充电电压控制",[21,122,123,129,135,145],{},[24,124,125,128],{},[27,126,127],{},"请求充电电压","（Cell RCV）：BMS 通过 CAN 或 RS485 向逆变器请求的单体电压。乘以电芯数量就是充电电压上限。",[24,130,131,134],{},[27,132,133],{},"请求浮充电压","（Cell RFV）：充电阶段结束后请求的较低电压。",[24,136,137,140,141,144],{},[27,138,139],{},"RCV 时间"," 和 ",[27,142,143],{},"RFV 时间","：每个请求保持的时长，最大为 18.2 h。",[24,146,147,150],{},[27,148,149],{},"充电浮充模式","：开启浮充阶段。",[10,152,153],{},"只有逆变器与 BMS 通信时，RCV 和 RFV 才有意义。没有通信时它们会被忽略。",[14,155,156],{"id":156},"电流保护",[21,158,159,168,177,186,192],{},[24,160,161,140,164,167],{},[27,162,163],{},"最大充电电流",[27,165,166],{},"最大放电电流","：以 A 为单位的电流限值。",[24,169,170,140,173,176],{},[27,171,172],{},"充电过流保护延时",[27,174,175],{},"放电过流保护延时","：电流超过限值后可以持续多久，BMS 才切断 MOSFET。",[24,178,179,140,182,185],{},[27,180,181],{},"充电过流恢复时间",[27,183,184],{},"放电过流恢复时间","：BMS 等待多久后重新导通。",[24,187,188,191],{},[27,189,190],{},"短路保护延时","：短路电流允许流过的时间，单位为 µs。",[24,193,194,197],{},[27,195,196],{},"短路恢复时间","：短路后重试前的等待时间。",[10,199,200,201,92],{},"短路相关数值与固件版本有关。在 V19 固件上，延时大于 50 会在导入时被拒绝。安全数值见 ",[88,202,204],{"href":203},"\u002Fguides\u002Fjk-bms-ocp-scp-settings","OCP 与 SCP 指南",[14,206,207],{"id":207},"温度保护",[10,209,210],{},"充电、放电和 MOS 温度的每项限值都有触发值和恢复值：",[21,212,213,223,233,239],{},[24,214,215,218,219,222],{},[27,216,217],{},"充电过温保护","（Charge OTP）和 ",[27,220,221],{},"充电低温保护","（Charge UTP）：充电时的高温和低温保护。",[24,224,225,228,229,232],{},[27,226,227],{},"放电过温保护","（Discharge OTP）和 ",[27,230,231],{},"放电低温保护","（Discharge UTP）：放电时的相应保护。",[24,234,235,238],{},[27,236,237],{},"功率管过温保护","（MOS OTP）：防止功率 MOSFET 过热。",[24,240,241,244,245,244,248,251],{},[27,242,243],{},"加热","、",[27,246,247],{},"加热启动温度",[27,249,250],{},"加热停止温度","：在带加热输出的型号上，当温度低于启动温度且有充电请求时，加热器会工作。",[10,253,254],{},"磷酸铁锂在 0 °C 以下充电会损坏电芯，所以充电低温保护要设在 0 °C 或以上。",[14,256,257],{"id":257},"开关",[21,259,260,269],{},[24,261,262,140,265,268],{},[27,263,264],{},"充电 MOSFET",[27,266,267],{},"放电 MOSFET","：启用或切断充电和放电回路。",[24,270,271,140,273,275,276,140,279,282],{},[27,272,67],{},[27,274,243],{}," 上文已经介绍。",[27,277,278],{},"智能休眠",[27,280,281],{},"禁用温度传感器"," 是很少需要的可选功能。",[14,284,286],{"id":285},"jk-bms-参数详解磷酸铁锂常用范围","JK BMS 参数详解：磷酸铁锂常用范围",[10,288,289],{},"以下是从 JK 说明书和电芯规格书中整理的范围，而不是唯一正确的数值。请以你的电芯规格书为准。",[291,292,293,312],"table",{},[294,295,296],"thead",{},[297,298,299,303,306,309],"tr",{},[300,301,302],"th",{},"参数",[300,304,305],{},"单位",[300,307,308],{},"保护对象",[300,310,311],{},"磷酸铁锂常用范围",[313,314,315,329,341,353,365,377,389,400,413,426,439,451,463,476,488,500],"tbody",{},[297,316,317,320,323,326],{},[318,319,29],"td",{},[318,321,322],{},"V",[318,324,325],{},"防止电芯过充",[318,327,328],{},"3.55 至 3.65",[297,330,331,333,335,338],{},[318,332,35],{},[318,334,322],{},[318,336,337],{},"OVP 后恢复充电",[318,339,340],{},"3.35 至 3.55",[297,342,343,345,347,350],{},[318,344,41],{},[318,346,322],{},[318,348,349],{},"防止电芯过放",[318,351,352],{},"2.5 至 2.95",[297,354,355,357,359,362],{},[318,356,47],{},[318,358,322],{},[318,360,361],{},"UVP 后恢复放电",[318,363,364],{},"2.65 至 3.1",[297,366,367,369,371,374],{},[318,368,53],{},[318,370,322],{},[318,372,373],{},"BMS 自身耗电",[318,375,376],{},"2.4 至 2.85",[297,378,379,381,383,386],{},[318,380,103],{},[318,382,322],{},[318,384,385],{},"电量百分比准确性",[318,387,388],{},"3.41 至 3.55",[297,390,391,393,395,397],{},[318,392,109],{},[318,394,322],{},[318,396,385],{},[318,398,399],{},"2.6 至 3.05",[297,401,402,405,407,410],{},[318,403,404],{},"请求充电电压（RCV）",[318,406,322],{},[318,408,409],{},"逆变器充电目标",[318,411,412],{},"3.45 至 3.55",[297,414,415,418,420,423],{},[318,416,417],{},"请求浮充电压（RFV）",[318,419,322],{},[318,421,422],{},"逆变器浮充目标",[318,424,425],{},"3.35 至 3.4",[297,427,428,430,433,436],{},[318,429,139],{},[318,431,432],{},"h",[318,434,435],{},"充电阶段时长",[318,437,438],{},"0.5 至 5",[297,440,441,443,445,448],{},[318,442,73],{},[318,444,322],{},[318,446,447],{},"均衡器工作区间",[318,449,450],{},"3.4 至 3.45",[297,452,453,455,457,460],{},[318,454,79],{},[318,456,322],{},[318,458,459],{},"均衡器灵敏度",[318,461,462],{},"0.005 至 0.01",[297,464,465,467,470,473],{},[318,466,217],{},[318,468,469],{},"°C",[318,471,472],{},"充电时的电芯",[318,474,475],{},"45 至 60",[297,477,478,480,482,485],{},[318,479,221],{},[318,481,469],{},[318,483,484],{},"防止电芯析锂",[318,486,487],{},"0 至 10",[297,489,490,492,494,497],{},[318,491,227],{},[318,493,469],{},[318,495,496],{},"放电时的电芯",[318,498,499],{},"50 至 60",[297,501,502,504,506,509],{},[318,503,237],{},[318,505,469],{},[318,507,508],{},"MOSFET",[318,510,511],{},"80 至 100",[10,513,514],{},"电流限值没有固定范围，因为它取决于电池组本身。编辑器预设按 C-rate 计算电流，并以 BMS 额定电流为上限。",[14,516,517],{"id":517},"写入顺序规则",[10,519,520,521,525,526,92],{},"固件会用当时保存的数值去检查每一个写入的值。它强制执行的顺序链是 OVPR \u003C SOC-100% 电压 \u003C RCV，以及 UVP \u003C SOC-0% 电压 \u003C UVPR。相等的数值也会被拒绝。一旦打破顺序链，app 就会提示 \"This parameter does not apply to the connected device. (Sending failure)\"（此参数不适用于所连接的设备，发送失败）。编辑器会替你检查这些规则；",[88,522,524],{"href":523},"\u002Fguides\u002Fjk-bms-bluetooth-browser","通过蓝牙写入","时，它会选择让每条顺序链都保持成立的顺序。解决方法见 ",[88,527,529],{"href":528},"\u002Fguides\u002Fjk-bms-sending-failure","发送失败指南",[10,531,532,533,537,538,92],{},"想对照实际情况检查你的数值，请把详细日志加载到",[88,534,536],{"href":535},"\u002Flogs","日志分析页","。BMS 在日志里写下的文字，可以参考配套的",[88,539,541],{"href":540},"\u002Fguides\u002Fjk-bms-log-messages-explained","每条日志消息是什么意思",[14,543,544],{"id":544},"常见问题",[546,547,549],"h3",{"id":548},"ovp-和-rcv-有什么区别","OVP 和 RCV 有什么区别？",[10,551,552],{},"OVP 是直接切断充电的硬保护，RCV 是逆变器应该充到的目标电压。RCV 要明显低于 OVP。",[546,554,556],{"id":555},"soc-100-电压应该等于-ovp-吗","SOC-100% 电压应该等于 OVP 吗？",[10,558,559],{},"不应该。它必须高于 OVPR、低于 RCV，否则固件会拒绝该值。",[10,561,562,563,567,568,572,573,577,578,582],{},"在 JK Preset Studio 编辑器中",[88,564,566],{"href":565},"\u002F","连接你的 BMS 或打开你的 .jkcfg","，就能看到你自己电池的这些数值。",[88,569,571],{"href":570},"\u002Fparameters","参数手册"," 提供每项设置的建议，",[88,574,576],{"href":575},"\u002Fpresets","预设"," 给出现成数值，",[88,579,581],{"href":580},"\u002Fguides\u002Fjk-bms-lifepo4-settings","磷酸铁锂设置指南"," 则介绍完整的配置流程。",{"title":584,"searchDepth":585,"depth":585,"links":586},"",3,[587,589,590,591,592,593,594,595,596,597],{"id":16,"depth":588,"text":16},2,{"id":60,"depth":588,"text":60},{"id":95,"depth":588,"text":96},{"id":120,"depth":588,"text":120},{"id":156,"depth":588,"text":156},{"id":207,"depth":588,"text":207},{"id":257,"depth":588,"text":257},{"id":285,"depth":588,"text":286},{"id":517,"depth":588,"text":517},{"id":544,"depth":588,"text":544,"children":598},[599,600],{"id":548,"depth":585,"text":549},{"id":555,"depth":585,"text":556},"2026-10-02","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。","md",[605,606,607,608,609,610,611],"jk bms 参数详解","jk bms 参数设置","单体过压保护 欠压保护","jk bms 自动关机电压","jk bms rcv rfv","保护板 参数 含义","jk bms soc 100% 电压",{},true,"\u002Fguides\u002Fjk-bms-parameters-explained",[616,617,618],"jk-bms-ocp-scp-settings","jk-bms-soc-calibration","jk-bms-log-messages-explained",{"title":5,"description":602},"guides\u002Fjk-bms-parameters-explained","2026-10-04","MI2Lj3ktUytuRs7hZAw1rtkJhmPtwl4ro-sw6nvObk8",[624,628,631,635,639,643,646,649,653,656,657,661,665,668,671,675],{"path":523,"title":625,"description":626,"date":621,"updated":627},"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。",null,{"path":90,"title":629,"description":630,"date":601,"updated":621},"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。",{"path":632,"title":633,"description":634,"date":601,"updated":627},"\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":636,"title":637,"description":638,"date":601,"updated":621},"\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":640,"title":641,"description":642,"date":601,"updated":621},"\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":580,"title":644,"description":645,"date":601,"updated":621},"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":540,"title":647,"description":648,"date":601,"updated":627},"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":650,"title":651,"description":652,"date":601,"updated":621},"\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":203,"title":654,"description":655,"date":601,"updated":621},"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":614,"title":5,"description":602,"date":601,"updated":621},{"path":658,"title":659,"description":660,"date":601,"updated":621},"\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":662,"title":663,"description":664,"date":601,"updated":621},"\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":528,"title":666,"description":667,"date":601,"updated":621},"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":116,"title":669,"description":670,"date":601,"updated":621},"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":672,"title":673,"description":674,"date":601,"updated":627},"\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":676,"title":677,"description":678,"date":601,"updated":621},"\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。",1791151319734]