BPM 型电机技术说明书BPM motor technical ... - Bike-emotion.org

苏州八方电机科技有限公司 

Suzhou Bafang Electric Motor Science-Technology Co.LTD 

文件名称 Name 

BPM 型技术说明书 

BPM motor technical manual 

初版日期 Date 090215 

文件编号 No JS--033 版次 Version V1.0 

编写 Made by 丁俊修改日期 Modify date 

BPM 型电机技术说明书 


产品名称:电动车用永磁直流无刷行星减速轮毂电机 

Product's name: Permanent Magnet brushless high speed DC motors 

产品型号:BPM 

Product's model: BPM 

for electric bicycles 

制作 Made by:李华审核 checked by: 贺先兵 

地址:中国.苏州工业园区娄葑镇和顺路 9 号 

Add: No.9 HeShun Road LouFeng Town Suzhou Industrial Park. China 

公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 

E-mail:bf@szbaf.com jiahe76@sina.com 

Web:www.szbaf.com Skype:SZ8FUN001 

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目录 Catalog 

Ⅰ、产品介绍 Product instruction······································3 

1、名称 Name······················································3 

2、适用范围 Application···········································3 

3、外观 Appearance················································3 

4、编号规则 Code instruction·····································4,5 

Ⅱ、产品说明 Product explanation·······································5 

1. 技术信息 Technical information·································5 

①外形图 drawing············································· 5,6 

②表面处理 Surface treatment ···································6 

③接插件 Connector··········································· 6,7 

④旋转方向 Rotating direction································ 7,8 

⑤主要技术性能 Main technical performance···················· 8,9 

2.防腐性能 Corrosion resistance ······························· 9 

3.产品优点 Advantage ··········································9,10 

4.注意事项 Remark················································10 

5.相关配置推荐 Optional parts ······························10,11 

6.控制器说明 controller instruction····························· 11 



公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 



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I. 产品介绍 Product instruction 

BPM 电机技术说明书 


1.名称:电动车用永磁直流无刷行星减速轮毂电机。 

bicycles. 

轮) 

Name:Permanent Magnet brushless high speed DC motors for electric 

产品型号:BPM 型 

Product model:BPM 

2.适用范围: 后驱动电机可标准配置叠刹和外六速飞轮(可用配五,三速飞 

Application: Rear driving motor (can be fixed with disc brake and 

speed free wheel) 

标准配置:自行车后叉开档尺寸为 135mm;产品可适用于电动车全动力驱动 

和各比例助力传动系统。 

Standard applicability: rear fork size is 135 mm, this motor can 

be used for all e-bike and all kinds assistant system. 

3.外观(如图) 

Appearance (See picture) 



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4.编号规则 

Code instruction 

编号在电机轮毂上 “8FUN→”标记字样之后,编号上下分两排,上下居中, 

编号字码规定字体为宋体,字体大小为 72,字体高度为 4mm,字符间距为 0%;填充 

为 5 线/毫米,字宽缩放为 75% 

There is 2 line code on the hub, after the “8FUN→”,the letter is 

Simsun, and the letter size is 72,the height of the letter is 

4mm,character spacing is 0%; filled with 5line/mm, letter's scaling is 

75% 

示例:For example 

BPM36V350W250R 

X0903010019 

①BPM: 电机型号; 

BPM: motor model 

②36V:电压等级 DC36V(如为 48,则电压等级为 DC48V) 

36V:Voltage is DC36V(if 48,the voltage is DC48V) 

③350W:电机额定功率为 350W 

350W:motor's rated power is 350W 



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④250R:电机额定转速为 250 r/min 

250R:motor's rated rpm is 250 r/min 

⑤X:为特定产品识别码,如没有,则以空格填充 

X: special product ID code, if no special ID code, filled with blank 

⑥090301:生产日期,表示 09 年 3 月 1 日 

090301:production date, means the date is March 1 st , 2009 

⑦0019: 生产流水号,从 0000—9999;0019 表示第 19 台. 

0019:production serial number, from 0000—9999;0019 means 19 th 

II. 产品说明 

Product explanation 

1、技术信息 Technical information 

①外形图 Drawing 



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A.电机轴长 192,开档 136 

Shaft length of motor: 192m, fork size: 136mm 

B.引出线长度:L=200mm 

Cable length: L=200mm 

②表面处理 Surface treatment: 

电机表面高速切削,铝合金光亮,无油漆; 

The surface of the motor is fast cutting, pure metal bright, 

no painting. 

③接插件:与外接线缆的连接用¢5 子弹头插座和防水白色护套; 

Connector: ¢ 5 bullet-head socket and 

white water proof jacket to connect 

with the cable 

注:考虑到顾客车型的差异,过渡连接线不包含在产品之内。顾客如需配套, 

可在订单中另行提出,费用另计。 

Note: Considering the different e-bikes, the cable of this 

connector is not included in our products; if clients need the cable 

when place the order, please tell us in advance in order for us to make 

another quotation for the cable. 



公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 



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④旋转方向: Rotating direction 

从出线端视,通电状态,电动机与配套的控制器色标连接一致,旋向为顺时针; 

不通电时,顺时针方向为滑行方向。 

By view the direction from the output terminal, the connection of the 

motor’s color sign is consistent with the connection of the matched 

controller color sign when we turn-on power, and its rotating direction 

is clockwise. The clockwise direction is sliding direction when we 

turn- off power. 

电压 

Voltage 

电机机芯代 

号 

Motor's 

code 

10 

电压 

Voltage 


号 

Motor's 

code 

11 

⑤主要技术性能(环境温度-25℃~45℃) 

Main technical performance(temperature -25℃~45℃). 

DC36v 

额定功率 

rated power(W) 

150 

空载电流 

current with 

no load 

(A) 

负载重量 

load weight 

空载转速 

rotating 

speed with no 



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load 

额定转速 

rated speed 

(r/min) 

额定电流 

rated 

current 

(A) 

75Kg 

额定扭矩 

torque 

(N.m) 

额定效率 

efficiency 

(%) 

300±8 〈6.5 〉4.5 〉70 

250 〈1.65 315±10 290±8 〈9.5 〉8.1 〉76 

350 280±8 〈13 〉11.8 〉78 

DC36v 

额定功率 


150 

空载电流 

current with 

no load 

(A) 

负载重量 

load weight 

空载转速 

rotating 

speed with no 

load 

额定转速 

rated speed 

(r/min) 

额定电流 

rated 

current 

(A) 

75Kg 

扭矩 

torque 

(N.m) 

效率 

efficiency 

(%) 

270±8 〈6 〉5 〉71 

250 〈1.5 285±10 260±8 〈9 〉9 〉77 

350 250±8 〈12.5 〉12.8 〉80









电压 

Voltage 


号 

Motor's 

code 

15 

电压 

Voltage 


号 

Motor's 

code 

16 

DC36v 

额定功率 


150 

注:产品性能在不断更新提升,配套前请了解最新数据。 

Remark: We are improved our motor ’ s performance constantly, 

please refer to the updated data when the clients place the order. 

2.电机的防腐性能 

空载电流 

current with 

no load 

(A) 

Corrosion resistance of the motor 

参照标准 GB/T2423.17 进行盐雾试验,在常温状态下 5%Nacl 溶液、盐雾箱内 

温度 35.5℃、饱和桶温度 37.5℃进行连续喷雾 48 个小时后,表面无肉眼可见之腐 

蚀,满足标准要求,电机内无渗水 

负载重量 

load weight 

空载转速 

rotating 

speed with no 



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第 8 页共 11 页 

load 

额定转速 

rated speed 

(r/min) 

额定电流 

rated 

current 

(A) 

75Kg 

扭矩 

torque 

(N.m) 

效率 

efficiency 

(%) 

192±5 〈6 〉7 〉76 

250 〈1.2 206±8 182±5 〈9 〉12.5 〉80 

350 172±5 〈13 〉19 〉79 

DC36v 

额定功率 


150 

空载电流 

current with 

no load 

(A) 

负载重量 

load weight 

空载转速 

rotating 

speed with no 

load 

额定转速 

rated speed 

(r/min) 

额定电流 

rated 

current 

(A) 

75Kg 

扭矩 

torque 

(N.m) 

效率 

efficiency 

(%) 

175±5 〈6 〉8 〉77 

250 〈1.0 192±8 165±5 〈9 〉14 〉80 

350 157±5 〈13.5 〉23 〉80 

外观 Appearance 表面车光亮, bright surface, 

单体重量 weight/pc 3.98Kg









We make the salt spray test according to standard GB/T2423.17, 

and we spray the motor for 48 hours continuously under the normal 

temperature, 5%Nacl solution, salt spray chest with 35.5 ℃ ,saturated 

tank with 37.5℃, the motor’s inside should be not soaked with water 

and the motor’s appearance should satisfy the standard requirements 

3.产品优点 

Advantage of the motor 

a.可用于后叉开档尺寸为 135mm 的标准配置自行车; 

The fork size is135mm, it is same as the standard bike 

b.无电刷,长寿命(轴承寿命),免维护; 

Brushless, Long life (bearing's life), Free maintenance 

c.体积小、重量轻、功率大、结构简洁; 

Small volume, Light weight, Great power, Simple construction 

d.启动性能优越、无磁滞阻尼消耗动能、爬坡能力强; 

Excellent starting performance, No magnetic hysteresis damping 

energy consumption, Strong climbing capacity 

e.无火花,不产生电磁干扰; 

No spark, No electric magnetic interference 

f.效率高,耗电低,相对续行里程长; 

driving 

High efficiency, Low electric power consumption, Long distance for 

g.性能价格比高; 

Much more economical for the higher performance 

h、防水性能优越; 

Superior water-proof 



公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 



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4.注意事项: 

品共存; 

Attention: 

①应停放在通风干燥的库房内,不宜停放在潮湿、酸碱处,也不宜与磁性物 

The motor should be stored under the dry and ventilated room, 

and cann’t be stored under moist, acidic and alkaline places. Please do 

not put the motor together with magnetic products. 

②产品使用时不宜长时间超载,过载,控制器限流必须在 25A 以内; 

The products shouldn’t be overloaded for long time , the limited 

current of the controller should be less than 25A. 

③产品运行时应避免涉水、浸水。 

The water should be avoided inside the motor. 

5、相关配置(推荐) 

Optional parts 

① 附件: 

1.M12*1.25 的达克罗法兰螺母(有底纹); 2 只 

2.止转片 2 片 

3.4mm 的衬套 1 套 

4.轴端护套 2 个 

Accessories 

1.Dacromet flange nut with shading (M12*1.25) 2PCS 

2.Stopper pin 2PCS 

3.Bush(4mm) 1SET 

4.Axle jacket 1PCS 

② 轮圈:(推荐型号:XT-HF035) 

26 英寸,轮辋 1.75~2.125(推荐型号:XT-HF035) 



公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 



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700C,轮辋 1.75~2.125(推荐型号:XT-HF035) 

Rim (recommend type: XT-HF035): 

26’’,size: 1.75 ~ 2.125,(recommend type: XT- 

HF035) 

HF035) 

700C,size: 1.75 ~ 2.125,(recommend type: XT- 

③辐条:12G/13G*36H 不锈钢 

26 英寸的辐条长 210mm 

700C 的辐条长 240mm 

Spoke: 12G/13G*36H 

Spoke length for 26’’ is 210mm, 

and for 700C is 240mm 

④轮胎:26 英寸/700C×1.75~2.125. 

Tire:26’’/700C ×1.75--2.125 

6.控制器推荐接口图见附件 1 

Attachment Ⅰ is the recommend controller. 



公司总机(TEL): 0512-88852666 传真(Fax): 0512-65975228 



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BPM 型电机技术说明书BPM motor technical ... - Bike-emotion.org

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