- 您现在的位置：买卖IC网 > PDF目录20398 > 16N78-212E.1001 (Portescap)MOTOR BRUSHED DC 4W 12V 8400RPM PDF资料下载
参数资料
| 型号： | 16N78-212E.1001 |
| 厂商： | Portescap |
| 文件页数： | 7/48页 |
| 文件大小： | 0K |
| 描述： | MOTOR BRUSHED DC 4W 12V 8400RPM |
| 标准包装： | 10 |
| 系列： | 16N78, Athlonix |
| 类型： | 有刷直流 |
| 电压 - 额定： | 12VDC |
| RPM： | 8400 RPM |
| 直径 - 主体： | 0.630"（16.00mm） |
| 直径 - 轴： | 0.059"（1.50mm） |
| 长度 - 轴和支架： | 0.295"（7.50mm） |
| 安装孔间距： | 0.394"（10.00mm） |
| 端接类型： | 焊片 |
| 转矩 - 停滞状态 (oz-in / mNm)： | 1.76 / 12.4 |
| 齿轮减速比： | 无 |
| 功率（瓦特）： | 4W |
| 重量： | 0.053 磅（24.04g） |
| 其它名称： | 403-1042 |
第1页第2页第3页第4页第5页第6页当前第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页
Brush DC Working Principles
The electromechanical properties of motors with an ironless rotor :
Graphic express
“speed-torque”
with ironless rotors can be described by
means of the following equations:
U 0 =MxR M +k E x ω
(4) characteristic:
By calculating the constant k E and k T from the
1. The power supply voltage U 0 is equal to dimensions of the motor, the number of turns
n
n 0
the sum of the voltage drop produced by the per winding, the number of windings, the
U
0
I
current I in the ohmic resistance R M of the diameter of the rotor and the magnetic field
rotor winding, and the voltage U i induced in in the air gap, we find for the direct-current
the rotor :
U 0 =IxR M +U i
micromotor with an ironless rotor:
(1) M = U i = k
I ω
(5)
0
M L
M
L
I
M L
M
To overcome the friction torque M f due to
R
M
I
U
0
Which means that k = k E = k T the friction of the brushes and bearings, the
motor consumes a no-load current I 0 . This
The identity k E = k T is also apparent from the gives
following energetic considerations: M f =kxI 0
U
I
The electric power P e = U 0 x I which is supplied
and:
to the motor must be equal to the sum of the
2. The voltage U induced in the rotor is to Joule’s law) P = I x R :
i
proportional to the angular velocity ω of the P = U x I = M x ω + I x R
mechanical power P m = M x ω produced by
the rotor and the dissipated power (according
2
v M
2
e 0 M
U 0 = I 0 x R M + k x ω 0 where
ω 0 = 2π x n 0
60
hence:
rotor :
U i =k E x ω
(2)
=P m +P v
k=U 0 -I 0 xR M
ω 0
(8)
Moreover, by multiplying equation (1) by I, we
It should be noted that the following also obtain a formula for the electric power Is it therefore perfectly possible to calculate
velocity ω express in radians per second and P = U x I = I x R + U x I
relationship exists between the angular P e :
e 0 M i
the speed of rotation n express in revolutions
2
the motor constant k with the no-load speed
n 0 , the no-load current I 0 and the rotor
resistance R M .
per minute:
The equivalence of the two equations gives
ω = 2π n
60
Mx ω =U i xI
or U i = M and k E = k T = k
The starting-current I d is calculated as
follows:
ω
I
I d =U 0
3. The rotor torque M is proportional to the Quod erat demonstrandum.
rotor current I:
R M
M=k T xI
(3) Using the above relationships, we may write
It must be remembered that the R M depends
the fundamental equations (1) and (2) as
It may be mentioned here that the rotor torque follows:
to a great extent on the temperature; in other
words, the resistance of the rotor increases
M is equal to the sum of the load torque M
L
U 0 =IxR M +kx ω
(6)
with the heating of the motor due to the
supplied by the motor and the friction torque and :
dissipated power (Joule’s law):
M f of the motor :
M=M L +M f
U 0 =MxR M +kx ω
k
(7)
R M = R M0 (1 + γ x ?T)
Where γ is the temperature coefficient of
By substituting the fundamental equations (2)
and (3) into (1), we obtain the characteristics
of torque/angular velocity for the dc motor
copper ( γ = 0.004/°C).
As the copper mass of the coils is
comparatively small, it heats very quickly
相关PDF资料 |
PDF描述 |
|---|---|
| T95Z685M035LSAL | CAP TANT 6.8UF 35V 20% 2910 |
| 16N78-212P.1001 | MOTOR BRUSHED DC 4W 6V 9300RPM |
| MSS1P6-E3/89A | DIODE SCHOTTKY 1A 60V MICROSMP |
| 12G88-215E.1001 | MOTOR BRUSHED DC 2.5W 4.5V |
| FAN7361M | IC DRIVER GATE HIGH SIDE 8SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 16N78-212P.1001 | 功能描述:MOTOR BRUSHED DC 4W 6V 9300RPM RoHS:是 类别:电机，螺线管 >> 电机 - AC，DC 系列:16N78, Athlonix 标准包装:1 系列:OMNUC G 类型:伺服 AC 电压 - 额定:200VAC RPM:1000 RPM 直径 - 主体:6.93"（176.00mm） 直径 - 轴:1.38"（35.00mm） 长度 - 轴和支架:3.15"（80.00mm） 安装孔间距:7.87"（200.00mm） 特点:绝对式编码器，键 端接类型:连接器 转矩 - 运行（oz-in / mNm):4021.8 / 28400 转矩 - 启动状态 (oz-in / mNm):- 转矩 - 停滞状态 (oz-in / mNm):- 齿轮减速比:无 电压范围:- 功率（瓦特）:3kW 重量:55 磅（24.9kg） 其它名称:R88MG3K010TS2 |
| 16N78214E1001 | 功能描述:有刷 DC 标准 电机 10000 RPM 5.2W 9VDC 制造商:portescap 系列:16N78 Athlonix 零件状态:有效 类型:直流电机 功能:标准 电机类型:有刷 电压 - 额定:9VDC RPM:10000 RPM 扭矩 - 额定值 (oz-in / mNm):0.94 / 6.6 功率 - 额定值:5.2W 编码器类型:- 大小/尺寸:圆形 - 0.629" 直径（16.00mm） 直径 - 轴:0.059"（1.50mm） 长度 - 轴和轴承:0.295"（7.50mm） 安装孔间距:0.394"（10.00mm） 端子类型:焊片 特性:- 齿轮减速比:- 扭矩 - 瞬时最大值?(oz-in / mNm):- 工作温度:-30°C ~ 85°C 认可:- 重量:0.053 磅（24.04g） 标准包装:10 |
| 16N849 | 制造商:Distributed By MCM 功能描述:8" PLENUM RATED WIRE TIESRED 100/PKG |
| 16NA1000MEFC12.5X20 | 功能描述:CAP ALUM 1000UF 16V 20% BI-P RAD RoHS:是 类别:电容器 >> 铝 系列:* 标准包装:2,000 系列:142 RHS 电容:4700µF 额定电压:10V 容差:±20% 寿命@温度:105°C 时为 2000 小时 工作温度:-40°C ~ 105°C 特点:通用 纹波电流:1.26A ESR（等效串联电阻）:- 阻抗:- 安装类型:通孔 封装/外壳:径向，Can 尺寸/尺寸:0.492" 直径（12.50mm） 高度 - 座高（最大）:1.063"（27.00mm） 引线间隔:0.197"（5.00mm） 表面贴装占地面积:- 包装:散装 |
| 16NA100MEFC6.3X11 | 功能描述:CAP ALUM 100UF 16V 20% BI-P RAD RoHS:是 类别:电容器 >> 铝 系列:* 标准包装:2,000 系列:142 RHS 电容:4700µF 额定电压:10V 容差:±20% 寿命@温度:105°C 时为 2000 小时 工作温度:-40°C ~ 105°C 特点:通用 纹波电流:1.26A ESR（等效串联电阻）:- 阻抗:- 安装类型:通孔 封装/外壳:径向，Can 尺寸/尺寸:0.492" 直径（12.50mm） 高度 - 座高（最大）:1.063"（27.00mm） 引线间隔:0.197"（5.00mm） 表面贴装占地面积:- 包装:散装 |
发布紧急采购，3分钟左右您将得到回复。