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微型电机有哪两大项的类型?

来源:http://www.jnmcd.com 发布时间:2019-04-12 浏览:
一、交流电机(用交流电流来转动的微型电机)产品:
I. Products of AC motors (micro motors rotated by AC current):
1、串激电机:串激微型电机是单相串励电动机的定子由凸极死心和励磁绕组组成,转子由隐极死心、电枢绕阻、换向器及转轴等组成。励磁绕组与电枢绕组之间经过电刷和换向器构成串联回路。它既能够运用交流电源工作,也能够运用直流电源工作;
1. Series-Excited Motor: Series-Excited Micromotor is a single-phase series-Excited motor whose stator consists of salient pole dead center and excitation winding, and whose rotor consists of hidden pole dead center, armature winding resistance, commutator and rotating shaft. A series circuit is formed between excitation winding and armature winding by brush and commutator. It can work with both AC power supply and DC power supply.
2、感应电机:微型感应电机是指一种定转子之间靠电磁感应作用,在转子内感应电流以完成机电能量转换的微型电机,感应电机的定子由定子死心、定子绕组和机座三局部组成;
2. Induction motor: Micro-induction motor refers to a kind of micro-motor which depends on electromagnetic induction between the stator and the rotor to complete the electromechanical energy conversion by induction current in the rotor. The stator of the induction motor consists of three parts: stator dead center, stator winding and machine base.
3、罩极电机:罩极电机又叫罩极式电动机(Shaded Pole Motor),是单相交流电动机中的一种,通常采用笼型斜槽铸铝转子。它依据定子外形构造的不同,又分为凸极式罩极电动机和隐极式罩极电动机;
3. Covered-pole motor: Covered-pole motor, also known as Shaded Pole Motor, is one of the single-phase AC motors. It usually uses cage-type inclined groove cast aluminum rotor. According to the different configuration of stator, it can be divided into salient pole cover motor and hidden pole cover motor.
山东微型电机
4、电子冲步电机
4. Electronic impulse motor
5、无刷电机(BLAC):无刷直流电机由电动机主体和驱动器组成,是一种典型的机电一体化产品。由于无刷直流电动机是以自控式运转的,所以不会像变频调速下重载启动的同步电机那样在转子上另加启动绕组,也不会在负载突变时产生振荡和失步。中小容量的无刷电动机的永磁体,如今多采用高磁能级的稀土钕铁硼(Nd-Fe-B)资料。因而,稀土永磁无刷电动机的体积比同容量三相异步电动机减少了一个机座号。
5. Brushless motor (BLAC): Brushless DC motor is a typical mechatronics product, which consists of motor main body and driver. Because the brushless DC motor operates in an automatic mode, it will not add additional starting windings on the rotor like the synchronous motor with heavy load starting under variable frequency speed regulation, nor will it cause oscillation and out-of-step when the load suddenly changes. Nowadays, the permanent magnet of small and medium capacity brushless motor mostly uses Nd-Fe-B data of high magnetic energy level. As a result, the volume of the rare earth permanent magnet brushless motor reduces by one seat number compared with the three-phase asynchronous motor with the same capacity.
二、直流电机(用直流电流来转动的微型电机)产品:
2. DC motor products (micro motor rotated by DC current):
1、DC电机(PMDC)
1. DC Motor (PMDC)
2、步进电机
2. Stepping motor
A,永磁式(PM):永磁式步进电机的转子用永磁资料制成,转子的极数与定子的极数相同。其特性是动态性能好、输出力矩大,但这种电机精度差,步矩角大(普通为7.5°或15°);
A. Permanent magnet type (PM): The rotor of permanent magnet stepping motor is made of permanent magnet data. The poles of the rotor are the same as those of the stator. Its characteristics are good dynamic performance and large output torque, but its accuracy is poor and its step angle is large (usually 7.5 or 15).
B,反响式(VR):定子上有绕组、转子由软磁资料组成。构造简单、本钱低、步距角小,可达1.2°、但动态性能差、效率低、发热大,牢靠性难保证;
B, VR: The stator has windings and the rotor consists of soft magnetic data. Simple structure, low cost, small step angle, up to 1.2 degrees, but poor dynamic performance, low efficiency, high heating, reliability is difficult to guarantee;
C,混合式(HB):混合式步进电机综合了反响式和永磁式的优点,其定子上有多相绕组、转子上采用永磁资料,转子和定子上均有多个小齿以进步步矩精度。其特性是输出力矩大、动态性能好,步距角小,但构造复杂、本钱相对较高;
C, Hybrid (HB): Hybrid stepper motor combines the advantages of reactive and permanent magnet. It has multi-phase windings on its stator, permanent magnet data on its rotor, and small teeth on its rotor and stator to improve moment accuracy. Its characteristics are large output torque, good dynamic performance and small step angle, but its structure is complex and its cost is relatively high.
3、无刷电机(BLDC)
3. Brushless Motor (BLDC)
4、超声波电机(USM):超声波电动机(Ultrasonic Motor)是以超声频域的机械振动为驱动源的驱动器。我们日常生活用到的电动牙刷大局部用的就是超声波微型电机。
4. Ultrasound Motor (USM): Ultrasound Motor (USM) is a driver driven by mechanical vibration in the frequency domain of ultrasound. Most of the electric toothbrushes we use in our daily life are ultrasonic micro motors.
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