调速器

The main brake adopts energy-consumed braking; the auxiliary brake adopts the new-type band brake; the mechanical drive adopts a driving method which combines cycloidal reducer and chain drive; the bailing metering unit adopts the digital control mode which uses the single-chip microcontroller as the central processing unit.

该绞车采用交流变频控制，实现无级调速；主刹车采用电动机能耗制动，辅助刹车采用带棘爪机构的带式刹车；机械传动采用摆线减速器与链传动相结合的传动方式；捞砂计量装置采用单片机微控器作为中央处理单元的数字控制模式。

A new method of multi and step_speed change by using PLC controlled switching model converter was introduced,it was developed to update the technology in doffer drive system of A186D high_speed carding machine.

介绍了一种采用PLC的开关量输入、输出模块控制变频器进行多级有级调速的方式，该技术可用于A186D型高速梳棉机道夫传动系统的技术改造，获得了较高的性价比与经济效益。

Because DC motor has commutator, it is limited to use. People took into account VC motor.

由于有换向器的存在，使直流电机的使用受到很大限制，于是人们开始转向异步电机，但异步电机的调速性能难以满足生产的要求。

Also, the author explains the method of getting the signals of musical rhythms simulating human ears and the process of using the signals to control the timing and the shape of the fountain via the frequent converser.

本文介绍一种用变频器调速控制的音乐喷泉系统，这种音乐喷泉的造型是用音乐节奏的变化来控制的，随着音乐节奏强弱的变化喷泉的造型起伏变幻，具有十分明显的音乐节奏感。

Adjustable frequency driver is one of the most useful devices of industrial drive engineering.

变频器是工业调速传动领域中应用很广泛的设备之一。

Based on the practical situation of central heating, a PLC control system for a heat exchange station is introduced, which is mainly composed of PLC, PID controller and inverter.

本文根据集中供热的实际情况设计了一套换热站变频调速PLC控制系统，它主要由PLC、PID控制器和变频器组成。

According to characteristics of high pressure ammonia pump,was mechanical torque converters were superseded by transducers to realize full voltage starting and electric-dazzling preventins,and save electricity was above 20%.

针对高压氨泵的工艺特点，用变频器取代了机械变矩器调速，实现了抗压启动和防晃电功能，并且节能20%以上。

1Driving form: speed-regulate of frequency converter + universal shaft coupling + synchronous belt with high accuracy in synchronism, high in mechanism and guarantee in lifetime of the components.

传动型式：变频器调速+万向联轴器+同步带，同步精度高，机械效率高，构件使用寿命保证。

Injector fuel supply or pressure is not enough, atomization bad, drip, etc.; plunger rod adjustable arm or teeth protruding ears from the governor lever fork slot prolapse in non-oil position; fuel pump plunger and barrel assembly seriously wear and tear, oil pressure is too low, the oil valve wear serious Mifengbuyan; washer crack and deformation, a broken valve spring, injector wear and tear stuck in the closed position.

喷油器不供油或压力不足、雾化不良、滴油等；柱塞调节臂或齿杆凸耳从调速杠杆叉槽中脱出处于不供油位置；喷油泵柱塞偶件严重磨损，供油压力太低，出油阀磨损严重，密封不严；垫圈开裂变形，出油阀弹簧折断，喷油器磨损卡死在关闭位置。

Using coder ,D/A transducer and frequency converting speed regulator makes up the automatic control system of rope machine's wire ranging apparatus.

利用编码器、D/A变换器、变频调速装置，构成制绳机排线自动控制系统，将原间歇位移随动控制系统改为连续位移自动控制系统，可以解决制绳机钢丝绳收线排布不均的问

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。