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introduction：The pressure control consists of a low pressure part。When the high pressure end pressure exceeds the rating or the low pressure end pressure is below the rating，The relay automatically cuts power to the compressor，Shut down compressor，To provide safety protection or automatic control of cold storage(Or a cooler)Effect of temperature。Another kind of pressure relay to the lubricating oil supply...
2017-02-04 Reading quantity 355
introduction：Characteristics of asynchronous motor
2017-01-05 Reading quantity 275
introduction：Ac motor maintenance，，Ac motor maintenance in the contemporary application can be described as more and more extensive，Ac motor maintenance is worth our good study，Now lets take a deeper look at AC motor maintenance。
2017-01-05 Reading quantity 84
introduction：Brief introduction of permanent magnet motor，No changes are required to the existing reduction gear and power supply。Permanent magnet speed intelligent industrial motor maintenance workload is small，Almost maintenance-free products，Maintenance costs are extremely low。
2016-06-17 Reading quantity 304
introduction：Four considerations of permanent magnet motor，Ferrite permanent magnet motor，Especially micro permanent magnet DC motor，Because of the simple structure and process、Mass reduction，The total cost is generally lower than that of electrically excited motors，Therefore, it has been widely used。
2017-01-06 Reading quantity 272
introduction：Classification of permanent magnet motors
2017-01-09 Reading quantity 406
introduction：Dc motor speed regulation method，Dc motor consists of two parts: stator and rotor。The stator is fitted with a magnetic pole（The magnetic pole of an electromagnetic DC motor is provided by a magnetic coil around the stator），The rotor is made of laminated silicon steel sheets，The outer circle of the rotor has a slot，An armature winding is embedded in the slot。
2016-05-31 Reading quantity 1007
introduction：Pressure sensor is one of the most commonly used sensors in industrial practice，It is widely used in various industrial automatic control environment，Involving water conservancy and hydropower、Railway traffic、Intelligent building、Production control、aerospace、War industry、petrification、Oil well、electricity、boats、Machine tool、Pipelines and many other industries，Here is a brief introduction to some common sensor principles and their applications。 <span style=font-...
2016-03-07 Reading quantity 1653
introduction：There are many kinds of mechanical sensors，Such as resistance strain gauge pressure sensor、Semiconductor strain gauge pressure sensor、Piezoresistive pressure sensor、Inductive pressure sensor、Capacitive pressure sensor、Resonant pressure sensor and capacitive acceleration sensor。But the most widely used is piezoresistive pressure sensor，It has very low price, high precision and better linear characteristics。 When using a decompression resistance pressure sensor...
2016-03-08 Reading quantity 1693
introduction：Working principle of DC motor，Direct current motor is a motor that converts direct current energy into mechanical energy，The principle is electromagnetic drive。Because of its good speed regulation performance, it has been widely used in electric drive。
2016-11-22 Reading quantity 200
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