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introduction：Water level switch： Capacitive water level switch、Electronic water level switch、Electrode type water level switch、Photoelectric water level switch、Tuning fork type water level switch、Float type water level switch, etc，The smart water level controller that is popular in the market at present，The principle is installed on the pipe by detecting the height of the water level，Install user-set water level points，Low water level automatic pump start，High water level automatic pump shutdown，Water protection prevents water pump idling function，Is gradually replacing photoelectric and Hall switches，Truly realize the intelligent control of water level。 Feedback level position signal，Call the duty room center console，Whether the water level reaches the specified water level，It can also control the startup or shutdown of related devices（Such as，Water pump）。The signal voltage is usually12Vor24VSafety voltage。
2018-03-13 Reading quantity 414
introduction：Network relay A relay is an electrical control device，Is when the input quantity（Excitation quantity）When the changes meet the specified requirements，An appliance that causes a predetermined step change in a controlled quantity in an electrical output circuit。It plays an automatic regulation in the circuit、Security protection、Conversion circuit, etc。Compared to the traditional manual believe that many people now prefer network relays，The following Feng Ye Xiaobian will take you to understand the network relay：
2018-03-13 Reading quantity 330
introduction：A stepper motor Stepper motor is an open-loop control motor that converts the electrical pulse signal into angular displacement or linear displacement，It is the main executive element in modern digital program control system，Extremely widely used。Choosing the right motor is crucial in the desired location，I believe many people will not choose it，The following Xiaobian will take you to understand the choice of a stepper motor。
2018-03-13 Reading quantity 429
introduction：Programmable controller uses Programmable controller for shortPCorPLCIt is an electronic system for numerical operation，Specifically designed for use in industrial environments。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。Programmable controllers are widely used in the automation industry，I believe many people do not know how it works，The following Feng Ye Xiaobian will take you to understand its principle。
2018-03-12 Reading quantity 342
introduction：Working principle of solenoid valve The solenoid valve has a closed chamber，Through holes are opened at different positions，Each hole is connected to a different tubing，In the middle of the cavity is a piston，On both sides are two electromagnets，The magnet coil on which the valve body is energized will be attracted to which side，Different drain holes are opened or closed by controlling the movement of the valve body，The oil inlet hole is always open，The hydraulic fluid goes into the different drain lines，The piston of the cylinder is then pushed by the pressure of the oil，The piston in turn drives the rod，The piston rod drives the mechanism。In this way, mechanical motion is controlled by controlling the current of the electromagnet。
2018-03-10 Reading quantity 467
introduction：peculiarity：Use the same and same stressors，The output is the same cylinderSeveral times of，Great contribution，Multilayer piston coupling，The output is multiplied，Suitable for oil-free operation with short stroke and high force。 1、Multilayer piston assembly，Increase the output multiple 2、Use an air source entirely，Great contribution，Suitable for short strokes，High power oil-free operation 3、Easy to install：A variety of installation methods can be provided for different occasions 4、Physical beauty：Novel product design，Beautiful appearance； 5、Easy Control：Manual possible Pedal and fully automatic control 6、Easy to maintain：The cylinder block is simple and lightweight，Easy handling 7、Fast speed：It operates faster than hydraulics 8、Multilayer piston coupling，The number of processing increases by a factor 9、Use an air source entirely，Great contribution，Suitable for short strokes，High power oil-free operation
2018-03-09 Reading quantity 527
introduction：Load cellIt is actually a device that converts a mass signal into a measurable electrical output。The use of sensors should first consider the actual working environment in which the sensor is located，This is crucial to the correct selection of load cells，It is related to whether the sensor can work properly and its safety and service life，And even the reliability and safety of the whole weighing apparatus。The basic concept and evaluation method of main technical index of load cell are discussed，There are qualitative differences between the old and the new countries。There are mainlyStype、Cantilever type、Spoke type、Plate-ring type、bellows、Bridge type、Cylinder-type and other styles。 sort： The load cell is divided into photoelectric type according to the conversion method、Hydraulic type、Electromagnetic type、capacitive、The magnetic pole changes form、Vibrating type、Gyro ceremony、Resistance strain formula, etc8class，The resistance strain gauge is widely used。
2018-03-09 Reading quantity 519
introduction：Wiring method of current relay A relay is an electronic control device，It has a control system（Also known as input loop）And the controlled system（Also known as output loop），It is usually used in automatic control circuits，It actually uses a smaller current to control a larger current“Automatic switch”。Therefore, it plays an automatic regulation in the circuit、Security protection、Conversion circuit, etc。I believe that many people want to know how to wire the current relay it below Feng Ye Xiaobian will take you to see the current relay wiring diagram。
2018-03-09 Reading quantity 476
introduction：Photoelectric sensor is a sensor using photoelectric element as a detection element。It first converts the measured change into a change in the light signal，The light signal is then further converted into an electrical signal with the help of a photoelectric element。Photoelectric sensors generally consist of light sources、The optical path and the photoelectric element are composed of three parts。 Photoelectric sensor generally consists of processing path and processing element2 Partial composition。Its basic principle is based on the photoelectric effect，The measured change is converted into a change in the optical signal，The non-electrical signal is then further converted into an electrical signal with the help of a photoelectric element。The photoelectric effect is when light shines on an object，You can think of it as a stream of photons with a certain energy bombarding this object，The photon energy is then transferred to the electron，And all the energy of a photon is absorbed by an electron at once，When
2018-03-08 Reading quantity 563
introduction：Working principle of rodless cylinder Rodless cylinder refers to the use of pistons directly or indirectly connected to the external actuator，And make it follow the piston to achieve reciprocating movement of the cylinder。The big advantage of this type of cylinder is that it saves installation space，Divided into magnetic couple rodless cylinder（Magnetic cylinder）With mechanical rodless cylinders。I believe that many small partners are interested in the working principle of rodless cylinders，The following Xiaobian will take you to understand the principle of rodless cylinder：
2018-03-08 Reading quantity 116
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