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Oxide film resistor and winding resistor are two common resistance devices in electronic circuits. Next, I will introduce the characteristics, working principles and applications in electronic circuits of these two resistance devices in detail. Characteristics of oxide film resistance: 1 The oxide film resistor is a metal film resistor, which is usually covered by a metal film (such as chromium copper alloy) on a ceramic or glass substrate, and forms an oxide film on the surface. 2. The oxide film resistance has high precision and stability, and the temperature coefficient is relatively small, and the precision can generally reach 1%. 3. It has good high temperature resistance and corrosion resistance. 4. It is applicable to circuits with higher frequency. 工...
Date: 1 hour ago Reading: 827
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PID controller (proportional integral differential controller) and resistor are two completely different electronic components and control equipment in function and application. This article will elaborate on the differences between the two, including their basic definitions, working principles, application scenarios, and their respective advantages and limitations. PID controller PID controller is a core component of automatic control system, which is used to regulate the output of the system to achieve the desired goal. PID controller realizes precise control through three links of proportion, integral and differential. Operating principle The operating principle of PID controller is based on three control elements: proportion, integral and differential. Proportional control adjusts the control quantity according to the size of the deviation, integral
Date: 1 hour ago Reading: 827
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EFI diesel engine is an efficient and environmentally friendly internal combustion engine. Its performance and efficiency are affected by many factors, including temperature. The temperature sensor plays a vital role in the electronic injection diesel engine. It is used to monitor and feedback the temperature information around the engine to ensure the normal operation of the engine and minimize emissions. This paper will discuss the principle of the temperature sensor of electronic injection diesel engine, including its working principle, type, application and future development trend. 1. Operating principle of the temperature sensor CD74HC03M96 thermocouple or resistance thermometer is usually used as the measuring principle of the temperature sensor of the EFI diesel engine. The working principles of these two sensors are described below. 1.1 ...
Date: 5 hours ago Reading: 827
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Shielded inductance and integrated inductance are two common types of inductance in electronic circuits. They are different in structure, performance and application scenarios. Understanding the difference between the two inductors is crucial for electronic engineers to select the appropriate AMC1100DUBR inductance device. Structure and principle of shielding inductance: shielding inductance is an inductor with a shielding cover around the inductance. This shield is usually made of magnetic materials or metal materials, and its main function is to reduce the electromagnetic radiation of inductance and external electromagnetic interference. The internal structure of the shielded inductor is similar to that of the ordinary inductor, including a coil wound on the magnetic core. The magnetic core can be ferrite, magnetic particle core and other different materials. Features: 1
Date: 5 hours ago Reading: 827
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CCD sensor is a kind of photoelectric converter commonly used in satellite camera system. CCD is the abbreviation of Charge Coupled Device. It can convert optical signals into charge signals and further convert them into digital signals for image acquisition and processing. CCD sensor is usually composed of several photosensitive elements, each of which can receive and convert optical signals. When the light shines on the sensor, the photosensitive element will produce electrons, which will generate different amounts of charge according to the intensity and color of the light. The CCD sensor reads the charge on each photosensitive element line by line
Date: 13:37 yesterday Reading: 827
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SMD power inductor is a common electronic component, which is widely used in various electronic devices. Its main function is to store energy, filter and suppress electromagnetic interference. Because of its superior performance, SMD power inductor plays an important role in modern electronic circuits. In this paper, the definition, working principle and common types of SMD power inductor are introduced in detail, and the common reasons for its failure to withstand voltage are analyzed in depth. Definition and working principle of SMT power inductor SMT power inductor is a surface mount technology (SMT) component, which is different from the traditional lead inductance. It is directly mounted on the circuit board and has the advantages of small size, light weight, easy installation, etc. Power inductance is mainly composed of magnetic core and winding
Date: 13:07 yesterday Reading: 826
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Rotary encoder is a sensor used to measure angular position, speed and direction. It converts the mechanical rotation movement into electrical signals to provide accurate position feedback. Rotary encoders are widely used in industrial automation, robots, CNC (computer numerical control machine tools) and various equipment requiring precise control of rotary motion. Operating principle of rotary encoder Rotary encoder is mainly divided into incremental and absolute. 1. Incremental rotary encoder: The incremental encoder outputs a certain number of pulses to indicate the rotation angle. When the ADC78H90CIMT encoder shaft rotates, it will produce a series of equally spaced pulse signals, which can be used to calculate the rotation
Date: 10:54 yesterday Reading: 826
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Phase Sensor is a sensor used to measure the phase change of objects. It can determine the position, motion or vibration state of an object by measuring the relative phase difference between the object and the reference signal. In printers, phase sensors are widely used to control the position and speed of the print head to ensure print quality and accuracy. The phase sensor usually consists of the following components: 1 Light source: infrared or CY2308ZXI-1H laser diode is usually used as the light source to emit light beam. 2. Photoelectric element: used to receive the light beam emitted by the light source and convert it into electrical signals. 3. Reference signal generator: produce
Date: 09:32 yesterday Reading: 826
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Multi Axis Controller and PLC (Programmable Logic Controller) are common control equipment in the field of industrial control. They play a vital role in automated production lines and mechanical equipment. Next, I will introduce the definition, functions, characteristics and differences between multi axis controller and PLC in detail. Definition of Multi Axis Controller: Multi axis controller is a control device specially used to control the movement of multiple axes (such as servo motor, DS8921AMX stepping motor, etc.)
Date: June 12, 2024 Reading: 826
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Variable Frequency Drive (VFD) and Programmable Logic Controller (PLC) are two common devices in industrial automation. Although they are often used together, they have significant differences in functions, working principles and application scenarios. 1、 Variable Frequency Drive (VFD) 1 Function and working principle The main function of the variable frequency drive is to control the speed and torque of the motor by changing the power supply frequency of the motor. Its basic working principle is to convert the fixed frequency AC (usually 50Hz or 60H
Date: June 12, 2024 Reading: 826
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High frequency pulse transformer and voltage sensor are common equipment in power system, which are used to realize the functions of power transmission, measurement and protection. Their definitions, basic principles and functions will be introduced in detail below. 1、 Definition, basic principle and function of high-frequency pulse transformer 1 Definition: High frequency pulse transformer is a special transformer, which is mainly used to realize the transformation and transmission of high frequency electric energy. It is usually composed of high-frequency magnetic materials and windings, which can realize the transformation and coupling of electrical energy in the high-frequency range. 2. Basic principle: The basic principle of high-frequency pulse transformer is to use the induction of high-frequency magnetic field to transfer electric energy from one circuit to another. Its work is originally
Date: June 12, 2024 Reading: 826
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Crystal oscillators and crystal resonators are widely used in electronic circuits and communication fields. Although they have similar names, they are significantly different in function and structure. This article will discuss the main differences between the two in depth to help readers better understand and apply these electronic components. Definition and basic function Crystal resonator, usually called crystal, is a device that uses the piezoelectric effect of quartz crystal to generate mechanical resonance. It can vibrate at a specific frequency and is used to stabilize and control the frequency in electronic circuits. Crystal resonator is essentially a passive component, which excites and maintains oscillation through external circuits. The crystal oscillator is an integrated crystal resonator and other electronic components (such as amplifier
Date: June 12, 2024 Reading: 826
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The central water pump room is an important part of the water supply system, which is responsible for supplying stable water sources. As one of the key equipment of the central water pump house, the water level sensor is used to monitor the water level and control the operation of the water pump. However, the water level sensor may have some potential safety hazards, such as error, damage, inaccurate liquid level measurement, etc. These problems may lead to abnormal operation of the pump, or even accidents. This paper will discuss the hidden dangers of the water level sensor in the central water pump house, and provide some countermeasures to ensure the safe operation of the central water pump house. 1、 Safety hazard of water level sensor 1 Error and drift: the water level sensor may have error and drift in the use process, resulting in inaccurate measurement results. This can
Date: June 11, 2024 Reading: 826
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Optical isolators and optocouplers are important components in optoelectronics, which are widely used in various electronic and optical devices. They play an important role in isolation, protection and signal transmission. In this paper, the main differences between optical isolators and optical couplers and their applications will be discussed in detail. Optical isolator Optical isolator is a passive device used in optical communication system. Its main function is to make the optical signal can only be transmitted in one direction, so as to prevent the back reflected light from interfering with ADSP-2115KS-66 laser and other optical devices. The optical isolator usually consists of Faraday rotator and polarizer. Operating principle The optical isolator uses Faraday effect, which is a magneto-optical effect. Faraday rotator
Date: June 11, 2024 Reading: 826
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Vibration sensor is a device used to detect and measure the vibration or vibration of objects. It is an important sensor technology, widely used in industry, scientific research, safety monitoring, health care and other fields. The application of CD74HCT20E vibration sensor in electric vehicle controller is becoming more and more important. It can provide key information about vehicle running state and road surface condition. This paper will introduce the application of vibration sensor in electric vehicle controller in detail. 1、 The principle and type of vibration sensor The vibration sensor is a device that can sense vibration and vibration, and it can convert these physical signals into electrical signals. According to different principles and working modes, vibration sensors can be divided into the following
Date: June 11, 2024 Reading: 826
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Single delay relay and double delay relay are different in function and application. Their main difference lies in the number and complexity of delay functions. This paper will introduce the structure, working principle, application scenarios, advantages and disadvantages of single delay relay and double delay relay in detail. Structure and working principle of single delay relay Single delay relay usually has a delay function, that is, it can operate after receiving the signal and passing the preset time interval. Its structure generally includes coil, contact, time control circuit, etc. When the coil is powered on, the time control circuit starts timing. When the preset time is reached, the contact acts to complete the control task. Application scenarios Single delay relays are commonly used to
Date: June 11, 2024 Reading: 825
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Polyester capacitor and ceramic capacitor are common capacitor types, each with different characteristics and application scenarios. The following is a detailed explanation of the characteristics and applicable scenarios of polyester capacitor and ceramic chip capacitor. Polyester capacitor Polyester capacitor, also known as polyester film capacitor, is a capacitor with large dielectric constant. Its main features are as follows: 1 High dielectric constant: the dielectric constant of polyester capacitor is usually between 3.0-10.0, and the high dielectric constant makes it have a large capacitance value. This means that polyester capacitors can provide large capacitance in a relatively small volume. 2. Low leakage current: polyester capacitor has a low leakage current, which means that it can be used for a long time to protect
Date: June 7, 2024 Reading: 825
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Industrial controller and industrial frequency converter are two common equipment in industrial automation and electrical control system. Although they may be related or used together in many applications, their functions and design purposes are quite different. The following is a detailed description of the differences between the industrial controller and the industrial inverter. Definition and function of industrial controller Industrial controller refers to the equipment used to control and manage industrial production process. They are mainly used to monitor and control mechanical equipment, production lines and other industrial processes to ensure the automation, efficiency and accuracy of production. Main type 1: Programmable logic controller (PLC): PLC is one of the most common industrial controllers. It is programmed to achieve
Date: June 7, 2024 Reading: 825
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Magnetic Resistance Wheel Speed Sensor is a sensor used to measure the speed of vehicle wheels. It uses the principle of magnetoresistance effect to determine the wheel speed by measuring the change of magnetic field. The magnetoresistive wheel speed sensor is widely used in vehicles such as automobiles, motorcycles, bicycles, etc. Its main function is to provide wheel speed data so that the system can control and adjust accordingly. The working principle of the magnetoresistance wheel speed sensor is based on the magnetoresistance effect, that is, when the magnetic field passes through a CY7C026AV-25AXI magnetoresistance element, the resistance value inside the magnetoresistance element will change with the magnetic field
Date: June 7, 2024 Reading: 825
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Numerical controlled oscillator is a kind of equipment that can generate high-frequency oscillation signals, which is often used in the fields of vibration testing, excitation and control in industrial production. The following is a detailed introduction to the structural features, working principles, main functions, applications and challenges of the CNC oscillator. 1、 Structural features: 1. Oscillating circuit: the CNC oscillator generally adopts LC oscillation circuit, which is composed of inductance and capacitance, and can generate stable high-frequency oscillation signal. 2. Control system: The numerical control oscillator has a microprocessor control system, which can realize automatic control and adjust oscillation frequency, amplitude and other parameters. 3. Drive device: the numerical control oscillator adopts a motor drive device, which can provide sufficient power output. 4. Housing and
Date: June 7, 2024 Reading: 825
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