How does a high-voltage power transformer work

High voltage transformer is a type of electrical equipment mainly used to convert voltage from the high voltage end to the low voltage end. It is mainly composed of iron core and winding. The iron core is made of highly magnetic conductive material to provide a strong magnetic circuit, while the winding is used to carry current and generate a magnetic field. The following is a brief introduction to the working principle, operation, and maintenance of high-voltage transformers.

1. Working principle:

High voltage transformers work using the principle of electromagnetic induction. When a high-voltage power supply is connected to one side of the winding, current flows through the winding, generating a magnetic field. The magnetic field passes through the iron core and then senses along the winding on the other side. According to Faraday's law, when the magnetic flux changes on the other winding, an induced electromotive force is generated. According to the winding ratio, the induced electromotive force will change the voltage at the output terminal.

2. Running process:

During operation, high-voltage transformers rely on external power sources to provide electrical energy. The voltage of the high-voltage power supply is connected to a high-voltage winding, while the low-voltage winding is connected to the equipment that uses electrical energy. When an external power source is powered on, high voltage current passes through the high voltage winding, forming a magnetic field. The magnetic field passes through the iron core and induces the voltage on the low-voltage winding. In this way, the voltage of the high-voltage power supply will be converted into low-voltage voltage and supplied to the equipment in use.

3. Maintenance:

In order to maintain the normal operation of high-voltage transformers and extend their lifespan, the following points need to be noted:

-Regularly inspect the windings and iron cores for damage, corrosion, or looseness. If there are any problems, they need to be repaired or replaced in a timely manner.

-Check the insulation status of the winding to ensure that the insulation is intact. If insulation damage is found, it must be repaired in a timely manner.

-Clean and maintain the cleanliness of the surrounding environment of the transformer to prevent dust or impurities from entering the transformer and causing malfunctions.

-Regularly inspect and replace the insulation oil inside the transformer to ensure good quality of insulation oil and maintain stable insulation performance.

-Monitor the temperature and humidity of the transformer to ensure they are within the normal range. If the temperature is abnormally high or the humidity is too high, timely measures should be taken to adjust or repair it.

The above brief introduction to the working principle, operation, and maintenance of high-voltage transformers can help understand the basic principles and operating points of high-voltage transformers.

How to control drones

With the rapid development of technology, drones, as a new type of intelligent aircraft, have been widely used in various fields such as aerial photography, agriculture, logistics, and rescue. So, how do drones achieve precise control? This article will provide a detailed answer to this question regarding the control principles, control systems, control methods, and future development trends of unmanned aerial vehicles.

1. Control principle of unmanned aerial vehicles

The control principle of unmanned aerial vehicles is mainly based on aviation mechanics, electronic technology, and control theory. Its core lies in real-time monitoring and adjustment of the attitude, speed, altitude and other parameters of the drone through its internal flight control system, in order to achieve stable flight and precise control.

The drone flight control system usually consists of three parts: sensors, controllers, and actuators. Sensors are responsible for collecting information such as the attitude, speed, and altitude of drones. The controller calculates control instructions based on this information and then drives the drone to perform corresponding actions through actuators such as motors and servos.

2. Control system of unmanned aerial vehicle

The control system of unmanned aerial vehicles is the key to achieving precise control. Generally speaking, the control system of a drone includes two parts: ground control system and onboard control system.

The ground control system mainly consists of remote controllers, ground stations, and other equipment. The remote control communicates with the drone through wireless signals, and the operator can issue control commands through the remote control to control the drone's takeoff, landing, flight trajectory, etc. The ground station is responsible for higher-level task planning, data processing, and real-time monitoring functions.

The onboard control system mainly includes flight control board, sensors, actuators, etc. The flight control board is the "brain" of the drone, responsible for processing information from sensors and calculating control commands. Sensors are responsible for collecting various status information of drones, such as attitude, speed, altitude, etc. The executing mechanism drives the various components of the drone to perform corresponding actions according to the instructions of the flight control board.

3. Control method of unmanned aerial vehicle

There are various control methods for drones, including manual control, automatic control, and hybrid control.

Manual control is the most direct control method, where operators issue commands through a remote control to control the flight of the drone. This method requires operators to have certain flying skills and experience, but can achieve high flexibility and real-time performance.

Automatic control is the use of pre-set programs or algorithms to enable drones to autonomously complete flight tasks. This method does not require manual intervention and can greatly improve the stability and efficiency of flight. For example, in the field of aerial photography, drones can automatically capture images through pre-set routes, greatly reducing the burden on operators.

Hybrid control is a combination of manual control and automatic control, which retains the flexibility of manual control while leveraging the stability advantage of automatic control. In practical applications, operators can flexibly choose control methods based on task requirements and environmental changes.

4. The development trend of drone control technology

With the continuous development of technologies such as artificial intelligence and big data, drone control technology is also constantly advancing. In the future, drone control technology will present the following development trends:

  • Intelligence: By introducing artificial intelligence algorithms, unmanned aerial vehicles can achieve autonomous decision-making and intelligent obstacle avoidance functions, improving flight safety and efficiency.
  • Clustering: Through drone clustering technology, multiple drones can collaborate to improve task execution efficiency and reduce costs.
  • Cloudization: With the help of cloud computing and big data technology, real-time transmission and processing of drone data can be achieved, providing strong support for decision-making.
  • Standardization: With the continuous expansion of the drone market, the standardization and normalization of drone control technology will become an inevitable trend, which will help promote the healthy development of the drone industry.

In summary, the control of Agricultural drones involves multiple fields such as aviation mechanics, electronic technology, and control theory, achieving precise control through flight control systems, control systems, and various control methods. With the advancement of technology, drone control technology will continue to develop towards intelligence, clustering, cloud computing, and standardization, providing more efficient, secure, and convenient support for applications in various fields. In the future, drones will play an important role in more fields, bringing more convenience and possibilities to human production and life.

How to distinguish fast and slow charging of charging stations

The charging methods of electric vehicles are mainly divided into fast charging and slow charging, which correspond to DC and AC interfaces respectively to meet the needs of different speeds and costs.

Generally speaking, there are usually 5 fast charging interfaces, while slow charging has 2 more, reaching 7 interfaces. Visually, the thickness of the fast charging cable has also become a clear distinguishing feature. For some car models, due to cost control or battery capacity considerations, only one charging mode may be provided, with only one charging port.

fast charging station and slow charging station

In practical operation, fast charging utilizes high current DC or AC technology to charge batteries at lightning speed, but this fast charging method requires more complex station construction facilities and higher cost investment.

In contrast, slow charging uses the vehicle's built-in charging system to charge the battery in a smoother way, which is beneficial for battery life and has lower construction costs. However, it takes a longer time to fully charge, usually 8 to 10 hours.

Understanding these differences can help you make informed decisions when choosing a charging method, whether for daily commuting or long-distance travel, and find the most suitable charging strategy.

The function of power transformer

A power transformer is an electrical component used to transform voltage, current, or impedance, and is the main equipment for transmitting and distributing electricity in the power system. Its main functions include voltage conversion, impedance conversion, phase conversion, and safety isolation. ‌

Voltage conversion

The most basic purpose of a power transformer is to perform voltage conversion, whether it is boosting or lowering. For example, when transmitting electricity over long distances, transformers can increase the voltage sent out by power plants to reduce losses during the power transmission process; In places where electricity is used, transformers lower the high voltage to supply electrical equipment and users. The ability to convert this voltage makes transformers play a crucial role in the power system. ‌

Impedance transformation

Power transformers also have the function of impedance transformation. Impedance transformation is the process of maximizing signal power transmission by changing the impedance matching at both ends of a circuit. For example, in the output of a television antenna, a balanced 300 Ω television signal is transformed into an unbalanced 75 Ω signal through a transformer to match the input impedance of the high-frequency head. This impedance transformation capability makes signal transmission in circuits more efficient. ‌

Phase transformation

Power transformers can also perform phase transformation by changing the phase of the signal voltage by exchanging the connections of the transformer coils. In certain specific circuit designs, such as push-pull power amplifiers, phase transformation can alternately amplify positive and negative half cycle signals, thereby achieving signal processing and amplification.

Safe isolation

Power transformers also play a role in safety isolation in the power system. When there is an abnormality in the primary or secondary side of the transformer, due to the isolation effect of the transformer, it will not affect the normal power consumption of the other side, thus ensuring electrical safety. ‌

In summary, power transformers play a crucial role in the power system through their functions of voltage transformation, impedance transformation, phase transformation, and safety isolation, ensuring the efficiency, safety, and normal operation of equipment in power transmission. ‌

What conditions do drones need to meet for flight?

Drone flight requires certain conditions to be met, including but not limited to the following:

1. Airspace requirements: Drone flights must be conducted within designated airspace and must comply with aviation regulations and rules. Specific airspace requirements may vary depending on regional, national, and even international regulations, so before conducting drone flights, we need to understand and comply with local airspace regulations.

2. Weather conditions: Drone flight is greatly affected by weather conditions such as wind speed, visibility, humidity, etc. In adverse weather conditions, drone flight may pose safety hazards. Therefore, we need to choose suitable flight weather based on weather forecasts and actual conditions.

3. Technical requirements: Drone flight requires certain technical knowledge and skills. Including the ability to understand unmanned aerial vehicles, operational skills, emergency response, and other aspects. We offer professional drone training courses to help you master the basic skills and knowledge of drone flight.

4. Equipment requirements: The drone flight requires the use of qualified equipment and accessories, including the drone body, remote control, sensors, batteries, etc. When selecting equipment and accessories, we need to ensure that their quality and performance comply with relevant standards and regulations.

5. Safety awareness: Drone flying requires a strong sense of safety. During the flight, we need to constantly monitor the position, altitude, speed, and other parameters of the drone to avoid collisions with other aircraft or obstacles. At the same time, we also need to comply with flight rules and instructions to ensure the safety and legality of drone flights.

To ensure the smooth operation of drone flights, we recommend that you choose businesses with professional knowledge and experience for consultation and services. We provide drone related courses, leasing, buying and selling services, and are committed to providing customers with high-quality and safe flying experiences.

Working principle of electromagnetic acoustic transducer thickness gauge

Electromagnetic acoustic transducer thickness gauge is an industrial equipment that uses electromagnetic acoustic transducer (EMAT) technology to measure the thickness of an object. Its working principle is based on the principle of electromagnetic acoustics. It measures the thickness of an object by emitting sound waves. It has the advantages of high precision, non-contact measurement, and no influence from the surface state of the workpiece.

Overview of working principle

Electromagnetic acoustic transducer thickness gauge measures the thickness of an object by emitting sound waves. When a sound wave enters from one medium into another, it will be attenuated. The degree of this attenuation depends on the density of the two media and the frequency of the wave. The attenuation of sound waves can be used to measure the thickness of a material because the attenuation rate of sound waves in different materials can be measured. The thickness measurement results of the electromagnetic acoustic transducer thickness gauge are not affected by the angle and have high measurement accuracy; no coupling agent is required, and the measurement is more convenient; the oxide scale and paint on the surface of the rough workpiece have no effect on the measurement results of the workpiece; the thickness can be measured through the coating.

Technical features

Non-contact measurement: no direct contact with the object to be measured is required, reducing the risk of damage during the measurement process.

High precision: The measurement results are accurate and are not affected by the surface state of the workpiece, including oxide scale, paint, etc.

Fast detection: Suitable for scenes where it is difficult to stop the machine for detection, such as high-temperature and high-pressure pipelines.

Strong adaptability: Suitable for thickness measurement of a variety of magnetic and conductive materials.

Application scenarios

Electromagnetic acoustic transducer thickness gauges are widely used for thickness measurement in the industrial field, especially in the detection of high-temperature and high-pressure pipelines, storage tanks and other equipment that cannot be stopped for detection. Due to its non-contact and high-precision characteristics, it is particularly suitable for industrial environments with high safety requirements. In addition, since it can measure thickness through the coating, it also has important applications in anti-corrosion layer thickness detection, material quality control, etc.

In summary, the electromagnetic acoustic transducer thickness gauge provides an efficient and accurate solution for thickness measurement in the industrial field through its unique working principle and technical characteristics, especially in scenes with high safety and precision requirements. It plays an important role.

Non-standard Automatic Assembly Machine for Hardware Lockset

Automatic Assembly Machine for Hardware Lockset, lockset component production equipment, with high efficiency and excellent quality, can effectively reduce labor costs, improve production efficiency, adjust, and achieve automatic assembly of various lock cores, lock core caps, and various locks. We can also customize automatic assembly equipment according to the different needs of customers.

 

 

We also offer technical support and assembly lockset components project. Contact Wanerhua Co., to learn more.

 

Automatic Assembly Machine for Hardware Lockset

At Wanerhua (Xiamen) Intelligent Machinery Co., Ltd, we can design and build custom precision automation provides door lock hardware assembly equipment non-standard custom machine, all kinds of lock core assembly, door lock hardware assembly, welcome to consult and confirm, customized for you to suit your enterprise automatic assembly equipment.

 

Automatic Assembly Riveting Machine

 

Application of AUTOMATIC ASSEMBLING RIVETING MACHINE

Assembly Machine for automatic riveting machines, semi-automatic riveting machines, in-line riveting machines and other riveting industries.

Automatic Assembly riveting machine are mainly used in Non-standard Automative Industry, automotive industry, hardware lockset / bathroom, Electric & Electronic, electronic products, medica equipment, mechanical parts, precision parts of equipment,  unmanned intelligent equipment and other fields.

 

Who is make AUTOMATIC ASSEMBLING RIVETING MACHINE?

 

WANERHUA to help customers improve production efficiency and reduce labor costs, cast first-class products, and improve enterprise comprehensive competitiveness.

 

How about the advantages of automatic assembly riveting machine?

 

Integration of many riveting locations into a single machine;

Cost saving and improved productivity;

Automation assures quality of riveted seat tracks;

Capability to hold down the part at any point to improve assembly;

 

The Application of EPE Foam pipe extrusion machine

EPE Foam pipe extrusion machines are advanced equipment designed for the continuous production of extruded polyethylene (EPE) foam insulation pipes.

EPE Foam pipe extrusion machines

These machines are engineered to provide high-quality insulation for air conditioning ducts, ensuring energy efficiency and thermal comfort. With precise temperature control and extrusion capabilities, they produce uniform, lightweight, and durable EPE foam pipes that are easy to install and maintain. Ideal for HVAC applications, these machines streamline the manufacturing process, delivering consistent and reliable insulation solutions.

EPE Foam pipe extrusion machines are utilized in a variety of applications primarily due to their ability to produce extruded polyethylene (EPE) foam insulation pipes. Here are some key applications:

1、Air Conditioning Systems: They are commonly used for insulation of air conditioning ducts to enhance energy efficiency and maintain thermal comfort.

 

2、HVAC Industry: These machines are integral to the heating, ventilation, and air conditioning industry for producing insulation that helps in reducing heat loss or gain.

 

3、Construction and Building: EPE foam pipes are used for thermal insulation in construction projects to improve energy conservation in buildings.

 

4、Packaging Industry: Due to their lightweight and cushioning properties, EPE foam pipes can be used for packaging materials to protect fragile goods during transportation.

 

5、Industrial Insulation: They serve as insulators in various industrial applications where temperature control and energy efficiency are crucial.

 

6、Manufacturing of Profiles: The extrusion process allows for the creation of various foam profiles, which can be tailored for specific uses in different industries.

 

7、Environmental Protection: EPE foam is recyclable, contributing to the environmental sustainability of products that use it.

 

 

These applications highlight the versatility and importance of EPE Foam pipe extrusion machines in modern industry, particularly in sectors where thermal insulation and energy conservation are critical.

 

What are the advantages of using Fuliyuan's EPE foaming machines to produce products

In today's fast-paced world, packaging and cushioning materials play a vital role in protecting products during transportation and storage. Expanded polyethylene (EPE) foam has become a versatile and efficient choice for all walks of life. The foam products produced by Fuliyuan's high-quality EPE foaming machines have a series of advantages. For example, light product weight, better product density, harder product hardness, more material savings, lower energy consumption, better product flatness, and so on.

 

EPE foam has excellent cushioning properties, making it an ideal material for protecting delicate and fragile items. The closed-cell structure of EPE foam enables it to absorb and disperse impact forces, thereby reducing the risk of product damage. Fuliyuan Machinery's cutting-edge EPE foam production technology ensures consistency in cell structure and density, resulting in excellent cushioning properties.

 

One of the main advantages of EPE foam products is their light weight. Unlike traditional packaging materials such as wood or metal, EPE foam provides excellent protection at a very low weight. This lightweight property not only makes handling and transportation more convenient, but also helps save costs as it reduces transportation expenses.

 

The EPE foam products produced by our EPE sheet machine are known for their flexibility and adaptability to a variety of applications. The foam can be easily cut, molded and shaped into different shapes, which can be customized to specific packaging requirements. From small electronics to large appliances, EPE foam can be tailored to provide the best fit, ensuring maximum product protection.

 

EPE foam has inherent moisture resistance, which protects products from water damage during transportation or storage. This feature is essential for industries that handle sensitive electronics, pharmaceuticals or food. In addition, EPE foam has excellent thermal insulation properties, which prevents temperature fluctuations that may affect the integrity and functionality of packaged items.

 

Fuliyuan Machinery produces environmentally friendly EPE foam products. EPE foam is non-toxic, recyclable, and does not emit harmful gases when incinerated. Its recyclability reduces waste generation and promotes a circular economy, making it a responsible choice for environmentally conscious businesses.

 

EPE foam can be applied in a variety of industries. It is commonly used in electronics, automobiles, furniture, medical devices, and e-commerce packaging. Fuliyuan Machinery produces high-quality EPE foam products that meet the specific needs of each industry, ensuring optimal performance and customer satisfaction.