RCCN WeChat QrCode
Mobile WebSite
According to Mohamed el-Khayat, executive chairman of the Egyptian New Energy and Renewable Energy Administration (NREA), Egypt's renewable energy has reached 6,000 megawatts of capacity, of which 2,0
5648
How do we see these windmills that turn around day and night to convert wind energy into electricity?Like the wings of an airplane, the principle of wind power generation is to use the wind to drive t
10660
The operation of a joint affects the function of the entire equipment, and the suitable waterproof joint can bring about a multiplier effect. So, how to choose a suitable joint? We can consider the fo
5986
As the next-generation mobile communication network standard, 5G technology brings together the wisdom of ICT experts and researchers around the world. With the accelerated pace of global commercializ
5077
Recently, the National Development and Reform Commission, which was undertaken by China Tongfa, has established the project “Key Technology Industrialization of High-Speed Railway Train Control System
9843
Whether in mechanical manufacturing, medical equipment, automotive electronics, or communications technology, we can see that sensors play an important role. With the development of sensors, man
9663
Wind power and solar energy are the most mainstream renewable energy technologies in the world. Recently, there is good news in equipment manufacturing. Spanish wind turbine manufacturer Acciona is cr
9774
The types of materials in the terminals are different. Today we will mainly introduce the types of terminals for the copper.1. Plug-in copper terminal The terminal is mainly formed by two plug-a
9863
With the rapid development of urban transportation in China, 15 cities in the country with more than 3 million people have applied for the construction of subways and urban light rail roads. The total
9806
In mid-May, the Volkswagen Group announced that it will establish a battery factory with its partners in Europe. Diss, the CEO of Volkswagen Group, bluntly stated that “this will be an important miles
11536
At 16 o'clock on the afternoon of May 16, the first wind turbine of Xinjiang Ronghe Power Station invested by the Electric Power Construction Group was connected to the grid for power generation.Xinji
10338
First and second process:1 Scope of application This code of practice applies to the secondary wiring of various 0.4kV~35kV switchgear electrical equipment.2 Reference standard &
10830
According to Bloomberg News, as the Sino-US trade war heats up, China will raise retaliatory tariffs on US$60 billion of US goods from June 1. At least 10 merchant ships are accelerating to China port
10226
Electrical control cabinet
9462
Nowadays, the development of electric vehicles is getting faster and faster, and the research and development of electric motor motors has attracted everyone's attention, but there are very few people
5199
The automatic train control system (ATC) is essential for the high efficiency and high density requirements of urban rail transit systems. One of the important subsystem train automatic driving (drivi
5301
Special heat shrinkable tube for automobile wiring harness, a new type of environmentally friendly casing with halogen-free flame retardant characteristics. The product is inexpensive and can provide
6632
Recently, the China Railway 14th Bureau of China Railway Construction successfully applied the high-speed rail CRTSIII track board to the construction of the Beijing New Airport Line subway, which sol
10585
As a foundation of a country's economic development, manufacturing is crucial to a country's economic development and social stability. Especially in the context of the complex and ever-changing world
10784
The world's largest LNG ship through the Panama Canal innovation milestoneOn May 13th, Qatargas's “Al Safliya” successfully passed the Panama Canal and became the first Q-Flex LNG carrier through the
11495
Waterproof joints We can literally understand what kind of joint it is. The cable gland is actually a safe and stable cable gland in the presence of water. For example, the LED roadway lights or lampp
11102
In fact, there is no such thing as the title of the new energy vehicle development route. Whether it is policy or resource ratio, the pure electric route has become the mainstream in the current
11561
The UL wire of the electronic wire is a general term for the UL-certified electronic wire. It is an electronic wire that meets the environmental requirements of the EU ROHS standard. It is generally u
6859
1. Cable cutting2. Stripping cableStrip the cable as shown in the figure (A/2+B) and cut the end into a reaction cone (commonly known as the"pencil head"), then puncture the receiving crimp. After cri
10664
A new round of industrial transformation has swept the world, and artificial intelligence has become the core direction of a new round of industrial transformation. Nowadays, more and more traditional
9396
How to waterproof the wire connectorHigh-pressure waterproof tape, the same as the general plastic insulation tape, can be wrapped up. This kind of tape looks like rubber. It is like the black, soft,
7594
The quality of the terminals is determined by the plastic insulation and conductive parts, which determine the insulation and electrical conductivity of the terminals. Failure of any of the terminals
14117
The robot has the title of “the jewel of the top of the manufacturing crown”, and its research and development, manufacturing and application have become an important indicator to measure the level of
13763
The waterproof joint of the metal waterproof cable joint comprises a screw sleeve having an inner hole having a top external thread and a second external thread on the outer circumference of the screw
13332
The terminology of the terminal block is a terminal that can be wired, which is also the meaning of the terminal. The development of terminal blocks has a history of more than one hundred years. It st
11887
According to foreign media reports, autonomous vehicles are expected to become a subversive technology that will revolutionize many aspects of society. Although some autopilot prototypes have revealed
13159
UL94 HB: horizontal burningThis plastic burns slowly but does not self-extinguish. This type is the lowest level of UL, and is often used when the vertical V0, V1 or V2 method does not work.UL94 V0, V
14441
As we all know, the motor control system is the key to ensure efficient operation and low power consumption, but now it is required to minimize energy consumption and loss, and to continuously improve
15811
NO.1 Can electric vehicles wading in the end?As everyone knows, when a mobile phone falls into the water, it basically means that the TA is going to"end to sleep", and if the electric car with the bat
13170
▶▶Installation of wire and cable joints during power construction: Points and treatments In the power engineering installation, the cable terminal head and the intermediate join
13183
1."One millimeter"is a considerable scale in the machinery industry, even in the entire manufacturing industry. If you see an ad like"accurate to the millimeter"on TV someday, remember to blacken the
12481
It can go to the sea that the wind turbine cannot reach.Image source: MakaniMakani has graduated from Google X Labs and its energy kite (Energy Kite) will take off at sea.The company, founded in 2006,
13650
The AC-DC-AC inverter firstly filters the three-phase AC power and converts it into DC power through the bridge rectifier circuit. After filtering, the DC power is converted from the bridge inverter c
14005
Detection and judgment of wire harness burnout failureThe burnt wire bundles are all suddenly occurring, and the burning speed is very fast. In the burned circuit, there is generally no safety device.
11285
1. What is the basis for lithium-ion batteries to be safe and green?The inventor of lithium cobalt oxide, lithium manganate and lithium iron phosphate cathode materials, one of the founders of lithium
9784
Automotive wire harness welding currently has two main types of crimping and ultrasonic welding: crimping is the use of terminals to press together multiple strands of wire to form joints; ultrasonic
10278
Photovoltaic technology, reducing costs is a strategic directionCrystalline silicon photovoltaic technology dominates the market. Of all solar arrays in devices worldwide, approximately 87% consist of
10661
R&D backgroundThe traditional manual bellows cutting machine adopts C-type cutting tool. When it is used, due to the error of manual operation, it may cause the cutting to be not straight, which c
10768
The electronic wires in the electronic wires are used for weak electrical projects, such as internal wiring of electronic and electrical equipment. The general nominal is based on AWG, and the interna
10239
The basic performance of connectors can be divided into three categories: mechanical, electrical, and environmental.1. Mechanical properties Insertion force is an important mechanical property in term
9780
1 GGD series switchgear1.1 Use GGD type AC low-voltage power distribution cabinet is suitable for power distribution of 50Hz, rated working voltage 380V and rated working current 1000-3150A for power
10231
First, the fan must be installed firmly to reduce noiseImagine if the fan is not firmly fixed on the heat sink, but it is loose, what kind of phenomenon will such a fan produce during high-speed rotat
10308
Who is the first car company to eat crabs?According to the analysis of major customers of Mitsui Metals, its main customers are major automobile manufacturers such as Toyota and Honda. At present, Toy
9725
Due to the different construction of intelligent transportation projects in various regions of China, this paper focuses on the construction of large-scale intelligent transportation projects in 2018
6287
1 Overview: The EY.DFW□-12 outdoor high-voltage cable distribution box is an outdoor high-voltage electrical equipment with rated voltage of 12kV and rated current of 630A and below. It is widely used
6649
Many people have found that the plastic corrugated pipe in the house does not take long to be broken, and the pipe is easily broken. In a few months, the light plastic bellows has to be replaced by se
10735
3D printing technology is being used in a variety of industries, small enough to help you build a small toy, large enough to manufacture aerospace precision devices. Previously we talked about 3D prin
11388
In many devices, it is often necessary to connect the terminal blocks. After the connection, the transmission can be used. Especially in the electrical field, the terminal blo
9785
Robot welding ▼ String machine ▼ The following is to introduceThis German universal wrench has been hot recently...Because it can almost screw all the nutsVarious sizes ▼ Various shapes ▼ Variou
11349
The terminal block is a common basic accessory product in the automation industry. It mainly completes the effective transmission of intermediate media such as signals and currents. The safety protect
11849
Investment in artificial intelligence industry is in full swing, * strategy and planning are in full swing... In the first quarter of 2019, the development of a new generation of artificial intelligen
9610
The bellows refers to a tubular elastic sensing member that is connected in a folding and contracting direction by a foldable crepe sheet. Bellows are widely used in instrumentation and are mainly use
10544
"The overall development of perovskite technology is now very clear and clear, and people who do not see this may delay the timing."For the commercial mass production of perovskite photovoltaic cell t
11357
On the evening of April 21, a fire broke out in an underground garage in a residential area in Shanghai. The cause was a self-ignition of a Tesla Model S parked in a ground floor garage and quickly ig
11887
The terminal is generally composed of a spring piece, a conductive part and an insulating part (plastic case). When wiring, push the screwdriver into the square hole on the right side of the molded ca
11586
end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form a pressure sensor that outputs electricity, sometimes as an isolation eleme
11986
As an important embodiment of green development, the wind power industry is an important pillar of economic growth and an important field of scientific and technological innovation. It has become a st
11140
Star connection: Three windings, one end connected to one phase of the three-phase voltage and the other end connected together.Delta connection: Three windings are connected end to end, and three pha
12573
JL5500 is a new type of ultra-high-speed marine police law enforcement ship built by Jianglong Boat to enhance China's marine law enforcement capabilities. The ship has a total length of 55 meters and
11304
There are many copper-aluminum transition terminals on the cable connector, but many times we will find that the terminal will be blown after a period of use. The reason for this situation is followed
11422
With the rapid development of science and technology, photovoltaic power generation technology has been widely used at home and abroad. Its application forms are various, and its application places ar
12727
The zero-subsidy project that is expected to be the first to be put into production in the world is the Siemens SG10.0-193DD model. It should be known that the model was released only for 3 months, wh
11614
At about 21:30 pm local time on April 13th, a Suezmax tanker"MT MAHARAJA AGRASEN"carrying 98,000 tons of crude oil moored on the coast of Mumbai had a fire explosion. At that time, there were more tha
12463
High-current terminal block: The PA66 material is halogen-free and does not generate vaporized acid rain when burning. In addition, PA66 has excellent resistance to adverse weather conditions and does
11917
In 2018, the shared bicycle industry has passed through a cold winter. Many companies have said that they have fallen, and most of them can still be acquired. The overall development of the market has
11519
The electrical discipline is still one of the thriving sciences. With the rapid development of the national economy and the modernization of national defense construction, more and more demands are pl
11669
Analyze the market trend of DC motors for vehicles and explain why solid-state drives (SSDs) are better design architectures in terms of diagnostic functions, optimization of switching time, weight reduction, and (most importantly) improved reliability.
11816
Many users are very confused when using cable connectors. If there is a problem with the quality of the cable connector or there is a problem in other places, it may cause a big accident. The followin
11410
Everyone knows that there are many types of terminal blocks, and the different types of places are different. Today, Xiaobian introduces where the bus terminals are suitable for use. Want to kno
10844
At present, Industry 4.0, which is dominated by smart manufacturing, is profoundly affecting traditional manufacturing in the fields of pharmaceutical equipment. What is the concept of “tra
10876
The insulator itself acts as a device that can be placed between different potential conductors and conductors or between conductors and ground to withstand voltage and pressure. Insulators are a spec
11811
First, the structure and working principle 1. Structure: It is generally composed of metal cable joint electromagnetic mechanism, contact, arc extinguishing device, release spri
6137
In the use of cold-pressed terminals, what are the places that need our attention? The following small series will introduce you to this knowledge.1. When we are cleaning the cold-pressed terminals, w
6382
Today, I mainly introduce the processing technology of several common metal joints, mainly in the following three types:1. Metal cutting. The metal cutting of the hose joint is mainly for turning, usi
10279
The power distribution cabinet/box is a massive parameter on the data. Generally, it constitutes a low-voltage forest. According to the electrical wiring, it is required to assemble the switchgear, me
10567
Thanks to the automation upgrade of the smartphone manufacturing industry and the automobile factory, the industrial robot market in China has shown a rapid growth trend in the past few years, but thi
12067
The bridge frame is a general term for a system of continuous rigid structures for supporting cables by straight lines of trays, ladder frames, bends, attachments, and supports and hangers. The
11847
From the beginning of its birth to the present, nylon cable ties have undergone a baptism of time. For various purposes and in order to adapt to various environments, many types of cable ties have bee
12486
At 21 o'clock on April 10th, Beijing time, astronomers held a global press conference to announce the first direct photograph of the black hole. This photo is hard to come by. In order to get this pho
10843
R&D background:The laying of communication cables is an indispensable task in communication engineering. The traditional communication cable laying process is to first excavate the trenches and th
12301
With the continuous development of industrial automation in China and the implementation of China's smart manufacturing 2025 plan, industrial robots, one of the most typical high-end smart devices in
13908
1. Brief introduction of nylon cable ties Because of the speciality of the product (thin wall, the product injection process is relatively large), the mold, injection molding process and materials are
6599
With the rapid development of technologies such as automatic control, Internet of Things, and big data, the trend of automation and intelligence in the transportation field has become more and more ac
10081
In recent years, news of firefighters’ casualties in fire accidents has continued. According to the Fire and Rescue Bureau of the Emergency Management Department, there were 237,000 people in the whol
11915
As the most important choice for new energy vehicle charging, the proportion of public vehicle piles at this stage is seriously uncoordinated, which is a huge obstacle to the charging of new energy ve
11302
"The drone appeared in the 1920s. Its appearance was related to the Second World War. Of course, it was also used for military purposes. With the development of the past century, drone technology has
10870
The real realization of industrial automation requires highly intelligent industrial robots to replace part of human work. Obviously, if you want smart robots to replace human work well, the first thi
11243
The wire harness is equivalent to the blood vessels of the vehicle and is accurately connected to the various accessories, so that the entire vehicle can operate safely. There is a strict and correct
10584
According to the national standard information public service platform information, the National Information Technology Standardization Technical Committee proposed and managed, the State Administrati
11767
First, the principle and characteristics of SLM technologyThe laser selective melting (SLM) technique is a technique in which a high-energy laser beam is used to scan a pre-laminated metal powder acco
11187
With the spread of various kinds of news, the main outline of the new PV subsidy policy in 2019 has gradually become clear, that is, the subsidy program discussed by relevant departments and enterpris
11208
Intelligent networked car is equipped with advanced in-vehicle sensors, controllers, actuators and other devices, and integrates modern communication and network technology to realize intelligent info
12138
Life time is a common challenge for all smartphones today. SunPartner, a French startup, wants to change this through their technology – solar cells on the phone screen to charge the phone, and they have developed a transparent film and put it into trial.
14885
In recent years, drones have become hotspots in consumer electronics products, and they have gradually entered the fields of agriculture, geography, security, transportation, and other industries. In
7488
The staff familiar with the mold temperature machine knows that the mold temperature machine is generally divided into two types: water mold temperature machine and oil mold temperature machine. It is
13866