In August , Yangzhou City , Jiangsu Province was announced by the Ministry of Science and Technology as the first " smart grid special industrial base " for the National Torch Plan. In July of this year , the Shanghai Municipal Government and the State Grid Corporation of China formally signed the “Smart Grid Cooperation Strategic Cooperation Agreement†to accelerate the construction of the Shanghai Grid Smart Grid Research and Development Center of the State Grid Corporation of China.
Chinese-style smart grid
Liu Zhenya , general manager of China State Grid Corporation of China , believes that based on the characteristics of China Electric (600795) network, such as decentralization , the State Grid Corporation of China has given the definition of " Chinese-style smart grid " : UHV grid as the backbone grid, coordinated development of all levels of power grids Based on a strong power grid , it uses advanced communications, information, and control technologies to build a unified " strong smart grid " featuring information, automation, and interaction.
"After the completion of the smart grid, once the line trip, immediately dispatching system in real-time monitoring, the rapid restoration of electricity; smart grid can help you save money, as long as a home improvement on a per chip and connected to the smart socket, you can automatically sense the power grid, electricity prices changes in real time, to help you select the power of time. "State power grid Corporation of scientific research vice president Yan Hua Feng said.
The smart grid also allows the " sale of money " to be sent to the grid by installing a smart meter. In the pilot project of the Beijing Lianxiangyuan Intelligent Community , solar panels are installed on the roofs of residential buildings . When solar panels generate electricity, they can be sent to the public power grid to generate income.
Compared with traditional grids , smart grids emphasize the realization of two-way interaction between grids and users , and are cleaner , more efficient, safer, and more economical . They not only ensure the safety and economy of electricity consumption to users , but also improve the efficiency of grid equipment . Can greatly promote energy-saving emission reduction , has a broad development prospects.
According to the State Grid Corporation plans to develop smart grid in China's three stages step by step: 2009 - 2010 is planning the pilot phase; 2011-2015 was the construction phase; 2016 and 2020 is leading the upgrade stage, Completely build a unified " strong and smart grid " with technology and equipment reaching the international advanced level.
Drive economic innovation growth
Recently , with the first and second batch of centralized tendering projects named by the Smart Grid Project of the State Grid Corporation of China announced in Beijing , it indicates that the huge emerging energy industry cake of the smart grid has gradually been cut. Xiao Liye, director of Institute of Electrical Engineering Chinese Academy of Sciences believes that large radiation range of smart grid, including instrumentation, information and communication networks, electric vehicles, smart appliances, etc., but also may lead to many new industries, such as smart cities, new Financial business etc. " The planning and construction of the smart grid by 2040 will achieve an output value of more than 40 trillion yuan. "
While stimulating economic growth , through the construction of a smart grid , we will effectively improve the way users use energy , reduce the use of fossil fuels , and realize a low-carbon economy. " By 2020 , China's clean energy installed capacity will reach 600 million kilowatts , accounting for about 35 % of the country's total installed capacity , and the power generation will account for about 27 % of the total power generation. It is expected that from now until 2020 , it will use a strong smart grid as a platform . Through the joint efforts of all parties , it will promote the realization of a total of more than 10 billion tons of carbon dioxide emission reductions. †Liu Zhenya said at the Shanghai World Expo National Grid Pavilion special events day forum.
Will usher in the full construction period
The regional differences in China are relatively large . In the pilot phase, the layout of smart grid construction is more in line with national conditions. From August 2009, the State Grid Corporation of China in 26 provinces and cities have launched the construction of a total of 21 class 228 smart grid pilot projects. Among them , the second batch of pilot projects this year totaled 16 categories , involving the settlement of new energy sources such as wind power and photovoltaics , and construction of electric vehicle charging stations.
At present , the Shanghai Smart Grid Comprehensive Demonstration Project has been completed and operated . This demonstration area includes 9 demonstration projects and 4 demonstration projects. According to State Grid Pavilion Expo instructors introduced, the park many venues, including the power supply from the China Pavilion, including new energy, all venues have smart meters installed to achieve a smart power.
National Energy Board chief engineer Wu Guihui said it is preparing energy industry, "second Five Year Plan" has been the development of smart grid as an important content included.
1.27mm (0.050") Pitch Female Headers
Like the 1.27mm pitch male header, the 1.27mm pitch female header is used in densely-packed devices, requiring space-saving connections. The low profile, 1.27mm pitch female header addresses the need for connecting a variety of board-to-board configurations, with vacuum pick and place that makes it suitable for high volume automated manufacturing. It can be available in varying elevated stack heights, pass-through, rugged, high-density, and in numerous low-cost designs.
Antenk offers 1.27mm pitch female headers in either SMT or THM orientation at high quality and affordable China-quoted price that snuggly fits with the pins of a male header and acts as a receptacle.
Assembly and service is simple with either vertical (straight), elevated or at a right angle orientation, which can dissipate current of about 1.0 A or less in a tape and reel packaging. The filleted corners can also remove shadowing allowing optimization of LED output.
The 1.27mm pitch female headers are commonly found in PC`s and are also made to work in Arduino boards, Arduino Pro and Arduino Mega with either single or double-row female headers, facilitating connections for programming and incorporation into other circuits. They have the perfect height for clearing the USB-B connector and great for stacking multiple shields.
Female header always called as [Header connector", Antenk provide widely range of header connector, from 2.54mm (.100″ inch) pitch to 1.0mm (.039″ inch) pitch. The number of pins (contacts) is from 2 to 40 pins per orw. There are three type: Straight (Dip Vertical), Right angle, SMT (surface mount).
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Applications of 1.27mm Pitch Female Headers
Its small size is most suitable for PCB connections of small equipment and devices such as:
Arduino Boards
Architectural and sign lighting
Retail and display lighting
Fluorescent LED retrofit lighting
Cabinet or furniture lighting
Commercial / residential cove lighting
WiFi equipment
Gaming consoles,
Measurement instruments
Medical Diagnostic and Monitoring equipment
Communications: Telecoms and Datacoms
Industrial and Automotive Control and Test
At one side of this female header is a series of pins which can either be mounted and soldered directly onto the surface of the PCB (SMT) or placed into drilled holes on the PCB (THM).
Through-Hole (Poke-In)
Best used for high-reliability products that require stronger connections between layers.
Aerospace and military products are most likely to require this type of mounting as these products experience extreme accelerations, collisions, or high temperatures.
Useful in test and prototyping applications that sometimes require manual adjustments and replacements.
1.27mm vertical single row female header, 1.27mm vertical dual row female header, 1.27mm Elevated single row female header, 1.27mm Elevated dual row female Header, 1.27mm right-angle single row female header and 1.27mm right-angle dual row female header are some examples of Antenk products with through-hole mount type.
Surface-Mount
The most common electronic hardware requirements are SMT.
Essential in PCB design and manufacturing, having improved the quality and performance of PCBs overall.
Cost of processing and handling is reduced.
SMT components can be mounted on both side of the board.
Ability to fit a high number of small components on a PCB has allowed for much denser, higher performing, and smaller PCBs.
1.27mm Right-angle Dual Row female header, 1.27mm SMT Single row female header, 1.27mm SMT Dual row female header and 1.27mm Elevated Dual Row female Header are Antenk`s SMT female headers.
Soldering Temperature for 1.27mm Pitch Female Headers
Soldering SMT female connectors can be done at a maximum peak temperature of 260°C for maximum 60 seconds.
Pin-Type: Vertical (Straight) and Right-Angle
1.27mm pitch female headers may be further classified into pin orientation as well, such as vertical or straight female header or right-angle male header.
Vertical or Straight Female Header Orientation
One side of the series of pins is connected to PCB board in which the pins can be at a right-angle to the PCB surface (usually called "straight" or [vertical") or.
Right-Angle Pin Female Header Orientation
Parallel to the board's surface (referred to as "right-angle" pins).
Each of these pin-types have different applications that fit with their specific configuration.
PCB Connector Stacking
Profile Above PCB
This type of configuration is the most common way of connecting board-to-board by a connector. First, the stacking height is calculated from one board to another and measured from the printed circuit board face to its highest insulator point above the PCB.
Elevated Sockets/Female Headers
Elevated Sockets aka Stacked sockets/receptacles or Mezzanine are simply stacked female headers providing an exact distance requirement between PCBs that optimizes electrical reliability and performance between PCB boards.
Choosing this type of stacking configuration promotes the following benefits:
Connector Isolation - the contacts are shrouded preventing cable connection mishaps and good guidance for the mating header connectors.
For off-the-shelf wireless PCB module, stacking height is optimized with elevated sockets.
Offers superior strength and rigidity.
Polarisation prevents users from inverted insertion.
Single, Dual or Multiple Number of Rows
For a 1.27mm straight or vertical female header, the standard number of rows that Antenk offers ranges from 1 to 2 rows. However, customization can be available if 3 ,4 or n number of rows is needed by the customer. Also, the number of contacts for the single row is about 2-40 pins while for dual row, the number contacts may vary from 2-80 pins.
Pin Material
The pins of the connector attached to the board have been designed with copper alloy. With customer`s demand the pins can be made gold plated.
Custom 1.27mm Pitch Female Headers
Customizable 1.27 mm pitch female headers are also available, making your manufacturing process way faster as the pins are already inserted in the headers, insulator height is made at the right size and the accurate pin length you require is followed.
Parts are made using semi-automated manufacturing processes that ensure both precision and delicacy in handling the headers before packaging on tape and reel.
Tape and Reel Packaging for SMT Components
Antenk's SMT headers are offered with customizable mating pin lengths, in which each series has multiple number of of circuits, summing up to a thousand individual part number combinations per connector series.
The tape and reel carrier strip ensures that the headers are packaged within accurately sized cavities for its height, width and depth, securing the headers from the environment and maintaining consistent position during transportation.
Antenk also offer a range of custom Tape and reel carrier strip packaging cavities.
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ShenZhen Antenk Electronics Co,Ltd , https://www.antenkwire.com