According to Li Xinghua, Director of the Department of Science and Technology of Guangdong Province, the semiconductor lighting (LED) industry is a strategic emerging industry that is supported and developed in Guangdong Province during the 12th Five-Year Plan period. The development of the LED industry faces two prominent problems. First, the core technologies and key equipment are subject to human beings, and the second is the difficulty of market promotion and application.
LED is a multidisciplinary frontier technology field involving lighting, mechanical equipment, electronic information and other industries. In August 2011, the Guangdong Provincial Department of Science and Technology took the lead in organizing 21 research institutes and leading companies to jointly establish the "Guangdong Province Semiconductor Industry Lighting Industry Co-Innovation Center." With the center as a link, upstream and downstream industrial chain or complementary technology companies, relevant universities and research institutes, etc. have jointly tackled a number of core LED key technologies. At present, Guangdong has a total of 9,131 patent applications in the LED field, and 1,270 LED-licensed patents, both of which rank first in the country. Collaborative innovation in open cooperation has accelerated the pace of independent innovation in the LED industry.
LED is emerging green lighting technology, LED industry currently has high product prices, low awareness, the original interest chain resistance and other issues. To this end, Guangdong established a joint conference system for the entire province, and related departments jointly organized and implemented the “1,000 Miles†high-power LED street lamp industrialization demonstration and promotion project and the green lighting demonstration city special action. The construction of a new expressway LED lighting demonstration project has been initiated in Guangzhou (Changzhou) Lechang (Changzhou) and Bo (Luo) Shenzhen (Shenzhen), etc. The province has installed more than 260,000 LED street lights and more than 2,500 kilometers of demonstration road sections. The forefront of the country.
It is understood that experts from universities, research institutes, LED companies, and industry associations have jointly drawn up the Guangdong Province's LED industry technology roadmap, so that the government and industry can more clearly grasp the LED industry's mainstream products, industry goals and core technologies. The direction of R&D will enable industry-university-research institutes to be integrated into practice, and technological innovation will be more targeted and efficient.
What is Industrial DTU? Industrial DTU characteristics and application field analysis
What is DTU?
A Data Transfer unit (DTU) is a wireless terminal device that converts serial port data into IP data or IP data into serial port data over a wireless communication network.
Second, industrial DTU characteristics?
D220 is an industrial 4G DTU based on 4G wireless network, the product uses high-performance industrial embedded processor, real-time operating system as the software support platform, to ensure that the data link is smooth at any time, to provide users with high-speed, stable and reliable data transmission. It can be easily and quickly arranged in the industrial site, and can be used in harsh environments.
Hardware features:
Anti-interference design, suitable for harsh electromagnetic environment application requirements
Wide voltage power supply design, support DC5V-35V power input, built-in power reverse protection and overvoltage and overcurrent protection
The serial port can be a service serial port or a data serial port
Supports the many-to-many link configuration between the service serial port and the center
Select industrial-grade devices and optimize electromagnetic compatibility design to meet the requirements of harsh application environments
The D220 supports backward compatible 2G/3G network access based on 4G network.
Built-in hardware watchdog, regular detection mechanism, automatic resetting of abnormal equipment.
Complete industrial environment design requirements, all-metal structure, the whole machine has passed the strict electromagnetic compatibility test, CE certification
Software features:
Multi-center mode/Multi-backup mode (up to five multi-centers/backup centers)
Different serial ports can be used as maintenance or service serial ports, and different service serial ports can be connected to different multi-centers.
Multi-protocol upper development kit support (compatible with communication protocols of multiple DTU manufacturers, which can achieve seamless replacement of DTU)
Supports ICMP and LCP link detection technologies and keeps heartbeat alive, ensuring the stability and reliability of the network and communication
Supports local serial port upgrade and remote software upgrade
Supports TCP, UDP, DUTCP, DCUDP and other connection protocols
Supports multiple encryption modes to ensure secure data transmission
3. Application fields
D220 4G DTU conforms to industrial design, complete functions, stable transmission, widely used in environmental protection, water conservancy, meteorological industries; Industrial control field; Industry and special environment, oil and gas, heating industry, etc.
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