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On the 30th, Changsha Huanghua Airport, Hunan Province, with a total length of 18.
55 kilometers and a design speed of 100 kilometers per hour, China's first medium and low-speed maglev commercial operation demonstration line - Changsha Maglev Express train "Wind Chaser" drove out of the station for 24-hour uninterrupted load test operation, making the final sprint
for official operation.
The Maglev Express is the first medium and low speed maglev line with completely independent intellectual property rights in China, and it is also the world's longest planned medium and low speed maglev line
.
AVIC Optoelectronics Technology Co.
, Ltd.
participated in the design of the relevant cable components of the maglev express line, and in 2014, AVIC Optoelectronics accepted the task: in accordance with the highest standards of domestic urban rail transit, designed the cable components of Changsha maglev line CBTC system (automatic train control system based on wireless communication) and other equipment, to meet the high vibration and high protection requirements
of 15 gravity acceleration next to the track.
In addition, the battery connector in the world's first maglev commercial line, the Shanghai Maglev Train, is also from AVIC Optoelectronics
.
The cable assembly is the "nervous system" of the vehicle, including cables and connectors, etc.
, embedded in the track and in the cabin, responsible for vehicle-to-ground and in-vehicle communication and power transmission, used for obstacle detection, emergency braking, vehicle positioning, in-vehicle photoelectric control, etc
.
Reflected in the transportation efficiency, every 1 second reduction in the departure interval of rail vehicles requires a significant improvement
in the performance of cable assemblies.
"If it is poorly contacted or interfered with, the signal is 'out of order' at best, and the vehicle is 'paralyzed'
at worst.
" Project manager Kang Wenbo said
.
The "floating" and "flying" of maglev trains are inseparable from electromagnetic fields, and the project has had technical problems
that have not been encountered in traditional rail transit fields such as high-speed rail and subway.
Kang Wenbo convened the project team members to discuss the response plan overnight, and finally, successfully solved the technical problem
with an innovative process that has not been used in the traditional rail transit field - electromagnetic shielding materials such as set steel wire braided hose.
With 16 innovations, 4 versions of design and more than 1 year of debugging, AVIC Optoelectronic products meet the unique miniaturization requirements of maglev trains, and successfully withstand the tests
of wind and rain, acceleration, vibration and shock.
Last year, after the last version of the company's products was shipped to CRRC Machinery Co.
, Ltd.
, the good news came: successfully adapted to the entire track of the project and the first batch of 5 3-block trains! On March 9, Changsha maglev line successfully passed the acceptance
of relevant departments.
Changsha's low- and medium-speed maglev commercial operation demonstration line successfully passed the acceptance, making China one of
only four countries in the world to master this technology.
On the 30th, Changsha Huanghua Airport, Hunan Province, with a total length of 18.
55 kilometers and a design speed of 100 kilometers per hour, China's first medium and low-speed maglev commercial operation demonstration line - Changsha Maglev Express train "Wind Chaser" drove out of the station for 24-hour uninterrupted load test operation, making the final sprint
for official operation.
The Maglev Express is the first medium and low speed maglev line with completely independent intellectual property rights in China, and it is also the world's longest planned medium and low speed maglev line
.
AVIC Optoelectronics Technology Co.
, Ltd.
participated in the design of the relevant cable components of the maglev express line, and in 2014, AVIC Optoelectronics accepted the task: in accordance with the highest standards of domestic urban rail transit, designed the cable components of Changsha maglev line CBTC system (automatic train control system based on wireless communication) and other equipment, to meet the high vibration and high protection requirements
of 15 gravity acceleration next to the track.
In addition, the battery connector in the world's first maglev commercial line, the Shanghai Maglev Train, is also from AVIC Optoelectronics
.
The cable assembly is the "nervous system" of the vehicle, including cables and connectors, etc.
, embedded in the track and in the cabin, responsible for vehicle-to-ground and in-vehicle communication and power transmission, used for obstacle detection, emergency braking, vehicle positioning, in-vehicle photoelectric control, etc
.
Reflected in the transportation efficiency, every 1 second reduction in the departure interval of rail vehicles requires a significant improvement
in the performance of cable assemblies.
"If it is poorly contacted or interfered with, the signal is 'out of order' at best, and the vehicle is 'paralyzed'
at worst.
" Project manager Kang Wenbo said
.
The "floating" and "flying" of maglev trains are inseparable from electromagnetic fields, and the project has had technical problems
that have not been encountered in traditional rail transit fields such as high-speed rail and subway.
Kang Wenbo convened the project team members to discuss the response plan overnight, and finally, successfully solved the technical problem
with an innovative process that has not been used in the traditional rail transit field - electromagnetic shielding materials such as set steel wire braided hose.
With 16 innovations, 4 versions of design and more than 1 year of debugging, AVIC Optoelectronic products meet the unique miniaturization requirements of maglev trains, and successfully withstand the tests
of wind and rain, acceleration, vibration and shock.
Last year, after the last version of the company's products was shipped to CRRC Machinery Co.
, Ltd.
, the good news came: successfully adapted to the entire track of the project and the first batch of 5 3-block trains! On March 9, Changsha maglev line successfully passed the acceptance
of relevant departments.
Changsha's low- and medium-speed maglev commercial operation demonstration line successfully passed the acceptance, making China one of
only four countries in the world to master this technology.
