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Nov 29, 2019, 02:07 AM
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Chinese drones quietly take on more social responsibility


Electric power, agriculture, rescue ... In recent years, drones are quietly spreading in all walks of life. In addition to daily operations, these fast, intelligent and brave drones also play a unique role in coping with various disasters and shoulder more and more social responsibilities.

Every year in the rainy season, news about floods is seen. Floods are dangerous and block rescues. Drones that ignore terrain restrictions can play an unexpected role at this time. On September 4, 2018, at a rescue camp in Ponnani, a flood-affected area in India, a Chinese-made multi-rotor drone brought a copy of Shifa's birth certificate lost in the flood and safely transported it to the roof of the local residents. The local government also used Chinese drones to carry professional payloads to assess the extent of the disaster in the area after the flood.

There are many similar things in China: In July 2017, Hongfeng, Hunan Province, transited, and a 96-year-old was trapped in his home. The local reporter being interviewed successfully found and located its location using a drone. Finally, the rescue team successfully rescued him in an assault boat.

In June 2018, heavy rainfall in Sichuan caused the water level of the Minjiang River to skyrocket, and 143 workers were trapped on an isolated island, with scarce supplies and water. The local call for agricultural plant protection drones to deliver food and other necessary supplies to the trapped people. Three drones used the "ant moving" method to remove the supplies of the two vans, saving the urgent need.

In the same month, also in Peijiang, a sand dredging boat docked by the river was torn off steel ropes by floods. Three watchkeepers on the ship were trapped and the assault boat could not approach. In the end, the fire officers and men used drones to tow the ropes and successfully rescued people by using a pulley to cross the river.

On May 19, 2019, Jiangxi, the river surged due to heavy rain. One worker was trapped in the middle of the river, and the river was turbulent. The scene commander used a drone to land the rope to the trapped person, and used the rope to deliver the life jacket to the trapped person. After the trapped person put on the life jacket and fastened the safety rope, the trapped person was successfully rescued. .

Commonplace in fire

On April 15, 2019, the fire in Notre Dame de Paris, France, two Chinese-made DJI Mavic Pro and Jingwei M210 became the heroes of foreign media when fighting the fire. The infrared and visible cameras carried by them can follow the fire in real time. Help the high-pressure water cannon to achieve precise targeted rescue, thus saving the two bell towers of the cathedral at critical moments.

The huge role of drones in firefighting has aroused heated discussions and praise from overseas netizens, but in fact this has become a daily routine in China: in 2018, in Yuzhong District, Chongqing, a wholesale market burned in large areas. 80 people participated in the fire fighting together. But the burning speed is very fast, and the fire situation is very complicated. The fire detachment took off in a hurry from a frontline firefighter of the squadron squadron to take over his own DJI Spark aerial drone to detect the fire. A blessing with "God's perspective" and then a water gun interception quickly controlled the situation.

Beginning in 2017, the Rainbow-4 type long-duration drone developed by the 11th Academy of China Aerospace Science and Technology Corporation was mounted with a monitoring load dedicated to forest fire prevention to serve forest fire prevention in the Greater Xing'an Mountains.

In the disaster, fearless vanguard

In addition to water and fire, geological disasters such as earthquakes and landslides are also terrible. In some cases, even the terrain has changed and the infrastructure has been paralyzed. At this time, the drone is showing its strength. Crowdfunding for the Drone Bird project was launched in Japan in 2015 in order to quickly generate a map of the disaster area using drones after the earthquake, because even satellite mapping will take two days.

In fact, this kind of application has already been realized in our country. In the 2008 Wenchuan earthquake, a number of agencies and enterprises jointly established the "Unmanned Aerial Remote Sensing Emergency Disaster Relief Joint Group", which has obtained the severely affected area Hanwang Town, Mianzhu County, Deyang City, Sichuan Province. The image, the image of Luoshui Town, Shifang City, Deyang City, Sichuan Province. After May 17th, the dammed lake caused by landslides and collapses after the earthquake was filmed, which played an important role.

In recent years, in some disasters, drones have appeared completely new applications. In the 2017 Jiuzhaigou earthquake, Huawei launched a tethered (ground-powered, 24-hour flight) drone base station. It is said that it can provide communications security services to customers within 50 square kilometers and simultaneously serve 5,400 mobile phone users .

New in disease

In November 2019, a number of foreign media including the BBC, the National News, and the Effie reported coverage of Tanzania's Zanzibar region trying to prevent malaria with Chinese drones. According to reports, DJI has built two unmanned aerial vehicles based on the MG-1S agricultural plant protection machine, which can spray Aquatain AMF water-repellent mosquito solution in the water of the rice field to eliminate malaria and thereby prevent malaria.

In fact, similar applications have already been launched in China. After many disasters, agricultural plant protection drones are used to perform epidemic prevention tasks. The 2017 Jiuzhaigou earthquake became a big mobilization of the domestic plant protection drone service team.

These plant protection drones have also repeatedly served as "firefighters" who are incapable of traditional operations when they do their "work" in the field of agricultural disease prevention and control.

In August 2016, maize myxosomiasis broke out in Weinan, Guangxi, and more than 44,000 acres of corn reached control standards, but spraying pesticides in traditional ways has been powerless. Fortunately, this is also a successful national mobilization of plant protection drones. UAV companies and service teams from Tiannan Haibei have helped Weinan successfully complete the "worm-and-grab".

In August 2017, a red spider epidemic broke out in the corn field of Tumotezuo Banner, Hohhot, Inner Mongolia. The data from the Plant Protection and Plant Inspection Station of the Local Agriculture and Animal Husbandry Bureau showed that there are 1.2 million acres of corn field in the entire banner, of which 760,000 acres are of varying degrees Affected by the disaster, it is expected that the pest will reduce the local corn yield by 10-70%. About 50 MG-1S plant protection drones were urgently controlled by Hewen Technology, a local service team of DJI Agriculture, and 80% of the output was kept. The Global Drone Channel also observed the operation at the time.

The rise of Chinese civilian drones

I think that more and more drones in the news should thank China for the rise of the civilian drone industry. Drones have a century of history since their birth in 1917, and are not new. Drones have performed military reconnaissance missions in the United States and sprayed pesticides in Japan for decades. China's first drone "Beijing No. 5" has also been around for 60 years.

But in the past, drones have always been very expensive tools that many industries cannot afford. For example, even a relatively “grounded” Yamaha agricultural drone, its local price in Japan is equivalent to hundreds of thousands of yuan; and the price of high-end drones such as the Sibel S100 is even more expensive. Ten million yuan.

In addition, many foreign drones are banned from China, even if you want to buy them. For example, Japan ’s Yamaha Rmax plant protection drone has been banned from China since 2006. A small number of drones that have already been purchased will naturally not be willing to spray pesticides, but will start higher value-added services such as aerial photography.

Only in recent years have Chinese-made civilian drones started to enter some grassroots units such as public security bureaus and power supply bureaus at acceptable prices and controlled supply. And with the decline in prices, it has further expanded to the more "grounded gas" applications such as agriculture and daily inspections.

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