Tell everyone a "cold" news, the strongest cold wave since the winter of this year is coming soon! It is predicted that from November 26th to 30th, the cold wave will sweep across China, and the temperature will plummet in most areas.

　　Speaking of the cold wave, many people have memories dominated by it. As the "strongest" cold air, how "cold" is the cold wave? What is the strongest cold wave in history? The reporter interviewed Ye Dianxiu, a senior engineer under research at the National Climate Center and the chief expert of meteorological services at the China Meteorological Bureau, and asked him once and for all.

　　1. What is the standard of cold wave? Is there a difference between the north and the south of China?

　　Cold wave is a kind of cold air and a kind of disastrous weather. According to the national standard of cold air grade in China (GB/T 20484-2017) formulated in 2017, the cold air activity that makes the daily minimum temperature in a certain place lower than or equal to 8℃ within 24 hours, or lower than or equal to 10℃ within 48 hours, or lower than or equal to 12℃ within 72 hours is called cold wave.

　　2. How strong is the "ability" of cold wave cooling?

　　Monitoring shows that the average cooling rate of each cold wave in most parts of China is above 10℃. The average cold wave cooling rate in most parts of Northeast China, Jianghuai, eastern Jianghan, Jiangnan and southern China, as well as most parts of Inner Mongolia and northern Xinjiang can reach 12.℃To 14℃, more than 14℃ in most areas of Guangdong and Guangxi.

　　The maximum cooling range of cold waves in Northeast China, most of North China, most of Northwest China, most of Huanghuai, most of Jianghuai, southern Jiangnan and most of Inner Mongolia and Tibet is above 20℃. Among them, the maximum cooling rate in most parts of Northeast China and Inner Mongolia, northern Xinjiang, northwestern Tibet and southwestern Qinghai can reach 25.℃To 30℃, more than 30℃ in some areas; The maximum cooling range of cold wave in Sichuan basin, most of Yunnan and Hainan is below 15℃, and that in other parts of the country is generally below 15℃℃To 20℃.

　　3. How many cold waves occur on average every year in China?

　　In China, cold waves mostly occur in late autumn, winter and early spring. In the past 30 years (1991-2020), cold waves have occurred 5.4 times a year on average in China.

　　Since 1991, the most frequent cold wave occurred in 2021, with 11 times. Followed by 2009, there were 8 times, and the least number of cold waves was in 2017, only 2 times.

　　4. Where did the cold wave affect our country come from?

　　The cold air affecting China can be roughly divided into the following four paths:

　　① Northwest route: Cold air enters China from the White Sea and Barents Sea west of Xindi Island via Siberia and Mongolia in the west.

　　② Northern route: Cold air enters northern Asia from Kara Sea or Novosibirsk Sea east of Xindi Island, and enters China from north to south via Mongolia.

　　③ Western route: Cold air affects eastern China from west to east in Eurasia south of 50 degrees north latitude via Xinjiang.

　　④ Northeast route: Cold air from the Sea of Okhotsk or eastern Siberia affects the northeast of China.

　　more thanPath,The first three paths are more common, while the last path is less frequent and less intense.

　　5. What are the cold waves with large temperature drop in history?

　　According to the monitoring results of cold air process, since 1991, the top five cold waves with comprehensive cold air intensity in China have appeared on November 4-9, 2021, March 11-14, 2006, March 18-22, 1998, February 14-17, 2020 and April 11-17, 2006.

　　Cold waves often bring a wide range of severe cooling, strong winds and snowfall. Taking the cold wave process from November 4 to 9, 2021 as an example, the land area with the temperature drop exceeding 8℃ is 7.709 million square kilometers, accounting for about 80.3% of the national land area. Among them, there are 1.011 million square kilometers whose temperature drop exceeds 16℃.

　　The daily minimum temperature of 172 national meteorological stations in Xinjiang, Gansu, Qinghai, Ningxia, Shaanxi, Shanxi and other places reached or exceeded the historical extreme value in early November.

　　The daily precipitation of 151 national weather stations in Liaoning, Jilin, Heilongjiang, Inner Mongolia, Hebei, Tianjin, Shanxi, Shandong and other places exceeded the historical extreme in November. There is obvious snow in many places in the north, and the depth of snow in Inner Mongolia, Jilin and Liaoning is more than 40 cm.

The cold wave process cooled downAmplitude forecast chart (26-30 November) Photo courtesy of Central Meteorological Observatory

　　6. Where is the place most favored by the cold wave in China?

　　In China, the frequency of cold wave is characterized by more in the north and less in the south. The areas most favored by cold waves include: Northeast China, western and northern parts of North China, northern and central parts of Northwest China, most of Tibet, Inner Mongolia and other places, with an average annual cold wave frequency of more than 4 times. Among them, there are generally 10 to 15 times in the eastern and northern parts of Northeast China, most of Inner Mongolia and parts of northern Xinjiang, and there are more than 15 times in some areas.

　　7. In cold winter, are there more cold waves than in warm winter?

　　The answer is no.

　　There are obvious differences in judging factors and time periods between cold winter and cold wave, and the annual cumulative cold wave frequency is not necessarily related to cold and warm winter. Cold winter is a kind of climate concept based on the temperature condition of the whole winter, and the basic element of judging cold and warm winter is the average temperature of winter (December to February) for three months. The basic factors to judge the cold wave process are the daily minimum temperature (≤4℃) and the 24-hour (or 48-hour, 72-hour) cooling range (≥8℃, 10℃ or 12℃).

　　Therefore, the number of cold waves in cold winter is not necessarily more than that in warm winter. For example, both 1998 and 2019 were strong warm winters, and the number of cold waves was 6, which was more than that of strong cold winters in 1983 (3 times), 1984 (2 times) and 1985 (2 times).

　　(Author: Zhang Juan Cartography: Fu Lei Editor: Yan Hong)

　　

　　Vision china diagram

　　Recently, Musk has completed the acquisition of social platform company Twitter. Public opinion is worried that Musk’s takeover of Twitter means the arrival of the "hate speech era", and more analysis shows that "foul language and racist speech" on Twitter has emerged like a flood.

　　According to a report by Bloomberg on October 29th, Musk claimed to be an "absolutist of freedom of speech", while Twitter had been trying to manage the content on its platform "fairly". As Musk took over Twitter, some conservative politicians, extremists and "conspiracy promoters" saw an opportunity.

　　Twitter headquarters vision china map

　　Katie Harbath, the former director of public policy at Facebook, commented: "At first glance, this group of people think that as long as he (Musk) signs, the rules (of Twitter platform) can change wonderfully."

　　Rebekah rabo, director of the Institute of Data, Democracy and Politics at George Washington University, said that once Musk took control of Twitter, online "trolls" began to encourage each other and challenged the limits of speech on Twitter.

　　Rabo believes that most of these "spitters" regard extreme remarks on social platforms as a game, while others, including influential politicians, regard these "hateful and bizarre" remarks as opportunities to increase audiences and make profits.

　　Musk promised on October 27th that Twitter would not fall into a "hell of free indulgence" under his leadership, but Musk’s promise of "restoring people’s freedom of speech" encountered various difficulties.

　　At present, the news that Musk acquired Twitter has caused some Republicans to cheer. Marjorie Taylor Greene, a Republican, was permanently banned by Twitter for repeatedly posting "false news" about the COVID-19 epidemic. On the 27th, she tweeted "freedom of speech" when she regained her freedom. Others who support Trump "test the limitations of the Twitter platform under the management of Musk" by posting tweets full of false information.

　　According to the analysis of Bloomberg, in just one day, dozens of anonymous "Spitter" accounts were successfully registered, and hate speech against protected groups and false information about vaccines in Covid-19 and COVID-19 were published. Until October 28th, racist speech, anti-Semitic speech and offensive speech on Twitter platform increased significantly.

　　Musk said on Twitter that he would form a content management committee including "a wide range of different views". Before the meeting of the group, the Twitter platform will shelve major decisions on content and account recovery. A Twitter spokesperson added that the company has a policy to manage hate behavior, and the relevant rules of Twitter have not changed.

　　　 Before Tiguan and ix35 went on the market, there were few high-performance SUV models in middle and high-level cities, RAV4 was quite satisfactory, and CR-V’s power handling was only qualified, not excellent. With the listing of two European-style SUVs, Tiguan and ix35, the lack of high-performance models in the urban SUV market has been completely broken.

　　　　Tiguan, with excellent genes of German Volkswagen, is self-evident in power, control and passability. I believe many riders are already very familiar with it, so I won’t go into details here. Today, the protagonist of our evaluation is the ix35 just launched by Beijing Hyundai, which is developed by Hyundai Motor Frankfurt Design Center in Germany and has the original European style and excellent performance.

　　　　The source of power: θ -II engine +6-speed automatic manual transmission

　　　　What can best show the "new realm of SUV" of ix35 is its excellent dynamic performance, which is also one of the biggest highlights of IX35. Ix35 is equipped with the advanced 2.0L/2.4L θ -II engine. According to the data provided by the manufacturer, the maximum power of the 2.0L engine is 120Kw/6200rpm (close to the level of many 2.4L engines) and the maximum torque is 194N• M/4600rpm； The maximum power of the 2.4L engine is 128Kw/6000rpm and the maximum torque is 226N• M/4000rpm。 Whether it is 2.0L or 2.4L, power or torque, ix35 θ -II engines are higher than CR-V and RAV4 with the same displacement, which shows the excellent power performance.

　　　　θ The reason why the -II engine is so excellent is mainly because it adopts the advanced dual CVVT technology in the same class. It can adjust the opening and closing time of the engine valve in real time according to the working condition of the engine and change the intake air volume, thus improving the power and economy of the engine. At the same time, the advanced VIS variable intake manifold technology is also applied, which greatly improves the power and economy.

　　　　In the actual driving process, θ The performance of the -II engine is also perfect, and the throttle response is sensitive. You can get a rare feeling of pushing back when stepping on the throttle lightly, and the power output shows perfect linearity, especially in the start and middle section. Under outdoor road conditions, θ The advantage of -II engine with large torque has been fully exerted, especially when climbing hills, and the power output is continuous.

　　　　And advanced θ The -II engine is matched with an imported 6-speed automatic manual transmission, which is rare in its class. This gearbox is independently developed by Hyundai Motor and integrates many advanced technologies. The gearbox is perfectly matched with the engine, which not only has perfect ride comfort, but also improves fuel economy, and the manual mode increases the pleasure of driving. At the same level, the CR-V is equipped with a 5AT gearbox, and the RAV4 is equipped with a lower-end 4AT. The ix35 has obvious advantages.

　　　　During the actual driving, the impact of gear shifting in this gearbox is slight and almost imperceptible. It is worth mentioning that the gearbox has light weight, compact structure and low friction loss. The relevant person in charge of Beijing Hyundai said that this 6-speed automatic manual transmission does not need to change gearbox oil within 300,000 kilometers, so it also effectively reduces maintenance costs.

　　　　Soul of manipulation: solid chassis+timely four-wheel drive

　　　　As an urban SUV, ix35 adopts the same load-bearing body structure as CR-V, RAV4 and Tiguan, which makes ix35 have the comfort of mid-to high-end cars and good passability. Its front suspension is McPherson independent suspension, and the new geometric structure greatly improves the steering feeling, stability and maneuverability; The rear suspension is an advanced multi-link independent suspension, which makes the ix35 have excellent comfort, handling and road sensitivity. The rear double fork-bar suspension of CR-V and RAV4 is slightly inferior to the multi-link design of ix35 in comfort and handling.

　　　　Excellent chassis technology makes the ix35 have excellent roll and body torsion resistance when cornering at high speed. When cornering at high speed, the tough suspension easily supports the gorgeous body, which is satisfactory enough according to the standards of SUV. Ix35 shows the superior flexibility and comfort of urban SUV, whether in narrow roads, mountain roads with numerous curves or complicated roadside parking lots.

　　　　Ix35 adopts electronic control timely four-wheel drive system, which travels in two-wheel drive mode under normal circumstances. When it starts quickly or passes through smooth roads, ECU automatically distributes driving force to the rear wheels.

　　　　In addition, in order to cope with bad road conditions, ix35 also has a four-wheel locking function, and when this function is started, the power will be equally distributed to the front and rear wheels. In addition, ix35 is equipped with HAC&DBC uphill and downhill auxiliary program and ESP body electronic stability system, which effectively improves the driving safety.

　　　　Shuttling through the hustle and bustle of the city, wandering between the mountains and streams, feeling the alternation between the city and nature, and experiencing the transformation from calm to wild, this is the brand-new life realm brought by Beijing Hyundai ix35.

　　　　Only with high performance can we gallop in the whole field. Ix35 can not only meet the diverse needs of urban people, so that people can enjoy an unprecedented driving experience, but also incorporate the excellent passability endowed by Beijing’s modern high-tech. No matter whether it is rugged or smooth, ix35 can "adapt freely" and release its chic charm in nature.

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The front face of Xingyue L is elegant and elegant in design, with a family-style straight waterfall air intake grille and chrome-plated decoration, showing a sense of luxury. The headlight group is sharp in shape and integrated with the grille, showing a modern feeling as a whole. The body lines are smooth, and the side is decorated with chrome trim, which improves the quality of the whole vehicle. The rear part of the car is simple and stylish, and the LED taillight group has high recognition when it is lit. On the whole, the design of Xingyue L not only shows a sense of strength, but also is full of fashion.

Xingyue L has a length, width and height of 4770*1895*1689mm and a wheelbase of 2845mm. With 245/45 R20 tires, it shows smooth body lines and atmospheric visual effects. The rim is 20 inches in size, which increases the overall strength of the car body. The front and rear wheel tracks are 1610mm, which ensures the stability and handling performance of the vehicle.

The interior design of Xingyue L adopts a simple style without losing the sense of science and technology, and the overall layout is reasonable, creating a warm and comfortable atmosphere. The leather steering wheel not only has a delicate touch, but also supports manual adjustment up and down and back and forth, ensuring the driver’s comfortable operation. The center console is equipped with a 12.3-inch high-definition touch screen, which integrates the functions of multimedia system, navigation, telephone, air conditioning and skylight control, and supports voice recognition control, which is convenient and fast. The car is also equipped with rich interfaces, including two USB and Type-C interfaces in the front row and two in the back row, as well as the wireless charging function of the front mobile phone, which meets the various needs of modern users. In terms of seats, Xingyue L is made of high-quality imitation leather. The driver’s seat has the functions of front and rear, backrest, height and lumbar support adjustment, and has heating, ventilation, massage and headrest speakers (driver’s seat only), while the co-pilot seat supports front and rear and backrest adjustment. In addition, the car also provides the memory function of the electric seat in the driver’s seat and the co-pilot’s seat, as well as the function of adjusting the backrest of the second row seat and tilting the rear seat in proportion, which improves the comfort and convenience of riding.

Xingyue L is equipped with a 2.0T L4 engine with 238 horsepower, with a maximum power of 175 kW and a maximum torque of 350 Nm. With an 8-speed automatic manual transmission, it provides abundant power output and a smooth driving experience.

Praised the appearance design of Xingyue L. He thought that the grille design was full of streamline beauty, and the overall look was the most beautiful he had ever seen in many models. Especially compared with Galaxy L7, Xingyue L made him shine at the moment.

　　　　

　　　 On December 17th, in Moscow, the Russian capital, Russian President Vladimir Putin (center left) and First Deputy Prime Minister Dmitry Medvedev (center right) walked into the venue of the United Russia Party Congress. Putin said on the same day that if Medvedev is elected president, he is ready to become the prime minister of the government. Xinhua news agency

　　　　Xinhua News The online edition of Caijing magazine published an article on the 18th, arguing that how Medvedev and Putin handle the future relationship and maintain the balance of power in the power contrast will become the focus of attention of all parties in the future Russian political situation.

　　　　According to a comprehensive report by Bloomberg and Associated Press, Putin publicly agreed for the first time to be the prime minister in the future Medvedev government, and stayed in the power center of Russia in this way. At the same time, Putin also said that he would not weaken the presidential authority to pave the way for his appointment as prime minister. Putin said at the United Russia Party Congress: "If Russian citizens choose Medvedev as the new president of the Russian Federation, I will continue to work as the head of government and the distribution of power between the president and the government will not change."

　　　　Russia will hold a general election next March. There has been a strong voice in Russia asking Putin to stay in office. However, according to the constitution of the Russian Federation, Putin, who has been re-elected for two terms, will not be able to run for the presidency again. In order to stay in the center of Russian power, Putin must make a choice: either amend the constitution or adopt a flexible form to take power in other forms. At present, it seems that Putin chose the latter.

　　　　On December 10th, Putin publicly stated that he "fully agreed" with the current First Deputy Prime Minister Medvedev as the next presidential candidate. Due to Putin’s high support rate in Russia and absolute control over public resources, Medvedev is likely to succeed the next president of the Russian Federation smoothly. Medvedev immediately said the next day that if he became president, he would appoint Putin as the prime minister of the government. Putin’s statement today is a response to Medvedev.

　　　　Medvedev is 42 years old and 13 years younger than Putin. He is a close friend of Putin who was brought to Moscow from St. Petersburg. He has served as deputy director and director of the President’s Office. Since 2005, he has served as the first deputy prime minister in charge of education, health, housing and agriculture. Putin hopes to ensure his firm grasp of supreme power by supporting Medvedev as president.

　　　　On December 17, in Moscow, the Russian capital, Russian President Vladimir Putin (rear) listened to the speech of First Deputy Prime Minister Medvedev (front) at the United Russia Party Congress. Putin said on the same day that if Medvedev is elected president, he is ready to become the prime minister of the government. Xinhua news agency

　　　　Will there be a dual structure of power in Russia in the future? According to the analysis of Caijing magazine, this possibility is very small from the realistic political situation. The double-headed structure needs to be realized in a state of balanced power, but there are two imbalances in the distribution of power in Russia in the future:

　　　　The first is the imbalance in the form of power distribution. In the power structure of the Russian Federation, the president is in an absolute core position. The Prime Minister and other cabinet ministerial posts are appointed by the President, who also has the right to dissolve the government at any time. More importantly, under the current legal framework, powerful state departments such as national defense, foreign affairs and security agencies are directly responsible to the President rather than the Prime Minister. In this way, if Medvedev becomes president, he will occupy the core position of power in form.

　　　　Another imbalance exists between Medvedev and Putin. Putin is undoubtedly a strong political power among the two, with an absolute high support rate in government departments and the private sector; Medvedev’s support rate largely comes from his support for Putin. In addition, Medvedev has never worked in a powerful department, which makes him lighter in the balance of power between them.

　　　　In addition to these two points, Putin’s trump card also includes the United Russia party, which has an absolute majority in parliament. Under the leadership of Putin, the party just won 63.3% of the votes in the State Duma (lower house of parliament) election on December 2, winning 315 of the 450 Duma seats in one fell swoop. Since the State Duma has the power to amend the constitution and impeach the president, the absolute majority of the United Russia Party in parliament provides Putin with a tool to curb the president’s power.

　　　　With Putin’s promise not to change the current power structure, there may be a "weak" president with nominal power and a "strong" prime minister with actual strength in Russia in the future. How Medvedev and Putin deal with the future relationship and maintain the balance of power in the power contrast has become the focus of attention of all parties. (Reporter Zhao Hang)

Editor: Fan Jing

As the first commercial vehicle group focusing on the new energy field in China, Remote New Energy Commercial Vehicle Group has always adhered to the development concept of "R&D as the foundation and innovative business model" and led the transformation of commercial vehicle industry.

Among them, in the light business section, remote commercial vehicles have formed a technical route with electricity and alcohol and hydrogen as the core to meet the needs of different transportation scenarios such as express logistics and freight platform delivery in the same city, and laid out three sub-brands of Xingzhi, Fengrui and Xingxiang, including vehicle coverage, small and micro cards and cars. In particular, in the field of VAN series, remote has achieved the lead, and it has become an explosion model in the industry in just four months.

Today, let’s explore the highlights of Remote Star Enjoy V6E Functional Edition.

He is a "long-distance runner" and a "space master"

Since its listing, Xingxiang V series has been very popular among urban logistics transporters such as individual transportation, express delivery and moving. The reason, in more popular terms, must be high-end, capable of running and loading.

High end! Needless to say this. Star Enjoy V6E Functional Edition is also based on the exclusive intelligent architecture platform of new energy VAN, and it is not a product that everyone rejects. Therefore, this car will be different from other brands in terms of safety, spatial layout and control.

Can run! In terms of power, the batteries of Star-Enjoy V6E functional version come from domestic first-line suppliers. Different battery life versions can be selected according to the use environment, and 260km＋+can meet the personal operation needs of multiple scenarios. At the same time, battery manufacturers also have an 8-year and 400,000-kilometer long warranty. The whole vehicle comes standard with 3.3kw slow charging and fast charging, which can meet the demand of fast charging in less than 35 minutes at the earliest. When it is idle, it uses slow charging and electricity at peak, which is cheap and can adapt to all-weather scenes.

In addition, it uses the maximum output power of 60kw and 220 Nm. It is worth mentioning that in order to ensure the long-term stable operation of the vehicle, the motor is cooled by water cooling, which can ensure the stability under extreme working conditions.

Can be loaded! Star Enjoy V6E functional edition has "6" space, which is the largest at the same level; It is worth mentioning that it also has 13 storage spaces, which is 20% more than similar competing products. Everything can be what you want, achieving strong storage.

It is a "trendsetter" and a "loading and unloading expert"

Of course, the younger generation is becoming the mainstream of individual entrepreneurship. Their requirements for vehicles are not only easy to use, but also appearance, convenience and intelligence.

The remote star enjoys the function version of V6E, which is very avant-garde and sci-fi, and the whole vehicle has a strong sense of design. White painting with the work of the whole vehicle, obviously feel the intention of work. It adopts family-style aesthetic design and has many popular elements in appearance. The air intake grille is replaced by a closed front face, and the shape with concave points is designed, which can effectively reduce the wind resistance of vehicles and reduce power consumption, and also has the sense of fashion, which is very attractive to young people.

In terms of interior, the interior design style of Remote Star Enjoy V6E Functional Edition keeps up with the trend, and adopts healthy and environmentally friendly materials to create an ecological and healthy cockpit. The overall style focuses on "simplicity, youth and sense of science and technology".

First of all, it is equipped in the eco-health cockpit, and it is made of healthy and environmentally friendly materials; The instrument adopts "high-definition broken code screen", which can clearly display the dynamic information of the vehicle, and it is convenient to accurately grasp the real-time state of the vehicle; The central control panel of "carbon fiber water transfer printing texture" is matched with "blue" air conditioning knob, which makes the overall style younger. The configuration is also equipped with an 8.8-inch monochrome LCD screen, Bluetooth/car phone, USB interface, rear parking radar, etc., which is very practical.

Secondly, the vehicle size is 4845×1730×1985mm and the wheelbase is 3100 mm. Also as a model, the best-selling length of fuel vehicles is only 4415mm, so the size of the Star Enjoy V6E functional version is still far ahead.

The most difference is that the remote satellite enjoy V6E functional version is very flexible to load and use. This car even takes into account the opening and closing angle of the front door, and the maximum opening angle can reach 65, which is convenient for our passengers with different heights and weights to get in and out. Under the beautification of the side through the waist line, the car looks smooth, the side door can be controlled freely, and it is convenient to take things in a small space.

The spare car body adopts a 4/6 detachable door-to-door design with an opening angle of 270, which fully meets the loading of large items such as refrigerators and washing machines when individuals move. The second and third rows of seats can also be tilted forward, which meets the regulatory requirements and can meet the various needs of users for space.

It is a "reliable youth" and human intelligence.

What else do consumers care most about? Of course it is safe and reliable. Remote Star Enjoy V6E functional edition has been considered by consumers in many aspects.

The whole vehicle adopts lightweight technologies such as high-strength steel floor and integrated design, and applies the first integrated design, which effectively reduces the number of parts.

For the car body, the high-strength cage structure can effectively form a closed-loop frame through the "longitudinal and transverse beams" of the car body to bear the load and ensure safety. The roof can bear the maximum pressure of 7.5T, and the protection against external impact is greatly enhanced. The front end of the frame is provided with an anti-collision beam, and reinforcing ribs are added on both sides of the carriage. The floor is made of material and can bear up to 1.5T.

There are 6 seats in the whole car, which are fabric seats. According to the fact, the head and legs have more space and are more comfortable to ride. The main driver is adjusted in four directions, and the auxiliary driver is adjusted in two directions. The seat and backrest are wrapped with wings to reduce the fatigue caused by sitting for a long time. In particular, the width of the driver’s seat cushion reaches 500mm, which is the widest among similar products.

In terms of in-vehicle intelligence, vehicles are equipped with remote APP car networking, which supports OTA upgrade. You can also view vehicle status, inquire dealers, service stations, electronic instructions, charging status and troubleshooting services with one click through the visual interface, and attendance is more efficient.

Summary:

Consumers’ choice is the best verification standard. Star Enjoy V brings consumers a reliable product through its own strength. Today’s remote Star Enjoy V6E functional version is upgraded on the basis of users’ needs, bringing a more comprehensive car experience.

　　Introduction: With the mass production of the 7-speed DSG gearbox equipped with LuK dry dual clutch, the DSG gearbox has entered a new stage, and the dual clutch of the dual clutch transmission DSG took five years from wet to dry.

　　With the mass production of the 7-speed DSG gearbox equipped with LuK dry dual clutch, the DSG gearbox has entered a new stage, and the dual clutch of the dual clutch transmission DSG took five years from wet to dry.

　　The latest 7-speed DSG gearbox is instructive for the future development of automobile dual clutch system, which brings convenience, movement and comfortable driving experience. Since Volkswagen put into the market in 2003, the six-speed DSG dual-clutch automatic transmission has opened a new era of transmission, which is inseparable from the vigorous investment of Volkswagen in new technology and the vigorous expansion of parts manufacturers in the field of new technology. Standing behind Volkswagen’s first-generation DSG is Borg Warner, who is providing wet dual clutches for Volkswagen DSG, and who will stand behind the second-generation DSG?

　　In the spring of this year, Volkswagen released a 7-speed DSG gearbox. Except for adding a gear, the biggest difference with the 6-speed DSG is that it adopts a dry dual clutch. This time, which component manufacturer provided the core component-dry dual clutch for the public? That is LuK Company, headquartered in Buehl, Baden, Germany. As an expert in clutch and gearbox system in the industry, it has developed this latest dry dual clutch through close cooperation with Volkswagen. In terms of fuel economy, it is better than the gearbox equipped with wet double clutch, and compared with the traditional manual gearbox, it can save fuel consumption by about 6%.

Wet dual clutch produced by Borgwarner

　　The birth of double clutch makes the phenomenon of power interruption and passengers "nodding" when shifting gears become history. As the heart of DSG gearbox, the working principle of LuK dry dual clutch is simple: LuK’s dual clutch consists of two clutches. One of the clutches is connected with the odd gear input shaft of the gearbox: 1st gear, 3rd gear, 5th gear and 7th gear; The other clutch controls the input shaft of even gears: 2nd gear, 4th gear, 6th gear and reverse gear. For example, when the vehicle is driving in 2nd gear, 3rd gear is already in gear (only the 3rd gear clutch is not engaged). Therefore, the whole shift process can be carried out quickly, smoothly and without torque interruption. The shift is completed by electro-hydraulic control mechanism, and the driver can hardly feel the instantaneous shift and the opening and closing of a single clutch.

　　The 6-speed DSG’s multi-plate dual clutch runs in the cooling oil tank in a "wet" way, while the LuK’s dual clutch has a dry structure. The torque transmission of wet dual clutch is realized by wet clutch friction plate immersed in oil, while the torque transmission of dry clutch is realized by friction plate on clutch driven plate. Because of saving the high efficiency of torque transmission of related hydraulic system and dry clutch itself, dry system greatly improves fuel economy. The same 1.9 TDI(105 PS/ 77 kW) engine with 7-speed DSG gearbox can save more than 10% fuel compared with 6-speed wet dual clutch transmission.

　　The design of "dry" double clutch has brought many benefits, the most important of which is to significantly improve the efficiency of the gearbox system. In addition, the new generation DSG gearbox eliminates the suction filter, oil cooler and high-pressure oil pipe in the gearbox housing. Like the ordinary manual gearbox, gearbox oil is only used for lubrication and cooling of gearbox gears and bearings. Therefore, the 7-speed DSG transmission oil only needs 1.7 liters of transmission oil, while the 6-speed DSG transmission oil needs 6.5 liters. Although "dry" dual clutch has many benefits, it is limited in torque transmission. The new generation DSG gearbox is suitable for all "small" engines with maximum torque less than 250 Nm.

　　Generally speaking, the dimension of dry double clutch is slightly larger than that of wet double clutch. This is determined by the layout of the double clutch and the friction material selected. Because the external dimensions of the dry dual clutch of the 7-speed DSG gearbox are slightly larger, the rest parts should be designed to be more compact, so that it can be equipped on Polo-class small cars.

　　Since 2004, LuK has started close cooperation with Volkswagen in the development of DSG damping parts. The torsional vibration absorber in this DSG technology gearbox-dual-mass flywheel is also LuK’s product. LuK’s double clutch has been shipped to Volkswagen’s transmission factory in Kassel, Germany since the beginning of 2008. LuK’s factory in Buehl has been fully prepared for mass production (about Schaeffler Group: the German-headquartered Schaeffler Group has three famous brands: INA, LuK and FAG, and is a leading manufacturer in the global automobile industry and rolling bearing industry).

　　A set of numbers about DSG gearbox

　　* 0.4 liter: Golf sedan with 122 horsepower TSI engine and 7-speed DSG.

　　The fuel consumption of the model is 0.4 liters less than that of the model equipped with a 6-speed manual transmission.

　　* 1.7 liters: 1.7 liters of transmission oil is required for the 7-speed DSG transmission.

　　* 6.5 liters: 6.5 liters of transmission oil is required for the 6-speed DSG transmission.

　　* 6 models: At present, Volkswagen has 6 models that can be equipped with a 7-speed DSG gearbox.

　　* 70kg: The 7-speed DSG gearbox weighs 70kg.

　　* 93kg: The 6-speed DSG gearbox weighs 93kg.

　　* 105 HP: At present, the "minimum" engine power matching DSG gearbox is 105 HP.

　　* 300 HP: At present, the "maximum" engine power matching DSG gearbox is 300 HP.

　　* 140℃: The maximum working environment (transmission oil) of electromechanical control module of 6-speed DSG gearbox is 140℃.

　　* 250Nm: The maximum torque of the engine matched with the 7-speed DSG gearbox is 250 nm.

　　* 350Nm: The maximum torque of the engine matched with the 6-speed DSG gearbox is 350 nm.

　　The main reason for the difference in the above data is the adoption of dry/wet dual clutch.

　　(Author: Weidong)

At this year’s Guangzhou Auto Show, the five-seat version of Dongfeng Yipai e π 008 was officially launched, priced at 206,700 yuan – 211,600 yuan, and the limited-time hand price was 176,800 yuan – 186,800 yuan. Previously, the car only offered a six-seat version, but now the emergence of the five-seat version will enrich consumers’ choices.

In terms of shape, there is basically no difference between the five-seat version and the six-seat version. The front of the car adopts a closed treatment, and with the through-type headlights, it looks very suitable for the look and feel of new energy. The side lines are very stretched, giving people a greater sense of volume. The rear shape echoes the front of the car, and it is also the design of the through-type light strip. In terms of body size, the length, width and height are 5002/1972/1732mm respectively, and the wheelbase is 3025mm.

In the interior part, the center console continues the design of the six-seat version, which is simple. The size of the center control screen reaches 15.6 inches, and the built-in Snapdragon 8155 chip. The most obvious change is naturally the seat layout. The seat adopts the traditional 2 + 3 layout, and the seat is relatively thick, which should provide a good riding experience.

The range-extended version has a 1.5T turbocharged engine as a range extender, and the CLTC has a pure electric range of 210km. The pure electric version is equipped with a large-capacity battery, and the CLTC has a range of 636km. In the motor part, the parameters of the range-extended version and the pure electric version are the same, with a maximum power of 200kW and a maximum torque of 340N · m.

GO Car Jun commented: In recent months, the sales volume of Dongfeng Yipai Eπ 008 has remained at around 3,000 units. As a model with a low volume, I personally feel that this result is still qualified. After the five-seat version is launched, I believe it will further improve sales.

1. In terms of size, the BJ60 is a mid-to-large SUV with full luxury attributes, perhaps both five and seven seats

With a range of more than 2,000 kilometers, the BJ60 may be one of the best off-road SUVs currently on the market

3. The BJ60 may have multiple power versions, and the new energy version is very likely to use extended-range power

4. If the BJ60 can accelerate 100 kilometers in less than 6 seconds, then the BJ60 may be one of the most outstanding medium and large SUV products in terms of power performance, and its acceleration effect even exceeds that of many large-displacement competitors.

A few days ago, it was officially listed, priced at 33.48-41 4,800 yuan. The new car is the first model equipped with the intelligent control technology platform of Easy Three Parties, providing pure electric and hybrid power forms for different consumers to choose from. To thank many riders for their support, the official announced that it will launch the first version of the Z9GT model, limited to 2010 units, which only supports pre-sale users to buy online.

The Z9GT uses BYD’s latest easy three-way technology, which is also the world’s first technology platform that can simultaneously achieve three-motor independent drive and rear-wheel dual-motor independent steering. It is definitely a black technology.

How is this technology achieved? The front axle uses an AC asynchronous motor, and the rear axle uses two permanent magnet synchronous motors as wheel motors, so that three motors can be independently driven and rear wheel steering can be achieved simultaneously, and both pure electric and hybrid can be achieved.

The maximum rear wheel angle of this model can reach 20 degrees in both directions, which is larger than that of a car with rear wheel steering. At low speeds, the rear wheels can be reversed to achieve a very small turning radius.

In terms of smart driving, the Tengshi Z9GT will be the first to ride BAS 3.0 + superhuman driving assistance, not only realizing full-scene driving assistance such as high-speed navigation without pictures, city navigation without pictures, automatic parking, valet parking, etc. The main thing is that it is easy to use. How is the specific actual performance? I will share it with you when Lao Wang gets the real car.

Using the BYD9000 custom chip, using the 4nm process and Armv9 architecture, Antu Rabbit runs up to 1.149 million, supports handcar interconnection, through the self-developed parking service platform, you can leave the parking lot, the payment code will appear on the mobile phone and the car at the same time, very practical.

If you want to buy a powerful hybrid or pure electric hunting model, you can pay attention to the Z9GT. Okay, I’m Lao Wang, see you in the next program.