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The green "safety exit" indicator light in public places is an important sign to deal with unexpected accidents. Recently, some citizens reported to the Beijing News that some of the "safety exit" indicator lights in the east underground passage of Xidan intersection and Xidan subway station in Xicheng District were out of order and there were potential safety hazards.

The Beijing News reporter visited Xidan, Tianqiao, Puhuangyu, Shilihe, Dawang Road and other subway stations, and found that the "safety exit" indicator light was not lit and the indicator signs were damaged in many stations.

The "safety exit" indicator near Exit D of Xidan subway station has been repaired. Photography/Beijing News reporter Wujiang

The failure of some indicator lights in the underground passage of Xidan intersection was reflected and repaired on the same day.

On the morning of August 16, the reporter visited the east underground passage of Xidan intersection mentioned by the public. There are 18 "safety exit" indicators on the walls on both sides of the passage at intervals of about 8 meters. The fault indicators reflected by the citizens were all repaired at this time. According to the staff, all the indicator lights in the channel have just been overhauled recently, and there is a special person to overhaul the channel equipment once a month. However, in the underground passage on the west side of Xidan intersection, although there are security guards standing guard, there is no "safety exit" indicator or logo.

The east and west passages of Xidan intersection lead to the two entrances and exits of the subway station respectively. The reporter entered Xidan Station of Metro Line 1 along the passage and checked the indicator light along five lines. At Xidan Station, there are indicator lights or signs beside the elevators at each entrance and exit, on the walls of underground passages, and on the columns near the trains. However, at least four indicators are not lit, and many indicators are low in brightness or only partially lit.

The reporter reported the situation to the person in charge of the subway station as a citizen, and the other party recorded it and promised to contact the maintenance personnel to check it on the same day.

In view of the low brightness of some indicator lights, the person in charge said that Metro Line 1 is the first subway in China. Due to the early construction time, some equipment along the station is not as advanced as the newly built subway station. "The low brightness of some indicator lights is not a fault, because they are not used for lighting. When there is an accident and power failure, the surrounding light becomes dim, and then the indicator lights can be seen clearly." The person in charge said that the "safety exit" sign posted on the wall has a fluorescent function, which absorbs light at ordinary times and can also emit light in the dark.

At two o’clock in the afternoon, the reporter came to Xidan subway station again and found that the workers with the words "Beijing Metro Electromechanical" printed on their clothes were leaving with ladders on their backs. The reporter noticed that the indicator light that failed in the morning has been repaired.

At Shilihe subway station on Line 14, a "safety exit" sign has been damaged. Photography/Beijing News reporter Huang Zhecheng

Shilihe and other subway stations are patrolled every day, but the indicator light is still faulty.

On August 17th, the reporter visited Dawanglu Station on Line 1, Puhuangyu Station and Shilihe Station on Line 14, and Tianqiao Station on Line 8. Compared with Line 1, Line 14 and Line 8 are newly opened subway lines in recent years, and the indicator lights in the stations along the lines are brighter and more densely distributed. However, these sites also have indicator failures and broken signs.

At noon that day, the reporter called Beijing Jinggang Metro Co., Ltd., which belongs to Line 14 subway, and the service hotline of Beijing Metro Operation Co., Ltd., which belongs to Line 1, as a citizen to feedback the fault. In the afternoon, the staff of Puhuangyu Station and Shilihe Station on Line 14 called back and said that the lights and signs in the stations had been thoroughly inspected and would be replaced in the near future.

According to the staff of Puhuangyu Station, after receiving the report, three indicator lights were found to be faulty and two indicator signs were damaged. The maintenance personnel will complete the maintenance in the afternoon. The person in charge of Shilihe River detected that two indicator lights were faulty and four indicator signs were damaged. The indicator signs will be replaced in the afternoon and the indicator lights will be replaced in the near future.

The person in charge of all the sites visited by the reporter said that there are special personnel in the station to overhaul all the equipment every month, and there are also people on duty to patrol in turn every day. Why was the indicator light problem not discovered in time? A person in charge said that sometimes there is a large passenger flow during peak hours, and the patrol personnel temporarily handle other emergencies, which may lead to the interruption of the patrol. Next, the patrol will be strengthened.

Mr. Wu, a citizen, believes that when an accident occurs, the public can evacuate in time according to the route indicated by the "safety exit" indicator light. If the indicator light cannot be repaired in time, it may lead to an accident. "It is not difficult to repair it in time, and it doesn’t cost much. The key is whether anyone notices it." Mr. Wu said that especially in some prosperous business districts, the daily passenger flow is large, and more attention should be paid to the safety of related facilities.

At noon on August 19, the reporter came to Shilihe Station and Puhuangyu Station on Line 14 again. The failed indicator light has been repaired and the broken indicator has been replaced.

At Xidan Station of Line 1, the brightness of some "exit" indicators is low.Photography/Beijing News reporter Huang Zhecheng

Tips

If you find the indicator light and other problems, you can contact the subway station staff or call the hotline.

In several subway stations, the reporter did not find the public information of the subway service hotline. Some passengers said that if a problem is found, I don’t know what department to call and what to call to reflect the situation.

In this regard, most subway staff said that they could contact the staff in the station directly, but some people on duty did not know what hotline to call.

The reporter learned that the Beijing subway line belongs to the jurisdiction of different operating companies. Among them, there are 16 operating lines under the jurisdiction of Beijing Metro Operation Co., Ltd., including Line 1, Line 2, Line 5, Line 6, Line 7, Line 8, Line 9, Line 10, Line 13, Line 15, Batong Line, Airport Line, Fangshan Line, changping line, Yizhuang Line and S1 Line. The company’s service hotline is 010-96165.

Beijing Jinggang Metro Co., Ltd. is responsible for the subway operation of Line 4, Line 16, Line 14 and Line Daxing, and its service hotline is 86-010-63988622.

Yanfang Line is managed by Beijing Rail Transit Operation Management Co., Ltd., and the passenger service hotline is 010-87837266.

Beijing News reporter Huang Zhecheng Co-reporter Wujiang

Editor ZhangChang proofreads He Yan.

　　[Special correspondent of Global Times in Britain and Germany Qiang Wei Mu Jishan Aoki Wei Hui] No! No! No! … … The British Parliament, mired in Brexit, showed the world their ability to say "no". On the evening of April 1, the House of Commons of the British Parliament once again conducted an "indicative vote" on the alternatives to Brexit. As a result, all four options were rejected again. The Brexit agreement led by British Prime Minister Theresa May has been rejected three times, and various alternatives proposed by Parliament have failed to pass many times. Originally, March 29th was supposed to be the day when Britain left the EU. At the request of the British government, the date was extended to April 12th. Seeing that the "deadline" was approaching, there was still no hope of breaking the deadlock. Banier, the EU’s chief negotiator in charge of Brexit, warned on the 2nd that it is increasingly possible for Britain to leave without agreement. Fu Sida, the chief negotiator of the "Brexit" of the European Parliament, even bluntly said that Britain’s "hard Brexit" was almost inevitable. For more than two years, Britain has devoted almost all its political energy to the issue of Brexit, but what it got was endless quarrels and repeated vetoes. The split and paralysis of British politics has become the object of ridicule by many foreign media. The Irish Independent newspaper said that "the British parliamentary system cannot find any solution, which makes their democracy a laughing stock".

　　On the evening of the 1 ST local time, the lower house of the British Parliament voted again on four "soft Brexit" alternatives. As a result, four proposals, including negotiating with the EU to maintain a customs union, establishing a "Common Market 2.0", holding a second referendum and canceling Brexit if no agreement can be reached, have not received more than half of the votes. Among them, the proposal to maintain a customs union with the EU was rejected by three votes, which is the closest scheme among all the "indicative votes".

　　Immediately after the voting results were announced, the exchange rate of the pound against the US dollar fell by nearly 1%. The British "Daily Express" said that there are still 10 days to go to the EU’s Brexit deadline for the UK, but parliamentarians have said "no" to all Brexit programs. CNN said on the 2nd that if Brexit is a tennis match, it will be a hard five-set match. In the past, five sets of games were tied, and now the score is 60, and neither side can gain obvious advantages. Everyone is exhausted, and there is no end in sight.

　　"The possibility of Britain leaving the EU without agreement is increasing." According to Agence France-Presse, Banier, the EU’s chief negotiator in charge of Brexit, warned of the deadlock in Brexit on the 2nd. Banier said that leaving the EU without an agreement has never been what the EU wanted. "But the 27 EU countries are ready now, and it is becoming more and more possible every day.". Banier also said that if Britain fails to pass an agreement in the next few days, there are only two options left: no agreement to leave the EU, or a request for a long delay in leaving the EU. The latter option requires Britain to agree to hold the European Parliament election in May, which the Theresa May administration, which wants to leave the European Union before then, has tried its best to avoid.

　　Agence France-Presse said on the 2nd that British Brexit Secretary Buckley hinted that the government may seek a fourth vote on the Brexit agreement this week to avoid the delay in the Brexit process and hold the European Parliament election in May. Buckley warned that otherwise, "the default legal position is that Britain will leave the EU within 11 days", even if no agreement is reached. The BBC said that a number of cross-party lawmakers proposed an urgent motion on the 2 nd, asking the Prime Minister to delay Brexit if no agreement can be reached.

　　"A hard Brexit is almost inevitable." Former Belgian Prime Minister Fu Sida, the chief negotiator of the "Brexit" of the European Parliament, issued a more straightforward warning on the 2nd. European Commission President Juncker said in an interview with Italian television: "We are very patient with our British friends, but our patience is running out." French President Macron warned on the 2nd that the EU should not be "held hostage" by the Brexit crisis. Macron also said that if Britain can’t find a solution, it will actually choose to leave the EU without agreement. "We can’t stop this failure.".

　　[car home Technology] I don’t know if everyone in front of the screen knows anything about the 100,000-class pure electric compact car. As far as the author is concerned, the competition of this class of cars is actually quite fierce. On the one hand, it is a price war, on the other hand, it is repeatedly involved in design, safety and configuration. In this class of cars, (|) successfully circled the powder with its retro and beautiful shape. Of course, we don’t talk about design today, but look at the scientific and technological strength behind this boutique car through actual disassembly.

● Five-ring body frame

　　The length, width and height of Wuling Binguo are 3950*1708*1580mm respectively, and the wheelbase is 2560mm. Thanks to its front-drive pure electric platform technology, the cabin space utilization can be maximized.

　　For small cars, consumers are not only concerned about the performance of their cabin space, but also extremely concerned about their safety. Binguo adopts a five-ring car body frame structure, which can increase the rigidity of the car body and improve NVH performance, and at the same time, it can quickly transfer collision energy when a collision occurs, reduce the intrusion of the passenger compartment and protect the safety of the passengers.

　　The A-pillar, B-pillar and sill beam constitute the thermoformed steel door ring, which can bear higher pressure and improve the torsional stiffness and safety of the car body. At the same time, the steel door ring of hot car can also improve the sealing performance and torsional stiffness of the car body, improve NVH performance and enhance ride comfort.

　　The energy-absorbing box can reduce the maintenance cost of low-speed (20-30km/h) impact, because the energy-absorbing function of the energy-absorbing box can avoid the damage of the longitudinal beam, and the damaged energy-absorbing box can be replaced separately.

　　According to official data, compared with the design of only the front finger beam and the front longitudinal beam, the triple frontal collision-resistant energy-absorbing structure design of Binguo can achieve a 15% improvement in energy absorption efficiency.

　　There is also a steel anti-collision beam at the rear of Binguo, but there is no energy-absorbing box between it and the body. Even so, the existence of the anti-collision beam can disperse the impact energy of the rear collision, thus reducing the damage degree of the rear collision accident to the vehicle.

● Robust chassis

　　Binguo adopts the suspension combination of front McPherson and rear torsion beam, which is common at the same level. Simple structure, durable leather and low manufacturing cost are a major feature of this suspension form.

　　Compared with the open beam, the closed torsion beam with variable cross-section improves the stiffness of the torsion beam by 41% and the bearing capacity accordingly, thus reducing the vibration and improving the ride comfort.

　　According to the manufacturer’s introduction, Bingo’s chassis adjustment style is tough, that is, to ensure ride comfort on the basis of achieving good support of the car body. Therefore, bingo will be more stable when driving at high speed, giving people more sense of security, and emergency lane-changing vehicles can also provide good support. Binguo 410km Linxi Exclusive Edition uses a brand-new motor with better performance, and its top speed can reach 130km/h, which is higher than that of other models with 100km/h and 120km/h, so it is quite necessary to match a robust chassis.

　　Compared with the 175 and 165 tire widths commonly used in the same class, the wider tread of Bingo standard tires is beneficial to improve tire grip, make the vehicle run more stably, and ensure sufficient braking performance.

　　In addition to making great efforts to filter the vibration of the chassis to improve NVH performance, Bingo also made a fuss about the details such as the sealing and sound insulation measures of the passenger compartment. Both the front and rear side doors of Binguo have two complete sealing strips to ensure the tightness of the passenger compartment and avoid the introduction of environmental noise and wind noise into the car. At the same time, the sound-absorbing cotton of the front and rear outer wheel covers of Bingo is made of non-woven fabric +PP+PET+ non-woven fabric, which can effectively absorb the tire noise and the noise generated when the suspension system works.

● Water-cooled flat wire motor and refined battery

　　Binguo 410km Lingxi exclusive edition adopts water-cooled flat-wire permanent magnet synchronous motor, which is a three-in-one design and integrates motor, electronic control and differential.

　　Compared with the round wire motor, the slot fullness of the flat wire motor is increased by 20%, the contact area between the flat wires is larger, the heat conduction is better, and the heat dissipation capacity is stronger. The power density of the flat wire motor is increased by 0.8kW/kg, and the high efficiency range is expanded by 11%, thus making the maximum efficiency of the motor more than 96%.

　　We can see that there is a cooling water jacket on the stator shell of the motor, and the cooling liquid will circulate in the water jacket, taking away the heat generated when the motor works, and improving the continuous high power output performance and durability of the motor.

　　Wuling’s refined battery should be familiar to all of you. I introduced this battery in detail in the technical article of Wuling Starlight (click to view).

　　The battery core of Shenlian battery can not catch fire or explode in the acupuncture test; In the shallow needling test (the steel needle penetrates 1/3 of the battery thickness), the battery can still discharge normally; When the battery cell is extruded and deformed by external force up to 40%, it can not catch fire or explode. The safety performance at the cell level is quite eye-catching, which is also the key factor for the high safety of Bingo battery system.

　　At the level of battery pack, Shenlian battery adopts a structure called MUST, that is, Multifunctional Unitized Structure Technology, a multifunctional integrated battery pack structure technology. The biggest feature of this structure is that the cells are put into the reinforced frame and then installed into the battery pack. This reinforced frame can improve the structural strength of the battery pack by 60%.

　　Battery packs have suffered a lot in the laboratory, and it is common to go to the mountains and go to sea. The whole package of Shenlian battery has been tested by temperature change test, water immersion test, high temperature acupuncture test, vibration test, bottom dynamic impact test and charge-discharge test.

More exciting videos are all on the car home video platform.
"Needle Punching Test of Shenlian Battery Core"

　　Like mainstream electric vehicles on the market, Bingo’s BMS battery management system also supports Che Yun Intelligent Collaboration. In addition to real-time monitoring of battery status at the vehicle end, all-weather and life-cycle second-level safety inspection will also be carried out in the cloud. When the system detects battery collision, stabbing or overheating, it will actively remind the driver to prevent problems before they happen.

　　According to the manufacturer, this can reduce the maintenance cost by 90%. At the same time, Wuling has also strengthened the training of battery maintenance in the 4S after-sales service system. I believe that in time, its after-sales service outlets will be fully equipped with power battery maintenance capabilities. Compared with the power battery specialized service that can be seen in the market now, it is obvious that the official after-sales service can reassure consumers.

　　In this regard, I also asked the engineer at the dismantling site whether there will be batteries in the form of direct cooling or water cooling with refrigerant installed on Bingo. The engineer’s reply is vague and only means "on the road". Perhaps in the future, Bingo with more powerful electric drive system will use direct cooling or liquid cooling battery system with active temperature control function, which is worth looking forward to.

● Full text summary:

　　Wuling Binguo, as a pure electric small car, has done its homework in terms of cabin space utilization and safety, completely dispelling consumers’ concerns about small space and insecurity of small cars. At the same time, the affordable price of 59,800-88,800 yuan, combined with its fashionable and beautiful shape, is a good choice for buying food scooters in the near future. (Photo/Text/Photo/car home Chang Qinglin)

CCTV News:The 133rd Canton Fair will be held in Guangzhou in three periods from April 15th to May 5th, and the second period will be held from today (April 23rd) to April 27th. The Canton Fair has always been the window and epitome of China’s opening to the outside world, and it is also an important platform to promote China enterprises to go global and enhance the competitiveness of products and brands. At this year’s Canton Fair, enterprises have brought the latest products to attract partners.

The reporter learned from the China Foreign Trade Center that since the first phase of the Canton Fair was launched, the number of visitors has exceeded 1.26 million.

On the basis of maintaining 16 categories of commodities, the current Canton Fair has 54 exhibition areas and 159 special areas. Exhibitors brought the latest ideas and products, and comprehensively displayed the new trends and new achievements of various industries.

Exhibitor Du Yuanyuan:In the past, it was mainly based on OEM. Today, it is our own invention and innovation display. All the new products have come to the Canton Fair for release.

It is understood that the number of new products released online in this Canton Fair is about 800,000, which is more than a quarter of the total number of online exhibits, and the number of online and offline new product debut activities has reached 300.

Xiao Rong, Deputy Director of Canton Fair Business Office:Enterprises in the new exhibition area are concerned by a large number of overseas buyers, and more than 20% of overseas buyers visit the new exhibition area, and the negotiations and transactions are enthusiastic, which shows that China’s foreign trade enterprises are full of vitality.