Due to the weak air mobility in the near-surface layer during the autumn and winter seasons, air pollutants are not easily diffused, resulting in frequent smog. For those living in Zhengzhou, the smoggy weather in Zhengzhou last year made people remember very deeply.
The double eleven promotion node is approaching. When the reporter visited the market, it was found that many merchants have put the promotion of air purifiers in an important position. Before the arrival of the smoggy weather, buying a suitable air purifier has become one of the most essential items for consumers to spend the winter.
There is not enough heating, and the air purifier becomes a must-have "artifact" for the citizens to spend the winter.
For those families with old people and children, heating in winter is not enough. In the autumn and winter, the continuous smog has become a sword hanging over many people's heads.
During the visit, the reporter found that for the foreseeable smog weather, buying an air purifier for the winter has become an inevitable choice for many consumers. Mr. Li, who is currently worrying about purchasing an air purifier, "My family purchased an air purifier for the wife with a second child. I hope that the baby can be bred in a healthy environment and the wife can live more comfortably."
In the view of Mr. Li, in his family with old people and children, the role of the air purifier is too great, and what he values ​​most is the purification ability of the product. “I hope that the products I have purchased have superior air purification capabilities and can be ultra-quiet, allowing families to live in a safe, healthy and quiet environment.â€
In addition, near the end of the year, it is also the peak period of new home renovation. Among the consumers who choose air purifier products, many people have just finished the renovation of their homes. “The newly renovated house is most afraid of formaldehyde. If there is not a few air purifiers in the new house, it always feels like rest assured". Some consumers said that in addition to purifying the smog in the air, if the air purifier can handle formaldehyde well, "it doesn't matter if you spend more money."
In addition, there are many young people who have their own requirements for product design, size, cost performance, and ease of operation. But how to choose a good air purifier, many consumers said that they are not at work, if the business can issue test reports from the national authorities, they can make them feel relieved.
In some malls, some buyers come to new products with zero consumables. They said that some air purifiers need to replace filters, filter cartridges and other consumables in the later stage. These prices are not cheap, and they are expensive to use. Therefore, the main products that do not need to be replaced with filter elements are very bright and many people are consulted.
PM0.3 filter + no consumables + intelligent, air purifier is convenient and "smart"
"Compared with previous years, people who purchase air purifiers this year obviously have to start earlier than in previous years, indicating that the demand for air purifiers is still very strong." A salesperson of a home appliance store told reporters that at present, on the market There are many types of air purifier products, a variety of new brands, new concepts emerge in an endless stream, and prices range from a few hundred dollars to tens of thousands. “Even so, we feel that consumers are still very strict with air purifiers, and those big brands with high market reputation are more popular with consumers.â€
During the visit, the reporter found that some new products are still filtering PM2.5 and increasing the filtration of PM0.3. According to public information, PM0.3 is nearly 600 times smaller than PM2.5. It can pass through the lung blood barrier, directly into the blood, stay in the deepest part of the lungs, and remain in the body forever.
In addition, the "no consumables" design has become a new selling point for many brands. For example, Fujitsu's new air purifier uses electric dust collection technology and automatic regenerative deodorization device, so consumers do not need to change the filter; Gree air purifier's new zero consumable products are designed to bid farewell to the tradition. The layered filter design eliminates the need to replace the dust filter material and maintains efficient operation with regular cleaning.
A new product of the United States, using coconut shell activated carbon and modified cold catalyst active ingredients, makes its own purification ability stronger and longer life; while the old air purification brand 3M has a new way, launched the Zhiai series maternal and child air purifier, For the special population, use 3IN1 air filtration technology to try to keep the baby and mother away from the invisible air killer.
In addition, the reporter learned that most of the empty products on the market now have the function of connecting mobile apps, consumers can know the air quality at home and remote control through mobile phones.
Double eleven promotes online and offline, and loves "hands-on" before the arrival of smog
The reporter visited and learned that before the annual double eleven, many large-scale home appliance stores in Zhengzhou City have begun to carry out preferential sales promotion activities, and all the major net brands are also waiting to be treated. Many new products are placed in the store. Location. Similarly, on the online shopping platforms such as Taobao and Jingdong, many new air purifiers have been put on the shelves, kicking off the prelude of the double eleven promotion in advance.
Faced with the big promotion of online shopping platform, many offline stores push “online and offline price comparison†and “full network price comparisonâ€, while online shopping platform not only promotes new product promotion, but also many brands have played “spotâ€. The slogan of "quick hair" and other products are mainly pushing "insured double eleven".
Buy now and get ready to prepare for the smog weather. More importantly, it is possible to avoid problems such as the shortage of products during the peak sales period and the extension of logistics dispatch time. Moreover, some brands of products, now purchased and purchased at the double eleven, the same strength.
It should be noted that the slogan of air purifier products on the market is very diverse, and many consumers are easily induced by the salesperson's sales speech when they choose. However, according to the new national standard for air purifiers officially implemented on January 1, 2017, a high-quality air purifier should have high CADR (clean air volume) + high CCM (cumulative purification of pollutants) + high purification energy efficiency + low Noise, the implementation of the new national standard, gives consumers a strong reference standard when purchasing empty net products. When consumers purchase, they can ask the merchant to issue a test report from the national authorities and select products that meet the national standards.
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Digital Visual Interface Cable Connectors
DVI ConnectorWith the advent of technologies such as DVD players, high-definition televisions, and even digital cable, the need for more advanced cables and connectors has increased. Digital Visual Interface (DVI) is one response to the growing need for interconnected systems, enabling digital systems to be connected to an array of displays. Yet DVI cables and connectors can also be complicated, and may lead to confusion between High Definition Multimedia Interface (HDMI) and DVI. Although the two systems have much in common, they service different niches of digital technology.
Digital Visual Interface
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DVI-I Single Link
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DVI-I Dual Link
A DVI-I dual link connector can also be used with both digital and analog applications, but is configured with more pins to accommodate a dual connection. There are three rows with eight pins each, as well as two contacts.
DVI-D Single Link
Specifically designed for digital applications, a DVI-D single link connector has three rows of six pins, and looks much like a DVI-I single link connector. However, a DVI-D connector has no contacts.
DVI-D Dual Link
Also made specifically for digital applications, a DVI-D dual link features more pins (three rows of eight) for dual connections. Like a DVI-D single link, a DVI-D dual link connector has no contacts.
DVI-A
This particular type of connector can only be used for analog applications, and has three rows of pins. One row has five pins, one has four pins, and the last row has three pins. Like single link connectors, a DVI-A link connector has two contacts.
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