On November 2nd, China's household appliance industry's largest and highest specification technology exchange event - 2017 China Household Appliances Technology Conference was held in Hefei, and after the in-depth discussion on the intelligentization of home appliances, the air conditioner on November 3 The five technical branches of refrigerators, washing machines, kitchen appliances and water heaters were also synchronized.
The washing machine technology branch was hosted by Mr. Lu Peishi, Global Planning Director of Haier Washing Industry. Experts from relevant fields in the national washing machine industry chain gave keynote speeches on global washing machine product and technology development trends, standard revisions, district washing, intelligent placement technology, smart washing machines, parts, detergents, and stain washing evaluation methods. , got great attention from representatives of participating companies.
Mr. Lu Peishi, Global Planning Director, Haier Washing Industry
Ye Dexing, Chief Engineer of the Product Planning Department of the R&D Center of the Group's Washing Machine Division, gave a speech entitled “Overview of the Washing Machine Industry and Technology Trendsâ€, detailing the current global distribution of the washing machine market and the macro trends of global products, and the main technical trends. Looking forward. According to Euromonitor market capacity data, the global market capacity of washing machine products in 2016 was approximately 141.5 million units, of which the capacity in North America was 18.476 million units, mainly driven by pulsators, rollers and dryers; the capacity of Europe was 35.289 million units, with rollers. Mainly with dryers; China has a capacity of 36.8 million units, mainly drums, pulsators, double barrels and dryers; the amount of beauty is 15.41 million, with pulsator, double barrel, drum and dryer The capacity of China East Asia and Africa + ASEAN is 36,384,200 units, mainly including pulsator, double barrel, drum and dryer. He believes that the Chinese washing machine market is driven by the roller, large capacity, dry clothes, frequency conversion, intelligence, and healthy washing penetration rate in the context of the overall slowdown. In recent years, the product structure has been significantly upgraded, especially the regional washing machine. The momentum of development is rapid. In addition, this is very different from the European and North American markets.
For the dryer, Ye Dexing said that from the comparison of washing machines and dryers, North America is 1:1, Europe is 1:0.5, and China is still very low. In the Korean market, the main reason was the washing and drying machine. The dryers also entered the stage of rapid growth in recent years. At present, major domestic manufacturers are pushing dryers. In 2016, they increased by 65%. In 2017, they are expected to grow by 50%, but the inflection growth market turning point has not yet arrived. In the future, dryers will continue to grow rapidly in China, driven by consumer habits.
Ye Dexing believes that overall, China's washing machine market is the most rapid change and innovation from a global perspective. The European market is still consistently rational, paying more attention to the connotation of the product itself, bringing high-quality experience to users; the North American market is slow to change. Mainly Korean brands are driving change.
Lu Jianguo, deputy chief engineer of China Household Electrical Appliances Research Institute, introduced the revision of GB/T4288, the national standard for washing machines. He believes that China's household appliance standards are still leading internationally, but there is still much work to be done in the quality certification system. At present, the quality certification is only "3C" certification. The products are either qualified or unqualified, and there is no more detailed division standard. This causes consumers to have great confusion in the selection of goods. Therefore, the GB/T4288 revision also increases the consumption. The purchaser provides an easily identifiable information content. The revision of the standard is currently in the sprint phase and will be released soon.
GB/T4288 main revision project
Partition washing, intelligent placement and smart washing machine are hot topics in the domestic washing machine market. Yan Aiyun from Qingdao Haier Washing Machine Co., Ltd. and Xiong Ming from Wuxi Little Swan Co., Ltd. shared the "Partition Washing" and "Intelligence" respectively. Delivery technology.
Yan Aiyun believes that the demand for washing and washing of users of washing machines has not been satisfactorily met, either through a washing machine, or only two washing machines, which brings great inconvenience to consumers. And unnecessary expenses. Haier has successfully developed a solution through double-tube mutual balance technology, mutual balance system center, dual drive force system, steel-bone integrated system, 7-dimensional shock absorption system, 涟漪 shock absorption system, intelligent water separation system, and intelligent water reuse system. The double-drum multi-type washing machine satisfies the consumer's demand for classified washing.
Xiong Ming said that according to a survey they conducted, more than 80% of consumers believe that the manual addition of detergent and the amount of control plagued their lives. Through the intelligent innovation, Midea's washing machine division has solved the problem of intelligent delivery by intelligent clothing perception, intelligent fabric texture sensing, intelligent stain sensing, intelligent and accurate automatic delivery, and intelligent water magic washing. Good consumer experience, while saving water, saving electricity, saving time and detergent consumption.
Regarding the smart washing machine, Chen Qiuhuang from Zhejiang Dafeng Technology Co., Ltd. believes that the smart washing machines produced by the washing machine manufacturers generally need to be connected through the WIFI of consumers. If the consumers do not match the network, there is no data. This has caused the washing machine manufacturers to spend a lot of money to build networking technology, which did not play the biggest role. The NB-IoT technology for IoT services can be applied to smart washing products. With NB-IoT technology, manufacturers can master the initiative of device networking, and consumers can also remotely control products. Efficiently collect data, which can make the company's decision-making more effective and greatly reduce the operation and maintenance cost of the enterprise.
In recent years, the reason why the washing machine industry can achieve faster product structure upgrade and technological innovation of core components is inseparable.
At the washing machine technology branch, GMCC & Welling R&D engineer Wu Di introduced various DDM motors and intelligent drive systems in detail. He believes that the pulsator washing machine still has a large market share due to its short washing cycle and power saving. The traditional pulsator washing machine is generally equipped with an induction motor, but the frequency conversion trend is irreversible, and the direct drive (DDM) structure is a rising star. The trend is becoming more and more obvious, and it is favored by the market, especially in the high-end wave turbine type.
The theme of Xu Yonggang's speech from Bo Xihua Electric (Jiangsu) Co., Ltd. is "Application of centrifugal dryer for washing and drying machine". He believes that from the market point of view, the opportunity of washing and drying is becoming more and more large. The drying performance is getting better and better. Accelerating drying speed with high air volume is an effective way to meet future demand. Therefore, in the process of developing and designing the centrifugal fan, the influence of temperature and humidity, particulate matter or fiber on the performance of the fan must be considered. The choice of the type of fan impeller should consider the space, performance, accumulation of fluff material, slope of performance curve and noise. influences. Technically, the centrifugal fan based on DC brushless motor provides the feasibility of improving the performance of the drying system and intelligent control of the drying process. However, in the process, it is necessary to comprehensively consider the platform planning of the product, the type of the fan, the actual condition of the space, the interface condition between various components, etc., and overall planning the application of the fan to reduce the cost.
The noise of washing machine drainage is a common problem reflected by many consumers. The speech of Liu Xing'an “Analysis of noise improvement of washing machine drainage pump†by Suzhou Samsung Electronics Co., Ltd. provides a feasible solution to solve this problem. He said that washing machine noise is divided into mechanical noise. , electromagnetic noise and aerodynamic noise, in the aerodynamic noise, the drainage pump noise is more obvious, especially in the drainage stage when the water level is low, the noise is greater, often accompanied by periodic "boom" sound, somatosensory noise is poor. In the process, by optimizing the wall surface of the drain pump chamber, the loudness of the drain pump can be reduced, and the sound pressure level is lowered; the reciprocating motion of the water flow at the outlet of the drain pump causes a periodic "boom" sound, which can be at the drain of the drain pump. The structure of the check valve is increased to prevent the water from reciprocating, the "boom" sound disappears, and the sound quality is improved. In addition, in addition to adding a check valve structure, other noise improvement solutions can be tapped, such as by optimizing the drain pump body and pump casing structure.
With the pursuit of quality life, clothing fabrics are becoming more diversified and upscale, which puts higher demands on the care of clothing. These requirements cannot be fully satisfied by the technological innovation of the washing machine itself. In recent years, the China Household Electrical Appliances Association, the organizer of the technical conference, has invited experts in detergents and fabrics to introduce the latest developments in these fields, bringing the most abundant innovations through the washing machine manufacturing industry and cross-border collisions in these fields. element. In this chapter, Shen Jun, Director of Family Care R&D from Unilever North Asia, gave a speech on "Development and New Trends of China's Detergent Market". He believes that the Chinese detergent industry is facing the transition from satisfying the basic needs of consumers to pursuing a refined life. The demand for detergents is no longer a simple cleansing and stain removal function, but a protective clothing for detergents. Clothing color), gentle (care for clothes, care for hands, suitable for treasure clothing), convenient (easy to use, no residue), hygiene (sterilization and sterilization, so that clothes are kept hygienic). In the development of detergent products and technology, the latest biotechnology technology is used to add natural enzyme components extracted from plants to detergents to make detergents have better cleansing power and less impact on the environment. In addition, sterilization and decontamination, concentration (coagulation beads, laundry tablets), natural ingredients, etc. are also the development direction of detergents.
The stain washing evaluation method is mainly used for the evaluation of the washing effect of detergents on different fabrics. The evaluation method and application of stain washing based on image analysis technology shared by Professor Ding Xuemei of Donghua University Textile and Apparel Care Laboratory has aroused great interest from the participants. . According to the principle of visual saliency and color similarity, the evaluation method shows that the similarity obtained by image analysis technology has a significant negative correlation with the washing rate measured by traditional instruments. The color similarity evaluation based on image analysis technology The method can be applied to the evaluation of the washing effect of different fabrics, and the evaluation method can also be applied to the evaluation of the washing effect of different stains. (Mo Feng)
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