July air-conditioning sales rose year-on-year
Data from Ovid Consulting showed that in the four weeks of July, except for the second week and the third week, the sales volume of the air conditioners rose in the first week and the fourth week. The retail volume was 413,000 units, which was the most week in four weeks. In the four single weeks of July, the chain's sales of air conditioner sales increased by 32.6%, -5.2%, -34.7%, and 7.2% respectively.
From the year-on-year data, four single-week sales have experienced different degrees of growth, and the rigid demand caused by hot weather has boosted sales of air conditioners. Zhang Yanbin, dean of the Ovid Consulting and Research Institute, predicted that the nationwide air-conditioner sales in July would increase by 20% to 30% year-on-year.
Frequency-changing products occupy half of the market
Affected by the energy saving subsidy policy and the recovery of the real estate market, the air-conditioning market achieved sales growth in the first half of this year. According to data from Zhong Yikang, the domestic air-conditioning retail market sales for 2013-June was approximately RMB 80.3 billion, an increase of 32.6% year-on-year. . From a specific product point of view, fixed-frequency air-conditioning accounted for 46.4% of the retail volume, an increase of 15.4%, inverter air conditioner accounted for 53.6% of the retail volume, an increase of 18.3%.
The data from Ovid Consulting also showed that during the fourth week of July (07.22-07.28), the retail share of inverter air conditioners was 50.4%, which was a quarter-on-quarter increase, but the share of air-conditioners sold in the energy-saving market was declining. The share of sales of inverter air conditioner finalists was 48.8%, a decrease of 0.7% from the previous quarter.
New energy efficiency standards increase manufacturing costs
It is reported that the new energy efficiency standard for inverter air conditioners will be formally implemented on October 1 this year, which will increase the product entry threshold. The modified energy efficiency limit value of inverter air conditioners will be increased from the current 3.0 to 3.9, and market access The threshold will also be upgraded from 5 to 3, which is a test for the R&D technology of air-conditioning companies.
The new energy efficiency standard introduces the APF evaluation index, which not only examines the cooling capacity of the air conditioner but also examines the heating factor, and puts forward more comprehensive requirements for the energy-saving level of the air conditioner's overall product. This has also increased the cost of air-conditioning manufacturing, and some companies have said that if the new standard goes from level 5 to level 3, it means that each cost may increase by 500 to 600 yuan.
Semiconductor Fuse And Ferrite
Fuse refers to an electric appliance that, when the current exceeds the specified value, melts the fuse and disconnects the circuit with the heat generated by itself.When the current exceeds the specified value for a period of time, the fuse melts and disconnects the circuit with the heat generated by the fuse itself.A current protector made from this principle.The fuse is widely used in high and low voltage power distribution system and control system as well as power equipment.
Ferrite is a metal oxide with ferrous magnetism.As far as electrical properties are concerned, the resistivity of ferrite is much larger than that of single metal or alloy magnetic materials, and it has higher dielectric properties.Ferrite magnetic energy also shows high permeability at high frequencies.As a result, ferrite has become a non-metallic magnetic material widely used in the field of high frequency and weak current.Due to the low ferrite magnetic energy stored in the unit volume, saturated magnetic induction strength (Bs) and low (usually only pure iron 1/3 ~ 1/5), and thus limits its higher requirements in the low-frequency magnetic energy density in the field of high voltage and high power applications.
Semiconductor Fuse, Fuse Cutout, Protection Fuse, Square Fuse, Fuse Link, Ceramic Fuse, Fuse Box, Fuse Resistors
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