A "South flight attendant suspected because of the iphone when the phone was electrocuted" news in the network caused large-scale attention, a time has never been our attention to the mobile phone charger products were pushed on the cusp, we pass the technical level of the step-by-step analysis, the final decision to determine the stewardess due to the leakage of charger, The 220V voltage is transmitted directly to the metal cell phone casing, resulting in electrocution. So how can we avoid such tragedies continue to happen, has been the chaos of the charger industry in the end how to standardize?
Network discovered 0.5 yuan mobile phone charger
Mobile phone Charger technology threshold is very low, in the manufacturing process also has no difficulty, and the charger belongs to consumables, the annual charger sales of about 100 million, the market is quite large, so the competition is inevitable, malicious price war also followed, resulting in the decline of product quality, manufacturers in order to pursue profiteering, at the expense of product quality, The use of inferior components, resulting in product quality is not clearance, coupled with inadequate supervision, a large number of security risks of products into the market.
Mobile phone charger Market status?
Fake Apple charger flooded network
Here we take the network sales as an example, in the domestic well-known Consumer-to-consumer platform search "mobile phone charger", can get 20多万条 results, product prices ranging from 1 to 200 yuan, Apple, Samsung, Nokia and other brands of the original charger a large proportion of the other are Third-party chargers, It also includes a lot of cheap shanzhai chargers. And in the cottage charger, unexpectedly there are less than 1 yuan of products.
How much is the charger cost?
The Apple charger has a complex structure and a lot of components
Third-party Chargers also have a reasonable layout and components
The Shanzhai charger works rough and the components shrink seriously
Apple chargers are the highest priced, followed by other brand chargers and all kinds of third-party chargers, and then the cottage charger. In terms of cost, how much difference does the charger have? The structure of the Apple charger is the most complex, in order to achieve a high standard of voltage regulator requirements and reduce EMI interference, the charger uses a lot of components, in addition, the Apple charger also includes a complex structure protection circuit, can be under pressure or overheating in the case of power loss protection , the addition of these designs made the cost of the Apple charger reach 10 dollars. And the cottage charger, the lack of a large number of necessary parts, from the internal structure of the picture we can also see its roughness, very few components, the overall accounting down, the cost of up to only 2 yuan.
A lucrative industry with weak supervision
Testing links are also part of the cost of the product
Battery Charger Endurance Test
Through our analysis of the cost, enough to see the charger industry profiteering, especially the Shanzhai charger, 2 yuan cost compared with the price of 10-20 yuan, 500%-1000% of the profit is staggering, according to the market every year 100 million chargers to calculate, even if the cottage charger accounted for only 1%, By 500% profit, the Shanzhai charger manufacturers will profit at least 8 million yuan a year. In terms of regulation, although the state has 3C certification of compulsory electrical appliances, we see that products without any certification mark are still sold in various channels.