3 batches of electric shavers in Shanghai are unqualified

Recently, the quality and Technical Supervision Bureau of Shanghai has monitored the quality of razors, electric shears and similar equipment products of the city's production, sales and e-commerce platforms. 20 batches of products were inspected. 3 batches of products such as Zhejiang Superman shaver and other products were tested. The substandard items were: heat resistance and fire resistance.

The following items were tested on the basis of national standards and related standards, such as the first parts of GB 4706.1-2005 "safety of household and similar electrical appliances: General requirements", GB 4706.9-2008 "safety razor of household and similar electrical appliances, special requirements for electric shears and similar appliances". Signs and instructions, protection for touching parts, input power and current, heat, leakage current and electrical strength under working temperature, moisture resistance (leakage current and electrical strength), overload protection of transformer and related circuits, abnormal work, stability and mechanical danger, mechanical strength, structure, internal wiring, 18 safety inspection items, such as power connection and external cords, wiring terminals for external wires, grounding measures, screws and connections, electrical gaps, climbing distance and solid insulation, heat resistance and combustion resistance.

There are mainly two kinds of shaving systems for electric shavers: reciprocating and rotary. From the movement principle, the former is through the knife head and back movement, shave the beard, because the knife head is accelerating and decelerating in the reciprocating movement, the vibration and the noise are great when it is used. The rotary shaving system is rotating in the central rotation, and the circular motion can continuously carry on the one-way shaving, not only makes the shaving clean and shaving continuously, not only makes the shaving more clean but clearer. At the end, will not produce discomfort to pull the beard, and the use of quiet no vibration, shaving more comfortable fit. In addition, whether the electric shaver has the function of floating head, surface adjustment and other functions should also be paid attention to when selecting.

Whether the electric razor can shave the beard is the most important factor. Properly designed, shaving can be a kind of enjoyment. The razor heads on the market can be roughly divided into 3 types: turbine, wrong knife and omentum. The number of cutters is also a decisive factor. A double head and three head design has been developed to get a better shaving effect. In terms of function, the electric shaver has the basic shaving function, plus the functions of "knife head clean display" and "storage capacity display". In addition, a new generation of electric shaver also successfully developed scraping trimmer in addition to men hair "".

The electric shaver is a new type of beauty appliance. The expert reminds, should pay attention when selecting and buying different conditions and different needs, such as regular use of dry battery. In the place of home or power, you can choose alternating current or charging type. If shaving stubble is needed, and when the beard, temples and back neck are made, the two use can be selected. Type; if only for shaving stubble, choose to use razor alone; if beard is rough and hard, you can choose a shaver with a slightly larger power. Generally speaking, our consumers use rotary electric shavers, and reciprocating razors are an international fashion.

When purchasing, pay attention to whether the exterior parts are well matched, and there are no obvious defects such as bubbles, burrs and shrunk. Electroforming net cover (also called static knife and fixed knife) is the key part of electric shaver, and there should be no crack and deformation. The sharpness of the blade is the most important. It is related to the service life of the razor. It is best to try it, whether it is safe to shave, and do not buy a razor with a spur of hair. According to the different power supply way to connect the power supply, make the electric shaver run, listen to its running dynamic, low noise, sound harmony and smooth is the qualified electric razor. Turn the electric shaver switch repeatedly to see if its contact is good. If there is an external power plug, we must check whether its contact is reliable.