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2017 - 06 - 01
Recently, in order to effectively curb the car battery fire area residential multiple trend, specification of motor vehicles, the car battery fire safety management, Shanghai Jingan District fire office Joint District Emergency Office, comprehensive management office, the safety committee and the District Housing Authority, in-depth analysis of judgments of residential area car battery fire characteristics and management difficulties, combined with the "beautiful home" construction work, formulated the "residential non motor vehicle parking car battery fire safety technical guid...
2017 - 06 - 01
To learn lessons from the accident of electric bicycle fire, fire prevention work to strengthen the electric bicycle, according to "Henan province public security fire protection regulations" and the Department of Henan Province, Henan Province Department of housing and urban rural construction "on the strengthening of residential electric bicycle (shed) and construction work notice" the canal spirit, in June 4, 2014, the Zhengzhou Municipal Public Security Bureau Urban and Rural Planning Bureau, urban and Rural Construction Committee, housing security and the real estate m...
2017 - 06 - 01
Electric cars are now the most indispensable means of transportation in life. Basically, every family has one. So, do you know how to recharge it properly? Many people are not clear, the electric car battery should be no electricity, then recharge or a little electricity on the charge?. More and more people are riding electric cars on the street now, but there is very little to know about the correct way to charge batteries for electric vehicles. Today, how to charge the electric vehicle battery, for everyone to say:1, to maintain the power full state of the battery, electric bicycle riding ev...
2017 - 06 - 01
Electric car charger principle, the charger control chip is generally based on the TL494 as the core, to promote the 2 13007 high voltage triode. In combination with LM324 (4 operational amplifier), the three stage charging is realized. 220V AC rectifier through D1-D4, C5 filter to get about 300V direct current. This voltage charges the C4 and initiates the current through the TF1 high voltage winding, the TF2 main winding, and the V2. The TF2 feedback winding generates an induced voltage that turns the V1 and V2 in turn. Therefore, the low-voltage power supply winding in TF1 generates voltage...
2017 - 06 - 01
[Abstract] the establishment of the new "six articles" of the national standard for electric bicycles has made it possible to accelerate the introduction of the new national standard, so as to protect the broad masses of consumers, that is, more common people, public interests (Lu Quan), or beneficial.The new six items of national standard for electric bicycles should be improved (1)[China electric vehicle network commentator and guest writer Song Zikui] we only have the spirit of "scientific rigor and is conducive to the promotion of industry (industry) technology progress"...
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