In recent years, with the enthusiasm of countries to develop electric vehicles, electric vehicle charging piles have emerged. Similar to the function of a traditional gas station, the charging pile solves the charging life of the electric vehicle. As an important current and power monitoring component, the charging pile current sensor plays an important role in monitoring the charging process and ensuring the safety of charging.
Recently, taxis in Taiyuan City entered a period of centralized retirement and renewal. As large-scale pure electric taxis will enter the streets of the city, the construction of charging piles will be in full swing. It is understood that by the end of April 2016, Taiyuan City is expected to build a total of about 2,000 charging piles.
Simply put, charging the charging station is the process of converting the alternating current into a standard form of direct current or alternating current, which is then delivered to the vehicle battery. Among them, only the current in each level of the conversion system is normal, in order to ensure the safety of the charging process.
The built-in current sensor of the charging pile can accurately measure the current of key system links, timely discover and report abnormal conditions such as leakage, and avoid safety accidents. In addition, another important function of the current sensor is that it can be used to accurately measure the amount of vehicle charge for user reference and charge charge calculation.
In general, the current sensor used on the charging post needs to have the advantages of strong anti-overshoot capability, fast response speed, low energy consumption, and linear output. At present, with the implementation of a large number of charging pile construction projects in domestic cities, it is believed that Honeywell's various current sensors will make great efforts in charging pile equipment.
The open-loop, closed-loop current sensor developed by Honeywell uses a through-hole design based on magnetoresistance or Hall effect to measure current with zero-point balance or zero-flux method, while its superior characteristics are also sufficient. Meet the above requirements of the charging post for the current sensor.
In addition to the current sensor, a tilt sensor is also installed in some demanding charging pile equipment. At this time, the function of the inclination sensor is that when the charging pile is struck by a vehicle or the like by an external force exceeding a certain angle, if the inclination is more than 15 degrees, the inclination sensor attached to the charging pile will timely monitor the angle tilt and start with it. Automatic power-off action to avoid unnecessary security holes.
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