Method and device for charging batteries
A battery charging and battery technology, applied in battery/battery traction, electrical devices, electric vehicle charging technology, etc., can solve problems such as electric vehicle charging
Active Publication Date: 2017-03-22
清华大学苏州汽车研究院(吴江)
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[0003] The purpose of the embodiment of the present invention is to propose a method and device for charging a battery, aiming to solve the problem of how to charge an electric vehicle in a timely manner
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[0104] The embodiments of the present invention will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present invention, rather than to limit the embodiments of the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the embodiments of the present invention.
[0105] refer to figure 1 , figure 1 It is a schematic flowchart of a method for charging a battery provided by an embodiment of the present invention.
[0106] Such as figure 1 As shown, the method for charging the battery includes:
[0107] Step 101, collecting the discharge current of the battery and the voltage signals of at least two power supply batteries;
[0108] Step 102, judge the working state of the car according to the discharge current and the at least...
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The embodiment of the invention discloses a method and device for charging batteries. The method comprises the steps that discharging currents of the batteries and voltage signals of the at least two power supplying batteries are collected; a working condition of an automobile is judged according to the discharging currents and at least two voltage signals; power supplying of the at least two power supplying batteries and starting / stopping of a range extender are controlled according to the different working conditions; the working conditions comprise the accelerating working condition, the accelerated working condition and the non-accelerating working condition; whether the range extender is started correctly according to a starting instruction is examined and the power supplying batteries are charged; and when an uncontrolled malfunction or a charging warning signal of the range extender is received, a malfunction warning light is lighted timely to inform a driver. Thus, the problem of the driving range caused by the battery technology is solved. A range extending electric automobile can charge the batteries on the premise of non-parking, the driving range of the electric automobile is extended greatly, in addition, cost is low, and the range extending electric automobile becomes the pursuit focus of all major automobile manufacturers and research institutions gradually.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of pure electric vehicles, in particular to a method and device for charging a battery. Background technique [0002] With the depletion of petroleum resources and the continuous improvement of people's environmental requirements, electric vehicles are gradually becoming the development direction of the world's automobile market. However, limited by the problems of pure electric vehicles being unable to run due to lack of electricity and troublesome charging, the driving range is limited, which largely limits the development of electric vehicles. Contents of the invention [0003] The purpose of the embodiments of the present invention is to provide a method and device for charging a battery, aiming at solving the problem of how to charge an electric vehicle in a timely manner. [0004] To achieve this purpose, the embodiments of the present invention adopt the following technical so...
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IPC IPC(8): B60L11/18B60L11/12B60L3/00B60L50/15
CPCB60L3/0046B60L50/61B60L53/00Y02T10/62Y02T10/7072Y02T10/70Y02T90/14
Inventor 金达锋祁文静王欢欢
Owner 清华大学苏州汽车研究院(吴江)