Battery switching method and device and switching system and method of power supply circuit
A power supply circuit and battery switching technology, applied in the field of circuits, can solve problems such as the inability to seamlessly switch multiple sets of batteries
Pending Publication Date: 2018-11-02
BEIJING LINGYUN TECH
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Problems solved by technology
[0006] Embodiments of the present invention provide a battery switching method and device, and a power supply circuit switching system and method, to at least solve the technical problem of being unable to seamlessly switch multiple sets of batteries to supply power to loads
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[0031] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0032] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...
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The invention discloses a battery switching method and device and a switching system and method of a power supply circuit. The method comprises the steps of charging a load by employing a first battery in a first power supply circuit, wherein the first power supply circuit is arbitrary one of at least two power supply circuits, and the voltage of the first battery is larger than a preset voltage;detecting the voltage of the first battery during the process of supplying power to the load by the first battery; continuously employing the first battery to charge the load when the detected voltageof the first battery is larger than the preset voltage; and controlling a second battery in the second power supply circuit to supply power to the load and then controlling the first battery to stopsupplying power to the load when the detected voltage of the first battery is smaller than or equal to the preset voltage, wherein the second power supply circuit is arbitrary one of the at least twopower supply circuits different from the first power supply circuit, and the voltage of the second battery is larger than the preset voltage. By the method, the technical problem that power cannot besupplied to the load by seamless switching of multiple groups of batteries is solved.
Description
technical field [0001] The present invention relates to the field of circuits, in particular, to a battery switching method and device, and a power supply circuit switching system and method. Background technique [0002] At present, due to its environmental protection and energy-saving features, electric vehicles have increasingly become a means of transportation strongly advocated by the government, especially in large cities, in order to reduce environmental pollution, the number of electric vehicles has exploded. However, the development of electric vehicles must solve the problem of battery mileage. Generally, electric vehicles use a whole set of batteries. When the battery power of electric vehicles is insufficient, they must rely on finding charging piles to charge. However, domestic charging piles are not very common at present, especially in small and medium-sized cities. The number of charging piles is even rarer. The unpopularity of charging piles and inconvenien...
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IPC IPC(8): H02J7/36B60L11/18
CPCH02J7/36B60L50/64Y02T10/70
Inventor 李振国祝凌云
Owner BEIJING LINGYUN TECH