Multi-battery power supply, charging and discharging method and electronic equipment
A technology of electronic equipment and power circuit, applied in the field of power supply, can solve the problems of battery capacity loss, waste of battery capacity resources, etc.
Active Publication Date: 2022-08-05
HONOR DEVICE CO LTD
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Problems solved by technology
In the prior art, when batteries with different capacities are charged at the same time, the battery capacity will be lost and precious battery capacity resources will be wasted.
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[0062] In the description of the embodiments of the present application, the terms used in the following embodiments are only for the purpose of describing specific embodiments, and are not intended to be used as limitations of the present application. As used in the specification of this application and the appended claims, the singular expressions "a," "the," "above," "the," and "the" are intended to also include, for example, "a" or more" this expression unless the context clearly dictates otherwise. It should also be understood that, in the following embodiments of the present application, "at least one" and "one or more" refer to one or more than two (including two). The term "and / or", used to describe the association relationship of related objects, indicates that there can be three kinds of relationships; for example, A and / or B, can indicate: A alone exists, A and B exist at the same time, and B exists alone, A and B can be singular or plural. The character " / " gener...
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The invention discloses a multi-battery power supply, a charging and discharging method and electronic equipment. When the two batteries are charged, the two batteries are connected in series, so that the two batteries with different capacities are fully charged at the same time; when the two batteries supply power to the outside, the two batteries are connected in parallel, and efficiency loss caused by power conversion is avoided. The power supply circuit comprises a first circuit, a second circuit, a first switch, a second switch, a first battery and a second battery. When the first switch is switched off, the first controlled end and the second controlled end of the second switch are switched on, the first controlled end and the third controlled end of the second switch are switched off, and the first circuit is switched on, the first circuit and the second circuit are used for supplying power to the two batteries; when the first switch is switched on, the first controlled end and the second controlled end of the second switch are switched off, the first controlled end and the third controlled end of the second switch are switched on, and the first circuit is switched off, the two batteries supply power to the outside through the second circuit.
Description
technical field [0001] The present application relates to the field of power supply technology, and in particular, to a multi-battery power supply, a charging and discharging method, and an electronic device. Background technique [0002] Due to the limitation of the frame of the electronic device and other reasons, the capacities of multiple batteries in a small electronic device such as a mobile phone are generally different. In addition, the space for batteries in smaller electronic devices is limited, the volume of the batteries is limited, and the battery capacity is also limited. Therefore, battery capacity resources are very valuable. In the prior art, when batteries with different capacities are charged at the same time, the capacity of the batteries is lost and precious battery capacity resources are wasted. How to charge multiple batteries of different capacities and reduce the loss of battery capacity is a problem that needs to be solved. SUMMARY OF THE INVENT...
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IPC IPC(8): H02J7/00H01M10/44
CPCH02J7/0024H02J7/0019H02J7/0048H02J7/0049H02J7/00714H02J7/007182H02J7/00047H01M10/441H02J2207/20Y02E60/10H02J7/0047H01M2010/4278H02J7/342H02J7/0063H02J7/00032H01M10/425H01M10/48G01R31/3644G01R31/396
Inventor 曹雷朱辰邱钰鹏
Owner HONOR DEVICE CO LTD