Mobile terminal and method for controlling on or off of power supply
A technology for mobile terminals and power control, which is applied in current collectors, electric vehicles, electrical components, etc., and can solve problems affecting work, etc.
Pending Publication Date: 2021-06-15
HUIZHOU TCL MOBILE COMM CO LTD
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Problems solved by technology
[0004] The embodiment of the present application provides a mobile terminal and a method for controlling the power on or off, which can avoid the problem that when the display module and the fingerprint module work at the same time, the shutdown of one of the modules directly leads to the shutdown of the first power supply, thereby affecting the operation of the other module. question
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[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the a...
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The embodiment of the invention provides a mobile terminal. The mobile terminal comprises a charging module, a pulse generator, a capacitor, a discharging module, a voltage comparator, a first power supply, a display screen module and a fingerprint module, wherein the pulse generator is electrically connected with the charging module and the capacitor, and the charging module is used for controlling the pulse generator to charge the capacitor; the capacitor is electrically connected with the discharging module, and the discharging module is used for discharging the capacitor; the voltage comparator is electrically connected with the capacitor and the first power supply, and the voltage comparator is used for detecting the voltage of the capacitor; and the first power supply is electrically connected with the display screen module and the fingerprint module, and the first power supply is used for supplying power to the display screen module and / or the fingerprint module. According to the embodiment of the invention, the first power supply is controlled to be turned on or turned off by detecting the voltage of the capacitor, and the problem that when the display screen module and the fingerprint module work at the same time, the first power supply is directly turned off whenone of the modules is turned offcan be avoided.
Description
technical field [0001] The present application relates to the technical field of mobile terminals, in particular to a mobile terminal and a method for controlling power on or off. Background technique [0002] At present, a fingerprint module is generally installed on a mobile terminal to collect a user's fingerprint for corresponding operations such as unlocking and mobile payment. At the same time, in order to save the internal space of the mobile terminal and increase the operability of the mobile terminal, some mobile terminal manufacturers make the fingerprint module and the display module together in one module. At this time, the fingerprint module and the display module share a power supply. When both the fingerprint module and the display module are working, if one of the modules is turned off, it will cause the power to be turned off, which will cause the other module to also turn off. For example, when the display module is turned off, it will cause the power to b...
Claims
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IPC IPC(8): H02J7/00
CPCH02J7/0068H02J7/0063
Inventor 俞斌
Owner HUIZHOU TCL MOBILE COMM CO LTD