CN103928725B - A kind of mobile terminal and charging method thereof and device - Google Patents

Abstract

The invention discloses a mobile terminal and its charging method and device, belonging to the communication field. The method includes: the active terminal searches for a passive terminal, and sends a charging request to the found passive terminal; after receiving the charging request signal, the passive terminal feeds back a request response signal to the active terminal; the active terminal receives the request response signal, and communicates with the passive terminal Charging starts by electromagnetic induction or electromagnetic resonance. The invention enables the mobile terminal to have multiple charging sources when the mobile terminal needs to be charged in a state of low power, and does not need to carry an additional charger.

Description

A mobile terminal and its charging method and device

technical field

The present invention relates to the communication field, in particular to a mobile terminal and a charging method and device thereof.

Background technique

The existing methods of charging smart mobile terminals mainly include: wired charging, wireless charger charging, and mobile charger charging. The disadvantages of these charging methods are that they are inconvenient to carry, and the single power source is limited and not flexible enough.

For wireless charger charging, the patent application number CN201110296071.7 discloses a wireless charging transmitting device, a wireless charging system and a wireless charging control method based on electromagnetic induction coupling. Using the principle of coil mutual inductance, when the wireless charging receiving device and the transmitting device The distance is small enough, and the sending device charges the wireless charging receiving device. This patent provides feasibility for the realization of wireless charging on hardware.

At present, there are wireless chargers on sale. Whether it is a wired charger or a wireless charger, the charger has never been removed. When people are on a business trip and forget to carry the charger and want to charge their mobile phones, they are helpless.

For people's increasing needs and experience, it is not enough to realize wireless charging with a single wireless charging sending device. It is urgent to expand the source of wireless charging sending devices through certain means.

Contents of the invention

The technical problem to be solved by the present invention is to provide a charging method and a charging device for a mobile terminal to overcome the above defects.

The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a charging method for a mobile terminal, which is applied to an active terminal and a passive terminal, and the method includes the following steps: the active terminal searches for a passive terminal, and sends a charging request to the found passive terminal; After receiving the charging request signal, the passive terminal feeds back a request response signal to the active terminal; the active terminal receives the request response signal, and starts charging with the passive terminal through electromagnetic induction or electromagnetic resonance.

Another embodiment of the present invention provides a charging method for a mobile terminal, which is applied to an active terminal and a passive terminal. The method includes: the active terminal and/or the passive terminal have preset conditions for stopping charging, When at least one of them reaches the condition for stopping charging, stop charging; the condition for stopping charging includes the maximum value of power loss preset in the passive terminal, and also includes the preset upper limit and/or lower limit of power in the active terminal; The terminal receiving the request response signal also includes analyzing the request response signal. When the active terminal selects a passive terminal whose analysis result is acceptable and contacts the selected passive terminal, it starts charging with the passive terminal through electromagnetic induction or electromagnetic resonance.

Another embodiment of the present invention provides a method for charging a mobile terminal, which is applied to an active terminal. The method includes: the active terminal searches for a passive terminal, and sends a charging request to the found passive terminal; the active terminal receives a request fed back by the passive terminal Respond to the signal and start charging through electromagnetic induction or electromagnetic resonance with the passive terminal.

Another embodiment of the present invention provides a charging method for a mobile terminal, which is applied to a passive terminal. The method includes: after receiving a charging request signal, the passive terminal feeds back a request response signal to the active terminal; way to start charging.

Another embodiment of the present invention provides a charging device, which includes: a charging request module, configured to search for a passive terminal, and send a charging request to the found passive terminal; a feedback request module, configured to receive a charging request when the passive terminal receives the charging request After the signal, feed back the request response signal to the active terminal; the charging module is used for the active terminal to receive the request response signal, and start charging with the passive terminal through electromagnetic induction or electromagnetic resonance.

Another embodiment of the present invention provides a mobile terminal, which includes the above charging device.

According to a charging method and charging device for a mobile terminal according to an embodiment of the present invention, when an active terminal needs to be charged, a group charging request signal is sent to all passive terminals within the spatial range where the active terminal can receive signals, and when at least one passive terminal agrees When the request is made, the active terminal contacts the passive terminal for charging, thereby expanding the charging source.

Description of drawings

Fig. 1 is a flowchart according to one embodiment of the present invention;

Fig. 2 is a flowchart according to another embodiment of the present invention;

FIG. 3 is a block diagram showing an exemplary structure according to an embodiment of the present invention.

detailed description

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

Fig. 1 has described the flow chart of a kind of charging method of mobile terminal according to one embodiment of the present invention, will describe a kind of charging method of mobile terminal according to one embodiment of the present invention below with reference to Fig. 1, this charging method can be applied For active terminals that need to be charged and passive terminals for power supply.

As shown in FIG. 1 , in step S101 , the active terminal searches for passive terminals, and sends charging requests to all the found passive terminals. The charging request can be sent wirelessly via bluetooth or infrared wirelessly. The active terminal searches for the passive terminal means that the active terminal searches for the passive terminal within the spatial range where it can receive signals.

As another embodiment of the present invention, for step S101, when the active terminal detects shaking information of the active terminal, the active terminal searches for the passive terminal. That is, when the user of the active terminal shakes the active terminal, the operation of the active terminal searching for the passive terminal is triggered, and the shaking action may be shaking or shaking.

As another embodiment of the present invention, the passive terminal can also preset whether it can be searched by the active terminal as the permission of the power supply object. When the permission is set to No, the active terminal cannot search for the corresponding passive terminal. As another embodiment of the present invention, the passive terminal can also set whether its power information is public. When the setting is public, the active terminal can obtain the corresponding passive power information when searching for the passive terminal.

In step S102, after receiving the charging request signal, the passive terminal feeds back a request response signal to the active terminal. The response signal includes an operation result signal to allow or disallow the charging request sent by the active terminal, and the operation result signal can be manually selected or preset in the passive terminal.

In step S103, the active terminal receives the request response signal, and starts charging with the passive terminal through electromagnetic induction or electromagnetic resonance.

As another embodiment of the present invention, for step S103, receiving the request response signal by the active terminal further includes parsing the request response signal. Charging starts through electromagnetic induction or electromagnetic resonance. Contact is the shortest distance between active terminals and passive terminals. Contact charging can reduce power loss during charging. As another embodiment of the present invention, the contact charging between the active terminal and the passive terminal may be in a back-to-back manner, or the contact charging between the end of the active terminal and the end of the passive terminal may be used.

As a usage scenario of the present invention, for example: during a journey, someone’s mobile terminal A (active terminal) is almost out of power. At this time, he can search for other passive terminals that can supply him with charging, such as searching for other people’s mobile terminals. B (passive terminal) still has 90% power, and then mobile terminal A (active terminal) and mobile terminal B (passive terminal) are put together back to back, and mobile terminal B (passive terminal) can charge part of the 90% power it has. To the mobile terminal A (active terminal), the mobile terminal A (active terminal) obtains a part of the power of the mobile terminal B (passive terminal) to meet the needs.

The embodiment of the present invention may further include step S104. In step S104, when the active terminal or the passive terminal chooses to stop charging or the charging fails, the charging is stopped. As an embodiment of the present invention, charging is automatically stopped when the active terminal is separated from the passive terminal or when the charging end button on the interface of the mobile terminal is touched.

Fig. 2 depicts a flowchart according to another embodiment of the present invention. Next, a charging method for a mobile terminal according to another embodiment of the present invention will be described with reference to FIG. 2 , and the charging method can be applied to active terminals and passive terminals.

As shown in FIG. 2 , in step S201 , a condition for stopping charging is preset in the active terminal and/or the passive terminal.

In step S202, it is determined that at least one of the active terminal and the passive terminal meets a condition for stopping charging.

In step S203, the charging is stopped.

As an embodiment of the present invention, for steps S201, S201, and S203, the condition for stopping charging includes the maximum value of power loss preset in the passive terminal, then the passive terminal stops charging, including: when the passive terminal detects that the passive terminal is When the power value lost during charging exceeds the maximum value, the passive terminal will automatically stop charging.

As another embodiment of the present invention, for steps S201 , S201 and S203 , the condition for stopping charging also includes a preset power limit in the active terminal. Stopping the charging of the active terminal includes: when the active terminal detects that the current power of the active terminal is higher than the upper limit of the power, the active terminal automatically stops charging.

As another embodiment of the present invention, for steps S201, S201 and S203, the condition for stopping charging also includes a preset lower limit of power in the active terminal. When the active terminal detects that the current power value of the active terminal is lower than the lower limit of the power, the active terminal sends a charging reminder to search for the passive terminal. The charging reminder can remind the user of the active terminal by voice or on the screen display of the active terminal. Time to send the charge request signal.

As another embodiment of the present invention, when the active terminal and the passive terminal have been charged at least once, the passive terminal is known to the active terminal, and when the active terminal needs to be charged again, it can directly contact the passive terminal for charging , no need to request permission from the passive terminal.

As a usage scenario of the present invention, for example: when picking up a mobile terminal to make a call, it is found that the power is less than 5% (the lower limit of power), and a call cannot be completed. At this time, another known passive terminal can be directly connected Make back-to-back charging requests. After confirmation, start charging with the passive terminal through electromagnetic induction or electromagnetic resonance. Observe that the charging reaches a certain amount such as 10%, and the charging can be ended when it can support a call.

As another embodiment of the present invention, for steps S201, S201 and S203, the condition for stopping charging further includes a time limit. Both the active terminal and the passive terminal can preset the time upper limit. When at least one of the active terminal and the passive terminal detects that the charging time exceeds its preset time upper limit, it detects that the charging time exceeds the preset time upper limit. Active terminals and/or passive terminals stop charging automatically.

As another embodiment of the present invention, when the passive terminal accepts the charging request, it can set a black and white list for the active terminal that sends the request signal.

Another embodiment of the present invention provides a method for charging a mobile terminal, which is applied to an active terminal. The method includes: the active terminal searches for a passive terminal, and sends a charging request to the found passive terminal; the active terminal receives a request fed back by the passive terminal Respond to the signal and start charging with the passive terminal through electromagnetic induction or electromagnetic resonance; when the active terminal chooses to stop charging or the charging fails, stop charging.

Another embodiment of the present invention provides a charging method for a mobile terminal, which is applied to a passive terminal. The method includes: after receiving a charging request signal, the passive terminal feeds back a request response signal to the active terminal; When the passive terminal chooses to stop charging or the charging fails, stop charging.

Fig. 3 is a block diagram showing an exemplary structure according to an embodiment of the present invention. As shown in Fig. 3, another embodiment of the present invention provides a charging device, which includes: a charging request module for searching for passive terminals , and send a charging request to the searched passive terminal (the searched passive terminal can be one or more than one, if more than one passive terminal is found, the charging request is sent to all the searched passive terminals); the feedback request module , used to feed back a request response signal to the active terminal after the passive terminal receives the charging request signal; the charging module is used for the active terminal to receive the request response signal and start charging with the passive terminal through electromagnetic induction or electromagnetic resonance. As an embodiment of the present invention, a charging stop module may also be included, which is used to stop charging when the active terminal or the passive terminal chooses to stop charging or the charging fails.

Another embodiment of the present invention provides a mobile terminal, which includes the above charging device.

The charging method of the present invention satisfies charging between the active terminal and the passive terminal through the electromagnetic induction device in the mobile terminal (including the active terminal and the passive terminal) and a charging method and charging device for the mobile terminal provided by the present invention. A mobile terminal with a lot of power can provide power to a mobile terminal with a low power, which solves the problem of a single and limited power source, so that each mobile terminal can be used as an active terminal to become a power charger, or as a passive terminal to become a power supplier. Moreover, the battery components of the mobile terminal equipment can be interacted with through sensors and software systems, and can be further socialized during the interaction process.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (9)

1. A charging method for a mobile terminal, applied to an active terminal and a passive terminal, characterized in that the method comprises the following steps: The active terminal searches for the passive terminal, obtains power information of the passive terminal, and sends a charging request to all the passive terminals found; After receiving the charging request signal, all the passive terminals feed back a request response signal to the active terminal, and the request response signal includes a charging operation permission signal and a charging operation disallowing signal; The active terminal receives the request response signal, and starts charging the passive terminal corresponding to the charging operation signal through electromagnetic induction or electromagnetic resonance; Wherein, the active terminal is preset with a power upper limit, and when the active terminal detects that the current power of the active terminal is higher than the upper limit, the active terminal automatically stops charging. 2. The method according to claim 1, further comprising: the active terminal and/or the passive terminal preset a condition for stopping charging, when the active terminal and the passive terminal Stop charging when at least one of the terminals meets the condition for stopping charging. 3. The method according to claim 2, wherein the passive terminal is preset with a maximum power loss value, and the passive terminal stops charging, including: When the passive terminal detects that the power value lost by the passive terminal during the charging process exceeds the maximum value, the passive terminal automatically stops charging. 4. The method according to any one of claims 1 to 3, wherein the active terminal is preset with a lower limit value of power, when the active terminal detects that the current power value of the active terminal is lower than the lower limit of the power limit, the active terminal sends a charging reminder to search for the passive terminal. 5. The method according to any one of claims 1 to 3, wherein the active terminal sends the charging request to more than one searched passive terminals, and the active terminal also receives the request response signal Including analyzing the request response signal, when the active terminal selects a passive terminal whose analysis result is accepted and contacts the selected passive terminal, it starts charging with the passive terminal through electromagnetic induction or electromagnetic resonance. 6. A charging method for a mobile terminal, applied to an active terminal, characterized in that the method comprises: The active terminal searches for the passive terminal, obtains power information of the passive terminal, and sends a charging request to all the passive terminals found; The active terminal receives the request response signal fed back by the passive terminal, and starts charging the passive terminal corresponding to the charging operation signal through electromagnetic induction or electromagnetic resonance; Wherein, the active terminal is preset with a power upper limit, and when the active terminal detects that the current power of the active terminal is higher than the upper limit, the active terminal automatically stops charging. 7. A charging method for a mobile terminal, applied to a passive terminal, characterized in that the method comprises: After receiving the charging request signal, all the passive terminals feed back a request response signal to the active terminal, and the request response signal includes a charging operation permission signal and a charging operation disallowing signal; Start charging with the active terminal; receiving an instruction to stop charging sent by the active terminal when its power reaches a preset upper limit of power, and stopping charging the active terminal. 8. A charging device, characterized in that the device comprises: The charging request module is configured to search for the passive terminal when the active terminal detects that the current power value of the active terminal is lower than the lower limit value of the power, and obtain the power information of the passive terminal, and send the searched All passive terminals send charging requests; A feedback request module, configured to feed back a request response signal to the active terminal after all the passive terminals receive the charging request signal, and the request response signal includes a charging operation permission signal and a charging operation disallowing signal; The charging module is used for the active terminal to receive the request response signal, and start charging the passive terminal corresponding to the charging operation signal through electromagnetic induction or electromagnetic resonance, wherein the active terminal is preset with an electric quantity upper limit, when the active terminal detects that the current power of the active terminal is higher than the upper limit of the power, the active terminal automatically stops charging. 9. A mobile terminal, characterized in that the mobile terminal comprises the charging device according to claim 8.