WO2016145845A1

WO2016145845A1 - Terminal charging method and device

Info

Publication number: WO2016145845A1
Application number: PCT/CN2015/092221
Authority: WO
Inventors: 崔其晖
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-08-21
Filing date: 2015-10-19
Publication date: 2016-09-22
Also published as: CN106469936A

Abstract

A terminal charging method and device. The method comprises: when a terminal is in a moving state, cutting a magnetic field by using a conductor coil on the terminal to generate an induced current, wherein the conductor coil is in a static state relative to the terminal (S102); and charging the terminal via an input voltage obtained by converting the induced current (S104). The method addresses the problem in which a durability of the terminal cannot be effectively improved, and improves user experience.

Description

Terminal charging method and device

Technical field

The present invention relates to the field of communications, and in particular to a method and an apparatus for charging a terminal.

Background technique

With the increasing popularity of smart terminals (such as mobile phones), smart terminal hardware configurations are getting higher and higher and have rich functions. Based on this, smart terminal devices have these remarkable features: large screen size, high screen resolution; higher and higher camera pixels, and increased number of cameras; more processor cores and higher frequency configuration; The graphics processing unit (GPU) rendering and smooth game requirements are also getting higher and higher, and so on. Therefore, the power consumption of the intelligent terminal is very large, resulting in poor endurance; and the user experience is very poor, which seriously affects the normal basic function of the user in a specific scenario, which has become a pain point for the user, as a smart terminal manufacturer. Need to invest in manpower planning and solving the problem of endurance, and enhance the competitiveness of products.

In the related technology, the basic ideas for improving the endurance ability are inseparable from two major directions, namely, open source and throttling. The so-called open source is through direct means such as increasing battery capacity, energy conversion and reuse; and throttling is an indirect means of rationally using battery power, cooling, cooling, frequency reduction, and energy consumption through software intelligence control.

In the related art, the main ways to improve the endurance capability are software mode and hardware mode; the software mode mainly adjusts the CPU, the frequency of the GPU, or reduces the screen display brightness by detecting the power consumption of the terminal (by detecting the background program, heating, etc.) It may even force some functions to be turned off to achieve the purpose of improving endurance. This way is to sacrifice the quality of user experience to achieve its purpose, it can only be regarded as a stopgap measure; hardware, because most mobile phones are now fully enclosed, the battery is not removable, the traditional method of carrying a spare battery can not It works. The charging treasure and other methods are cumbersome and inconvenient to carry, and the number of charging times is limited. Other spaces that increase battery capacity are also limited.

In view of the related art, the terminal cannot effectively improve the endurance capability, and no effective solution has been proposed yet.

Summary of the invention

The invention provides a charging method and device for a terminal, so as to at least solve the problem that the terminal cannot effectively improve the endurance capability in the related art.

According to an embodiment of the present invention, a charging method of a terminal is provided, comprising: generating an induced current through a conductive coil of a conductor coil on a terminal when the terminal is in a moving state, wherein the conductor coil is in a stationary state with respect to the terminal; The terminal is charged by the input voltage obtained by the induced current conversion.

In the embodiment of the present invention, charging the terminal by using the input voltage obtained by the induced current conversion comprises: converting the induced current into a first input voltage; boosting the voltage value of the first input voltage to a preset input voltage value to obtain an input. Voltage; the terminal is charged with the input voltage.

In the embodiment of the present invention, after the voltage value of the first input voltage is boosted to a preset input voltage value to obtain an input voltage, the method further includes: performing filtering processing on the input voltage.

In the embodiment of the present invention, before charging the terminal by using the input voltage obtained by the induced current conversion, the method further includes: receiving a charging instruction, wherein the charging instruction is used to indicate that the terminal is charged by the input voltage converted by the induced current.

In an embodiment of the invention, the conductor coil is disposed on an inner surface or a rear surface of the terminal back cover.

According to another embodiment of the present invention, a charging apparatus for a terminal includes: a conductor coil, a charge pump circuit, a charging circuit, and a conductor coil configured to generate an induced current when the terminal is in a moving state, and to cut the ground magnetic field, and Transducing the induced current to the charge pump circuit; wherein the conductor coil is at a standstill relative to the terminal; the charge pump circuit is configured to receive the induced current sent by the conductor coil, convert the induced current into an input voltage, and transmit the input voltage to the charging circuit a charging circuit configured to receive an input voltage and to charge the terminal with the input voltage.

In the embodiment of the present invention, the device further includes: a boosting circuit; wherein the boosting circuit is connected to the charge pump circuit and configured to boost the voltage value of the input voltage converted by the charge pump circuit to a preset input voltage value, The voltage corresponding to the preset input voltage value is used as an input voltage, and the input voltage is transmitted to the charging circuit.

In the embodiment of the present invention, the device further includes: a voltage stabilizing circuit; wherein the voltage stabilizing circuit is connected to the charge pump circuit, configured to filter the input voltage converted by the charge pump circuit, and transmit the filtered input voltage To the charging circuit.

In the embodiment of the present invention, the device further includes: a power management chip; and a power management chip connected to the charging circuit, configured to send a charging instruction to the charging circuit, wherein the charging instruction is used to instruct the charging circuit to charge the terminal by using the input voltage.

In an embodiment of the invention, the conductor coil is disposed on an inner or rear surface of the back cover of the terminal.

In an embodiment of the invention, the conductor coil is covered with an insulator.

Through the invention, using Faraday's law of electromagnetic induction, the terminal is charged by the induced current generated by cutting the ground magnetic field through the conductor coil in the terminal, that is, the electric energy is obtained by cutting the ground magnetic field by the conductor coil, and the terminal is charged by the electric energy, thereby solving the problem that the terminal cannot The problem of effectively improving the endurance ability improves the user experience.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flow chart 1 of charging of a terminal according to an embodiment of the present invention;

2 is a second flowchart of charging of a terminal according to an embodiment of the present invention;

3 is a third flowchart of charging of a terminal according to an embodiment of the present invention;

4 is a flow chart 4 of charging of a terminal according to an embodiment of the present invention;

FIG. 5 is a structural block diagram 1 of a charging apparatus of a terminal according to an embodiment of the present invention; FIG.

6 is a structural block diagram 2 of a charging apparatus of a terminal according to an embodiment of the present invention;

7 is a structural block diagram 3 of a charging apparatus of a terminal according to an embodiment of the present invention;

FIG. 8 is a structural block diagram 4 of a charging apparatus of a terminal according to an embodiment of the present invention; FIG.

9 is a schematic diagram of a back cover of a terminal according to an alternative embodiment of the present invention;

10 is a schematic diagram of a charging process in accordance with an alternative embodiment of the present invention;

11 is a circuit block diagram of a voltage stabilizing circuit in accordance with an alternative embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

In this embodiment, a charging method of a terminal is provided. FIG. 1 is a flowchart 1 of charging a terminal according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:

Step S102, when the terminal is in a moving state, an induced current is generated by cutting a ground magnetic field by a conductor coil on the terminal, wherein the conductor coil is in a stationary state with respect to the terminal;

In step S104, the terminal is charged by the input voltage obtained by the induced current conversion.

Through the above steps, using Faraday's law of electromagnetic induction, the terminal is charged by the induced current generated by the magnetic field of the conductor coil in the terminal, that is, the electric field is cut by the conductor coil to obtain electric energy, and the terminal is charged by the electric energy, thereby solving the problem that the terminal cannot The problem of effectively improving the endurance ability improves the user experience.

It should be noted that the above-mentioned conductor coil may be in a stationary state with respect to the terminal, and a component on the terminal such as a terminal screen is used as a reference, and the conductor coil is stationary with respect to the reference object, but in fact, the conductor coil is When the terminal is in the moving state, its conductor coil moves with the terminal, and the movement switches the magnetic field to generate an induced current.

In the embodiment of the present invention, the conductor coil may be a metal-made coil. In an optional embodiment, the metal may be a high-conductivity metal such as copper, nickel or aluminum; the conductor coil may be planar. In order to cater for the ultra-thin and ultra-light trend of the terminal; the two ends of the conductor coil may be metal wires or metal shrapnel, which can be in good contact with the mobile terminal board contacts or the pad-like nodes; the surface of the conductor coil can be covered by one Layer insulator for aesthetic and protective effects.

In the embodiment of the present invention, FIG. 2 is a flowchart 2 of charging a terminal according to an embodiment of the present invention. As shown in FIG. 2, step S104 may include:

Step S1042, converting the induced current into a first input voltage;

Step S1044, boosting the voltage value of the first input voltage to a preset input voltage value to obtain an input voltage;

In step S1046, the terminal is charged by the input voltage.

By converting the induced current into a voltage, the voltage is boosted to obtain an input voltage suitable for charging the terminal. It should be noted that converting the induced current into the first input voltage may be converted by a charge pump circuit on the terminal. In an optional embodiment, the charge pump circuit may be a capacitor circuit, but is not limited thereto.

FIG. 3 is a third flowchart of the charging of the terminal according to the embodiment of the present invention. As shown in FIG. 3, after the step S1044, the method further includes:

In step S1045, the input voltage is filtered.

After the filtering process, the input voltage is regulated within a predetermined range. In an alternative embodiment, the predetermined range may be a voltage value suitable for terminal charging, such as: (4.5V, 5.5V).

4 is a flowchart 4 of charging of a terminal according to an embodiment of the present invention. As shown in FIG. 4, before step S104, the method further includes:

Step 402: Receive a charging instruction, where the charging instruction is used to indicate that the terminal is charged by the input voltage converted by the induced current.

Receiving a charging command to instruct the terminal to charge by using the input voltage converted by the induced current. If the charging command is not received, the terminal can charge the battery by other means; it should be noted that the charging instruction may be The power management chip sent by the power management chip in the terminal can detect the power of the power of the terminal. When the power is lower than a preset threshold, the charging command is issued, and other methods such as power management can also be performed. The chip can detect the difference between the time when the power of the terminal is fully loaded and the time of the current time. When the difference between the time when the power is fully loaded and the time of the current time exceeds the predetermined threshold, the charging command can be issued, but is not limited thereto.

In an embodiment of the invention, the conductor coil may be disposed on an inner surface or a rear surface of the rear cover of the terminal.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.

In the embodiment, a charging device for the terminal is provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and details have been omitted for description. As used below, the term "module" can implement software for a predetermined function. And/or a combination of hardware. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 5 is a block diagram showing the structure of a charging apparatus for a terminal according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes: a conductor coil 52, a charge pump circuit 54, and a charging circuit 56;

The conductor coil 52 is arranged to generate an induced current when the terminal is in a moving state, and to transmit an induced current to the charge pump circuit 54; wherein the conductor coil 52 is at a stationary state with respect to the terminal;

The charge pump circuit 54, is connected to the above-mentioned conductor coil 52, is arranged to receive the induced current sent by the conductor coil 52, convert the induced current into an input voltage, and transfer the input voltage to the charging circuit 56;

The charging circuit 56 is coupled to the charge pump circuit 54 and is configured to receive an input voltage and to charge the terminal with the input voltage.

It should be noted that the above-mentioned conductor coil 52 may be in a stationary state with respect to the terminal, and a component on the terminal such as a terminal screen as a reference object, the conductor coil 52 is stationary with respect to the reference object, but, in fact, the conductor When the coil is in the moving state, the conductor coil 52 moves with the terminal, and the movement switches the magnetic field to generate an induced current.

In the embodiment of the present invention, the conductor coil 52 may be a metal-made coil. In an alternative embodiment, the metal may be a high-conductivity metal such as copper, nickel or aluminum; the conductor coil 52 may be made into a flat surface. In order to meet the trend of ultra-thin and ultra-light terminals; the two ends of the conductor coil 52 may be metal wires or metal domes, which can be in good contact with the mobile terminal board contacts or the pad-like nodes; the conductor coil 52 The surface can be covered with an insulator for aesthetics and protection.

The charge pump circuit 54 converts the induced current into an input voltage by performing an energy storage process on the induced current, and outputting the output voltage after the energy storage. In an alternative embodiment, the charge pump circuit can be a capacitor circuit. , but not limited to this.

Through the above device, using Faraday's law of electromagnetic induction, an induced current is generated by cutting a ground magnetic field through a conductor coil in the terminal, and the induced current is converted into a voltage, and the terminal is charged by the voltage, that is, the magnetic field is cut by the conductor coil to obtain electric energy. The use of the electric energy to charge the terminal solves the problem that the terminal cannot effectively improve the endurance capability and improves the user experience.

6 is a block diagram showing the structure of a charging apparatus for a terminal according to an embodiment of the present invention. As shown in FIG. 6, the apparatus further includes a boosting circuit 62 connected to the charge pump circuit 54 and configured to input the charge pump circuit. The voltage value of the voltage is boosted to a preset input voltage value, and the voltage corresponding to the preset input voltage value is used as an input voltage, and the input voltage is transmitted to the charging circuit. By boosting the voltage, an input voltage suitable for charging the terminal is obtained, and charging is performed by the input voltage suitable for charging by the terminal, so that the charging effect is better, and the life of the battery of the terminal can be increased accordingly.

FIG. 7 is a block diagram 3 of a charging apparatus of a terminal according to an embodiment of the present invention. As shown in FIG. 7, the apparatus further includes: a voltage stabilizing circuit 72 connected to the charge pump circuit 54 and configured to convert the charge pump circuit 54. The input voltage is filtered, The filtered input voltage is transmitted to the charging circuit 56. After the filtering process of the voltage stabilizing circuit 72, the input voltage is regulated within a predetermined range. In an optional embodiment, the predetermined range may be a voltage value suitable for terminal charging, such as: (4.5V, 5.5V) ). It should be noted that the voltage regulator circuit 72 may be connected to the booster circuit 62, that is, after the voltage converted by the charge pump circuit 54 is boosted, the filter voltage regulation process is performed, so that the processed voltage signal can be further improved. Suitable for charging circuit 56.

FIG. 8 is a block diagram showing the structure of a charging apparatus for a terminal according to an embodiment of the present invention. As shown in FIG. 8, the apparatus further includes: a power management chip 82; and is connected to the charging circuit 56, and configured to send a charging instruction to the charging circuit 56. The charging command is used to instruct the charging circuit 56 to charge the terminal using the input voltage.

It should be noted that the power management chip 82 can issue a charging command in various forms, for example, by detecting the power of the power of the terminal, and when the power is lower than a preset threshold, the charging command can be issued, or Other methods, such as the power management chip, can detect the difference between the time when the terminal is fully loaded and the time of the current time. If the difference exceeds the predetermined threshold, the charging command can be issued, but is not limited thereto.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

For a better understanding of the invention, the invention will be further explained in conjunction with the exemplary embodiments.

The embodiment of the invention provides a terminal self-generation method for solving the endurance problem of the terminal device in the actual use process, thereby effectively improving the user experience, and the earth is filled with a dense electromagnetic field, and the earth magnetic field is not evenly distributed. Its vector direction is also changeable. In any geographical location, we can get a geomagnetic component of a vertical ground plane.

In an optional embodiment of the present invention, the charging method of the terminal may include the following steps:

Step 1. Using Faraday's law of electromagnetic induction, an induction current is generated by cutting a magnetic field at a high speed through a special conductor coil (corresponding to the conductor coil in FIG. 1);

Step 2, the induced current is stored by the charge pump circuit to obtain a charging input voltage (corresponding to the first input voltage in FIG. 2);

Step 3, the boosting input voltage is boosted by the boosting circuit to an input voltage suitable for terminal charging (corresponding to the input voltage in FIG. 2);

Step 4: filtering the input voltage through a voltage stabilizing circuit to obtain a filtered voltage signal;

Step 5, the voltage signal is then connected to the charging circuit of the mobile terminal, and managed by the power management chip of the mobile terminal itself.

The embodiment of the invention further provides a self-power generating device of the terminal, the self-generating device comprising a coil (corresponding to The conductor coil in the above embodiment is for generating an induced current when the terminal is in a moving state, wherein the coil is in a stationary state with respect to the terminal.

It should be noted that a metal-made coil is embedded on the inner surface or the rear surface of the back cover of the terminal. The coil can be made flat to meet the trend of ultra-thin and ultra-light terminals; the coil can be a high-conductivity metal such as copper, nickel or aluminum; the two ends of the coil can be metal wires or metal shrapnel. Good contact with the contact of the mobile terminal board or the pad type; the surface of the coil can be covered with an insulator to provide aesthetic and protective effects.

9 is a schematic illustration of a back cover of a terminal in accordance with an alternative embodiment of the present invention. As shown in FIG. 9, the inner or rear surface of the outer casing 902 is inlaid with a metal-made coil. The coil can be made flat to meet the trend of ultra-thin and ultra-light terminal. The coil can be a high conductivity metal such as copper, nickel or aluminum; the coil has metal electrodes 904 and metal electrodes 906 at both ends, and two metal electrodes It can be a metal lead or a metal dome. It can be connected to the mobile terminal board contact or pad structure. The surface of the coil can be covered with an insulator to provide aesthetic and protective effects.

10 is a schematic diagram of a charging process according to an alternative embodiment of the present invention. As shown in FIG. 10, after the metal dome or metal wire of the coil contacts the main board contact or the pad, first passes through a charge pump circuit; the charge pump circuit Set to store the electrical energy converted by mechanical energy, and output a certain voltage; the voltage regulator circuit, after the charge pump is boosted, the voltage regulator circuit is stabilized at 5V after filtering and voltage regulation; access to the mobile terminal for charging Circuit; unified power management chip for charge management.

11 is a circuit block diagram of a voltage stabilizing circuit including a rectifying module and a voltage stabilizing module, as shown in FIG. 11, in accordance with an alternative embodiment of the present invention. It should be noted that, as shown in FIG. 11, the circuit structure of the rectifier module and the voltage regulator module is similar to the circuit structure in the prior art, and details are not described herein again.

Embodiments of the present invention also provide a storage medium. Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S1, when the terminal is in a moving state, an induced current is generated by cutting a ground magnetic field through a conductor coil on the terminal, wherein the conductor coil is in a stationary state with respect to the terminal;

S2, charging the terminal by using an input voltage obtained by inductive current conversion.

Optionally, in this embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory. A variety of media that can store program code, such as a disc or a disc.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

The above embodiments can be applied to the following scenarios: electrical energy is only a form of energy present in nature, such as thermal energy, electromagnetic energy, mechanical energy, and solar energy everywhere. If you can convert these ubiquitous natural energy into electricity, it will be a perfect thing. Among them, electromagnetic energy itself can be used very well. The earth itself is a huge magnet. The earth is filled with dense geomagnetic fields. It is easy to obtain electrical energy by cutting the earth's magnetic field through a conductor. Moreover, most of our journeys are on high-speed trains such as high-speed trains, buses, and airplanes. It is easy to cut the earth's magnetic field. This makes it possible for electromagnetic induction to generate electrical energy.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

According to the above technical solution provided by the embodiment of the present invention, the terminal is charged by the induced current generated by the magnetic field of the conductor coil in the terminal, that is, the electric energy is obtained by cutting the ground magnetic field by the conductor coil, and the terminal is charged by the electric energy to solve the terminal. The problem of endurance cannot be effectively improved, and the user experience is improved.

Claims

A method for charging a terminal, comprising:

When the terminal is in a moving state, an induced current is generated by cutting a ground magnetic field by a conductor coil on the terminal, wherein the conductor coil is in a stationary state with respect to the terminal;

The terminal is charged by the input voltage obtained by the induced current conversion.
The method of claim 1 wherein charging the terminal with an input voltage derived from the induced current conversion comprises:

Converting the induced current into a first input voltage;

And boosting a voltage value of the first input voltage to a preset input voltage value to obtain the input voltage;

The terminal is charged with the input voltage.
The method according to claim 2, wherein after the voltage value of the first input voltage is boosted to a preset input voltage value to obtain the input voltage, the method further comprises: performing the input voltage Filter processing.
The method of claim 1 wherein before the charging of the terminal by the input voltage converted by the induced current, the method further comprises:

A charging command is received, the charging command being used to instruct charging of the terminal by an input voltage converted by the induced current.
The method according to any one of claims 1 to 4, wherein the conductor coil is disposed on an inner surface or a rear surface of the terminal back cover.
A charging device for a terminal, comprising: a conductor coil, a charge pump circuit, and a charging circuit;

The conductor coil is configured to cut an earth magnetic field to generate an induced current when the terminal is in a moving state, and transmit the induced current to the charge pump circuit; wherein the conductor coil is in a stationary state with respect to the terminal;

The charge pump circuit is configured to receive the induced current sent by the conductor coil, convert the induced current into an input voltage, and transmit the input voltage to the charging circuit;

The charging circuit is configured to receive the input voltage and charge the terminal by using the input voltage.
The apparatus according to claim 6, wherein said apparatus further comprises: a boosting circuit; wherein said boosting circuit is coupled to said charge pump circuit for converting an input voltage of said charge pump circuit The voltage value is boosted to a preset input voltage value, and a voltage corresponding to the preset input voltage value is used as the input voltage, and the input voltage is transmitted to the charging circuit.
The apparatus according to claim 6, wherein said apparatus further comprises: a voltage stabilizing circuit; wherein said voltage stabilizing circuit is coupled to said charge pump circuit for performing an input voltage converted by said charge pump circuit Filter processing, filtering The processed input voltage is transmitted to the charging circuit.
The apparatus of claim 7, wherein the apparatus further comprises: a power management chip;

The power management chip is connected to the charging circuit and configured to send a charging instruction to the charging circuit, wherein the charging instruction is used to instruct the charging circuit to charge the terminal by using the input voltage.
The apparatus according to any one of claims 7 to 9, wherein the conductor coil is provided at an inner surface or a rear surface of a back cover of the terminal.
The apparatus of claim 10 wherein said conductor coil is covered with a layer of insulator.