WO2012155461A1

WO2012155461A1 - Mobile terminal and method of providing electrical energy for mobile terminal

Info

Publication number: WO2012155461A1
Application number: PCT/CN2011/081617
Authority: WO
Inventors: 冯潇
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-08-04
Filing date: 2011-11-01
Publication date: 2012-11-22
Also published as: CN102917086A

Abstract

Disclosed are a mobile terminal and a method of providing electrical energy for the mobile terminal. The mobile terminal includes an energy conversion module and a battery which are connected in turn. The energy conversion module includes a stator and a rotor, wherein: the stator includes two unipolar magnets whose polarities are different from each other; the rotor includes a vibration device and induction coils surrounding the vibration device, and the induction coils are located between the two unipolar magnets; the energy conversion module is configures to: by utilizing the vibration of the vibration device so as to drive the induction coils to cut magnetic field, convert kinetic energy which are produced by the vibration of the vibration device into electrical energy and provide the electrical energy to the battery. The present technical solution could produce electric current to charge the battery of the mobile terminal with the vibration device of the mobile terminal itself such as a motor driving the induction coils to cut induction lines, by setting the mobile terminal into vibration mode when a user usually employs the mobile terminal or when the mobile terminal is at a low voltage.

Description

Mobile terminal and method for providing power to mobile terminal

Technical field

The present invention relates to the field of communications, and in particular, to a mobile terminal and a method for providing power to the mobile terminal.

Background technique

With the large screen, intelligence and functional diversity of mobile terminal products such as mobile phones, the charging problem of mobile terminal products has become increasingly prominent. When people are outdoors or on long-distance travel, sometimes the power supply cannot be guaranteed, which makes the mobile terminal shut down at a critical moment, which brings great inconvenience to the user.

The rational use of energy circulation has been used in many fields. For example, when electric bicycles are not powered, they can use artificial pedaling to charge bicycles. Some automobile manufacturers use the energy consumed by the brakes of automobiles to charge the cars, and even use them through piezoelectric devices. When people walk on the road, they give the road pressure to replenish the street lights.

New energy technologies are also beginning to develop in the mobile phone field. For example, solar cell phones that have already been marketed, cell phone chargers that rely on wind energy to generate electricity, cell phone chargers that rely on pressure to generate energy, and thermal energy to collect mobile phone thermal energy into electricity. At present, these forms of mobile phones or chargers have certain defects while satisfying the functions of mobile phones. Specifically, if the solar cell phone is exposed to sunlight, the battery is easily damaged; the wind energy cell phone charger must generate electricity by means of the wind and has a complicated structure and a large volume; when the pressure charger is pressed, it may cause certain damage to the structure of the charger itself. . Summary of the invention

The present invention provides a mobile terminal and a method of providing power to the mobile terminal to avoid damage to the mobile terminal while providing power to the mobile terminal.

The present invention provides a mobile terminal comprising an energy conversion module and a battery connected in series, the energy conversion module comprising a stator and a rotor, wherein:

The stator includes two unipolar magnets having different polarities;

The rotor includes a vibration device and an induction coil surrounding the vibration device, and the induction line The ring is located between two unipolar magnets;

The energy conversion module is configured to: when the vibration device vibrates, drive the induction coil to cut a magnetic field, convert kinetic energy generated when the vibration device vibrates into electrical energy, and supply the electrical energy to the battery.

Preferably, the vibration device is a motor.

Preferably, the motor is an on-board column motor or a flat motor.

Preferably, the mobile terminal further includes a charge pump module and a rectification filter voltage regulator module sequentially connected and located between the energy conversion module and the battery, wherein:

The charge pump module is configured to: store electrical energy output by the energy conversion module;

The rectification and filtering regulator module is configured to: after stepping down, filtering, and stabilizing the electric energy outputted by the charge pump module, outputting a DC constant current.

Preferably, the mobile terminal further includes a power management module located between the rectification and filtering regulator module and the battery; the power management module is configured to: control a DC constant current output provided by the rectification and filtering regulator module Give the battery.

Preferably, the power management module is configured to: detect that a voltage of the battery is lower than an operating voltage, and output a DC constant current provided by the rectification and filtering regulator module to the device when the received charging current is zero Said battery.

The present invention also provides a method of providing electrical energy to a mobile terminal, the mobile terminal further comprising a stator and a rotor, the stator comprising two unipolar magnets having different polarities; the rotor comprising a vibration device and surrounding the An induction coil of the vibration device, wherein the induction coil is located between two unipolar magnets, the method comprising: the mobile terminal driving the induction coil to cut a magnetic field when the vibration device vibrates by using the vibration device, and the vibration device The kinetic energy generated during the vibration is converted into electrical energy, and the electrical energy is supplied to the battery of the mobile terminal.

Preferably, the vibration device is a motor.

Preferably, the motor is an on-board column motor or a flat motor.

Preferably, the battery for providing the electrical energy to the mobile terminal comprises:

After the mobile terminal performs step-down, filtering, and voltage stabilization on the power, the output DC is constant Current; the mobile terminal detects that the voltage of the battery is lower than the operating voltage and supplies the DC constant current to the battery when the received charging current is zero.

The above mobile terminal and the method for providing power to the mobile terminal can set the mobile terminal to vibrate during normal use, such as incoming call vibration, touch screen vibration or vibration during game play, or when the user is in a low voltage condition of the mobile terminal. In the vibration mode, the mobile terminal's own vibration device such as a motor drives the induction coil to cut the magnetic induction line to generate current to charge the mobile terminal battery; and the method is non-polluting and is not restricted by environment such as sunlight, wind, etc. The mobile terminal caused damage. BRIEF abstract

1 is a schematic structural diagram of an embodiment of a mobile terminal according to the present invention;

2 is a schematic diagram of an internal structure of an embodiment of a mobile terminal according to the present invention;

3 is a schematic structural view of a rear case of an embodiment of a mobile terminal according to the present invention;

4 is a circuit diagram of an embodiment of a rectification and filtering regulator module of a mobile terminal of the present invention. Preferred embodiment of the invention

In order to make the objects, the technical solutions and the advantages of the present invention more clearly, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments of the present application may be arbitrarily combined with each other.

The embodiment of the present invention utilizes the vibration device (such as a motor) of the mobile terminal itself to target the user to use the mobile terminal under low power conditions, and provides the power supply mode to the mobile terminal by using the electromagnetic induction principle. Due to the current large-screen smart machine, the touch screen function of PAD products is more and more powerful, and the frequency of motor vibration during the use of the user is quite high, and the vibration energy can be recovered and converted into electric energy to realize energy recycling.

The stator includes two unipolar magnets having different polarities;

The rotor includes a vibration device and an induction coil surrounding the vibration device, and the induction coil is located between two unipolar magnets; The energy conversion module is configured to drive the induction coil to cut a magnetic field when the vibration device vibrates, convert kinetic energy generated when the vibration device vibrates into electrical energy, and supply the electrical energy to the battery.

Preferably, the vibrating means may be a motor or other similar device capable of performing the function of the motor.

As shown in FIG. 1 , it is a schematic structural diagram of an embodiment of a mobile terminal according to the present invention. The power supply device includes: an energy conversion module 11 , a charge pump module 12 and a rectification filter voltage regulator module 13 connected in sequence, wherein: the energy conversion module 11 Converting the kinetic energy of the rotor rotation into electrical energy output to the charge pump module

12;

The charge pump module 12 is configured to store the electrical energy of the electromagnetic induction output to output a required power supply voltage of the mobile terminal;

The rectifying and filtering regulator module 13 is configured to output a DC constant current after stepping down, filtering, and stabilizing the voltage outputted by the charge pump module.

As shown in FIG. 2 , it is an internal structure diagram of an embodiment of a mobile terminal according to the present invention. The mobile terminal includes a stator 21 , a rotor 22 , a charge pump module 23 , a rectification and filtering regulator module 24 , a power management module 25 , and a battery 26 . The stator 21 is carried by a permanent magnet embedded in the rear casing, and the rotor 22 is carried by a motor. The charge pump module 23 is responsible for storing the generated intermittent electrical energy and outputting it to the rectifying filter voltage stabilizing module. The rectification and filtering regulator module 24 converts the electric energy into the power management module after being transformed, rectified, and stabilized. The power management module 25 includes an external power source detector for detecting the charging mode of the mobile terminal battery. The mobile terminal further includes: a current detector for detecting the magnitude of the charging current; a charging controller connected to the external power source detector and the current controller for controlling the start or end of the charging. Specifically, when the charge controller detects that the battery voltage is lower than the operating voltage, and no charging current is input to the battery, charging starts, otherwise, charging ends.

When the mobile terminal, such as a mobile phone, is normally used, the working voltage is generally 3.7V, the power management module detects that the voltage is within the normal range, the user vibrates during use, and the internal rotor cuts the magnetic induction line to generate electrical energy stored in the charge pump module. When the voltage of the mobile phone is about 3.5 V, a low-power alarm will appear on the screen of the mobile phone. If the user needs to make a call, the mobile phone can be set to enter the vibration mode. At this time, the motor will output a high-speed vibration, and the power management module starts to charge the battery. As shown in FIG. 3, it is a schematic diagram of a rear housing structure of an embodiment of a mobile terminal according to the present invention. In this embodiment, the mobile terminal is an ordinary mobile phone, and the mobile phone includes: a stator (two unipolar permanent fixed on the rear case) Magnet) 31, the rear casing 32 of the mobile phone, the rotor 33 and the induced current output terminal 34. The mobile phone motor used in the embodiment of the present invention is not limited to a cylindrical motor, and a flat motor may be used. For a flat motor, it is necessary to change the position of the permanent magnet.

By providing a permanent magnet on the back casing of the mobile phone, an induction coil is arranged at a corresponding position on the circumference of the motor, and the motor rotates to drive the rotor to rotate, so that the induction coil on the rotor cuts the magnetic field and generates electric energy, providing a new terminal for the mobile terminal. The energy supply mode enables the kinetic energy generated by the user to start the motor vibration in normal use or low power to be converted into the energy of the mobile terminal, so that the user can charge the mobile terminal during the process of using the mobile terminal, and the operation is simple and convenient, and the operation is simple and convenient. The way energy is supplied is non-polluting and is not restricted by the environment such as sunlight and wind.

As shown in FIG. 4, it is a circuit diagram of an embodiment of a rectification and filtering regulator module of the mobile terminal of the present invention. The rectification and filtering regulator module includes: a transformer 41, a half-wave rectification circuit 42, a capacitor 43, a voltage stabilization circuit 44, and an output load ( R1) 45. The voltage stabilizing circuit 44 includes: a resistor (R) 441 and a diode 442. The alternating current generated by the energy conversion module of the mobile terminal is input to the transformer, and after being depressurized by the transformer, the half-wave rectifying circuit and the capacitor are converted into a direct current, and the function of the voltage stabilizing circuit is to control the current within a certain range. The current is processed by the step-down, filtering, and voltage regulation and output to the power management module, which is output to the positive and negative terminals of the mobile phone battery by the power management module.

The above mobile terminal can generate vibrations by vibrating the vibration of the user during normal use, such as vibration of an incoming call, vibration of a touch screen or vibration during game play, by the motor itself driving the induction coil to cut the magnetic induction line to generate a current, and the generated current charges the battery of the mobile phone. The mobile terminal of the embodiment of the present invention can convert the kinetic energy of the motor vibration into electric energy, and provides a new energy supply mode for the mobile terminal, and the technical solution of the embodiment of the invention has a small volume and simple equipment. Easy to implement, increasing the efficiency of energy conversion.

The present invention also provides a method of providing electrical energy to a mobile terminal, the mobile terminal further comprising a stator and a rotor, the stator comprising two unipolar magnets having different polarities; the rotor comprising a vibration device and surrounding the An induction coil of the vibration device, wherein the induction coil is located between two unipolar magnets, the method comprising: the mobile terminal driving the induction coil to cut a magnetic field when the vibration device vibrates by using the vibration device, and the vibration device The kinetic energy generated during vibration is converted into electrical energy, and the electricity is A battery that can be provided to the mobile terminal.

Wherein, the vibration device is a motor, and the motor may be an on-board column motor or a flat motor.

In addition, the battery for providing the electrical energy to the mobile terminal includes:

After the mobile terminal performs step-down, filtering, and voltage stabilization processing on the power, a DC constant current is output; the mobile terminal detects that the voltage of the battery is lower than the working voltage and when the received charging current is zero, The DC constant current is supplied to the battery.

The above method for providing power to the mobile terminal can set the mobile terminal to the vibration mode in the vibration of the user during normal use, such as vibration of the incoming call, vibration of the touch screen or vibration during game play, or the user under the low voltage condition of the mobile terminal. The mobile terminal battery is charged by the vibration device of the mobile terminal itself, such as a motor to drive the induction coil to cut the magnetic induction line; and the method is non-polluting, and is not restricted by the environment such as sunlight, wind, etc., and does not cause the mobile terminal. damage. One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program that instructs the associated hardware to be stored in a computer readable storage medium, such as a read only memory, a magnetic disk, or an optical disk. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware or in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The above embodiments are only intended to illustrate the technical solutions of the present invention and are not to be construed as limiting the invention. It should be understood by those skilled in the art that the present invention may be modified or equivalently substituted without departing from the spirit and scope of the invention.

INDUSTRIAL APPLICABILITY The above mobile terminal and the method for providing power to the mobile terminal can vibrate the user during normal use, such as vibration of an incoming call, vibration of a touch screen or playing a game, or a user at a low voltage of the mobile terminal. The mobile terminal is set to a vibration mode, and the mobile terminal battery is charged by the vibration device such as the motor driving the induction coil to cut the magnetic induction line, and the current is charged to the mobile terminal battery; and the method is free from pollution and is not restricted by environment such as sunlight or wind. Will not cause damage to the mobile terminal.

Claims

Claim

A mobile terminal comprising an energy conversion module and a battery connected in series, the energy conversion module comprising a stator and a rotor, wherein:

The stator includes two unipolar magnets having different polarities;

The rotor includes a vibration device and an induction coil surrounding the vibration device, and the induction coil is located between two unipolar magnets;

2. The mobile terminal according to claim 1, wherein

The vibration device is a motor.

3. The mobile terminal according to claim 2, wherein

The motor is an on-board column motor or a flat motor.

The mobile terminal according to any one of claims 1 to 3, wherein the mobile terminal further comprises a charge pump module and a rectification filter voltage regulator module which are sequentially connected and located between the energy conversion module and the battery , among them:

The mobile terminal according to claim 4, wherein the mobile terminal further comprises a power management module located between the rectification and filtering regulator module and the battery;

The power management module is configured to: control outputting a DC constant current provided by the rectification and filtering regulator module to the battery.

6. The mobile terminal according to claim 5, wherein

The power management module is configured to: detect that a voltage of the battery is lower than an operating voltage, and output a DC constant current provided by the rectification and filtering regulator module to the battery when the received charging current is zero.

7. A method of providing electrical energy to a mobile terminal, the mobile terminal further comprising a stator and a rotor, the stator comprising two unipolar magnets having different polarities; the rotor comprising a vibration device and a surrounding vibration device An induction coil, and the induction coil is located between two unipolar magnets, the method comprising:

The mobile terminal drives the induction coil to cut a magnetic field when the vibration device vibrates, converts kinetic energy generated when the vibration device vibrates into electrical energy, and supplies the electrical energy to a battery of the mobile terminal.

8. The method according to claim 7, wherein

The vibration device is a motor.

9. The method according to claim 8, wherein

The motor is an on-board column motor or a flat motor.

10. A method according to any of claims 7-9, wherein

The battery for providing the electrical energy to the mobile terminal includes:

The mobile terminal outputs a DC constant current after stepping down, filtering, and stabilizing the electrical energy;

The mobile terminal detects that the voltage of the battery is lower than the operating voltage and supplies the DC constant current to the battery when the received charging current is zero.