WO2019061217A1

WO2019061217A1 - Mobile terminal suite and broadcast channel-based wireless charging method therefor

Info

Publication number: WO2019061217A1
Application number: PCT/CN2017/104190
Authority: WO
Inventors: 庞杰; 许逸君; 张玉磊; 徐家林
Original assignee: 深圳传音通讯有限公司
Priority date: 2017-09-29
Filing date: 2017-09-29
Publication date: 2019-04-04

Abstract

The present application relates to a mobile terminal suite and a broadcast channel-based wireless charging method therefor. The method comprises: when a mobile terminal listens to a broadcast channel by means of earphones, obtaining an information and energy simultaneous transmission signal from the broadcast channel by means of the earphones; then obtaining an energy signal from the information and energy simultaneous transmission signal by means of a magneto-electric converting device in the earphones, and converting the energy signal into a charging current; inputting the charging current into a charging circuit of the mobile terminal by means of an earphone circuit; and using the charging current to charge the mobile terminal by means of the charging circuit. According to the method, charging anytime and anywhere can be implemented without needing a power supply, a charging socket, a power bank, and the like which have a short-range wireless charging function. In addition, according to the wireless charging method in the present application, the mobile terminal does not require a coil, which is beneficial to obtain light and thin mobile terminal products and meets the pursuit of users for lightness and thinness of the terminal products, and charging in time can be implemented and the user experience can be improved.

Description

Mobile terminal kit and radio channel-based wireless charging method thereof

[0001] The present application relates to the field of charging technologies, and in particular, to a wireless charging method based on a broadcast channel, and to a mobile terminal kit.

Background technique

[0002] With the popularization of mobile terminals such as mobile phones, people use mobile phones to make calls, surf the Internet, listen to broadcasts, and play games in various situations. It is not difficult to see that the more application functions of mobile terminals are, The energy consumption also rises sharply. Therefore, you need to have a dedicated charger, charging treasure, etc. to carry it around, or to charge it where it is equipped.

[0003] On the other hand, as the technology of the mobile terminal continues to develop, the density of the battery capacity is also increasing, and the charging demand becomes increasingly simplified and speeded up, thereby generating a wireless charging technology.

[0004] In the prior art, wireless charging technology is divided into two phases: short-range wireless charging and long-distance wireless charging. Currently, wireless charging technology is in the short-range wireless charging phase.

[0005] The principle of short-range wireless charging is to achieve energy transfer by direct coupling of the coils. Two of the most critical parameters are the coupling area and the coupling distance. These two parameters are directly related to the transmission efficiency of wireless charging. The coil's operating frequency can be increased to reduce the coil coupling area, and the number of turns can be reduced. Since wireless charging requires a coil having a small number of turns but a relatively large radius, when the coil is placed in the mobile terminal, a part of the thickness needs to be increased, and a larger area is required.

[0006] In addition, the technology of long-distance wireless charging has not been effectively used, so the long-distance wireless charging technology is still to be further developed.

technical problem

[0007] It is not difficult to see from the above background art that the charging mode of the existing mobile terminal is still in an urgent need to continue bursting, and the short-distance wireless charging method is still inseparable from the power supply side for short-distance power supply, and the prior art The charging socket and the charging treasure are essentially the same, that is to say, the user still needs to provide various power supply terminals after charging, so that the need for power consumption can be satisfied. In addition, the wireless charging method in the prior art needs to set a coil in the mobile terminal itself, which brings a bigger and more cumbersome mobile terminal. The technical challenge, but can not be thin and light, it is difficult to meet the user's pursuit of thin and light end products. In short, the inconvenience of charging and the weight of the terminal are inconvenient to the user, affecting the user experience, especially in the If the terminal is not powered, if it cannot be charged, it will bring potential trouble to the user.

Problem solution

Technical solution

[0008] An object of the present invention is to provide a mobile terminal kit and a wireless channel-based wireless charging method thereof, which can help a mobile terminal to perform long-distance charging, thereby facilitating charging of the user anywhere, improving the user experience, and helping the user to avoid unnecessary trouble.

Based on the above technical problem, the present application provides a wireless channel charging method based on a broadcast channel, wherein the wireless channel charging based wireless charging method includes:

[0010] after the mobile terminal listens to the broadcast channel through the earphone, the signal communication signal in the broadcast channel is acquired through the earphone;

[0011] obtaining, by the magnetoelectric conversion device in the earphone, an energy signal thereof from the signal-capable signal, and converting the energy signal into a charging current;

[0012] inputting the charging current into the charging circuit of the mobile terminal through the earphone circuit;

[0013] charging the mobile terminal through the charging circuit by using the charging current.

[0014] wherein the broadcast channel includes an FM channel and an AM channel, and defines a designated broadcast channel as a charging signal channel.

[0015] The step of acquiring the signal-capable signal in the broadcast channel by using the earphone after the mobile terminal listens to the broadcast channel through the earphone, specifically includes:

[0016] after the mobile terminal listens to the broadcast channel through the earphone, it is determined whether the broadcast channel being listened to is the charging signal channel;

[0017] if it is determined that the charging signal channel is, triggering to initiate a broadcast charging mode and acquiring a signal-capable signal in the broadcast channel through a headset, and if it is determined that the charging signal channel is not, listening to the Information signal in the broadcast channel.

[0018] wherein the charging signal channel includes at least two charging signal channels with complementary signal strengths, and after the step of charging the mobile terminal by using the charging current by the charging circuit, Includes:

[0019] Actually determining whether the strength of the currently charged charging signal channel is strong, and if it is determined that the strength of the currently listening charging signal channel is lower than a preset threshold, further determining whether the strength of another charging signal channel is greater than Preset threshold

[0020] If it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to another charging signal channel is switched.

[0021] wherein the magnetoelectric conversion device comprises a coil, the coil is a coil engraved on the earphone, or the coil is made of a material of an FPC flexible circuit board.

[0022] Based on the above technical problem, the present application provides a mobile terminal kit, wherein the mobile terminal kit includes a mobile terminal and a pluggable connection earphone, the mobile terminal is provided with a charging circuit, and the earphone is provided with a magnetic Electric conversion device and earphone circuit:

[0023] the mobile terminal listens to the broadcast channel through the earphone, and the earphone is configured to acquire a signal simultaneous transmission signal in the broadcast channel;

[0024] the magnetoelectric conversion device in the earphone acquires an energy signal thereof from the signal-on-coupling signal, and converts the energy signal into a charging current, and the charging current is input through the earphone circuit The charging circuit of the mobile terminal is configured to charge the mobile terminal through the charging circuit by using the charging current.

[0025] wherein the broadcast channel includes an FM channel and an AM channel, and defines a designated broadcast channel as a charging signal channel.

[0026] The mobile terminal further includes a processor, the processor is configured to perform wireless channel charging data based on the broadcast channel, to listen to the broadcast channel through the earphone at the mobile terminal, where the earphone acquires the letter in the broadcast channel The same as the signal transmission, the steps to achieve include:

[0027] after the mobile terminal listens to the broadcast channel through the earphone, it is determined whether the broadcast channel being listened to is the charging signal channel;

[0028] if it is determined that the charging signal channel is, triggering to initiate a broadcast charging mode and acquiring a signal-to-synchronous signal in the broadcast channel through a headset, and if it is determined that the charging signal channel is not, listening to the Information signal in the broadcast channel.

[0029] wherein the charging signal channel includes at least two charging signal channels with complementary signal strengths, where The processor performs radio channel-based wireless charging program data for charging the mobile terminal through the charging circuit by using the charging current, and the implementing step further includes:

[0030] Actually determining whether the strength of the currently listening charging signal channel is strong, and if it is determined that the strength of the currently listening charging signal channel is lower than a preset threshold, further determining whether the strength of another charging signal channel is greater than Preset threshold

[0031] If it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to another charging signal channel is switched.

[0032] wherein, the mobile terminal comprises a mobile phone, a tablet computer, a smart helmet and smart glasses, the magnetoelectric conversion device comprises a coil, the coil is a coil engraved on the earphone, or the coil adopts FPC The material of the flexible circuit board is made.

Advantageous effects of the invention

Beneficial effect

[0033] The mobile terminal kit of the present application and the wireless charging method based on the broadcast channel, after the mobile terminal listens to the broadcast channel through the earphone, acquires the signal-to-synchronization signal in the broadcast channel through the earphone, and then passes through the The magnetoelectric conversion device obtains an energy signal from the signal-on-coupling signal, converts the energy signal into a charging current, and inputs the charging current into a charging circuit of the mobile terminal through a headphone circuit, A charging current is charged to the mobile terminal through the charging circuit. In this way, the present application no longer needs a power supply party with a short-distance wireless charging, a charging socket, a charging treasure, etc., and can be charged anywhere, and the wireless charging method of the present application does not need to set a coil in the mobile terminal itself. It is conducive to the thinning and thinning of mobile terminal products, satisfying the user's pursuit of thinness and thinning of the terminal products, and the present application can be used for charging, avoiding potential troubles for the user and improving the user experience.

Brief description of the drawing

DRAWINGS

1 is a flowchart of an embodiment of a wireless channel charging method based on a broadcast channel of the present application.

2 is a block diagram of a module of an embodiment of a mobile terminal kit of the present application. Embodiments of the invention

[0036] The embodiments of the present application are described below by way of specific embodiments, and those skilled in the art can readily appreciate the other advantages and functions of the present application from the disclosure of the present disclosure.

[0037] In the following description, the drawings describe several embodiments of the present application. It is to be understood that other embodiments may be utilized, and structural, structural, electrical and operational changes may be made without departing from the spirit and scope of the disclosure. The following detailed description is not to be considered as limiting, and the scope of the embodiments of the present invention is defined by the appended claims. The terminology used herein is for the purpose of describing particular embodiments, and is not intended to

[0038] Although the terms first, second, etc. are used herein to describe various modules in some instances, these modules should not be limited by these terms. These terms are only used to distinguish one element from another.

In addition, the singular forms "a", "the" It should be further understood that the terms "comprising", "comprising", "the", "the", "the", "the" The presence, presence, or addition of components, components, projects, categories, and/or groups. The terms "or" and "and/or" are used herein to be interpreted as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C" . An exception to this definition occurs only if the combination of components, functions, steps, or operations is inherently mutually exclusive in some way.

[0040] As used herein, the term "if" may be interpreted to mean "when..." or "once..." or "in response to determining" or "in response to detecting" depending on the context. Similarly, the phrase "if determined" or "if a condition or event is stated" is optionally interpreted as meaning "once determined" or "in response to determining" or "once detected" The stated condition or event] or "in response to the detection of [stated condition or event]".

[0041] Please refer to FIG. 1, FIG. 1 is a flow chart of an embodiment of a wireless charging method based on a broadcast channel according to the present application.

[0042] In the embodiment, the radio channel-based wireless charging method includes but is not limited to the following steps.

[0043] Step S101: After the mobile terminal listens to the broadcast channel through the earphone, acquires the broadcast channel through the earphone. The letter in the same can pass signals.

[0044] It should be noted that, in the present embodiment, the signal-on-coupling signal refers to a signal that is synchronously transmitted between an information signal and an energy signal.

[0045] Specifically, the present application can realize the homogenous transmission of information and energy by wireless, and integrates the wireless communication technology and the wireless energy transmission technology, and can integrate the energy technology and the communication technology. Therefore, the present application can achieve high speed. Reliable communication can effectively alleviate the pressure of energy and spectrum scarcity.

[0046] In addition, the present application can reduce the dependence on various types of limited capacity batteries by means of information and energy transmission, and by feeding energy from the signals to feed them, greatly extending standby time and reducing equipment volume. And cost, and can significantly reduce the production of batteries, greatly reducing the environmental pollution caused by battery manufacturing and recycling process.

[0047] It should be noted that the broadcast channel of the present application may include an FM (Frequency Modulation) channel and an AM (Amplitude Modulation) channel, and define a designated broadcast channel as a charging signal channel.

[0048] Further, the step S101 is: when the mobile terminal listens to the broadcast channel through the earphone, and acquires the signal-to-synchronization signal in the broadcast channel by using the earphone, the method may include: listening to the broadcast channel by the mobile terminal through the earphone, Determining whether the broadcast channel that is being listened to is the charging signal channel; if it is determined that the charging signal channel is, triggering to activate a broadcast charging mode and acquiring a signal capable signal in the broadcast channel through the earphone, if it is determined Instead of the charging signal channel, the f π information in the broadcast channel is listened to.

[0049] In other words, the present application can specify a broadcast channel as a dedicated charging signal channel, and the energy signal ratio in the charging signal channel can be much larger than a general broadcast channel, thereby improving charging efficiency and facilitating. The user can quickly charge when needed.

[0050] Step S102: Acquire an energy signal from the signal-on-coupling signal through a magnetoelectric conversion device in the earphone, and convert the energy signal into a charging current.

[0051] It should be noted that the magnetoelectric conversion device includes a coil, the coil is a coil of laser engraved on the earphone, or the coil is made of a material of an FPC flexible circuit board. In this way, it is not necessary to provide a wireless charging coil on the mobile terminal, which is advantageous for slimming of the mobile terminal.

[0052] Step S103, inputting the charging current into the charging circuit of the mobile terminal through the earphone circuit. [0053] In step S103, the earphone adopts a wired earphone to avoid energy loss between the earphone and the mobile terminal, and a wireless earphone such as Bluetooth can be avoided, and a coil is additionally provided in the mobile terminal.

[0054] Step S104, charging, by the charging circuit, the mobile terminal by using the charging current.

[0055] It should be particularly noted that the charging signal channel includes at least two charging signal channels with complementary signal strengths, and the charging current in the step S104 is used to charge the mobile terminal through the charging circuit. After the step, the method may further include: determining a strength of the currently listening charging signal channel, and determining that the strength of the currently listening charging signal channel is lower than a preset threshold, further determining another charging signal channel. Whether the strength is greater than a preset threshold; if it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to another charging signal channel is switched.

[0056] Specifically, the part of the charging signal channel may be weak or even closed due to the relationship between the area or the inter-segment. Therefore, the embodiment of the present application may specifically designate a supplementary power that can solve the problem for the above situation. The signal channel, at least there is no situation in which the peers are weakened or even closed due to the geographical or inter-segmental segment, so as to ensure that one of the charging signal channels can be used as the charging channel.

[0057] In addition, it should be noted that if both charging signal channels exist and the signal strengths between the two are different, the embodiment can automatically switch to a channel with strong signal strength to listen to improve charging efficiency. .

[0058] Please refer to FIG. 2 in conjunction with the above embodiments. FIG. 2 is a block diagram of an embodiment of a mobile terminal kit of the present application.

[0059] In this embodiment, the mobile terminal kit may include a mobile terminal 20 and a pluggable connection earphone

11. The mobile terminal 20 is provided with a processor 21 and a charging circuit 22. The earphone 11 can be provided with a magnetoelectric conversion device (not shown) and a headphone circuit (not shown).

[0060] wherein, the mobile terminal 20 includes a mobile phone, a tablet computer, a smart helmet, smart glasses, and the like, the magnetoelectric conversion device includes a coil, the coil is a coil that is laser-engraved on the earphone 11, or The coil is made of a material of an FPC flexible circuit board.

[0061] The earphone 11 of the present embodiment can receive the energy through the coil by laser engraving or using the FPC material, and can charge the battery of the mobile terminal 20 (not shown) due to the coil or F of the laser engraving. The coil made of PC has a very thin characteristic, and has almost no influence on the thickness of the earphone 11, thereby reducing the influence of the coil on the thickness of the earphone 11, the structure of the product is more reliable, the strength is higher, and the same is also reduced. The design difficulty.

[0062] It should be noted that, when the mobile terminal 20 listens to the broadcast channel through the earphone 11, the earphone 11 is configured to acquire a signal-capable signal in the broadcast channel;

[0063] the magnetoelectric conversion device in the earphone 11 acquires an energy signal thereof from the signal-on-coupling signal

And converting the energy signal into a charging current, the charging current being input to the charging circuit 22 of the mobile terminal 20 through the earphone circuit to utilize the charging current to move to the mobile through the charging circuit 22 The terminal 20 performs charging.

[0064] In the present embodiment, the signal-on-coupling signal refers to a signal that is synchronously transmitted by an information signal and an energy signal.

[0065] Specifically, the present application can realize the homogenous transmission of information and energy by wireless, and integrates the wireless communication technology and the wireless energy transmission technology, and can integrate the energy technology and the communication technology. Therefore, the present application can achieve high speed and reliability. Communication can effectively alleviate the pressure of energy and spectrum scarcity.

[0066] In addition, the present application can reduce the dependence on various types of limited capacity batteries by means of information and energy transmission, and by feeding energy from signals to feed, greatly extending standby time and reducing equipment volume. And cost, and can significantly reduce the production of batteries, greatly reducing the environmental pollution caused by battery manufacturing and recycling process.

[0067] In the present embodiment, the broadcast channel includes an FM channel and an AM channel, and defines a designated broadcast channel as a charging signal channel. In other words, the present application can specify a broadcast channel as a dedicated charging signal channel, and the energy signal ratio in the charging signal channel can be much larger than a general broadcast channel, thereby improving charging efficiency and facilitating the user in need.吋 Quickly charge.

It should be noted that the processor 21 of the present embodiment is configured to perform wireless channel charging data based on the broadcast channel to listen to the broadcast channel through the earphone 11 at the mobile terminal 20, and the earphone 11 acquires the broadcast channel. The step of implementing the signal may include: listening to the broadcast channel by the mobile terminal 20 through the earphone 11, determining whether the broadcast channel being listened to is the charging signal channel; if it is determined that the charging signal channel is And triggering the start of the broadcast charging mode and acquiring the signal-on-coupling signal in the broadcast channel through the earphone 11, and if it is determined that the charging signal channel is not, listening to the broadcast channel Information signal in.

[0069] It is worth mentioning that the charging signal channel includes at least two charging signal channels with complementary signal strengths, and the processor 21 performs wireless channel charging data based on the broadcast channel, and is used to pass the charging current by using the charging current. The charging circuit 22 performs charging on the mobile terminal 20, and the implemented steps further include: determining the strength of the currently listening charging signal channel, and determining that the strength of the currently listening charging signal channel is lower than The preset threshold is further determined whether the strength of another charging signal channel is greater than a preset threshold; if it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to another charging signal channel is switched.

[0070] Specifically, the part of the charging signal channel may be weak or even closed due to the relationship between the area or the inter-segment. Therefore, the embodiment of the present application may specifically designate a supplementary power that can solve the problem. The signal channel, at least there is no situation in which the peers are weakened or even closed due to the geographical or inter-segmental segment, so as to ensure that one of the charging signal channels can be used as the charging channel.

[0071] In addition, it should be noted that if both charging signal channels exist and the signal strengths between the two are different, the embodiment can automatically switch to a channel with strong signal strength to listen to improve charging efficiency. .

[0072] The present application also provides an earphone, which may be the earphone mentioned in any of the above embodiments. Similarly, the application can also provide a mobile terminal, which can be the mobile terminal mentioned in any of the above embodiments. Industrial applicability

[0073] The mobile terminal kit of the present application and the wireless charging method based on the broadcast channel, after the mobile terminal listens to the broadcast channel through the earphone, acquires the signal-to-synchronization signal in the broadcast channel through the earphone, and then passes through the The magnetoelectric conversion device obtains an energy signal from the signal-on-coupling signal, converts the energy signal into a charging current, and inputs the charging current into a charging circuit of the mobile terminal through a headphone circuit, A charging current is charged to the mobile terminal through the charging circuit. In this way, the present application no longer needs a power supply party with a short-distance wireless charging, a charging socket, a charging treasure, etc., and can be charged anywhere, and the wireless charging method of the present application does not need to set a coil in the mobile terminal itself. Conducive to the thin and light of mobile terminal products, to meet the user's pursuit of thin and light end products, and this application can be charged, avoiding potential troubles for users, improving user body Test.

In addition, the above-described embodiments are merely illustrative of the principles of the present application and its effects, and are not intended to limit the present application. Any of the above-described embodiments may be modified or altered without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and scope of the invention are still to be covered by the claims.

Claims

Claim

[Claim 1] A radio channel charging method based on a broadcast channel, wherein the radio channel based wireless charging method includes:

After the mobile terminal listens to the broadcast channel through the earphone, the signal can be acquired by the earphone in the broadcast channel;

Acquiring an energy signal thereof from the signal-capable signal through a magnetoelectric conversion device in the earphone, and converting the energy signal into a charging current;

And charging the charging current into the charging circuit of the mobile terminal through the earphone circuit; charging the mobile terminal through the charging circuit by using the charging current.

[Claim 2] The broadcast channel based wireless charging method according to claim 1, wherein the broadcast channel includes an FM channel and an AM channel, and a designated broadcast channel is defined as a charging signal channel.

[Claim 3] The broadcast channel-based wireless charging method according to claim 2, wherein the step of acquiring the signal-capable signal in the broadcast channel through the earphone after the mobile terminal listens to the broadcast channel through the earphone Specifically, including:

After the mobile terminal listens to the broadcast channel through the earphone, it is determined whether the broadcast channel being listened to is the charging signal channel;

If it is determined that the charging signal channel is, triggering to initiate a broadcast charging mode and acquiring a signal-to-synchronous signal in the broadcast channel through a headset, and if it is determined that the charging signal channel is not, listening to the broadcast channel Information signal.

[Claim 4] The broadcast channel-based wireless charging method according to claim 3, wherein the charging signal channel includes at least two charging signal channels having complementary signal strengths, and the charging current is utilized by the charging After the step of charging the circuit to the mobile terminal, the method further includes:

Actually determining whether the strength of the currently charged charging signal channel is strong, and if it is determined that the strength of the currently listening charging signal channel is lower than a preset threshold, further determining whether the strength of another charging signal channel is greater than a preset threshold ;

If it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to listen to another Charging signal channel.

[Claim 5] The broadcast channel-based wireless charging method according to claim 3, wherein the magnetoelectric conversion device includes a coil, the coil is a coil that is laser-engraved on the earphone, or the coil is used The material of the FPC flexible circuit board is made.

[Claim 6] A mobile terminal kit, wherein the mobile terminal kit includes a mobile terminal and a pluggable connection earphone, the mobile terminal is provided with a charging circuit, and the earphone is provided with a magnetoelectric conversion device and a headphone circuit :

Listening to the broadcast channel by the mobile terminal through the earphone, the earphone is configured to acquire a signal-capable signal in the broadcast channel;

The magnetoelectric conversion device in the earphone acquires an energy signal thereof from the signal-on-coupling signal, and converts the energy signal into a charging current, and the charging current inputs the movement through the earphone circuit The charging circuit of the terminal is configured to charge the mobile terminal through the charging circuit by using the charging current.

[Claim 7] The mobile terminal kit according to claim 6, wherein the broadcast channel includes an FM channel and an AM channel, and a designated broadcast channel is defined as a charging signal channel.

[Claim 8] The mobile terminal kit of claim 7, wherein the mobile terminal further comprises a processor, the processor is configured to perform radio channel-based wireless charging program data to listen to the broadcast through the earphone at the mobile terminal a channel, the headset acquires a signal-capable signal in the broadcast channel, and the implemented steps specifically include:

[Claim 9] The mobile terminal kit according to claim 8, wherein the charging signal channel includes at least two charging signal channels having complementary signal strengths, and the processor executes wireless channel charging data based on the broadcast channel, The step of implementing charging by using the charging current to the mobile terminal through the charging circuit further includes: Actually determining whether the strength of the currently charged charging signal channel is strong, and if it is determined that the strength of the currently listening charging signal channel is lower than a preset threshold, further determining whether the strength of another charging signal channel is greater than a preset threshold ;

If it is determined that the strength of another charging signal channel is greater than a preset threshold, then switching to another charging signal channel is switched.

[Claim 10] The mobile terminal kit according to claim 8, wherein the mobile terminal comprises a mobile phone, a tablet computer, a smart helmet, and smart glasses, the magnetoelectric conversion device includes a coil, and the coil is a laser engraved The coil on the earphone, or the coil is made of a material of an FPC flexible circuit board.