CN117040059A

CN117040059A - Wireless charging method and device based on intelligent watch

Info

Publication number: CN117040059A
Application number: CN202311000194.0A
Authority: CN
Inventors: 高锦锋; 魏育祥
Original assignee: Shenzhen Yai Intelligent Technology Co ltd
Current assignee: Shenzhen Yai Intelligent Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2023-11-10

Abstract

The invention relates to a wireless charging technology, and discloses a wireless charging method and device based on an intelligent watch, wherein the method comprises the following steps: the method comprises the steps of obtaining a watch to be charged, designing a corresponding charging circuit, identifying a power control unit, then transmitting control current, obtaining regulated voltage, then calculating loss power, determining an electric energy unit, then obtaining gain electric energy, identifying a transmitting coil, determining an induction unit, then obtaining pure electric energy through conversion electric energy, then filtering, identifying a receiving coil, identifying a charging unit, performing overcurrent protection on the pure electric energy, detecting working states of all units, constructing a wireless charging model based on the loss power, the transmitting coil, the receiving coil and the working states, integrating the charging circuit into a charging element by utilizing the wireless charging model, designing a wireless charging base matched with the charging element, and enabling the position of the charging element in the watch to be charged to be in contact with the wireless charging base so as to realize wireless charging of the watch to be charged. The invention can improve wireless charging efficiency.

Description

Wireless charging method and device based on intelligent watch

Technical Field

The invention relates to the technical field of wireless charging, in particular to a wireless charging method and device based on an intelligent watch.

Background

Wireless charging refers to charging by transmitting electrical energy into a device or apparatus through wireless technology, and generally uses technologies such as electromagnetic induction, electromagnetic radiation, electromagnetic resonance, etc. to transmit electrical energy from a transmitting apparatus to a receiving apparatus, so as to realize charging of a battery or an electronic device.

At present, an electromagnetic field is established between a charging receiver on the watch and a transmitter on a charging base mainly for wireless charging of the intelligent watch, and the electromagnetic field is converted into electric energy, so that wireless charging of the watch is realized, the charging receiver on the intelligent watch is required to be in accurate contact with the charging base, the intelligent watch can be charged, and energy can be lost through wireless transmission in the charging process, so that the transmission efficiency is influenced, and therefore, a wireless charging method based on the intelligent watch is required to improve the wireless charging efficiency.

Disclosure of Invention

The invention provides a wireless charging method and device based on an intelligent watch, and mainly aims to improve wireless charging efficiency.

In order to achieve the above object, the present invention provides a wireless charging method based on a smart watch, including:

obtaining a watch to be charged, identifying a wireless charging standard of the watch to be charged, designing a charging circuit corresponding to the watch to be charged based on the wireless charging standard, wherein the charging circuit comprises: a power management circuit, a transmitter circuit, a receiver circuit, and a control protection circuit;

Identifying a power control unit in the power management circuit, transmitting control current by using a transmitting module in the power control unit, performing voltage regulation on the control current by using a regulating module in the power control unit to obtain a regulating voltage corresponding to the power control unit, and calculating loss power corresponding to the power management circuit based on the control current and the regulating voltage;

determining an electric energy unit in the transmitter circuit, utilizing the electric energy unit to gain circuit electric energy in the power management circuit, obtaining gain electric energy corresponding to the transmitter circuit, and identifying a transmitting coil in the transmitter circuit based on the gain electric energy;

determining an induction unit in the receiver circuit, converting the gain electric energy by using a rectifying module in the induction unit to obtain converted electric energy corresponding to the receiver circuit, filtering the converted electric energy by using a filtering module in the induction unit to obtain pure electric energy, and identifying a receiving coil in the receiver circuit based on the pure electric energy;

identifying a charging unit in the control protection circuit, performing overcurrent protection on the pure electric energy by using the charging unit to obtain protection current corresponding to the control protection circuit, and detecting the working state of each unit in the control protection circuit based on the protection current;

Based on the loss power, the transmitting coil, the receiving coil and the working state, a wireless charging model corresponding to the watch to be charged is constructed, the charging circuit is integrated into a charging element in the watch to be charged by using the wireless charging model, a wireless charging base matched with the charging element is designed, and the part of the charging element in the watch to be charged is contacted with the wireless charging base, so that the watch to be charged is wirelessly charged.

Optionally, the designing the charging circuit corresponding to the watch to be charged based on the wireless charging standard includes:

determining the wireless charging standard as a QI standard, and inquiring a charging element corresponding to the QI standard;

identifying an operating power of the charging element;

designing a transmitter element and a receiver element corresponding to the charging element based on the operating power;

wirelessly linking the transmitter element with the receiver element to obtain a link circuit corresponding to the QI standard;

and taking the link circuit as a charging circuit corresponding to the watch to be charged.

Optionally, voltage regulation is performed on the control current by using a regulation module in the power control unit to obtain a regulation voltage corresponding to the power control unit, including:

After the power supply is connected to the power control unit, the input electric signal in the power control unit is identified;

connecting the input electrical signal to an input port of the conditioning module;

setting a target voltage corresponding to the regulating module based on the input port;

inquiring a voltage regulation range of the target voltage;

and carrying out voltage regulation on the control current based on the voltage regulation range to obtain the regulation voltage corresponding to the power control unit.

Optionally, the calculating the loss power corresponding to the power management circuit based on the control current and the regulated voltage includes:

and calculating the loss power corresponding to the power management circuit by using the following formula:

wherein Z represents the power loss corresponding to the power management circuit, I represents the control current, V represents the regulated voltage, K represents the loss coefficient corresponding to the power management circuit, is represents the input current corresponding to the power management circuit, and Vs represents the input voltage corresponding to the power management circuit.

Optionally, the gain of the circuit power in the power management circuit by using the power unit to obtain gain power corresponding to the transmitter circuit includes:

After the power management circuit is connected with the transmitter circuit, configuring the electric energy parameters of the electric energy unit;

identifying input electric energy in the electric energy parameters, and detecting electric energy fluctuation in the input electric energy;

controlling circuit power in the power management circuit based on the power fluctuation;

and gain is carried out on the circuit electric energy, and gain electric energy corresponding to the transmitter circuit is obtained.

Optionally, the converting the gain electric energy by using a rectifying module in the induction unit to obtain converted electric energy corresponding to the receiver circuit includes:

identifying a connection port of the rectifying module, and configuring control parameters of the rectifying module based on the connection port;

based on the control parameters, monitoring the operation procedure of the rectifying module, and inquiring the processing state in the operation procedure;

and converting the gain electric energy based on the processing state to obtain converted electric energy corresponding to the receiver circuit.

Optionally, the filtering the converted electric energy by using a filtering module in the sensing unit to obtain pure electric energy includes:

identifying a filtering range of the filtering module;

inquiring the corresponding working parameters of the filtering module based on the filtering range;

Extracting corresponding signal characteristics in the working parameters, and monitoring output frequency waves of the signal characteristics;

and filtering the converted electric energy based on the output frequency wave to obtain pure electric energy corresponding to the induction unit.

Optionally, the integrating the charging circuit into a charging element in the watch to be charged using the wireless charging model includes:

based on the wireless charging model, manufacturing a charging circuit board corresponding to the watch to be charged;

connecting the charging circuit board with an electronic element in the watch to be charged to obtain a connecting circuit corresponding to the charging circuit;

detecting line power in the connection line;

calculating the charging efficiency of the charging circuit based on the line power;

and based on the charging efficiency, after the charging component corresponding to the charging circuit is packaged, integrating the charging component into a charging element in the watch to be charged.

Optionally, the calculating the charging efficiency of the charging circuit based on the line power includes:

the charging efficiency of the charging circuit is calculated using the following formula:

wherein L represents the charging efficiency of the charging circuit, pc represents the charging power of the charging circuit, I represents the charging current of the charging circuit, and R represents the line resistance of the charging circuit.

In order to solve the above problems, the present invention also provides a wireless charging device based on a smart watch, the device comprising:

the charging circuit module is used for obtaining the watch to be charged, identifying the wireless charging standard of the watch to be charged, designing a charging circuit corresponding to the watch to be charged based on the wireless charging standard, wherein the charging circuit comprises: a power management circuit, a transmitter circuit, a receiver circuit, and a control protection circuit;

the power loss calculation module is used for identifying a power control unit in the power management circuit, transmitting control current by using a transmitting module in the power control unit, performing voltage regulation on the control current by using a regulating module in the power control unit to obtain regulating voltage corresponding to the power control unit, and calculating power loss corresponding to the power management circuit based on the control current and the regulating voltage;

the transmitting coil identification module is used for determining an electric energy unit in the transmitter circuit, utilizing the electric energy unit to gain the circuit electric energy in the power management circuit, obtaining gain electric energy corresponding to the transmitter circuit, and identifying a transmitting coil in the transmitter circuit based on the gain electric energy;

The receiving coil identification module is used for determining an induction unit in the receiver circuit, converting the gain electric energy by utilizing a rectifying module in the induction unit to obtain converted electric energy corresponding to the receiver circuit, filtering the converted electric energy by utilizing a filtering module in the induction unit to obtain pure electric energy, and identifying a receiving coil in the receiver circuit based on the pure electric energy;

the unit detection module is used for identifying a charging unit in the control protection circuit, performing overcurrent protection on the pure electric energy by using the charging unit to obtain protection current corresponding to the control protection circuit, and detecting the working state of each unit in the control protection circuit based on the protection current;

and the charging matching module is used for constructing a wireless charging model corresponding to the watch to be charged based on the loss power, the transmitting coil, the receiving coil and the working state, integrating the charging circuit into a charging element in the watch to be charged by using the wireless charging model, designing a wireless charging base matched with the charging element, and enabling the part of the charging element in the watch to be charged to be in contact with the wireless charging base so as to realize wireless charging of the watch to be charged.

According to the embodiment of the invention, through acquiring the watch to be charged and identifying the wireless charging standard of the watch to be charged, the charging circuit designed subsequently is compatible with the watch, meanwhile, the charging speed and efficiency can be improved, the use convenience and charging flexibility of the watch wireless charging are improved, the charging condition of a battery or an energy storage device can be monitored in time by identifying the power control unit in the power management circuit and utilizing the transmitting module in the power control unit to transmit control current, the accurate current control can be realized, the fine management of each component in the circuit is realized, the current size can be automatically adjusted according to specific requirements, the power management is more intelligent and automatic, the stability and the reliability of the circuit are improved, the stable power supply can be provided by determining the electric energy unit in the transmitter circuit, the normal operation of the transmitter circuit is ensured, meanwhile, the charging condition of overload or short circuit is avoided, the service life is prolonged, the safety is improved, and the charging effect is better matched with the charging base of the watch charging base through the wireless charging device designed according to the specific requirements, and the charging base is matched with the charging base. Therefore, the wireless charging method and device based on the intelligent watch provided by the invention are used for improving the wireless charging efficiency.

Drawings

Fig. 1 is a flow chart of a wireless charging method based on a smart watch according to an embodiment of the present application;

fig. 2 is a schematic block diagram of a wireless charging method based on a smart watch according to an embodiment of the present application;

fig. 3 is a schematic diagram of an internal structure of an electronic device according to a wireless charging method based on a smart watch according to an embodiment of the present application.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The embodiment of the application provides a wireless charging method based on an intelligent watch. The execution subject of the wireless charging method based on the smart watch comprises at least one of a server, a terminal and the like which can be configured to execute the method provided by the embodiment of the application. In other words, the wireless charging method based on the smart watch may be performed by software or hardware installed in a terminal device or a server device, and the software may be a blockchain platform. The service end includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like. The server may be an independent server, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms.

Referring to fig. 1, a flowchart of a wireless charging method based on a smart watch according to an embodiment of the invention is shown. In this embodiment, the wireless charging method based on the smart watch includes:

s1, acquiring a watch to be charged, identifying a wireless charging standard of the watch to be charged, designing a charging circuit corresponding to the watch to be charged based on the wireless charging standard, wherein the charging circuit comprises: power management circuitry, transmitter circuitry, receiver circuitry, and control protection circuitry.

According to the invention, the watch to be charged is obtained, the wireless charging standard of the watch to be charged is identified, the compatibility of a charging circuit designed subsequently with the watch can be ensured, meanwhile, the charging speed and efficiency can be improved, and the use convenience and the charging flexibility of the watch wireless charging are improved.

The watch to be charged is an intelligent watch which can be charged or needs to be charged wirelessly; the wireless charging standard refers to a specification or protocol for defining and prescribing communication and charging modes between wireless charging devices, such as: QI standard, airFuel standard, etc.

Alternatively, the wireless charging criteria may be obtained by signal analysis tool identification, such as: wireless signal analyzer, spectrum analyzer, etc.

According to the invention, based on the wireless charging standard, the charging circuit corresponding to the watch to be charged is designed, so that the safety and reliability of the charging process can be ensured, the damage or safety risk caused by improper circuit design is prevented, and meanwhile, the convenience of charging and the simplicity of operation are improved.

Wherein the charging circuit refers to an electronic circuit system for converting electric energy output by a power supply into a charging signal or current suitable for a wristwatch to be charged, and the charging circuit comprises: power management circuitry, transmitter circuitry, receiver circuitry, and control protection circuitry.

As an embodiment of the present invention, the designing a charging circuit corresponding to the watch to be charged based on the wireless charging standard includes: determining that the wireless charging standard is QI standard; inquiring a charging element corresponding to the QI standard; identifying an operating power of the charging element; designing a transmitter element and a receiver element corresponding to the charging element based on the operating power; wirelessly linking the transmitter element with the receiver element to obtain a link circuit corresponding to the QI standard; and taking the link circuit as a charging circuit corresponding to the watch to be charged.

Wherein, the QI standard refers to a standard widely applied to wireless charging equipment; the charging element is used for wirelessly transmitting energy and realizing a charging function; the running power refers to energy conversion and transmission power required by the charging element in a working state; the transmitter element refers to elements required to design and build the transmitter circuit, including: a power converter, a frequency matching circuit, etc.; the receiver element refers to an element required for designing and constructing a receiver circuit, including: energy receivers, converters, etc.; the link circuit refers to a circuit that wirelessly links the transmitter element with the receiver element.

Further, the QI standard may be obtained by querying a WPC implementation; the charging element may be obtained by an element selection tool, such as: digi-Key, mouser, etc. tools; the transmitter element and the receiver element may be obtained by EDA tool implementations, such as: cadence, aluminum Designer, and other tools; the link circuit may be obtained by electromagnetic simulation software implementation, such as: ansoft HFSS, CST Microwave Studio, etc.

S2, identifying a power control unit in the power management circuit, transmitting control current by using a transmitting module in the power control unit, performing voltage regulation on the control current by using a regulating module in the power control unit to obtain regulating voltage corresponding to the power control unit, and calculating loss power corresponding to the power management circuit based on the control current and the regulating voltage.

According to the invention, the power control unit in the power management circuit is identified, the emission module in the power control unit is used for emitting control current, so that accurate current control can be realized, fine management of each component in the circuit is realized, and the current can be automatically regulated according to specific requirements, so that the power management is more intelligent and automatic, and the stability and reliability of the circuit are improved.

Wherein the power control unit refers to a basic unit for controlling power equipment or a system; the control current refers to a current flowing through a control circuit or an electronic device, and optionally, the control unit can be obtained through control system design software identification, such as: MATLAB, simulink, etc.; the control current may be obtained by a PID control algorithm implementation.

Furthermore, the invention uses the adjusting module in the electricity control unit to adjust the voltage of the control current to obtain the adjusting voltage corresponding to the electricity control unit, thereby avoiding overload or overcurrent, protecting the controlled circuit or device from damage, reducing energy waste and further reducing energy cost.

The regulating voltage is the voltage obtained in the process of regulating the control current by changing the voltage in the power control unit.

As an embodiment of the present invention, the voltage adjustment of the control current by using the adjustment module in the power control unit, to obtain an adjustment voltage corresponding to the power control unit, includes:

after the power supply is connected to the power control unit, the input electric signal in the power control unit is identified; connecting the input electrical signal to an input port of the conditioning module; setting a target voltage corresponding to the regulating module based on the input port; inquiring a voltage regulation range of the target voltage; and carrying out voltage regulation on the control current based on the voltage regulation range to obtain the regulation voltage corresponding to the power control unit.

Wherein the input electric signal refers to current information transmitted to the power control unit; the input port refers to a circuit or interface connected to the conditioning module; the target voltage is a desired output voltage value at which the regulation module is set; the voltage regulation range refers to a voltage regulation range which can be realized by the regulation module.

Further, the input electrical signal may be obtained by a detection tool, such as: voltmeters, ammeter, etc.; the input port may be obtained through an interface protocol such as: USB, HDMI, RS232, etc.; the target voltage can be obtained through an automatic algorithm; the voltage regulation range may be obtained by querying a specification implementation.

As one embodiment of the present invention, the calculating the loss power corresponding to the power management circuit based on the control current and the regulated voltage includes:

And S3, determining an electric energy unit in the transmitter circuit, utilizing the electric energy unit to gain the circuit electric energy in the power management circuit, obtaining gain electric energy corresponding to the transmitter circuit, and identifying a transmitting coil in the transmitter circuit based on the gain electric energy.

The invention can provide stable power supply by determining the electric energy unit in the transmitter circuit, ensures the normal operation of the transmitter circuit, and can regulate and protect the input current at the same time so as to avoid the problems of overload or short circuit and the like.

Wherein the electrical energy unit refers to a component or part that converts input electrical energy into other forms of energy, alternatively, the electrical energy unit may be determined by circuit design software, such as: LTspice, cadence, etc.

The invention gains the circuit electric energy in the power management circuit by using the electric energy unit to obtain the gain electric energy corresponding to the transmitter circuit, and can convert the gain electric energy into higher output power, thereby reducing the loss and waste of energy, being beneficial to reducing the energy cost and prolonging the service life of a battery.

Wherein the circuit power refers to raw power transmitted into the power management circuit; the gain power refers to power in the gain power management circuit by using the power unit.

As one embodiment of the present invention, the gain power corresponding to the transmitter circuit is obtained by using the power unit to gain the circuit power in the power management circuit, and the gain power includes: after the power management circuit is connected with the transmitter circuit, configuring the electric energy parameters of the electric energy unit; identifying input power in the power parameters; detecting a power fluctuation in the input power; controlling circuit power in the power management circuit based on the power fluctuation; and gain is carried out on the circuit electric energy, and gain electric energy corresponding to the transmitter circuit is obtained.

Wherein, the electric energy parameter refers to relevant parameters of the electric energy unit, such as current, voltage and the like; the input electric energy refers to the electric energy input after the power management circuit is connected with the transmitter circuit; the power fluctuation refers to a power change or fluctuation in the input power.

Further, the electric energy parameter may be obtained through an electric energy monitoring system, for example: smart meters, power management systems, etc.; the input electric energy can be obtained through a peak detection algorithm; the power fluctuation can be obtained by fluctuation analysis, such as: time series analysis, spectrum analysis, wavelet transformation and other methods.

The invention identifies the transmitting coil in the transmitter circuit based on the gain electric energy, can monitor the working state of the transmitting coil in real time, and can find out and take appropriate measures to repair if faults exist in time, thereby avoiding system interruption or damage caused by the faults, ensuring the normal operation of the transmitting coil and avoiding potential safety risks.

Wherein, the transmitting coil is an electromagnetic coil for generating an electromagnetic field and transmitting signals through air or other mediums, and optionally, the transmitting coil can be obtained through recognition of an electric energy monitoring instrument, such as: electrical energy meters, electricity meters, and the like.

S4, determining an induction unit in the receiver circuit, converting the gain electric energy by using a rectifying module in the induction unit to obtain converted electric energy corresponding to the receiver circuit, filtering the converted electric energy by using a filtering module in the induction unit to obtain pure electric energy, and identifying a receiving coil in the receiver circuit based on the pure electric energy.

The invention can improve the signal capturing and decoding capability of the receiver and the working efficiency of the whole circuit system by determining the induction unit in the receiver circuit, can enhance the anti-interference performance of the receiver circuit, reduce errors and realize the correct transmission and analysis of signals.

Wherein the sensing unit refers to a part of the receiver circuit consisting of an inductor or a sensor, optionally the sensing unit may be realized by electromagnetic field analysis means such as: ANSYS, COMSOL, etc.

According to the invention, the gain electric energy is converted by utilizing the rectifying module in the induction unit to obtain the converted electric energy corresponding to the receiver circuit, so that the electric energy can be regulated and optimized, and the adaptation of the receiver circuit to different power requirements is satisfied.

The converted electric energy is electric energy obtained after conversion treatment by the rectifying module in the induction unit.

As an embodiment of the present invention, the converting the gain power by using the rectifying module in the sensing unit to obtain the converted power corresponding to the receiver circuit includes: identifying a connection port of the rectifying module; configuring control parameters of the rectifying module based on the connection port; monitoring the operation procedure of the rectifying module based on the control parameter; inquiring the processing state in the operation procedure; and converting the gain electric energy based on the processing state to obtain converted electric energy corresponding to the receiver circuit.

The connection port is a physical interface or port for connecting the rectifying module with other equipment; the control parameters are parameters which can be configured and adjusted in the rectifying module and are used for controlling the work of the rectifying module; the operation state refers to each working step and process of the rectifying module, including processing, converting and outputting of input electric energy; the operation procedure refers to; the processing state refers to a state of the rectifying module in the process of energy conversion in an operation procedure, such as conversion efficiency, waveform quality and the like.

Further, the connection port can be obtained through visual modeling tool identification; the control parameters may be obtained by numerical calculation software, such as: MATLAB, python, etc.; the operating state can be obtained through sensor monitoring, such as: a current sensor, a temperature sensor, etc.; the operation procedure can be obtained through a process modeling tool; the processing state may be obtained by a state recognition tool.

The invention filters the converted electric energy by utilizing the filtering module in the induction unit to obtain pure electric energy, can effectively remove noise, harmonic waves and other impure components in the electric energy, is beneficial to improving the quality of the electric energy, saving energy and reducing emission and the reliable operation of equipment,

Wherein, the pure electric energy refers to electric energy without any impurity, pollutant or other impure substances.

As an embodiment of the present invention, the filtering the converted electric energy by using a filtering module in the sensing unit to obtain pure electric energy includes: identifying a filtering range of the filtering module; inquiring the corresponding working parameters of the filtering module based on the filtering range; extracting corresponding signal characteristics in the working parameters; monitoring the output frequency wave of the signal characteristics; and filtering the converted electric energy based on the output frequency wave to obtain pure electric energy corresponding to the induction unit.

The filtering range is a frequency range which only allows signals in a specific frequency range to pass through and can be filtered by the filtering module; the working parameters refer to specific working parameters of the filtering module obtained according to the filtering range query, such as: cut-off frequency, gain, etc.; the signal characteristics refer to certain characteristics of a specific signal corresponding to the working parameter after the specific signal passes through the filtering module; the output frequency wave is an electric wave signal with pure electric energy characteristics, which is output from the induction unit after the electric energy is filtered.

Further, the filtering range can be obtained through frequency response curve realization; the operating parameters may be obtained by a filter design software implementation, such as: signal Processing Toolbox, NI Multisim, etc.; the signal characteristics can be obtained by a characteristic extraction method, such as: time domain analysis, frequency domain analysis, wavelet transformation, spectral analysis, etc.; the output frequency wave may be obtained by a signal measuring device, such as: oscilloscopes, filters, etc.

The invention identifies the receiving coil in the receiver circuit based on the pure electric energy, can wirelessly transmit the electric energy to the receiving equipment, realizes the convenience of charging without plugging and unplugging a power line, and improves the flexibility and the safety of charging.

Wherein, the receiving coil refers to an important component in a wireless charging system for receiving pure electric energy transmission, and optionally, the receiving coil can be obtained through a circuit analysis tool, such as: SPICE, PSpice, LTspice, etc.

And S5, identifying a charging unit in the control protection circuit, performing overcurrent protection on the pure electric energy by using the charging unit to obtain protection current corresponding to the control protection circuit, and detecting the working state of each unit in the control protection circuit based on the protection current.

The invention can monitor the charging condition of the battery or the energy storage device in time by identifying the charging unit in the control protection circuit, and avoid overcharge or overdischarge, thereby prolonging the service life and improving the safety.

The charging unit is a component or a module responsible for charging a battery or an energy storage device in the control and protection circuit; alternatively, the charging unit may be obtained by a control algorithm, such as: PID control, fuzzy control, optimal control, etc.

According to the invention, the pure electric energy is subjected to overcurrent protection by using the charging unit, so that the protection current corresponding to the control protection circuit is obtained, the excessive current flowing in the battery or the energy storage device in the charging process can be effectively prevented, and the equipment or the system is prevented from being failed or damaged due to overload, so that the charging efficiency and the charging quality are improved.

Wherein the protection current refers to a threshold current set in the control protection circuit.

As an embodiment of the present invention, the performing, by using the charging unit, over-current protection on the pure electric energy to obtain a protection current corresponding to the control protection circuit includes: connecting the charging unit with a power supply circuit corresponding to the pure electric energy; setting a protection threshold corresponding to the pure electric energy on the power supply line; monitoring a pure output current in the pure electrical energy; triggering an overcurrent protection mechanism if the pure output current exceeds the protection threshold; based on the overcurrent protection mechanism, disconnecting the pure output current of the charging unit to obtain an overcurrent protection action corresponding to the overcurrent protection mechanism; obtaining a protection current corresponding to the control protection circuit based on the overcurrent protection action; and if the pure output current does not exceed the protection threshold value, taking the pure output current as the protection current corresponding to the control protection circuit.

The power supply circuit is a circuit for connecting the charging unit and the pure electric energy; the protection threshold value is the maximum acceptable output current value of the pure electric energy set on the power supply line; the net output current refers to a current output from the charging unit; the over-current protection mechanism is that when the output current exceeds the protection threshold value, corresponding protection actions are triggered to protect the charging unit and other devices or systems; the overcurrent protection action refers to a measure triggered according to the overcurrent protection mechanism.

Further, the power supply line can be obtained through a tide calculation algorithm; the protection threshold may be obtained by a protection device setting tool, such as: DIGSI, schneider Electric, etc.; the net output current may be obtained by an electrical load model; the overcurrent protection action can be obtained by a real-time monitoring tool, such as: SCADA, tele-terminal, etc.

The invention detects the working state of each unit in the control protection circuit based on the protection current, can know the normal operation condition of each unit, and can find out the fault unit in time and maintain or replace the fault unit, thereby improving the reliability and stability of the whole control protection system, saving energy and prolonging the service life of equipment.

The working state refers to a normal operation state of each unit in the control protection circuit, and optionally, the working state can be obtained through various sensors, such as: temperature sensors, pressure sensors, vibration sensors, etc.

S6, based on the loss power, the transmitting coil, the receiving coil and the working state, constructing a wireless charging model corresponding to the watch to be charged, integrating the charging circuit into a charging element in the watch to be charged by using the wireless charging model, designing a wireless charging base matched with the charging element, and enabling the part of the charging element in the watch to be charged to be in contact with the wireless charging base so as to realize wireless charging of the watch to be charged.

According to the invention, based on the loss power, the transmitting coil, the receiving coil and the working state, the wireless charging model corresponding to the watch to be charged is constructed, so that the electric energy is transmitted to the watch to be charged by utilizing electromagnetic induction between the transmitting coil and the receiving coil, the risk of direct contact with a power supply is avoided, and the safety of the charging process is improved.

The wireless charging model is a model constructed by a charging mode of transmitting electric energy from a transmitter to a receiver, and optionally, the wireless charging model can be obtained through electromagnetic field modeling, such as: finite element methods, finite difference methods, and the like.

According to the invention, the charging circuit is integrated into the charging element in the watch to be charged by utilizing the wireless charging model, so that the convenience, efficiency and reliability of charging can be improved, and the damage and abrasion caused by frequent plugging and unplugging of the charging interface are avoided.

The charging element is used for receiving wireless energy transmission and converting the wireless energy transmission into electric energy for charging in the watch to be charged.

As one embodiment of the present invention, the integrating the charging circuit into the charging element in the watch to be charged using the wireless charging model includes: based on the wireless charging model, manufacturing a charging circuit board corresponding to the watch to be charged; connecting the charging circuit board with an electronic element in the watch to be charged to obtain a connecting circuit corresponding to the charging circuit; detecting line power in the connection line; calculating the charging efficiency of the charging circuit based on the line power; and based on the charging efficiency, after the charging component corresponding to the charging circuit is packaged, integrating the charging component into a charging element in the watch to be charged.

Wherein the charging circuit board is a circuit board formed by wiring and assembling electronic components; the connecting circuit is a wire or other connecting modes for connecting the charging circuit board with the electronic element in the watch to be charged; the line power refers to electric energy transmitted in the connecting line; the charging efficiency refers to the proportion of the charging circuit that the charging circuit converts the input electric energy into effective charging energy received by a charging element in the watch to be charged; the charging means refers to the transmission of electrical energy from a charging circuit to a charging element in the watch to be charged.

Further, the charging circuit board may be obtained through a circuit design software implementation, such as: cadence, aluminum Designer, etc.; the connection circuit can be obtained through the realization of a wiring function in circuit design software; the circuit power test instrument is realized by the following steps: oscilloscopes, multimeters, and the like; the charging efficiency can be calculated by the following formula.

As an embodiment of the present invention, the calculating the charging efficiency of the charging circuit based on the line power includes:

According to the wireless charging device, the wireless charging base matched with the charging element is designed, and the position of the charging element in the watch to be charged is contacted with the wireless charging base, so that higher charging efficiency can be provided, and the transmission stability of a charging signal and the optimization of a charging effect are ensured due to the matching design of the charging base and the charging element, so that the wireless charging of the watch to be charged is realized.

The wireless charging base refers to a device capable of providing electric energy for equipment to be charged without cable connection, and optionally, the wireless charging base can be obtained through a magnetic resonance model.

Fig. 2 is a functional block diagram of a wireless charging device based on a smart watch according to an embodiment of the present invention.

The wireless charging device 200 based on the smart watch can be installed in electronic equipment. Depending on the functions implemented, the smart watch-based wireless charging device 200 may include a charging circuit module 201, a loss power calculation module 202, a transmit coil identification module 203, a receive coil identification module 204, a unit detection module 205, and a charging matching module 206. The module of the invention, which may also be referred to as a unit, refers to a series of computer program segments, which are stored in the memory of the electronic device, capable of being executed by the processor of the electronic device and of performing a fixed function.

In the present embodiment, the functions concerning the respective modules/units are as follows:

the charging circuit module 201 is configured to obtain a watch to be charged, identify a wireless charging standard of the watch to be charged, and design a charging circuit corresponding to the watch to be charged based on the wireless charging standard, where the charging circuit includes: a power management circuit, a transmitter circuit, a receiver circuit, and a control protection circuit;

the power loss calculation module 202 is configured to identify a power control unit in the power management circuit, transmit a control current by using a transmitting module in the power control unit, perform voltage adjustment on the control current by using an adjusting module in the power control unit, obtain an adjustment voltage corresponding to the power control unit, and calculate power loss corresponding to the power management circuit based on the control current and the adjustment voltage;

The transmitting coil identification module 203 is configured to determine an electrical energy unit in the transmitter circuit, gain electrical energy in the power management circuit by using the electrical energy unit, obtain gain electrical energy corresponding to the transmitter circuit, and identify a transmitting coil in the transmitter circuit based on the gain electrical energy;

the receiving coil identification module 204 is configured to determine an induction unit in the receiver circuit, convert the gain electric energy by using a rectifying module in the induction unit to obtain converted electric energy corresponding to the receiver circuit, filter the converted electric energy by using a filtering module in the induction unit to obtain pure electric energy, and identify a receiving coil in the receiver circuit based on the pure electric energy;

the unit detection module 205 is configured to identify a charging unit in the control protection circuit, perform over-current protection on the pure electric energy by using the charging unit, obtain a protection current corresponding to the control protection circuit, and detect a working state of each unit in the control protection circuit based on the protection current;

the charging matching module 206 is configured to construct a wireless charging model corresponding to the watch to be charged based on the power loss, the transmitting coil, the receiving coil and the working state, integrate the charging circuit into a charging element in the watch to be charged by using the wireless charging model, design a wireless charging base matched with the charging element, and contact a part of the charging element in the watch to be charged with the wireless charging base so as to realize wireless charging of the watch to be charged.

In detail, each module in the wireless charging device 300 based on the smart watch in the embodiment of the present invention adopts the same technical means as the wireless charging method based on the smart watch in the drawings when in use, and can produce the same technical effects, which are not described here again.

Fig. 3 is a schematic structural diagram of an electronic device for implementing a wireless charging method based on a smart watch according to the present invention.

The electronic device may comprise a processor 30, a memory 31, a communication bus 32 and a communication interface 33, and may further comprise a computer program stored in the memory 31 and executable on the processor 30, such as an artificial intelligence based engineering safety supervisor.

The processor 30 may be formed by an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, including one or more central processing units (Central Processing unit, CPU), a microprocessor, a digital processing chip, a graphics processor, a combination of various control chips, and so on. The processor 30 is a Control Unit (Control Unit) of the electronic device, connects various components of the entire electronic device using various interfaces and lines, executes or executes programs or modules (e.g., an artificial intelligence-based engineering safety supervision program, etc.) stored in the memory 31, and invokes data stored in the memory 31 to perform various functions of the electronic device and process the data.

The memory 31 includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 31 may in some embodiments be an internal storage unit of the electronic device, such as a mobile hard disk of the electronic device. The memory 31 may also be an external storage device of the electronic device in other embodiments, for example, a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the electronic device. Further, the memory 31 may also include both an internal storage unit and an external storage device of the electronic device. The memory 31 may be used not only for storing application software installed in an electronic device and various types of data, such as codes of a database-configured connection program, but also for temporarily storing data that has been output or is to be output.

The communication bus 32 may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. The bus is arranged to enable a connection communication between the memory 31 and at least one processor 30 or the like.

The communication interface 33 is used for communication between the electronic device 3 and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and/or a wireless interface (e.g., WI-FI interface, bluetooth interface, etc.), typically used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a Display (Display), an input unit such as a Keyboard (Keyboard), or alternatively a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the electronic device and for displaying a visual user interface.

Fig. 3 shows only an electronic device with components, and it will be understood by those skilled in the art that the structure shown in fig. 3 is not limiting of the electronic device and may include fewer or more components than shown, or may combine certain components, or a different arrangement of components.

For example, although not shown, the electronic device may further include a power source (such as a battery) for supplying power to the respective components, and preferably, the power source may be logically connected to the at least one processor 30 through a power management device, so that functions of charge management, discharge management, power consumption management, and the like are implemented through the power management device. The power supply may also include one or more of any of a direct current or alternating current power supply, recharging device, power failure detection circuit, power converter or inverter, power status indicator, etc. The electronic device may further include various sensors, bluetooth modules, wi-Fi modules, etc., which are not described herein.

It should be understood that the embodiments described are for illustrative purposes only and are not limited in scope by this configuration.

The database-configured connection program stored in the memory 31 in the electronic device is a combination of a plurality of computer programs, which, when run in the processor 30, can implement:

In particular, the specific implementation method of the processor 30 on the computer program may refer to the description of the relevant steps in the corresponding embodiment of fig. 1, which is not repeated herein.

Further, the electronic device integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a non-volatile computer readable storage medium. The storage medium may be volatile or nonvolatile. For example, the computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer memory, a Read-only memory (ROM).

The present invention also provides a storage medium storing a computer program which, when executed by a processor of an electronic device, can implement:

In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.

The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The wireless charging method based on the intelligent watch is characterized by comprising the following steps:

2. The wireless charging method based on the smart watch according to claim 1, wherein the designing the charging circuit corresponding to the watch to be charged based on the wireless charging standard includes:

identifying an operating power of the charging element;

3. The wireless charging method based on the smart watch according to claim 1, wherein the voltage adjustment of the control current by using the adjustment module in the power control unit, to obtain the adjustment voltage corresponding to the power control unit, includes:

Inquiring a voltage regulation range of the target voltage;

4. The smart watch-based wireless charging method of claim 1, wherein the calculating the power loss corresponding to the power management circuit based on the control current and the regulated voltage comprises:

5. The wireless charging method based on the smart watch according to claim 1, wherein the gain of the circuit power in the power management circuit by the power unit to obtain the gain power corresponding to the transmitter circuit comprises:

6. The wireless charging method based on the smart watch according to claim 1, wherein the converting the gain power by using the rectifying module in the sensing unit to obtain the converted power corresponding to the receiver circuit comprises:

7. The wireless charging method based on the smart watch according to claim 1, wherein the filtering the converted electric energy by using a filtering module in the sensing unit to obtain pure electric energy comprises:

identifying a filtering range of the filtering module;

8. The smart watch-based wireless charging method of claim 1, wherein the integrating the charging circuit into the charging element in the watch to be charged using the wireless charging model comprises:

detecting line power in the connection line;

9. The smart watch-based wireless charging method of claim 8, wherein the calculating the charging efficiency of the charging circuit based on the line power comprises:

10. A wireless charging device based on a smart watch for performing the wireless charging method based on a smart watch according to any one of claims 1-9, said device comprising: