CN112398206B - Charging box and charging control method thereof - Google Patents

Charging box and charging control method thereof Download PDF

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Publication number
CN112398206B
CN112398206B CN202011406535.0A CN202011406535A CN112398206B CN 112398206 B CN112398206 B CN 112398206B CN 202011406535 A CN202011406535 A CN 202011406535A CN 112398206 B CN112398206 B CN 112398206B
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charging
module
battery
wireless charging
voltage
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CN112398206A (en
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陈飙鹏
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Shenzhen Zowee Technology Co Ltd
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Shenzhen Zowee Technology Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a charging box and a charging control method thereof, and belongs to the technical field of charging. The charging box includes: the wireless charging and transmitting-receiving module is used for receiving the electromagnetic waves sent by the wireless charging and transmitting seat, converting the electromagnetic waves into a direct-current power supply, generating the electromagnetic waves and transmitting the electromagnetic waves; the battery charging and boosting module is used for converting the voltage input through the USB input interface or the voltage output by the wireless charging and receiving module into a preset voltage, charging the battery of the charging box, controlling the power supply of the battery of the charging box to be boosted to a preset voltage, and controlling the intelligent terminal connected with the USB output interface and the metal contact to be charged; the MCU control module is respectively connected with the wireless charging transceiver module and the battery charging boosting module and is used for detecting the working state of each module in real time and automatically making corresponding logic control according to the working state of each module. The portable charging box can realize mobile charging for various intelligent devices by only carrying one charging box, reduces the load of carrying when people go out, and is convenient and quick.

Description

Charging box and charging control method thereof
Technical Field
The invention relates to the field of mobile charging, in particular to a charging box and a charging control method thereof.
Background
In recent years, wearable and portable electronic devices, such as wireless bluetooth headsets, smart watches, smart phones and the like, are increasingly used in life, and the various mobile devices generally have a built-in battery, and after the battery is used, the mobile devices need to be charged to be used continuously, and there is a high demand for charging the various mobile devices.
In the above-mentioned various mobile devices, the general charging specifications are different depending on the device design, and the chargers are generally not universal and are equipped with their own specific chargers. In the actual use process, a user generally carries two or more mobile devices at the same time, and needs to carry corresponding chargers to charge the mobile devices in order to guarantee endurance, so that the user needs to carry a plurality of chargers with different specifications, the carrying burden of the user is increased, the portability is reduced, and the user experience is influenced.
Disclosure of Invention
In view of this, according to the charging box and the charging control method thereof provided by the embodiments of the present invention, one charging box is used to provide a solution for centralized mobile charging for a user, and the user only needs to carry one charging box to realize mobile charging for various intelligent terminals such as a TWS headset, a smart watch, a smart phone, and the like, so that the burden of carrying the charging box out of a room is reduced, and the charging box and the charging control method thereof are convenient and fast, thereby improving user experience.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of an embodiment of the present invention, there is provided a charging box for charging an intelligent terminal, the charging box including: the wireless charging transceiver module, the battery charging boosting module, the MCU control module, the USB input interface, the USB output interface and the metal contact; wherein:
the wireless charging and receiving module is used for receiving electromagnetic waves sent by the wireless charging and sending seat, converting the electromagnetic waves into a direct-current power supply, and sending the generated electromagnetic waves out;
the battery charging and boosting module is used for converting the voltage input through the USB input interface or the voltage output by the wireless charging and receiving module into a preset voltage, charging the battery in the charging box, getting power from the battery in the charging box, boosting the voltage output by the battery to a preset voltage and then outputting the boosted voltage to the USB output interface and the metal contact which are connected with the battery;
the charging and boosting module is respectively connected with the wireless charging and receiving module and the MCU control module and is used for controlling the voltage output from the wireless charging and receiving module to be output to a metal contact, or the charging and boosting module is connected with the battery charging and boosting module and is used for outputting the voltage output from the battery charging and boosting module to the metal contact;
the MCU control module is respectively connected with the wireless charging and receiving module and the battery charging and boosting module, and is used for detecting the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time and automatically making corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module; the method comprises the following steps: the MCU control module detects that a cover of the charging box is opened and detects that the working state of the charging boosting module changes, then judges that the contact type intelligent terminal is in contact with a metal contact in the charging box, controls the battery charging boosting module to take electricity from a battery in the charging box, boosts the voltage output by the battery to a preset voltage and then outputs the preset voltage to the charging boosting module, or controls the voltage output by the wireless charging receiving and sending module to the charging boosting module, and then controls the charging boosting module to output the voltage to the metal contact so as to charge the contact type intelligent terminal connected with the metal contact.
In one possible design, the wireless charging and receiving module is internally provided with a single coil, and comprises two working modes: a wireless charging transmission mode and a wireless charging receiving mode;
in the wireless charging and transmitting mode, electricity is taken from a battery of the charging box, electromagnetic waves generated by the voltage after the voltage output by the battery is boosted are transmitted out through the coil, and wireless charging is performed on the intelligent terminal after communication handshake with the intelligent terminal through the coil is completed;
under the wireless receiving mode that charges, receive the electromagnetic wave that wireless transmission seat sent through the coil to convert the electromagnetic wave into DC power supply and save in the battery or for accomodating the intelligent terminal charging in the box that charges.
In one possible design, the charging box comprises a key, and the key is connected with the MCU control module and used for providing a trigger signal for switching the working mode for the MCU control module, so that the MCU control module controls the wireless charging transceiver module to switch the working mode between the wireless charging transmitting mode and the wireless charging receiving mode.
In one possible design, the charging and boosting module is connected with the USB input interface and is used for outputting the voltage input by the USB input interface to the metal contact.
In one possible design, the MCU control module detects the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time, and automatically performs corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module; the method comprises the following steps:
and the MCU control module detects that the wireless charging transceiver module receives electromagnetic wave energy, judges that the wireless charging transceiver module enters a wireless charging receiving mode, and controls to automatically start wireless charging for the battery in the charging box.
In one possible design, the MCU control module detects the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time, and automatically makes corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module; the method comprises the following steps:
the MCU control module judges that the wireless charging transceiver module enters a wireless charging transmitting mode when detecting that a key of the charging box is pressed and triggered, controls the wireless charging transceiver module to communicate with an intelligent terminal through a coil to handshake, and wirelessly charges the intelligent terminal; or/and (c) the first and/or second,
and the MCU control module detects that the working state of the battery charging and boosting module changes, judges that the USB output interface of the charging box is inserted into the intelligent terminal and controls the output voltage to charge the inserted intelligent terminal.
According to another aspect of the embodiments of the present invention, there is provided a charging control method for a charging box, for charging an intelligent terminal, the charging box including: the wireless charging and receiving module, the battery charging and boosting module, the charging and boosting module and the MCU control module are respectively connected with the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module; the method comprises the following steps:
the MCU control module detects the working states of the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module in real time;
the MCU control module automatically makes corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module, and the MCU control module comprises: the MCU control module detects that a cover of the charging box is opened and detects that the working state of the charging boosting module changes, then judges that the contact type intelligent terminal is in contact with a metal contact in the charging box, controls the battery charging boosting module to take electricity from a battery in the charging box, boosts the voltage output by the battery to a preset voltage and then outputs the preset voltage to the charging boosting module, or controls the voltage output by the wireless charging receiving and sending module to the charging boosting module, and then controls the charging boosting module to output the voltage to the metal contact so as to charge the contact type intelligent terminal connected with the metal contact.
In one possible design, the MCU control module detects the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time, and automatically performs corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module; the method comprises the following steps:
when the MCU control module detects that the working state of the battery charging and boosting module changes, the USB output interface of the charging box is judged to be inserted into the intelligent terminal, and the output voltage is controlled to charge the inserted intelligent terminal;
the MCU control module judges that the wireless charging transceiver module enters a wireless charging receiving mode when detecting that the wireless charging transceiver module receives electromagnetic wave energy, and controls to automatically start wireless charging for the battery in the charging box;
the MCU control module detects that a key of the charging box is pressed to trigger, then judges that the wireless charging transceiver module enters a wireless charging transmitting mode, controls the wireless charging transceiver module to communicate with the intelligent terminal through a coil, and wirelessly charges the intelligent terminal.
Compared with the prior art, the charging box and the charging control method thereof provided by the embodiment of the invention charge the intelligent terminal, and the charging box comprises: the device comprises a wireless charging transceiver module, a battery charging boosting module, an MCU control module, a USB input interface, a USB output interface and a metal contact; wherein: the wireless charging and transmitting-receiving module is used for receiving electromagnetic waves sent by the wireless charging and transmitting seat, converting the electromagnetic waves into a direct-current power supply, and sending the generated electromagnetic waves out; the battery charging and boosting module is used for converting the voltage input through the USB input interface or the voltage output by the wireless charging and receiving module into a preset voltage, charging the battery in the charging box, controlling the battery of the charging box to get electricity, boosting the voltage output by the battery to a preset voltage, and controlling the intelligent terminal connected with the USB output interface and the metal contact to be charged after the voltage is boosted to the preset voltage; the MCU control module is respectively connected with the wireless charging transceiver module and the battery charging boosting module and is used for detecting the working state of each module in real time and automatically making corresponding logic control according to the working state of each module. According to the embodiment of the invention, the charging box comprises a wireless charging receiving and transmitting module, a battery charging boosting module and an MCU control module, the MCU control module detects the working state of each module in real time and automatically makes corresponding logic control according to the working state of each module, so that the charging box has high intelligent degree, automatic identification of load equipment insertion can realize a wireless charging bidirectional function, one charging box is used for providing a solution for centralized mobile charging for a user, the charging box becomes a centralized energy supply station of intelligent portable equipment, and the user can realize mobile charging for various intelligent terminals such as TWS earphones, intelligent watches, intelligent mobile phones and the like only by carrying the charging box, thereby reducing the load of carrying out, being convenient and fast and improving the user experience.
Drawings
Fig. 1 is a schematic structural diagram of a charging box according to the present invention.
Fig. 2 is a schematic structural diagram of a charging box according to the present invention.
Fig. 3 is a schematic structural diagram of a charging box according to the present invention.
Fig. 4 is a schematic structural diagram of a charging box according to the present invention.
Fig. 5 is a schematic circuit structure diagram of a wireless charging transceiver module in a charging box according to the present invention.
Fig. 6 is a schematic diagram of a circuit structure of a wireless charging transceiver module in a charging box according to the present invention, which is turned on in a wireless charging receiving mode.
Fig. 7 is a schematic diagram of a circuit structure of a wireless charging transceiver module in a charging box according to the present invention, which is turned on in a wireless charging transmission mode.
Fig. 8 is a schematic circuit diagram of a battery charging voltage boosting module in a charging box according to the present invention.
Fig. 9 is a schematic diagram of a circuit structure in which a battery charging boosting module in a charging box outputs a battery in the charging box for charging an intelligent terminal according to the present invention.
Fig. 10 is a schematic diagram of a circuit structure of a battery charging voltage boosting module in a charging box according to the present invention, which receives an external USB input to charge a battery in the charging box.
Fig. 11 is a schematic circuit structure diagram of an MCU control module in the charging box according to the present invention.
Fig. 12 is a schematic circuit diagram of a charging boost module in a charging box according to the present invention.
Fig. 13 is a schematic diagram of an auxiliary circuit structure of a charging voltage boosting module in a charging box according to the present invention.
Fig. 14 is a schematic flowchart of a charging control method for a charging box according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clear and obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In one embodiment, as shown in fig. 1, the present invention provides a charging box for charging an intelligent terminal, the charging box including: a wireless charging transceiver module 10, a battery charging booster module 20, an MCU (micro controller Unit) control module 40, a USB input interface 70, a USB output interface 80, and a metal contact 60; wherein:
the wireless charging transceiver module 10 is used for receiving electromagnetic waves emitted by the wireless charging and emitting seat, converting the electromagnetic waves into a direct current power supply, generating the electromagnetic waves and emitting the electromagnetic waves to enable the intelligent terminal to wirelessly charge.
The battery charging and boosting module 20 is used for charging the battery in the charging box by using the 5V voltage input by the USB input interface 70 or the 5V voltage output by the wireless charging and receiving module 10; the battery charging and boosting module 20 is further configured to obtain power from a battery in the charging box, boost the voltage output by the battery to 5V, and output the voltage to the USB output interface 80 and the metal contact 60, so as to charge the intelligent terminal connected to the USB output interface 80 and the metal contact 60, where the voltage output by the USB output interface 80 may be used for charging the USB intelligent terminal, and the voltage output by the metal contact 60 may be used for charging the contact type intelligent terminal.
The MCU control module 40 is respectively connected with the wireless charging and receiving module 10 and the battery charging and boosting module 20, and is used for detecting the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time and automatically making corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module.
The charging box disclosed in this embodiment is provided with the Wireless charging transceiver module 10, the battery charging booster module 20 and the MCU control module 40, and the MCU control module 40 detects the working states of the Wireless charging transceiver module 10, the battery charging booster module 20 and other modules in real time, and automatically performs corresponding logic control according to the working states of the modules, so that the charging box has a high intelligent degree of charging, can automatically recognize the insertion of a load device, and can implement a Wireless charging bidirectional function.
In one embodiment, as shown in fig. 2, the charging box further includes a charging voltage boosting module 30, and the charging voltage boosting module 30 is connected to the wireless charging and receiving module 10 and the MCU control module 40, respectively, and is configured to control the 5V voltage output from the wireless charging and receiving module 10 to be output to a metal contact 60, so as to charge the contact type intelligent terminal. At this time, the battery charging voltage boosting module 20 gets electricity from the battery in the charging box, boosts the voltage output by the battery to 5V, and outputs the voltage to the USB output interface.
In one embodiment, as shown in fig. 3, the charging voltage-boosting module 30 is connected to the battery charging voltage-boosting module 20, and is configured to output the 5V voltage output by the battery charging voltage-boosting module 20 to a metal contact 60, so as to charge the contact-type intelligent terminal.
In one embodiment, as shown in fig. 4, the charging voltage boosting module 30 is connected to the USB input interface 70, and is configured to output a 5V voltage input through the USB input interface 70 to the metal contact 60, so as to charge the contact type intelligent terminal.
Preferably, the contact type intelligent terminal comprises at least one of the following: the earphone of taking the contact, the intelligent wrist-watch of taking the contact, the intelligent terminal who takes the contact connecting wire to charge.
In one embodiment, as shown in fig. 1 to 4, the wireless charging and transmitting module 10 has a single coil 11 built therein, and includes two operation modes: a wireless charging transmission mode and a wireless charging reception mode.
Under the wireless transmission mode that charges, control will get the electricity to the battery in the box that charges to the voltage to battery output steps up the electromagnetic wave that produces for 5V voltage, launches through coil 11, and is shaking hands the completion back through coil 11 and intelligent terminal communication, can begin to give intelligent terminal carries out wireless charging.
In the wireless charging receiving mode, the charging box is placed on the wireless charging transmitting seat, the coil 11 receives electromagnetic waves emitted by the wireless charging transmitting seat, and the electromagnetic waves are converted into a direct current 5V direct current power supply to be stored in a battery or charged for an intelligent terminal contained in the charging box.
Under the default condition, the wireless charging transceiver module 10 is in a wireless charging receiving module, and the wireless charging transceiver module is switched to a wireless charging transmitting mode only after the key of the charging box is pressed and triggered.
In one embodiment, as shown in fig. 1 to 4, the charging box includes a key 50, where the key 50 is connected to the MCU control module 40 and is configured to provide a trigger signal for switching an operating mode for the MCU control module 40, so that the MCU control module 40 controls the operating mode of the wireless charging transceiver module 10 to be switched between a wireless charging transmitting mode and a wireless charging receiving mode.
If the wireless charging transceiver module 10 is currently in the wireless charging receiving mode, and the key 50 is pressed at this time, the MCU control module 40 will control the operating mode of the wireless charging transceiver module 10 to switch from the wireless charging receiving mode to the wireless charging transmitting mode. If the key 50 is pressed again, the MCU control module 40 will control the operation mode of the wireless charging transceiver module 10 to switch from the wireless charging transmission mode to the wireless charging reception mode.
If the wireless charging transceiver module 10 is not currently in the wireless charging receiving mode, the key 50 is pressed at this time, the MCU control module 40 controls the operating mode of the wireless charging transceiver module 10 to enter the wireless charging transmitting mode, and if the key 50 is pressed again, the MCU control module 40 controls the wireless charging transceiver module 10 to close the operating mode of the wireless charging transmitting mode.
The charging box disclosed in the embodiment has a high intelligent degree of charging function, wireless charging transmitting and receiving functions are switched by one key, a wireless charging bidirectional function is realized by using a single coil, and a user can realize mobile charging for intelligent terminals such as TWS earphones, intelligent watches and intelligent mobile phones only by carrying the charging box disclosed by the embodiment of the invention, so that the charging box is convenient and quick, and the carrying burden of going out is reduced.
In one embodiment, the MCU control module 40 detects the working status of each module in real time, and automatically performs corresponding logic control according to the working status of each module; the method comprises the following steps:
if the MCU control module 40 detects that the cover of the charging box is opened, the indicator light displays the electric quantity of the battery in the charging box; if the MCU control module detects 40 that the operating state of the charging and boosting module 30 changes, it determines that the contact type intelligent terminal (e.g., an earphone) contacts a metal contact 60 in the charging box, controls the battery charging and boosting module 20 to take power from the battery in the charging box, boosts the voltage output by the battery to a voltage of 5V, controls the voltage to be output to the charging and boosting module 30 after boosting to the voltage of 5V, and then controls the charging and boosting module 30 to output the voltage to the metal contact 60, or controls the voltage of 5V output by the wireless charging and transmitting module 10 to be output to the charging and boosting module 30, and then controls the charging and boosting module 30 to output the voltage to the metal contact 60, so as to charge the contact type intelligent terminal connected to the metal contact.
If the MCU control module 40 detects that the operating state of the battery charging voltage-boosting module 20 changes, it determines that the USB output interface 80 of the charging box is plugged into an intelligent terminal (for example, the USB output interface of the charging box is plugged into a charging line connected to a mobile phone), and immediately controls to output a 5V voltage for charging the plugged intelligent terminal (for example, a mobile phone).
If the MCU control module 40 detects that the button 50 of the charging box is triggered by being pressed, the wireless charging transceiver module 10 is judged to enter a wireless charging transmitting mode, after the intelligent terminal is started, the wireless charging transceiver module 10 can start wireless charging for the intelligent terminal after the wireless charging transceiver module 10 communicates with the intelligent terminal through the coil 11 and shaking hands, and the MCU control module 40 drives the indicator lamp to display and enter the wireless charging transmitting mode.
If the MCU control module 40 detects that the wireless charging transceiver module receives electromagnetic wave energy, the wireless charging transceiver module 10 is judged to enter a wireless charging receiving mode, wireless charging is automatically started for the battery in the charging box, and the MCU control module 40 drives an indicator light to display and enter the wireless charging receiving mode.
Preferably, the MCU control module 40 is a high-performance low-power MCU.
In this embodiment, the MCU control module detects the operating status of each module in real time, and automatically performs corresponding logic control according to the operating status of each module, so that the charging box has a high charging intelligence, and switches the wireless charging transmitting and receiving functions by one key.
Preferably, the intelligent terminal comprises at least one of the following: smart watch, smart bracelet, smart phone, intelligent bluetooth headset, TWS earphone.
Please refer to fig. 5, fig. 6, fig. 7, fig. 8, and fig. 11, which are schematic circuit diagrams of different modules according to an embodiment of the present application. Wherein:
fig. 5 is a schematic circuit structure diagram of a wireless charging transceiver module in a charging box according to the present invention. The circuit comprises a chip U4, wherein the chip U4 is a wireless charging receiving and sending module and can enter a wireless charging receiving mode according to the control of the MCU control module U2 to wirelessly charge a battery in a charging box or control a wireless charging transmitting mode to wirelessly charge an intelligent watch.
Fig. 6 is a schematic diagram of a circuit structure of a wireless charging transceiver module in a charging box according to the present invention, which is turned on in a wireless charging receiving mode. This circuit includes MOS pipe Q7, MOS pipe Q5 and MOS pipe Q1, by MCU control module U2 control MOS pipe Q7, MOS pipe Q5 and MOS pipe Q1's the on-state to open wireless receiving mode that charges, charge for charging the battery in the box and carry out wireless charging.
Fig. 7 is a schematic diagram of a circuit structure of a wireless charging transceiver module in a charging box according to the present invention, which is turned on in a wireless charging transmission mode. This circuit includes chip U5, chip U5 can open chip U5 according to MCU control module U2's output control and open wireless transmission mode of charging for the intelligent wrist-watch wireless charging with control.
Fig. 8 is a schematic circuit diagram of a battery charging voltage boosting module in a charging box according to the present invention. The circuit comprises a chip U1, wherein the chip U1 is a battery charging and boosting module and is used for monitoring the output of the USB-OUT in real time, and once equipment is inserted into an interface J1, 5V voltage is output at the USB-OUT.
Fig. 11 is a schematic circuit structure diagram of an MCU control module in a charging box according to the present invention. The circuit comprises a chip U2, wherein the chip U2 is an MCU control module, the chip U2 is a control center, and simultaneously, the working state of each module is detected, and corresponding logic control is made according to the request of each module.
The chip U2 (fig. 11) and the chip U4 (fig. 5) control communication through a pin SCL and a pin SDA, when the charging box is placed on the wireless charging and transmitting base, the coil of the chip U4 senses the electromagnetic wave emitted by the wireless charging and transmitting base, which indicates that the chip U4 enters the wireless charging and receiving mode, and at this time, the chip U4 (fig. 5) outputs a high level at a pin WP _ INT (fig. 5), and notifies the chip U2 (fig. 11) to read the state of the chip U4 (fig. 5) through the SCL and the SDA. When the chip U2 (fig. 11) knows that the wireless charging/receiving module receives electromagnetic wave energy, a high level is output at the pin VOUT-EN, and the output controls to turn on the MOS transistor Q7, the MOS transistor Q5, and the MOS transistor Q1 (fig. 6). The 5V voltage output by the chip U4 (shown in figure 5) is supplied to the chip U1 (shown in figure 8), the chip U1 (shown in figure 8) automatically starts to wirelessly charge the battery in the charging box, the electric quantity is reported to the chip U2 (shown in figure 11) through the pin IRQ, the pin SCL and the pin SDA, the chip U2 (shown in figure 11) drives the indicator lamp to display the electric quantity, and the wireless charging receiving mode is entered.
When the KEY of the pin KEY of the chip U2 (fig. 11) receives the KEY press trigger, it indicates that the wireless charging emission mode is entered, and a low level is output at the pin VOUT-EN, and the output control turns off the MOS transistor Q7, the MOS transistor Q5 and the MOS transistor Q1. Then, outputting a high level at a pin BOOST2-EN, and controlling to open a chip U5 by output (figure 7); then, a high level is output at the pin TX/RX, the output control sets the chip U4 (fig. 5) to be in a wireless charging transmission mode, and then the state of the chip U4 (fig. 5) is read through the pin SCL and the pin SDA, at this time, the wireless charging transmission mode is successfully started, and the smart watch can be wirelessly charged. At this time, the chip U2 drives the indicator light to display to enter the wireless charging transmission mode.
Please refer to fig. 8, 9 and 11. Wherein:
fig. 9 is a schematic diagram of a circuit structure in which a battery charging boosting module in a charging box outputs a battery in the charging box for charging an intelligent terminal according to the present invention. The circuit comprises an interface J1, wherein the interface J1 is connected with a chip U1.
The chip U1 (figure 8) is provided with an intelligent terminal monitoring function, can monitor USB-OUT output in real time, and once an intelligent terminal is plugged into the interface J1 (figure 9), the U1 (figure 8) outputs 5V voltage at the USB-OUT, and simultaneously sends an interrupt request at the pin IRQ, waits for the chip U2 (figure 11) to read the state of the chip U2, and correspondingly displays electric quantity.
Please refer to fig. 8, 10 and 11. Wherein:
fig. 10 is a schematic diagram of a circuit structure of a battery charging voltage boosting module in a charging box according to the present invention, which receives an external USB input to charge a battery in the charging box. The circuit comprises an interface J2, wherein the interface J2 is connected with a chip U1.
When the interface J2 (fig. 10) is plugged into the USB line, the chip U1 (fig. 8) obtains the 5V voltage input from the USB-IN, starts to charge the battery, and reports the power to the chip U2 (fig. 11) through the pins IRQ, SCL, SDA, and the chip U2 (fig. 11) drives the indicator light to display the power.
Please refer to fig. 11, 12 and 13. Wherein:
fig. 12 is a schematic circuit structure diagram of a charging boost module in a charging box according to the present invention. The circuit comprises a chip U3, wherein the chip U3 is the charging and boosting module, and the chip U3 is opened to charge the earphone according to the output control of the MCU control module U2.
Fig. 13 is a schematic diagram of an auxiliary circuit structure of a charging voltage boosting module in a charging box according to the present invention. The circuit includes an OUTL output and an OUTR output, providing an identification headset charging current for chip U3.
When the pin HALL of the chip U2 (fig. 11) receives a level change, which indicates that it is detected that the lid of the charging box is opened, the chip U2 (fig. 11) outputs a high level at the pin BOOST1-EN, the output control turns on the chip U3 (fig. 12), a voltage of 5V is output at the metal contact to charge the earphone, and then the OUTL output and the OUTR output are monitored to identify the charging current of the earphone.
In this embodiment, the box that charges includes wireless transceiver module, the battery boost module that charges, the boost module that charges, MCU control module real-time detection's above-mentioned operating condition of each module to make corresponding logic control according to the operating condition of each module is automatic, make the box that charges possess the intelligent degree of charging height, can automatic identification load equipment insert, can realize wireless two-way function of charging, use a box that charges to provide the solution that the concentrated removal was charged for the user, make the box that charges not only have the electric energy storage function, make it not only charge for the TWS earphone, can also charge for intelligent wrist-watch through wireless and standard USB mouth, the bracelet, intelligent terminal such as smart mobile phone charges, high convenience and fast, reduce and go out to carry the burden, thereby improve user experience.
In an embodiment, as shown in fig. 14, the present invention further provides a charging box charging control method, which is applied to the charging box of any of the above embodiments to charge an intelligent terminal, where the charging box includes: the wireless charging and receiving module, the battery charging and boosting module, the charging and boosting module and the MCU control module are respectively connected with the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module; the method comprises the following steps:
s1, the MCU control module detects the working states of the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module in real time;
and S2, the MCU control module automatically performs corresponding logic control according to the working state of each module.
Preferably, the MCU control module detects the working state of each module in real time and automatically makes corresponding logic control according to the working state of each module; the method comprises the following steps:
if the MCU control module detects that the cover of the charging box is opened, the indicator light displays the electric quantity of a battery in the charging box; if the MCU control module detects that the operating state of the charging and boosting module changes, it determines that the contact type intelligent terminal contacts the metal contact 60 in the charging box, controls the battery charging and boosting module 20 to take power from the battery in the charging box, boosts the voltage output by the battery to 5V, controls the voltage to be output to the charging and boosting module 30 after boosting to 5V, and then controls the charging and boosting module to output the voltage to the metal contact, or controls the wireless charging and transmitting module to output the 5V output to the charging and boosting module 30, and then controls the charging and boosting module 30 to output the voltage to the metal contact, so as to charge the contact type intelligent terminal connected to the metal contact.
If the MCU control module detects that the working state of the battery charging and boosting module changes, the USB output interface of the charging box is judged to be inserted into the intelligent terminal (for example, the USB output interface of the charging box is inserted into a charging wire connected with a mobile phone), and then 5V voltage is immediately controlled to be output for charging the inserted intelligent terminal (for example, the mobile phone).
If the MCU control module detects that a key of the charging box is pressed to trigger, the wireless charging transceiver module is judged to enter a wireless charging transmitting mode, after the intelligent terminal is started, the wireless charging transceiver module communicates with the intelligent terminal through a coil and finishes handshaking, the intelligent terminal can be charged wirelessly, and the MCU control module drives an indicator lamp to display and enter the wireless charging transmitting mode.
If the MCU control module detects that the wireless charging transceiver module receives electromagnetic wave energy, the wireless charging transceiver module is judged to enter a wireless charging receiving mode, the wireless charging of a battery in the charging box is automatically started under the control, and the MCU control module drives an indicator lamp to display and enter the wireless charging receiving mode.
The working states of the wireless charging transceiver module, the battery charging boosting module and the charging boosting module are detected in real time through the MCU control module, corresponding logic control is automatically performed according to the working states of the modules, so that the charging box has high charging intelligence, the insertion of load equipment is automatically recognized, and the wireless charging bidirectional charging function can be realized.
It should be noted that the method embodiment and the charging box embodiment belong to the same concept, and specific implementation processes thereof are described in detail in the charging box embodiment, and technical features in the charging box embodiment are correspondingly applicable in the method embodiments, and are not described herein again.
It should be noted that, in this document, 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 phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the particular illustrative embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof, which may be made by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a box charges, charges for intelligent terminal, its characterized in that, the box that charges includes: the wireless charging transceiver module, the battery charging boosting module, the MCU control module, the USB input interface, the USB output interface and the metal contact; wherein:
the wireless charging and transmitting-receiving module is used for receiving electromagnetic waves sent by the wireless charging and transmitting seat, converting the electromagnetic waves into a direct-current power supply, and sending the generated electromagnetic waves out;
the battery charging and boosting module is used for converting the voltage input through the USB input interface or the voltage output by the wireless charging and receiving module into a preset voltage, charging the battery in the charging box, getting electricity from the battery in the charging box, boosting the voltage output by the battery to a preset voltage, and outputting the boosted voltage to the USB output interface and the metal contact which are connected with the battery;
the charging and boosting module is respectively connected with the wireless charging and receiving module and the MCU control module and is used for controlling the voltage output from the wireless charging and receiving module to be output to a metal contact, or the charging and boosting module is connected with the battery charging and boosting module and is used for outputting the voltage output from the battery charging and boosting module to the metal contact;
the MCU control module is respectively connected with the wireless charging and receiving module and the battery charging and boosting module, and is used for detecting the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module in real time and automatically making corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module; the method comprises the following steps: the MCU control module detects that a cover of the charging box is opened and detects that the working state of the charging boosting module changes, then judges that the contact type intelligent terminal is in contact with a metal contact in the charging box, controls the battery charging boosting module to take electricity from a battery in the charging box, boosts the voltage output by the battery to a preset voltage and then outputs the preset voltage to the charging boosting module, or controls the voltage output by the wireless charging receiving and sending module to the charging boosting module, and then controls the charging boosting module to output the voltage to the metal contact so as to charge the contact type intelligent terminal connected with the metal contact.
2. The charging box of claim 1, wherein the wireless charging transceiver module is built-in with a single coil, and comprises two operation modes: a wireless charging transmitting mode and a wireless charging receiving mode;
in the wireless charging and transmitting mode, electricity is taken from a battery of the charging box, electromagnetic waves generated by the voltage after the voltage output by the battery is boosted are transmitted out through a coil, and after the communication handshake with the intelligent terminal is completed through the coil, the intelligent terminal is wirelessly charged;
under the wireless receiving mode that charges, receive the electromagnetic wave that wireless transmitter socket sent through the coil to convert the electromagnetic wave into DC power supply and save in the battery or for accomodating the intelligent terminal that charges in the box charges.
3. The charging box according to claim 2, wherein the charging box comprises a button, and the button is connected with the MCU control module and is used for providing a trigger signal for switching the operating mode to the MCU control module, so that the MCU control module controls the wireless charging transceiver module to switch the operating mode between the wireless charging transmitting mode and the wireless charging receiving mode.
4. The charging box according to claim 1, wherein the charging voltage boosting module is connected to the USB input interface, and is configured to output a voltage input from the USB input interface to the metal contact.
5. The charging box according to claim 2, wherein the MCU control module detects the operating states of the charging voltage boosting module, the wireless charging transceiver module and the battery charging voltage boosting module in real time, and automatically performs corresponding logic control according to the operating states of the charging voltage boosting module, the wireless charging transceiver module and the battery charging voltage boosting module; the method comprises the following steps:
and the MCU control module detects that the wireless charging transceiver module receives electromagnetic wave energy, judges that the wireless charging transceiver module enters a wireless charging receiving mode, and controls to automatically start wireless charging for the battery in the charging box.
6. A charging box according to claim 3, wherein said MCU control module detects the operating status of said charging voltage-boosting module, said wireless charging transceiver module and said battery charging voltage-boosting module in real time, and automatically makes corresponding logic control according to the operating status of said charging voltage-boosting module, said wireless charging transceiver module and said battery charging voltage-boosting module; the method comprises the following steps:
the MCU control module judges that the wireless charging transceiver module enters a wireless charging transmitting mode when detecting that a key of the charging box is pressed and triggered, controls the wireless charging transceiver module to communicate with an intelligent terminal through a coil to handshake, and wirelessly charges the intelligent terminal; and/or the first and/or second light sources,
and the MCU control module detects that the working state of the battery charging and boosting module changes, judges that the USB output interface of the charging box is inserted into the intelligent terminal and controls the output voltage to charge the inserted intelligent terminal.
7. A charging control method of a charging box is used for charging an intelligent terminal, and is characterized in that the charging box comprises: the wireless charging and receiving module, the battery charging and boosting module, the charging and boosting module and the MCU control module are respectively connected with the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module; the method comprises the following steps:
the MCU control module detects the working states of the wireless charging and receiving module, the battery charging and boosting module and the charging and boosting module in real time;
the MCU control module automatically makes corresponding logic control according to the working states of the charging and boosting module, the wireless charging and receiving module and the battery charging and boosting module, and the MCU control module comprises: the MCU control module detects that a cover of the charging box is opened and detects that the working state of the charging boosting module changes, then judges that the contact type intelligent terminal is in contact with a metal contact in the charging box, controls the battery charging boosting module to take electricity from a battery in the charging box, boosts the voltage output by the battery to a preset voltage and then outputs the preset voltage to the charging boosting module, or controls the voltage output by the wireless charging receiving and sending module to the charging boosting module, and then controls the charging boosting module to output the voltage to the metal contact so as to charge the contact type intelligent terminal connected with the metal contact.
8. The method according to claim 7, wherein the MCU control module detects the working states of the charging voltage boosting module, the wireless charging transceiver module and the battery charging voltage boosting module in real time and automatically makes corresponding logic control according to the working states of the charging voltage boosting module, the wireless charging transceiver module and the battery charging voltage boosting module; the method comprises the following steps:
when the MCU control module detects that the working state of the battery charging and boosting module changes, the USB output interface of the charging box is judged to be inserted into the intelligent terminal, and the output voltage is controlled to charge the inserted intelligent terminal;
the MCU control module judges that the wireless charging transceiver module enters a wireless charging receiving mode when detecting that the wireless charging transceiver module receives electromagnetic wave energy, and controls to automatically start wireless charging for a battery in the charging box;
the MCU control module detects that a key of the charging box is pressed to trigger, then judges that the wireless charging transceiver module enters a wireless charging transmitting mode, controls the wireless charging transceiver module to communicate with the intelligent terminal through a coil, and wirelessly charges the intelligent terminal.
CN202011406535.0A 2020-12-04 2020-12-04 Charging box and charging control method thereof Active CN112398206B (en)

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CN202978309U (en) * 2012-08-31 2013-06-05 深圳市中远航科技有限公司 Movable power supply device
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