CN106787259A - Wireless charging method and device based on Bluetooth communication - Google Patents

Wireless charging method and device based on Bluetooth communication Download PDF

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Publication number
CN106787259A
CN106787259A CN201611076582.7A CN201611076582A CN106787259A CN 106787259 A CN106787259 A CN 106787259A CN 201611076582 A CN201611076582 A CN 201611076582A CN 106787259 A CN106787259 A CN 106787259A
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China
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charging
voltage
equipment
current
charging equipment
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CN201611076582.7A
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CN106787259B (en
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虢礼
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive

Abstract

The invention discloses a kind of wireless charging device based on Bluetooth communication, wireless charger is applied to, the wireless charger is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit, including:Sending module, for when charging equipment is detected, predeterminated voltage information to the charging equipment being sent by the first bluetooth module;First control module, for when the charging voltage received by the first bluetooth module is less than or equal to the first predeterminated voltage, controlling the charging circuit to send the first electromagnetic signal by the antenna based on the charging voltage.The invention also discloses a kind of wireless charging method based on Bluetooth communication.The low-pressure direct that the present invention realizes charging equipment is filled, and then the heating of charging equipment in charging process can be reduced by less charging voltage, reduces the energy loss in charging process, improves the charge efficiency of charging equipment.

Description

Wireless charging method and device based on Bluetooth communication
Technical field
The present invention relates to communication technical field, more particularly to a kind of wireless charging method and device based on Bluetooth communication.
Background technology
At present, wireless charging standard has three kinds:Power Matters Alliance (PMA) standard, Qi standards, Alliance for Wireless Power (A4WP) standard.Wherein Qi standards and A4WP standard applications is relatively wide.Qi standards It is standardization body --- wireless charging alliance (the Wireless Power of the first promotion wireless charging technology in the whole world Consortium, abbreviation WPC) release " wireless charging " standard, possess convenience and the big feature of versatility two, as long as there is one The mark of Qi, can be charged with the wireless charger of Qi standards;But the wireless charger of Qi standards charges and is only capable of being marked to Qi The equipment charge of knowledge, and can only once give an equipment charge.The wireless charger emphasis of A4WP standards introduce " EMR electromagnetic resonance without Line charges " technology.
When wireless charging is carried out to charging equipment, the charging modes of existing high pressure make charging equipment generate heat more Seriously, it is especially relatively low in the cell voltage of charging equipment, the waste of energy is caused because charging equipment generates heat, and then Cause the charge efficiency of charging equipment relatively low.
The content of the invention
The present invention provides a kind of wireless charging method and device based on Bluetooth communication, it is intended to solve in charging equipment The charging modes of the relatively low high pressure of cell voltage make charging equipment generate heat more serious and cause the charge efficiency of charging equipment Relatively low technical problem.
To achieve the above object, a kind of wireless charging device based on Bluetooth communication that the present invention is provided, is applied to wireless Charger, the wireless charger is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit, institute Stating the wireless charging device based on Bluetooth communication includes:
Sending module, for when charging equipment is detected, predeterminated voltage information being sent extremely by the first bluetooth module The charging equipment, wherein, when the predeterminated voltage information is received, the charging equipment is based on the predeterminated voltage The cell voltage selection charging voltage of information and the charging equipment, and the second bluetooth module feedback for passing through charging equipment The charging voltage;
First control module, for being less than or equal to first in the charging voltage received by the first bluetooth module During predeterminated voltage, the charging circuit is controlled to send the first electromagnetic signal by the antenna based on the charging voltage, so that The charging equipment is charged according to the charging voltage.
In one embodiment, the wireless charging device based on Bluetooth communication also includes:
First acquisition module, for obtaining the current cell voltage of the charging equipment by the first bluetooth module;
Second control module, for when the current cell voltage of charging equipment is more than the second predeterminated voltage, based on the Three predeterminated voltages control the charging circuit by the antenna the second electromagnetic signal of transmission so that the charging equipment according to 3rd predeterminated voltage carries out constant-voltage charge.
In one embodiment, the wireless charging device based on Bluetooth communication also includes:
Second acquisition module, for obtaining the current charging current of the charging equipment by the first bluetooth module;
3rd control module, for when the current charging current of charging equipment is more than the first predetermined current, based on the Three predeterminated voltages and the second predetermined current control the charging circuit to send electromagnetic signal by the antenna, so that described wait to fill Electric equipment is charged according to the 3rd predeterminated voltage and the second predetermined current, wherein, second predetermined current is less than described the One predetermined current.
In one embodiment, the wireless charging device based on Bluetooth communication also includes:
3rd acquisition module, for obtaining the current temperature of the charging equipment by the first bluetooth module;
4th control module, for when the current temperature of the charging equipment is more than preset temperature value, control to be described The current electric current of charging circuit reduction, to reduce the charging current of the charging equipment.
In one embodiment, the antenna includes WPC antennas and A4WP antennas, the wireless charging based on Bluetooth communication Electric installation also includes:
5th control module, fills for controlling the charging circuit to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of power mode, wherein, when three electromagnetic signals is received, charging equipment is blue by described second Tooth module feedback includes the charge information of WPC charge modes;
6th control module, during for being more than the second preset duration in the duration for sending the 3rd electromagnetic signal every time, The charging circuit is controlled to send corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, wherein, receiving During four electromagnetic signals, charging equipment is fed back by second bluetooth module includes the charge information of A4WP charge modes.
Additionally, to achieve the above object, the present invention also provides a kind of wireless charging method based on Bluetooth communication, is applied to Wireless charger, the wireless charger is provided with the first bluetooth module, charging circuit and the day being connected with the charging circuit Line, the wireless charging method based on Bluetooth communication is comprised the following steps:
When charging equipment is detected, predeterminated voltage information is sent by the first bluetooth module and to be charged is set to described It is standby, wherein, when the predeterminated voltage information is received, the charging equipment is based on the predeterminated voltage information and described treats The cell voltage selection charging voltage of charging equipment, and the second bluetooth module feedback electricity that charges for passing through charging equipment Pressure;
When the charging voltage received by the first bluetooth module is less than or equal to the first predeterminated voltage, based on institute State charging voltage and control the charging circuit by the antenna the first electromagnetic signal of transmission so that the charging equipment according to The charging voltage is charged.
In one embodiment, it is described to control the charging circuit to send the by the antenna based on the charging voltage After the step of one electromagnetic signal, the wireless charging method based on Bluetooth communication also includes:
The current cell voltage of the charging equipment is obtained by the first bluetooth module;
It is described based on the control of the 3rd predeterminated voltage when the current cell voltage of charging equipment is more than the second predeterminated voltage Charging circuit sends the second electromagnetic signal by the antenna, so that the charging equipment carries out perseverance according to the 3rd predeterminated voltage Pressure charges.
In one embodiment, the 3rd predeterminated voltage that is based on controls the charging circuit to send the by the antenna After the step of two electromagnetic signals, the wireless charging method based on Bluetooth communication also includes:
The current charging current of the charging equipment is obtained by the first bluetooth module;
It is pre- based on the 3rd predeterminated voltage and second when the current charging current of charging equipment is more than the first predetermined current If charging circuit described in current control sends electromagnetic signal by the antenna, so that the charging equipment is default according to the 3rd Voltage and the second predetermined current are charged, wherein, second predetermined current is less than first predetermined current.
In one embodiment, the 3rd predeterminated voltage that is based on controls the charging circuit to send the by the antenna After the step of two electromagnetic signals, the wireless charging method based on Bluetooth communication also includes:
The current temperature of the charging equipment is obtained by the first bluetooth module;
When the current temperature of the charging equipment is more than preset temperature value, control the charging circuit reduction current Electric current, to reduce the charging current of the charging equipment.
In one embodiment, the antenna includes WPC antennas and A4WP antennas, described to pass through the transmission of the first bluetooth module Before the step of predeterminated voltage information to charging equipment, the wireless charging method based on Bluetooth communication also includes:
The charging circuit is controlled to send WPC charge modes the corresponding 3rd by WPC antennas every the first preset duration Electromagnetic signal, wherein, when three electromagnetic signals is received, charging equipment is fed back by second bluetooth module to be included The charge information of WPC charge modes;
When the duration for sending the 3rd electromagnetic signal every time is more than the second preset duration, the charging circuit is controlled to lead to Cross A4WP antennas and send corresponding 4th electromagnetic signal of A4WP charge modes, wherein, when four electromagnetic signals is received, wait to fill Electric equipment is fed back by second bluetooth module includes the charge information of A4WP charge modes.
The present invention is by the way that when charging equipment is detected, sending module 10 sends predeterminated voltage by the first bluetooth module Information to the charging equipment, wherein, when the predeterminated voltage information is received, the charging equipment be based on it is described pre- If the cell voltage selection charging voltage of information of voltage and the charging equipment, and the second bluetooth mould for passing through charging equipment Block feeds back the charging voltage, in the charging voltage received by the first bluetooth module less than or equal to the first default electricity During pressure, the first control module 20 controls the charging circuit to send the first electromagnetism letter by the antenna based on the charging voltage Number, so that the charging equipment is charged according to the charging voltage, so it is pre- less than or equal to first in charging voltage If the low-pressure direct that charging equipment is realized during voltage fills, and then can be by being treated in less charging voltage reduction charging process The heating of charging equipment, reduces the energy loss in charging process, improves the charge efficiency of charging equipment.
Brief description of the drawings
Fig. 1 is the hardware architecture diagram of the wireless charging device for realizing each embodiment in the present invention;
Fig. 2 is the circuit diagram between the wireless charger and charging equipment of each embodiment of the invention;
Fig. 3 is the high-level schematic functional block diagram of wireless charging device first embodiment of the present invention based on Bluetooth communication;
Fig. 4 is the electrical block diagram of control circuit in wireless charger of the present invention;
Fig. 5 is the high-level schematic functional block diagram of wireless charging device second embodiment of the present invention based on Bluetooth communication;
Fig. 6 is the high-level schematic functional block diagram of wireless charging device 3rd embodiment of the present invention based on Bluetooth communication;
Fig. 7 is the high-level schematic functional block diagram of wireless charging device fourth embodiment of the present invention based on Bluetooth communication;
Fig. 8 is the high-level schematic functional block diagram of wireless charging device fiveth embodiment of the present invention based on Bluetooth communication;
Fig. 9 is the schematic flow sheet of wireless charging method first embodiment of the present invention based on Bluetooth communication;
Figure 10 is the schematic flow sheet of wireless charging method second embodiment of the present invention based on Bluetooth communication;
Figure 11 is the schematic flow sheet of wireless charging method 3rd embodiment of the present invention based on Bluetooth communication;
Figure 12 is the schematic flow sheet of wireless charging method fourth embodiment of the present invention based on Bluetooth communication;
Figure 13 is the schematic flow sheet of wireless charging method fiveth embodiment of the present invention based on Bluetooth communication.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The wireless charging device of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, Using the suffix of such as " module ", " part " or " unit " for representing element only for being conducive to explanation of the invention, its Itself does not have specific meaning.Therefore, " module " can be used mixedly with " part ".
Wireless charging method of the invention and device application and the wireless charger for being charged for charging equipment, wait to fill Electric equipment can be implemented in a variety of manners.For example, charging equipment described in the present invention can include such as mobile phone, Smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP are (portable Multimedia player), the mobile terminal and the such as fixed terminal of numeral TV, desktop computer etc. of guider etc..
Fig. 1 is the hardware architecture diagram of the wireless charging device for realizing each embodiment in the present invention.Fig. 2 is the present invention Circuit diagram between the wireless charger and charging equipment of each embodiment.
Wireless charger is provided with processor 110, power management module 120, charging circuit (BUCK circuits) 130, Yi Jiyu The USB module of the connection of charging circuit 130, the processor 110 of antenna 140 are used to control charging circuit to launch electromagnetic wave by antenna. Change-over circuit is additionally provided between power management module 120 and charging circuit 130, the change-over circuit is used for power management module The direct current signal of 120 outputs is converted to exchange of information, and exports to charging circuit 130, it is preferable that the change-over circuit is metal-oxide-semiconductor. Wireless charger is provided with bluetooth module, is used to be communicated with charging equipment by bluetooth module.Include WPC antennas in antenna And during A4WP antennas, the wireless charger is additionally provided with switching switch, to according to the control instruction of processor 110 switching transmitting day Line, i.e., carry out antenna switching between WPC antennas and A4WP antennas.
Charging equipment is provided with power management module, bluetooth module, and power management module includes PMIC (Power Management IC, power management integrated circuit), Charger IC (Charge Management IC), USB module, Battery (battery) And WPC antennas and/or A4WP antennas.When charging, charging equipment can be carried out by bluetooth module with wireless charger Communication.
Based on above-mentioned wireless charger hardware configuration, wireless charging method and device of the present invention based on Bluetooth communication are proposed Each embodiment.
The present invention provides a kind of wireless charging device based on Bluetooth communication.Reference picture 3, Fig. 3 is based on bluetooth for the present invention The high-level schematic functional block diagram of the wireless charging device first embodiment of communication.
In the present embodiment, the wireless charging device that should be based on Bluetooth communication is applied to wireless charger, the wireless charging Electrical equipment is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit.Wherein, the antenna includes WPC Antenna and/or A4WP antennas, WPC antennas are what WPC (Wireless Power Consortium, wireless charging alliance) was proposed The corresponding antenna of Qi standards, for the electromagnetic wave that tranmitting frequency is 100KHz or so;A4WP antennas 160 are Alliance for The corresponding antenna of Wireless Power (A4WP) standard, for the electromagnetic wave that tranmitting frequency is 6.78MHz or so, WPC antennas And A4WP antennas can be circular coil, oval coil etc..It is provided with using the charging equipment of the present embodiment wireless charger Second bluetooth module, for entering row data communication by the second bluetooth module and the first bluetooth module, and then realizes to be charged setting It is standby with wireless charger before data communication.
The wireless charging device for being based on Bluetooth communication includes:
Sending module 10, for when charging equipment is detected, predeterminated voltage information being sent by the first bluetooth module To the charging equipment, wherein, when the predeterminated voltage information is received, the charging equipment is based on the default electricity The cell voltage selection charging voltage of pressure information and the charging equipment, and it is anti-by the second bluetooth module of charging equipment Present the charging voltage;
When antenna includes WPC antennas and A4WP antennas, wireless charging device is being not detected by there is currently to be charged setting For when being charged by wireless charger, the charging circuit is controlled to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of charge mode, the second preset duration is more than in the duration for sending the 3rd electromagnetic signal every time When, control the charging circuit to send corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, so as to be charged Equipment feeds back corresponding charge information when the 3rd electromagnetic signal or four electromagnetic signals is received, wherein, the first preset duration Can reasonably be set as needed with the second preset duration, for example, when the first preset duration is default less than or equal to second It is long etc..Wireless charger by be spaced send the 3rd electromagnetic signal and the 4th electromagnetic signal, can accurately automatic detection it is current Whether there is charging equipment to be charged.Require emphasis when, wireless charging device can also be controlled every the first preset duration The charging circuit sends corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, and the 4th electromagnetism is being sent every time When the duration of signal is more than the second preset duration, the charging circuit is controlled to send WPC charge modes pair by WPC antennas The 3rd electromagnetic signal answered.
When antenna includes WPC antennas or A4WP antennas, wireless charging device is being not detected by there is currently to be charged setting For when being charged by wireless charger, the charging circuit is controlled to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of charge mode or corresponding 4th electromagnetic signal of A4WP charge modes, so that charging equipment is connecing When receiving the 3rd electromagnetic signal or four electromagnetic signals, corresponding charge information is fed back.
In the present embodiment, wireless charger determines currently to have detected that charging equipment by receiving charge information, in inspection When measuring charging equipment, receiving charge information, sending module 10 sends predeterminated voltage information by the first bluetooth module To the charging equipment, the predeterminated voltage information includes the current corresponding wireless charger institute of charge mode of charging equipment The charge voltage range that can be provided, or the magnitude of voltage in the charge voltage range, for example, the predeterminated voltage packet Include 3V, 3.5V, 5V etc..When the predeterminated voltage information is received, charging equipment detects its current cell voltage, then Charging equipment is based on the predeterminated voltage information cell voltage and selects charging voltage, and the second bluetooth for passing through charging equipment Charging voltage described in module feedback, specifically, whether charging equipment determines the cell voltage less than or equal to the first default electricity Pressure, when cell voltage is less than or equal to the first predeterminated voltage, charging equipment is by cell voltage and predeterminated voltage information Voltage is compared to select less voltage as charging voltage, to be charged when cell voltage is more than the first predeterminated voltage Equipment may be selected the second predeterminated voltage as charging voltage, wherein, the second predeterminated voltage carries out constant-voltage charge for charging equipment When voltage, the first predeterminated voltage and the second predeterminated voltage can reasonably be set as needed, and the first predeterminated voltage Less than the second predeterminated voltage, for example, the scope of the first predeterminated voltage is 3V~3.5V, the second predeterminated voltage is 5V.
First control module 20, in the charging voltage received by the first bluetooth module less than or equal to the During one predeterminated voltage, the charging circuit is controlled to send the first electromagnetic signal by the antenna based on the charging voltage, with The charging equipment is set to be charged according to the charging voltage.
In the present embodiment, it is anti-by the second bluetooth module that wireless charger receives charging equipment by the first bluetooth module The charging voltage of feedback, when the charging voltage is less than or equal to the first predeterminated voltage, the voltage of charging equipment battery is relatively low, because This, the first control module 20 controls the charging circuit to send the first electromagnetism letter by the antenna based on the charging voltage Number, so that the charging equipment is charged according to the charging voltage, i.e., charging equipment carries out low pressure charging, it is necessary to strong Adjust, control the charging circuit to send the first electricity by the antenna based on the charging voltage in the first control module 20 During magnetic signal, the power of charging circuit keeps constant, is directly filled with the low-voltage, high-current for realizing charging equipment, and then can reduce The heating of charging equipment in charging process, reduces the energy loss in charging process, improves charge efficiency.
As shown in figure 4, the power management module of wireless charger is provided with the first control unit 210 and the second control unit 220, wherein, the first control unit 210 includes two metal-oxide-semiconductors.When charging voltage is less than or equal to the first predeterminated voltage, first The control charging circuit of control module 20 is connected by the first control unit 210 with power supply, and then can be realized by the antenna The first electromagnetic signal is sent, is directly filled with the low-voltage, high-current for realizing charging equipment.
Further, in one embodiment, the wireless charging device that should be based on Bluetooth communication also includes:7th control mould Block, it is default based on the 3rd for when the charging voltage received by the first bluetooth module is more than the first predeterminated voltage Voltage controls the charging circuit to send the 3rd electromagnetic signal by the antenna, so that the charging equipment is pre- according to second If voltage carries out constant-voltage charge.
In the present embodiment, when charging voltage is more than the first predeterminated voltage, the voltage of charging equipment battery is higher, that is, work as The battery electric quantity of preceding charging equipment is more sufficient, and the 7th control module is based on the 3rd predeterminated voltage and controls the charging circuit to lead to Cross the antenna and send the 3rd electromagnetic signal, so that the charging equipment carries out constant-voltage charge according to the second predeterminated voltage, with Improve the charge efficiency of charging equipment.
Further, in other embodiments, when charging equipment is detected, sending module 10 can be by the first bluetooth The cell voltage that module sends charging equipment obtains request to charging equipment, when cell voltage acquisition request is received, Charging equipment detects its current cell voltage, and it is logical based on bluetooth to being somebody's turn to do to send the cell voltage by the second bluetooth module The wireless charging device of letter, when receiving cell voltage and determining that the cell voltage is less than or equal to the first predeterminated voltage, base The charging circuit is controlled to send the first electromagnetic signal by the antenna in first predeterminated voltage, so that described to be charged Equipment is charged according to first predeterminated voltage, realizes that the low-pressure direct of charging equipment fills.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, by when charging equipment is detected, sending out Module 10 is sent to send predeterminated voltage information to the charging equipment by the first bluetooth module, wherein, it is described pre- receiving If during information of voltage, the charging equipment is based on the cell voltage selection of the predeterminated voltage information and the charging equipment Charging voltage, and the second bluetooth module feedback charging voltage for passing through charging equipment, are connect by the first bluetooth module When the charging voltage for receiving is less than or equal to the first predeterminated voltage, the first control module 20 is controlled based on the charging voltage The charging circuit sends the first electromagnetic signal by the antenna, so that the charging equipment enters according to the charging voltage Go and charge, and then the low-pressure direct of charging equipment is realized when charging voltage is less than or equal to the first predeterminated voltage and fill, and then The heating of charging equipment in charging process can be reduced by less charging voltage, the energy reduced in charging process is damaged Lose, improve the charge efficiency of charging equipment.
The second embodiment of wireless charging device of the present invention based on Bluetooth communication, reference picture are proposed based on first embodiment 5, in the present embodiment, the wireless charging device that should be based on Bluetooth communication also includes:
First acquisition module 30, for obtaining the current cell voltage of the charging equipment by the first bluetooth module;
In the present embodiment, charging equipment is being carried out during low-pressure direct fills, the first acquisition module 30 passes through first Bluetooth module obtains the current cell voltage of the charging equipment, specifically, the first acquisition module 30 can be in real time or regularly logical Cross the first bluetooth module and obtain the current cell voltage of the charging equipment, or, it is up in the charging of charging equipment During to preset duration, the first acquisition module 30 is in real time or timing is current by the first bluetooth module acquisition charging equipment Cell voltage, wherein, carrying out during low-pressure direct fills, charging equipment is in real time or timing detects current cell voltage, And sent to the wireless charging device based on Bluetooth communication by the current cell voltage that the second bluetooth module will be detected.
Second control module 40, for when the current cell voltage of charging equipment is more than the second predeterminated voltage, being based on 3rd predeterminated voltage controls the charging circuit to send the second electromagnetic signal by the antenna, so that the charging equipment is pressed Constant-voltage charge is carried out according to the 3rd predeterminated voltage.
In the present embodiment, when the current cell voltage of charging equipment is more than the second predeterminated voltage, the second control module 40, control the charging circuit to send the second electromagnetic signal by the antenna based on the 3rd predeterminated voltage, wherein, second presets Voltage can reasonably be set as needed, for example, when charging equipment is the mobile terminals such as mobile phone, the second default electricity Pressure may be configured as 5V, i.e. charging equipment carries out constant-voltage charge according to the voltage of 5V, to improve the charge efficiency of charging equipment.
As shown in figure 4, when charging voltage is less than or equal to the first predeterminated voltage, the control of the first control module 20 is charged electric Road is connected by the second control unit 220 with power supply, even if the second control unit 200 is connected with power supply and disconnects the second control Connection between unit 210 and power supply, and then can realize sending the second electromagnetic signal by the antenna, it is to be charged to realize The high-voltage great-current of equipment charges.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, it is blue by first by the first acquisition module 30 Tooth module obtains the current cell voltage of the charging equipment, is then more than second in the current cell voltage of charging equipment During predeterminated voltage, the second control module 40 controls the charging circuit to send second by the antenna based on the 3rd predeterminated voltage Electromagnetic signal, so that the charging equipment carries out constant-voltage charge according to the 3rd predeterminated voltage, so as to improve charging equipment Charge efficiency.
The 3rd embodiment of wireless charging device of the present invention based on Bluetooth communication, reference picture are proposed based on second embodiment 6, in the present embodiment, the wireless charging device based on Bluetooth communication also includes:
Second acquisition module 50, for obtaining the current charging current of the charging equipment by the first bluetooth module;
In the present embodiment, the second acquisition module 50 can obtain described to be charged by the first bluetooth module in real time or regularly The current charging current of equipment, in order to adjust the electric current of charging current according to the current charging current of charging equipment.
3rd control module 60, for when the current charging current of charging equipment is more than the first predetermined current, being based on 3rd predeterminated voltage and the second predetermined current control the charging circuit to send the second electromagnetic signal by the antenna, so that institute Charging equipment is stated to be charged according to the 3rd predeterminated voltage and the second predetermined current, wherein, second predetermined current is less than First predetermined current.
Wherein, the first predetermined current and the second predetermined current can rationally be set according to demand.
In the present embodiment, it is current to be charged when the current charging current of charging equipment is more than the first predetermined current The charging current of equipment is excessive, is charged according to current charging current and charging voltage for a long time, may result in charging equipment Temperature is raised, and there is potential safety hazard, therefore, the 3rd control module 60 is based on the 3rd predeterminated voltage and the second predetermined current control institute State charging circuit and the second electromagnetic signal is sent by the antenna, so that the charging equipment is according to the 3rd predeterminated voltage and the Two predetermined currents are charged, that is, reduce the charging current of charging equipment, charging equipment is being ensured the feelings of safety Charged under condition.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, it is blue by first by the second acquisition module 50 Tooth module obtains the current charging current of the charging equipment, is then more than first in the current charging current of charging equipment During predetermined current, the 3rd control module 60 controls the charging circuit to pass through institute based on the 3rd predeterminated voltage and the second predetermined current State antenna and send the second electromagnetic signal, so that the charging equipment is filled according to the 3rd predeterminated voltage and the second predetermined current Electricity, can reduce the charging current of charging equipment, charging equipment is charged in the case where safety is ensured, enter One step improves the charge efficiency of charging equipment.
The 3rd embodiment of wireless charging device of the present invention based on Bluetooth communication, reference picture are proposed based on second embodiment 7, in the present embodiment, the wireless charging device based on Bluetooth communication also includes:
3rd acquisition module 70, for obtaining the current temperature of the charging equipment by the first bluetooth module;
In the present embodiment, the 3rd acquisition module 70 can be waited to fill by described in the acquisition of the first bluetooth module in real time or regularly The current temperature of electric equipment, in order to adjust charging circuit electric current and voltage according to the current temperature of charging equipment, it is to avoid treat The temperature of charging equipment is too high.
4th control module 80, for when the current temperature of the charging equipment is more than preset temperature value, controlling institute The current electric current of charging circuit reduction is stated, to reduce the charging current of the charging equipment.
In the present embodiment, it is currently to be charged to set when the current temperature of the charging equipment is more than preset temperature value Standby temperature is too high, therefore, improve the 4th control module 80 and control the current electric current of the charging circuit reduction, it is described to reduce The charging current of charging equipment, and then the produced heat in charging process of charging equipment is reduced, reduce to be charged setting Standby temperature, enables charging equipment to be charged in the case where safety is ensured, further increases charging equipment Charge efficiency.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, the 3rd acquisition module 70 passes through the first bluetooth mould Block obtains the current temperature of the charging equipment, is then more than preset temperature value in the current temperature of the charging equipment When, the 4th control module 80 controls the current electric current of the charging circuit reduction, to reduce the charging electricity of the charging equipment Stream, and then the produced heat in charging process of charging equipment is reduced, the temperature of charging equipment is reduced, make to be charged setting It is standby to be charged in the case where safety is ensured, further increase the charge efficiency of charging equipment.
The 3rd embodiment of wireless charging device of the present invention based on Bluetooth communication, reference picture are proposed based on first embodiment 8, in the present embodiment, antenna includes WPC antennas and A4WP antennas, and the wireless charging device based on Bluetooth communication also includes:
5th control module 90, for controlling the charging circuit to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of charge mode, wherein, when three electromagnetic signals is received, charging equipment passes through described second Bluetooth module feedback includes the charge information of WPC charge modes;
In the present embodiment, be not detected by there is currently mobile terminal charged by wireless charger when, pass through 5th control module 90 controls the charging circuit to send WPC charge modes correspondence by WPC antennas every the first preset duration The 3rd electromagnetic signal, specifically, the 5th control module 90 makes charging circuit by adjusting the electric capacity and/or inductance of charging circuit 3rd electromagnetic signal is sent by the WPC antennas, wherein, the first preset duration can reasonably be set as needed, example Such as, the first preset duration is set to 5 seconds, wherein, when three electromagnetic signals is received, charging equipment is blue by described second Tooth module feedback includes the charge information of WPC charge modes.
6th control module 100, for being more than the second preset duration in the duration for sending the 3rd electromagnetic signal every time When, control the charging circuit to send corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, wherein, receiving During to four electromagnetic signals, charging equipment is fed back by second bluetooth module includes that the charging of A4WP charge modes is believed Breath.
When the duration for sending the 3rd electromagnetic signal every time is more than preset duration, the 6th control module 100 is by adjusting The electric capacity and/or inductance of whole charging circuit make charging circuit send corresponding 4th electromagnetism of A4WP charge modes by A4WP antennas Signal, wherein, the second preset duration can reasonably be set as needed, for example, the first preset duration is less than or equal to the Two preset durations etc., wherein, when four electromagnetic signals is received, charging equipment feeds back bag by second bluetooth module Include the charge information of A4WP charge modes.
Require emphasis when, wireless charging device can also control the charging circuit pass through every the first preset duration A4WP antennas send corresponding 4th electromagnetic signal of A4WP charge modes, big in the duration for sending the 4th electromagnetic signal every time When the second preset duration, control the charging circuit to send corresponding 3rd electromagnetism of WPC charge modes by WPC antennas and believe Number.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, it is pre- every first by the 5th control module 90 If duration controls the charging circuit to send corresponding 3rd electromagnetic signal of WPC charge modes by WPC antennas, then each When the duration for sending the 3rd electromagnetic signal is more than the second preset duration, the 6th control module 100 controls the charging circuit Corresponding 4th electromagnetic signal of A4WP charge modes is sent by A4WP antennas so that wireless charging device can be spaced transmission the Three electromagnetic signals and the 4th electromagnetic signal, so that mobile terminal is when the 3rd electromagnetic signal or four electromagnetic signals is received, instead Corresponding charge information is presented, and then accurately automatic detection whether can currently there is mobile terminal to be charged.
The sixth embodiment of wireless charging device of the present invention based on Bluetooth communication is proposed based on the 5th embodiment, in this reality Apply in example, sending module 10 includes:
Resolution unit, for when the charge information of charging equipment transmission is received, parsing the charge information to obtain Obtain the corresponding charge mode of the charging equipment;
When the charge information of charging equipment transmission is received, it is described to obtain that resolution unit parses the charge information The corresponding charge mode of charging equipment, specifically, is positioned over the wireless charger and is charged in user by charging equipment When, because wireless charger interval sends the 3rd electromagnetic signal and the 4th electromagnetic signal, charging equipment can be by corresponding Reception antenna receives the 3rd electromagnetic signal and/or the 4th electromagnetic signal, is receiving the 3rd electromagnetic signal and/or the 4th electromagnetism letter Number when, mobile terminal send charge information to the present embodiment wireless charging device, wherein, the charge information include it is to be charged The charge mode that equipment can be used, charge mode includes WPC charge modes and/or A4WP charge modes, i.e. charging equipment Can be charged using one or two charge modes in WPC charge modes and A4WP charge modes.
Transmitting element, for sending predeterminated voltage information to the charging equipment by the first bluetooth module, wherein, When the charge mode is WPC charge modes, the predeterminated voltage information includes the corresponding charging voltage of the WPC charge modes Scope, when the charge mode is A4WP charge modes, the predeterminated voltage information includes A4WP charge modes correspondence Charge voltage range.
In the present embodiment, when the charge mode is WPC charge modes, transmitting element is sent by the first bluetooth module Predeterminated voltage information including the corresponding charge voltage range of the WPC charge modes is filled to the charging equipment described When power mode is A4WP charge modes, transmitting element is sent by the first bluetooth module includes the corresponding charging of A4WP charge modes The predeterminated voltage information of voltage range can receive current charging mould to the charging equipment in order to charging equipment The corresponding predeterminated voltage information of formula.
The wireless charging device based on Bluetooth communication that the present embodiment is proposed, by receiving what charging equipment sent During charge information, resolution unit parses the charge information to obtain the corresponding charge mode of the charging equipment, then sends out Unit is sent to send predeterminated voltage information to the charging equipment by the first bluetooth module so that charging equipment can be received To the current corresponding predeterminated voltage information of charge mode, and then corresponding charging voltage is selected, further increased to be charged The charge efficiency of equipment.
The present invention further provides a kind of wireless charging method based on Bluetooth communication.Reference picture 9, Fig. 9 is base of the present invention In the schematic flow sheet of the wireless charging method first embodiment of Bluetooth communication.
In the present embodiment, the wireless charging method that should be based on Bluetooth communication is applied to wireless charger, the wireless charging Electrical equipment is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit, wherein, the antenna includes WPC Antenna and/or A4WP antennas, WPC antennas are what WPC (Wireless Power Consortium, wireless charging alliance) was proposed The corresponding antenna of Qi standards, for the electromagnetic wave that tranmitting frequency is 100KHz or so;A4WP antennas 160 are Alliance for The corresponding antenna of Wireless Power (A4WP) standard, for the electromagnetic wave that tranmitting frequency is 6.78MHz or so, WPC antennas And A4WP antennas can be circular coil, oval coil etc..It is provided with using the charging equipment of the present embodiment wireless charger Second bluetooth module, for entering row data communication by the second bluetooth module and the first bluetooth module, and then realizes to be charged setting It is standby with wireless charger before data communication.
The wireless charging method for being based on Bluetooth communication includes:
Step S10, when charging equipment is detected, sends predeterminated voltage information and is treated to described by the first bluetooth module Charging equipment, wherein, when the predeterminated voltage information is received, the charging equipment be based on the predeterminated voltage information and The cell voltage selection charging voltage of the charging equipment, and filled described in the second bluetooth module feedback for passing through charging equipment Piezoelectric voltage;
When antenna includes WPC antennas and A4WP antennas, wireless charging device is being not detected by there is currently to be charged setting For when being charged by wireless charger, the charging circuit is controlled to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of charge mode, the second preset duration is more than in the duration for sending the 3rd electromagnetic signal every time When, control the charging circuit to send corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, so as to be charged Equipment feeds back corresponding charge information when the 3rd electromagnetic signal or four electromagnetic signals is received, wherein, the first preset duration Can reasonably be set as needed with the second preset duration, for example, when the first preset duration is default less than or equal to second It is long etc..Wireless charger by be spaced send the 3rd electromagnetic signal and the 4th electromagnetic signal, can accurately automatic detection it is current Whether there is charging equipment to be charged.Require emphasis when, wireless charging device can also be controlled every the first preset duration The charging circuit sends corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, and the 4th electromagnetism is being sent every time When the duration of signal is more than the second preset duration, the charging circuit is controlled to send WPC charge modes pair by WPC antennas The 3rd electromagnetic signal answered.
When antenna includes WPC antennas or A4WP antennas, wireless charging device is being not detected by there is currently to be charged setting For when being charged by wireless charger, the charging circuit is controlled to send WPC by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of charge mode or corresponding 4th electromagnetic signal of A4WP charge modes, so that charging equipment is connecing When receiving the 3rd electromagnetic signal or four electromagnetic signals, corresponding charge information is fed back.
In the present embodiment, wireless charger determines currently to have detected that charging equipment by receiving charge information, in inspection When measuring charging equipment, receiving charge information, sending module 10 sends predeterminated voltage information by the first bluetooth module To the charging equipment, the predeterminated voltage information includes the current corresponding wireless charger institute of charge mode of charging equipment The charge voltage range that can be provided, or the magnitude of voltage in the charge voltage range, for example, the predeterminated voltage packet Include 3V, 3.5V, 5V etc..When the predeterminated voltage information is received, charging equipment detects its current cell voltage, then Charging equipment is based on the predeterminated voltage information cell voltage and selects charging voltage, and the second bluetooth for passing through charging equipment Charging voltage described in module feedback, specifically, whether charging equipment determines the cell voltage less than or equal to the first default electricity Pressure, when cell voltage is less than or equal to the first predeterminated voltage, charging equipment is by cell voltage and predeterminated voltage information Voltage is compared to select less voltage as charging voltage, to be charged when cell voltage is more than the first predeterminated voltage Equipment may be selected the second predeterminated voltage as charging voltage, wherein, the second predeterminated voltage carries out constant-voltage charge for charging equipment When voltage, the first predeterminated voltage and the second predeterminated voltage can reasonably be set as needed, and the first predeterminated voltage Less than the second predeterminated voltage, for example, the scope of the first predeterminated voltage is 3V~3.5V, the second predeterminated voltage is 5V.
Step S20, the first predeterminated voltage is less than or equal in the charging voltage received by the first bluetooth module When, control the charging circuit to send the first electromagnetic signal by the antenna based on the charging voltage, so that described wait to fill Electric equipment is charged according to the charging voltage
In the present embodiment, it is anti-by the second bluetooth module that wireless charger receives charging equipment by the first bluetooth module The charging voltage of feedback, when the charging voltage is less than or equal to the first predeterminated voltage, the voltage of charging equipment battery is relatively low, because This, the first control module 20 controls the charging circuit to send the first electromagnetism letter by the antenna based on the charging voltage Number, so that the charging equipment is charged according to the charging voltage, i.e., charging equipment carries out low pressure charging, it is necessary to strong Adjust, control the charging circuit to send the first electricity by the antenna based on the charging voltage in the first control module 20 During magnetic signal, the power of charging circuit keeps constant, is directly filled with the low-voltage, high-current for realizing charging equipment, and then can reduce The heating of charging equipment in charging process, reduces the energy loss in charging process, improves charge efficiency.
As shown in figure 4, the power management module of wireless charger is provided with the first control unit 210 and the second control unit 220, wherein, the first control unit 210 includes two metal-oxide-semiconductors.When charging voltage is less than or equal to the first predeterminated voltage, first The control charging circuit of control module 20 is connected by the first control unit 210 with power supply, and then can be realized by the antenna The first electromagnetic signal is sent, is directly filled with the low-voltage, high-current for realizing charging equipment.
Further, in one embodiment, the wireless charging method based on Bluetooth communication also includes:
It is default based on the 3rd when the charging voltage received by the first bluetooth module is more than the first predeterminated voltage Voltage controls the charging circuit to send the 3rd electromagnetic signal by the antenna, so that the charging equipment is pre- according to second If voltage carries out constant-voltage charge.
In the present embodiment, when charging voltage is more than the first predeterminated voltage, the voltage of charging equipment battery is higher, that is, work as The battery electric quantity of preceding charging equipment is more sufficient, and the 7th control module is based on the 3rd predeterminated voltage and controls the charging circuit to lead to Cross the antenna and send the 3rd electromagnetic signal, so that the charging equipment carries out constant-voltage charge according to the second predeterminated voltage, with Improve the charge efficiency of charging equipment.
Further, in other embodiments, when charging equipment is detected, sending module 10 can be by the first bluetooth The cell voltage that module sends charging equipment obtains request to charging equipment, when cell voltage acquisition request is received, Charging equipment detects its current cell voltage, and it is logical based on bluetooth to being somebody's turn to do to send the cell voltage by the second bluetooth module The wireless charging device of letter, when receiving cell voltage and determining that the cell voltage is less than or equal to the first predeterminated voltage, base The charging circuit is controlled to send the first electromagnetic signal by the antenna in first predeterminated voltage, so that described to be charged Equipment is charged according to first predeterminated voltage, realizes that the low-pressure direct of charging equipment fills.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, by when charging equipment is detected, sending out Module 10 is sent to send predeterminated voltage information to the charging equipment by the first bluetooth module, wherein, it is described pre- receiving If during information of voltage, the charging equipment is based on the cell voltage selection of the predeterminated voltage information and the charging equipment Charging voltage, and the second bluetooth module feedback charging voltage for passing through charging equipment, are connect by the first bluetooth module When the charging voltage for receiving is less than or equal to the first predeterminated voltage, the first control module 20 is controlled based on the charging voltage The charging circuit sends the first electromagnetic signal by the antenna, so that the charging equipment enters according to the charging voltage Go and charge, and then the low-pressure direct of charging equipment is realized when charging voltage is less than or equal to the first predeterminated voltage and fill, and then The heating of charging equipment in charging process can be reduced by less charging voltage, the energy reduced in charging process is damaged Lose, improve the charge efficiency of charging equipment.
The second embodiment of wireless charging method of the present invention based on Bluetooth communication, reference picture are proposed based on first embodiment 10, in the present embodiment, the wireless charging method that should be based on Bluetooth communication also includes:
Step S30, the current cell voltage of the charging equipment is obtained by the first bluetooth module;
In the present embodiment, charging equipment is being carried out during low-pressure direct fills, the first acquisition module 30 passes through first Bluetooth module obtains the current cell voltage of the charging equipment, specifically, the first acquisition module 30 can be in real time or regularly logical Cross the first bluetooth module and obtain the current cell voltage of the charging equipment, or, it is up in the charging of charging equipment During to preset duration, the first acquisition module 30 is in real time or timing is current by the first bluetooth module acquisition charging equipment Cell voltage, wherein, carrying out during low-pressure direct fills, charging equipment is in real time or timing detects current cell voltage, And sent to the wireless charging device based on Bluetooth communication by the current cell voltage that the second bluetooth module will be detected.
Step S40, when the current cell voltage of charging equipment is more than the second predeterminated voltage, based on the 3rd predeterminated voltage The charging circuit is controlled to send the second electromagnetic signal by the antenna, so that the charging equipment is according to the 3rd default electricity Pressure carries out constant-voltage charge.
In the present embodiment, when the current cell voltage of charging equipment is more than the second predeterminated voltage, the second control module 40, control the charging circuit to send the second electromagnetic signal by the antenna based on the 3rd predeterminated voltage, wherein, second presets Voltage can reasonably be set as needed, for example, when charging equipment is the mobile terminals such as mobile phone, the second default electricity Pressure may be configured as 5V, i.e. charging equipment carries out constant-voltage charge according to the voltage of 5V, to improve the charge efficiency of charging equipment.
As shown in figure 4, when charging voltage is less than or equal to the first predeterminated voltage, the control of the first control module 20 is charged electric Road is connected by the second control unit 220 with power supply, even if the second control unit 200 is connected with power supply and disconnects the second control Connection between unit 210 and power supply, and then can realize sending the second electromagnetic signal by the antenna, it is to be charged to realize The high-voltage great-current of equipment charges.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, it is blue by first by the first acquisition module 30 Tooth module obtains the current cell voltage of the charging equipment, is then more than second in the current cell voltage of charging equipment During predeterminated voltage, the second control module 40 controls the charging circuit to send second by the antenna based on the 3rd predeterminated voltage Electromagnetic signal, so that the charging equipment carries out constant-voltage charge according to the 3rd predeterminated voltage, so as to improve charging equipment Charge efficiency.
The 3rd embodiment of wireless charging method of the present invention based on Bluetooth communication, reference picture are proposed based on second embodiment 11, in the present embodiment, after the step s 40, the wireless charging method that should be based on Bluetooth communication also includes:
Step S50, the current charging current of the charging equipment is obtained by the first bluetooth module;
In the present embodiment, the second acquisition module 50 can obtain described to be charged by the first bluetooth module in real time or regularly The current charging current of equipment, in order to adjust the electric current of charging current according to the current charging current of charging equipment.
Step S60, when the current charging current of charging equipment is more than the first predetermined current, based on the 3rd predeterminated voltage And second predetermined current control the charging circuit by antenna transmission electromagnetic signal so that the charging equipment according to 3rd predeterminated voltage and the second predetermined current are charged, wherein, second predetermined current is less than first predetermined current.
Wherein, the first predetermined current and the second predetermined current can rationally be set according to demand.
In the present embodiment, it is current to be charged when the current charging current of charging equipment is more than the first predetermined current The charging current of equipment is excessive, is charged according to current charging current and charging voltage for a long time, may result in charging equipment Temperature is raised, and there is potential safety hazard, therefore, the 3rd control module 60 is based on the 3rd predeterminated voltage and the second predetermined current control institute State charging circuit and the second electromagnetic signal is sent by the antenna, so that the charging equipment is according to the 3rd predeterminated voltage and the Two predetermined currents are charged, that is, reduce the charging current of charging equipment, charging equipment is being ensured the feelings of safety Charged under condition.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, it is blue by first by the second acquisition module 50 Tooth module obtains the current charging current of the charging equipment, is then more than first in the current charging current of charging equipment During predetermined current, the 3rd control module 60 controls the charging circuit to pass through institute based on the 3rd predeterminated voltage and the second predetermined current State antenna and send the second electromagnetic signal, so that the charging equipment is filled according to the 3rd predeterminated voltage and the second predetermined current Electricity, can reduce the charging current of charging equipment, charging equipment is charged in the case where safety is ensured, enter One step improves the charge efficiency of charging equipment.
The fourth embodiment of wireless charging method of the present invention based on Bluetooth communication, reference picture are proposed based on second embodiment 12, in the present embodiment, after the step s 40, the wireless charging method that should be based on Bluetooth communication also includes:
Step S70, the current temperature of the charging equipment is obtained by the first bluetooth module;
In the present embodiment, the 3rd acquisition module 70 can be waited to fill by described in the acquisition of the first bluetooth module in real time or regularly The current temperature of electric equipment, in order to adjust charging circuit electric current and voltage according to the current temperature of charging equipment, it is to avoid treat The temperature of charging equipment is too high.
Step S80, when the current temperature of the charging equipment is more than preset temperature value, controls the charging circuit drop Low current electric current, to reduce the charging current of the charging equipment.
In the present embodiment, it is currently to be charged to set when the current temperature of the charging equipment is more than preset temperature value Standby temperature is too high, therefore, improve the 4th control module 80 and control the current electric current of the charging circuit reduction, it is described to reduce The charging current of charging equipment, and then the produced heat in charging process of charging equipment is reduced, reduce to be charged setting Standby temperature, enables charging equipment to be charged in the case where safety is ensured, further increases charging equipment Charge efficiency.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, the 3rd acquisition module 70 passes through the first bluetooth mould Block obtains the current temperature of the charging equipment, is then more than preset temperature value in the current temperature of the charging equipment When, the 4th control module 80 controls the current electric current of the charging circuit reduction, to reduce the charging electricity of the charging equipment Stream, and then the produced heat in charging process of charging equipment is reduced, the temperature of charging equipment is reduced, make to be charged setting It is standby to be charged in the case where safety is ensured, further increase the charge efficiency of charging equipment.
The 5th embodiment of wireless charging method of the present invention based on Bluetooth communication, reference picture are proposed based on first embodiment 13, in the present embodiment, antenna includes WPC antennas and A4WP antennas, and the wireless charging method based on Bluetooth communication also includes:
Step S90, controls the charging circuit to send WPC charge modes pair by WPC antennas every the first preset duration The 3rd electromagnetic signal answered, wherein, when three electromagnetic signals is received, charging equipment is anti-by second bluetooth module Feedback includes the charge information of WPC charge modes;
In the present embodiment, be not detected by there is currently mobile terminal charged by wireless charger when, pass through 5th control module 90 controls the charging circuit to send WPC charge modes correspondence by WPC antennas every the first preset duration The 3rd electromagnetic signal, specifically, the 5th control module 90 makes charging circuit by adjusting the electric capacity and/or inductance of charging circuit 3rd electromagnetic signal is sent by the WPC antennas, wherein, the first preset duration can reasonably be set as needed, example Such as, the first preset duration is set to 5 seconds, wherein, when three electromagnetic signals is received, charging equipment is blue by described second Tooth module feedback includes the charge information of WPC charge modes.
Step S100, when the duration for sending the 3rd electromagnetic signal every time is more than the second preset duration, control is described Charging circuit sends corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, wherein, receiving the 4th electromagnetism During signal, charging equipment is fed back by second bluetooth module includes the charge information of A4WP charge modes.
When the duration for sending the 3rd electromagnetic signal every time is more than preset duration, the 6th control module 100 is by adjusting The electric capacity and/or inductance of whole charging circuit make charging circuit send corresponding 4th electromagnetism of A4WP charge modes by A4WP antennas Signal, wherein, the second preset duration can reasonably be set as needed, for example, the first preset duration is less than or equal to the Two preset durations etc., wherein, when four electromagnetic signals is received, charging equipment feeds back bag by second bluetooth module Include the charge information of A4WP charge modes.
Require emphasis when, wireless charging device can also control the charging circuit pass through every the first preset duration A4WP antennas send corresponding 4th electromagnetic signal of A4WP charge modes, big in the duration for sending the 4th electromagnetic signal every time When the second preset duration, control the charging circuit to send corresponding 3rd electromagnetism of WPC charge modes by WPC antennas and believe Number.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, it is pre- every first by the 5th control module 90 If duration controls the charging circuit to send corresponding 3rd electromagnetic signal of WPC charge modes by WPC antennas, then each When the duration for sending the 3rd electromagnetic signal is more than the second preset duration, the 6th control module 100 controls the charging circuit Corresponding 4th electromagnetic signal of A4WP charge modes is sent by A4WP antennas so that wireless charging device can be spaced transmission the Three electromagnetic signals and the 4th electromagnetic signal, so that mobile terminal is when the 3rd electromagnetic signal or four electromagnetic signals is received, instead Corresponding charge information is presented, and then accurately automatic detection whether can currently there is mobile terminal to be charged.
The sixth embodiment of wireless charging method of the present invention based on Bluetooth communication is proposed based on the 5th embodiment, in this reality Apply in example, step S10 includes:
Step S11, when the charge information of charging equipment transmission is received, it is described to obtain to parse the charge information The corresponding charge mode of charging equipment;
When the charge information of charging equipment transmission is received, it is described to obtain that resolution unit parses the charge information The corresponding charge mode of charging equipment, specifically, is positioned over the wireless charger and is charged in user by charging equipment When, because wireless charger interval sends the 3rd electromagnetic signal and the 4th electromagnetic signal, charging equipment can be by corresponding Reception antenna receives the 3rd electromagnetic signal and/or the 4th electromagnetic signal, is receiving the 3rd electromagnetic signal and/or the 4th electromagnetism letter Number when, mobile terminal send charge information to the present embodiment wireless charging device, wherein, the charge information include it is to be charged The charge mode that equipment can be used, charge mode includes WPC charge modes and/or A4WP charge modes, i.e. charging equipment Can be charged using one or two charge modes in WPC charge modes and A4WP charge modes.
Step S12, predeterminated voltage information is sent to the charging equipment by the first bluetooth module, wherein, described When charge mode is WPC charge modes, the predeterminated voltage information includes the corresponding charging voltage model of the WPC charge modes Enclose, when the charge mode is A4WP charge modes, the predeterminated voltage information includes that the A4WP charge modes are corresponding Charge voltage range.
In the present embodiment, when the charge mode is WPC charge modes, transmitting element is sent by the first bluetooth module Predeterminated voltage information including the corresponding charge voltage range of the WPC charge modes is filled to the charging equipment described When power mode is A4WP charge modes, transmitting element is sent by the first bluetooth module includes the corresponding charging of A4WP charge modes The predeterminated voltage information of voltage range can receive current charging mould to the charging equipment in order to charging equipment The corresponding predeterminated voltage information of formula.
The wireless charging method based on Bluetooth communication that the present embodiment is proposed, by receiving what charging equipment sent During charge information, resolution unit parses the charge information to obtain the corresponding charge mode of the charging equipment, then sends out Unit is sent to send predeterminated voltage information to the charging equipment by the first bluetooth module so that charging equipment can be received To the current corresponding predeterminated voltage information of charge mode, and then corresponding charging voltage is selected, further increased to be charged The charge efficiency of equipment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of wireless charging device based on Bluetooth communication, it is characterised in that be applied to wireless charger, the wireless charging Device is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit, the nothing based on Bluetooth communication Line charging device includes:
Sending module, for when charging equipment is detected, predeterminated voltage information is sent to described by the first bluetooth module Charging equipment, wherein, when the predeterminated voltage information is received, the charging equipment is based on the predeterminated voltage information And the cell voltage selection charging voltage of the charging equipment, and it is described by the second bluetooth module feedback of charging equipment Charging voltage;
First control module, for being preset less than or equal to first in the charging voltage received by the first bluetooth module During voltage, the charging circuit is controlled to send the first electromagnetic signal by the antenna based on the charging voltage, so that described Charging equipment is charged according to the charging voltage.
2. the wireless charging device of Bluetooth communication is based on as claimed in claim 1, it is characterised in that described based on Bluetooth communication Wireless charging device also include:
First acquisition module, for obtaining the current cell voltage of the charging equipment by the first bluetooth module;
Second control module, it is pre- based on the 3rd for when the current cell voltage of charging equipment is more than the second predeterminated voltage If voltage controls the charging circuit to send the second electromagnetic signal by the antenna, so that the charging equipment is according to the 3rd Predeterminated voltage carries out constant-voltage charge.
3. the wireless charging device of Bluetooth communication is based on as claimed in claim 2, it is characterised in that described based on Bluetooth communication Wireless charging device also include:
Second acquisition module, for obtaining the current charging current of the charging equipment by the first bluetooth module;
3rd control module, it is pre- based on the 3rd for when the current charging current of charging equipment is more than the first predetermined current If voltage and the second predetermined current control the charging circuit by antenna transmission electromagnetic signal, to be charged set so that described It is standby to be charged according to the 3rd predeterminated voltage and the second predetermined current, wherein, second predetermined current is pre- less than described first If electric current.
4. the wireless charging device of Bluetooth communication is based on as claimed in claim 2, it is characterised in that described based on Bluetooth communication Wireless charging device also include:
3rd acquisition module, for obtaining the current temperature of the charging equipment by the first bluetooth module;
4th control module, for when the current temperature of the charging equipment is more than preset temperature value, controlling the charging The current electric current of circuit reduction, to reduce the charging current of the charging equipment.
5. the wireless charging device based on Bluetooth communication as described in any one of Claims 1-4, it is characterised in that the day Line includes WPC antennas and A4WP antennas, and the wireless charging device based on Bluetooth communication also includes:
5th control module, for controlling the charging circuit to send WPC charging moulds by WPC antennas every the first preset duration Corresponding 3rd electromagnetic signal of formula, wherein, when three electromagnetic signals is received, charging equipment is by the second bluetooth mould Block feedback includes the charge information of WPC charge modes;
6th control module, during for being more than the second preset duration in the duration for sending the 3rd electromagnetic signal every time, control The charging circuit sends corresponding 4th electromagnetic signal of A4WP charge modes by A4WP antennas, wherein, receiving the 4th During electromagnetic signal, charging equipment is fed back by second bluetooth module includes the charge information of A4WP charge modes.
6. a kind of wireless charging method based on Bluetooth communication, it is characterised in that be applied to wireless charger, the wireless charging Device is provided with the first bluetooth module, charging circuit and the antenna being connected with the charging circuit, the nothing based on Bluetooth communication Line charging method is comprised the following steps:
When charging equipment is detected, predeterminated voltage information is sent to the charging equipment by the first bluetooth module, its In, when the predeterminated voltage information is received, the charging equipment is based on the predeterminated voltage information and described to be charged The cell voltage selection charging voltage of equipment, and the second bluetooth module feedback charging voltage for passing through charging equipment;
When the charging voltage received by the first bluetooth module is less than or equal to the first predeterminated voltage, filled based on described Piezoelectric voltage controls the charging circuit to send the first electromagnetic signal by the antenna, so that the charging equipment is according to described Charging voltage is charged.
7. the wireless charging method of Bluetooth communication is based on as claimed in claim 6, it is characterised in that described based on the charging It is described based on Bluetooth communication after the step of voltage controls the charging circuit by the antenna the first electromagnetic signal of transmission Wireless charging method also includes:
The current cell voltage of the charging equipment is obtained by the first bluetooth module;
When the current cell voltage of charging equipment is more than the second predeterminated voltage, the charging is controlled based on the 3rd predeterminated voltage Circuit sends the second electromagnetic signal by the antenna, so as to the charging equipment carries out constant pressure according to the 3rd predeterminated voltage fill Electricity.
8. the wireless charging method based on Bluetooth communication as claimed in claim 7, it is characterised in that described to be based on the 3rd and preset It is described based on Bluetooth communication after the step of voltage controls the charging circuit by the antenna the second electromagnetic signal of transmission Wireless charging method also includes:
The current charging current of the charging equipment is obtained by the first bluetooth module;
When the current charging current of charging equipment is more than the first predetermined current, based on the 3rd predeterminated voltage and the second default electricity Charging circuit described in flow control sends electromagnetic signal by the antenna, so that the charging equipment is according to the 3rd predeterminated voltage And second predetermined current charged, wherein, second predetermined current be less than first predetermined current.
9. the wireless charging method based on Bluetooth communication as claimed in claim 7, it is characterised in that described to be based on the 3rd and preset It is described based on Bluetooth communication after the step of voltage controls the charging circuit by the antenna the second electromagnetic signal of transmission Wireless charging method also includes:
The current temperature of the charging equipment is obtained by the first bluetooth module;
When the current temperature of the charging equipment is more than preset temperature value, the electricity for controlling the charging circuit reduction current Stream, to reduce the charging current of the charging equipment.
10. the wireless charging method based on Bluetooth communication as described in any one of claim 6 to 9, it is characterised in that the day Line includes WPC antennas and A4WP antennas, and first bluetooth module that passes through sends predeterminated voltage information to the charging equipment The step of before, the wireless charging method based on Bluetooth communication also includes:
The charging circuit is controlled to send corresponding 3rd electromagnetism of WPC charge modes by WPC antennas every the first preset duration Signal, wherein, when three electromagnetic signals is received, charging equipment is fed back by second bluetooth module includes that WPC fills The charge information of power mode;
When the duration for sending the 3rd electromagnetic signal every time is more than the second preset duration, the charging circuit is controlled to pass through A4WP antennas send corresponding 4th electromagnetic signal of A4WP charge modes, wherein, it is to be charged when four electromagnetic signals is received Equipment is fed back by second bluetooth module includes the charge information of A4WP charge modes.
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