CN108054815A - A kind of wireless charging method and equipment - Google Patents
A kind of wireless charging method and equipment Download PDFInfo
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- CN108054815A CN108054815A CN201711489051.5A CN201711489051A CN108054815A CN 108054815 A CN108054815 A CN 108054815A CN 201711489051 A CN201711489051 A CN 201711489051A CN 108054815 A CN108054815 A CN 108054815A
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- 230000005611 electricity Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000004590 computer program Methods 0.000 description 6
- 206010037660 Pyrexia Diseases 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
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- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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Classifications
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- H02J7/025—
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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
- 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
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a kind of wireless charging method and equipment, the described method includes：Obtain the first charging voltage value and the first charging current value of user equipment to be charged；According to the first charging voltage value and the first charging current value of the user equipment, the first voltage value of wireless charging device is determined；The first output port of transmitting coil corresponding with first supply voltage is determined according to first voltage value, wherein described transmitting coil includes several different output ports, and be electrically connected first output port with supply voltage output terminal, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
Description
Technical field
This application involves charging technique field more particularly to a kind of wireless charging method and equipment.
Background technology
It is constantly promoted with the configuration of user equipment and constantly become larger to the demand and consumption of electricity, Yong Hushe
The charging modes of standby battery are more and more, and in order to improve the convenience of charging, the mode of wireless charging has been increasingly becoming one
The new charge trend of kind.
Wireless charging method of the prior art mainly uses the mode of fixed supply voltage to charge for user equipment.
For different user equipmenies, required charging voltage is different with charging current, therefore, according to this charging modes, will cause
The whole energy conversion efficiency of entire wireless charging circuit is low, not only affects the charge efficiency of user equipment, in some instances it may even be possible to meeting
Cause the damage of user equipment；Moreover, because the form of expression of power attenuation is fever, user experience can be also reduced, and is influenced
The security of user equipment.
Therefore, there is an urgent need for a kind of new wireless charging method and equipment come solve the charge efficiency of current wireless charging it is low and hair
The problem of heat is serious.
The content of the invention
The embodiment of the present application provides a kind of wireless charging method and equipment, to solve existing wireless charging method and
The charge efficiency of equipment is low and generates heat the problem of serious.
The embodiment of the present application provides a kind of wireless charging method, including：
Obtain the first charging voltage value and the first charging current value of user equipment to be charged；
According to the first charging voltage value and the first charging current value of the user equipment, the of wireless charging device is determined
One voltage value；
The first output of transmitting coil corresponding with first supply voltage is determined according to first voltage value
Port, wherein the transmitting coil includes several different output ports, and first output port and supply voltage is defeated
Outlet is electrically connected, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
In a specific embodiment, the method further includes：
Obtain the second charging voltage value, the second charging current value and the battery voltage value of user equipment；
According to the battery voltage value, the second charging voltage value and the second charging current value, the user equipment is determined
Charge efficiency；
If it is determined that the charge efficiency is less than predetermined threshold value, then the first output port in the transmitting coil is switched to
Second output terminal mouth is electrically connected with the supply voltage output terminal, by corresponding second supply voltage of second charging voltage value
Value is adjusted to corresponding 3rd voltage value of the 3rd charging voltage value；3rd charging voltage value is less than described second and charges
Voltage value；The second output terminal mouth is determined according to the 3rd voltage value；
In a specific embodiment, corresponding second voltage value of second charging voltage value is adjusted to the 3rd
Corresponding 3rd voltage value of charging voltage value, including：
Second voltage value is reduced into preset voltage value, obtains the 4th voltage value；
Obtain the 4th charging voltage value of the user equipment；4th charging voltage value is the user equipment in institute
State the charging voltage value under the 4th voltage value；
If it is determined that the 4th charging voltage value is more than the 3rd charging voltage value, then by the 4th voltage value
The step of reducing the preset voltage value, and being back to four charging voltage value for obtaining the user equipment；
If it is determined that the 4th charging voltage value is equal to the 3rd charging voltage value, then by the 4th voltage value
The 3rd voltage value being determined as after adjustment.
In a specific embodiment, second voltage value is reduced into preset voltage value, obtains the 4th power supply electricity
Pressure value, including：
The second output terminal mouth of the transmitting coil is switched to the 3rd output port and supply voltage output terminal electricity
Connection obtains the 4th voltage value；3rd output port is determined according to the 4th voltage value.
In a specific embodiment, the 3rd charging voltage value exists for the charging current value of the holding user equipment
Minimum charge value in default fluctuation range.
The embodiment of the present application provides a kind of wireless charging device, including：Transmitting coil, control circuit；The control electricity
Road is electrically connected with the transmitting coil by multiple output ports, and the multiple output port is by switching mutually switching；It is described
Transmitting coil provides different supply voltages by different output ports；
The control circuit, for obtaining the first charging voltage value of user equipment to be charged and the first charging current
Value；According to the first charging voltage value and the first charging current value of the user equipment, determine that the first of wireless charging device supplies
Piezoelectric voltage value；The first output of transmitting coil corresponding with first supply voltage is determined according to first voltage value
Port, wherein the transmitting coil includes several different output ports, and first output port and supply voltage is defeated
Outlet is electrically connected, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
In a specific embodiment, the control circuit, for obtaining the second charging voltage value of user equipment, second
Charging current value and battery voltage value；According to the battery voltage value, the second charging voltage value, the second charging current value, really
The charge power of the fixed user equipment and the ratio of output power；If it is determined that the charge power is low with the ratio of output power
In predetermined threshold value, then the first output port in the transmitting coil is switched to second output terminal mouth and the supply voltage is defeated
Outlet is electrically connected, and it is corresponding that corresponding second voltage value of second charging voltage value is adjusted to the 3rd charging voltage value
3rd voltage value；3rd charging voltage value is less than second charging voltage value；The second output terminal mouth is root
It is determined according to the 3rd voltage value.
In a specific embodiment, the control circuit, for providing the transmitting coil to the second power supply electricity
During pressure value, the second output terminal mouth in the transmitting coil is switched to the 3rd output port and the power supply by the transmitting coil
Voltage output end is electrically connected, and obtains the 4th voltage value；3rd output port is according to the described 4th power supply electricity
Pressure value determines；
The control circuit obtains the 4th charging voltage value of the user equipment；4th charging voltage value is described
Charging voltage value of the user equipment under the 4th voltage value；
The control circuit is if it is determined that the 4th charging voltage value is more than the 3rd charging voltage value, then by the hair
The 3rd output port in ray circle is switched to the 4th output port and is electrically connected with the supply voltage output terminal, and the described 4th is defeated
The corresponding voltage value of exit port is the electricity that the corresponding voltage value of the 3rd output port is reduced to preset voltage value
Pressure value, and the step of be back to four charging voltage value for obtaining the user equipment；
The control circuit is if it is determined that the 4th charging voltage value is equal to the 3rd charging voltage value, then by described the
Four voltage values are determined as the 3rd voltage value after adjustment.
In a specific embodiment, the equipment further includes：Display, for showing the supply voltage of the equipment
And/or the charging voltage of the user equipment, charging current, cell voltage.
In a specific embodiment, the equipment further includes：Memory, for storing the institute that the control circuit obtains
State the charging voltage value, battery voltage value, charging current value of user equipment；And/or the supply voltage for storing the equipment
Value.
In a specific embodiment, the transmitting coil is volume body coils or planar coil.
In a specific embodiment, the control circuit controls the different output port in the switch by relay
Be connected and disconnected from.
The embodiment of the present application provides a kind of wireless charging method and equipment, by obtain user equipment to be charged
One charging voltage value and the first charging current value；According to the first charging voltage value and the first charging current of the user equipment
Value determines the first voltage value of wireless charging device；It is determined and the described first power supply according to first voltage value
First output port of the corresponding transmitting coil of voltage, wherein the transmitting coil includes several different output ports, and will
First output port is electrically connected with supply voltage output terminal, so that the supply voltage of the wireless charging device is adjusted to institute
State the first voltage value.Different charging voltage and charging current for different charging equipments are set, reduce charging wire
Power attenuation in road reduces fever and improves device security and charge efficiency.
Description of the drawings
Fig. 1 show a kind of structure diagram of wireless charging device of the embodiment of the present application；
Fig. 2 show a kind of structure diagram of transmitting coil of the embodiment of the present application；
Fig. 3 show a kind of structure diagram of transmitting coil of the embodiment of the present application；
Fig. 4 show a kind of flow diagram of charging method in the embodiment of the present application.
Specific embodiment
With the development of wireless charging technology, at present the equipment of wireless charging is supported to have mobile phone, surface computer, machine of sweeping the floor
People and automobile etc..This kind of equipment for supporting wireless charging can carry out wireless charging, wireless charging by wireless charging pedestal
Pedestal is typically to utilize to connect AC power, then converts electric energy to electromagnetic wave using coil, is then not required conductor can
Magnetic energy to be passed to the coil inside wireless charging device.
As shown in Figure 1, the embodiment of the present application provides a kind of wireless charging device, including：Transmitting coil 101, control electricity
Road 102；Control circuit 102 is electrically connected with transmitting coil 101 by multiple output port 110-116, multiple output port 110-
116 are mutually switched by switching 120-126；Transmitting coil 101 provides different power supplies by different output port 110-116
Voltage；
In a specific embodiment, transmitting coil 101 can be volume body coils or planar coil, or other shapes
The coil of formula can set, not limit herein according to specific needs.For example, as shown in Figure 2 circular volume body coils or such as
Planar coil shown in Fig. 3.
Since the charging voltage needed for different user equipmenies to be charged and charging current are had nothing in common with each other, pass through acquisition
The first charging voltage value and the first charging current value of the user equipment to be charged determine the supply voltage of transmitting coil,
The wireless charging device can be caused to be adapted to various types of user equipment to be charged, effectively increase user
The charge efficiency of equipment, and fever is reduced, improve user experience.
In a specific embodiment, can by control circuit 102 by relay control switch 120-126 not
With being connected and disconnected from for output port 110-116, to realize the automatic adjustment to supply voltage.
In a specific embodiment, the equipment can also include：Memory obtains for storage control circuit 102
The user equipment charging voltage value, battery voltage value, charging current value；And/or the power supply for storing the equipment
Voltage value.
It, can be by the use that is stored in memory when same user equipment accesses in specific implementation process
Charging voltage value, battery voltage value, the charging current value of family equipment, directly obtain the supply voltage needed for the user equipment
Value to save the regulating time of the wireless charging device, improves charge efficiency.
In a specific embodiment, the equipment can also include：Display, for showing the power supply of equipment electricity
Pressure and/or the charging voltage of the user equipment, charging current, cell voltage.
In a specific embodiment, the equipment can also include：The adaptable interface of the wireless charging device, can be with
The interface of distinct device model is added according to actual needs, during for that can not work the wireless charging device, by wired
Mode charge to the charging equipment or charge to multiple charging equipments.
With reference to Fig. 1, as shown in figure 4, the embodiment of the present application provides a kind of flow diagram of charging method, including following step
Suddenly：
Step 401：Obtain the first charging voltage value and the first charging current value of user equipment to be charged；
Step 402：According to the first charging voltage value and the first charging current value of the user equipment, wireless charging is determined
First voltage value of equipment；
Step 403：Transmitting coil corresponding with first supply voltage is determined according to first voltage value
First output port, wherein the transmitting coil includes several different output ports, and by first output port with supplying
Piezoelectric voltage output terminal is electrically connected, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
In step 401, in a specific embodiment, first charging voltage value can be the use to be charged
The charging voltage value of the battery battery core of family equipment.
For example, first charging voltage value and first charging current value can be set according to the user to be charged
It is standby when accessing the wireless charging device, during the wireless charging device identification user equipment to be charged, described in identification
The rechargeable standard of user equipment to be charged, using the charging voltage value in the rechargeable standard and charging current value as described
One charging voltage value and first charging current value.
For example, the charging equipment is certain brand mobile phone, during by accessing the wireless charging device, the mobile phone is determined
Rechargeable standard for Qi standards, the charging voltage of the mobile phone is 5V, charging current 500mA, then by first charging voltage
It is determined as 5V, first charging current is determined as 500mA.
In step 402, in a specific embodiment, can charge start when, first according to battery voltage value with
And circuit parameter, determine the first charging voltage value needed for the charging equipment charging.
In specific implementation process, it can be determined described according to the charging status information of battery in the charging equipment
First charging voltage value and first charging current value, and then according to the wireless charging device and the charging equipment
Circuit parameter information determines first charging voltage value.
In a specific embodiment, may comprise steps of：
Step 1: according to first charging voltage value, the first charging current value, the charging work(of the user equipment is determined
Rate；
Step 2: according to the charge power of the user equipment, the output power of the wireless charging device is determined, so that
The ratio of the charge power and output power is equal to the first predetermined threshold value.
Specifically, can be provided according to the first charging current and the wireless charging device determined in practical application the
The relation of one supply current determines first charging voltage value.
In step 402, in a specific embodiment, may comprise steps of：
Step 1: according to default voltage value and power supply current value, first voltage value and described is determined
First power supply current value；
Step 2: according to charging voltage value and charging current value that the charging equipment returns, adjustment described the
One voltage value and first power supply current value, so that the charging voltage value and charging current value of the charging equipment are
First charging voltage value and first charging current value.
In step 403, in a specific embodiment, can be determined according to following steps described in transmitting coil 101
First output port：
Step 1: the wireless charging device is determined according to the charging equipment of identification in the charging equipment
Charge coil coil turn；
Step 2: the coil turn of charge coil of the wireless charging device in the charging equipment and
First charging voltage, first supply voltage determine the first output port of the wireless charging device.
In specific implementation process, it can be implemented by control circuit 102, control circuit 102 is to be charged for obtaining
The first charging voltage value and the first charging current value of user equipment；According to the first charging voltage value of the user equipment and
One charging current value determines the first voltage value of wireless charging device；
For example, transmitting coil 101 corresponding with first supply voltage is determined according to first voltage value
First output port 110, wherein transmitting coil 101 include several different output port 110-116, and by the first output port
110 are electrically connected with supply voltage output terminal, so that the supply voltage of the wireless charging device is adjusted to the described first power supply electricity
Pressure value.
In specific charging process, it may include three phases：Charging stage, constant-current phase and constant-voltage phase；, for
It the different charging stages, can be in real time according to the battery voltage value of the charging equipment and charging current value to described to be charged
The charging voltage value of equipment is adjusted into Mobile state.
In charging stage, the wireless charging device can be by adjusting first voltage value, and then described in adjusting
First charging voltage value so that the size of the charging current of the charging equipment progressively (can be according to reality to the first charging current value
Border use demand is flexibly set) it is close.
In a specific embodiment, control circuit 102 in charging stage, can determine described to be charged set every time
After standby charging current value stabilization (variable quantity of the charging current value in setting time length is not more than given threshold), including
Following steps：
If it is determined that the charging current value of the charging equipment is much smaller than default charging current value, then with the first of setting
Step-length increases first charging voltage value, so that the charging current value of the charging equipment progressively, promptly approaches in advance
If charging current value；
In specific implementation process, the first output port 110 in transmitting coil 101 can progressively be switched to output terminal
Mouth 113 is electrically connected with the supply voltage output terminal, so that the corresponding first charging piezoelectric voltage value of first voltage value
It is stepped up.
If it is determined that the second step-length increase that close to default charging current value, then can set of charging current value described the
One charging voltage value, so that the charging current value of the charging equipment progressively, smoothly reaches default charging current value.Institute
The second step-length is stated less than first step-length.
In specific implementation process, the first output port 110 in transmitting coil 101 can progressively be switched to output terminal
Mouth 112 is electrically connected with the supply voltage output terminal, so that the first power supply piezoelectric voltage is worth corresponding first charging piezoelectric voltage
It is worth the corresponding first charging piezoelectric voltage value of first voltage value to be stepped up.
In constant-current phase, the wireless charging device is if it is determined that the size of the charging current of the charging equipment is located in advance
If charging current value range (can flexibly be set according to actual use demand) within, it may be determined that so that the size of charging current
Stable second charging voltage value as far as possible.
To improve charge efficiency, it can dynamically adjust described second according to the battery voltage value of the charging equipment and fill
Piezoelectric voltage value.
In a specific embodiment, may comprise steps of：
Step 1: obtain the second charging voltage value, the second charging current value and the battery voltage value of user equipment；
Step 2: according to the battery voltage value, the second charging voltage value, the second charging current value, the user is determined
The charge power of equipment and the ratio of output power；
Step 3: if it is determined that the ratio of the charge power and output power is then filled less than predetermined threshold value by described second
Corresponding second voltage value of piezoelectric voltage value is adjusted to corresponding 3rd voltage value of the 3rd charging voltage value；Described 3rd
Charging voltage value is less than second charging voltage value.
If it is determined that the ratio of the charge power and output power is less than predetermined threshold value, it is determined that the wireless charging device
Charge efficiency it is too low, at this point, the supply voltage should be adjusted in time, so that the charge efficiency reaches predetermined threshold value.
In a specific embodiment, the 3rd charging voltage value can be the charging current for keeping the user equipment
The minimum charge value being worth in default fluctuation range, to improve the charge efficiency of the charging equipment.
In specific implementation process, it can determine that the charging equipment is pre- in constant-current phase according to predetermined threshold value
If charging current value range.In order to enable charging process control is more accurate, the charging of high current can be extended as far as possible
Time improves charge efficiency.
In constant-current phase, after charging process enters constant-current phase, however, it is determined that charging current value is located at default fill
When within the scope of electric On The Current Value, then second voltage value can be kept constant.The cell voltage of the charging equipment
Value with charging process can raise, if second charging voltage value is constant, the charging equipment at this time fills
Electric current value can be gradually reduced；When the charging current value for determining the charging equipment is reduced to default charging current value model
After below the lower limit enclosed, then the smaller step-length that can set increases second voltage value, to be charged is set described
Standby charging current value is controlled within default charging current value range.
In specific implementation process, the first output port 110 in the transmitting coil can be switched to the second output
Port 114 is electrically connected with the supply voltage output terminal, so that corresponding second voltage value of second charging voltage value
It is adjusted to corresponding 3rd voltage value of the 3rd charging voltage value；Second output terminal mouth 114 is according to the described 3rd power supply electricity
Pressure value determines.
In the specific implementation process of step 3, in a specific embodiment, comprise the following steps：
Step 1: second voltage value is reduced preset voltage value, the 4th voltage value is obtained；
In a specific embodiment, the second output terminal mouth 111 of transmitting coil 101 can be switched to the 3rd output terminal
Mouth 115 is electrically connected with the supply voltage output terminal, obtains the 4th voltage value；According to 3rd output port
What the 4th voltage value determined.
Step 2: obtain the 4th charging voltage value of the user equipment；4th charging voltage value is the user
Charging voltage value of the equipment under the 4th voltage value；
Step 3: if it is determined that the 4th charging voltage value is more than the 3rd charging voltage value, then by the described 4th confession
Piezoelectric voltage value reduces the preset voltage value, and the step of be back to four charging voltage value for obtaining the user equipment；
Step 4: if it is determined that the 4th charging voltage value is equal to the 3rd charging voltage value, then by the described 4th confession
Piezoelectric voltage value is determined as the 3rd voltage value after adjustment.
After charging process enters constant-voltage phase, the 3rd step-length can be set to reduce the charging of charging equipment electricity
Pressure value, so that the voltage value of battery is held essentially constant, the charging current value of the charging equipment progressively reduces, to increase
Charge efficiency reduces the fever of charging.
The embodiment of the present application provides a kind of wireless charging device, charges by obtain user equipment to be charged first
Voltage value and the first charging current value；According to the first charging voltage value and the first charging current value of the user equipment, determine
First voltage value of wireless charging device；It is determined according to first voltage value corresponding with first supply voltage
Transmitting coil the first output port, wherein the transmitting coil includes several different output ports, and by described first
Output port is electrically connected with supply voltage output terminal, is supplied so that the supply voltage of the wireless charging device is adjusted to described first
Piezoelectric voltage value.For different charging equipments, different charging voltage and charging current be set, and according to the different phase of charging,
Dynamic adjusts the supply voltage of the wireless charging device, reduces the power attenuation in charging circuit, reduces fever, Yi Jiti
High device security and charge efficiency.
It will be understood by those skilled in the art that the embodiment of the present invention can be provided as method, equipment (equipment) or computer journey
Sequence product.Therefore, in terms of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
The form of embodiment.Moreover, the calculating for wherein including computer usable program code in one or more can be used in the present invention
The computer program that machine usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow chart of equipment (equipment) and computer program product
And/or block diagram describes.It should be understood that each flow in flowchart and/or the block diagram can be realized by computer program instructions
And/or the flow in box and flowchart and/or the block diagram and/or the combination of box.These computer programs can be provided to refer to
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is made to generate
One machine so that the instruction generation performed by computer or the processor of other programmable data processing devices is used to implement
The equipment for the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Make the manufacture of equipment, the commander equipment realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (12)
1. a kind of wireless charging method, which is characterized in that including：
Obtain the first charging voltage value and the first charging current value of user equipment to be charged；
According to the first charging voltage value and the first charging current value of the user equipment, determine that the first of wireless charging device supplies
Piezoelectric voltage value；
The first output port of transmitting coil corresponding with first supply voltage is determined according to first voltage value,
Wherein described transmitting coil includes several different output ports, and first output port and supply voltage output terminal is electric
Connection, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
2. the method as described in claim 1, which is characterized in that the method further includes：
Obtain the second charging voltage value, the second charging current value and the battery voltage value of user equipment；
According to the battery voltage value, the second charging voltage value and the second charging current value, the charging of the user equipment is determined
Efficiency；
If it is determined that the charge efficiency is less than predetermined threshold value, then the first output port in the transmitting coil is switched to second
Output port is electrically connected with the supply voltage output terminal, by the corresponding second voltage value tune of second charging voltage value
Whole is corresponding 3rd voltage value of the 3rd charging voltage value；3rd charging voltage value is less than second charging voltage
Value；The second output terminal mouth is determined according to the 3rd voltage value.
3. method as claimed in claim 2, which is characterized in that by corresponding second supply voltage of second charging voltage value
Value is adjusted to corresponding 3rd voltage value of the 3rd charging voltage value, including：
Second voltage value is reduced into preset voltage value, obtains the 4th voltage value；
Obtain the 4th charging voltage value of the user equipment；4th charging voltage value is the user equipment described the
Charging voltage value under four voltage values；
If it is determined that the 4th charging voltage value is more than the 3rd charging voltage value, then the 4th voltage value is reduced
The preset voltage value, and the step of be back to four charging voltage value for obtaining the user equipment；
If it is determined that the 4th charging voltage value is equal to the 3rd charging voltage value, then the 4th voltage value is determined
For the 3rd voltage value after adjustment.
4. such as claim 1-3 any one of them methods, which is characterized in that second voltage value is reduced default electricity
Pressure value obtains the 4th voltage value, including：
The second output terminal mouth of the transmitting coil is switched to the 3rd output port to be electrically connected with the supply voltage output terminal,
Obtain the 4th voltage value；3rd output port is determined according to the 4th voltage value.
5. such as claim 1-4 any one of them methods, which is characterized in that the 3rd charging voltage value is the holding use
Minimum charge value of the charging current value of family equipment in default fluctuation range.
6. a kind of wireless charging device, which is characterized in that including：Transmitting coil, control circuit；The control circuit and the hair
Ray circle is electrically connected by multiple output ports, and the multiple output port is by switching mutually switching；The transmitting coil leads to
It crosses different output ports and different supply voltages is provided；
The control circuit, for obtaining the first charging voltage value of user equipment to be charged and the first charging current value；Root
According to the first charging voltage value and the first charging current value of the user equipment, the first supply voltage of wireless charging device is determined
Value；The first output port of transmitting coil corresponding with first supply voltage is determined according to first voltage value,
Wherein described transmitting coil includes several different output ports, and first output port and supply voltage output terminal is electric
Connection, so that the supply voltage of the wireless charging device is adjusted to first voltage value.
7. equipment as claimed in claim 5, which is characterized in that the control circuit, second for obtaining user equipment fills
Piezoelectric voltage value, the second charging current value and battery voltage value；According to the battery voltage value, the second charging voltage value, second
Charging current value determines the charge power of the user equipment and the ratio of output power；If it is determined that the charge power is with supplying
The ratio of electrical power be less than predetermined threshold value, then by the first output port in the transmitting coil be switched to second output terminal mouth with
The supply voltage output terminal electrical connection, is adjusted to the 3rd by corresponding second voltage value of second charging voltage value and fills
Piezoelectric voltage is worth corresponding 3rd voltage value；3rd charging voltage value is less than second charging voltage value；Described
Two output ports are determined according to the 3rd voltage value.
8. equipment as claimed in claim 7, which is characterized in that the control circuit, for providing the transmitting coil to institute
When stating the second voltage value, the second output terminal mouth in the transmitting coil is switched to the 3rd output terminal by the transmitting coil
Mouth is electrically connected with the supply voltage output terminal, obtains the 4th voltage value；3rd output port is according to institute
State what the 4th voltage value determined；
The control circuit obtains the 4th charging voltage value of the user equipment；4th charging voltage value is the user
Charging voltage value of the equipment under the 4th voltage value；
The control circuit is if it is determined that the 4th charging voltage value is more than the 3rd charging voltage value, then by the emission lines
The 3rd output port in circle is switched to the 4th output port and is electrically connected with the supply voltage output terminal, the 4th output terminal
The corresponding voltage value of mouth is the voltage value that the corresponding voltage value of the 3rd output port is reduced to preset voltage value,
And the step of being back to four charging voltage value for obtaining the user equipment；
The control circuit is if it is determined that the 4th charging voltage value is equal to the 3rd charging voltage value, then by the described 4th confession
Piezoelectric voltage value is determined as the 3rd voltage value after adjustment.
9. equipment as claimed in claim 7 or 8, which is characterized in that the equipment further includes：Display, it is described for showing
The charging voltage of the supply voltage of equipment and/or the user equipment, charging current, cell voltage.
10. equipment as claimed in claim 7 or 8, which is characterized in that the equipment further includes：Memory, it is described for storing
Charging voltage value, battery voltage value, the charging current value for the user equipment that control circuit obtains；And/or for storing
State the voltage value of equipment.
11. equipment as claimed in claim 7 or 8, which is characterized in that the transmitting coil is volume body coils or planar coil.
12. equipment as claimed in claim 7 or 8, which is characterized in that the control circuit controls the switch by relay
In different output port be connected and disconnected from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711489051.5A CN108054815A (en) | 2017-12-29 | 2017-12-29 | A kind of wireless charging method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711489051.5A CN108054815A (en) | 2017-12-29 | 2017-12-29 | A kind of wireless charging method and equipment |
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| CN108054815A true CN108054815A (en) | 2018-05-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711489051.5A Pending CN108054815A (en) | 2017-12-29 | 2017-12-29 | A kind of wireless charging method and equipment |
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