CN108462259A - The wireless charging method and a kind of smart machine of a kind of smart machine - Google Patents
The wireless charging method and a kind of smart machine of a kind of smart machine Download PDFInfo
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- CN108462259A CN108462259A CN201810174927.5A CN201810174927A CN108462259A CN 108462259 A CN108462259 A CN 108462259A CN 201810174927 A CN201810174927 A CN 201810174927A CN 108462259 A CN108462259 A CN 108462259A
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- 238000007600 charging Methods 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004321 preservation Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 49
- 238000010586 diagram Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H02J7/025—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of wireless charging method of smart machine and smart machines.This method includes：After accessing charge power supply, so that charge coil is received charge power supply, charge power and the preservation of each charge coil are detected by charging management chip；Alternatively, being in advance grouped multiple charge coils, charge power and the preservation of every group of charge coil are detected by charging management chip；According to the charge power of charge coil, at least one or at least one set of charge coil is connected in selection, and the charge coil by being connected charges for smart machine.Multiple charge coils are set on the smart machine of the present invention, it is equipped with charging management chip and gating switch simultaneously, in wireless charging, regardless of placement location, it can be since the highest one or a set of charge coil that charges, it connects at least one or at least one set of charge coil to charge for charging equipment, ensures that charge power is met the requirements, improve user experience.
Description
Technical field
The present invention relates to wireless charging technical field, more particularly to the wireless charging method of a kind of smart machine and a kind of intelligence
It can equipment.
Background technology
Nowadays the smart machines such as more and more too busy to get away smart mobile phone, smartwatch in daily life, and these intelligence
Energy equipment needs often to charge in use, and in order to improve the efficiency of charging, charging wire is increased on some smart machines
Circle, to conveniently realize wireless charging.However, current wireless charging power technology has, status requirement is high, needs exactitude position intelligence
The problem of energy equipment and cradle, otherwise charge efficiency decaying is huge, these problems greatly limit wireless charging
The marketing application of technology, affects the user experience using wireless charging technology.
Invention content
The problem of needing exactitude position in view of the wireless charging of prior art smart machine, affect user experience, this hair
A kind of bright wireless charging method for proposing smart machine and a kind of smart machine, to overcome the above problem or at least partly
Ground solves the above problems.
To achieve the goals above, present invention employs following technical solutions：
One side according to the present invention, provides a kind of wireless charging method of smart machine, in the smart machine
Equipped with battery, multiple charge coils and charging management chip, the battery and multiple charge coils and the Charge Management
Chip connects, and this method includes：
After accessing charge power supply, the charge coil is made to receive charge power supply, is detected by the charging management chip every
The charge power of a charge coil and preservation；Alternatively, being in advance grouped multiple charge coils, pass through the charging valve
Reason chip detects the charge power of charge coil and preservation described in every group；
According to the charge power of the charge coil, at least one or at least one set of charge coil is connected in selection, and is passed through
The charge coil connected charges for the smart machine.
Optionally, the charge power of each charge coil of detection and preservation includes：The each charging of detection
Charge power of the coil in same time, to obtain the accumulative charge power of each charge coil and preserve；
It is described detection every group described in charge coil charge power and preservation include：Charge coil is in phase described in detecting every group
With the charge power in the time, to obtain the accumulative charge power of charge coil described in every group and preserve.
Optionally, this method further includes：
Predetermined power threshold value is set before charging starts；
It is any when detecting in the step of charge power of charge coil described in each or every group of the detection and preservation
When the charge power of charge coil described in a or any group is greater than or equal to the predetermined power threshold value, then stop detecting, select
It is that the smart machine fills that the charge power, which is connected, more than or equal to one or a set of charge coil of the predetermined power threshold value
Electricity.
Optionally, it is described detection each or every group described in charge coil charge power and preservation specifically include：
Switch one or a set of charge coil successively to charge for the smart machine, detects the charge coil of this switching
Charge power preserves larger charge power by the charge power of this detection compared with the charge power of last time detection；
This method further includes：If being not detected, there are the charge powers of one or a set of charge coil to be greater than or equal to
When the predetermined power threshold value, then the charge power according to the charge coil, selection is connected at least one or at least one
Organizing charge coil includes：The charge coil connected corresponding to the charge power that last time preserves is selected to be filled for the smart machine
Electricity.
Optionally, at least one or at least one set of charging is connected in the charge power according to the charge coil, selection
Coil includes：
Since the highest one or a set of charge coil of charge power, at least one or at least one set of charging is connected in selection
Coil.
Optionally, at least one or at least one set of charging is connected in the charge power according to the charge coil, selection
Coil includes：
The highest one or a set of charge coil of charge power is connected in selection, and highest one or one with charge power
Group charge coil adjacent charge coil or charge coil group.
Optionally, described to include by multiple charge coil groupings in advance：Adjacent several charge coils are divided into one
Group, or one group will be divided into the symmetrically arranged charge coil in smart machine both ends.
Optionally, this method further includes：
To before charging complete after accessing charge power supply, the moment monitors whether the smart machine moves, if described
Smart machine moves, then detects the charge power of charge coil and preservation described in each or every group again, according to examining again
The charge power of survey, at least one or at least one set of charge coil is connected in selection, and the charge coil by being connected is described
Smart machine charges.
Optionally, mobile detection sensor is installed on the smart machine, by using the mobile detection sensor
To detect whether the smart machine moves.
Other side according to the present invention provides a kind of smart machine, and battery, institute are provided in the smart machine
It states and is additionally provided with charging management chip, gating switch and multiple charge coils in smart machine；Multiple charge coils are through institute
The input terminal that gating switch is connected to the charging management chip is stated, the output end of the charging management chip connects the electricity
Pond, the control terminal of the charging management chip connect the gated end of the gating switch；
After accessing charge power supply, the charging management chip detection each charge power of the charge coil and preservation；
Alternatively, multiple charge coils are grouped in advance, the charging management chip detects the charging work(of charge coil described in every group
Rate simultaneously preserves；
According to the charge power of the charge coil, the charging management chip controls the gating switch, and selection is connected
At least one or at least one set of charge coil, and the charge coil by being connected charges for the smart machine.
Optionally, the smart machine further includes rectifier bridge；
There are one the rectifier bridge settings, and one rectifier bridge is connected to the gating switch and the Charge Management core
Between the input terminal of piece；
Alternatively, the rectifier bridge is provided with multiple, each corresponding described charge coil is respectively provided with that there are one the rectifications
Bridge, each rectifier bridge are connected to the charge coil corresponding to it and between the gating switches.
Optionally, the charge coil for being divided into one group in advance is adjacent several charge coils, or in smart machine two
Hold symmetrically arranged charge coil.
Optionally, be additionally provided with mobile detection sensor on the smart machine, the mobile detection sensor with it is described
Whether charging management chip connects, move and notify to the charging management chip to detect the smart machine.
Optionally, the smart machine is smartwatch, and the smartwatch includes gauge outfit and watchband, the Charge Management
Chip and the gating switch are arranged in the gauge outfit, and multiple charge coils are arranged on the watchband.
Optionally, the watchband includes the first watchband and the second watchband for being connected to the gauge outfit both sides, Duo Gesuo
Charge coil is stated to be arranged on one or two of first watchband and second watchband.
In conclusion the beneficial effects of the invention are as follows：
Multiple charge coils are set on intelligent devices, in wireless charging, the placement location regardless of smart machine,
By detect charge coil charge power size, flexibly select at least one or at least one set of charge coil, to compared with
High charge power charges for smart machine, without accurate contraposition, so that it may to ensure the charge efficiency of wireless charging, save
Harsh alignment operation when going to charge, improves user experience.
Description of the drawings
Fig. 1 is a kind of wireless charging method flow diagram of smart machine provided by one embodiment of the present invention；
Fig. 2 is a kind of wireless charging method flow diagram for smart machine that another embodiment of the present invention provides；
Fig. 3 is a kind of wireless charging method flow diagram for smart machine that another embodiment of the invention provides；
Fig. 4 is a kind of smart machine charging circuit configuration schematic diagram provided by one embodiment of the present invention；
Fig. 5 is a kind of smart machine charging circuit configuration schematic diagram that another embodiment of the present invention provides；
Fig. 6 is a kind of smart machine charging circuit configuration schematic diagram that another embodiment of the invention provides；
Fig. 7 is a kind of smartwatch overall structure diagram provided by one embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The present invention technical concept be：Multiple charge coils are set on intelligent devices, thus in wireless charging, no matter
How is the placement location of smart machine, and the size of the charge power by detecting charge coil flexibly selects at least one or extremely
Few one group of charge coil, charges by smart machine of higher charge power, without accurate contraposition, so that it may to ensure nothing
The charge efficiency of micro USB electricity, eliminates alignment operation harsh when charging, improves user experience.
Fig. 1 shows a kind of one embodiment of the wireless charging method of smart machine of the present invention, is set in the smart machine
There are battery, multiple charge coils and charging management chip, battery and multiple charge coils to be connect with charging management chip, such as Fig. 1
Shown, this method includes：
Step S110 after accessing charge power supply, makes charge coil receive charge power supply, is detected by charging management chip every
The charge power of a charge coil and preservation；Alternatively, being in advance grouped multiple charge coils, detected by charging management chip every
Organize the charge power of charge coil and preservation.After so-called access charge power supply, for example, refer to by smart machine be placed in cradle it
Afterwards, smart machine ingoing power detection-phase at this time, starts the charge power for detecting each charge coil.
Step S120, according to the charge power of charge coil, at least one or at least one set of charge coil is connected in selection, and
It is charged for smart machine by the charge coil connected.That is, obtaining each charge coil by power detection phase
Charge power, accordingly selection connect specific charge coil, so that smart machine is entered the charging stage, with the specific charging wire of connection
Circle is that smart machine charges.
Since smart machine has multiple charge coils, the overlayable area of charge coil is increased, therefore place intelligence
When equipment carries out wireless charging, careful alignment is not needed.Different charge coils is different from the degree of registration of cradle, thus obtains
The charge power taken is different.By the charge power size for detecting charge coil, so that it may to know the alignment of which charge coil
Degree higher selects at least one or at least one set of charge coil to charge for smart machine, meets filling for smart machine to be charged
Electricity demanding, without harsh alignment operation, it will be able to ensure charge efficiency, improve user experience.
In one embodiment of the invention, the charge power and preservation for detecting each charge coil include：Detection is each
Charge power of the charge coil in same time, to obtain the accumulative charge power of each charge coil and preserve.This implementation
It is independent between each charge coil in example, the charge power of each charge coil is detected by charging management chip, realizes each fill
Electric coil is used alone or in combination.
In another embodiment of the present invention, the charge power and preservation for detecting every group of charge coil include：Detection is every
Charge power of the group charge coil in same time, to obtain the accumulative charge power of every group of charge coil and preserve.At this
In embodiment, more than two charge coils are divided into one group, the charging work(of every group of charge coil is detected by charging management chip
Rate realizes being used alone or in combination for each group charge coil.For example, adjacent several charge coils are divided into one group, it can be with shape
Magnetic field is received at the area of bigger, it is not necessary to meticulously be aligned smart machine with cradle；Or it will be in the smart machine two
Symmetrically arranged charge coil is held to be divided into one group.It is, of course, also possible to carry out the pre- of charge coil according to the charged area of cradle
First it is grouped, it, will be with the one-to-one charge coil in these charged areas point when cradle has the charged area of multiple separation
Be one group, be arranged according to different distances and/or angle between each group charge coil of smart machine, to when placing according to
One or more groups of charge coil chargings therein are connected in different alignment conditions, selection.
During each or every group of charge coil charge power of above-mentioned detection, by measuring the charging in same time
Power obtains the accumulative charge power of each or every group of charge coil, caused by can reducing the instantaneous interference in charging process
It influences, keeps charge power detection more accurate.
In one embodiment of the invention, this method further includes：Predetermined power threshold value is set before charging starts；
In the step of detecting the charge power of each or every group of charge coil and preservation, when detecting any one or any group of charge coil
Charge power when being greater than or equal to predetermined power threshold value, then stop detecting, selection connect the charge power be greater than or equal to it is pre-
If one or a set of charge coil of power threshold charges for smart machine.In practical charging process, if there are one or one
Group charge coil is aligned with the transmitting coil of cradle, then its charge power can meet the needs of smart machine to be charged, i.e.,
Charge power is greater than or equal to predetermined power threshold value, can stop the detection to other charge coils at this time, by the charge power
It is that smart machine to be charged charges to be connected more than or equal to one or a set of charge coil of predetermined power threshold value, such scheme
Those charge powers are particularly suitable for there are the upper limit to which the smart machine of higher charge power cannot be received, charging can be simplified
The charge power detection of coil connects flow with matching, shortens the charging time.
On the basis of above-described embodiment, in another embodiment of the present invention, each or every group of charge coil of detection
Charge power and preserve specifically include：Switch one or a set of charge coil successively to charge for smart machine, detects this switching
Charge coil charge power, by the charge power of this detection compared with the charge power of last detection, preservation is larger
Charge power.This method further includes：If being not detected, there are the charge powers of one or a set of charge coil to be greater than or equal to
When predetermined power threshold value, then according to the charge power of charge coil, at least one or at least one set of charge coil packet is connected in selection
It includes：Select to connect the charge coil corresponding to the charge power that last time preserves as smart machine charging.
In one embodiment of the invention, according to the charge power of charge coil, selection is connected at least one or at least
One group of charge coil includes：Since the highest one or a set of charge coil of charge power, selection is connected at least one or extremely
Few one group of charge coil, the principle of selection is exactly to meet the charge power demand of smart machine as far as possible.
In one embodiment of the invention, according to the charge power of charge coil, selection is connected at least one or at least
One group of charge coil includes：Selection connect the highest one or a set of charge coil of charge power, and with charge power highest
The adjacent charge coil or charge coil group of one or a set of charge coil.Charge power is highest, is directed at the journey of cradle
Highest is spent, to which adjacent charge coil or charge coil group are connected use together, can more fully receive charging magnetic field.
In one embodiment of the invention, this method further includes：To before charging complete after accessing charge power supply, the moment
Whether monitoring smart machine moves, if smart machine moves, detects filling for each or every group of charge coil again
Electrical power simultaneously preserves, and according to the charge power detected again, at least one or at least one set of charge coil is connected in selection, and is passed through
The charge coil connected charges for smart machine, to achieve the purpose that choose suitable charge coil again, ensures that high efficiency is filled
Electricity excludes the interference that displacement is brought.After charge power supply access, such as after smart machine is placed on cradle, to filling
Before electricity is completed, the moment is monitored the movement of smart machine, as long as to which movement have occurred, will re-execute charging wire
The power detection of circle and selection.In the charging stage of smart machine, if smart machine moves, then selection originally is connected
Charge coil may be no longer aligned with cradle, and charge power is declined, and at this time in order to ensure charge efficiency, detection again is filled
The power of electric coil and preservation carry out efficient charging to redefine suitable charge coil.Moreover, in smart machine
Power detection phase then moves the charge coil power detection result obtained before also not if smart machine moves
It is correct again, therefore the present embodiment sets the mobile monitoring to the power detection phase through smart machine and charging stage.
In one embodiment of the invention, mobile detection sensor is installed on smart machine, is examined by using mobile
Sensor is surveyed to detect whether smart machine moves.Mobile detection sensor include but not limited to displacement sensor and/or
Acceleration transducer (also referred to as vibrating sensor).
Embodiment one
The flow of smart machine wireless charging method of the present invention has been shown in particular with one embodiment by Fig. 2, with reference to 2 institute of figure
Show, before charging source access, smart machine is in stand-by operation state, this is original state, it will usually have one of acquiescence to fill
Electric coil is connected in the charge circuit, and specific charging flow is as follows：
Step S201 has detected whether charge power supply access.When having detected charging source access, when as charging starts,
It starts to charge up at this time, the charge coil (giving tacit consent to charge coil) currently connected is made to receive charge power supply, with to smart machine
Battery charges.
Step S202 is detected and is preserved the current charge power for connecting a charge coil (giving tacit consent to charge coil).
Step S203, judges whether the charge power that this is preserved is greater than or equal to predetermined power threshold value.In detection process
In, if finding, the charge power that certain is preserved is greater than or equal to predetermined power threshold value, can execute step S204, stop detection,
The charge coil that the charge power is chosen more than or equal to predetermined power threshold value charges, the predetermined power threshold value, is to meet
The charge power size of smart machine charge requirement, e.g. smart machine can receive the upper limit value of charge power, in this way may be used
To simplify detection and the matching flow of charge power, shorten the charging time.
Step S205 is switched to next charge coil, detects and preserve the charge power of charge coil after switching.Its
In, after detecting every time and preserving charge power, it is carried out a step S203, to judge charge power that this is preserved is whether
Reach predetermined power threshold value.
Step S206 judges whether that all charge coils have detected and finishes.It is carried out by turn switching on each charge coil
It detects and preserves, finished until all charge coils are detected, obtain the charge power of each charge coil.
Step S207 selects the highest charge coil of charge power to charge.After charge coil all detects, root
It sorts according to charge power size, selects the wherein highest charge coil of power and charge for smart machine, set to meet intelligence
Standby charge requirement solves the problems, such as that charge power is decayed huge under non-precise contraposition.
Step S208, finally, when judging charging complete, smart machine is restored to standby mode.
In above-mentioned embodiment illustrated in fig. 2, in order to save resource, reduces and preserve data, detect first and preserve acquiescence and fill
The charge power of electric coil, and execute step S203 and predetermined power threshold value comparison judges whether is charge power that this is preserved
Reach predetermined power threshold value, later when being switched to another charge coil every time, detects filling for the charge coil of this switching
Electrical power, and compared with the charge power of last time detection, larger charge power is preserved, so that being preserved after switching every time
Be all to have detected maximum charge power in charge coil.Finally, after all charge coils have detected, if not
The charge power for detecting the presence of one or a set of charge coil is greater than or equal to predetermined power threshold value, then last side preserves
Charge power is just the largest charge power, and it is intelligence to select the charge coil connected corresponding to the charge power that last time preserves
Energy equipment charge, need not again be ranked up the charge power of all charge coils.
Embodiment two
Fig. 3 shows another flow diagram of smart machine wireless charging method of the present invention, refering to what is shown in Fig. 3,
Before charging source access, smart machine is in stand-by operation state, this is original state, it will usually have one group of charge coil of acquiescence
It connects in the charge circuit, specific charging flow is as follows：
Step S301 has detected whether charge power supply access.It when having detected charging source access, that is, starts to charge up, makes
The one group of charge coil (giving tacit consent to charge coil group) currently connected receives charge power supply.
Step S302 is detected and is preserved the current charging work(for connecting one group of charge coil (giving tacit consent to charge coil group)
Rate.
Step S303, judges whether the charge power that this is preserved is greater than or equal to predetermined power threshold value.In detection process
In, if finding, the charge power that certain is preserved is greater than or equal to predetermined power threshold value, can execute step S304, stop detection,
The charge coil that this group of charge power is chosen more than or equal to predetermined power threshold value charges, the predetermined power threshold value, is full
The charge power size of sufficient smart machine charge requirement, e.g. smart machine can receive the upper limit value of charge power, in this way
Detection and the matching flow that charge power can be simplified, shorten the charging time.
Step S305 is switched to next group of charge coil, detects and preserve the charge power of charge coil after switching.Its
In, after detecting every time and preserving charge power, it is carried out a step S303, to judge charge power that this is preserved is whether
Reach predetermined power threshold value.
Step S306 judges whether that all groups of charge coils have detected and finishes.By in turn switch on each charge coil into
Row is detected and is preserved, and is finished until all groups of charge coils are detected, and the charge power of each group charge coil is obtained.
Step S307 selects the highest one group of charge coil of charge power to charge.It is all detected in each group charge coil
After, it is sorted according to charge power size, selects the wherein highest one group of charge coil of power and charge for smart machine, from
And meet the charge requirement of smart machine, solve the problems, such as that charge power is decayed huge under non-precise contraposition.
Step S308, finally, when judging charging complete, smart machine is restored to standby mode.
Battery, charging management chip, gating are provided with the invention also discloses a kind of smart machine, in the smart machine to open
It closes and multiple charge coils；Multiple charge coils are gated to switch the input terminal for being connected to charging management chip, Charge Management core
The output end of piece connects battery, the gated end of the control terminal connection gating switch of charging management chip；After accessing charge power supply, fill
Electric managing chip detects the charge power of each charge coil and preservation；Alternatively, multiple charge coils are grouped in advance, charging valve
Reason chip detects charge power and the preservation of every group of charge coil, you can is used so that charge coil or setting charge coil group is arranged
In charging；According to the charge power of charge coil, charging management chip controls gating switch, and selection is connected at least one or at least
One group of charge coil, and the charge coil by being connected charges for smart machine.
Battery 410 and charging management chip 420, gating are provided with by taking embodiment illustrated in fig. 4 as an example, in smart machine
Switch 430 and multiple charge coils 440；440 gated switch 430 of multiple charge coils is connected to charging management chip 420
The output end of input terminal, including positive input terminal and negative input end, charging management chip 420 connects battery, charging management chip 420
Control terminal connection gating switch 430 gated end；Charging management chip 420 detects the charge power of each charge coil 440,
And by gating switch 430, it is smart machine that the highest charge coil of charge power is selected in multiple charge coils 440
Charging.As shown in figure 4, charge coil 440 includes the n charge coil that number is 1 to n, and when charging, charging management chip 420
Control gating switch 430 successively accesses n charge coil in circuit to charge for battery 410, to obtain filling for each charge coil
Electrical power, and the highest charge coil of final choice charge power charges for smart machine, selected charge coil
Gating switch 430 of the one end through upside is connected to the positive input terminal of charging management chip 420, gating switch of the other end through downside
430 are connected to the negative input end of charging management chip 420, and selected charge coil generates induced current and flows into Charge Management core
The output end of piece 420, charged managing chip 420 charges for battery 410.
In one embodiment of the invention, smart machine further includes rectifier bridge；As shown in figure 4, rectifier bridge 450 is provided with
One, which is connected between gating switch 430 and the input terminal of charging management chip 420, this rectifier bridge
Connection type save component, the rectifier bridge quantity used is few, can reduce the cost of smart machine.
Alternatively, embodiment as shown in Figure 5, rectifier bridge 450 is provided with multiple, each corresponding charge coil 440 is respectively provided with
There are one rectifier bridge 450, each rectifier bridge 450 is connected between the charge coil 440 corresponding to it and gating switch 430.This
Rectification has been completed before charge coil 440 connects gating switch 430 in the connection type of kind rectifier bridge.
In one embodiment of the invention, the charge coil for being divided into one group in advance is adjacent several charge coils,
Or in the symmetrically arranged charge coil in smart machine both ends, i.e., the charge coil group on the present embodiment smart machine includes several
Adjacent charge coil, or the charge coil including being symmetricly set on smart machine both ends.By several chargings adjacent to each other
Coil is divided into one group, can form the area of bigger to receive magnetic field, it is not necessary to meticulously be aligned smart machine just with cradle
Magnetic field can fully be received；And symmetrically arranged one group of charge coil, the charging magnetic symmetrically sent at smart machine both ends can be received
.
In one embodiment of the invention, as shown in Figure 4 and Figure 5, gating switch 430 is a pair of of single pole multiple throw,
Any charge coil 440 can be connected to the input terminal of charging management chip 420 by a pair of of single pole multiple throw, with Fig. 4 and Fig. 5
For, in a pair of of single pole multiple throw, an end of the charge coil chosen is connected to charging by one of single pole multiple throw
The positive input terminal of managing chip 420, another remaining single pole multiple throw fill another be connected to for the charge coil chosen
The negative input end of electric managing chip 420, to realize that the charge coil for the highest charge power that will be chosen connects charging.
Preferably, in one embodiment of the invention, smart machine is thrown out more including four charge coils, two hilted broadswords
It closes and a rectifier bridge, the output end of four charge coils is respectively connected to the non-moving end of two single pole multiple throws, two lists
The moved end of knife multithrow switch is separately connected two input terminals of rectifier bridge, and the output end of rectifier bridge is connected to charging management chip
Input terminal, specifically, two output ends of rectifier bridge are respectively connected to the positive input terminal and negative input end of charging management chip.It is logical
Two single pole multiple throws are crossed, can flexibly switch the charge coil of access charging circuit, to be examined from four charge coils
The highest charge coil of power is measured, and the highest charge coil of the power is connected into charging using two single pole multiple throws,
The embodiment only need a rectifier bridge to be connected to two circuit is simple between single pole multiple throw and charging management chip, section
Save device cost.
In another embodiment of the present invention, gating switch is that multipair single pole multiple throw or a pair of of multitool are thrown out more
It closes, multipair single pole multiple throw or a pair of of multi-pole, multi-throw switch can be by least one charge coil or at least one set of charging wires
Circle is connected to the input terminal of charging management chip, another embodiment of the smart machine charging circuit configuration with reference to shown in figure 6, with figure
4 and embodiment illustrated in fig. 5 the difference is that, in the embodiment shown in fig. 6, gating switch 630 is a pair of of double-pole multithrow switch,
The "+" end of two selected charge coils is commonly connected to charging management chip 420 by one of double-pole multithrow switch
The "-" end of two selected charge coils is commonly connected to charge by positive input terminal, another remaining double-pole multithrow switch
Higher two charge coils of charge power are connected charging by the negative input end of managing chip 420 to realize.It is, of course, also possible to
Other multi-pole, multi-throw switch are selected, more charge coils are connected and are charged, it is numerous to list herein.Connect one or more groups of fill
The connection type of electric coil is identical as multiple connection types of charge coil are connected, and is all to realize that one or more groups of (includes more
It is a) connection of charge coil.
In one embodiment of the invention, mobile detection sensor (not shown) is additionally provided on smart machine, it is mobile
Whether detection sensor is connect with charging management chip 420, move to detect smart machine and notify to give Charge Management core
Piece 420.
In some currently preferred embodiments of the present invention, mobile detection sensor includes：Displacement sensor and/or acceleration
Sensor.Certainly, it as long as the sensor that can detect smart machine movement can be used, no longer limits one by one herein.
In one embodiment of the invention, as shown in fig. 7, smart machine is smartwatch, smartwatch includes gauge outfit
710 and watchband 720, charging management chip and gating switch is (not shown in Fig. 7) is arranged in gauge outfit 710, multiple charge coils
740 are arranged on watchband 720.
In one embodiment of the invention, watchband includes the first watchband and the second table for being connected to gauge outfit both sides
Band, multiple charge coils are arranged on one or two of the first watchband and the second watchband.As shown in fig. 7, watchband 720 includes
It is connected to the first watchband and the second watchband of 710 both sides of gauge outfit, multiple charge coils 740 are arranged in the first watchband and second
On watchband.Certainly, multiple charge coils can also be provided separately on the first watchband or on the second watchband.
In one embodiment of the invention, watchband 720 is made of non-metallic material, such as silica gel, charge coil 740
It is placed in inside watchband 720.By the way that charge coil 740 to be placed in inside the watchband 720 of non-metallic material, on the one hand can effectively protect
Charge coil 740 is protected, another aspect non-metallic material will not generate interference to the wireless charging of charge coil 740.
In one embodiment of the invention, watchband 720 is deployable carries out wireless charging at planar to be bonded cradle.
As shown in fig. 7, watchband 720 is two sections, 710 both sides of gauge outfit are connected to, one section of left side is provided with holes 730, right side one
Section is provided with buckle, and it is planar that watchband 720 is deployable, is easy to place, and be bonded with cradle stabilization, is not likely to produce movement,
Charging process is set to stablize.
The above description is merely a specific embodiment, under the above-mentioned introduction of the present invention, those skilled in the art
Other improvement or deformation can be carried out on the basis of the above embodiments.It will be understood by those skilled in the art that above-mentioned tool
Body description only preferably explains that the purpose of the present invention, protection scope of the present invention should be subject to the protection scope in claims.
Claims (14)
1. a kind of wireless charging method of smart machine, which is characterized in that be equipped with battery, multiple charging wires in the smart machine
Circle and charging management chip, the battery and multiple charge coils are connect with the charging management chip, and this method includes：
After accessing charge power supply, the charge coil is made to receive charge power supply, each institute is detected by the charging management chip
State the charge power of charge coil and preservation；Alternatively, being in advance grouped multiple charge coils, pass through the Charge Management core
Piece detects the charge power of charge coil and preservation described in every group；
According to the charge power of the charge coil, at least one or at least one set of charge coil is connected in selection, and by being connect
Logical charge coil charges for the smart machine.
2. wireless charging method according to claim 1, which is characterized in that each charge coil of detection fills
Electrical power and preserve include：Each charge power of the charge coil in same time of detection, to obtain each described fill
The accumulative charge power of electric coil simultaneously preserves；
It is described detection every group described in charge coil charge power and preservation include：Charge coil is when identical described in detecting every group
Interior charge power, to obtain the accumulative charge power of charge coil described in every group and preserve.
3. wireless charging method according to claim 1, which is characterized in that this method further includes：
Predetermined power threshold value is set before charging starts；
The charge power of charge coil described in each or every group of the detection and the step of preservation in, when detect any one or
When the charge power of charge coil described in any group is greater than or equal to the predetermined power threshold value, then stop detecting, selection is connected
The charge power is greater than or equal to one or a set of charge coil of the predetermined power threshold value and charges for the smart machine.
4. wireless charging method according to claim 3, which is characterized in that charging wire described in each or every group of the detection
The charge power of circle and preservation specifically includes：
Switch one or a set of charge coil successively to charge for the smart machine, detects the charging of the charge coil of this switching
Power preserves larger charge power by the charge power of this detection compared with the charge power of last time detection；
This method further includes：If being not detected, there are the charge powers of one or a set of charge coil more than or equal to described
When predetermined power threshold value, then the charge power according to the charge coil, selection is connected at least one or at least one set of is filled
Electric coil includes：The charge coil connected corresponding to the charge power that last time preserves is selected to charge for the smart machine.
5. wireless charging method according to claim 1, which is characterized in that the charging work(according to the charge coil
Rate, selection connect at least one or at least one set of charge coil and include：
Since the highest one or a set of charge coil of charge power, at least one or at least one set of charging wire is connected in selection
Circle.
6. wireless charging method according to claim 1, which is characterized in that the charging work(according to the charge coil
Rate, selection connect at least one or at least one set of charge coil and include：
The highest one or a set of charge coil of charge power is connected in selection, and with charge power is highest one or a set of fills
The adjacent charge coil of electric coil or charge coil group.
7. wireless charging method according to claim 1, which is characterized in that described in advance by multiple charge coils point
Group includes：Adjacent several charge coils are divided into one group, or will be in the symmetrically arranged charging wire in smart machine both ends
Circle is divided into one group.
8. according to claim 1-7 any one of them wireless charging methods, which is characterized in that this method further includes：
To before charging complete after accessing charge power supply, the moment monitors whether the smart machine moves, if the intelligence
Equipment moves, then the charge power of charge coil and preservation described in each or every group is detected again, according to what is detected again
Charge power, at least one or at least one set of charge coil is connected in selection, and the charge coil by being connected is the intelligence
Equipment charge.
9. a kind of smart machine, it is provided with battery in the smart machine, which is characterized in that be additionally provided in the smart machine
Charging management chip, gating switch and multiple charge coils；Multiple charge coils are connected to described through the gating switch
The output end of the input terminal of charging management chip, the charging management chip connects the battery, the charging management chip
Control terminal connects the gated end of the gating switch；
After accessing charge power supply, the charging management chip detection each charge power of the charge coil and preservation；Alternatively,
Multiple charge coils are grouped in advance, and the charging management chip detects the charge power of charge coil and guarantor described in every group
It deposits；
According to the charge power of the charge coil, the charging management chip controls the gating switch, and selection is connected at least
One or at least one set of charge coil, and the charge coil by being connected charges for the smart machine.
10. smart machine according to claim 9, which is characterized in that the smart machine further includes rectifier bridge；
There are one the rectifier bridge settings, and one rectifier bridge is connected to the gating switch and the charging management chip
Between input terminal；
Alternatively, the rectifier bridge is provided with multiple, each corresponding described charge coil is respectively provided with that there are one the rectifier bridges, often
A rectifier bridge is connected to the charge coil corresponding to it and between the gating switch.
11. smart machine according to claim 9, which is characterized in that the charge coil for being divided into one group in advance is adjacent
Several charge coils, or in the symmetrically arranged charge coil in smart machine both ends.
12. smart machine according to claim 9, which is characterized in that be additionally provided with mobile detection on the smart machine
Sensor, the mobile detection sensor are connect with the charging management chip, to detect whether the smart machine moves
It moves and notifies to the charging management chip.
13. smart machine according to claim 9, which is characterized in that the smart machine is smartwatch, the intelligence
Wrist-watch includes gauge outfit and watchband, and the charging management chip and the gating switch are arranged in the gauge outfit, multiple described to fill
Electric coil is arranged on the watchband.
14. smart machine according to claim 13, which is characterized in that the watchband includes being connected to the gauge outfit
The first watchband and the second watchband of both sides, multiple charge coils are arranged in first watchband and second watchband
On one or two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810174927.5A CN108462259A (en) | 2018-03-02 | 2018-03-02 | The wireless charging method and a kind of smart machine of a kind of smart machine |
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| CN201810174927.5A CN108462259A (en) | 2018-03-02 | 2018-03-02 | The wireless charging method and a kind of smart machine of a kind of smart machine |
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| CN106712215A (en) * | 2017-02-27 | 2017-05-24 | 中惠创智（深圳）无线供电技术有限公司 | Intelligent wireless charging circuit, intelligent wireless charging device and wireless charging method |
| US20180062431A1 (en) * | 2016-08-31 | 2018-03-01 | Silergy Semiconductor Technology (Hangzhou) Ltd | Power receiving antenna and wearable electronic device with the same |
| CN207968084U (en) * | 2018-03-02 | 2018-10-12 | 歌尔股份有限公司 | A kind of smart machine |
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|---|---|---|---|---|
| US20150115726A1 (en) * | 2013-10-31 | 2015-04-30 | Samsung Electro-Mechanics Co., Ltd. | Electronic device |
| US20180062431A1 (en) * | 2016-08-31 | 2018-03-01 | Silergy Semiconductor Technology (Hangzhou) Ltd | Power receiving antenna and wearable electronic device with the same |
| CN106712215A (en) * | 2017-02-27 | 2017-05-24 | 中惠创智（深圳）无线供电技术有限公司 | Intelligent wireless charging circuit, intelligent wireless charging device and wireless charging method |
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