CN209419288U - The system and wearable electronic of compatible for wired charging and wireless charging - Google Patents
The system and wearable electronic of compatible for wired charging and wireless charging Download PDFInfo
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- CN209419288U CN209419288U CN201920415969.3U CN201920415969U CN209419288U CN 209419288 U CN209419288 U CN 209419288U CN 201920415969 U CN201920415969 U CN 201920415969U CN 209419288 U CN209419288 U CN 209419288U
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Abstract
The utility model discloses the system and wearable electronic of a kind of compatible for wired charging and wireless charging, the system includes: wired charging circuit, its output end is connect with electric power management circuit, and wired charging circuit is configured as, and the cable power of access is exported to electric power management circuit；Wireless charging circuit, output end are connect with electric power management circuit, and wireless charging circuit is configured as, and the wireless power source of access is exported to electric power management circuit；Voltage detecting and controling circuit, test side are connect with the input terminal of wired charging circuit, and the output end of voltage detecting and controling circuit and the controlled end of wireless charging circuit connect；Voltage detecting and controling circuit is configured as when having detected cable power access, and control wireless charging circuit stops output wireless power source.The utility model solves wired and wireless two-way electric current and works at the same time, and is easy to cause electric current excessive, and electron equipment belt carrys out security risk, and the problem of influence the service life of battery.
Description
Technical field
The utility model relates to electronic circuit technology field, in particular to a kind of compatible for wired charging is with wireless charging
System and wearable electronic.
Background technique
It, can with the fast development of wearable electronic technology, such as smartwatch, Intelligent bracelet and wireless headset
Dress electronic equipment using more and more extensive, wearable electronic also obtains more and more frequently using on various occasions,
It is also increasingly longer that the time is intended for single use, therefore in order to carry out continuation of the journey charging to wearable electronic, uses wireless charging at present
It charges simultaneously to wearable electronic with wired charging, however to easily cause charging current excessive for this mode, causes
Electronic equipment charging is dangerous.
Utility model content
The main purpose of the utility model is system and the wearable electricity for proposing a kind of compatible for wired charging and wireless charging
Sub- equipment, it is intended to solve wired and wireless two-way electric current and work at the same time, be easy to cause electric current excessive, electron equipment belt carrys out safety
Hidden danger, and influence battery service life the problem of.
To achieve the above object, described simultaneous the utility model proposes a kind of system of compatible for wired charging and wireless charging
Appearance wired charging and the system of wireless charging include:
Electric power management circuit；
Wired charging circuit, output end are connect with the electric power management circuit, and the wired charging circuit is configured as,
The cable power of access is exported to the electric power management circuit, to carry out power storage；
Wireless charging circuit, output end are connect with the electric power management circuit, and the wireless charging circuit is configured as,
The wireless power source of access is exported to the electric power management circuit, to carry out power storage；
Voltage detecting and controling circuit, test side are connect with the input terminal of the wired charging circuit, the voltage detecting
The output end of control circuit is connect with the controlled end of the wireless charging circuit；The voltage detecting and controling circuit, is configured as
When having detected cable power access, controls the wireless charging circuit and stop exporting the wireless power source.
Optionally, the electric power management circuit includes charging chip and energy-storage battery, the input terminal point of the charging chip
It is not connect with the output end of the output end of the wired charging circuit and the wireless charging circuit, the output of the charging chip
End is connect with the energy-storage battery.
Optionally, the wireless charging circuit includes wireless receiving coil, wireless receiving control chip, the wireless receiving
Coil is coupled with the transmitting coil of external wireless charging equipment, and the wireless receiving coil also controls chip with the wireless receiving
Input terminal connection；The output end of the wireless receiving control chip is the output end of the wireless charging circuit, described wireless
The enable end for receiving control chip is the controlled end of the wireless charging circuit.
Optionally, the wireless charging circuit further includes the first one-way conduction element, the first one-way conduction element
One end is connect with the output end of wireless receiving control chip, the other end and the power supply of the first one-way conduction element
Manage the input terminal connection of circuit.
Optionally, the voltage detecting and controling circuit includes first resistor and second resistance, and the first of the first resistor
End is connect with the input terminal of the wired charging circuit, and the second end of the first resistor is grounded through the first resistor；It is described
The common end of first resistor and the second resistance is connect with the enable end of wireless receiving control chip.
Optionally, the wireless charging circuit further includes pull down resistor, and one end of the pull down resistor wirelessly connects with described
Receive the enable end connection of control chip；
The voltage detecting and controling circuit includes master controller and voltage-dividing detection circuit, the input of the voltage-dividing detection circuit
End is that the input terminal of the wired charging circuit connects, the input of the output end of the voltage-dividing detection circuit and the master controller
End connection, the control terminal of the master controller are connect with the enable end of wireless receiving control chip.
Optionally, the voltage-dividing detection circuit includes 3rd resistor and the 4th resistance, the first end of the 3rd resistor with
The input terminal of the wired charging circuit connects, and the second end of the 3rd resistor is grounded through the 3rd resistor；Described first
The common end of resistance and the second resistance is connect with the input of the master controller.
Optionally, which is characterized in that the wired charging circuit includes wired USB power source, wired USB power source it is defeated
Enter and terminate into cable power, the output end of wired USB power source is connect with the input terminal of the electric power management circuit.
Optionally, the wired charging circuit further includes the second one-way conduction element, the second one-way conduction element
One end is connect with the output end of wired USB power source, the other end and the power management of the second one-way conduction element
The input terminal of circuit connects.
The utility model also proposes a kind of wearable electronic, including compatible for wired as described above charging and wireless charging
The system of electricity.
The utility model accesses cable power by setting wired charging circuit, and passes through setting wireless charging circuit
Access wireless power source, the power supply of the two access is exported to electric power management circuit, the power supply that will access carries out power supply and converts simultaneously
Storage, so that two kinds of charging moulds of wireless charging and wired charging can be used when realization charges to wearable electronic
Formula charges to wearable electronic, realizes the compatibility of a variety of charge modes.The utility model also passes through setting voltage and examines
It surveys control circuit, to detect whether wired charging circuit has cable power input, and is detecting cable power input, then it is defeated
The controlled end of signal to wireless charging circuit is controlled, out to control the output that wireless charging circuit stops power supply.The utility model
By currently only having wired charging circuit or wireless charging circuit to power to electric power management circuit in guarantee system, to solve
The problem of wired and wireless two-way electric current works at the same time, and is easy to cause electric current excessive, and electron equipment belt carrys out security risk, with
And the problem of influencing the service life of battery.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the functional module structure signal of one embodiment of system of the charging of the utility model compatible for wired and wireless charging
Figure；
Fig. 2 is the first embodiment of the system of compatible for wired charging and wireless charging that the utility model embodiment is related to
Structural schematic diagram；
Fig. 3 is the second embodiment of the system of compatible for wired charging and wireless charging that the utility model embodiment is related to
Structural schematic diagram.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
The utility model proposes a kind of systems of compatible for wired charging and wireless charging, are suitable for wearable electronic
In.
The wearable electronic can be smartwatch, Intelligent bracelet, 3D glasses, somatic sensation television game helmet etc..These can
Dressing electronic equipment it is also increasingly longer may to be intended for single use the time by user's more and more frequent use on various occasions.It can wear
Wearing electronic equipment is mostly internal self-powered, such as battery, but its self-powered general capacity is limited, inevitable earth subsidence
Enter among short problem in cruise duration.Therefore, when charging to wearable electronic, using wireless charging and can have
Line charge electricity simultaneously charges to wearable electronic.However wired and wireless two-way electric current is easy to cause when working at the same time
Electric current is excessive, and makes wearable electronic fever serious, in the case where radiating not in time, gives wearable electronic band
Carry out security risk, also, uses high current for the service life of battery charging also influence battery for a long time.
To solve the above-mentioned problems, referring to Fig.1, in an embodiment of the utility model, compatible for wired charging and wireless
The system of charging includes:
Electric power management circuit 40；
Wired charging circuit 10, output end are connect with the electric power management circuit 40,10 quilt of wired charging circuit
It is configured to, the cable power of access is exported to the electric power management circuit 40, to carry out power storage；
Wireless charging circuit 20, output end are connect with the electric power management circuit 40,20 quilt of wireless charging circuit
It is configured to, the wireless power source of access is exported to the electric power management circuit 40, to carry out power storage；
Voltage detecting and controling circuit 30, test side are connect with the input terminal of the wired charging circuit 10, the voltage
The output end of detection control circuit 30 is connect with the controlled end of the wireless charging circuit 20；The voltage detecting and controling circuit
30, it is configured as when having detected cable power access, controls the wireless charging circuit 20 and stop exporting the radio
Source.
In the present embodiment, electricity that electric power management circuit 40 can export wired charging circuit 10 and wireless charging circuit 20
Source carries out power supply conversion, to be converted into the supply voltage of the loads such as display module in wearable electronic, microphone, loudspeaker
After stored.
Wired charging circuit 10 includes the power interface and DC bus for wired plant-grid connection, which can be
USB-type C interface, Mini USB interface, pogo pin connector or other chargings being adapted to wearable electronic
Interface, herein with no restrictions.After power interface accesses DC power supply, after carrying out power supply conversion, output to electric power management circuit
40。
Wireless charging circuit 20 includes resonant network, rectification circuit, and voltage regulator circuit etc., wireless charging circuit 20 will couple defeated
After the processing such as the power supply entered rectified, filtered, pressure stabilizing, output to electric power management circuit 40.
It is understood that wired charging circuit 10 can export the DC power supply of access to power-switching circuit, and
Wireless charging circuit 20 such as is rectified, is filtered at the power supply processings, therefore wired charging circuit 10 is compared to wireless charging electricity
Charge efficiency is high on road 20, therefore the present embodiment has power input in both wired charging circuit 10 and wireless charging circuit 20 simultaneously
When, the path of preferential wired charging circuit 10 namely wired charging circuit 10 can be directly accessed, the road of wireless charging circuit 20
Diameter then needs the control based on voltage detecting and controling circuit 30.
Voltage detecting and controling circuit 30 can be connect with the DC bus of wired charging circuit 10, to detect wired charging electricity
Whether road 10 has cable power input, once having detected cable power input, then outputs control signals to wireless charging circuit
20 controlled end, to control the output that wireless charging circuit 20 stops power supply.So set, current wireless charging electricity can be made
Once detected wired charging power supply while having inputted (namely the two while inputting), then controlled when carrying out wireless charging on road 20
Wireless charging circuit 20 processed stops charging, and when the access of wired charging circuit 10 is not detected, then control wireless charging circuit
20 work on, and provide power supply for electric power management circuit 40.Or in only (this when being charged of wired charging circuit 10
When wireless power source do not access), then output forbids wireless charging circuit 20 to access and charge again, thus current in guarantee system
Only wired charging circuit 10 or wireless charging circuit 20 are powered to electric power management circuit 40.
The utility model accesses cable power by setting wired charging circuit 10, and passes through setting wireless charging electricity
Wireless power source is accessed on road 20, and the power supply of the two access is exported to electric power management circuit 40, the power supply progress power supply that will access
It converts and stores, so that wireless charging and two kinds of wired charging can be used when realization charges to wearable electronic
Charge mode charges to wearable electronic, realizes the compatibility of a variety of charge modes.The utility model also passes through setting
Voltage detecting and controling circuit 30 to detect whether wired charging circuit 10 has cable power input, and is detecting wired electricity
Source input, then output control signals to the controlled end of wireless charging circuit 20, stops power supply to control wireless charging circuit 20
Output.The utility model in guarantee system by currently only having wired charging circuit 10 or wireless charging circuit 20 to power supply pipe
It manages circuit 40 to power, is worked at the same time to solve wired and wireless two-way electric current, be easy to cause electric current excessive, give wearable electricity
Sub- equipment belt carrys out security risk, and the problem of influence the service life of battery.
Referring to Fig. 2 or Fig. 3, in one embodiment, the electric power management circuit 40 includes charging chip U1 and energy-storage battery
VBAT, the input terminal of the charging chip U1 respectively with the output end and the wireless charging circuit of the wired charging circuit 10
20 output end connection, the output end of the charging chip U1 are connect with the energy-storage battery VBAT.
In the present embodiment, the power supply that charging chip U1 can export wired charging circuit 10 or wireless charging circuit 20 turns
After being changed to the storage voltage of energy-storage battery VBAT, export to energy-storage battery VBAT, to carry out power storage.Charging chip U1 may be used also
To realize management and distribution to load power source in wearable electronic.Energy-storage battery VBAT can use dry cell, Chu Li
The realization of the rechargeable batteries such as ion battery or nickel-metal hydride battery, control of the energy-storage battery VBAT based on charging chip U1, wearable
It is the load supplyings such as display module, microphone, the loudspeaker of wearable electronic when electronic device works.
Referring to Fig. 2 or Fig. 3, in one embodiment, the wireless charging circuit 20 includes wireless receiving coil L1, wirelessly connects
Control chip U2 is received, the wireless receiving coil L1 is coupled with the transmitting coil of external wireless charging equipment, the wireless receiving
Coil L1 is also connect with the input terminal of wireless receiving control chip U2；The output end of wireless receiving control chip U2 is
The enable end of the output end of the wireless charging circuit 20, the wireless receiving control chip U2 is the wireless charging circuit 20
Controlled end.
In the present embodiment, wireless receiving coil L1 can generate resonance with external wireless electric energy charger, and then realize electricity
The transmission of energy, wireless receiving control in chip U2 and are integrated with rectification circuit, filter regulator circuit, the AC energy that will be received
It exports after being converted to stable DC electric energy to electric power management circuit 40.Wireless receiving controls chip U2 and is based on voltage detecting control electricity
The control on road 30, when voltage detecting and controling circuit 30 has detected cable power access, control wireless receiving controls chip U2
Stop direct current energy output, or forbid wireless receiving control chip U2 work, with guarantee wired and wireless power supply simultaneously
Input can preferentially cable power export, when so as to avoid the two while inputting, cause charging current excessive, damage electricity
The problem of pond and wearable electronic, occurs.
Referring to Fig. 2 or Fig. 3, in one embodiment, the wireless charging circuit 20 further includes the first one-way conduction element D1,
One end of the first one-way conduction element D1 is connect with the output end of wireless receiving control chip U2, and described first is unidirectional
The other end of breakover element D1 is connect with the input terminal of the electric power management circuit 40.
In the present embodiment, the first one-way conduction element D1 can use diode, single-pole double-throw switch (SPDT), or simulation to open
It closes, the present embodiment is optional to be realized using diode, and the anode of diode is connect with wireless receiving control chip U2, diode
Cathode is connect with the output end of electric power management circuit 40 and wired charging circuit 10, and diode is led when there is wireless power source output
It is logical, and when wired charging circuit 10 exports cable power, it is reversed to end, so as to prevent wireless charging circuit 20 from causing to leak
Electricity, voltage flow backward, while can also realize being effectively isolated for cable power and wireless power source two-way power supply.
Referring to FIG. 1 and FIG. 2, in the first embodiment, the voltage detecting and controling circuit 30 includes first resistor R1 and the
Two resistance R2, the first end of the first resistor R1 are connect with the input terminal of the wired charging circuit 10, the first resistor
The second end of R1 is grounded through the first resistor R1；The common end of the first resistor R1 and the second resistance R2 and the nothing
Line receives the enable end connection of control chip U2.
In the present embodiment, first resistor R1 and second resistance R2 form voltage-dividing detection circuit 31, first resistor R1 and second
Resistance R2 is optional to be realized using the biggish resistance of resistance value ratio, therefore when detecting, voltage detecting and controling circuit 30 its own
Electrical source consumption is smaller, it is ensured that the detection accuracy of voltage detecting value.According to series connection voltage divider principle, first resistor R1 and second
The ratio of resistance R2 is bigger, and the voltage that second resistance R2 divides is more, therefore, passes through and adjusts the electricity of first resistor R1 and/or second
The resistance value for hindering R2 can also adjust the output to the size of the control signal of wireless receiving control chip U2, specifically can be according to electricity
The precision of detected value is pressed to be arranged, herein with no restrictions.It is understood that the wireless receiving control chip U2 of the present embodiment is low
Work when level is enabled namely enable end receives low level, does not work when receiving high level.A termination of second resistance R2
Ground, the other end connect with the enable end of wireless receiving control chip U2, does not input in cable power, when having wireless power source, output
Low level enable signal to wireless receiving controls chip U2, to make wireless receiving control chip U2 work.And once have
Line power input, then first resistor R1 and second resistance R2 forms voltage-dividing detection circuit 31 and exports the control signal of high level extremely
Wireless receiving controls the enable end of chip U2, does not work to control wireless receiving control chip U2.
Referring to Fig.1 and Fig. 3, in a second embodiment, the wireless charging circuit 20 further includes pull down resistor R5, under described
One end of pull-up resistor R5 is connect with the enable end of wireless receiving control chip U2；
The voltage detecting and controling circuit 30 includes master controller U3 and voltage-dividing detection circuit 31, the voltage-dividing detection circuit
31 input terminal is that the input terminal of the wired charging circuit 10 connects, the output end of the voltage-dividing detection circuit 31 and the master
The input terminal of controller U3 connects, and the enable end of the control terminal of the master controller U3 and wireless receiving control chip U2 connect
It connects.
In the present embodiment, one end of pull down resistor R5 is grounded, and the enable end of the other end and wireless receiving control chip U2 connect
It connects, is not inputted in cable power, when having wireless power source, export low level enable signal to wireless receiving and control chip U2, from
And make wireless receiving control chip U2 work.
Master controller U3 can be the microprocessors such as single-chip microcontroller, DSP and FPGA, certainly in some embodiments, it is also possible to
It is to be realized using wearable special integrated circuit, herein with no restrictions.Those skilled in the art can be by main control
Some hardware circuits and software program or algorithm are integrated in device U3, are set using various interfaces and the entire wearable electronic of connection
Standby various pieces, by running or executing software program and/or module in master controller U3, and calling master controller U3
Interior data execute the various functions and processing data of wearable electronic, to carry out to wearable electronic whole
Monitoring.
In addition, being also integrated with the hard of the detection signal for analyzing and comparing the output of voltage-dividing detection circuit 31 in master controller
Part circuit, such as comparator, logic circuit etc., or software program or algorithm are used, master control is stored in by running or executing
Software program and/or module in device U3 memory processed, and the data being stored in memory are called, according to partial pressure detection electricity
The detection signal that road 31 exports makes corresponding control.Voltage-dividing detection circuit 31 is used to detect the input of cable power, and exports
Corresponding voltage detection signal determines whether wired electricity according to voltage detection signal to master controller U3, master controller U3
Source, and the enable signal of control wireless receiving control chip U2 accordingly.When having detected cable power access, then nothing is controlled
The enable signal that line receives control chip U2 is high level, i.e., wireless receiving control chip U2 does not work；When detecting wired electricity
When source is not accessed, then the enable signal for controlling wireless receiving control chip U2 is low level, i.e., enabled wireless charging chip U1 work
Make, and exports stable voltage.It is certain that wireless receiving control chip U2 is also possible to high level and enables in other embodiments,
Namely enable end work when receiving high level, it does not work when receiving low level, master controller U3 controls core to wireless receiving
The enable signal of piece U2 then can be using logic control in contrast with the above.
In above-described embodiment, the voltage-dividing detection circuit 31 includes 3rd resistor R3 and the 4th resistance R4, the third electricity
The first end of resistance R3 is connect with the input terminal of the wired charging circuit 10, and the second end of the 3rd resistor R3 is through the third
Resistance R3 ground connection；The common end of the first resistor R1 and the second resistance R2 are connect with the input of the master controller U3.
In the present embodiment, 3rd resistor R3 and the 4th resistance R4 form voltage-dividing detection circuit 31, to detect cable power
Input, and corresponding voltage detection signal is exported to master controller U3, to make master controller U3 according to the voltage detection signal
Make corresponding control.
Referring to Fig. 2 or Fig. 3, in one embodiment, the wired charging circuit 10 includes wired USB power source VBUS, described
The input terminal of wired USB power source VBUS accesses cable power, the output end and the power management of wired USB power source VBUS
The input terminal of circuit 40 connects.
In the present embodiment, wired USB power source VBUS can be mobile power source, be also possible to the output such as terminal, such as computer
Power supply, wired USB power source VBUS can also be the power supply of power supply adaptor output, and wired USB power source VBUS is by the straight of access
Galvanic electricity source is direct, or after the power supplys conversion such as being depressured, filtering output to electric power management circuit 40.
Referring to Fig. 2 or Fig. 3, in one embodiment, the wired charging circuit 10 further includes the second one-way conduction element D2,
One end of the second one-way conduction element D2 is connect with the output end of wired USB power source VBUS, and described second unidirectionally leads
The other end of logical element D2 is connect with the input terminal of the electric power management circuit 40.
Second one-way conduction element D2 can use diode, single-pole double-throw switch (SPDT) or analog switch, the present embodiment
Optional to be realized using diode, the anode of diode is connect with wireless receiving control chip U2, the cathode and power supply of diode
The output end for managing circuit 40 and wired charging circuit 10 connects, diode conducting when there is wireless power source output, and wired
It is reversed to end when charging circuit 10 exports cable power, so as to prevent from causing wireless charging circuit 20 electric leakage, voltage to fall
It fills, while can also realize being effectively isolated for cable power and wireless power source two-way power supply.
The utility model further includes a kind of wearable electronic, including compatible for wired as described above charging and wireless charging
System.
The detailed construction of the system of compatible for wired charging and wireless charging can refer to above-described embodiment, no longer superfluous herein
It states；It is understood that due to having used above-mentioned compatible for wired charging and wireless in the utility model wearable electronic
The system of charging, therefore, the embodiment of the utility model wearable electronic include above-mentioned compatible for wired charging and wireless charging
Whole technical solutions of the system whole embodiments of electricity, and technical effect achieved is also identical, details are not described herein.
In the present embodiment, wearable electronic can be smartwatch, Intelligent bracelet, 3D glasses, the somatic sensation television game helmet
Deng, the load such as loudspeaker, microphone, display screen can be set in wearable electronic, it specifically can be according to wearable electricity
The product type of sub- equipment is configured.The electric energy that the system of compatible for wired charging and wireless charging stores can then supply for load
Electricity.
The foregoing is merely the alternative embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of system of compatible for wired charging and wireless charging characterized by comprising
Electric power management circuit；
Wired charging circuit, output end connect with the electric power management circuit, are configured as, and the cable power of access is exported
To the electric power management circuit, to carry out power storage；
Wireless charging circuit, output end connect with the electric power management circuit, are configured as, and the wireless power source of access is exported
To the electric power management circuit, to carry out power storage；
Voltage detecting and controling circuit, test side are connect with the input terminal of the wired charging circuit, the voltage detecting control
The output end of circuit is connect with the controlled end of the wireless charging circuit；The voltage detecting and controling circuit is configured as examining
When having measured cable power access, controls the wireless charging circuit and stop exporting the wireless power source.
2. the system of compatible for wired charging and wireless charging as described in claim 1, which is characterized in that the power management electricity
Road includes charging chip and energy-storage battery, the input terminal of the charging chip respectively with the output end of the wired charging circuit and
The output end of the wireless charging circuit connects, and the output end of the charging chip is connect with the energy-storage battery.
3. the system of compatible for wired charging and wireless charging as described in claim 1, which is characterized in that the wireless charging electricity
Road includes wireless receiving coil, wireless receiving control chip, the transmitting of the wireless receiving coil and external wireless charging equipment
Coil coupling, the wireless receiving coil are also connect with the input terminal of wireless receiving control chip；The wireless receiving control
The output end of coremaking piece is the output end of the wireless charging circuit, and the enable end of the wireless receiving control chip is the nothing
The controlled end of line charging circuit.
4. the system of compatible for wired charging and wireless charging as claimed in claim 3, which is characterized in that the wireless charging electricity
Road further includes the first one-way conduction element, and one end and the wireless receiving of the first one-way conduction element control the defeated of chip
Outlet connection, the other end of the first one-way conduction element are connect with the input terminal of the electric power management circuit.
5. the system of compatible for wired charging and wireless charging as claimed in claim 3, which is characterized in that the voltage detecting control
Circuit processed includes first resistor and second resistance, the input terminal company of the first end of the first resistor and the wired charging circuit
It connects, the second end of the first resistor is grounded through the second resistance；The common end of the first resistor and the second resistance
It is connect with the enable end of wireless receiving control chip.
6. the system of compatible for wired charging and wireless charging as claimed in claim 3, which is characterized in that the wireless charging electricity
Road further includes pull down resistor, and one end of the pull down resistor is connect with the enable end of wireless receiving control chip；
The voltage detecting and controling circuit includes master controller and voltage-dividing detection circuit, and the input terminal of the voltage-dividing detection circuit is
The input terminal of the wired charging circuit connects, and the input terminal of the output end of the voltage-dividing detection circuit and the master controller connects
It connects, the control terminal of the master controller is connect with the enable end of wireless receiving control chip.
7. the system of compatible for wired charging and wireless charging as claimed in claim 6, which is characterized in that the partial pressure detection electricity
Road includes 3rd resistor and the 4th resistance, and the first end of the 3rd resistor is connect with the input terminal of the wired charging circuit,
The second end of the 3rd resistor is through the 4th resistance eutral grounding；The common end and institute of the 3rd resistor and the 4th resistance
State the input connection of master controller.
8. the system of compatible for wired charging and wireless charging as claimed in any one of claims 1 to 7, which is characterized in that institute
Stating wired charging circuit includes wired USB power source, and the input terminal of wired USB power source accesses cable power, wired USB
The output end of power supply is connect with the input terminal of the electric power management circuit.
9. the system of compatible for wired charging and wireless charging as claimed in claim 8, which is characterized in that the wired charging electricity
Road further includes the second one-way conduction element, the output end of one end of the second one-way conduction element and wired USB power source
Connection, the other end of the second one-way conduction element are connect with the input terminal of the electric power management circuit.
10. a kind of wearable electronic, which is characterized in that including compatible for wired as claimed in any one of claims 1 to 9
The system of charging and wireless charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415969.3U CN209419288U (en) | 2019-03-28 | 2019-03-28 | The system and wearable electronic of compatible for wired charging and wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415969.3U CN209419288U (en) | 2019-03-28 | 2019-03-28 | The system and wearable electronic of compatible for wired charging and wireless charging |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783984A (en) * | 2019-10-30 | 2020-02-11 | 歌尔科技有限公司 | Charging box, charging control method thereof and readable storage medium |
| CN110783996A (en) * | 2019-11-28 | 2020-02-11 | 歌尔科技有限公司 | Wrist-worn device compatible with wireless charging and wired charging |
| CN112165139A (en) * | 2020-09-30 | 2021-01-01 | 北京小米移动软件有限公司 | Charging circuit, charging control method, charging control device, terminal and storage medium |
| CN114421578A (en) * | 2022-03-28 | 2022-04-29 | 成都万创科技股份有限公司 | Charging management system and method for charging equipment |
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2019
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783984A (en) * | 2019-10-30 | 2020-02-11 | 歌尔科技有限公司 | Charging box, charging control method thereof and readable storage medium |
| CN110783984B (en) * | 2019-10-30 | 2023-11-07 | 歌尔科技有限公司 | Charging cartridge, charging control method thereof, and readable storage medium |
| CN110783996A (en) * | 2019-11-28 | 2020-02-11 | 歌尔科技有限公司 | Wrist-worn device compatible with wireless charging and wired charging |
| CN112165139A (en) * | 2020-09-30 | 2021-01-01 | 北京小米移动软件有限公司 | Charging circuit, charging control method, charging control device, terminal and storage medium |
| CN114421578A (en) * | 2022-03-28 | 2022-04-29 | 成都万创科技股份有限公司 | Charging management system and method for charging equipment |
| CN114421578B (en) * | 2022-03-28 | 2022-06-21 | 成都万创科技股份有限公司 | Charging management system and method for charging equipment |
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