CN105790335A - Wireless charging system and wireless charging method - Google Patents
Wireless charging system and wireless charging method Download PDFInfo
- Publication number
- CN105790335A CN105790335A CN201410817164.3A CN201410817164A CN105790335A CN 105790335 A CN105790335 A CN 105790335A CN 201410817164 A CN201410817164 A CN 201410817164A CN 105790335 A CN105790335 A CN 105790335A
- Authority
- CN
- China
- Prior art keywords
- charging
- charge
- electric energy
- discharge
- transport module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012423 maintenance Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000011664 signaling Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a wireless charging system which comprises a charge and discharge module, a control module and a wireless transmission module, wherein the charge and discharge module comprises a spring switch; the spring switch is used for detecting whether electric equipment is connected to the wireless charging system or not and generating a charging switch signal; the wireless transmission module is used for wirelessly outputting electric energy; the charge and discharge module is used for judging whether the charging switch signal is stable within a set time period or not and generating a corresponding charging control signal; and the control module is used for controlling the wireless transmission module to output the electric energy to the electric equipment according to the charging control signal, or controlling the wireless transmission module to stop outputting the electric energy to the electric equipment, or controlling the wireless transmission module to keep the state of stopping outputting the electric energy to the electric equipment, or controlling the wireless transmission module to keep the state of outputting the electric energy to the electric equipment. According to the wireless charging system, whether the charging state is changed or not is determined according to whether the charging switch signal generated by the spring switch is stable or not, so that waste is avoided. The invention further discloses a wireless charging method.
Description
Technical field
The present invention relates to charging technique field, especially relate to a kind of wireless charging system and a kind of wireless charging method.
Background technology
Wireless charger refers to the charger that charge power supply line that need not be traditional is connected on the terminal unit needing charging.Adopting wireless charging technology, electrical equipment, the wired charge condition such as charging base station, mobile phone, MP3 player, electric tool and other power supply adaptor will not be present in.Wireless charging technology, briefly, it is simply that utilize Inductive coupling techniques by using the magnetic field produced between coil to transmit electric energy.The advantage of wireless charging technology is in that convenience and versatility.
Due to convenience and the versatility of above-mentioned wireless charging technology, wireless charger is applied to different use environment.But, in current wireless charging technology, charging base is all hand switch, user take away electrical equipment forget to power off time, it is easy to cause waste.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art.For this, the present invention need to propose a kind of can be automatically switched off wireless charging system and a kind of wireless charging method.
A kind of wireless charging system, including charge-discharge modules, controls module and wireless transport module；
This charge-discharge modules is connected with this control module, and this wireless transport module is connected with this control module；
This charge-discharge modules includes snap switch, and whether this snap switch accesses this wireless charging system for detection equipment and generate the charge switch signal of correspondence；
This wireless transport module is for wirelessly exporting electric energy to this electrical equipment；
This charge-discharge modules is for judging whether this charge switch signal stablizes and generate the charging control signal of correspondence within the setting time period；
This control module controls this wireless transport module output electric energy to this electrical equipment according to this charging control signal, or control this wireless transport module and stop output electric energy to this electrical equipment, or control the state that this wireless transport module keeps stopping output electric energy to this electrical equipment, or control the state that this wireless transport module keeps exporting electric energy to this electrical equipment.
Above-mentioned wireless charging system, whether the charge switch signal generated by snap switch is stablized decides whether change charged state.Therefore, when user takes electrical equipment away, above-mentioned wireless charging system can be automatically stopped output electric energy, it is to avoid waste.
In one embodiment, this control module controls the electric energy of this wireless transport module output rechargeable battery to this electrical equipment according to this charging control signal, or controls the electric energy state to this electrical equipment of this wireless transport module maintenance this rechargeable battery of output.
In one embodiment, this charge-discharge modules includes the single-chip microcomputer being connected with this snap switch, this single-chip microcomputer is used for judging whether this charge switch signal is stable within this setting time period, if, this single-chip microcomputer generates the first charging control signal representing this wireless transport module output electric energy to this electrical equipment, or generate the second charging control signal representing this wireless transport module stopping output electric energy to this electrical equipment, if not, this single-chip microcomputer generates and represents the 3rd charging control signal keeping this wireless transport module stopping output electric energy to the state of this electrical equipment, or generate the 4th charging control signal representing maintenance this wireless transport module output electric energy to the state of this electrical equipment.
In one embodiment, this charge-discharge modules also includes the Tip element being connected with this single-chip microcomputer, this Tip element is for pointing out the charged state of this electrical equipment of user, and this single-chip microcomputer points out the charged state of this this electrical equipment of user according to this charging control signal for controlling this Tip element.
In one embodiment, this charge-discharge modules also includes temperature detecting unit and voltage detection unit；
This temperature detecting unit is for detecting the temperature of this rechargeable battery, and this voltage detection unit is for detecting charging current and the discharge current of this rechargeable battery；
This charge-discharge modules is used for generating the stop signal of the charge or discharge stopping this rechargeable battery according to this temperature, this charging current or this discharge current, or keep the maintenance signal of the state of the charge or discharge of this rechargeable battery, this control module stops charging or the charging of this rechargeable battery according to this stop signal for controlling this charge-discharge modules, and according to this maintenance signal, keep electric discharge or the charged state of this rechargeable battery for controlling this charge-discharge modules.
In one embodiment, if this wireless transport module is in the electric energy stopping this rechargeable battery of output to the state of this electrical equipment, this charge-discharge modules is for being charged this rechargeable battery.
A kind of wireless charging method, comprises the following steps:
S11: snap switch generates charge switch signal；
S12: charge-discharge modules judges whether this charge switch signal is stable within the setting time period, if entering step S13, if it is not, enter step S14 if not；
S13: this charge-discharge modules generates charging control signal, controls module and controls wireless transport module output electric energy according to this charging control signal, or control this wireless transport module stopping output electric energy；
S14: this charge-discharge modules generates this charging control signal, this control module controls this wireless transport module according to this charging control signal and keeps stopping the state of output electric energy, or controls the state of this wireless transport module maintenance output electric energy.
In one embodiment, in step s 13, this control module controls the electric energy of this wireless transport module output rechargeable battery according to this charging control signal, or controls the electric energy of this wireless transport module stopping this rechargeable battery of output；And
In step S14, this control module controls, according to this charging control signal, the state that this wireless transport module keeps stopping exporting the electric energy of this chargeable electricity, or controls the state that this wireless transport module keeps the electric energy of this rechargeable battery of output.
nullIn one embodiment，This charge-discharge modules includes the single-chip microcomputer being connected with this snap switch，In step s 12，This single-chip microcomputer is used for judging whether this charge switch signal is stable within this setting time period，In step s 13，This single-chip microcomputer generates the first charging control signal representing this wireless transport module output electric energy，Or generate the second charging control signal representing that this wireless transport module stops output electric energy，This control module controls this wireless transport module output electric energy according to this first charging control signal，And control this wireless transport module stopping output electric energy according to this second charging module，In step S14，This single-chip microcomputer generates and represents the 3rd charging control signal keeping this wireless transport module to stop exporting the state of electric energy，Or generate the 4th charging control signal representing the state keeping this wireless transport module output electric energy，This control module controls wireless transport module according to the 3rd charging control signal and keeps stopping the state of output electric energy，And the state of this wireless transport module maintenance output electric energy is controlled according to the 4th charging module.
In one embodiment, step S13 or step S14 also includes:
When this rechargeable battery is in discharge condition, temperature detecting unit detects the discharge temp of this rechargeable battery, voltage detection unit detects the discharge current of this rechargeable battery, this charge-discharge modules be used for judging this discharge temp whether more than discharge temp threshold values and this discharge current whether more than discharge current threshold values, if this discharge temp more than this discharge temp threshold values or this discharge current more than this discharge current threshold values, this charge-discharge modules generates and stops discharge signal, this control module controls this charge-discharge modules according to this stopping discharge signal and stops the electric discharge of this rechargeable battery；
And when this rechargeable battery place charged state, this temperature detecting unit detects the charging temperature of this rechargeable battery, this voltage detection unit detects the charging current of this rechargeable battery, this charge-discharge modules be used for judging this charging temperature whether more than charging temperature threshold values and this charging current whether more than charging current threshold values, if this charging temperature more than this charging temperature threshold values or this charging current more than this charging current threshold values, this charge-discharge modules generates and stops charging signals, this control module controls this charge-discharge modules according to this stopping charging signals and stops the charging of this rechargeable battery.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the module diagram of the wireless charging system of better embodiment of the present invention；
Fig. 2 is the module diagram of the charge-discharge modules of better embodiment of the present invention；And
Fig. 3 is the schematic flow sheet of the wireless charging method of better embodiment of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance or hidden conjunction indicate the quantity of indicated technical characteristic.Thus, define " first ", the feature of " second " can express or hidden conjunction include one or more described features.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrically connect or can intercom mutually；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are only merely illustrative, and are not intended to the restriction present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter, this repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.Additionally, the example of the various specific technique that the invention provides and material, but those of ordinary skill in the art are it can be appreciated that the use of the application of other techniques and/or other materials.
Referring to Fig. 1, the wireless charging system 100 of better embodiment of the present invention includes charge-discharge modules 102, controls module 104 and wireless transport module 106.In present embodiment, this wireless charging system 100 is connected with rechargeable battery 300, and utilizes the electric energy of rechargeable battery 300 to charge for electrical equipment 400.This electrical equipment 400 can be the electronic installation possessing wireless charging function, such as mobile phone, panel computer, e-book etc..
This control module 104 is connected with this charge-discharge modules 102, and controlling module 104 is such as micro-control unit (microcontrolunit, MCU).This wireless transport module 106 is connected with this control module 104, and rechargeable battery 300 can be connected with charge-discharge modules 102.
Incorporated by reference to Fig. 2, in present embodiment, this charge-discharge modules 102 includes single-chip microcomputer 108, snap switch 110, AD conversion unit (ADC) 112 and Tip element 114.Snap switch 110, AD conversion unit 112 and Tip element 114 are all connected with single-chip microcomputer 108.The Enable Pin 116 of single-chip microcomputer 108 is connected with the discharge and recharge enable pin controlling module 104, for receiving the enable signal controlling module.
This snap switch 110 is for detecting whether this electrical equipment 400 accesses this wireless charging system 100 and generate the charge switch signal of correspondence.Snap switch 110 may be provided in charging base (not shown), charging base is used for carrying this electrical equipment 400, when this electrical equipment 400 is stably placed on charging base, charging base make this electrical equipment 400 can closing spring switch 110, electrical equipment 400 is charged triggering wireless charging system 100.Rechargeable battery 300 may be provided in charging base.
Such as, charging base has physical interface 118, and physical interface 118 can help electrical equipment 400 to be positioned on charging base.Snap switch 110 is such as positioned at physical interface 118.In the stable situation of use environment of wireless charging system 100, when electrical equipment 400 is placed on physical interface 118, it is possible to snap switch 110 is closed triggers wireless charging system 100 electrical equipment 400 is charged.
When electrical equipment 400 put into charging base closing spring switch 110 time, snap switch 110 generates the first charge switch signal, and this first charge switch signal shows that this electrical equipment 400 accesses this wireless charging system 100.
Single-chip microcomputer 108 is used for judging whether this first charge switch signal is stable within the setting time period, and if so, this single-chip microcomputer 108 generates and represents that this wireless transport module 106 exports the electric energy the first charging control signal to this electrical equipment 400.This control module 104 controls this wireless transport module 106 according to this first charging control signal and exports electric energy to this electrical equipment 400.The electric energy of output may be from rechargeable battery 300.Now, control module 104 and the enable signal of electric discharge according to the first charging control signal, can be sent by discharge and recharge enable pin to single-chip microcomputer 108.Single-chip microcomputer 108 according to this electric discharge enable signal by the electric energy of rechargeable battery 300 by wireless transport module 106 to external transmission.
Such as, set the time period as 3 seconds, when electrical equipment 400 put into base closing spring switch 110 time, by AD conversion unit 112, single-chip microcomputer 108 judges that the level signal of snap switch 110 is uprised by low, now, if it is always stable at high level to continue to detect this level signal by AD conversion unit 112 in single-chip microcomputer 108 later 3 seconds, then single-chip microcomputer 108 judges that electrical equipment 400 has been successfully accessed wireless charging system 100, can be charged, and generate the first charging control signal.Control module 104 controls the emitter of the wireless transport module 106 as transmission ends according to the first charging control signal and starts simultaneously at work with receiving chip, the alternating current of certain frequency outside width in the form of an electromagnetic wave is penetrated by the radio transmitter of emitter, pass through electromagnetic induction, electrical equipment 400 as receiving terminal can produce certain electric current, thus energy (electric energy) is transferred to receiving terminal from transmission ends.Battery in electrical equipment 400 is charged after the electric current received is processed by electrical equipment 400.Wireless charging system 100 exports electric energy, is in opening.
If single-chip microcomputer 108 judges that this first charge switch signal is unstable within the setting time period, this single-chip microcomputer 108 generates and represents the 3rd charging control signal keeping this wireless transport module 106 stopping output electric energy to the state of this electrical equipment 400, this control module 104 controls, according to the 3rd charging control signal, the state that this wireless transport module 106 keeps stopping output electric energy to this electrical equipment 400, that is, level signal within this setting time period by high step-down (or changing repeatedly within the setting time), electrical equipment 400 not yet stably accesses wireless charging system 100, controlling module 104 makes wireless transport module 106 not work, save unnecessary power consumption.Now, control module 104 and the enable signal of charging according to the 3rd charging control signal, can be sent by discharge and recharge enable pin to single-chip microcomputer 108.Rechargeable battery 300 is charged by single-chip microcomputer 108 according to the enable signal of this charging.
Tip element 114 is for pointing out user the charged state of this electrical equipment 400.This single-chip microcomputer 108 points out this user the charged state of this electrical equipment 400 according to this charging control signal for controlling this Tip element 114.In present embodiment, Tip element 114 is buzzer.
In above-mentioned two situation, single-chip microcomputer 108 is according to the first charging control signal, controlling Tip element 114 points out this electrical equipment 400 of user to be successfully accessed wireless charging system 100 state being charged, such as, single-chip microcomputer 108 can control Tip element 114 and sends two sound shorter " beep " sound continuously to point out this electrical equipment 400 of user to be successfully accessed wireless charging system 100 state being charged.
Single-chip microcomputer 108 is according to the 3rd charging control signal, controlling Tip element 114 points out this electrical equipment 400 of user not to be successfully accessed the state that charging system 100 does not also start to charge up, such as, single-chip microcomputer 108 can control Tip element 114 and sends longer " beep " sound to point out this electrical equipment 400 of user not to be successfully accessed the state that charging system 100 does not also start to charge up.Therefore, point out user, user to know whether electrical equipment 400 starts to charge up by Tip element 114, this avoid user and think that electrical equipment 400 occurs in situation about charging but do not charge.Meanwhile, so also it is avoided that the situation of the improper erroneous judgement of wireless charging system 100 occurs, is conducive to user's maintenance to wireless charging system 100.
In charging process, when electrical equipment 400 departs from disconnection snap switch 110 from charging base, snap switch 110 generates the second charge switch signal, and this second charge switch signal shows that this electrical equipment 400 has disconnected and the connection of this wireless charging system 100.
Single-chip microcomputer 108 is used for judging whether this second charge switch signal is stable within the setting time period, and if so, this single-chip microcomputer 108 generates and represents that this wireless transport module 106 stops the second charging control signal exporting electric energy to this electrical equipment 400.This control module 104 controls this wireless transport module 106 according to this second charging control signal and stops output electric energy to this electrical equipment 400.The electric energy of output may be from rechargeable battery 300.Now, control module 104 and the enable signal of charging according to the second charging control signal, can be sent by discharge and recharge enable pin to single-chip microcomputer 108.Rechargeable battery 300 is charged by single-chip microcomputer 108 according to the enable signal of this charging.
Such as, set the time period as 3 seconds, when electrical equipment 400 is removed disconnection snap switch 110 from charging base, by AD conversion unit 112, single-chip microcomputer 108 judges that the level signal of snap switch 110 is by high step-down, now, if it is always stable in low level to continue to detect this level signal by AD conversion unit 112 in single-chip microcomputer 108 later 3 seconds, then single-chip microcomputer 108 judges that electrical equipment 400 successfully disconnects the connection with wireless charging system 100, can stop the work of wireless transport module 106.Control module 104 controls the emitter of the wireless transport module 106 as transmission ends and quits work with receiving chip.Wireless charging system 100 no longer exports electric energy, enters closed mode.
nullIf single-chip microcomputer 108 judges that this second charge switch signal is unstable within the setting time period，This single-chip microcomputer 108 generates and represents that this wireless transport module 106 of maintenance exports the electric energy the 4th charging control signal to the state of this electrical equipment 400，This control module 104 controls, according to the 4th charging control signal, the state that this wireless transport module 106 keeps exporting electric energy to this electrical equipment 400，That is，Level signal is uprised (or changing repeatedly within the setting time) by low within this setting time period，Electrical equipment 400 is likely to temporarily to disconnect after snap switch 110 closing spring switch 110 again because of extraneous vibration facter，Control module 104 and control the state of wireless transport module 106 maintenance output electric energy，Electrical equipment 400 can continue charging after vibration facter eliminates，Decrease the intervention of user，Thus the hommization that improve user is experienced.Wireless charging system 100 is still in opening.
In above-mentioned two situation, single-chip microcomputer 108 is according to the second charging control signal, controlling Tip element 114 points out user power utilization equipment 400 to disconnect the state connecting and not being charged with wireless charging system 100, such as, single-chip microcomputer 108 can control Tip element 114 and sends longer " beep " sound to point out user power utilization equipment 400 to disconnect and the connecting and the state that is not charged of wireless charging system 100.
Single-chip microcomputer 108 is according to the 4th charging control signal, controlling Tip element 114 points out user power utilization equipment 400 to keep the state of charging, such as, single-chip microcomputer 108 can control Tip element 114 send continuously three sound shorter " beep " sound to point out user power utilization equipment 400 keep charging state.Therefore, point out user, user to know whether electrical equipment 400 stops charging by Tip element 114, this avoid user and think that electrical equipment occurs in situation about charging but do not charge.Meanwhile, so also it is avoided that the situation of the improper erroneous judgement of wireless charging system 100 occurs, is conducive to user's maintenance to wireless charging system 100.
It is appreciated that, in other embodiments, single-chip microcomputer 108 is according to the 4th charging control signal, also can control Tip element 114 and not point out user, namely when electrical equipment 400 in the charge state, disconnecting snap switch 110 closing spring switch 110 in the electrical equipment 400 setting time period endogenous cause of ill vibration facter and produce, wireless charging system 100 also can not send prompting.
Additionally, when wireless charging system 100 is not charged for electrical equipment 400, as this wireless transport module 106 is in the electric energy stopping output rechargeable battery to the state of this electrical equipment 400, this rechargeable battery 300 can be charged by this charge-discharge modules 102 according to the enable signal controlling the charging that module 104 sends.The electric energy that rechargeable battery 300 is charged may be from the equipment that wireless charging system 100 is applied, for instance, when wireless charging system 100 is applied on automobile, the electric energy that rechargeable battery 300 is charged may be from the electromotor of automobile.When rechargeable battery 300 does not charge for electrical equipment 400, and the electromotor of automobile is in opening, it is that rechargeable battery 300 is charged that charge-discharge modules 102 may utilize the electric energy of electromotor, prepares for rechargeable battery 300 electric discharge next time (charging for electrical equipment 400).
Further, in order to detect the duty of rechargeable battery 300, this charge-discharge modules 102 also includes temperature detecting unit 120 and voltage detection unit 122, temperature detecting unit 120 and voltage detection unit 122 and is all connected with single-chip microcomputer 108.
This temperature detecting unit 120 is for detecting the temperature of this rechargeable battery 300, this voltage detection unit 122 is for detecting charging current and the discharge current of this rechargeable battery 300, this charge-discharge modules 102 is used for stopping the charge or discharge of this rechargeable battery 300 according to this temperature, this charging current or this discharge current, or keeps the state of the charge or discharge of this rechargeable battery 300.
Specifically, when this rechargeable battery 300 is in discharge condition (for the state that electrical equipment 400 is charged), temperature detecting unit 120 detects the discharge temp of this rechargeable battery 300, voltage detection unit 122 detects the discharge current of this rechargeable battery 300, single-chip microcomputer 108 be used for judging this discharge temp whether more than discharge temp threshold values and this discharge current whether more than discharge current threshold values.If this discharge temp more than this discharge temp threshold values or this discharge current more than this discharge current threshold values, this single-chip microcomputer 108 generates and stops discharge signal, and this control module 104 controls this single-chip microcomputer 108 according to this stopping discharge signal and stops the electric discharge of this rechargeable battery 300.
When this rechargeable battery 300 is in charged state, temperature detecting unit 120 detects the charging temperature of this rechargeable battery 300, voltage detection unit 122 detects the charging current of this rechargeable battery 300, single-chip microcomputer 108 be used for judging this charging temperature whether more than charging temperature threshold values and this charging current whether more than charging current threshold values.If this charging temperature is more than this charging temperature threshold values or this charging current more than this charging current threshold values, single-chip microcomputer 108 generates and stops charging signals, and this control module 104 stops the charging of rechargeable battery 300 according to this stopping charging signals control single chip computer 108.
When the discharge temp of battery less than discharge temp threshold values and discharge current less than discharge current threshold values, single-chip microcomputer 108 generates the maintenance discharge signal keeping rechargeable battery 300 discharge condition, controls module 104 and keeps the discharge condition of rechargeable battery 300 according to this maintenance discharge signal control single chip computer 108.
When the charging temperature of battery less than charging temperature threshold values and charging current less than charging current threshold values, single-chip microcomputer 108 generates the maintenance charging signals keeping rechargeable battery 300 charged state, controls module 104 and keeps the charged state of rechargeable battery 300 according to this maintenance charging signals control single chip computer 108.
This wireless charging system 100 also includes power management module (PMIC) 124, for instance power management module 124 comprises multiple synchronous buck type DC/DC transducer, multiple low voltage differences (LDO) manostat, and has dynamically control and ranking function.Support that multiple manostat is a kind of highly configurable power supply sequencing ability, dynamic voltage regulation output voltage control, a push-button interface controller and the manostat control realized by I2C interface, and there is substantial amounts of state function of reporting and an interrupt output.General purpose I 2C serial port is used for controlling manostat enable, output-voltage levels, dynamic voltage regulation, operator scheme and state report.The sorting operation that manostat starts can by being connected to enable pin or completed by I2C port by manostat output by desired order.System electrification, power-off and reset function are controlled by a push-button interface, pin input or I2C interface.Therefore, power management module 124 can help wireless charging system 100 effectively to manage power supply, facilitates user to safeguard.
In sum, in above-mentioned wireless charging system 100, whether the charge switch signal generated by snap switch 110 is stablized decides whether change charged state.Therefore, when user takes electrical equipment 400 away, above-mentioned wireless charging system 100 can be automatically stopped output electric energy, it is to avoid waste.When this wireless charging system 100 is applied on automobile, vibration facter may result in electrical equipment 400 and can disconnect with wireless charging system 100 momently, above-mentioned wireless charging system 100, judged and shockproof related method thereof by snap switch 110, decrease the system 100 improper discharge and recharge action to rechargeable battery 300.Meanwhile, stop charging and starting to charge up to electrical equipment 400 being provided with effect prompt tone, it is to avoid improper erroneous judgement occurs in wireless charging system 100.
Please join Fig. 3, the wireless charging method of better embodiment of the present invention, comprise the following steps:
S11: snap switch 110 generates charge switch signal；
S12: charge-discharge modules 102 judges whether this charge switch signal is stable within the setting time period, if entering step S13, if it is not, enter step S14 if not；
S13: this charge-discharge modules 102 generates charging control signal, controls module 104 and exports electric energy according to this charging control signal control wireless transport module 106, or control this wireless transport module 106 stopping output electric energy；
S14: this charge-discharge modules 102 generates this charging control signal, this control module 104 keeps this wireless transport module 106 to stop the state of output electric energy according to this charging control signal, or keeps this wireless transport module 106 to export the state of electric energy.
It is appreciated that above-mentioned wireless charging method can be realized by above-mentioned wireless charging system 100.
In above-mentioned wireless charging method, whether the charge switch signal generated by snap switch 110 is stablized decides whether change charged state.Therefore, when user takes electrical equipment 400 away, above-mentioned wireless charging method can be automatically stopped output electric energy, it is to avoid waste.Meanwhile, by judging that whether stable charge switch signal setting in the time period, namely carries out shockproof delay disposal, it is possible to be prevented effectively from and improper fill Electrical discontinuity.
In one embodiment, in step s 13, this control module 104 controls this wireless transport module 106 according to this charging control signal and exports the electric energy of rechargeable battery 300, or control the electric energy of this wireless transport module 106 stopping this rechargeable battery 300 of output, and in step S14, this control module 104 controls, according to this charging control signal, the state that this wireless transport module 106 keeps stopping exporting this chargeable electric energy of electric 300, or keeps this wireless transport module 106 to export the state of electric energy of this rechargeable battery 300.
nullIn one embodiment，Specifically，In step s 12，Single-chip microcomputer 108 is used for judging whether this charge switch signal is stable within this setting time period，In step s 13，This single-chip microcomputer 108 generates the first charging control signal representing that this wireless transport module 106 exports electric energy，Or generate the second charging control signal representing that this wireless transport module 106 stops output electric energy，This control module 104 controls wireless transport module 106 according to this first charging control signal and exports electric energy，And control this wireless transport module 106 stopping output electric energy according to this second charging module，In step S14，This single-chip microcomputer 108 generates and represents the 3rd charging control signal keeping this wireless transport module 106 to stop exporting the state of electric energy，Or generate the 4th charging control signal of the state representing that this wireless transport module 106 of maintenance exports electric energy，This control module 104 controls wireless transport module 106 according to the 3rd charging control signal and keeps stopping the state of output electric energy，And the state of this wireless transport module 106 maintenance output electric energy is controlled according to the 4th charging module.The electric energy of output may be from rechargeable battery 300.
In one embodiment, step S13 or step S14 also includes: when this rechargeable battery 300 is in discharge condition, temperature detecting unit 120 detects the discharge temp of this rechargeable battery 300, voltage detection unit 122 detects the discharge current of this rechargeable battery 300, this charge-discharge modules 102 be used for judging this discharge temp whether more than discharge temp threshold values and this discharge current whether more than discharge current threshold values, if this discharge temp more than this discharge temp threshold values or this discharge current more than this discharge current threshold values, this charge-discharge modules 102 generates and stops discharge signal, this control module 104 controls this charge-discharge modules 102 according to this stopping discharge signal and stops the electric discharge of this rechargeable battery 300.
In one embodiment, step S13 or step S14 also includes: when this rechargeable battery 300 place's charged state, this temperature detecting unit 120 detects the charging temperature of this rechargeable battery 300, this voltage detection unit 122 detects the charging current of this rechargeable battery 300, this charge-discharge modules 102 be used for judging this charging temperature whether more than charging temperature threshold values and this charging current whether more than charging current threshold values, if this charging temperature more than this charging temperature threshold values or this charging current more than this charging current threshold values, this charge-discharge modules 102 generates and stops charging signals, this control module 104 controls this charge-discharge modules 102 according to this stopping charging signals and stops the charging of this rechargeable battery.
Therefore, this wireless charging method, by detecting the duty of rechargeable battery 300, when abnormal conditions occur, can stop the discharge and recharge of rechargeable battery 300, protect other module and the element of rechargeable battery 300 and wireless charging system 100.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with described embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principles of the invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a wireless charging system, it is characterised in that include charge-discharge modules, control module and wireless transport module；
This charge-discharge modules is connected with this control module, and this wireless transport module is connected with this control module；
This charge-discharge modules includes snap switch, and whether this snap switch accesses this wireless charging system for detection equipment and generate the charge switch signal of correspondence；
This wireless transport module is for wirelessly exporting electric energy to this electrical equipment；
This charge-discharge modules is for judging whether this charge switch signal stablizes and generate the charging control signal of correspondence within the setting time period；
This control module controls this wireless transport module output electric energy to this electrical equipment according to this charging control signal, or control this wireless transport module and stop output electric energy to this electrical equipment, or control the state that this wireless transport module keeps stopping output electric energy to this electrical equipment, or control the state that this wireless transport module keeps exporting electric energy to this electrical equipment.
2. wireless charging system as claimed in claim 1, it is characterized in that, this control module controls the electric energy of this wireless transport module output rechargeable battery to this electrical equipment according to this charging control signal, or controls the electric energy state to this electrical equipment of this wireless transport module maintenance this rechargeable battery of output.
3. wireless charging system as claimed in claim 1, it is characterized in that, this charge-discharge modules includes the single-chip microcomputer being connected with this snap switch, this single-chip microcomputer is used for judging whether this charge switch signal is stable within this setting time period, if, this single-chip microcomputer generates the first charging control signal representing this wireless transport module output electric energy to this electrical equipment, or generate the second charging control signal representing this wireless transport module stopping output electric energy to this electrical equipment, if not, this single-chip microcomputer generates and represents the 3rd charging control signal keeping this wireless transport module stopping output electric energy to the state of this electrical equipment, or generate the 4th charging control signal representing maintenance this wireless transport module output electric energy to the state of this electrical equipment.
4. wireless charging system as claimed in claim 1, it is characterized in that, this charge-discharge modules also includes the Tip element being connected with this single-chip microcomputer, this Tip element is for pointing out the charged state of this electrical equipment of user, and this single-chip microcomputer points out the charged state of this this electrical equipment of user according to this charging control signal for controlling this Tip element.
5. wireless charging system as claimed in claim 2, it is characterised in that this charge-discharge modules also includes temperature detecting unit and voltage detection unit；
This temperature detecting unit is for detecting the temperature of this rechargeable battery, and this voltage detection unit is for detecting charging current and the discharge current of this rechargeable battery；
This charge-discharge modules is used for generating the stop signal of the charge or discharge stopping this rechargeable battery according to this temperature, this charging current or this discharge current, or keep the maintenance signal of the state of the charge or discharge of this rechargeable battery, this control module stops charging or the charging of this rechargeable battery according to this stop signal for controlling this charge-discharge modules, and according to this maintenance signal, keep electric discharge or the charged state of this rechargeable battery for controlling this charge-discharge modules.
6. wireless charging system as claimed in claim 2, it is characterised in that if this wireless transport module is in the electric energy stopping this rechargeable battery of output to the state of this electrical equipment, this charge-discharge modules is for being charged this rechargeable battery.
7. a wireless charging method, it is characterised in that comprise the following steps:
S11: snap switch generates charge switch signal；
S12: charge-discharge modules judges whether this charge switch signal is stable within the setting time period, if entering step S13, if it is not, enter step S14 if not；
S13: this charge-discharge modules generates charging control signal, controls module and controls wireless transport module output electric energy according to this charging control signal, or control this wireless transport module stopping output electric energy；
S14: this charge-discharge modules generates this charging control signal, this control module controls this wireless transport module according to this charging control signal and keeps stopping the state of output electric energy, or controls the state of this wireless transport module maintenance output electric energy.
8. wireless charging method as claimed in claim 7, it is characterized in that, in step s 13, this control module controls the electric energy of this wireless transport module output rechargeable battery according to this charging control signal, or controls the electric energy of this wireless transport module stopping this rechargeable battery of output；And
In step S14, this control module controls, according to this charging control signal, the state that this wireless transport module keeps stopping exporting the electric energy of this chargeable electricity, or controls the state that this wireless transport module keeps the electric energy of this rechargeable battery of output.
9. wireless charging method as claimed in claim 7, it is characterised in that this charge-discharge modules includes the single-chip microcomputer being connected with this snap switch, in step s 12, this single-chip microcomputer is used for judging whether this charge switch signal is stable within this setting time period,
In step s 13, this single-chip microcomputer generates the first charging control signal representing this wireless transport module output electric energy, or generate the second charging control signal representing that this wireless transport module stops output electric energy, this control module controls this wireless transport module output electric energy according to this first charging control signal, and control this wireless transport module stopping output electric energy according to this second charging module
In step S14, this single-chip microcomputer generates and represents the 3rd charging control signal keeping this wireless transport module to stop exporting the state of electric energy, or generate the 4th charging control signal representing the state keeping this wireless transport module output electric energy, this control module controls wireless transport module according to the 3rd charging control signal and keeps stopping the state of output electric energy, and controls the state of this wireless transport module maintenance output electric energy according to the 4th charging module.
10. wireless charging method as claimed in claim 8, it is characterised in that step S13 or step S14 also includes:
When this rechargeable battery is in discharge condition, temperature detecting unit detects the discharge temp of this rechargeable battery, voltage detection unit detects the discharge current of this rechargeable battery, this charge-discharge modules be used for judging this discharge temp whether more than discharge temp threshold values and this discharge current whether more than discharge current threshold values, if this discharge temp more than this discharge temp threshold values or this discharge current more than this discharge current threshold values, this charge-discharge modules generates and stops discharge signal, this control module controls this charge-discharge modules according to this stopping discharge signal and stops the electric discharge of this rechargeable battery；
And when this rechargeable battery place charged state, this temperature detecting unit detects the charging temperature of this rechargeable battery, this voltage detection unit detects the charging current of this rechargeable battery, this charge-discharge modules be used for judging this charging temperature whether more than charging temperature threshold values and this charging current whether more than charging current threshold values, if this charging temperature more than this charging temperature threshold values or this charging current more than this charging current threshold values, this charge-discharge modules generates and stops charging signals, this control module controls this charge-discharge modules according to this stopping charging signals and stops the charging of this rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817164.3A CN105790335A (en) | 2014-12-24 | 2014-12-24 | Wireless charging system and wireless charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817164.3A CN105790335A (en) | 2014-12-24 | 2014-12-24 | Wireless charging system and wireless charging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105790335A true CN105790335A (en) | 2016-07-20 |
Family
ID=56378430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817164.3A Pending CN105790335A (en) | 2014-12-24 | 2014-12-24 | Wireless charging system and wireless charging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189195A (en) * | 2018-10-26 | 2019-01-11 | 深圳市宇通联发科技有限公司 | A kind of intelligence system frequently powers off boot-strap circuit optimization device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202368A (en) * | 2001-02-14 | 2008-06-18 | 索尼公司 | Charging/discharging apparatus and method for supplying power to the same |
| WO2009040807A2 (en) * | 2007-09-25 | 2009-04-02 | Powermat Ltd. | Inductive power transmission platform |
| CN202888926U (en) * | 2012-10-26 | 2013-04-17 | 深圳市东诚信电子科技有限公司 | Alternating-current and direct-current dual-purpose power supply circuit |
-
2014
- 2014-12-24 CN CN201410817164.3A patent/CN105790335A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202368A (en) * | 2001-02-14 | 2008-06-18 | 索尼公司 | Charging/discharging apparatus and method for supplying power to the same |
| WO2009040807A2 (en) * | 2007-09-25 | 2009-04-02 | Powermat Ltd. | Inductive power transmission platform |
| CN202888926U (en) * | 2012-10-26 | 2013-04-17 | 深圳市东诚信电子科技有限公司 | Alternating-current and direct-current dual-purpose power supply circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109189195A (en) * | 2018-10-26 | 2019-01-11 | 深圳市宇通联发科技有限公司 | A kind of intelligence system frequently powers off boot-strap circuit optimization device |
| CN109189195B (en) * | 2018-10-26 | 2023-10-31 | 深圳市宇通联发科技有限公司 | Frequent outage start-up circuit optimizing device of intelligent system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102647003B (en) | Charging apparatus for secondary cell and secondary battery charging system | |
| CN102640076B (en) | Power converter with reduced power consumption when toggling between sleep and normal modes during device charging | |
| EP2830188B1 (en) | Wireless charger equipped with auxiliary power supply and auxiliary power device | |
| CN103217955B (en) | A kind of system for wireless charging Long-distance Control and long-range control method thereof | |
| CN102340162B (en) | Charging state monitoring device, terminal and method | |
| AU2015249050A1 (en) | Systems And Methods For Battery Management | |
| CN201781310U (en) | Battery charge control circuit | |
| CN105144531A (en) | Power control system, power control device and method for controlling power control system | |
| CN101702530A (en) | Vehicle-mounted charging device for electric vehicles | |
| CN104348215A (en) | Charger, battery module, and systems and methods for identifying and monitoring a battery charger | |
| CN103107584A (en) | Device with wireless mobile charging function and wireless charging method thereof | |
| CN103094962A (en) | Portable power source used for wireless charging and wireless charging system | |
| CN103986211A (en) | A kind of intelligent charging control method | |
| EP3518371B1 (en) | Wireless charging device, system and method on the basis of back cover-type mobile power supply | |
| CN106329689A (en) | Adapter and method of achieving charging thereof | |
| CN105098890A (en) | Charging data line and charger | |
| TW201329682A (en) | Electronic device power supply system and method | |
| CN107134863A (en) | Control device, current-collecting device, electronic equipment and electrical power transmission system | |
| CN102931712A (en) | Wireless charger without standby power consumption | |
| KR101451341B1 (en) | Mobile Phone Battery Charger and Control Method Thereof | |
| CN104917227A (en) | Charge control method, charging equipment and terminal equipment | |
| CN205440014U (en) | Electric automobile and charge-discharge system and charge-discharge interface circuit thereof | |
| CN104167790A (en) | Charger and charging control system and method of mobile terminal | |
| CN108418275A (en) | an energy storage device | |
| WO2017134346A1 (en) | Method for maintaining a battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |
|
| RJ01 | Rejection of invention patent application after publication |