CN202679031U - Mobile wireless charging device - Google Patents
Mobile wireless charging device Download PDFInfo
- Publication number
- CN202679031U CN202679031U CN2012203598155U CN201220359815U CN202679031U CN 202679031 U CN202679031 U CN 202679031U CN 2012203598155 U CN2012203598155 U CN 2012203598155U CN 201220359815 U CN201220359815 U CN 201220359815U CN 202679031 U CN202679031 U CN 202679031U
- Authority
- CN
- China
- Prior art keywords
- wireless charging
- circuit
- mcu
- mobile wireless
- rechargeable battery
- 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.)
- Expired - Fee Related
Links
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000010355 oscillation Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a mobile wireless charging device which is characterized by comprising a mobile power supply module and a wireless charging module, wherein the mobile power supply module comprises an MCU, a rechargeable battery, a charge management circuit and a discharge management circuit, the rechargeable battery supplies power for the MCU through a low-pressure difference linear voltage-stabilizing IC, the charge management circuit is connected with the MCU and is used for charging the rechargeable battery, the discharge management circuit is controlled by the MCU, and is used for transmitting a power supply supplied by the rechargeable battery to a wireless charging emitting module and an external power supply module; and the wireless charge receiving module and the wireless charge emitting module realize energy transmission by using coupling of an emitting coil and a receiving coil, namely, an electromagnetic induction mode. The utility model not only solves the problem of endurance standby, but also is free of limit of a charge line because a wireless charge emitting part accords with the standard of a Qi wireless charge technology of a wireless power consortium, and is good in universality.
Description
Technical field
The utility model relates to mobile wireless charging technique field, particularly a kind of mobile wireless charging device.
Background technology
Along with the variation of electronic digital product, intellectuality, the energy of its battery consumption is also increasing, and internal battery is difficult to realize working long hours, and in order to solve the continuation of the journey problem, portable power source arises at the historic moment.But diversified product interface like this so that the versatility of portable power source have a greatly reduced quality.
Summary of the invention
In view of this, the purpose of this utility model provides a kind of mobile wireless charging device, has not only solved continuation of the journey standby problem, and removes the constraint of charging wire from, and versatility is good.
To achieve these goals, a kind of mobile wireless charging device is characterized in that, comprises portable power source module and wireless charging module;
Described portable power source module comprises:
One MCU;
One rechargeable battery, this rechargeable battery is described MCU power supply through a low pressure difference linearity voltage stabilizing IC;
One charge management circuit, this charge management circuit is connected with described MCU, and is described rechargeable battery charging according to the instruction of MCU; And
One is controlled by the discharging management circuit of described MCU, and the power supply that this discharging management circuit is supplied with described rechargeable battery sends a wireless charging transmitter module to; It is that the mode of electromagnetic induction realizes Energy Transfer that described wireless charging receiver module and described wireless charging transmitter module utilize the coupling of transmitting coil and receiving coil.
In the utility model one embodiment, described power storage module also comprises the LED light circuit, and this LED light circuit is connected with described MCU.
In the utility model one embodiment, described rechargeable battery is provided with protective circuit.
In the utility model one embodiment, described power storage module comprises that also one detects button, and this detects button and is connected with described MCU.
In the utility model one embodiment, described wireless charging transmitter module comprises:
One oscillation drive circuit, the input of described oscillation drive circuit is connected with the output of described discharging management circuit;
One transmitting terminal controller, the current and voltage signals that described input current voltage detecting circuit gathers the oscillation drive circuit output sends to described transmitting terminal controller, controls described oscillation drive circuit for this transmitting terminal controller foundation is provided; And
One induced emission coil, described oscillation drive circuit provides oscillator signal for this induction coil.
In the utility model one embodiment, described wireless charging receiver module comprises:
One induction coil;
One rectification circuit, the output of described induction coil is connected with this rectification circuit;
One voltage regulator circuit, the output of described rectification circuit is connected with this voltage regulator circuit; And
One receiving terminal controller, this receiving terminal controller is connected with voltage regulator circuit with described rectification circuit.
In the utility model one embodiment, described charge management circuit is connected with one first charging inlet circuit.
In the utility model one embodiment, described wireless charging transmitter module is connected with one second charging inlet circuit.
In the utility model one embodiment, described power storage module is arranged in the mounting box, and all sides of this mounting box offer to install the installing hole of described charging inlet.
In the utility model one embodiment, described wireless charging receiver module is arranged on the lining seat that cross section is b shape.
The utility model cooperates the wireless charging receiving circuit by the wireless charging radiating circuit, has realized wireless charging solving the problem of continuation of the journey standby, the real wireless charging of accomplishing, and circuit structure is simple, and interface generality is good, has preferably practical value.
Description of drawings
Fig. 1 is the utility model one embodiment schematic block circuit diagram.
Fig. 2 is another embodiment schematic block circuit diagram of the utility model.
Fig. 3 is wireless charging transmitter module among the utility model embodiment and the circuit theory schematic diagram of wireless charging receiver module.
Fig. 4 is the structural representation of the utility model embodiment mounting box.
Fig. 5 is that the utility model embodiment serves as a contrast the holder structure schematic diagram.
Fig. 6 is the use view after the utility model arranges shell mechanism.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in Figure 1, present embodiment provides a kind of mobile wireless charging device, it is characterized in that, comprises portable power source module a and wireless charging module; Described portable power source module comprises: a MCU; One rechargeable battery, this rechargeable battery is described MCU power supply through a low pressure difference linearity voltage stabilizing IC; In the present embodiment, this rechargeable battery can be a chargeable poly-lithium battery; One charge management circuit, this charge management circuit is connected with described MCU, and is described rechargeable battery charging according to the instruction of MCU; And a discharging management circuit that is controlled by described MCU, the power supply that this discharging management circuit is supplied with described rechargeable battery sends a wireless charging transmitter module and externally fed equipment to; It is that the mode of electromagnetic induction realizes Energy Transfer that described wireless charging receiver module and described wireless charging transmitter module utilize the coupling of transmitting coil and receiving coil.
Being noted that the utility model according to the selection of device, can be a kind of mobile wireless charging device that meets the Qi wireless charging technical standard of wireless charging alliance (WPC, Wireless Power Consortium); Please refer to Fig. 2, among the figure, portable power source module described in the utility model also comprises the LED light circuit, and this LED light circuit is connected with described MCU.Described chargeable poly-lithium battery is provided with protective circuit.Described portable power source module comprises that also one detects button, and this detects button and is connected with described MCU.
Please refer to Fig. 3, among the figure, described wireless charging transmitter module 1 comprises: an oscillation drive circuit, and the input of described oscillation drive circuit is connected with the output of described discharging management circuit; One input current voltage detecting circuit; One transmitting terminal controller, the current and voltage signals that described input current voltage detecting circuit gathers the oscillation drive circuit output sends to described transmitting terminal controller, controls described oscillation drive circuit for this transmitting terminal controller foundation is provided; And an induced emission coil, described oscillation drive circuit is used for driving this induction coil.Described wireless charging receiver module 2 comprises: an induction receiving coil; One rectification circuit, the output of described induction coil is connected with this rectification circuit; One voltage regulator circuit, the output of described rectification circuit is connected with this voltage regulator circuit; And a receiving terminal controller, this receiving terminal controller is connected with voltage regulator circuit with described rectification circuit.Here be noted that a described rectification circuit, voltage regulator circuit and receiving terminal controller can be with the replacements of BQ51013A chip, to save the volume of circuit.
In order to allow those skilled in the art better understand the utility model, the below carries out simple declaration to each module of equipment.
Charge management circuit: lithium battery (the described rechargeable battery of present embodiment is poly-lithium battery) is charged charging voltage: 4.2V, electric current 1A.This charge management circuit adopts the TP4056 chip design, and this TP4056 is that the single-unit lithium ion battery adopts the linear charger of constant current/constant voltage.When being down to set point 1/10 after charging current is reaching final float charge voltage, TP4056 is with the automatic stop charging cycle.When input voltage (AC adapter or USB power supply) was taken away, TP4056 entered a low current condition automatically, and battery leakage current is down to below the 2uA.TP4056 also can place shutdown mode when power supply is arranged, with and supply current is down to 55uA.Other characteristics of TP4056 comprise battery temperature detection, undervoltage lockout, automatically recharge and LED status pin that two are used to indicate charging, finish.
Discharging management circuit: export to the wireless charging radiating circuit power supply of rear class, output voltage: 5V, maximum output current: 2A.In the present embodiment, this discharging management circuit adopts MEM2306SG and ME2109 chip design, this MEM2306SG is the two N channel enhancement power field effect pipes (MOSFET) of common drain, adopts the DMOS trench technology of high cell density, and this highdensity technology is specially adapted to reduce conducting resistance.This ME2109 is a kind of by reference voltage source, oscillating circuit, error amplifier, phase compensating circuit, CMOS that PWM/PFM control switching circuit etc. the consists of DC/DC controller that boosts.
Battery protecting circuit: the protection battery prevented from putting, overcurrent, short circuit.It adopts DW01+ and HS8205S design, and this DW01+ is a lithium battery protection circuit, for avoid lithium battery because of overcharge, overdischarge, electric current are excessive causes that shorter battery life or battery are damaged to be designed.It has voltage detecting and the time delay circuit of pinpoint accuracy.Protection MOS in HS8205S single-lithium-battery pond cooperates DW01 to finish the li-ion cell protection function.
MCU control circuit: monitor whole charge and discharge process, guarantee that system normally moves.This MCU adopts the HT46R064 chip, this chip is for closing safe 8 the OTP single-chip microcomputers of AD type that strengthen, use quite extensive, act on low-power consumption that the HOLTEK single-chip microcomputer has, IO flexibly, optional, the dormancy of timer function, type of oscillation and wake up, the abundant function choosing-item such as house dog and low-voltage reset.
Wireless charging radiating circuit: utilize the mode of electromagnetic induction to carry out the energy transmission, this wireless charging radiating circuit adopts the BQ500211 design, this BQ500211 is the bqTESLA radio source transmitter integrated circuit of new generation (IC) that TIX (TI) releases, this bq500211 is integrated transmitter and supporting assembly on single-chip, and comparing with existing solution can be with sharp the falling more than 50% of transmitter bill of materials cost.This high intelligence small IC is integrated in the required function of safe and efficient control radio source transmission in the contactless charging base station.This transmitter adopts the induction power supply transmission technology that meets radio source alliance (WPC) standard, can be smart phone, portable game machine, Digital Video and bluetooth low energy consumption system, and medical treatment and industrial equipment etc. meet the powering portable devices of Qi standard, the mode of whole process by electromagnetic induction with electric energy from one coil-induced to the another one coil, thereby realize the function of wireless charging.
Wireless charging receiver module: for portable power source provides wireless charging function.This wireless charging receiver module adopts the BQ51013A design, this BQ51013A is a senior receiver IC of integrated-type that is applicable to the transmission of portable use radio source, this device not only provides AC/DC power supply conversion, simultaneously the integrated required digital control function of Qi v1.0 communication protocol standard that meets also.Bq51013A combines with the bq500211 transmitter controller, can be the radio source solution and realizes complete non-contact electric power transmission system.By using near field induction electric energy transmission, the receiver coil that is embedded in the portable device can be accepted the electric energy that transmitter coils is sent by the inductor that intercouples.After this through over commutation and adjusting, can be used as the power supply of system closing electronic product (down-system electronics) from the AC signal of receiver coil.Global feedback is set up by the mechanism that is only second to transmitter, to modulate the stabilized power supply transmission course by backscattering.By setting up this feedback with support up to the Qi v1.0 communication protocol that 5 W use.This device is an integrated Low ESR Complete Synchronization rectifier, low dropout voltage regulator, digital control and precise voltage and current loop.Whole power stage (rectifier and LDO) all adopts low resistance NMOS FET technology to dissipate to guarantee high efficiency and low-power.
It is worth mentioning that, please refer to Fig. 4, among Fig. 4, described portable power source module is arranged in the mounting box 6, and all sides of this mounting box offer to install the installing hole 5 of charging inlet.This charging inlet is connected with described charge management circuit, and is better, and in the present embodiment, described wireless charging transmitter module also is connected with one second charging inlet circuit.
Please refer to Fig. 5, among Fig. 5, described wireless charging receiver module is arranged on the lining seat 3 that cross section is b shape.Please refer to Fig. 6, a mobile phone 4 is inserted in the interface 7 on this lining seat, and should serve as a contrast and be placed on the described mounting box, can realize the energy transmission by electromagnetic induction.
Be noted that the utility model passes through an adapter, both can charge to rechargeable battery that as portable power source, this adapter also can directly provide working power for the wireless charging radiating circuit.In addition, this utility model mobile wireless charger not only can utilize wireline interface to power to external equipment, also can have the equipment wireless that meets the Qi standard of wireless receiving function to charge to external belt by wireless mode, has good versatility and convenience.
The above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. a mobile wireless charging device is characterized in that, comprises portable power source module and wireless charging module;
Described portable power source module comprises:
One MCU;
One rechargeable battery, this rechargeable battery is described MCU power supply through a low pressure difference linearity voltage stabilizing IC;
One charge management circuit, this charge management circuit is connected with described MCU, and is described rechargeable battery charging according to the instruction of MCU; And
One is controlled by the discharging management circuit of described MCU, and the power supply that this discharging management circuit is supplied with described rechargeable battery sends a wireless charging transmitter module to; It is that the mode of electromagnetic induction realizes Energy Transfer that described wireless charging receiver module and described wireless charging transmitter module utilize the coupling of transmitting coil and receiving coil.
2. mobile wireless charging device according to claim 1, it is characterized in that: described portable power source module also comprises LED light, this LED light is connected with described MCU.
3. mobile wireless charging device according to claim 1, it is characterized in that: described rechargeable battery is provided with protective circuit.
4. mobile wireless charging device according to claim 1 is characterized in that: described portable power source module comprises that also one detects button, and this detects button and is connected with described MCU.
5. mobile wireless charging device according to claim 1 is characterized in that, described wireless charging transmitter module comprises:
One oscillation drive circuit, the input of described oscillation drive circuit is connected with the output of described discharging management circuit;
One input current voltage detecting circuit;
One transmitting terminal controller, the current and voltage signals that described input current voltage detecting circuit gathers the oscillation drive circuit output sends to described transmitting terminal controller, controls described oscillation drive circuit for this transmitting terminal controller foundation is provided; And
One induced emission coil, described oscillation drive circuit provides oscillator signal for this induction coil.
6. mobile wireless charging device according to claim 1 is characterized in that, described wireless charging receiver module comprises:
One induction receiving coil;
One rectification circuit, the output of described induction coil is connected with this rectification circuit;
One voltage regulator circuit, the output of described rectification circuit is connected with this voltage regulator circuit; And
One receiving terminal controller, this receiving terminal controller is connected with voltage regulator circuit with described rectification circuit.
7. mobile wireless charging device according to claim 1, it is characterized in that: described charge management circuit is connected with one first charging inlet circuit.
8. mobile wireless charging device according to claim 1, it is characterized in that: described wireless charging transmitter module is connected with one second charging inlet circuit.
9. according to claim 7 or 8 described mobile wireless charging devices, it is characterized in that: described portable power source module is arranged in the mounting box, and all sides of this mounting box offer to install the installing hole of described charging inlet.
10. mobile wireless charging device according to claim 1, it is characterized in that: described wireless charging receiver module is arranged on the lining seat that cross section is b shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203598155U CN202679031U (en) | 2012-07-24 | 2012-07-24 | Mobile wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203598155U CN202679031U (en) | 2012-07-24 | 2012-07-24 | Mobile wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679031U true CN202679031U (en) | 2013-01-16 |
Family
ID=47499906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203598155U Expired - Fee Related CN202679031U (en) | 2012-07-24 | 2012-07-24 | Mobile wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679031U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107584A (en) * | 2013-02-01 | 2013-05-15 | 深圳市京泉华科技股份有限公司 | Device with wireless mobile charging function and wireless charging method thereof |
| CN103151812A (en) * | 2013-01-29 | 2013-06-12 | 深圳市中远航科技有限公司 | Wireless charging mobile power supply |
| CN103610519A (en) * | 2013-12-09 | 2014-03-05 | 南方医科大学 | Artificial cochlea based on wireless transcutaneous energy transmission |
| CN104065385A (en) * | 2013-03-20 | 2014-09-24 | 凌通科技股份有限公司 | Signal decoding circuit applied to wireless charging or radio frequency identification system |
| CN104065145A (en) * | 2013-03-20 | 2014-09-24 | 深圳富泰宏精密工业有限公司 | Wireless charging device and charging method thereof |
| CN104079032A (en) * | 2014-07-02 | 2014-10-01 | 电子科技大学 | Wireless charging system for mobile phone |
| CN104909064A (en) * | 2015-04-30 | 2015-09-16 | 努比亚技术有限公司 | Mobile terminal packaging box |
| CN105811511A (en) * | 2016-04-28 | 2016-07-27 | 天津市中环通讯技术有限公司 | Wireless mobile power pack circuit and charging method |
| CN108183559A (en) * | 2018-01-12 | 2018-06-19 | 广东希荻微电子有限公司 | The single-chip method of work that wireless charging receiving terminal directly charges the battery |
| CN109617163A (en) * | 2018-12-20 | 2019-04-12 | 深圳市维力谷无线技术股份有限公司 | A kind of wireless charging device and method based on infrared detection |
| CN109962517A (en) * | 2019-05-05 | 2019-07-02 | 深圳市劲力思特科技有限公司 | One kind is portable to fling battery |
| CN112271823A (en) * | 2019-12-30 | 2021-01-26 | 周德林 | Wireless power supply device that charges of printer head |
-
2012
- 2012-07-24 CN CN2012203598155U patent/CN202679031U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151812A (en) * | 2013-01-29 | 2013-06-12 | 深圳市中远航科技有限公司 | Wireless charging mobile power supply |
| CN103107584A (en) * | 2013-02-01 | 2013-05-15 | 深圳市京泉华科技股份有限公司 | Device with wireless mobile charging function and wireless charging method thereof |
| CN104065145B (en) * | 2013-03-20 | 2018-06-19 | 深圳富泰宏精密工业有限公司 | Wireless charging device and its charging method |
| CN104065385B (en) * | 2013-03-20 | 2017-11-17 | 凌通科技股份有限公司 | Applied to wireless charging or the signal decoding circuit of radio-frequency recognition system |
| CN104065145A (en) * | 2013-03-20 | 2014-09-24 | 深圳富泰宏精密工业有限公司 | Wireless charging device and charging method thereof |
| CN104065385A (en) * | 2013-03-20 | 2014-09-24 | 凌通科技股份有限公司 | Signal decoding circuit applied to wireless charging or radio frequency identification system |
| CN103610519A (en) * | 2013-12-09 | 2014-03-05 | 南方医科大学 | Artificial cochlea based on wireless transcutaneous energy transmission |
| CN103610519B (en) * | 2013-12-09 | 2016-01-27 | 南方医科大学 | A kind of artificial cochlea of transmitting based on wireless transdermal power |
| CN104079032A (en) * | 2014-07-02 | 2014-10-01 | 电子科技大学 | Wireless charging system for mobile phone |
| CN104909064A (en) * | 2015-04-30 | 2015-09-16 | 努比亚技术有限公司 | Mobile terminal packaging box |
| CN104909064B (en) * | 2015-04-30 | 2017-12-05 | 努比亚技术有限公司 | A kind of mobile terminal packing box |
| CN105811511A (en) * | 2016-04-28 | 2016-07-27 | 天津市中环通讯技术有限公司 | Wireless mobile power pack circuit and charging method |
| CN105811511B (en) * | 2016-04-28 | 2018-09-11 | 天津市中环通讯技术有限公司 | A kind of mobile wireless charger baby circuit and charging method |
| CN108183559A (en) * | 2018-01-12 | 2018-06-19 | 广东希荻微电子有限公司 | The single-chip method of work that wireless charging receiving terminal directly charges the battery |
| CN109617163A (en) * | 2018-12-20 | 2019-04-12 | 深圳市维力谷无线技术股份有限公司 | A kind of wireless charging device and method based on infrared detection |
| CN109617163B (en) * | 2018-12-20 | 2024-03-26 | 深圳市维力谷无线技术股份有限公司 | Wireless charging device and method based on infrared detection |
| CN109962517A (en) * | 2019-05-05 | 2019-07-02 | 深圳市劲力思特科技有限公司 | One kind is portable to fling battery |
| CN112271823A (en) * | 2019-12-30 | 2021-01-26 | 周德林 | Wireless power supply device that charges of printer head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202679031U (en) | Mobile wireless charging device | |
| CN203119515U (en) | Portable wireless charger | |
| CN102640076B (en) | Power converter with reduced power consumption when toggling between sleep and normal modes during device charging | |
| US8102147B2 (en) | Wireless multi-charger system and controlling method thereof | |
| US8810072B2 (en) | High-power induction-type power supply system and its data transmission method | |
| US7017055B1 (en) | Hub that can supply power actively | |
| CN204597567U (en) | A kind of multifunction wireless charging device | |
| US20090058370A1 (en) | Battery pack and charging method | |
| CN103138342B (en) | Wireless charging mobile power source | |
| US9019726B2 (en) | Power converters with quasi-zero power consumption | |
| CN202444300U (en) | Wireless charging device | |
| CN103825329A (en) | Bidirectional power-switching circuit | |
| CN203840064U (en) | Wireless power supply system | |
| CN203761094U (en) | Solar-energy wireless charger | |
| CN203660579U (en) | Mobile power supply | |
| US20150084581A1 (en) | Charging device configured to reduce power consumption during non-charging period | |
| CN104518526A (en) | Power bank with wireless charging function | |
| CN107947254A (en) | The power monitoring supported for output voltage | |
| CN103151812B (en) | Wireless charging mobile power supply | |
| CN104092271A (en) | Intelligent lithium battery charger | |
| EP3518371A1 (en) | Wireless charging device, system and method on the basis of back cover-type mobile power supply | |
| CN203481855U (en) | Portable power supply device | |
| CN105375538A (en) | Quick charging device | |
| US8493023B2 (en) | Charge apparatus and method using the same | |
| CN201750171U (en) | Novel traveling emergency charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PUTIAN UNIVERSITY Free format text: FORMER OWNER: SONG NA Effective date: 20150602 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150602 Address after: 351100 Putian City, Fujian province Chengxiang District, Xingan Road No. 36 Village Patentee after: Putian University Address before: 351100 Putian province Fujian city Chengxiang District, Street No. 1133 Patentee before: Song Na |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20170724 |