CN106340940B - A kind of wireless charging battery - Google Patents
A kind of wireless charging battery Download PDFInfo
- Publication number
- CN106340940B CN106340940B CN201610844482.8A CN201610844482A CN106340940B CN 106340940 B CN106340940 B CN 106340940B CN 201610844482 A CN201610844482 A CN 201610844482A CN 106340940 B CN106340940 B CN 106340940B
- Authority
- CN
- China
- Prior art keywords
- battery
- wireless charging
- cathode
- battery case
- anode
- 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
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910003307 Ni-Cd Inorganic materials 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- H02J7/025—
-
- H02J5/005—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of wireless charging battery belongs to wireless charging technical field.The present invention provide a kind of environmental protection, conveniently, the wireless charging battery of wireless charging can be fast implemented.The present invention includes battery case, is respectively arranged with anode and battery cathode at the both ends of battery case, and in the circuit board for being internally provided with storage unit and wireless charging reception conversion circuit of battery case, wireless receiving coil is wound on the outside of battery case；The output end of the wireless receiving coil is each passed through the input terminal for receiving conversion circuit with wireless charging after battery case and is connected, the anode that wireless charging receives conversion circuit output end is connected with anode and storage unit anode respectively through anode connecting line, and the cathode that wireless charging receives conversion circuit output end is connected with battery cathode and storage unit cathode respectively through battery cathode connecting line；The storage unit uses rechargeable battery.
Description
Technical field
The invention belongs to wireless charging technical fields, and the battery of wireless charging is capable of more particularly to one kind.
Background technique
Battery is due to advantages unified, low in cost etc. with form-factor, in clock and watch, remote controler, toy, handle, wireless
It is had a wide range of applications in the mini electrical equipments such as mouse.
Currently, commercially available battery can be divided into general acidic battery, alkaline battery, Ni-Cd nickel-cadmium, nickel hydride charging electricity
The types such as pond and lithium battery.Wherein, general acidic battery, in Ni-Cd nickel-cadmium in addition to containing a large amount of heavy metal, strong acid etc.
Outside substance, also contain certain mercury metal, it is very serious to the pollution of environment.And alkaline battery, nickel-hydrogen chargeable cell and lithium battery
In contrast more friendly to environment, alkaline battery is most widely used due to cheap, but it is not chargeable, causes
Waste to resources such as zinc, manganese.And nickel-hydrogen chargeable cell and lithium battery are reusable, but must be equipped with charging accordingly and set
Standby, higher operating costs, this largely constrains the application of rechargeable battery.Therefore, develop it is a do not need by
The environment protection type battery that special charging equipment charges will have significant environmental benefit and overall cost benefit.
The nineties in 19th century, famous electrical engineers Ni Gula tesla first proposed the structure of wireless power transmission
Think.In recent years, universal with smart phone wireless charging technology, wireless charging have become it is a kind of it is low in cost, using just
Prompt charging facility, and have substitution wired charging greatly, the trend of huge numbers of families is entered into, relevant research has also achieved considerable
Progress.It is small to tens milliwatts, tens watts of power currently, wireless charging technology has covered wider transmission power range
Small medical equipment can apply nothing greatly to the electric car of upper kw of power and the magnetic suspension train of upper megawatts of power
Line power transmission.Its transmission range is also continuously improved, by it is original can only contact transmission be gradually evolved into and can be passed " every sky "
It is defeated, for example, Malin's Sol Jia Xi of Massachusetts Institute Technology in 2007 et al. utilizes magnetic resonance type wireless power transmission, use
Power supply " every ground " outside two meters has lighted one 60 watts of light bulb；In China's CE innovative design grand ceremony in 2010, Dell is illustrated
One is not necessarily to the laptop Latitude Z of power supply.The above technical progress shows: wireless charging technology will be into future
One step is universal, is battery charging using the technology, can will fundamentally solve as rechargeable battery optional equipment charger
Cost problem, while having widened the application range of wireless charging technology.
According to wireless power transmission principle, wireless power transmission mode can be divided into three classes: inductively wireless power transmission,
Magnetic resonance couples wireless power transmission and the transmission of microwave wireless electric energy.These three are based on the technology of different principle in transmission range
Respectively correspond close, neutralization at a distance.Wherein, inductively wireless power transmission is based primarily upon electromagnetic induction coupling principle, adopts
The wireless transmission of electric energy is realized with separable transformer or mutual inductor.Inductively wireless power transmission principle is simple,
Short range transmission efficiency may be up to 99%, and transmission range is in centimetres；With the increase of transmission range, efficiency sharply declines.
So inductively wireless power transmission is chiefly used in short distance contactless charging occasion.
Summary of the invention
It is very big to the harm of environment for old and useless battery in the prior art and be difficult to handle, and rechargeable battery charging need to borrow
The problems such as helping dedicated charger, the present invention provide a kind of environmental protection, conveniently, the wireless charging battery of wireless charging can be fast implemented.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of wireless charging battery, including outside battery
Shell is arranged its main feature is that the both ends in battery case are respectively arranged with anode and battery cathode in the inside of battery case
There are storage unit and wireless charging to receive the circuit board of conversion circuit, wireless receiving coil is wound on the outside of battery case；
The output end of the wireless receiving coil is each passed through the input terminal for receiving conversion circuit with wireless charging after battery case and is connected
Connect, wireless charging receive conversion circuit output end anode through anode connecting line respectively with anode and storage unit just
Pole is connected, wireless charging receive conversion circuit output end cathode through battery cathode connecting line respectively with battery cathode and electric power storage
Part cathode is connected；The storage unit uses rechargeable battery.
It includes rectification circuit, regulating circuit and single-chip microcontroller that the wireless charging, which receives conversion circuit, the rectification circuit
Input terminal is the input terminal that wireless charging receives conversion circuit, and the output end of rectification circuit is connected with the input terminal of regulating circuit
Connect, the output end of regulating circuit just extremely wireless charging receive conversion circuit output end anode, the output end of regulating circuit
Cathode be cathode that wireless charging receives conversion circuit output end, the single-chip microcontroller is connected with the control terminal of regulating circuit.
The wireless receiving coil uses the canoe around 3/4 circle of battery axis direction winding.
In the outside of the battery case, setting is fluted, and the wireless receiving coil winding is in the groove.
It is fixed in the groove of battery case after the wireless receiving coil winding by shell buckle.
The thickness of the wireless receiving coil is identical as the depth of groove on the outside of battery case.
Card slot is provided on the inside of the battery cathode, the outer end of storage unit is fixed on card slot by interference fit
It is interior.
The substrate material of the wireless receiving coil is nanometer conducting membrane.
The battery case uses the anti-corrosion shell made of ABS plastic.
Gap filling between the storage unit, circuit board, anode, battery cathode and battery case has insulation
Separation layer.
Beneficial effects of the present invention:
Wireless charging battery of the invention combines wireless charging technology with battery, using existing wireless charging device
It charges, has the advantages that
1, as battery case of the invention use the anti-corrosion shell made of ABS plastic, improve the corrosion-resistant of battery
Ability and intensity extend the service life of battery；
2, due to wireless charging battery of the invention can the wireless receiving coil of axially expanded winding charge, having
The area of coil is increased in the space of limit as far as possible；
3, wireless power transmission mode used by wireless charging battery of the invention is inductively wireless power transmission,
This principle is identical as the basic principle that existing mobile phone wireless charges, and therefore, the present invention can directly be charged using mobile phone wireless
Plate charges, and has excellent versatility, does not need the dedicated charger of general rechargeable battery, and battery is suitable for any wireless
Recharging base；
4, the present invention alleviates old and useless battery and recycles problem.
Detailed description of the invention
Fig. 1 is the winding state stereogram of one embodiment of wireless charging battery of the invention；
Fig. 2 is the pull-out state stereogram of one embodiment of wireless charging battery of the invention；
Fig. 3 is the explosive view of one embodiment of wireless charging battery of the invention；
Fig. 4 is the top view of Fig. 2；
Fig. 5 is the structural schematic diagram of the invention removed after battery case and wireless receiving coil；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the structural schematic diagram of the storage unit of one embodiment of the present of invention；
Fig. 8 is the schematic block circuit diagram that wireless charging of the invention receives conversion circuit；
In figure: 1- battery cathode, 2- wireless receiving coil, 3- shell buckle, 4- battery cathode connecting line, 5- anode
Connecting line, 6- anode, 7- circuit board, 8- storage unit, 9- battery case, 10- storage unit cathode, 11- storage unit
Anode, 12- storage unit safety vent, 13- storage unit metal shell.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in FIG. 1 to FIG. 7, a kind of wireless charging battery, including battery case 9, it is set respectively at the both ends of battery case 9
It is equipped with anode 6 and battery cathode 1, battery case 9 and anode 6 and battery cathode 1 are interference fitted；In battery case 9
The circuit board 7 for being internally provided with storage unit 8 and wireless charging and receiving conversion circuit, be wound in the outside of battery case 9
Wireless receiving coil 2；The output end of the wireless receiving coil 2 is each passed through after battery case 9 and receives conversion with wireless charging
The input terminal of circuit is connected, they occupy reasonable position respectively, makes structure more compact under the premise of meeting the requirements；Nothing
The anode that line charge electricity receives conversion circuit output end is positive with anode 6 and storage unit respectively through anode connecting line 5
11 are connected, wireless charging receive conversion circuit output end cathode through battery cathode connecting line 4 respectively with battery cathode 1 and store
Electric part cathode 10 is connected, and is enclosed with insulating materials outside the anode connecting line 5 and battery cathode connecting line 4.
In the present embodiment, the storage unit 8 uses chargeable nickel-metal hydride battery, and nickel-metal hydride battery is a kind of very excellent novel of performance
Not only there is rather low self discharging to react for battery, the nickel-metal hydride battery of storage unit 8 of the present invention, but also can be low at -20 DEG C
The lower work of temperature.
For the wireless receiving coil 2 using the canoe around 3/4 circle of battery axis direction winding, substrate material is to receive
Rice conducting membrane, can effectively obstruct interference electromagnetic wave, to realize high efficiency of transmission.It is arranged in the outside of the battery case 9
Fluted, the winding of wireless receiving coil 2 is in the groove；Wireless receiving coil 2 is fixed by shell buckle 3 after winding
In the groove of battery case 9.The thickness of wireless receiving coil 2 is identical as the depth of 9 outside groove of battery case, can make in this way
The diameter of battery case 9 remains unchanged when wireless receiving coil 2 is wrapped in the groove in 9 outside of battery case.It is described wirelessly to connect
The maximum electricity output of take-up circle 2 is 5V/A, and material is fine copper coil, and maximum temperature rise controls within 40 DEG C, and it is wireless to execute QI
Charge alliance standard, can carry out effective electromagnetic coupling within 0~2.5mm and charge.
The inside of the battery cathode 1 is provided with card slot, the outer end of storage unit 8 is fixed on card slot by interference fit
It is interior.
The battery case 9 uses the anti-corrosion shell made of ABS plastic, can effectively protect battery, extends making for battery
Use the service life.
The storage unit 8 is by storage unit anode 11, storage unit cathode 10, storage unit metal shell 13 and electric power storage
Partial security gas vent 12 forms, and storage unit 8 uses battery capacity for 1040mAh, voltage 1.5V, and chargeable number is
400~600 times, the charging time is 2 hours, and maximum discharge current is the nickel-metal hydride battery of 4350mA.
It is set in gap between the storage unit 8, circuit board 7, anode 6, battery cathode 1 and battery case 9
It is equipped with the dielectric isolation layer filled by materials such as insulating resins, generation electrostatic electric arc is can effectively avoid and wounds circuit part.
As shown in figure 8, it includes rectification circuit, regulating circuit and single-chip microcontroller that the wireless charging, which receives conversion circuit, it is described
The input terminal of rectification circuit is the input terminal that wireless charging receives conversion circuit, the output end of rectification circuit and regulating circuit it is defeated
Enter end to be connected, the output end of regulating circuit just extremely wireless charging receive conversion circuit output end anode, regulating circuit
Output end cathode be wireless charging receive conversion circuit output end cathode, the control terminal of the single-chip microcontroller and regulating circuit
It is connected.The rectification circuit uses full-wave bridge rectifier circuit, and the chip model of the circuit is BQ51031B, the single-chip microcontroller
The model BJ8P153 of use.
The realization principle of wireless charging battery of the invention is as follows:
The principle of electromagnetic induction is similar to transformer, is generated by the coupling between primary coil and secondary coil
Electric current, so that energy is transferred to receiving end from transmitting terminal.This principle is faraday electromagnetic induction, when electric current by coil it
After will generate magnetic field, have magnetic field that can discharge, wireless charging is exactly the constraint for getting rid of electric wire in this way.Original of the invention
Reason is mainly electromagnetic induction, by the coil-induced generation electric current of primary and secondary, so that energy is transferred to reception from transmission end
End.According to this principle, wireless charging base that wireless charging uses built-in wireless charging transmitting coil, wireless charging battery are adopted
With wireless receiving coil 2, the wireless receiving coil 2 of state will be wrapped like close to wireless charging base, wireless charging transmitting coil hair
After the energy penetrated is coupled to receive by wireless receiving coil 2, the high-frequency current received is received into conversion circuit through wireless charging and is turned
It is changed to after direct current and charges for battery, obtain charging voltage and electric current required for battery, can realize from wireless charging base
Charging to wireless charging battery.Wireless charging transmitting coil and wireless receiving coil 2 are mutually aligned, do not generate offset, this
Sample it is ensured that increase magnetic induction line percent of pass, improve the efficiency of charging.
Claims (1)
1. a kind of wireless charging battery, including battery case, it is characterised in that be respectively arranged with battery at the both ends of battery case
Anode and battery cathode, in the circuit board for being internally provided with storage unit and wireless charging and receiving conversion circuit of battery case,
Wireless receiving coil is wound on the outside of battery case；After the output end of the wireless receiving coil is each passed through battery case
With wireless charging receive conversion circuit input terminal be connected, wireless charging receive conversion circuit output end anode through battery just
Pole connecting line is connected with anode and storage unit anode respectively, and wireless charging receives the cathode warp of conversion circuit output end
Battery cathode connecting line is connected with battery cathode and storage unit cathode respectively；The storage unit uses rechargeable battery；
It includes rectification circuit, regulating circuit and single-chip microcontroller, the input of the rectification circuit that the wireless charging, which receives conversion circuit,
End is the input terminal that wireless charging receives conversion circuit, and the output end of rectification circuit is connected with the input terminal of regulating circuit, is adjusted
The output end of volt circuit just extremely wireless charging receive conversion circuit output end anode, the cathode of the output end of regulating circuit
The cathode of conversion circuit output end is received for wireless charging, the single-chip microcontroller is connected with the control terminal of regulating circuit；
The wireless receiving coil uses the canoe around 3/4 circle of battery axis direction winding；
The outside setting of the battery case is fluted, and the wireless receiving coil winding is in the groove；
It is fixed in the groove of battery case after the wireless receiving coil winding by shell buckle；
The thickness of the wireless receiving coil is identical as the depth of groove on the outside of battery case；
Card slot is provided on the inside of the battery cathode, the outer end of storage unit is fixed in card slot by interference fit；
The substrate material of the wireless receiving coil is nanometer conducting membrane；
The battery case uses the anti-corrosion shell made of ABS plastic；
Gap filling between the storage unit, circuit board, anode, battery cathode and battery case is dielectrically separated from
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844482.8A CN106340940B (en) | 2016-09-22 | 2016-09-22 | A kind of wireless charging battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844482.8A CN106340940B (en) | 2016-09-22 | 2016-09-22 | A kind of wireless charging battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106340940A CN106340940A (en) | 2017-01-18 |
| CN106340940B true CN106340940B (en) | 2019-08-06 |
Family
ID=57840243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610844482.8A Expired - Fee Related CN106340940B (en) | 2016-09-22 | 2016-09-22 | A kind of wireless charging battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106340940B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM550505U (en) * | 2017-06-14 | 2017-10-11 | Apo International Co Ltd | Wireless rechargeable battery |
| WO2019061031A1 (en) * | 2017-09-26 | 2019-04-04 | 深圳市熙锦科技发展有限公司 | Wireless rechargeable battery and wireless rechargeable battery pack |
| CN108550937B (en) * | 2018-05-03 | 2021-07-06 | 深圳市熙锦科技发展有限公司 | Rechargeable battery with built-in wireless charging coil |
| CN108767348A (en) * | 2018-07-12 | 2018-11-06 | 深圳市熙锦科技发展有限公司 | Wireless charging battery and wireless charging battery group |
| IT202000005854A1 (en) * | 2020-03-19 | 2021-09-19 | Pierluigi Lorenzi | Standard-size rechargeable battery, equipped inside with a coil for receiving short-range wireless charging with electromagnetic induction technology, capable of replacing normal alkaline batteries in the wireless power supply of user devices |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656503U (en) * | 2009-11-19 | 2010-11-24 | 深圳市三子科技有限公司 | Portable wireless chargeable electronic device combination capable of charging |
| CN202997002U (en) * | 2011-12-30 | 2013-06-12 | 海尔集团公司 | Wireless rechargeable battery |
| CN103715469A (en) * | 2012-10-09 | 2014-04-09 | 南开大学滨海学院 | Wireless rechargeable battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ607488A (en) * | 2010-11-16 | 2014-08-29 | Powerbyproxi Ltd | A wirelessly rechargeable battery and power transmitter |
-
2016
- 2016-09-22 CN CN201610844482.8A patent/CN106340940B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201656503U (en) * | 2009-11-19 | 2010-11-24 | 深圳市三子科技有限公司 | Portable wireless chargeable electronic device combination capable of charging |
| CN202997002U (en) * | 2011-12-30 | 2013-06-12 | 海尔集团公司 | Wireless rechargeable battery |
| CN103715469A (en) * | 2012-10-09 | 2014-04-09 | 南开大学滨海学院 | Wireless rechargeable battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106340940A (en) | 2017-01-18 |
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Granted publication date: 20190806 |