CN108649651A - A kind of charged lithium cells charging suite and its charging circuit - Google Patents
A kind of charged lithium cells charging suite and its charging circuit Download PDFInfo
- Publication number
- CN108649651A CN108649651A CN201810582704.2A CN201810582704A CN108649651A CN 108649651 A CN108649651 A CN 108649651A CN 201810582704 A CN201810582704 A CN 201810582704A CN 108649651 A CN108649651 A CN 108649651A
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- CN
- China
- Prior art keywords
- charging
- battery
- chip
- pins
- positive terminal
- 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.)
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
Abstract
It includes battery, positive terminal, charging base that the present invention, which discloses a kind of charged lithium cells charging suite and its charging circuit, the suit,；The battery top is provided with positive pole ear, and positive terminal is equipped on positive pole ear；Battery is mounted on by the charging wand on charging base on charging base；The top and bottom of the battery are respectively arranged with positive pole ear, negative lug, and pole slot is provided on positive pole ear, and pole slot is located at positive pole ear center；Battery charging ring is provided in pole groove sidewall；It is provided with pressure ring on the positive terminal；It is provided with positive caping on positive terminal above pressure ring, conducting ring is provided on the positive terminal side wall below pressure ring；Pressure ring is located among positive terminal, and pressure ring is parallel at the top of positive terminal.The characteristics of there are the present invention applicable multiple lithium batteries to charge simultaneously, and positive terminal is set as electric discharge charging switching mechanism.
Description
Technical field
The present invention relates to a kind of charged lithium cells charging suites, especially a kind of that there are applicable multiple lithium batteries to fill simultaneously
Electricity, positive terminal are set as the charged lithium cells charging suite and its charging circuit of electric discharge charging switching mechanism.
Background technology
It can be used repeatedly for battery, and compared with disposable battery, not only the utilization rate of raw material is high, moreover, when being scrapped by it
Between it is long, decrease battery rubbish, meet environmental protection concept.Therefore, the application of battery in daily life is more and more extensive, especially
It is in all kinds of digital products using more extensive.However, traditional battery needs dedicated charger to charge, this just makes
At people travelling be will with many chargers, and people when going out it is easy to forget that carry charger, give life band
Carry out inconvenience.
Lithium battery is the abbreviation of lithium ion battery, and lithium battery charging circuit mostly uses discrete device at present, passes through transformer
And detecting circuit provides power supply for circuit, this mode can make charging voltage very unstable, serious to cause to damage to battery
It is bad；And judge whether that charging finishes by simple transistor voltage detection circuit, the feelings for being easy to happen undercharge or overcharging
Condition shortens battery life.
Invention content
The purpose of the present invention is to provide one kind, and there are applicable multiple lithium batteries to charge simultaneously, and positive terminal is set as electric discharge and fills
The charged lithium cells charging suite of electric switching mechanism.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of charged lithium cells charging suite, including battery, positive terminal, charging base；
The battery top is provided with positive pole ear, and positive terminal is equipped on positive pole ear；Battery passes through on charging base
Charging wand be mounted on charging base on；
The top and bottom of the battery are respectively arranged with positive pole ear, negative lug, and pole is provided on positive pole ear
Slot, pole slot are located at positive pole ear center；Battery charging ring is provided in pole groove sidewall；
It is provided with pressure ring on the positive terminal；It is provided with positive caping on positive terminal above pressure ring, below pressure ring just
It is provided with conducting ring on pole side wall；Pressure ring is located among positive terminal, and pressure ring is parallel at the top of positive terminal；
The charging base upper surface is provided with battery case, and charging wand is provided in battery case, is arranged on charging wand side wall
There is pedestal charging ring；Charging base side is provided with charging interface；The central shaft of charging wand is overlapped with battery case perpendicular bisector, charging
Stick is perpendicular to charging base upper surface；Several battery cases, charging wand arrange on charging base in matrix-style；
Conducting ring on the positive terminal coordinates with pole slot, battery charging ring, and positive terminal is mounted on electricity by conducting ring
Chi Shang；
The pole slot coordinates with the charging wand, and battery is installed to by pole slot in charging wand；Battery charging ring with
Pedestal charging ring coordinates；Charging interface is parallel-connected to by the charging circuit in charging base on several pedestal charging rings；
The charging interface connects DC power supply, or alternating current is converted to direct current by charger；The charging
Mouth is one kind in MicroUSB, MiniUSB, USB Type-C interface；
Light source indicator light is provided in the battery case, when charging interface connects external direct current, instruction light source sends out red
Coloured light or green light, the red light representations battery are to charge, green light representations battery charging complete；
A kind of charged lithium cells charging suite charging circuit, the circuit include DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection electricity
Road；Voltage stabilizing chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit to be connected to battery
Positive and negative end；
The voltage stabilizing chip N2 is WRH25-24S05 chips；The charging chip N1 is UCT3142C chips；
+ VIN the pins of the voltage stabilizing chip N2 are connect with the VIN pins of charging chip N1, VIN pins, CE pins respectively；
The GND pin of voltage stabilizing chip N2 is connect with the FAULT pins of charging chip N1；The positive and negative anodes of capacitance C1 are parallel-connected to surely respectively
Press+Vo1 pins, the GND pin both ends of chip N2；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, two poles
One end of pipe V1 connection resistance R1, and connect one end of resistance R2, the GND that the other end of resistance R1 is connected to voltage stabilizing chip N2 draw
Foot, resistance R2 are connected to the CHRG pins of charging chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 draws
The BAT of foot is connected to anode, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；The BAT of charging chip N1 draws
Foot is connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2 is connected to charging core
The GND pin of piece N1；The ISET pins of charging chip N1 are sequentially connected the GND pin of resistance R5, resistance R3, charging chip N1；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND；
The diode V1 is double-colored diode temperature.
The present invention provides a kind of charged lithium cells charging suite and its charging circuits, have and are applicable in multiple lithium batteries simultaneously
The characteristics of charging, positive terminal is set as electric discharge charging switching mechanism.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of explosive view of charged lithium cells charging suite of the present invention；
Fig. 2 is a kind of explosive view of charged lithium cells charging suite of the present invention；
Fig. 3 is a kind of structural schematic diagram of charged lithium cells charging suite of the present invention；
Fig. 4 is a kind of battery explosion figure of charged lithium cells charging suite of the present invention；
Fig. 5 is a kind of battery explosion figure of charged lithium cells charging suite of the present invention；
Fig. 6 is a kind of battery structure schematic diagram of charged lithium cells charging suite of the present invention；
Fig. 7 is a kind of charging base structural schematic diagram of charged lithium cells charging suite of the present invention；
Fig. 8 is a kind of charged lithium cells charging suite charging circuit diagram of the present invention.
Specific implementation mode
The purpose of the present invention can be achieved through the following technical solutions：
A kind of charged lithium cells charging suite, referring to Fig. 1-7, including battery 1, positive terminal 2, charging base 3；
1 top of the battery is provided with positive pole ear 11, and positive terminal 2 is equipped on positive pole ear 11；Battery 1 passes through charging
Charging wand 32 on pedestal 3 is mounted on charging base 3；
The top and bottom of the battery 1 are respectively arranged with positive pole ear 11, negative lug 14, are arranged on positive pole ear 11
There are pole slot 12, pole slot 12 to be located at 11 center of positive pole ear；It is provided with battery charging ring 13 on 12 side wall of pole slot；
Pressure ring 22 is provided on the positive terminal 2；It is provided with positive caping 21, pressure ring on the positive terminal 2 of 22 top of pressure ring
It is provided with conducting ring 23 on 2 side wall of positive terminal of 22 lower sections；Pressure ring 22 is located among positive terminal 2, and pressure ring 22 is parallel to positive terminal 2
Top；
3 upper surface of the charging base is provided with battery case 31, and charging wand 32,32 side of charging wand are provided in battery case 31
Pedestal charging ring 33 is provided on wall；3 side of charging base is provided with charging interface 34；The central shaft and battery case of charging wand 32
31 perpendicular bisectors overlap, and charging wand 32 is perpendicular to 3 upper surface of charging base；Several battery cases 31, charging wand 32 are on charging base 3
It is arranged in matrix-style；
Conducting ring 23 on the positive terminal 2 coordinates with pole slot 12, battery charging ring 13, and positive terminal 2 passes through conducting ring
23 are mounted on battery 1, and positive terminal 2 is the electric discharge anode of battery 1, and negative lug 14 is the electric discharge cathode of battery 1, and battery 1 is put
Electric current is flowed out to by battery charging ring 13, conducting ring 23, then via positive caping 21 in load, and load current is again by negative
Pole lug 14 flows back to battery 1, forms discharge loop；
The pole slot 12 coordinates with the charging wand 32, and battery 1 is installed to by pole slot 12 in charging wand 32；Battery
Charging ring 13 coordinates with pedestal charging ring 33；Charging interface 34 is parallel-connected to several by the charging circuit in charging base 3
On pedestal charging ring 33；
The charging interface 34 connects DC power supply, or alternating current is converted to direct current by charger；The charging
Interface 34 is one kind in MicroUSB, MiniUSB, USB Type-C interface；
Light source indicator light is provided in the battery case 31, when charging interface 34 connects external direct current, instruction light source hair
Go out red light or green light, the red light representations battery 1 is to charge, green 1 charging complete of light representations battery；
A kind of charged lithium cells charging suite charging circuit, referring to Fig. 8, which includes DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection electricity
Road；Voltage stabilizing chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit to be connected to battery 1
Positive and negative end；
The voltage stabilizing chip N2 is WRH25-24S05 chips；The charging chip N1 is UCT3142C chips；
+ VIN the pins of the voltage stabilizing chip N2 are connect with the VIN pins of charging chip N1, VIN pins, CE pins respectively；
The GND pin of voltage stabilizing chip N2 is connect with the FAULT pins of charging chip N1；The positive and negative anodes of capacitance C1 are parallel-connected to surely respectively
Press+Vo1 pins, the GND pin both ends of chip N2；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, two poles
One end of pipe V1 connection resistance R1, and connect one end of resistance R2, the GND that the other end of resistance R1 is connected to voltage stabilizing chip N2 draw
Foot, resistance R2 are connected to the CHRG pins of charging chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 draws
The BAT of foot is connected to 1 anode of battery, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；The BAT of charging chip N1
Pin is connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2 is connected to charging
The GND pin of chip N1；The ISET pins of charging chip N1 be sequentially connected resistance R5, resistance R3, charging chip N1 GND draw
Foot；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND；
The diode V1 is double-colored diode temperature.
The working method of this circuit：
DC/DC modules are used for operating voltage that externally input voltage transformation is charging chip N1 and are charging chip N1
Power supply, the charged state indicating module of connection display lithium battery charged state between DC/DC modules and charging chip N1, charge core
Piece N1 is connected with the current precision control module for being output to the current precision of lithium battery for controlling charging chip N1.Charged state
Indicating module includes dichromatic LED V1 and current-limiting resistance R1, current-limiting resistance R2, dichromatic LED V1 respectively with limit
Leakage resistance R1, R2 are connected in series with, and the anode of dichromatic LED V1 is connected to the power output end and charging core of DC/DC modules
Power input VIN pins, the Enable Pin CE pins of piece N1, the cathode of dichromatic LED V1 respectively with current-limiting resistance R2,
R1 is connected in series with the charged state indication end CHRG pins with charging chip N1, battery error condition indication end FAULT pins afterwards
It connects and is grounded.Current precision control module includes that two current precisions control resistance R3, resistance R5, and current precision controls resistance
R3, current precision control resistance R5 are connected in series with, two be connected in series with current precision control resistance both ends respectively with institute
Charging chip electric current setting end ISET pins are stated to connect with ground terminal.The resistance for controlling output current size is divided into two by the present invention
The resistance of a difference resistance level, when adjusting, are only adjusted the resistance of smaller resistance level, to by the essence of output current
Degree improves an order of magnitude.
The present invention uses lithium battery charging chip N1 as charge controlling chip, using the DC/ of high-precision wide voltage range
DC modules are powered for charging circuit, and the display of charged state is realized using the colour match of dichromatic LED.Charging chip
N1 is internally integrated power transistor, and when application is not required to external impressed current detection resistance and blocking diode, when cell voltage is relatively low
Using the precharge mode of low current, charged using constant current, constant pressure, constant temperature mode.Have the function of to recharge automatically, state instruction
Output can drive LED to show.
Dichromatic LED is there are three pin, and there are red and green two kinds of illuminators in inside, by on-load voltage to not
With pin, to make the rubescent color of light emitting diode or green light, this circuit design are always on for green light, shiny red when charging.
In the front ends charging chip N1, the voltage stabilizing chip N2 for using DC/DC modules is powered, and voltage stabilizing chip N2 is to carry
For stable output voltage, there is overcurrent-overvoltage overheating protection function, DC/DC modules to be changed into 18-36V DC input voitages
5V voltages are charging chip power supply, it can be achieved that being that multisection lithium battery charges, and each group charging circuit works independently simultaneously, mutually
It does not influence.
The present invention can carry out constant current/constant voltage charging to lithium battery, and peripheral circuit is simple, and output voltage precision is high, output
Current adjustment has charged state instruction, improves charging efficiency.
When the present invention charges, when cell voltage is more than power supply low voltage test threshold value, start to charge the battery.Such as
When fruit cell voltage is less than preset value, charger low current is to battery into line precharge to protect battery.When cell voltage height
When preset value, charger charges to battery using constant current mode.When cell voltage is close to battery-end modulation voltage, into perseverance
Charge mode, charging current is pressed to be gradually reduced.When charging current, which is reduced to charging, terminates threshold value, charge cycle terminates.
The present invention provides a kind of charged lithium cells charging suite and its charging circuits, have and are applicable in multiple lithium batteries simultaneously
The characteristics of charging, positive terminal is set as electric discharge charging switching mechanism.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (10)
1. a kind of charged lithium cells charging suite, including battery (1), positive terminal (2), charging base (3), it is characterised in that：
It is provided with positive pole ear (11) at the top of the battery (1), positive terminal (2) is installed on positive pole ear (11)；Battery (1) is logical
Charging wand (32) on overcharge pedestal (3) is mounted on charging base (3).
2. a kind of charged lithium cells charging suite according to claim 1, which is characterized in that the top surface of the battery (1)
It is respectively arranged with positive pole ear (11), negative lug (14) with bottom surface, pole slot (12), pole are provided on positive pole ear (11)
Slot (12) is located at positive pole ear (11) center；It is provided with battery charging ring (13) on pole slot (12) side wall.
3. a kind of charged lithium cells charging suite according to claim 1, which is characterized in that set on the positive terminal (2)
It is equipped with pressure ring (22)；Positive caping (21), the positive terminal below pressure ring (22) are provided on positive terminal (2) above pressure ring (22)
(2) conducting ring (23) is provided on side wall；Pressure ring (22) is located among positive terminal (2), and pressure ring (22) is parallel to positive terminal (2) top
Portion.
4. a kind of charged lithium cells charging suite according to claim 1, which is characterized in that on the charging base (3)
Surface is provided with battery case (31), is provided with charging wand (32) in battery case (31), pedestal is provided on charging wand (32) side wall
Charging ring (33)；Charging base (3) side is provided with charging interface (34)；In the central shaft and battery case (31) of charging wand (32)
Vertical line overlaps, and charging wand (32) is perpendicular to charging base (3) upper surface；Several battery cases (31), charging wand (32) are at charging bottom
It is arranged in matrix-style on seat (3).
5. a kind of charged lithium cells charging suite according to claim 1, which is characterized in that on the positive terminal (2)
Conducting ring (23) coordinates with pole slot (12), battery charging ring (13), and positive terminal (2) is mounted on battery by conducting ring (23)
(1) on.
6. a kind of charged lithium cells charging suite according to claim 3, which is characterized in that pole slot (12) and charging wand
(32) coordinate, battery (1) is installed to by pole slot (12) in charging wand (32)；Battery charging ring (13) and pedestal charging ring
(33) coordinate；Charging interface (34) is parallel-connected to several pedestal charging rings (33) by the charging circuit in charging base (3)
On；
Charging interface (34) connects DC power supply, or alternating current is converted to direct current by charger；Charging interface (34) is
One kind in MicroUSB, MiniUSB, USB Type-C interface；
Light source indicator light is provided in battery case (31), when charging interface (34) connects external direct current, instruction light source sends out red
Coloured light or green light, the red light representations battery (1) are to charge, green light representations battery (1) charging complete.
7. a kind of charged lithium cells charging suite charging circuit, which is characterized in that the circuit includes DC/DC modules, charging module；
Containing voltage stabilizing chip N2, adjusting circuit in the DC/DC modules, charging module includes charging chip N1, protection circuit；Surely
Pressure chip N2 is connected to by adjusting circuit on charging chip N1, and charging chip N1 is by protecting circuit being connected to battery (1) just
Cathode both ends.
8. a kind of charged lithium cells charging suite charging circuit according to claim 7, which is characterized in that the voltage stabilizing core
Piece N2 is WRH25-24S05 chips；The charging chip N1 is UCT3142C chips.
9. a kind of charged lithium cells charging suite charging circuit according to claim 7, which is characterized in that the voltage stabilizing core
+ VIN the pins of piece N2 are connect with the VIN pins of charging chip N1, VIN pins, CE pins respectively；The GND of voltage stabilizing chip N2 draws
Foot is connect with the FAULT pins of charging chip N1；+ the Vo1 that the positive and negative anodes of capacitance C1 are parallel-connected to voltage stabilizing chip N2 respectively draws
Foot, GND pin both ends；The anode of diode V1 is connect with+Vo1 the pins of voltage stabilizing chip N2, diode V1 connection resistance R1's
One end, and one end of resistance R2 is connected, the other end of resistance R1 is connected to the GND pin of voltage stabilizing chip N2, and resistance R2 is connected to
The CHRG pins of charging chip N1；
The BAT pins of charging chip N1 are connect with BAT pins, and TEMP pins are connect with GND pin；Charging chip N1 pins
BAT is connected to battery (1) anode, and the GND pin of charging chip N1 is connected to the cathode of lithium battery；The BAT of charging chip N1 draws
Foot is connect with one end of resistance R4, and the other end of resistance R4 is connected to capacitance C2 anodes, and the cathode of capacitance C2 is connected to charging core
The GND pin of piece N1；The ISET pins of charging chip N1 are sequentially connected the GND pin of resistance R5, resistance R3, charging chip N1；
The GND pin of voltage stabilizing chip N2 connects GND；The GND pin of charging chip N1 connects GND.
10. a kind of charged lithium cells charging suite charging circuit according to claim 9, which is characterized in that two pole
Pipe V1 is double-colored diode temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582704.2A CN108649651A (en) | 2018-06-07 | 2018-06-07 | A kind of charged lithium cells charging suite and its charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810582704.2A CN108649651A (en) | 2018-06-07 | 2018-06-07 | A kind of charged lithium cells charging suite and its charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108649651A true CN108649651A (en) | 2018-10-12 |
Family
ID=63751863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810582704.2A Pending CN108649651A (en) | 2018-06-07 | 2018-06-07 | A kind of charged lithium cells charging suite and its charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108649651A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938149A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Wireless charge device |
| CN203086194U (en) * | 2013-01-15 | 2013-07-24 | 武汉华博通讯有限公司 | A lithium battery charger circuit |
| CN104037882A (en) * | 2014-06-20 | 2014-09-10 | 惠州市咯能科技有限公司 | Charger |
| CN204012843U (en) * | 2014-07-31 | 2014-12-10 | 济南大学 | Multifunctional portable power source |
| CN105429205A (en) * | 2015-11-17 | 2016-03-23 | 罗新平 | Charging apparatus with pivoting structure |
-
2018
- 2018-06-07 CN CN201810582704.2A patent/CN108649651A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938149A (en) * | 2009-06-29 | 2011-01-05 | 鸿富锦精密工业（深圳）有限公司 | Wireless charge device |
| CN203086194U (en) * | 2013-01-15 | 2013-07-24 | 武汉华博通讯有限公司 | A lithium battery charger circuit |
| CN104037882A (en) * | 2014-06-20 | 2014-09-10 | 惠州市咯能科技有限公司 | Charger |
| CN204012843U (en) * | 2014-07-31 | 2014-12-10 | 济南大学 | Multifunctional portable power source |
| CN105429205A (en) * | 2015-11-17 | 2016-03-23 | 罗新平 | Charging apparatus with pivoting structure |
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| PB01 | Publication | ||
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Application publication date: 20181012 |