CN104753138B - A kind of portable power source and its charging circuit - Google Patents
A kind of portable power source and its charging circuit Download PDFInfo
- Publication number
- CN104753138B CN104753138B CN201510147452.7A CN201510147452A CN104753138B CN 104753138 B CN104753138 B CN 104753138B CN 201510147452 A CN201510147452 A CN 201510147452A CN 104753138 B CN104753138 B CN 104753138B
- Authority
- CN
- China
- Prior art keywords
- oxide
- type metal
- semiconductor
- chip
- power source
- 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.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention is applied to field of power supplies, more particularly to a kind of portable power source and its charging circuit.In the present invention, the charging circuit of this portable power source include energy-storage battery and respectively with energy-storage battery, power supply and the charging control unit of electrical equipment connection, the charging circuit of portable power source also includes the switch control unit being connected with charging control unit, charging control unit uses charge controlling chip, two pins of charge controlling chip export the voltage of low and high level with certain frequency respectively, two groups of metal-oxide-semiconductor conductings are controlled respectively, so as to increase charging voltage of the portable power source to external electric equipment, further increase the charging current to external electric equipment, so that portable power source can charge to multiple equipment simultaneously.
Description
Technical field
The invention belongs to field of power supplies, more particularly to a kind of portable power source and its charging circuit.
Background technology
Mobile phone is widely used among daily life as a kind of conventional mobile terminal, with mobile phone
Extensive use, the demand of people opponent's electromechanics amount is also increasing, and portable power source is supplied as most suitable electricity and equipped,
Applied more and more.
People are to the cognition degree more and more higher of portable power source, and the place that smart mobile phone covering is concentrated is exactly portable power source popularization
Highest place is spent, in many center big cities, portable power source has become working people and the indispensable thing of many young people
Product.
However, portable power source maximum output current can only achieve 2.0A in the market, due to the limitation of output current, no
Multiple equipment can be charged simultaneously.It is just not very convenient so when multiple electrical equipments need charging.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of charging circuit of portable power source, it is intended to solve present mobile electricity
Source is present to be limited by output current, it is impossible to while the problem of being charged to multiple equipment.
The embodiment of the present invention is achieved in that a kind of charging circuit of portable power source, the charging electricity of the portable power source
Road includes energy-storage battery and the charging control unit being connected respectively with the energy-storage battery, power supply and electrical equipment, the shifting
The charging circuit of dynamic power supply also includes the switch control unit being connected with the charging control unit, for exciting the charging control
Unit processed charges to the electrical equipment；
The charging control unit includes：
Charge controlling chip U1, p-type metal-oxide-semiconductor chip U2, p-type metal-oxide-semiconductor chip U3, p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, P
Type metal-oxide-semiconductor Q3, p-type metal-oxide-semiconductor Q4；
The first control end CTRL1 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q1's and p-type metal-oxide-semiconductor Q2 simultaneously
Grid, the drain electrode of p-type metal-oxide-semiconductor Q1 and p-type the metal-oxide-semiconductor Q2 connects the energy-storage battery, the p-type metal-oxide-semiconductor Q1 and p-type simultaneously
Metal-oxide-semiconductor Q2 source electrode connects the p-type metal-oxide-semiconductor Q3 and p-type metal-oxide-semiconductor Q4 source electrode simultaneously, and the drain electrode of the p-type metal-oxide-semiconductor Q3 meets institute
Electrical equipment is stated, the drain electrode of the p-type metal-oxide-semiconductor Q4 connects the power supply, the 3rd control end CTRL3 of the charge controlling chip U1
The grid of the p-type metal-oxide-semiconductor Q3 is connect, the 4th control end CTRL4 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q4's
Grid, the second control end CTRL2 of the charge controlling chip U1 meets the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor core simultaneously
Piece U3 grid, the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode are grounded simultaneously, and the p-type metal-oxide-semiconductor
Chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode connect the energy-storage battery by electric capacity simultaneously.
The another object of the embodiment of the present invention is to provide a kind of portable power source, and the portable power source includes portable power source
Charging circuit, the charging circuit of the portable power source include energy-storage battery and respectively with the energy-storage battery, power supply and electricity consumption
The charging control unit of equipment connection, the charging circuit of the portable power source also includes and opening that the charging control unit is connected
Control unit is closed, for exciting the charging control unit to charge the electrical equipment；
The charging control unit includes：
Charge controlling chip U1, p-type metal-oxide-semiconductor chip U2, p-type metal-oxide-semiconductor chip U3, p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, P
Type metal-oxide-semiconductor Q3, p-type metal-oxide-semiconductor Q4；
The first control end CTRL1 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q1's and p-type metal-oxide-semiconductor Q2 simultaneously
Grid, the drain electrode of p-type metal-oxide-semiconductor Q1 and p-type the metal-oxide-semiconductor Q2 connects the energy-storage battery, the p-type metal-oxide-semiconductor Q1 and p-type simultaneously
Metal-oxide-semiconductor Q2 source electrode connects the p-type metal-oxide-semiconductor Q3 and p-type metal-oxide-semiconductor Q4 source electrode simultaneously, and the drain electrode of the p-type metal-oxide-semiconductor Q3 meets institute
Electrical equipment is stated, the drain electrode of the p-type metal-oxide-semiconductor Q4 connects the power supply, the 3rd control end CTRL3 of the charge controlling chip U1
The grid of the p-type metal-oxide-semiconductor Q3 is connect, the 4th control end CTRL4 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q4's
Grid, the second control end CTRL2 of the charge controlling chip U1 meets the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor core simultaneously
Piece U3 grid, the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode are grounded simultaneously, and the p-type metal-oxide-semiconductor
Chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode connect the energy-storage battery by electric capacity simultaneously.
In embodiments of the present invention, the charging circuit of this portable power source include energy-storage battery and respectively with energy-storage battery,
Power supply and the charging control unit of electrical equipment connection, the charging circuit of portable power source also include what is be connected with charging control unit
Switch control unit, charging control unit uses charge controlling chip U1, and charge controlling chip U1 two pins are respectively with one
Determine the voltage of rate-adaptive pacemaker low and high level, two groups of metal-oxide-semiconductor conductings are controlled respectively, outside electricity consumption is set so as to increase portable power source
Standby charging voltage, further increases the charging current to external electric equipment, so that portable power source can be simultaneously right
Multiple equipment charges.
Brief description of the drawings
Fig. 1 is the function structure chart of the charging circuit of portable power source provided in an embodiment of the present invention；
Fig. 2 is the circuit structure diagram of the charging circuit of portable power source provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the modular structure of the charging circuit of portable power source provided in an embodiment of the present invention, for convenience of description,
It illustrate only the part related to the embodiment of the present invention.
A kind of charging circuit of portable power source, the charging circuit of the portable power source include energy-storage battery 3 and respectively with
The charging control unit 2 of the energy-storage battery 3, power supply and electrical equipment connection, the charging circuit of the portable power source also includes
The switch control unit 1 being connected with the charging control unit 2, for exciting described 2 pairs of electricity consumptions of charging control unit to set
Standby charging；
As one embodiment of the invention, the charging circuit of the portable power source is also including in parallel with the energy-storage battery 3
Battery protection unit 4, for being overcharged to the energy-storage battery 3, cross put, excessively stream, short-circuit protection.
Fig. 2 shows the circuit structure of the charging circuit of portable power source provided in an embodiment of the present invention, for convenience of description,
It illustrate only the part related to the embodiment of the present invention.
As one embodiment of the invention, the charging control unit 2 includes：
Charge controlling chip U1, p-type metal-oxide-semiconductor chip U2, p-type metal-oxide-semiconductor chip U3, p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, P
Type metal-oxide-semiconductor Q3, p-type metal-oxide-semiconductor Q4；
The first control end CTRL1 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q1's and p-type metal-oxide-semiconductor Q2 simultaneously
Grid, the drain electrode of p-type metal-oxide-semiconductor Q1 and p-type the metal-oxide-semiconductor Q2 connects the energy-storage battery 3, the p-type metal-oxide-semiconductor Q1 and p-type simultaneously
Metal-oxide-semiconductor Q2 source electrode connects the p-type metal-oxide-semiconductor Q3 and p-type metal-oxide-semiconductor Q4 source electrode simultaneously, and the drain electrode of the p-type metal-oxide-semiconductor Q3 meets institute
Electrical equipment is stated, the drain electrode of the p-type metal-oxide-semiconductor Q4 connects the power supply, the 3rd control end CTRL3 of the charge controlling chip U1
The grid of the p-type metal-oxide-semiconductor Q3 is connect, the 4th control end CTRL4 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q4's
Grid, the second control end CTRL2 of the charge controlling chip U1 meets the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor core simultaneously
Piece U3 grid, the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode are grounded simultaneously, and the p-type metal-oxide-semiconductor
Chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode connect the energy-storage battery 3 by electric capacity simultaneously.
As one embodiment of the invention, the charge controlling chip U1 uses model JC8011Q chip, may be used also certainly
With using the chip of other models.
As one embodiment of the invention, the switch control unit 1 includes：
Switch K1, resistance R1, resistance R2, electric capacity C1 and N-type metal-oxide-semiconductor Q5；
The first end of the switch K1 connects the energy-storage battery 3 by the resistance R1, and the second end of the switch K1 leads to
The resistance R2 and electric capacity the C1 ground connection of parallel connection are crossed, the grid of the N-type metal-oxide-semiconductor Q5 connects the public of the switch K1 and electric capacity C1
Connection end, the source ground of the N-type metal-oxide-semiconductor Q5, the drain electrode of the N-type metal-oxide-semiconductor Q5 connects making for the charge controlling chip U1
Can end EN.
As one embodiment of the invention, the charging control unit 2 also includes the instruction for being used to show portable power source electricity
Lamp L1, indicator lamp L2, indicator lamp L3 and indicator lamp L4, the indicator lamp L1, indicator lamp L2, indicator lamp L3 and indicator lamp L4 the moon
Pole meets the first drive end LED1, the second drive end LED2, the 3rd drive end LED3 and of the charge controlling chip U1 respectively
Four drive end LED4, the indicator lamp L1, indicator lamp L2, indicator lamp L3 and indicator lamp L4 anode connect electricity by resistance respectively
Source.
The operation principle of the charging circuit of the portable power source is：
After button K1 is clicked, N-type metal-oxide-semiconductor Q5 grid voltage is set to high level, is formed between source electrode and drain electrode
Path, N-type metal-oxide-semiconductor Q5 drain electrode is connected with charge controlling chip U1 Enable Pin EN, and triggering charge controlling chip U1 starts work
Make.
Charge controlling chip U1 the first control end CTRL1 and the second control end CTRL2 exports high with certain frequency respectively
Low level voltage, controls two groups of metal-oxide-semiconductor conductings respectively, so as to increase charging electricity of the portable power source to external electric equipment
Pressure, and charge controlling chip U1 the 3rd control end CTRL3 output control signals triggering p-type metal-oxide-semiconductor Q3 conductings, so as to connect
Energy-storage battery 3 and the charging path of external electric equipment, further increase charging electricity of the portable power source to external electric equipment
Stream, so that portable power source can charge to multiple equipment simultaneously.
The embodiment of the present invention also provides a kind of portable power source of the charging circuit including above-mentioned portable power source.
In embodiments of the present invention, the charging circuit of this portable power source include energy-storage battery and respectively with energy-storage battery,
Power supply and the charging control unit of electrical equipment connection, the charging circuit of portable power source also include what is be connected with charging control unit
Switch control unit, charging control unit uses charge controlling chip U1, and charge controlling chip U1 two pins are respectively with one
Determine the voltage of rate-adaptive pacemaker low and high level, two groups of metal-oxide-semiconductor conductings are controlled respectively, outside electricity consumption is set so as to increase portable power source
Standby charging voltage, further increases the charging current to external electric equipment, so that portable power source can be simultaneously right
Multiple equipment charges.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of charging circuit of portable power source, it is characterised in that the charging circuit of the portable power source include energy-storage battery with
And the charging control unit being connected respectively with the energy-storage battery, power supply and electrical equipment, the charging circuit of the portable power source
Also include the switch control unit being connected with the charging control unit, for exciting the charging control unit to the electricity consumption
Equipment charge；
The charging control unit includes：
Charge controlling chip U1, p-type metal-oxide-semiconductor chip U2, p-type metal-oxide-semiconductor chip U3, p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, p-type MOS
Pipe Q3, p-type metal-oxide-semiconductor Q4；
The first control end CTRL1 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q1 and p-type metal-oxide-semiconductor Q2 grid simultaneously
Pole, the drain electrode of p-type metal-oxide-semiconductor Q1 and p-type the metal-oxide-semiconductor Q2 connects the energy-storage battery, the p-type metal-oxide-semiconductor Q1 and p-type MOS simultaneously
Pipe Q2 source electrode connects the p-type metal-oxide-semiconductor Q3 and p-type metal-oxide-semiconductor Q4 source electrode simultaneously, and the drain electrode of the p-type metal-oxide-semiconductor Q3 connects the use
Electric equipment, the drain electrode of the p-type metal-oxide-semiconductor Q4 connects the power supply, and the 3rd control end CTRL3 of the charge controlling chip U1 meets institute
P-type metal-oxide-semiconductor Q3 grid is stated, the 4th control end CTRL4 of the charge controlling chip U1 connects the grid of the p-type metal-oxide-semiconductor Q4,
The second control end CTRL2 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor chip U2's and p-type metal-oxide-semiconductor chip U3 simultaneously
Grid, the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode are grounded simultaneously, and the p-type metal-oxide-semiconductor chip U2
The energy-storage battery is connect by electric capacity simultaneously with p-type metal-oxide-semiconductor chip U3 source electrode；
The charge controlling chip U1 uses model JC8011Q chip；
Charge controlling chip U1 the first control end CTRL1 and the second control end CTRL2 export the voltage of low and high level respectively, point
Not Kong Zhi p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 conducting, so as to increase movement
Charging voltage of the power supply to external electric equipment.
2. the charging circuit of portable power source as claimed in claim 1, it is characterised in that the charging circuit of the portable power source is also
Including the battery protection unit in parallel with the energy-storage battery, for being overcharged to the energy-storage battery, cross put, it is excessively stream, short
Protect on road.
3. the charging circuit of portable power source as claimed in claim 1, it is characterised in that the switch control unit includes：
Switch K1, resistance R1, resistance R2, electric capacity C1 and N-type metal-oxide-semiconductor Q5；
The first end of the switch K1 connects the energy-storage battery by the resistance R1, and the second end of the switch K1 passes through parallel connection
The resistance R2 and electric capacity C1 ground connection, the grid of the N-type metal-oxide-semiconductor Q5 connects the commonly connected of the switch K1 and electric capacity C1
End, the source ground of the N-type metal-oxide-semiconductor Q5, the drain electrode of the N-type metal-oxide-semiconductor Q5 connects the Enable Pin of the charge controlling chip U1
EN。
4. the charging circuit of portable power source as claimed in claim 1, it is characterised in that the charging control unit also includes using
In indicator lamp L1, indicator lamp L2, indicator lamp L3 and the indicator lamp L4 of display portable power source electricity, the indicator lamp L1, indicator lamp
L2, indicator lamp L3 and indicator lamp L4 negative electrode connect the first drive end LED1 of the charge controlling chip U1, the second driving respectively
Hold LED2, the 3rd drive end LED3 and the 4th drive end LED4, the indicator lamp L1, indicator lamp L2, indicator lamp L3 and indicator lamp
L4 anode connects power supply by resistance respectively.
5. a kind of portable power source, it is characterised in that the portable power source includes the charging circuit of portable power source, the portable power source
Charging circuit include energy-storage battery and the charge control list that is connected respectively with the energy-storage battery, power supply and electrical equipment
Member, the charging circuit of the portable power source also includes the switch control unit being connected with the charging control unit, for exciting
The charging control unit charges to the electrical equipment；
The charging control unit includes：
Charge controlling chip U1, p-type metal-oxide-semiconductor chip U2, p-type metal-oxide-semiconductor chip U3, p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, p-type MOS
Pipe Q3, p-type metal-oxide-semiconductor Q4；
The first control end CTRL1 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor Q1 and p-type metal-oxide-semiconductor Q2 grid simultaneously
Pole, the drain electrode of p-type metal-oxide-semiconductor Q1 and p-type the metal-oxide-semiconductor Q2 connects the energy-storage battery, the p-type metal-oxide-semiconductor Q1 and p-type MOS simultaneously
Pipe Q2 source electrode connects the p-type metal-oxide-semiconductor Q3 and p-type metal-oxide-semiconductor Q4 source electrode simultaneously, and the drain electrode of the p-type metal-oxide-semiconductor Q3 connects the use
Electric equipment, the drain electrode of the p-type metal-oxide-semiconductor Q4 connects the power supply, and the 3rd control end CTRL3 of the charge controlling chip U1 meets institute
P-type metal-oxide-semiconductor Q3 grid is stated, the 4th control end CTRL4 of the charge controlling chip U1 connects the grid of the p-type metal-oxide-semiconductor Q4,
The second control end CTRL2 of the charge controlling chip U1 connects the p-type metal-oxide-semiconductor chip U2's and p-type metal-oxide-semiconductor chip U3 simultaneously
Grid, the p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 source electrode are grounded simultaneously, and the p-type metal-oxide-semiconductor chip U2
The energy-storage battery is connect by electric capacity simultaneously with p-type metal-oxide-semiconductor chip U3 source electrode；
The charge controlling chip U1 uses model JC8011Q chip；
Charge controlling chip U1 the first control end CTRL1 and the second control end CTRL2 export the voltage of low and high level respectively, point
Not Kong Zhi p-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2, p-type metal-oxide-semiconductor chip U2 and p-type metal-oxide-semiconductor chip U3 conducting, so as to increase movement
Charging voltage of the power supply to external electric equipment.
6. portable power source as claimed in claim 5, it is characterised in that the charging circuit of the portable power source also include with it is described
Energy-storage battery battery protection unit in parallel, for being overcharged to the energy-storage battery, mistake put, excessively stream, short-circuit protection.
7. portable power source as claimed in claim 5, it is characterised in that the switch control unit includes：
Switch K1, resistance R1, resistance R2, electric capacity C1 and N-type metal-oxide-semiconductor Q5；
The first end of the switch K1 connects the energy-storage battery by the resistance R1, and the second end of the switch K1 passes through parallel connection
The resistance R2 and electric capacity C1 ground connection, the grid of the N-type metal-oxide-semiconductor Q5 connects the commonly connected of the switch K1 and electric capacity C1
End, the source ground of the N-type metal-oxide-semiconductor Q5, the drain electrode of the N-type metal-oxide-semiconductor Q5 connects the Enable Pin of the charge controlling chip U1
EN。
8. portable power source as claimed in claim 5, it is characterised in that the charging control unit also includes being used to show movement
The indicator lamp L1 of electric quantity of power supply, indicator lamp L2, indicator lamp L3 and indicator lamp L4, the indicator lamp L1, indicator lamp L2, indicator lamp L3
The first drive end LED1 of the charge controlling chip U1, the second drive end LED2, the 3rd are met respectively with indicator lamp L4 negative electrode
Drive end LED3 and the 4th drive end LED4, the indicator lamp L1, indicator lamp L2, indicator lamp L3 and indicator lamp L4 anode difference
Power supply is connect by resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147452.7A CN104753138B (en) | 2015-03-31 | 2015-03-31 | A kind of portable power source and its charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147452.7A CN104753138B (en) | 2015-03-31 | 2015-03-31 | A kind of portable power source and its charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753138A CN104753138A (en) | 2015-07-01 |
| CN104753138B true CN104753138B (en) | 2017-10-03 |
Family
ID=53592407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510147452.7A Active CN104753138B (en) | 2015-03-31 | 2015-03-31 | A kind of portable power source and its charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104753138B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8638067B2 (en) * | 2011-09-08 | 2014-01-28 | Renesas Electronics America Inc. | Cold end switch battery management control method |
| CN102593923A (en) * | 2012-03-19 | 2012-07-18 | 深圳市龙威盛电子科技有限公司 | Mobile power supply |
| CN203243071U (en) * | 2013-03-21 | 2013-10-16 | 飞毛腿电子（深圳）有限公司 | Power supply charging and discharging circuit and mobile power supply |
| CN203942306U (en) * | 2014-05-13 | 2014-11-12 | 深圳市倍斯特电源有限公司 | A kind of portable power source with cash examining function |
-
2015
- 2015-03-31 CN CN201510147452.7A patent/CN104753138B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753138A (en) | 2015-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104901354A (en) | Battery system and power device provided with battery system | |
| CN206099459U (en) | A activation circuit for battery management system | |
| CN104124737B (en) | Multifunctional portable power source | |
| CN204290475U (en) | Power supply switch circuit and electronic equipment | |
| CN205565803U (en) | Rechargeable domestic appliance operating voltage switches module | |
| CN206076997U (en) | The battery protection active circuit of portable power source and portable power source | |
| CN106160124A (en) | The battery protection active circuit of portable power source and portable power source | |
| CN104753138B (en) | A kind of portable power source and its charging circuit | |
| CN206908342U (en) | USB TYPE C interface charging circuits | |
| CN206673631U (en) | A kind of battery charger | |
| CN204947617U (en) | A kind of charger without polarity | |
| CN101309014B (en) | Lithium battery charger controlled integrated circuit and polar switching switch control circuit | |
| CN204103480U (en) | A kind of charger reversal connection and short-circuit protection circuit | |
| CN203589772U (en) | Double-USB charging circuit and charger | |
| CN206820732U (en) | An a kind of key switch electromechanics road for low-power consumption | |
| CN206332492U (en) | The battery pack of wide-voltage range input | |
| CN206023280U (en) | Over-discharge protection circuit | |
| CN202888897U (en) | Charging circuit compatible with plurality of electronic equipment | |
| CN201118267Y (en) | Batteries charger | |
| CN207010295U (en) | Power circuit | |
| CN205122718U (en) | Rechargeable battery structure of dry battery formula | |
| CN203691363U (en) | Three-end switch-based low-power-consumption wake-up circuit | |
| CN214707197U (en) | Treasured that charges of removable electric core | |
| CN203522158U (en) | Battery protecting circuit with battery core balancing function and battery system | |
| CN106786918A (en) | A kind of electromobile battery charger and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Applicant after: SHENZHEN BESITER POWER BANK Co.,Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Applicant before: Shenzhen power Limited by Share Ltd. Address after: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Applicant after: Shenzhen power Limited by Share Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Applicant before: SHENZHEN BESITER POWER SUPPLY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixty-sixth Applicant after: SHENZHEN BESITER POWER BANK Co.,Ltd. Address before: 2 Road 518000 Guangdong city of Shenzhen province Baoan District Fuyong Fu Hao industry park and road interchange joinstars Industrial Park B District C Building 2 floor Applicant before: SHENZHEN BESITER POWER BANK Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |