CN109245227A - A kind of portable lithium battery power supply - Google Patents
A kind of portable lithium battery power supply Download PDFInfo
- Publication number
- CN109245227A CN109245227A CN201811253818.9A CN201811253818A CN109245227A CN 109245227 A CN109245227 A CN 109245227A CN 201811253818 A CN201811253818 A CN 201811253818A CN 109245227 A CN109245227 A CN 109245227A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- charging
- power supply
- management
- discharging
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 74
- 238000007599 discharging Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Classifications
-
- H02J7/0022—
-
- H02J7/0026—
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of portable lithium battery power supply, and including the lithium battery and power supply adaptor being detachably connected, power-switching circuit is equipped in the power supply adaptor main body.
Description
Technical field
The present invention relates to field of power supplies, more particularly to a kind of portable lithium battery power supply.
Background technique
As science and technology continues to develop, people either at work or in life, also get over by the intelligent terminal touched
Come more.Due to the generally existing power consumption of existing intelligent terminal greatly with feed slow disadvantage, also have more and more
Consumer needs mobile power supply unit.The present invention, which provides a kind of portable lithium battery power supply, can be used as dynamic power supply unit.
Summary of the invention
The purpose of the present invention is to provide a kind of portable lithium battery power supplys, the technical scheme adopted by the invention is that: one
The portable lithium battery power supply of kind is set in the power supply adaptor main body including the lithium battery and power supply adaptor being detachably connected
There is power-switching circuit.
Preferably, power supply adaptor is L-type structure, and top end face is provided with the input terminal and the output terminal, on lithium battery
Equipped with sliding slot, is engaged with the sliding rail being arranged in power supply adaptor main body and realize detachably connected, be provided on lithium battery
Electric connector, power supply adaptor corresponding position are provided with the electric connector of adaptation, and two electric connectors are complete with sliding rail in sliding slot
It is electrically connected when engagement.
Any prior art can be used in the intracorporal power-switching circuit of power supply adaptor master, including but not limited to for inputting
The input interface of alternating current, for by alternating current convert forming apparatus needed for supply voltage switching power circuit and be used for output equipment
The output interface of required supply voltage.Power-switching circuit distinguishes the input terminal and the output terminal electrical connection, and passes through electrical connection
Device is connected with lithium battery.
Power supply to the device after portable lithium battery power supply provided by the invention converts alternating current in the case where there is alternating current, together
When can charge to lithium battery, in the case where no alternating current, by lithium battery power supply to the device, not will cause device looses power, facilitate
The use of user.
Lithium battery includes that multiple lithium battery electric cores are mutually contacted, and lithium battery electric core is electrically connected charging circuit and lithium battery fills
Electric discharge management system, the charging circuit includes: voltage input module and control module.Voltage input module connects power adaptation
Device, control module include the charging management chip U3 of 8 pins, and voltage is changed into DC voltage, direct current by power supply adaptor
The voltage input end of voltage supply charging management chip U3.The positive and negative of lithium battery electric core is electrically connected in charging management chip U3
Pole both ends charge to the battery pack by voltage input module.
Charging and discharging lithium battery management system includes two 16 pins third management of charging and discharging chip U1 and U2, rechargeable alkaline cells
When, management of charging and discharging chip U1 and U2 carried out the battery pack by detecting the charging voltage of the multiple battery core
Fill protection.
Lithium battery further includes MOS switch pipe Q1 and Q2, and the pole D of MOS switch pipe Q1 is connected the pole D of the MOS switch pipe Q2,
The pole S of MOS switch pipe Q1 is electrically connected the cathode of lithium battery electric core, and the pole S of MOS switch pipe Q2 is electrically connected the lithium battery
The anode of battery core, management of charging and discharging chip U1 and U2 the co- controlling MOS switch pipe of MOS switch pipe Q1 being opened or closing
It closes, determines whether lithium battery continues to discharge, when MOS switch pipe is opened, lithium battery continues to discharge.
Preferably, the quantity of concatenated lithium battery electric core is six.Management of charging and discharging chip U1 and U2 are electrically connected three
A lithium battery electric core, may be implemented the detection to single battery, and realization is managed the charge and discharge of lithium battery electric core.
Detailed description of the invention
The invention will be further described for attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.
Fig. 1 is the front view for the portable lithium battery power supply that one embodiment of the invention provides.
Fig. 2 is the right view for the portable lithium battery power supply that one embodiment of the invention provides.
Fig. 3 is the circuit diagram for the lithium battery that one embodiment of the invention provides.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
According to Fig. 1 and Fig. 2, a kind of portable lithium battery power supply is suitable including the lithium battery 2 being detachably connected and power supply
Orchestration 1.The joint face two sides of lithium battery 2 and power supply adaptor 1 are provided with holding section, the connection of power supply adaptor 1 and lithium battery 2
Face two sides are provided with snap fit portion.Power supply adaptor 1 is L-type structure, and top end face is provided with input terminal 10 and output end
Son 11.
According to Fig. 3, lithium battery include six concatenated lithium battery electric cores and charging circuit A for charging to lithium battery with
And charging and discharging lithium battery management system B, charging circuit A include: voltage input module and control module, voltage input module connection
Power supply adaptor 1, control module include the charging management chip U3 of 8 pins.Line voltage is changed into direct current by power supply adaptor 1
Voltage, voltage input end of the DC voltage for charging management chip U3;Charging management chip U3 carry out during the charging process constant current,
The switching of constant pressure, trickle charge mode is charged under the control of charging management chip U3 to lithium battery.Charging and discharging lithium battery management
System B includes two 16 pin thirds management of charging and discharging chip U1 and U2, and management of charging and discharging chip U1 and U2 are electrically connected
Three lithium battery electric cores.
Specifically, supplying electricity to charging management chip after the DC power supply that lithium battery is obtained by DC power source adapter
U3 and status monitoring circuit.1,3,7,8 feet of charging management chip U3 are connected with lithium battery electric core cathode, charging management chip U3
5,6 feet connected with lithium battery electric core anode.
Lithium battery 2 further includes MOS switch pipe Q1 and Q2, and connect the MOS switch pipe Q2 for the pole D of the MOS switch pipe Q1
The pole D, the pole S of the MOS switch pipe Q1 is electrically connected the cathode of the lithium battery electric core, and the S of the MOS switch pipe Q2 is extremely electric
Property connects the anode of the lithium battery electric core.Management of charging and discharging chip U1 and U2 are connect with lithium battery electric core, by lithium battery electric core
Current value and voltage value when charge and discharge carry out operation, the lithium battery electric core current value that management of charging and discharging chip U1 and U2 will test
Compare with voltage value and inner setting value, by inside management of charging and discharging chip U1 and U2 relatively after issue instruction control MOS open
Guan Guan, when MOS switch pipe is opened, lithium battery continues to discharge, and when MOS switch pipe is closed, lithium battery stops electric discharge.It is described to fill
Electric discharge managing chip U1 and U2 inner setting value according to lithium battery material, size difference and have differences.Management of charging and discharging core
Piece U1 and U2 realize the overvoltage protection to single battery, overcharge protection, Cross prevention, overcurrent protection, overheat protector.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, it is all to change with equivalent structure made by specification and accompanying drawing content of the invention, similarly
It should be included within the scope of the present invention.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (4)
1. a kind of portable lithium battery power supply, it is characterised in that:
Including the lithium battery (2) and power supply adaptor (1) being detachably connected, the power supply adaptor (1) is provided with input terminal
(10) it is electrically connected with output terminal (11), the lithium battery (2), power supply adaptor (1) by electric connector, the lithium battery
It (2) include several concatenated lithium battery electric cores and charging circuit (A) and charging and discharging lithium battery pipe for charging to lithium battery
Reason system (B);
The charging and discharging lithium battery management system (B) includes two 16 pin third management of charging and discharging chips U1 and U2;
The charging circuit (A) includes the charging management chip U3 of 8 pins, for the constant current in the charging process of lithium battery, perseverance
Pressure, trickle charge pattern switching;
The input terminal (10) is electrically connected the charging circuit (A) by the electric connector, passes through power supply adaptor (1)
Voltage is changed into DC voltage, described DC voltage supply management of charging and discharging chip U1, the U2's and charging management chip U3
Voltage input end.
2. a kind of portable lithium battery power supply according to claim 1, it is characterised in that: the concatenated lithium battery electric core
Quantity be six.
3. a kind of portable lithium battery power supply according to claim 2, it is characterised in that: the management of charging and discharging chip U1
Three lithium battery electric cores are electrically connected with U2.
4. multifunctional lithium battery management of charging and discharging system according to claim 2, it is characterised in that: the lithium battery (2)
It further include MOS switch pipe Q1 and Q2, the pole D of the MOS switch pipe Q1 is connected the pole D of the MOS switch pipe Q2, and the MOS is opened
The pole S for closing pipe Q1 is electrically connected the cathode of the lithium battery electric core, and the pole S of the MOS switch pipe Q2 is electrically connected the lithium electricity
The anode of pond battery core, management of charging and discharging chip U1 and U2 the co- controlling MOS switch pipe are opened or closed, and determine lithium battery
Whether continue to discharge, when MOS switch pipe is opened, lithium battery continues to discharge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811253818.9A CN109245227B (en) | 2018-10-26 | 2018-10-26 | Portable lithium battery power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811253818.9A CN109245227B (en) | 2018-10-26 | 2018-10-26 | Portable lithium battery power supply |
Publications (2)
Publication Number | Publication Date |
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CN109245227A true CN109245227A (en) | 2019-01-18 |
CN109245227B CN109245227B (en) | 2022-05-10 |
Family
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Family Applications (1)
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CN201811253818.9A Active CN109245227B (en) | 2018-10-26 | 2018-10-26 | Portable lithium battery power supply |
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Citations (12)
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---|---|---|---|---|
JP2004207137A (en) * | 2002-12-26 | 2004-07-22 | Matsushita Electric Ind Co Ltd | Portable electronic equipment and battery pack charging adapter fixed on it |
CN101188320A (en) * | 2006-11-20 | 2008-05-28 | Nec东金株式会社 | Charging device for portable electric device battery and portable phone battery |
CN201341028Y (en) * | 2008-10-14 | 2009-11-04 | 飞毛腿(福建)电子有限公司 | Mobile power supply |
CN201409013Y (en) * | 2009-04-27 | 2010-02-17 | 深圳市睿德电子实业有限公司 | Power supply adaptor |
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CN105322620A (en) * | 2015-11-25 | 2016-02-10 | 惠州亿纬锂能股份有限公司 | Charge and discharge device of lithium battery pack |
CN205081537U (en) * | 2015-09-24 | 2016-03-09 | 杭州欧淘科技有限公司 | Portable power supply adapter |
US20160276856A1 (en) * | 2015-03-19 | 2016-09-22 | Halo2Cloud Llc | Portable power adapter with detachable battery unit |
CN206962519U (en) * | 2017-07-21 | 2018-02-02 | 汤逸伦 | A kind of monolithic processor controlled portable type solar energy power supply |
CN207426747U (en) * | 2017-10-27 | 2018-05-29 | 成都云鼎智控科技有限公司 | A kind of multifunctional lithium battery management of charging and discharging system |
CN108429313A (en) * | 2018-03-28 | 2018-08-21 | 惠州市忠邦电子有限公司 | One kind is filled with being electrically integrated charger and its circuit |
-
2018
- 2018-10-26 CN CN201811253818.9A patent/CN109245227B/en active Active
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JP2004207137A (en) * | 2002-12-26 | 2004-07-22 | Matsushita Electric Ind Co Ltd | Portable electronic equipment and battery pack charging adapter fixed on it |
CN101188320A (en) * | 2006-11-20 | 2008-05-28 | Nec东金株式会社 | Charging device for portable electric device battery and portable phone battery |
CN201341028Y (en) * | 2008-10-14 | 2009-11-04 | 飞毛腿(福建)电子有限公司 | Mobile power supply |
CN201409013Y (en) * | 2009-04-27 | 2010-02-17 | 深圳市睿德电子实业有限公司 | Power supply adaptor |
US20160276856A1 (en) * | 2015-03-19 | 2016-09-22 | Halo2Cloud Llc | Portable power adapter with detachable battery unit |
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CN105071457A (en) * | 2015-07-28 | 2015-11-18 | 江苏天泓太阳能有限公司 | Portable solar charging Po |
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CN207426747U (en) * | 2017-10-27 | 2018-05-29 | 成都云鼎智控科技有限公司 | A kind of multifunctional lithium battery management of charging and discharging system |
CN108429313A (en) * | 2018-03-28 | 2018-08-21 | 惠州市忠邦电子有限公司 | One kind is filled with being electrically integrated charger and its circuit |
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