CN109245227A - A kind of portable lithium battery power supply - Google Patents

A kind of portable lithium battery power supply Download PDF

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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
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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
Application number
CN201811253818.9A
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Chinese (zh)
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CN109245227B (en
Inventor
梁德新
向啟平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhong Bang Electronics Co Ltd Of Huizhou City
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Zhong Bang Electronics Co Ltd Of Huizhou City
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Priority to CN201811253818.9A priority Critical patent/CN109245227B/en
Publication of CN109245227A publication Critical patent/CN109245227A/en
Application granted granted Critical
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0022Management of charging with batteries permanently connected to charge circuit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0026Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially using safety or protection circuits, e.g. overcharge/discharge disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

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

A kind of portable lithium battery power supply
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.
CN201811253818.9A 2018-10-26 2018-10-26 Portable lithium battery power supply Active CN109245227B (en)

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
CN109245227A true CN109245227A (en) 2019-01-18
CN109245227B CN109245227B (en) 2022-05-10

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CN (1) CN109245227B (en)

Citations (12)

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Publication number Priority date Publication date Assignee Title
JP2004207137A (en) * 2002-12-26 2004-07-22 Matsushita Electric Ind Co Ltd Portable electronic equipment and battery pack charging adapter fixed on it
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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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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

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN204835591U (en) * 2015-07-16 2015-12-02 王宇清 Portable container in electrified source
CN105071457A (en) * 2015-07-28 2015-11-18 江苏天泓太阳能有限公司 Portable solar charging Po
CN205081537U (en) * 2015-09-24 2016-03-09 杭州欧淘科技有限公司 Portable power supply adapter
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
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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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