CN105429222A - Charge and discharge device employing single port - Google Patents

Charge and discharge device employing single port Download PDF

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Publication number
CN105429222A
CN105429222A CN201510930741.4A CN201510930741A CN105429222A CN 105429222 A CN105429222 A CN 105429222A CN 201510930741 A CN201510930741 A CN 201510930741A CN 105429222 A CN105429222 A CN 105429222A
Authority
CN
China
Prior art keywords
port
voltage
discharge
module
charge
Prior art date
Application number
CN201510930741.4A
Other languages
Chinese (zh)
Inventor
刘晓云
Original Assignee
成都默一科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 成都默一科技有限公司 filed Critical 成都默一科技有限公司
Priority to CN201510930741.4A priority Critical patent/CN105429222A/en
Publication of CN105429222A publication Critical patent/CN105429222A/en

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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
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • 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
    • H02J7/0069Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • 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
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H02J2007/0067Discharge management, i.e. discharge current reduction at low state of charge, sequential battery discharge in systems with a plurality of battery
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a charge and discharge device employing a single port. The charge and discharge device comprises an internal battery, a charge pump, a judgment module and an I/O port, wherein the charge pump is arranged between the internal battery and the I/O port; a reference voltage terminal of the judgment module is connected with a voltage terminal of the internal battery; an external voltage terminal of the judgment module is connected with the voltage terminal of the I/O port; and a control signal port of the judgment module is connected with the control signal port of the charge pump. According to the charge and discharge device employing the single port, through the addition of one extra judgment module under the condition of not increasing the I/O port, the voltage of the charge and discharge device charges the outside through the charge pump when the condition that an external voltage is lower than the voltage is detected; and the voltage of the charge and discharge device is charged by the outside when the condition that the external voltage is higher than the voltage is detected; and charging and discharging are integrated, so that effective utilization and reasonable distribution of resources and user experience are facilitated.

Description

A kind of charging and electric discharge device adopting single port
Technical field
The present invention relates to a kind of charge and discharge device, particularly relate to a kind of charging and the electric discharge device that adopt single port.
Background technology
Along with the flourishing discovery of hyundai electronics information industry, electronic product is to development in pluralism.The device of single external electric discharge or the device of externally charging have lacked the flexibility of design and effective utilization of resource in system, in the design of Modern New electronic system, just embody significant limitation.
The device of single external electric discharge or the device of externally charging, because it needs independent design and I/O interface, the waste of I/O resource and the waste of design cost can be caused to system, be unfavorable for effective application and the reasonable distribution of resource, be unfavorable for Consumer's Experience.
Summary of the invention
Object of the present invention is just to provide a kind of charging and the electric discharge device that adopt single port to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of charging and electric discharge device adopting single port, comprise internal cell, charge pump, judge module and I/O port, described charge pump is arranged between described internal cell and described I/O port, the reference voltage end of described judge module is connected with the voltage end of described internal cell, the external voltage end of described judge module is connected with the voltage end of described I/O port, and the control signal end of described judge module is connected with the control signal end of described charge pump.
Particularly, described judge module comprises discharge module, charging module and level comparator, the negative level input of described level comparator inputs the internal reference level of described internal cell, the positive level input of described level comparator inputs the external signal of described I/O port, the level signal output of described level comparator is connected with the level signal input of described discharge module and described charging module, the voltage input end of described discharge module is connected with described internal cell with the voltage output end of described charging module, the voltage output end of described discharge module is connected with described I/O port with the voltage input end of described charging module.
Beneficial effect of the present invention is:
A kind of charging of single port and electric discharge device of adopting of the present invention is when not increasing I/O port, by increasing an extra judge module, when external voltage being detected lower than its voltage, its voltage is externally charged by charge pump, when external voltage being detected higher than its voltage, charged by outer bound pair self, discharge and recharge is integrated, is beneficial to effective application of resource, reasonable distribution and Consumer's Experience.
Accompanying drawing explanation
Fig. 1 of the present inventionly a kind ofly adopts the charging of single port and the structured flowchart of electric discharge device;
Fig. 2 is the structural representation of judge module of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of charging and electric discharge device adopting single port of the present invention, comprise internal cell, charge pump, judge module and I/O port, charge pump is arranged between internal cell and I/O port, the reference voltage end of judge module is connected with the voltage end of internal cell, the external voltage end of judge module is connected with the voltage end of I/O port, and the control signal end of judge module is connected with the control signal end of charge pump.
As shown in Figure 2, judge module comprises discharge module, charging module and level comparator, the internal reference level of the negative level input input internal cell of level comparator, the external signal of the positive level input input I/O port of level comparator, the level signal output of level comparator is connected with the level signal input of discharge module and charging module, the voltage input end of discharge module is connected with internal cell with the voltage output end of charging module, and the voltage output end of discharge module is connected with I/O port with the voltage input end of charging module.
A kind of operation principle of the charging of single port and electric discharge device that adopts of the present invention is as follows:
Its voltage is as the reference voltage of level comparator, and external voltage compares with it: when external voltage is higher than internal reference voltage, and level comparator exports high level, and now charge inside module unlatching work, charges to internal cell; When external voltage is lower than internal reference voltage, level comparator output low level, discharge module unlatching work, boosts to 5V by its voltage, is charged to external world by internal cell.
Charging module in Fig. 2 is all connected with charge pump with discharge module, is omitted in figure, and charging module and discharge module all carry out discharge and recharge operation by charge pump, its detail is not drawn in figure.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.

Claims (2)

1. one kind adopts charging and the electric discharge device of single port, it is characterized in that: comprise internal cell, charge pump, judge module and I/O port, described charge pump is arranged between described internal cell and described I/O port, the reference voltage end of described judge module is connected with the voltage end of described internal cell, the external voltage end of described judge module is connected with the voltage end of described I/O port, and the control signal end of described judge module is connected with the control signal end of described charge pump.
2. a kind of charging and electric discharge device adopting single port according to claim 1, it is characterized in that: described judge module comprises discharge module, charging module and level comparator, the negative level input of described level comparator inputs the internal reference level of described internal cell, the positive level input of described level comparator inputs the external signal of described I/O port, the level signal output of described level comparator is connected with the level signal input of described discharge module and described charging module, the voltage input end of described discharge module is connected with described internal cell with the voltage output end of described charging module, the voltage output end of described discharge module is connected with described I/O port with the voltage input end of described charging module.
CN201510930741.4A 2015-12-15 2015-12-15 Charge and discharge device employing single port CN105429222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510930741.4A CN105429222A (en) 2015-12-15 2015-12-15 Charge and discharge device employing single port

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510930741.4A CN105429222A (en) 2015-12-15 2015-12-15 Charge and discharge device employing single port

Publications (1)

Publication Number Publication Date
CN105429222A true CN105429222A (en) 2016-03-23

Family

ID=55507235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510930741.4A CN105429222A (en) 2015-12-15 2015-12-15 Charge and discharge device employing single port

Country Status (1)

Country Link
CN (1) CN105429222A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285657A (en) * 1999-08-20 2001-02-28 Em微电子马林有限公司 Bidirectional switch control system adoption of two transistors
US20020008499A1 (en) * 2000-06-13 2002-01-24 Henry George C. Charge pump regulator with load current control
US20050094421A1 (en) * 2003-10-31 2005-05-05 Infineon Technologies Ag Integrated charge pump voltage converter
CN101136248A (en) * 2006-10-12 2008-03-05 中兴通讯股份有限公司 Charge pump output high-pressure control device
CN101394094A (en) * 2007-09-20 2009-03-25 李仕清 Full automatic high efficient voltage step-up step-down circuit
CN101483335A (en) * 2009-02-03 2009-07-15 赛芯微电子(苏州)有限公司 Highly integrated battery protection circuit
CN102005734A (en) * 2010-10-20 2011-04-06 无锡中星微电子有限公司 Battery protection integrated circuit and system
JP2011176940A (en) * 2010-02-24 2011-09-08 Seiko Epson Corp Protection circuit and electronic apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285657A (en) * 1999-08-20 2001-02-28 Em微电子马林有限公司 Bidirectional switch control system adoption of two transistors
US20020008499A1 (en) * 2000-06-13 2002-01-24 Henry George C. Charge pump regulator with load current control
US20050094421A1 (en) * 2003-10-31 2005-05-05 Infineon Technologies Ag Integrated charge pump voltage converter
CN101136248A (en) * 2006-10-12 2008-03-05 中兴通讯股份有限公司 Charge pump output high-pressure control device
CN101394094A (en) * 2007-09-20 2009-03-25 李仕清 Full automatic high efficient voltage step-up step-down circuit
CN101483335A (en) * 2009-02-03 2009-07-15 赛芯微电子(苏州)有限公司 Highly integrated battery protection circuit
JP2011176940A (en) * 2010-02-24 2011-09-08 Seiko Epson Corp Protection circuit and electronic apparatus
CN102005734A (en) * 2010-10-20 2011-04-06 无锡中星微电子有限公司 Battery protection integrated circuit and system

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RJ01 Rejection of invention patent application after publication

Application publication date: 20160323

RJ01 Rejection of invention patent application after publication