CN104682518A - Device and method for charging over-discharged smart lithium batteries - Google Patents

Device and method for charging over-discharged smart lithium batteries Download PDF

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Publication number
CN104682518A
CN104682518A CN201510103710.1A CN201510103710A CN104682518A CN 104682518 A CN104682518 A CN 104682518A CN 201510103710 A CN201510103710 A CN 201510103710A CN 104682518 A CN104682518 A CN 104682518A
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CN
China
Prior art keywords
lithium battery
charge
charging
battery
circuit
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.)
Pending
Application number
CN201510103710.1A
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Chinese (zh)
Inventor
赵传迅
陈乃阔
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.)
Shandong Chaoyue Numerical Control Electronics Co Ltd
Original Assignee
Shandong Chaoyue Numerical Control Electronics Co Ltd
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 Shandong Chaoyue Numerical Control Electronics Co Ltd filed Critical Shandong Chaoyue Numerical Control Electronics Co Ltd
Priority to CN201510103710.1A priority Critical patent/CN104682518A/en
Publication of CN104682518A publication Critical patent/CN104682518A/en
Pending legal-status Critical Current

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    • 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 device and method for charging over-discharged smart lithium batteries. The device comprises a single chip microcomputer, an activation circuit, a current detection circuit and a normal charging module, wherein the single chip microcomputer is used for controlling the whole charging circuit; the activation circuit is mainly used for providing current under 500mA for charging the lithium batteries; the current detection circuit is used for detecting the charging circuit of the activation circuit; the normal charging module is used for normal charging after the lithium battery is connected with a charging chip. The charging circuit is controlled through the single chip microcomputer, the activation circuit is utilized to charge the lithium batteries with the small current, and the charging circuit of the activation circuit is detected through the current detection circuit, so that the activation problem of over-discharge of the lithium batteries is solved, and the quick charge of the lithium batteries is realized.

Description

A kind of apparatus and method that overdischarge Intelligent lithium battery is charged
Technical field
The present invention relates to lithium cell charging technical field, be specifically related to a kind of apparatus and method that overdischarge Intelligent lithium battery is charged, can lithium battery be put carry out activating charge to crossing fast, be applicable to battery simultaneously and place for a long time and there is the problem of putting, carry out battery maintenance and to charge use.
Background technology
Lithium battery, as one of important building block of portable computer, being mainly used to when not having alternating current, can continuing as computer equipment and providing electric energy.
Sometimes there is an important problem in lithium battery; namely lithium battery is not owing to use for a long time and from reasons such as losses; putting appearred in lithium battery; the output end voltage of lithium battery is caused to be 0V; battery is put into notebook charge, but due to battery output 0V, lithium battery protection board is in resting state; lithium battery and notebook charging circuit cannot set up communication, cannot charge to lithium battery.
Especially, on some military computers, computer does not often use for a long time, and to machine maintenance not in time, causes this problem outstanding especially.Lithium battery is crossed and puts charging problems, common way the both positive and negative polarity of lithium battery is received respectively positive pole and the negative pole of D.C. regulated power supply, first carry out low current charge, after lithium battery activation (battery has output voltage), then battery is inserted in notebook charge normally.
Do the equipment D.C. regulated power supply that needs one are important like this, common customer seldom has this equipment, and the method operates more loaded down with trivial details.Therefore be necessary to design a kind of method of charging to overdischarge lithium battery.
Summary of the invention
The technical problem to be solved in the present invention is: the object of the invention is solve lithium battery cross put activate and realize lithium battery quick charge.
The technical solution adopted in the present invention is:
To the device that overdischarge Intelligent lithium battery charges, described apparatus structure comprises single-chip microcomputer, active circuit, current detection circuit, charges normal module four part, and wherein single-chip microcomputer is for controlling whole charging circuit; Active circuit mainly provides below a 500mA small area analysis to charge to lithium battery; Current detection circuit is for detecting the charging current of active circuit; Charge normal after module connects for lithium battery and charging chip, charge normally.
To the method that overdischarge Intelligent lithium battery charges, described method, first by microprocessor detect lithium battery, if lithium battery detected, and occurring putting, charging to lithium battery by charging normal module;
If can't detect lithium battery or lithium battery to cross and put and cannot lithium battery be detected:
Put if lithium battery is crossed, due to lithium battery with charge normal model calling and charge normal, Single-chip Controlling active circuit, active circuit adds direct voltage at the both positive and negative polarity of lithium battery, carries out small area analysis activating charge to lithium battery, charges after 5 minutes, stop charging to battery, can detect lithium battery and charge normal module and set up communication and be connected, if cannot set up and contact with charging normal module, active circuit continuation be charged to battery; As can with charge normal model calling, charge normal module and lithium battery charged;
If lithium battery does not exist, single-chip microcomputer cannot detect charging current, single-chip microcomputer charge closing circuit.
The workflow of described method is:
1) whether microprocessor detect battery exists;
2) lithium battery did not have to put, then select normal charge mode;
3) put if battery is crossed, Single-chip Controlling active circuit, low current charge is carried out to battery;
4) detect Intelligent lithium battery whether to activate, do not have activation to proceed low current charge; If lithium battery is activated, switches to and charge normal module battery is charged.
Beneficial effect of the present invention is: the present invention is by Single-chip Controlling charging circuit, active circuit is utilized to carry out low current charge to lithium battery, and the charging current of active circuit is detected by current detection circuit, solution lithium battery is crossed and is put activation problem, realizes lithium battery quick charge.
Accompanying drawing explanation
Fig. 1 is that the present invention's one carries out charging principle frame to Intelligent lithium battery overdischarge.
Embodiment
With reference to the accompanying drawings, by embodiment, the present invention is further described:
Embodiment 1:
As shown in Figure 1, a kind of device that overdischarge Intelligent lithium battery is charged, described apparatus structure comprises single-chip microcomputer, active circuit, current detection circuit, charges normal module four part, and wherein single-chip microcomputer is for controlling whole charging circuit; Active circuit mainly provides a small area analysis (below 500mA) to charge to lithium battery; Current detection circuit is for detecting the charging current of active circuit; Charge normal after module connects for lithium battery and charging chip, charge normally.
Embodiment 2:
On the basis of embodiment 1, a kind of method that overdischarge Intelligent lithium battery is charged, described method, first by microprocessor detect lithium battery, if lithium battery detected, and occurring putting, charging to lithium battery by charging normal module;
If can't detect lithium battery or lithium battery to cross and put and cannot lithium battery be detected:
Put if lithium battery is crossed, due to lithium battery with charge normal model calling and charge normal, Single-chip Controlling active circuit, active circuit adds direct voltage at the both positive and negative polarity of lithium battery, carries out small area analysis activating charge to lithium battery, charges after 5 minutes, stop charging to battery, can detect lithium battery and charge normal module and set up communication and be connected, if cannot set up and contact with charging normal module, active circuit continuation be charged to battery; As can with charge normal model calling, charge normal module and lithium battery charged;
If lithium battery does not exist, single-chip microcomputer cannot detect charging current, single-chip microcomputer charge closing circuit.
Embodiment 3:
On the basis of embodiment 2, described in the present embodiment, the workflow of method is:
1) whether microprocessor detect battery exists;
2) lithium battery did not have to put, then select normal charge mode;
3) put if battery is crossed, Single-chip Controlling active circuit, low current charge is carried out to battery;
4) detect Intelligent lithium battery whether to activate, do not have activation to proceed low current charge; If lithium battery is activated, switches to and charge normal module battery is charged.
Above execution mode is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims (3)

1. to the device that overdischarge Intelligent lithium battery charges, it is characterized in that: described apparatus structure comprises single-chip microcomputer, active circuit, current detection circuit, charges normal module four part, and wherein single-chip microcomputer is for controlling whole charging circuit; Active circuit mainly provides below a 500mA electric current to charge to lithium battery; Current detection circuit is for detecting the charging current of active circuit; Charge normal after module connects for lithium battery and charging chip, charge normally.
2. a kind of method that overdischarge Intelligent lithium battery is charged according to claim 1, it is characterized in that: described method is first by microprocessor detect lithium battery, if lithium battery detected, and do not occur putting, lithium battery was charged by charging normal module;
If can't detect lithium battery or lithium battery to cross and put and cannot lithium battery be detected: one is that lithium battery is crossed and put, due to lithium battery with charge normal model calling and charge normal, Single-chip Controlling active circuit, active circuit adds direct voltage at the both positive and negative polarity of lithium battery, small area analysis activating charge is carried out to lithium battery, charge after 5 minutes, stop charging to battery, detect lithium battery and charge normal module and can set up communication and be connected, if cannot set up and contact with charging normal module, active circuit continues to charge to battery; As can with charge normal model calling, charge normal module and lithium battery charged;
If lithium battery does not exist, single-chip microcomputer cannot detect charging current, single-chip microcomputer charge closing circuit.
3. a kind of method of charging to overdischarge Intelligent lithium battery according to claim 2, is characterized in that, the workflow of described method is:
1) whether microprocessor detect battery exists;
2) lithium battery did not have to put, then select normal charge mode;
3) put if battery is crossed, Single-chip Controlling active circuit, low current charge is carried out to battery;
4) detect Intelligent lithium battery whether to activate, do not have activation to proceed low current charge; If lithium battery is activated, switches to and charge normal module battery is charged.
CN201510103710.1A 2015-03-10 2015-03-10 Device and method for charging over-discharged smart lithium batteries Pending CN104682518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510103710.1A CN104682518A (en) 2015-03-10 2015-03-10 Device and method for charging over-discharged smart lithium batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510103710.1A CN104682518A (en) 2015-03-10 2015-03-10 Device and method for charging over-discharged smart lithium batteries

Publications (1)

Publication Number Publication Date
CN104682518A true CN104682518A (en) 2015-06-03

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CN201510103710.1A Pending CN104682518A (en) 2015-03-10 2015-03-10 Device and method for charging over-discharged smart lithium batteries

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CN (1) CN104682518A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508337A (en) * 2017-08-08 2017-12-22 苏州融硅新能源科技有限公司 Off-network solar energy activation method for lithium battery, active circuit, controller for solar
CN109980735A (en) * 2019-04-04 2019-07-05 山东七枭雄新能源技术有限公司 A kind of lithium battery charger trigger circuit
CN111817376A (en) * 2020-07-07 2020-10-23 上海钧正网络科技有限公司 Automatic discharging circuit, method and device for lithium battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2877107Y (en) * 2006-01-11 2007-03-07 惠州市蓝微电子有限公司 Lithium battery charging managing circuit
CN202550600U (en) * 2012-03-13 2012-11-21 惠州Tcl移动通信有限公司 Charging activation apparatus of mobile terminal battery
US20130057213A1 (en) * 2011-09-05 2013-03-07 Kabushiki Kaisha Toyota Jidoshokki Battery monitoring and charging system and motor-driven vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2877107Y (en) * 2006-01-11 2007-03-07 惠州市蓝微电子有限公司 Lithium battery charging managing circuit
US20130057213A1 (en) * 2011-09-05 2013-03-07 Kabushiki Kaisha Toyota Jidoshokki Battery monitoring and charging system and motor-driven vehicle
CN202550600U (en) * 2012-03-13 2012-11-21 惠州Tcl移动通信有限公司 Charging activation apparatus of mobile terminal battery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107508337A (en) * 2017-08-08 2017-12-22 苏州融硅新能源科技有限公司 Off-network solar energy activation method for lithium battery, active circuit, controller for solar
CN107508337B (en) * 2017-08-08 2020-07-24 苏州融硅新能源科技有限公司 Off-grid solar lithium battery activation method, activation circuit and solar controller
CN109980735A (en) * 2019-04-04 2019-07-05 山东七枭雄新能源技术有限公司 A kind of lithium battery charger trigger circuit
CN111817376A (en) * 2020-07-07 2020-10-23 上海钧正网络科技有限公司 Automatic discharging circuit, method and device for lithium battery

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Application publication date: 20150603