CN101609995B - Charger - Google Patents

Charger Download PDF

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Publication number
CN101609995B
CN101609995B CN2008101151713A CN200810115171A CN101609995B CN 101609995 B CN101609995 B CN 101609995B CN 2008101151713 A CN2008101151713 A CN 2008101151713A CN 200810115171 A CN200810115171 A CN 200810115171A CN 101609995 B CN101609995 B CN 101609995B
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China
Prior art keywords
intelligent battery
battery
charger
described intelligent
interface
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CN2008101151713A
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CN101609995A (en
Inventor
龙云
胡兆伟
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Lenovo Beijing Ltd
Lenovo Shanghai Electronics Technology Co Ltd
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Lenovo Beijing Ltd
Lenovo Shanghai Electronics Technology Co Ltd
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Priority to CN2008101151713A priority Critical patent/CN101609995B/en
Publication of CN101609995A publication Critical patent/CN101609995A/en
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a charger. In order to solve the problem that the prior charger cannot carry out self-learning calibration on an intelligent battery, the charger is provided, wherein the charger comprises an adapter interface, a battery interface, a management module which comprises a control unit used for reading first information of the intelligent battery and sending a control signal according to the first information, a charging circuit for charging the intelligent battery when the control signal is a charge signal, a discharging circuit for discharging the intelligent battery when the control signal is a discharge signal and a hardware key for controlling the intelligent battery to enter a self-learning state, wherein the discharge circuit is constant load used for providing constant current or voltage for the intelligent battery. After the charger is adopted, a user can solve the self-learning process of the intelligent battery when using the charger and does not need to connect the intelligent battery to a notebook for self-learning.

Description

A kind of charger
Technical field
The present invention relates to field of batteries, especially relate to a kind of charger of intelligent battery.
Technical background
Intelligent battery is a kind of modern portable electronic devices, is the battery commonly used in the intelligent handheld devices such as mobile phone, notebook computer or PDA.Because the user uses the scene thousand difference sides of battery other, and the capacity that battery itself can store or emit also can follow factors such as temperature, electric current relevant at every turn, therefore, the battery capacity that the user sees in system and the true capacity of battery will produce error.At present, the self study of intelligent battery is to carry out in the use that cooperates notebook, needs more than 8 hours because intelligent battery will be finished once complete capacity self study, and is consuming time oversize.If notebook powering-off state occurs in the process of the self study of intelligent battery, will cause this self study not finished, following primary cell carries out the self study process need and restarts.And when battery carries out self study in notebook work the time, owing to load on continuous variation, discharging current also can change thereupon, causes the accuracy of self study to reduce.
Therefore, the problem to be solved in the present invention is that intelligent battery adopts charger just can finish the self study process under the situation that need not connect notebook.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of charger, can allow intelligent battery under the situation that need not connect notebook, adopts charger just can finish the self study process.
For solving the problems of the technologies described above, a kind of charger is provided, comprising:
A kind of charger is characterized in that, described charger comprises:
Adaptor interface;
Battery interface by described battery interface, is connected intelligent battery with described charger;
Administration module links to each other with described intelligent battery by described battery interface, comprises a control unit, is used for reading the first information of described intelligent battery, and sends control signal according to the described first information;
Charging circuit, the end other end that links to each other with described administration module and described adaptor interface links to each other with described intelligent battery by described battery interface, is used for when described control signal is charging signals described intelligent battery being charged;
Discharge circuit, the one end other end that links to each other with described administration module links to each other with described intelligent battery by described battery interface, be used for when described control signal is discharge signal, described intelligent battery is discharged, wherein, described discharge circuit is a constant load, and described constant load is used for providing constant curtage to described intelligent battery;
Hardware button links to each other with described administration module, is used to control described intelligent battery and enters the self study state.
Preferably, described administration module also comprises:
Judging unit, link to each other with described intelligent battery by described administration module, be used for reading second information of described intelligent battery according to described control unit, described second information is calculated, obtain result of calculation, when described result of calculation is lower than reservation threshold, produces a cue and described intelligent battery is carried out self study, and the learning outcome of described intelligent battery is judged with the prompting user.
Preferably, described cue is: light flash or sound.
Preferably, described charger comprises:
The USB charging port, an end links to each other with described intelligent battery by described battery interface, and an end links to each other with external equipment, is used to connect described external equipment, by power supply adaptor or described intelligent battery described external equipment is charged.
Preferably, the described first information comprises: the charging voltage in the described intelligent battery, the charging current of described intelligent battery and described intelligent battery be full of the electrosemaphore position.
Preferably, described second information comprises: capacity when described intelligent battery is full of now and present described intelligent battery residual capacity.
Preferably, described discharge circuit comprises:
At least one switch and at least one resistance, be used for sending signal according to the voltage of dissimilar described intelligent batteries or discharging current to described at least one switch, discharge with described at least one resistance of opening described at least one switch correspondence by described control unit.
The embodiment of the invention has following beneficial effect:
The device of the embodiment of the invention is by increasing the constant discharge circuit in charger, so that intelligent battery discharges, realized in charger, carrying out the self-learning function of intelligent battery, realized that like this intelligent battery is under the situation that need not connect notebook, just can finish the self study process of intelligent battery, and, also improved the accuracy of intelligent battery self study process because load is constant.
Description of drawings
Fig. 1 is the charger apparatus schematic diagram of the embodiment of the invention;
Fig. 2 is the schematic diagram of the charger workflow of the embodiment of the invention;
Fig. 3 carries out the schematic diagram of discharge process for the discharge circuit constant load of the embodiment of the invention.
Embodiment
For making embodiments of the invention clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments technical problem, technical scheme and the advantage that will solve.
The embodiment of the invention is a kind of device of charger.At in present charger, can not carry out self study to intelligent battery, therefore, in charger, increased the self-learning function that discharge circuit is finished intelligent battery.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
As shown in Figure 1, the charger 11 device schematic diagrames for the embodiment of the invention comprise:
Adaptor interface 12;
Battery interface 13 links to each other with described intelligent battery 110, is used to connect intelligent battery;
Judging unit 14, link to each other with described intelligent battery by described administration module, be used for capacity (FCC) and present described intelligent battery residual capacity (RC) when being full of now according to the described intelligent battery that control unit reads, and the capacity (FCC) when described intelligent battery is full of now is divided by present described intelligent battery residual capacity (RC), obtain a ratio, the normal capacity threshold values that uses of the battery of setting when this ratio is dispatched from the factory with battery types is compared.When this ratio is lower than the capacity threshold values that sets, adopt modes such as the self study lamp glimmers, sound to point out this intelligent battery of user need carry out self study; And the learning outcome of described intelligent battery judged.Capacity (FCC) and present described intelligent battery residual capacity (RC) data when control unit reads being full of now of the intelligent battery that finishes of study respectively, capacity (FCC) when just described intelligent battery is full of now is divided by present described intelligent battery residual capacity (RC), obtain one and finish self study ratio afterwards, and the normal capacity threshold values of setting when dispatching from the factory with this ratio or with battery types that uses of battery is compared, or compare the threshold values that the described normal capacity of setting that uses of battery is set from the threshold values established with the user when the threshold values of establishing is higher than battery types and dispatches from the factory.Ratio after finishing self study meets the user to be set when requiring, and the user can stop the self study process, otherwise the user can select once more described intelligent battery to be carried out self study.
One hardware button 15 links to each other with described administration module, be used for when described judging unit after the user sends the self study information indicating, the user controls described intelligent battery by switch and enters the self study state;
MCU control module 16, link to each other with described intelligent battery, be used for reading the intelligent battery that inserts battery interface charging voltage, charging current and be full of the electrosemaphore position, and select to adopt the voltage and current of which kind of type to come described intelligent battery is charged according to the type of charging voltage and charging current; When the user selects to carry out battery self study pattern following time,, control intelligent battery and charge or discharge by reading the current state that intelligent battery is judged in the electrosemaphore position that is full of of intelligent battery; And when external other mobile devices were arranged, the control charging circuit charged to described external equipment;
Charging circuit 17, one ends link to each other with described administration module, and the other end links to each other with described intelligent battery, are used for when control unit sends charging signals, connect charging circuit described intelligent battery is charged;
Discharge circuit 18, one ends link to each other with described administration module, and the other end links to each other with described intelligent battery, are used for when described when control unit sends discharge signal, connect discharge circuit described intelligent battery is discharged;
USB charging port 19 links to each other with external equipment, is used to connect described external equipment, by power supply adaptor or described intelligent battery described external equipment is charged.When external USB equipment only is connected with described intelligent battery, at this moment, by electric pressure converter the voltage transitions of intelligent battery is become the voltage that is fit to the USB device charger and come USB device is charged.When external USB equipment not only is connected with power supply adaptor but also is connected with described intelligent battery, because the voltage of power supply adaptor is higher than the voltage of described intelligent battery.Therefore, the diode of described intelligent battery can be closed the charging of described intelligent battery to outside USB device automatically, and change by power supply adaptor outside USB device is charged.
As shown in Figure 2, be the schematic diagram of the charger workflow of the embodiment of the invention:
Step 21, the user inserts intelligent battery the battery interface of charger, control unit MCU (microprocessor) reads the charging current and the charging voltage of intelligent battery, the electric current of described intelligent battery and the type of voltage are judged promptly described intelligent battery adopts the voltage and current of which kind of type to come described intelligent battery is charged;
Step 22, capacity and present described intelligent battery residual capacity when control unit MCU (microprocessor) reads intelligent battery and is full of now.Capacity when intelligent battery is full of now obtains a ratio divided by the residual capacity of present described intelligent battery.The normal capacity threshold values that uses of the battery of setting when this ratio is dispatched from the factory with battery types is compared.When this ratio is lower than the capacity threshold values that sets, adopt modes such as the self study lamp glimmers, sound to point out this intelligent battery of user need carry out self study; The user selects according to self-demand.When the user selects to carry out the battery self study, enter step 23;
Step 23, what control unit MCU (microprocessor) read intelligent battery is full of the electrosemaphore position.The demonstration that is full of the electrosemaphore position of intelligent battery is divided into 0 and 1 two kind of situation;
Step 24, first kind of situation: when being full of the electrosemaphore position and being shown as 1 of intelligent battery, show that intelligent battery is the state that is full of electricity at present.At this moment, control unit MCU (microprocessor) connects discharge circuit, begins discharge.When the flag bit of battery is 0, illustrate that intelligent battery finished discharge step.At this moment, control unit MCU (microprocessor) closes discharge circuit, opens charging circuit, begins to charge for intelligent battery.When being full of the electrosemaphore position and being shown as 1 of intelligent battery, show that the intelligent battery charging finishes.The self study process of intelligent battery is finished.
Step 25, second kind of situation:, show that intelligent battery need enter charge mode when the electrosemaphore position that is full of of intelligent battery is shown as 0 constantly.Control unit MCU (microprocessor) opens charging circuit, for intelligent battery charges.When being full of the electrosemaphore position and being shown as 1 of battery, show that intelligent battery has been full of.Control unit MCU this moment (microprocessor) connects discharge circuit, begins discharge.When the flag bit of battery is 0, illustrate that intelligent battery finished discharge step.At this moment, control unit MCU (microprocessor) closes discharge circuit, opens charging circuit, charges for intelligent battery once more.When being full of the electrosemaphore position and being shown as 1 of intelligent battery, show that the intelligent battery charging finishes.The self study process of intelligent battery is finished.
Step 26, when the user selected directly to enter charge mode, control unit MCU (microprocessor) opened charging circuit, and intelligent battery is charged.
Fig. 3 carries out discharge process for the discharge circuit constant load of the embodiment of the invention.
When being full of the electrosemaphore position and being 1 of intelligent battery, control unit is connected discharge circuit, the discharge process of beginning intelligent battery.Comprise at least one switch and at least one resistance in the discharge circuit.Control unit utilizes switch to connect corresponding resistance according to the different model of intelligent battery.
As shown in Figure 3,3 switches and 3 resistance are arranged among the figure, wherein, each resistance is 10 ohm.
When described intelligent battery be 3 the string 1 and battery the time, the voltage of battery is 11.1V, battery capacity is 2600 MAHs, resistance is 10 ohm, control unit can come the signal that sends to S1 resistance according to the voltage or the discharging current of battery, opens the discharge process that S1 resistance is finished described intelligent battery.
When described intelligent battery be 3 the string 2 and battery the time, the voltage of battery is 11.1V, battery capacity is 5200 MAHs, resistance is 5 ohm, and at this moment, control unit can send signal to the resistance of S1 resistance and S2, open the resistance switch of S1 and S2, finish discharge process intelligent battery.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a charger is characterized in that, described charger comprises:
Adaptor interface;
Battery interface by described battery interface, is connected intelligent battery with described charger;
Administration module links to each other with described intelligent battery by described battery interface, comprises a control unit, is used for reading the first information of described intelligent battery, and sends control signal according to the described first information;
Charging circuit, the end other end that links to each other with described administration module and described adaptor interface links to each other with described intelligent battery by described battery interface, is used for when described control signal is charging signals described intelligent battery being charged;
Discharge circuit, one end links to each other with described administration module, the other end links to each other with described intelligent battery by described battery interface, be used for when described control signal is discharge signal, described intelligent battery is discharged, wherein, described discharge circuit is a constant load, and described constant load is used for providing constant curtage to described intelligent battery;
Hardware button links to each other with described administration module, is used to control described intelligent battery and enters the self study state;
When described intelligent battery entered described self study state, the described control signal that described control unit sends comprised discharge signal.
2. charger according to claim 1 is characterized in that, described administration module also comprises:
Judging unit, link to each other with described intelligent battery by described administration module, be used for reading second information of described intelligent battery according to described control unit, described second information is calculated, obtain result of calculation, when described result of calculation is lower than reservation threshold, produces a cue and described intelligent battery is carried out self study, and the learning outcome of described intelligent battery is judged with the prompting user.
3. charger according to claim 2 is characterized in that, described cue is: light flash or sound.
4. charger according to claim 1 is characterized in that, described charger comprises:
The USB charging port, an end links to each other with described intelligent battery by described battery interface, and an end links to each other with external equipment, is used to connect described external equipment, by power supply adaptor or described intelligent battery described external equipment is charged.
5. charger according to claim 1 is characterized in that, the described first information comprises: the charging voltage in the described intelligent battery, the charging current of described intelligent battery and described intelligent battery be full of the electrosemaphore position.
6. charger according to claim 2 is characterized in that, described second information comprises: capacity when described intelligent battery is full of now and present described intelligent battery residual capacity.
7. charger according to claim 1 is characterized in that, described discharge circuit comprises:
At least one switch and at least one resistance, be used for sending signal according to the voltage of dissimilar described intelligent batteries or discharging current to described at least one switch, discharge with described at least one resistance of opening described at least one switch correspondence by described control unit.
CN2008101151713A 2008-06-18 2008-06-18 Charger Active CN101609995B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6097175A (en) * 1997-08-25 2000-08-01 Samsung Electronics Co., Ltd. Method for charging and discharging a smart battery of an electronic equipment
CN2685966Y (en) * 2004-03-08 2005-03-16 深圳市顶星数码网络技术有限公司 Self-studying calibrating device for intelligent battery
CN1773806A (en) * 2004-11-10 2006-05-17 环隆电气股份有限公司 Intelligent battery simulating device
CN1776993A (en) * 2004-11-16 2006-05-24 三星电子株式会社 Charge system and charger for an electric apparatus and a control method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6097175A (en) * 1997-08-25 2000-08-01 Samsung Electronics Co., Ltd. Method for charging and discharging a smart battery of an electronic equipment
CN2685966Y (en) * 2004-03-08 2005-03-16 深圳市顶星数码网络技术有限公司 Self-studying calibrating device for intelligent battery
CN1773806A (en) * 2004-11-10 2006-05-17 环隆电气股份有限公司 Intelligent battery simulating device
CN1776993A (en) * 2004-11-16 2006-05-24 三星电子株式会社 Charge system and charger for an electric apparatus and a control method thereof

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