CN102457094B - Charging system - Google Patents
Charging system Download PDFInfo
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- CN102457094B CN102457094B CN201110039840.5A CN201110039840A CN102457094B CN 102457094 B CN102457094 B CN 102457094B CN 201110039840 A CN201110039840 A CN 201110039840A CN 102457094 B CN102457094 B CN 102457094B
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Abstract
The invention provides a charging system. The system at least comprises one charger and one battery. The charging system also at least comprises an express charging mode, a normal charging mode and an indicating device. The express charging mode can be used to charge the battery under the condition of satisfying a setting situation. The indicating device can indicate that the express charging mode is completed. A charger in the invention provides an optional charging mode. An ultrafast charging scheme is controlled based on battery temperature change. By using the scheme, the excess charging power can be output under the conditions of a low level and an appropriate temperature change trend so as to safely give a certain capacity (energy) to the battery in a short time and a certain amount of work can be completed.
Description
Technical field
The present invention relates to a kind of charging system, relate in particular to a kind of system that realizes quickly charging battery.Background technology
Client is in the time using lithium battery, the following situation of ubiquity: in the time that needs complete certain workload or also surplus sub-fraction work does not complete, find that power brick electric weight is inadequate, at this moment user needs the battery of sub-fraction capacity (such as the battery capacity of a%) to finish the work (not needing full capacity battery), and the pattern that wishes a kind of charger can be within the extremely short time, such as 100S-200S completes the charging process of battery a% capacity.But the charger for lithium ion battery design cost of quick charge is at present higher, and model selection is poor.Summary of the invention
Technical problem to be solved by this invention is to overcome defect of the prior art, realization low cost, a kind of charger of selecting charge mode is provided, make in a short period of time safety to the certain capacity (energy) of battery to complete a certain amount of work.
For solving the problems of the technologies described above, the invention provides a kind of charging system, at least comprise a charger and a battery, charging system at least comprises that filling soon charge mode and normal charge mode states and fill soon charge mode and can charge the battery meeting impose a condition in the situation that, also comprises that an indicating device can be indicated to fill soon charge mode and complete.
Wherein the charging current of fast charge mode is greater than the charging current of normal charge mode, and the charging interval is less than the charging interval of normal charge mode.
The switching of fast charge mode and normal charge mode can be automatically switched according to temperature sensing circuit, current temperature and the magnitude of voltage control of voltage detecting circuit Real-Time Monitoring rechargeable battery by control circuit, also can be triggered by the control switch on guidance panel, manually be selected by user.
The beneficial effect that the present invention reaches: charger of the present invention provides has optionally charge mode, wherein a kind of pattern comprises: rely on battery temperature to change and voltage-controlled ultrafast charging scheme, this charger design has selectable fast charge mode, under low-voltage and suitable temperature changing trend, can exceed the quata to export charge power to realize the capacity of filling at short notice a% to battery with, this capacity has been enough to the work of urgent need.
Description of drawings 1 is charger schematic diagram of the present invention; Fig. 2 is the module map of the charging circuit of charger of the present invention; Fig. 3 is the workflow diagram of charger of the present invention; Fig. 4 is the charging circuit figure of Fig. 2.
In figure, 1, casing; 101, upper casing; 102, lower casing; 2, charging slot; 3, guidance panel; 3a, control switch; 4a, red LED; 4b, green LED; 5, charging circuit; 6, control circuit; 7, indicating circuit; 8, temperature sensing circuit; 9, voltage detecting circuit; 10, mode selection circuit; 11, convert charging circuit; 110, AC-DC input circuit; 111, DC-DC power circuit; 112, DC voltage output circuit; 13, outer triggering signal.
The invention will be further described below in conjunction with accompanying drawing for embodiment.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Be illustrated in figure 1 the preferred a kind of schematic diagram of charger of the present invention, casing 1 is fastened and is formed an entirety by upper casing 101 and lower casing 102, on casing 1, establish the charging slot 2 that can place rechargeable battery, the inner chamber that casing 1 forms comprises charging circuit, casing 1 is provided with the display unit of guidance panel 3 and indication charged state, can be emitting led or LCD display, and control switch 3a.Display unit is red LED 4a and green LED 4b herein, and control switch 3a has button backlight.
Charger has the pattern of quick charge, or claims Peak pattern, peak value charge mode, and normal charge mode.Under fast charge mode, charger is charged to battery a fuller state within the extremely short time; Under normal charge mode, charger charges normal.Whether the battery that is used to indicate backlight of control switch 3a in selecting the state of quick charge, and represent that with flicker backlight battery is by quick charge.Light when control switch is backlight, pilot cell meets the condition of selecting quick charge, presses after control switch 3a, and charging enters fast charge mode, flicker backlight, and quick charge finishes the Chang Liang backlight of rear control switch 3a.
The red LED 4a of display unit and the green LED 4b charged state for reporting an error and charging normal.Bright as red LED4a, represent battery generation abnormal conditions, the abnormal conditions under fast charge mode and normal charge mode are all used this mode.Green LED 4b is used to indicate the charge condition charging normal, when battery charges under normal charge mode, and green LED 4b flicker, battery is full of rear green LED 4b Chang Liang.
As shown in Figure 2, charger charging circuit 5 structures of the present invention comprise, temperature sensing circuit 8, voltage detecting circuit 9, and Real-Time Monitoring rechargeable battery Current Temperatures and voltage, and monitoring numerical value is sent to control circuit 6; The information of control circuit 6 receptions treatment temperature testing circuit 8, voltage detecting circuit 9 is or/and the input message of outside guidance panel 3, control the charge mode of charging circuit 5, and current state information is sent to indicating circuit 7, indicating circuit 7 can comprise display unit, is used to indicate charged state or other information that need to show.
The control signal that mode selection circuit 10 sends according to control circuit 6, selects to enter fast charge mode (referred to as Peak pattern) or normal charge mode, and can between two kinds of patterns, switch.Convert charging circuit 11 is connected with rechargeable battery, comprises the AC-DC input circuit 110, DC-DC power circuit 111 and the DC voltage output circuit 112 that connect successively, and the charge mode sending according to mode selection circuit 10 charges to rechargeable battery.
Under a kind of execution mode, control circuit 6 judges selection, automatic switchover charge mode according to the rechargeable battery of temperature sensing circuit 8, voltage detecting circuit 9 Real-Time Monitorings current temperature and magnitude of voltage.The battery temperature detecting when temperature sensing circuit 8 meets default temperature range, and the cell voltage that voltage detecting circuit 9 detects meets default voltage range, control circuit 6 is exported one and is controlled signal to mode selection circuit 10, and charge mode is switched to fast charge mode.
Under another kind of execution mode, control circuit 6 receives outer triggering signal 13 and carries out the switching of charge mode.Outer triggering signal 13 can be the signal of switch triggering, can be also triggering signal optical, electrical, sound form.In the present embodiment, preferred, for passing through the manual control switch 3a of guidance panel 3, input control signal.
As shown in Figure 2 and Figure 3, a kind of workflow of charger of the present invention is described, in the time that charger has detected that battery inserts, whether the temperature, voltage that first detects battery by temperature sensing circuit 8, voltage detecting circuit 9 be allowing in the scope of charging.If battery needs charging, can select to enter fast charge mode (being called for short Peak pattern) or normal charge mode by mode selection circuit 10, fast charge mode convert charging circuit 11 can provide large electric current I 1 to charge to rechargeable battery, as 6A, realize, with larger charging current, battery is carried out to quick charge in short-term.The mode that selection enters fast charge mode or normal charge mode has two kinds, and one is to automatically switch, and one is non-automatic switchover, relies on outer triggering signal 13 to trigger and enters.In the present embodiment, only introduce outer triggering signal 13 and trigger the mode entering, in the time that control switch 3a triggers, enter Peak pattern.
In Peak pattern, charging interval, charging current to be set, preset charged electric current is I1, as 6A, compared with the charging current value I2 of normal charge mode, general, I2 is 1.5A, I1 > I2.The setting charging interval is t1, as 3min.Under the condition of this large electric current, battery is charged, can within default very short time, make the energy of battery be charged to a fuller degree, as 70%, to meet fast the basic use needs of user.Under this pattern, the highest battery temperature that preset charged allows is T1 simultaneously, and as 40 degrees Celsius, maximum battery voltage is V1.In the time that the charging interval reaches set point t1, exit Peak pattern, or in the time that the battery temperature detecting or voltage coefficient are more than or equal to default the highest battery temperature T1, V1, automatically exit Peak pattern.
Exit after Peak pattern, as user does not extract battery from charger, charging procedure proceeds to normal charge mode and charges, green LED 4b flicker.The charging current I2 using under normal charge mode is little compared with I1, as 1.5A.Under this pattern, default a series of charge parameters, while charging as battery permission the highest battery temperature be T2, as 55 degrees Celsius, maximum battery voltage is V2, and detects the electric current of battery.When the battery temperature detecting is more than or equal to default maximum temperature T2, or the cell voltage detecting is while being more than or equal to default ceiling voltage V2, reports an error and returns to initial program, and red LED 4a is bright; Abnormal when the battery current detecting, as close to 0 o'clock, in conjunction with the testing result of cell voltage, as the cell voltage detecting is also more than or equal to default ceiling voltage V2, reports an error and returns to initial program, and red LED 4a is bright.
Owing under Peak pattern, battery being carried out to large current charge fast, may cause damage or occur unsafe condition battery, under Peak pattern, need every coefficient of battery to carry out stricter requirement.Therefore the relation of the every battery charging coefficient under above-mentioned Peak pattern and normal mode is as follows: T1 < T2; V1 < V2; Under normal charge mode, the temperature of battery, electric current, voltage coefficient all meet setting requirement, and program proceeds to the judgement to the charging interval downwards.
When charging reaches the longest permission time t2, as 30min, and charging current is less than the default electric current I 3 that is full of, and represents that battery has been full of, complete charge, green LED 4b Chang Liang.
As shown in Figure 4, port J3 connects anode, and port J7 connects battery cathode, and port J4 meets the port NTC of battery, port J5, J6 order batteries port.MCU micro-control unit chip in control circuit 6 is selected U8, when battery inserts after charger, U8 judges battery Current Temperatures and voltage by detection port J4, J5, J6, J7 in temperature sensing circuit 8, voltage detecting circuit 9, according to current information, determine whether can enter fast charge mode, guarantee charging safety.When meeting while entering the imposing a condition of fast charge mode, can automatically enter fast charge mode, also can be triggered and be entered by outer triggering signal 13, outer triggering signal can be the sensitive switch SW1 shown in Fig. 4, can be also other the other forms of input signal such as optical, electrical, sound.Enter fast charge mode if non-automatic, in the time not having outer triggering signal 13 to trigger, U8 controls and charges with normal charge mode.
In the present embodiment, the preferably non-automatic fast charge mode that enters, its process is when triggering sensitive switch SW1, while being the control button 3a on guidance panel 3, U8 detects and can enter fast charge mode, light-emitting diode D18 in indicating circuit 7 is bright, and indication can enter fast charge mode, and control button 3a's is backlight bright.After sensitive switch SW1 is pressed, U8 feedback control circuit, charges according to the fast charging current of setting.Light-emitting diode D18 flicker, fast charge mode, the flicker backlight of control button 3a are being carried out in indication.Under this pattern, the voltage of U8 Real-Time Monitoring J4, J5, J6, J7 enters timing simultaneously, and U8 monitors charger self-temperature by R75, automatically proceeds to normal charge mode under unusual condition.After the quick charge time reaches default charging interval, quick charge completes, light-emitting diode D18 Chang Liang, and the indication quick charge stage finishes, the Chang Liang backlight of control button 3a.User now can pull out battery from charger, for need of work.In the time causing Halfway Stopping fast charge mode by reasons such as battery temperature or charger temperature, light-emitting diode D18 extinguishes, indication fast charge mode is unavailable, automatically enter normal charge mode, light-emitting diode D11 flicker in indicating circuit 7, make the green LED 4b flicker on guidance panel 3, normal charge mode is being carried out in indication.After battery is full of, light-emitting diode D11 Chang Liang in indicating circuit 7, green LED 4b Chang Liang, indicates whole charging process to complete.
Also can be by detecting battery Current Temperatures and voltage in other execution modes, when meeting while entering the imposing a condition of fast charge mode, can automatically enter fast charge mode, realize the quick charge in short-term of battery.
In other execution modes, can use other triggering modes except sensitive switch to carry out input selection, enter fast charge mode.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (6)
1. a charging system, at least comprise: a charger and a battery, described charging system at least comprises: fill soon charge mode and normal charge mode, the described charge mode that fills soon charges the battery meeting impose a condition in the situation that, described charging system also comprises indicating for one and fills soon the indicating device that charge mode has completed, it is characterized in that, at the described charge mode that fills soon, described charger charges to described battery with the first electric current I 1, in described normal charge mode, described charger charges to described battery with the second electric current I 2, described charger comprises charging circuit, described charging circuit comprises: control circuit, mode selection circuit, temperature sensing circuit, voltage detecting circuit, convert charging circuit, control switch, above-mentioned convert charging circuit comprises: the AC-DC input circuit, DC-DC power circuit, the DC voltage output circuit that connect successively, and the above-mentioned convert charging circuit of above-mentioned mode selection circuit control switches charge mode, described control circuit is by sending the switching of filling soon charge mode and normal charge mode described in control signal control to described mode selection circuit, described control circuit judges selection and then automatic switchover charge mode according to the temperature of the described battery of Real-Time Monitoring and voltage, or described control circuit switches according to the outer triggering signal receiving, the signal that described outer triggering signal triggers for described control switch, described fill soon that charge mode meets impose a condition for: the highest battery temperature of permission is that T1, maximum battery voltage are V1, what described normal charge mode met impose a condition for: the highest battery temperature of permission is that T2, maximum battery voltage are V2, the highest battery temperature is that to be less than the highest battery temperature be T2 to T1, maximum battery voltage is that to be less than maximum battery voltage be V2 to V1, the described default one first charging interval t1 of charge mode that fills soon, described normal charge mode is preset one second charging interval t2, and described the first charging interval t1 is less than the second charging interval t2, fill soon under charge mode described, temperature and the voltage of battery, automatically switch to described normal charge mode if meet imposing a condition of described normal charge mode described in described control circuit Real-Time Monitoring, described control circuit is in the time that the described charging interval of filling soon charge mode reaches the first charging interval t1, or the battery temperature detecting is more than or equal to the highest default battery temperature T1, or the cell voltage detecting is while being more than or equal to maximum battery voltage V1, automatically exit the described charge mode that fills soon, and in the situation that not extracting from charger, described battery automatically proceeds to described normal charge mode, described control circuit detects under described normal charge mode that the temperature of described battery is more than or equal to the highest battery temperature T2 or the voltage of the described battery that detects is more than or equal to and when maximum battery voltage is V2, exits described normal charge mode, described control circuit judges the charging interval of described normal charge mode in described normal charge mode and while meeting imposing a condition that described normal charge mode meets, if equal the second described charging interval t2, stop charging.
2. charging system according to claim 1, is characterized in that, described the first electric current I 1 is at least 6A.
3. charging system according to claim 1, is characterized in that, whether described indicating device can also indicate battery in selecting to fill soon the state of charge mode.
4. charging system according to claim 3, is characterized in that, described indicating device is to have above-mentioned control switch backlight.
5. charging system according to claim 4, is characterized in that, described control switch is button.
6. charging system according to claim 4, is characterized in that, also comprises normal charge mode.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110039840.5A CN102457094B (en) | 2010-10-21 | 2010-10-21 | Charging system |
| GB1113724.7A GB2484773B (en) | 2010-10-21 | 2011-08-10 | Battery charging system having multiple charging modes |
| US13/206,800 US9252463B2 (en) | 2010-10-21 | 2011-08-10 | Battery charging system having multiple charging modes |
| DE202011050972U DE202011050972U1 (en) | 2010-10-21 | 2011-08-12 | Battery charging system with multiple charging modes |
| FR1159556A FR2966658B3 (en) | 2010-10-21 | 2011-10-21 | BATTERY CHARGING SYSTEM HAVING MULTIPLE LOADING MODES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110039840.5A CN102457094B (en) | 2010-10-21 | 2010-10-21 | Charging system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010514214.2A Division CN101986509B (en) | 2010-10-21 | 2010-10-21 | Charger |
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| Publication Number | Publication Date |
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| CN102457094A CN102457094A (en) | 2012-05-16 |
| CN102457094B true CN102457094B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110039840.5A Active CN102457094B (en) | 2010-10-21 | 2010-10-21 | Charging system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872397B (en) * | 2012-12-10 | 2018-06-01 | 联想(北京)有限公司 | The method and electronic equipment of a kind of charging |
| CN104810875B (en) * | 2014-01-28 | 2017-05-17 | 广东欧珀移动通信有限公司 | charging mode switching circuit and method |
| KR102125925B1 (en) | 2014-07-16 | 2020-06-23 | 후아웨이 테크놀러지 컴퍼니 리미티드 | Electronic device quick charging method, apparatus and device |
| CN107565184B (en) * | 2017-07-18 | 2019-08-02 | 宇龙计算机通信科技(深圳)有限公司 | Charging method, device and equipment |
| CN109856462A (en) * | 2019-01-28 | 2019-06-07 | 深圳供电局有限公司 | Electromagnetic field measurements probe, electromagnetic field measuring system and control method |
| CN110165732B (en) * | 2019-05-14 | 2023-07-18 | 惠州Tcl移动通信有限公司 | Mobile terminal charging control method, mobile terminal and storage medium |
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| EP0450783A2 (en) * | 1990-04-05 | 1991-10-09 | Nokia Mobile Phones (U.K.) Limited | Battery charging system |
| US6326767B1 (en) * | 1999-03-30 | 2001-12-04 | Shoot The Moon Products Ii, Llc | Rechargeable battery pack charging system with redundant safety systems |
| CN1421975A (en) * | 2001-11-23 | 2003-06-04 | 成都世能科技有限责任公司 | Adaptive charge controlling chip |
| CN101154821A (en) * | 2007-09-21 | 2008-04-02 | 中兴通讯股份有限公司 | Quick charging device and method for nickel-hydrogen battery |
| CN101222144A (en) * | 2007-01-10 | 2008-07-16 | 仁宝电脑工业股份有限公司 | Charging method of portable electronic device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003107506A2 (en) * | 2002-06-14 | 2003-12-24 | Koninklijke Philips Electronics N.V. | Charger for rechargeable batteries |
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- 2010-10-21 CN CN201110039840.5A patent/CN102457094B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0450783A2 (en) * | 1990-04-05 | 1991-10-09 | Nokia Mobile Phones (U.K.) Limited | Battery charging system |
| US6326767B1 (en) * | 1999-03-30 | 2001-12-04 | Shoot The Moon Products Ii, Llc | Rechargeable battery pack charging system with redundant safety systems |
| CN1421975A (en) * | 2001-11-23 | 2003-06-04 | 成都世能科技有限责任公司 | Adaptive charge controlling chip |
| CN101222144A (en) * | 2007-01-10 | 2008-07-16 | 仁宝电脑工业股份有限公司 | Charging method of portable electronic device |
| CN101154821A (en) * | 2007-09-21 | 2008-04-02 | 中兴通讯股份有限公司 | Quick charging device and method for nickel-hydrogen battery |
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| CN102457094A (en) | 2012-05-16 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |