CN102457094A - Charging system - Google Patents
Charging system Download PDFInfo
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- CN102457094A CN102457094A CN2011100398405A CN201110039840A CN102457094A CN 102457094 A CN102457094 A CN 102457094A CN 2011100398405 A CN2011100398405 A CN 2011100398405A CN 201110039840 A CN201110039840 A CN 201110039840A CN 102457094 A CN102457094 A CN 102457094A
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- charge mode
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- charging system
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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
The client is when using lithium battery; The following situation of ubiquity: accomplish certain workload or also remain sub-fraction work imperfect tense at needs; Find that the power brick electric weight is not enough; At this moment the user needs the battery of sub-fraction capacity (such as the battery capacity of a%) to finish the work (not needing the full capacity battery), and hopes to have a kind of pattern of charger in the extremely short time, to accomplish the charging process of battery a% capacity such as 100S-200S.But the charger for lithium ion battery design cost of quick charge at present is higher, and model selection property is relatively poor.Summary of the invention
Technical problem to be solved by this invention is to overcome defective of the prior art, and realizing providing a kind of charger of selecting charge mode with low-cost, and what make safety in a short period of time gives battery certain capacity (energy) to accomplish a certain amount of work.
For solving the problems of the technologies described above; The present invention provides a kind of charging system; At least comprise a charger and a battery; Charging system comprises that at least filling charge mode and normal charge mode soon states and fill charge mode soon and can charge the battery meeting under the situation about imposing a condition, and comprises also that an indicating device can be indicated to fill charge mode soon and accomplish.
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 monitored current temperature of rechargeable battery and magnitude of voltage control automatic switchover according to temperature sensing circuit, voltage detecting circuit in real time by control circuit; Also can trigger, manually select by the user by the control switch on the guidance panel.
The beneficial effect that the present invention reached: 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 filling with to battery at short notice the capacity of a%, this capacity is enough to accomplish the work of urgent need.
Description of drawings Fig. 1 is a charger sketch map 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.
Among the 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.
Embodiment further describes the present invention below in conjunction with accompanying drawing.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Be illustrated in figure 1 as the preferred a kind of sketch map of charger of the present invention; Casing 1 is fastened with lower casing 102 by upper casing 101 and forms an integral body; Establish on the casing 1 one can place rechargeable battery charging slot 2, the inner chamber that casing 1 constitutes 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 here, 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 a fuller state with battery in the extremely short time; Under normal charge mode, charger charges normal.Whether the pilot cell that is used for backlight of control switch 3a is in the state that can select quick charge, and representes that with flicker backlight battery is by quick charge.Light when control switch is backlight, pilot cell meets the condition of selecting quick charge, press control switch 3a after, charging gets into fast charge mode, flicker backlight, quick charge finishes the Chang Liang backlight of back control switch 3a.
The red LED 4a of display unit and green LED 4b are used to the charged state that reports an error and charge 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 that charges normal, when battery charges under normal charge mode, and green LED 4b flicker, battery is full of back green LED 4b Chang Liang.
As shown in Figure 2, charger charging circuit 5 structures of the present invention comprise, and temperature sensing circuit 8, voltage detecting circuit 9 are monitored rechargeable battery Current Temperatures and voltage in real time, and will monitor numerical value and be sent to control circuit 6; The information of control circuit 6 receptions and treatment temperature testing circuit 8, voltage detecting circuit 9 is or/and the input information of outside guidance panel 3; The charge mode of control 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 show.
The control signal that mode selection circuit 10 sends according to control circuit 6 is selected to get into fast charge mode (abbreviating the Peak pattern as) or normal charge mode, and can between two kinds of patterns, be switched.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 that sends according to mode selection circuit 10 charges to rechargeable battery.
Under a kind of execution mode, current temperature and the magnitude of voltage of rechargeable battery that control circuit 6 is monitored according to temperature sensing circuit 8, voltage detecting circuit 9 in real time judged selection, the automatic switchover charge mode.When temperature sensing circuit 8 detected battery temperatures meet preset temperature range; And voltage detecting circuit 9 detected cell voltages meet preset voltage range; Then control circuit 6 outputs one control signal to mode selection circuit 10, and charge mode is switched to fast charge mode.
Under the 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, also can be the triggering signal of light, electricity, sound form.In the present embodiment, preferred, for through the manual control switch 3a of guidance panel 3, input control signal.
Like Fig. 2, shown in Figure 3, a kind of workflow of charger of the present invention is described, when charger had detected battery and inserts, whether the temperature, voltage that at first detect batteries through temperature sensing circuit 8, voltage detecting circuit 9 be in the scope that allows charging.If battery needs charging; Then can select to get into fast charge mode (being called for short the Peak pattern) or normal charge mode through mode selection circuit 10; Fast charge mode convert charging circuit 11 can provide big electric current I 1 to charge to rechargeable battery; Like 6A, realize battery being carried out quick charge in short-term with bigger charging current.The mode of selecting to get into fast charge mode or normal charge mode has two kinds, and a kind of is to automatically switch, and a kind of is non-automatic switchover, promptly relies on outer triggering signal 13 to trigger and gets into.Only introduce outer triggering signal 13 in the present embodiment and trigger the mode that gets into, when control switch 3a triggers, get into the Peak pattern.
In the Peak pattern, charging interval, charging current to be set, the preset charged electric current is I1, like 6A, compares with the charging current value I2 of normal charge mode, general, I2 is 1.5A, I1＞I2.The setting charging interval is t1, like 3min.Under the condition of this big electric current, battery is charged, can in preset very short time, make the energy of battery be charged to a fuller degree, as 70%, to satisfy the basic use needs of user fast.Under this pattern, the highest battery temperature that preset charged allows is T1 simultaneously, and as 40 degrees centigrade, maximum battery voltage is V1.When the charging interval reaches set point t1, withdraw from the Peak pattern, perhaps, withdraw from the Peak pattern automatically when detected battery temperature or voltage coefficient during more than or equal to the highest preset battery temperature T1, V1.
After withdrawing from the Peak pattern, battery is not extracted from charger like the user, then charging procedure changes normal charge mode over to and charges, green LED 4b flicker.The charging current I2 that under normal charge mode, uses is little than I1, like 1.5A.Under this pattern, preset a series of charge parameters, allow during like battery charge the highest battery temperature be T2, as 55 degrees centigrade, maximum battery voltage is V2, and detects the electric current of battery.When detected battery temperature more than or equal to preset maximum temperature T2, or detected cell voltage is during more than or equal to preset ceiling voltage V2, reports an error and returns initial program, red LED 4a is bright; Unusual when detected battery current, as approached 0 o'clock, in conjunction with the testing result of cell voltage, also more than or equal to preset ceiling voltage V2, report an error and return initial program like detected cell voltage, red LED 4a is bright.
Owing under the Peak pattern, battery is carried out large current charge fast, possibly cause damage or unsafe condition occur battery, under the Peak pattern, need carry out stricter requirement to each item coefficient of battery.So the relation of each item battery charge coefficient under above-mentioned Peak pattern and the normal mode is following: T1＜T2; V1＜V2; Under normal charge mode, the temperature of battery, electric current, voltage coefficient all meet the setting requirement, and then program proceeds to the judgement to the charging interval downwards.
When charging reaches the longest permission time t2, like 30min, and charging current is less than the preset electric current I 3 that is full of, and the expression 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 GND, and port J4 meets the port NTC of battery, port J5, J6 order batteries port.MCU micro-control unit chip in the control circuit 6 is selected U8 for use; After battery inserts charger; U8 judges battery Current Temperatures and voltage through the detection port J4 in temperature sensing circuit 8, the voltage detecting circuit 9, J5, J6, J7; According to current information, whether decision can get into fast charge mode, guarantees charging safety.When meeting when getting into the imposing a condition of fast charge mode; Can get into fast charge mode automatically; Also can be triggered getting into by outer triggering signal 13, outer triggering signal can be sensitive switch SW1 shown in Figure 4, also can be other other forms of input signals such as light, electricity, sound.If non-automatic formula gets into fast charge mode, when not having outer triggering signal 13 to trigger, U8 control is charged with normal charge mode.
In the present embodiment; Preferably non-automatic formula gets into fast charge mode, and its process is when triggering sensitive switch SW1, promptly during the control button 3a on the guidance panel 3; U8 detects and can get into fast charge mode; Light-emitting diode D18 in the indicating circuit 7 is bright, and indication can get into fast charge mode, and control button 3a's is backlight bright.After sensitive switch SW1 was pressed, U8 Control and Feedback circuit charged 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, U8 monitors the voltage of J4, J5, J6, J7 in real time, gets into timing simultaneously, and U8 changes normal charge mode over to automatically through R75 monitoring charger self-temperature under unusual condition.After the quick charge time reached preset charging interval, quick charge was accomplished, light-emitting diode D18 Chang Liang, and the indication quick charge stage finishes, the Chang Liang backlight of control button 3a.The user can pull out battery this moment from charger, be used for need of work.When causing the Halfway Stopping fast charge mode by reasons such as battery temperature or charger temperature; Light-emitting diode D18 extinguishes; The indication fast charge mode is unavailable, gets into normal charge mode automatically, light-emitting diode D11 flicker in the indicating circuit 7; Make the green LED 4b flicker on the guidance panel 3, normal charge mode is being carried out in indication.After battery is full of, light-emitting diode D11 Chang Liang in the indicating circuit 7, green LED 4b Chang Liang indicates whole charging process to accomplish.
Also can be through detecting battery Current Temperatures and voltage in other execution modes, when meeting when getting into the imposing a condition of fast charge mode, can get into fast charge mode automatically, realize the quick charge in short-term of battery.
Can use other triggering modes except sensitive switch to import selection in other execution modes, get into fast charge mode.
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 know-why of the present invention; Can also make some improvement and distortion, these improvement and distortion also should be regarded as protection scope of the present invention.
Claims (12)
1. charging system; At least comprise a charger and a battery; It is characterized in that: said charging system comprises at least and fills charge mode and normal charge mode soon; The said charge mode that fills soon can charge the battery meeting under the situation about imposing a condition, and comprises also that an indicating device can be indicated to fill charge mode soon and accomplish.
2. charging system according to claim 1 is characterized in that, said fast charge mode; Charge with 1 pair of battery of first electric current I, said normal charge mode is charged with 2 pairs of batteries of second electric current I; Said first electric current I 1 is greater than second electric current I 2; Said charging circuit also comprises a control circuit, through the switching of two kinds of charge modes of mode selection circuit control, said mode selection circuit; According to the control signal that said control circuit sends, select to get into corresponding fast charge mode or normal charge mode.
3. charging system according to claim 2 is characterized in that, said first electric current I 1 is at least 6A.
4. charging system according to claim 1 is characterized in that, said fast charge mode is preset one first charging interval t1, and said normal charge mode is preset one second charging interval t2, and the said first charging interval t1 is less than the second charging interval t2.
5. charging system according to claim 1 is characterized in that, said imposing a condition of filling charge mode soon and met to the highest battery temperature that allows is T1, and maximum battery voltage is V1.
6. charging system according to claim 1 is characterized in that, said indicating device can also indicate battery whether to be in the state that can select to fill soon charge mode.
7. charging system according to claim 7 is characterized in that, said indicating device is to have control switch backlight.
8. charging system according to claim 1 is characterized in that, said charging system is monitored current temperature of battery and magnitude of voltage control automatic switchover charge mode in real time according to temperature sensing circuit, voltage detecting circuit.
9. charging system according to claim 1 is characterized in that, receives outer triggering signal by said control circuit and carries out the charge mode switching.
10. charging system according to claim 9 is characterized in that said outer triggering signal is triggered by control switch.
11. charging system according to claim 10 is characterized in that, said control switch is a button.
12. charging system according to claim 10 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 true CN102457094A (en) | 2012-05-16 |
| CN102457094B 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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| CN (1) | CN102457094B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872397A (en) * | 2012-12-10 | 2014-06-18 | 联想(北京)有限公司 | Charging method and electronic device |
| CN104810875A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Charging mode switching circuit and method |
| WO2016008123A1 (en) * | 2014-07-16 | 2016-01-21 | 华为技术有限公司 | Electronic device quick charging method, apparatus and device |
| CN107565184A (en) * | 2017-07-18 | 2018-01-09 | 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 |
| CN110165732A (en) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal charging control method, mobile terminal and storage medium |
Citations (6)
| 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 |
| US20060164035A1 (en) * | 2002-06-14 | 2006-07-27 | Koninklijke Philips Electronics N.V. | Charger for rechargeable batteries |
| 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 |
-
2010
- 2010-10-21 CN CN201110039840.5A patent/CN102457094B/en active Active
Patent Citations (6)
| 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 |
| US20060164035A1 (en) * | 2002-06-14 | 2006-07-27 | Koninklijke Philips Electronics N.V. | Charger for rechargeable batteries |
| 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 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872397A (en) * | 2012-12-10 | 2014-06-18 | 联想(北京)有限公司 | Charging method and electronic device |
| 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 |
| CN104810875A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Charging mode switching circuit and method |
| US9935476B2 (en) | 2014-01-28 | 2018-04-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging mode switching circuit and method |
| CN105814767A (en) * | 2014-07-16 | 2016-07-27 | 华为技术有限公司 | Electronic device quick charging method, apparatus and device |
| WO2016008123A1 (en) * | 2014-07-16 | 2016-01-21 | 华为技术有限公司 | Electronic device quick charging method, apparatus and device |
| US10333326B2 (en) | 2014-07-16 | 2019-06-25 | Huawei Technologies Co., Ltd. | Devices and methods for fast charging using determined maximum charging current values |
| CN105814767B (en) * | 2014-07-16 | 2019-06-28 | 华为技术有限公司 | A kind of electronic equipment fast charge method, device and equipment |
| CN107565184A (en) * | 2017-07-18 | 2018-01-09 | 宇龙计算机通信科技(深圳)有限公司 | Charging method, device and equipment |
| 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 |
| CN110165732A (en) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | A kind of mobile terminal charging control method, mobile terminal and storage medium |
| 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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| CN102457094B (en) | 2014-06-11 |
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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. |