CN102332735A - Program controlled charging circuit for nickel-hydrogen battery - Google Patents
Program controlled charging circuit for nickel-hydrogen battery Download PDFInfo
- Publication number
- CN102332735A CN102332735A CN201110170008A CN201110170008A CN102332735A CN 102332735 A CN102332735 A CN 102332735A CN 201110170008 A CN201110170008 A CN 201110170008A CN 201110170008 A CN201110170008 A CN 201110170008A CN 102332735 A CN102332735 A CN 102332735A
- Authority
- CN
- China
- Prior art keywords
- battery
- current
- triode
- charge
- mode control
- 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.)
- Granted
Links
- 229910052739 hydrogen Inorganic materials 0.000 title abstract 2
- 239000001257 hydrogen Substances 0.000 title abstract 2
- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 230000000087 stabilizing effect Effects 0.000 claims description 21
- 229910018095 Ni-MH Inorganic materials 0.000 claims description 9
- 229910018477 Ni—MH Inorganic materials 0.000 claims description 9
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a program controlled charging circuit for a nickel-hydrogen battery. The program controlled charging circuit comprises a charging power supply, a battery to be charged, a charging switch, a charging mode control module and a one-chip microcomputer; the charging mode control module charges the battery to be charged through a diode, the charging switch comprises a switching triode, the base electrode of which is connected with the one-chip microcomputer through a first divider resistor, the charging mode control module comprises a voltage regulator chip which is connected with a metal oxide semiconductor (MOS) tube, a first current-limiting resistor and a mode control triode, the base electrode of the mode control triode is connected with the one-chip microcomputer, a third current-limiting resistor is arranged between the base electrode and the emitter electrode of the mode control triode, the first current-limiting resistor and a second current-limiting resistor are both connected with the anode of the diode, and a shunt resistor is provided between the G electrode of the MOS tube and the anode of the diode. The advantages of the invention are as follows when battery voltage is not insufficient, the battery can be charged through the charging power supply, and a proper current can be selected based on the electric quantity of the battery to charge the battery, which enables the battery not to be overcharged.
Description
Technical field
The present invention relates to a kind of program control charging circuit that is used for Ni-MH battery.
Background technology
Ni-MH battery is to have hydrogen ion and metallic nickel to synthesize, and the electric weight deposit is more than nickel-cadmium cell, and is lighter than nickel-cadmium cell, and useful life is also longer, and environmentally safe.The shortcoming of Ni-MH battery is that price is expensive more a lot of than nickel-cadmium cell, and performance is than lithium battery difference.What Ni-MH battery was used in productive life also comes the moon extensively.As a kind of rechargeable battery, often be applied in some independent intelligent equipment.Therefore the design of charging circuit is relatively more crucial.
Summary of the invention
The object of the present invention is to provide and a kind ofly when cell voltage is not enough, battery is charged, and can select different electric currents to battery charge, guarantee the program control charging circuit that is used for Ni-MH battery that battery is not overcharged according to battery electric quantity through charge power supply.
Be used for the program control charging circuit of Ni-MH battery, comprise charge power supply, battery to be charged, the charge switch that is connected with charge power supply, the charge mode control module of connection charge switch and battery to be charged, and the single-chip microcomputer of judging the virtual voltage of battery to be charged;
Described charge switch and charge mode control module are controlled by described single-chip microcomputer, and described charge mode control module is passed through diode to battery charge to be charged;
Described charge switch comprises metal-oxide-semiconductor that is connected with charge power supply and the switch triode that is connected with the G utmost point of metal-oxide-semiconductor; The collector electrode of described switch triode is connected with the described metal-oxide-semiconductor G utmost point; The base stage of described switch triode is connected with first pulse output end of single-chip microcomputer through first divider resistance; When described single-chip microcomputer is exported high level, described switch triode conducting;
Described charge mode control module comprises the voltage stabilizing chip that is connected with the metal-oxide-semiconductor G utmost point; The input of described voltage stabilizing chip is connected with the described metal-oxide-semiconductor G utmost point; First output of described voltage stabilizing chip is connected with first current-limiting resistance; Be provided with second current-limiting resistance between second output of described voltage stabilizing chip and described first current-limiting resistance, described voltage stabilizing chip second output is connected with the collector electrode of pattern control triode;
The grounded emitter of described pattern control triode; The base stage of described pattern control triode is connected with second pulse output end of described single-chip microcomputer through second divider resistance, is provided with the 3rd current-limiting resistance between the base stage of described pattern control triode and the emitter;
Described first current-limiting resistance all is connected with the positive pole of described diode with second current-limiting resistance, also is provided with shunt resistance between the described metal-oxide-semiconductor G utmost point and the diode cathode.
Technical conceive of the present invention is: when single-chip microcomputer detects the brownout of battery to be charged; Single-chip microcomputer sends high level to the base stage of switch triode; Thereby the switch triode conducting drags down the level of the metal-oxide-semiconductor G utmost point; The metal-oxide-semiconductor conducting, this moment, the power supply one tunnel of charge power supply was delivered to diode through shunt resistance, and another road gets into the voltage stabilizing chip.
Get into one road electric current of voltage stabilizing chip; When the base stage of pattern control triode is low level; Pattern control triode ends, this moment electric current from first output, flow into diode through first current-limiting resistance, diode current flow, treat rechargeable battery and carry out large current charge.
When the base stage when pattern control triode is high level; The conducting of pattern control triode; The road electric current that gets into the voltage stabilizing chip this moment is controlled triode to the ground earial drainage through pattern, and the road electric current that has only the process shunt resistance this moment is through diode pair battery charge to be charged.And the resistance of shunt resistance is very big, then treats the rechargeable battery charging with little electric current this moment.
When the voltage that detects battery to be charged when single-chip microcomputer has arrived threshold voltage, send low level to the base stage of switch triode, this moment, switch triode ended, and metal-oxide-semiconductor ends, and stops to treat each other the rechargeable battery charging.
The present invention has when cell voltage is not enough and through charge power supply battery is charged, and can select different electric currents to battery charge according to battery electric quantity, guarantees the advantage that battery is not overcharged.
Description of drawings
Fig. 1 is a circuit diagram of the present invention.
Embodiment
With reference to accompanying drawing, further specify the present invention:
The program control charging circuit that is used for Ni-MH battery; Comprise charge power supply POWER, battery J1 to be charged, the charge switch that is connected with charge power supply POWER; The charge mode control module that connects charge switch and battery to be charged, and the single-chip microcomputer of judging the virtual voltage of battery to be charged;
Described charge switch and charge mode control module are controlled by described single-chip microcomputer, and described charge mode control module is passed through diode to battery charge to be charged;
Described charge switch comprises metal-oxide-semiconductor Q1 that is connected with charge power supply and the switch triode Q2 that is connected with the G utmost point of metal-oxide-semiconductor; The collector electrode of described switch triode Q2 is connected with the described metal-oxide-semiconductor G utmost point; The base stage of described switch triode Q2 is connected with first pulse output end of single-chip microcomputer through the first divider resistance R2; When described single-chip microcomputer is exported high level, described switch triode Q2 conducting;
Described charge mode control module comprises the voltage stabilizing chip LM317 that is connected with the metal-oxide-semiconductor G utmost point; The input Vin of described voltage stabilizing chip LM317 is connected with the described metal-oxide-semiconductor G utmost point; The first output end vo ut of described voltage stabilizing chip LM317 is connected with the first current-limiting resistance R5; Be provided with the second current-limiting resistance R8 between the second output terminals A DJ of described voltage stabilizing chip LM317 and the described first current-limiting resistance R5, the described voltage stabilizing chip LM317 second output terminals A DJ is connected with the collector electrode of pattern control triode Q3;
The grounded emitter of described pattern control triode Q3; The base stage of described pattern control triode Q3 is connected with second pulse output end of described single-chip microcomputer through the second divider resistance R4, is provided with the 3rd current-limiting resistance R7 between the base stage of described pattern control triode Q3 and the emitter;
The described first current-limiting resistance R5 all is connected with the positive pole of described diode D1 with the second current-limiting resistance R8, also is provided with shunt resistance R1 between the described metal-oxide-semiconductor G utmost point and the diode D1 positive pole.
Technical conceive of the present invention is: when single-chip microcomputer detects the brownout of battery to be charged; Single-chip microcomputer sends high level to the base stage of switch triode; Thereby the switch triode conducting drags down the level of the metal-oxide-semiconductor G utmost point; The metal-oxide-semiconductor conducting, this moment, the power supply one tunnel of charge power supply was delivered to diode through shunt resistance, and another road gets into the voltage stabilizing chip.
Get into one road electric current of voltage stabilizing chip; When the base stage of pattern control triode is low level; Pattern control triode ends, this moment electric current from first output, flow into diode through first current-limiting resistance, diode current flow, treat rechargeable battery and carry out large current charge.
When the base stage when pattern control triode is high level; The conducting of pattern control triode; The road electric current that gets into the voltage stabilizing chip this moment is controlled triode to the ground earial drainage through pattern, and the road electric current that has only the process shunt resistance this moment is through diode pair battery charge to be charged.And the resistance of shunt resistance is very big, then treats the rechargeable battery charging with little electric current this moment.
When the voltage that detects battery to be charged when single-chip microcomputer has arrived threshold voltage, send low level to the base stage of switch triode, this moment, switch triode ended, and metal-oxide-semiconductor ends, and stops to treat each other the rechargeable battery charging.
The present invention has when cell voltage is not enough and through charge power supply battery is charged, and can select different electric currents to battery charge according to battery electric quantity, guarantees the advantage that battery is not overcharged.
The described content of this specification embodiment only is enumerating the way of realization of inventive concept; Protection scope of the present invention should not be regarded as and only limit to the concrete form that embodiment states, protection scope of the present invention also reach in those skilled in the art conceive according to the present invention the equivalent technologies means that can expect.
Claims (1)
1. the program control charging circuit that is used for Ni-MH battery; It is characterized in that: comprise charge power supply, battery to be charged, the charge switch that is connected with charge power supply; The charge mode control module that connects charge switch and battery to be charged, and the single-chip microcomputer of judging the virtual voltage of battery to be charged;
Described charge switch and charge mode control module are controlled by described single-chip microcomputer, and described charge mode control module is passed through diode to battery charge to be charged;
Described charge switch comprises metal-oxide-semiconductor that is connected with charge power supply and the switch triode that is connected with the G utmost point of metal-oxide-semiconductor; The collector electrode of described switch triode is connected with the described metal-oxide-semiconductor G utmost point; The base stage of described switch triode is connected with first pulse output end of single-chip microcomputer through first divider resistance; When described single-chip microcomputer is exported high level, described switch triode conducting;
Described charge mode control module comprises the voltage stabilizing chip that is connected with the metal-oxide-semiconductor G utmost point; The input of described voltage stabilizing chip is connected with the described metal-oxide-semiconductor G utmost point; First output of described voltage stabilizing chip is connected with first current-limiting resistance; Be provided with second current-limiting resistance between second output of described voltage stabilizing chip and described first current-limiting resistance, described voltage stabilizing chip second output is connected with the collector electrode of pattern control triode;
The grounded emitter of described pattern control triode; The base stage of described pattern control triode is connected with second pulse output end of described single-chip microcomputer through second divider resistance, is provided with the 3rd current-limiting resistance between the base stage of described pattern control triode and the emitter;
Described first current-limiting resistance all is connected with the positive pole of described diode with second current-limiting resistance, also is provided with shunt resistance between the described metal-oxide-semiconductor G utmost point and the diode cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170008 CN102332735B (en) | 2011-06-22 | 2011-06-22 | Program controlled charging circuit for nickel-hydrogen battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110170008 CN102332735B (en) | 2011-06-22 | 2011-06-22 | Program controlled charging circuit for nickel-hydrogen battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102332735A true CN102332735A (en) | 2012-01-25 |
| CN102332735B CN102332735B (en) | 2013-06-05 |
Family
ID=45484394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110170008 Active CN102332735B (en) | 2011-06-22 | 2011-06-22 | Program controlled charging circuit for nickel-hydrogen battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102332735B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617648A (en) * | 2015-02-14 | 2015-05-13 | 苏黎 | Charging control circuit and charging device |
| CN106532789A (en) * | 2015-09-11 | 2017-03-22 | 上海哲宏机电有限公司 | Chargeable battery |
| CN109049020A (en) * | 2018-10-22 | 2018-12-21 | 浙江亚尚智能科技有限公司 | The control circuit of electric shaver |
| CN109462269A (en) * | 2018-12-18 | 2019-03-12 | 镇江中煤电子有限公司 | Mining nickel-metal hydride battery pulse charging apparatus and control method |
| CN110429679A (en) * | 2019-08-09 | 2019-11-08 | 上海移为通信技术股份有限公司 | A small battery charging device and control method |
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN113206524A (en) * | 2021-04-30 | 2021-08-03 | 石家庄宇飞电子有限公司 | Ia-level intrinsic safety battery charging voltage feedback circuit |
| CN113991776A (en) * | 2021-10-26 | 2022-01-28 | 守卫者(杭州)科技有限公司 | Low-voltage battery module charging protection circuit and working method thereof |
| CN114914959A (en) * | 2021-02-09 | 2022-08-16 | 博泰车联网科技(上海)股份有限公司 | Nickel-hydrogen battery charging circuit and charging method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110522A (en) * | 2007-08-20 | 2008-01-23 | 中兴通讯股份有限公司 | Charging device and method for nickel-metal hydride battery and terminal using the device and method |
| CN201167240Y (en) * | 2007-11-30 | 2008-12-17 | 中兴通讯股份有限公司 | A charging device for nickel metal hydride batteries |
| US20090027013A1 (en) * | 2007-07-27 | 2009-01-29 | Shigefumi Odaohhara | Method and Apparatus for Charging Batteries |
| US20100060232A1 (en) * | 2008-09-08 | 2010-03-11 | Samuel Boyles | Battery charger |
| CN202111497U (en) * | 2011-06-22 | 2012-01-11 | 杭州炬华科技股份有限公司 | Program-controlled charging circuit for Ni-MH batteries |
-
2011
- 2011-06-22 CN CN 201110170008 patent/CN102332735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090027013A1 (en) * | 2007-07-27 | 2009-01-29 | Shigefumi Odaohhara | Method and Apparatus for Charging Batteries |
| CN101110522A (en) * | 2007-08-20 | 2008-01-23 | 中兴通讯股份有限公司 | Charging device and method for nickel-metal hydride battery and terminal using the device and method |
| CN201167240Y (en) * | 2007-11-30 | 2008-12-17 | 中兴通讯股份有限公司 | A charging device for nickel metal hydride batteries |
| US20100060232A1 (en) * | 2008-09-08 | 2010-03-11 | Samuel Boyles | Battery charger |
| CN202111497U (en) * | 2011-06-22 | 2012-01-11 | 杭州炬华科技股份有限公司 | Program-controlled charging circuit for Ni-MH batteries |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617648A (en) * | 2015-02-14 | 2015-05-13 | 苏黎 | Charging control circuit and charging device |
| CN106532789A (en) * | 2015-09-11 | 2017-03-22 | 上海哲宏机电有限公司 | Chargeable battery |
| CN109049020B (en) * | 2018-10-22 | 2023-09-05 | 浙江亚尚智能科技有限公司 | Control circuit of electric shaver |
| CN109049020A (en) * | 2018-10-22 | 2018-12-21 | 浙江亚尚智能科技有限公司 | The control circuit of electric shaver |
| CN109462269A (en) * | 2018-12-18 | 2019-03-12 | 镇江中煤电子有限公司 | Mining nickel-metal hydride battery pulse charging apparatus and control method |
| CN109462269B (en) * | 2018-12-18 | 2023-12-08 | 镇江中煤电子有限公司 | Mining nickel-metal hydride battery pulse charging device and control method |
| CN110429679A (en) * | 2019-08-09 | 2019-11-08 | 上海移为通信技术股份有限公司 | A small battery charging device and control method |
| CN111555397A (en) * | 2020-05-21 | 2020-08-18 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during lithium battery charging |
| CN111555397B (en) * | 2020-05-21 | 2024-06-04 | 广东博力威科技股份有限公司 | Control circuit for turning off discharge output during charging of lithium battery |
| CN114914959A (en) * | 2021-02-09 | 2022-08-16 | 博泰车联网科技(上海)股份有限公司 | Nickel-hydrogen battery charging circuit and charging method |
| CN113206524A (en) * | 2021-04-30 | 2021-08-03 | 石家庄宇飞电子有限公司 | Ia-level intrinsic safety battery charging voltage feedback circuit |
| CN113206524B (en) * | 2021-04-30 | 2022-11-29 | 石家庄宇飞电子有限公司 | Ia-level intrinsic safety battery charging voltage feedback circuit |
| CN113991776A (en) * | 2021-10-26 | 2022-01-28 | 守卫者(杭州)科技有限公司 | Low-voltage battery module charging protection circuit and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102332735B (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102332735B (en) | Program controlled charging circuit for nickel-hydrogen battery | |
| CN103236832B (en) | The control circuit of logical-sequential control circuit and charged in parallel discharged in series | |
| CN102170117B (en) | Battery protecting device and protecting method | |
| CN105305382A (en) | Charge and discharge protective circuit for battery | |
| CN202930922U (en) | Lithium battery protective circuit | |
| CN202353283U (en) | Universal combined solar charger | |
| CN205123354U (en) | Low capacity lead acid battery's constant voltage constant current charging and protection circuit | |
| CN103023116B (en) | Mobile communication terminal and circuit used for protecting charging of mobile communication terminal | |
| WO2016090852A1 (en) | Terminal device battery and method for control of charge and discharge thereof | |
| CN102480144A (en) | Battery charging device | |
| CN208691000U (en) | A kind of switching circuit for charged pool function device | |
| CN103855688B (en) | The leakage current protection circuit of battery | |
| CN201303014Y (en) | Nine-V lithium-ion rechargeable battery provided with protective circuit board(PCB) | |
| CN202333893U (en) | Solar Portable Device Charger | |
| CN202111497U (en) | Program-controlled charging circuit for Ni-MH batteries | |
| CN105207332A (en) | Intelligent control circuit for electromobile charger | |
| CN211701593U (en) | solar storage converter | |
| CN201623513U (en) | Electrical energy distributor circuit and mobile terminal | |
| CN202712353U (en) | Lithium-ion battery | |
| CN104079011A (en) | Charging circuit | |
| CN201766126U (en) | Rapid rechargeable battery | |
| CN102832674B (en) | Charging/discharging protection circuit of lithium battery | |
| CN203326579U (en) | Cell protection board having voltage scaling function | |
| CN209516719U (en) | Solar recharging Switching power | |
| CN105762769A (en) | Cell protection circuit applied to solar photovoltaic product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 310030 No. 9 Longtan Road, front street, Yuhang District, Zhejiang, Hangzhou Patentee after: Hangzhou Sunrise Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310030 West Lake science and Technology Park West eight road No. 2 Yinjiang Software Park building C Patentee before: Hangzhou Sunrise Technology Co., Ltd. |