CN102957195B - Battery charge controlling circuit - Google Patents
Battery charge controlling circuit Download PDFInfo
- Publication number
- CN102957195B CN102957195B CN201210510763.1A CN201210510763A CN102957195B CN 102957195 B CN102957195 B CN 102957195B CN 201210510763 A CN201210510763 A CN 201210510763A CN 102957195 B CN102957195 B CN 102957195B
- Authority
- CN
- China
- Prior art keywords
- battery
- circuit
- pnp triode
- triode
- series
- 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.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery charge controlling circuit. The existing battery charge controlling circuit is complex and is of high in cost and has relatively large power consumption. The battery charge controlling circuit comprises a charge input end and a battery, wherein the charge input end is respectively connected with the battery through a charge indication circuit and a voltage stabilization circuit, and a constant current circuit is connected withbetween the voltage stabilization circuit and the battery in parallel. Under the action of the voltage stabilization circuit and the constant current circuit, the stable voltage and constant current charge of the battery can be realized, and the charge indication circuit can indicate that the battery is fully charged; and the battery charge controlling circuit disclosed by the invention has the advantages of simple circuit, low cost and low power consumption.
Description
Technical field
The present invention relates to power circuit, specifically refer to a kind of battery charge control circuit.
Background technology
In electronic digital series products, what provide the energy is all can the battery of discharge and recharge, in order to protect battery, carry out in the process of charging again to battery, need control circuit to control, so existing control circuit such as application number is the battery charger disclosed in the Chinese patent of 200620017043.1, it comprises voltage changer and constant-voltage control circuit, described voltage changer can export charging voltage with a certain initial set value and As time goes on constantly increase the charging voltage exported, when the charging voltage exported reaches the charging voltage of setting, constant charging voltage is exported by described constant-voltage control circuit control voltage converter.Also be provided with the Timer Controlling charging interval simultaneously, be provided with the output current that current detection circuit detects voltage changer.Above-mentioned control circuit can control the charging process of battery, but circuit is comparatively complicated, and cost is also higher, and power consumption is relatively also larger.
Summary of the invention
The invention provides a kind of battery charge control circuit, can show and the pressure-stabilizing constant flow of battery is charged, and can pilot cell full state, circuit is simple, and power consumption is few.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of battery charge control circuit, comprise charging input end and battery, described charging input end is connected to battery through charging indication and voltage stabilizing circuit respectively, has connect constant-current circuit between described voltage stabilizing circuit and battery.Under the effect of voltage stabilizing circuit and constant-current circuit, can carry out the charging of pressure-stabilizing constant flow to battery, charging indication can be pointed out when battery is filled and is full of simultaneously.
As preferably, described charging indication comprises a PNP triode I and light-emitting diode, the positive pole of the charging input end described in emitter connection of described PNP triode I, the positive pole of described charging input end is connected after base series one dropping resistor of described PNP triode I, described anode is connected, the voltage stabilizing circuit described in described dropping resistor connects after the light-emitting diode described in collector series connection of described PNP triode I.When starting to charge, PNP triode I conducting, light-emitting diode is lighted, and along with the voltage on battery constantly rises, the electric current on dropping resistor constantly reduces, and after battery is filled, PNP triode I is ended, and light-emitting diode extinguishes, and indicating battery is full of.
As preferably, connect a resistance I between the collector electrode of described PNP triode I and described light-emitting diode positive pole, resistance I plays current-limiting protection effect.
As preferably, be connected in series a resistance II between the base stage of described PNP triode I and described dropping resistor, resistance II plays current-limiting protection effect.
As preferably, described voltage stabilizing circuit is adjustable voltage stabilizing circuit, comprise a three-terminal voltage-stabilizing pipe and a NPN triode, described charging input end positive pole is connected after the described dropping resistor described in NPN transistor collector serial connection, ground connection after three-terminal voltage-stabilizing pipe described in described NPN transistor base connects, a resistance III is connected in series, the constant-current circuit described in emitter connection of described NPN triode between described NPN transistor collector and base stage.In charging process, NPN triode keeps conducting, and three-terminal voltage-stabilizing pipe output voltage is adjustable, can adjust the charging voltage to battery according to actual needs, can ensure to charge to battery voltage stabilizing simultaneously.
As preferably, described constant-current circuit is adjustable constant-flow circuit, comprise a PNP triode II and adjustable resistance, the emitter of the NPN triode described in described PNP triode II emitter connects, ground connection after the adjustable resistance described in base series of described PNP triode II, the anode described in described PNP triode II collector electrode connects.
As preferably, described adjustable resistance is connected in series ground connection after a resistance IV, and resistance IV plays current-limiting protection effect.
As preferably, described NPN triode and described PNP triode II are provided with fin.
Adopt after technique scheme, tool of the present invention has the following advantages: under the effect of voltage stabilizing circuit and constant-current circuit, can realize charging battery being carried out to pressure-stabilizing constant flow, charging indication can be pointed out when battery is filled and is full of simultaneously; Main electronic parts contains only three triodes and a three-terminal voltage-stabilizing pipe, and circuit is simple, and cost is lower, and power consumption is lower.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the theory diagram of a kind of battery charge control circuit of the present invention;
Fig. 2 is concrete circuit connection diagram of the present invention.
Embodiment
See Fig. 1, a kind of battery charge control circuit, comprises charging input end and battery 1, and described charging input end is connected to battery 1 through charging indication 2 and voltage stabilizing circuit 3 respectively, has connect constant-current circuit 4 between described voltage stabilizing circuit 3 and battery.Under the effect of voltage stabilizing circuit 3 and constant-current circuit 4, can realize charging battery 1 being carried out to pressure-stabilizing constant flow, charging indication 2 can be pointed out when battery 1 is filled and is full of simultaneously.
See Fig. 2; described charging indication 2 comprises a PNP triode I Q1 and light-emitting diode D1; the positive pole of the charging input end described in emitter connection of described PNP triode I Q1; connect the positive pole of described charging input end after the base series one dropping resistor R1 of described PNP triode I Q1, between the base stage of described PNP triode I Q1 and described dropping resistor R1, be connected in series resistance II R3 that plays current-limiting protection effect.Connect described battery 1 positive pole after the light-emitting diode D1 described in collector series connection of described PNP triode I Q1, between the collector electrode of described PNP triode I Q1 and described light-emitting diode D1 positive pole, connect resistance I R2 of current-limiting protection effect.Voltage stabilizing circuit described in described dropping resistor R1 connects.
Described voltage stabilizing circuit 2 is adjustable voltage stabilizing circuit, comprise an a three-terminal voltage-stabilizing pipe T1 and NPN triode Q2, described charging input end positive pole is connected after the described dropping resistor R1 described in NPN triode Q2 collector series connection, ground connection after three-terminal voltage-stabilizing pipe T1 described in described NPN triode Q2 base stage connects, resistance III R4 is connected in series, the constant-current circuit 4 described in emitter connection of described NPN triode Q2 between described NPN triode Q2 collector electrode and base stage.
Described constant-current circuit 4 is adjustable constant-flow circuit; comprise a PNP triode II Q3 and adjustable resistance R5; the emitter of the NPN triode Q2 described in described PNP triode II Q3 emitter connects; ground connection after the adjustable resistance R5 described in base series of described PNP triode II Q3, described adjustable resistance R5 is connected in series one and plays ground connection after resistance IV R6 of current-limiting protection effect.Battery 1 positive pole described in described PNP triode II Q3 collector electrode connects, regulates adjustable resistance R5 can provide constant current charge electric current as required.
When starting to charge, PNP triode I Q1 conducting, light-emitting diode D1 lights, along with the voltage on battery 1 constantly rises, the electric current on dropping resistor R1 constantly reduces, after battery 1 is filled, PNP triode I Q1 ends, and light-emitting diode D1 extinguishes, and indicating battery 1 is full of.In charging process, NPN triode Q2 keeps conducting, and three-terminal voltage-stabilizing pipe T1 output voltage is adjustable, can adjust the charging voltage to battery 1 according to actual needs, can ensure to charge to battery 1 voltage stabilizing simultaneously.
Described NPN triode (Q2) and described PNP triode II (Q3) are provided with fin, and fin ensures circuit stability work.
Claims (5)
1. a battery charge control circuit, comprise charging input end and battery (1), described charging input end is connected to battery (1) through charging indication (2) and voltage stabilizing circuit (3) respectively, connect constant-current circuit (4) between described voltage stabilizing circuit (3) and battery, it is characterized in that: described charging indication (2) comprises a PNP triode I (Q1) and a light-emitting diode (D1), the positive pole of the charging input end described in emitter connection of described PNP triode I (Q1), base series one dropping resistor (R1) of described PNP triode I (Q1) connects the positive pole of described charging input end afterwards, battery (1) positive pole described in connecting after the light-emitting diode (D1) described in collector series connection of described PNP triode I (Q1), voltage stabilizing circuit described in described dropping resistor (R1) connects, described voltage stabilizing circuit (2) is adjustable voltage stabilizing circuit, comprise a three-terminal voltage-stabilizing pipe (T1) and a NPN triode (Q2), charging input end positive pole described in connecting after the described dropping resistor (R1) described in NPN triode (Q2) collector series connection, ground connection after three-terminal voltage-stabilizing pipe (T1) described in described NPN triode (Q2) base stage connects, described NPN triode (Q2) is connected in series a resistance III (R4) between collector electrode and base stage, the constant-current circuit (4) described in emitter connection of described NPN triode (Q2), described constant-current circuit (4) is adjustable constant-flow circuit, comprise a PNP triode II (Q3) and an adjustable resistance (R5), the emitter of the NPN triode (Q2) described in described PNP triode II (Q3) emitter connects, ground connection after the adjustable resistance (R5) described in base series of described PNP triode II (Q3), battery (1) positive pole described in described PNP triode II (Q3) collector electrode connects.
2. battery charge control circuit according to claim 1, is characterized in that: connect a resistance I (R2) between the collector electrode of described PNP triode I (Q1) and described light-emitting diode (D1) positive pole.
3. battery charge control circuit according to claim 1, is characterized in that: be connected in series a resistance II (R3) between the base stage of described PNP triode I (Q1) and described dropping resistor (R1).
4. battery charge control circuit according to claim 1, is characterized in that: described adjustable resistance (R5) is connected in series resistance IV (R6) ground connection afterwards.
5. battery charge control circuit according to claim 1, is characterized in that: described NPN triode (Q2) and described PNP triode II (Q3) are provided with fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510763.1A CN102957195B (en) | 2012-11-30 | 2012-11-30 | Battery charge controlling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510763.1A CN102957195B (en) | 2012-11-30 | 2012-11-30 | Battery charge controlling circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102957195A CN102957195A (en) | 2013-03-06 |
| CN102957195B true CN102957195B (en) | 2015-05-20 |
Family
ID=47765605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210510763.1A Active CN102957195B (en) | 2012-11-30 | 2012-11-30 | Battery charge controlling circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102957195B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269902A (en) * | 2014-10-13 | 2015-01-07 | 成都锐奕信息技术有限公司 | Lithium battery charging circuit capable of fast and stably conducting charging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211445U (en) * | 1988-02-15 | 1988-12-28 | 王宙龙 | Safety charger for crome-nickel cell |
| CN2193616Y (en) * | 1994-05-24 | 1995-03-29 | 魏展生 | Automatic charger with voltage stablizing output |
| CN2439762Y (en) * | 2000-07-13 | 2001-07-18 | 王占明 | DC charging and illumination device |
| CN202906543U (en) * | 2012-11-30 | 2013-04-24 | 费新华 | Battery charging control circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101543668B1 (en) * | 2009-01-07 | 2015-08-12 | 삼성전자주식회사 | Charging circuit having smooth charging transition mode |
-
2012
- 2012-11-30 CN CN201210510763.1A patent/CN102957195B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211445U (en) * | 1988-02-15 | 1988-12-28 | 王宙龙 | Safety charger for crome-nickel cell |
| CN2193616Y (en) * | 1994-05-24 | 1995-03-29 | 魏展生 | Automatic charger with voltage stablizing output |
| CN2439762Y (en) * | 2000-07-13 | 2001-07-18 | 王占明 | DC charging and illumination device |
| CN202906543U (en) * | 2012-11-30 | 2013-04-24 | 费新华 | Battery charging control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102957195A (en) | 2013-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202906543U (en) | Battery charging control circuit | |
| CN205051402U (en) | Lithium batteries control circuit | |
| CN102957195B (en) | Battery charge controlling circuit | |
| CN203014989U (en) | Remote sensing CCD camera power supply driving control circuit | |
| CN202737517U (en) | Charging and discharging control device | |
| CN202797873U (en) | Light-emitting diode (LED) short-circuit protection circuit | |
| CN206060247U (en) | New type of current adjustable band defencive function charging circuit | |
| CN204118791U (en) | The control protection electric circuit of portable power source | |
| CN205283379U (en) | Constant current ignition drive circuit suitable for different explosion bolts | |
| CN204424972U (en) | For the charge protector of capacitance decompression | |
| CN104955193A (en) | LED lamp circuit | |
| CN203205846U (en) | Storage battery protection circuit | |
| CN104836316A (en) | Current-adjustable constant current charging circuit | |
| CN203632326U (en) | Constant current constant voltage charging circuit | |
| CN206036345U (en) | Electromagnetic valve drive circuit | |
| CN203406656U (en) | Charging indication circuit | |
| CN204089284U (en) | A kind of aptitude chargeable circuit and electric terminal equipment | |
| CN204681147U (en) | A kind of constant-current charging circuit of adjustable current | |
| CN204290419U (en) | A kind of charge protector and electronic product | |
| CN206807038U (en) | A kind of intelligent charge control circuit | |
| CN204905373U (en) | A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery | |
| CN204795713U (en) | LED step -down voltage stabilizing circuit | |
| CN203617696U (en) | Cell over-discharge protection circuit | |
| CN204179633U (en) | A kind of short-circuit protection circuit of LED power | |
| CN103311961A (en) | Charger indicating lamp circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAO ZHENLIN Free format text: FORMER OWNER: FEI XINHUA Effective date: 20150324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 313100 HUZHOU, ZHEJIANG PROVINCE TO: 310000 HANGZHOU, ZHEJIANG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20150324 Address after: Hangzhou City, Zhejiang province 310000 395 South Applicant after: Xiao Zhenlin Address before: 313100, Huzhou, Zhejiang, Changxing County town of oasis Campanula phase 16, 301 Applicant before: Fei Xinhua |
|
| ASS | Succession or assignment of patent right |
Owner name: LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG Free format text: FORMER OWNER: XIAO ZHENLIN Effective date: 20150415 Owner name: LISHUI POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG Effective date: 20150415 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Hanbing Inventor after: Chen Xiaochun Inventor after: Wang Yaofei Inventor after: Wang Lina Inventor after: Zhang Sheng Inventor after: Hu Zhihong Inventor before: Fei Xinhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: FEI XINHUA TO: ZHANG HANBING CHEN XIAOCHUN WANG YAOFEI WANG LINA ZHANG SHENG HU ZHIHONG Free format text: CORRECT: ADDRESS; FROM: 310000 HANGZHOU, ZHEJIANG PROVINCE TO: 323000 LISHUI, ZHEJIANG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20150415 Address after: 323000 No. 19 lighthouse street, Xiacheng District, Zhejiang, Lishui Applicant after: Lishui Power Supply Company of State Grid Zhejiang Power Supply Company Applicant after: Electric company of Guo Wang Jinyun county, Zhejiang province county Address before: Hangzhou City, Zhejiang province 310000 395 South Applicant before: Xiao Zhenlin |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |