CN102545346A - Thermoelectric-conversion-based charging power supply management circuit - Google Patents
Thermoelectric-conversion-based charging power supply management circuit Download PDFInfo
- Publication number
- CN102545346A CN102545346A CN2012100631743A CN201210063174A CN102545346A CN 102545346 A CN102545346 A CN 102545346A CN 2012100631743 A CN2012100631743 A CN 2012100631743A CN 201210063174 A CN201210063174 A CN 201210063174A CN 102545346 A CN102545346 A CN 102545346A
- Authority
- CN
- China
- Prior art keywords
- links
- electrochemical capacitor
- port
- positive pole
- resistance
- 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.)
- Pending
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a thermoelectric-conversion-based charging power supply management circuit. According to the thermoelectric-conversion-based charging power supply management circuit, a voltage stabilizing circuit processes unstable voltage output by a thermoelectric power generation module and outputs stable voltage, and a lithium battery pack is charged by an intelligent charging circuit. A thermoelectric-conversion-based thermoelectric power generation power supply supplies power, the voltage with a fixed value is output after filtering and stabilization are performed, and the lithium battery pack is charged through the charging circuit. The circuit has the advantages that: the circuit has a few types of constitutional elements and is easy to actually manufacture and test, and the like. The elements used by the thermoelectric-conversion-based charging power supply management circuit are mature, reliable, low in cost and rich in source.
Description
Technical field
The invention belongs to the industrial control technology field, relate to a kind of circuit, be specifically related to a kind of charge power supply management circuit based on the thermoelectricity conversion.
Background technology
Power supply is one of parameter common and the most basic in the commercial production, often needs in process of production power supply is carried out storage and management.Yet adopt the difficult problem of power supply of appearance to the number of the inside thermometric of rotation agitated reactor under the high temperature explosive rotating environment in the commercial production; Traditional power management; Be to change storage battery after utilizing charging modes to charge in batteries again to adopt the appearance power supply, but the frequent change storage battery has influenced commercial production efficient to number; Be directly to utilize wired supply power mode, but this mode is worthless under the environment of rotation, therefore needs a kind of more power management of intelligence.
Summary of the invention
The object of the invention is exactly the deficiency to prior art, and a kind of simple in structure, low in energy consumption, cost is low, real-time is good charge power supply management circuit based on the thermoelectricity conversion is provided.
The present invention includes temperature-difference power generation module, voltage stabilizing circuit module, charging circuit module and lithium ionic cell module.
Temperature-difference power generation module is exported unsettled voltage and is given the voltage stabilizing circuit module, gives the charging circuit module through voltage stabilizing circuit output burning voltage, and the charging circuit module is given the charging of lithium battery module.
Temperature-difference power generation module comprises thermo-electric generation power supply P2, has output port 1 and 2 two ports of output port.
The voltage stabilizing circuit module comprises electrochemical capacitor C5, electrochemical capacitor C6, electrochemical capacitor C7, voltage stabilizing chip U1, rectifier diode D3 and rectifier diode D4, variable resistor R6 and variable resistor R8.The port 2 of thermo-electric generation power supply P2 links to each other with the positive pole of electrochemical capacitor C5, electrochemical capacitor C7, and the port one of thermo-electric generation power supply P2 links to each other with the negative pole of electrochemical capacitor C5, electrochemical capacitor C7.The V of voltage stabilizing chip U1
INPort links to each other with the positive pole of electrochemical capacitor C5, the V of voltage stabilizing chip U1
OUTPort links to each other with the positive pole of electrochemical capacitor C6, and the GND port of voltage stabilizing chip U1 links to each other with the anode of rectifier diode D4.The V of the negative electrode of rectifier diode D3 and voltage stabilizing chip U1
INPort links to each other, the V of the anode of rectifier diode D3 and voltage stabilizing chip U1
OUTPort links to each other.The end of variable resistor R6 links to each other with the negative electrode of rectifier diode D4, and the other end of variable resistor R6 links to each other with the GND port of sliding end with voltage stabilizing chip U1.The end of variable resistor R8 links to each other with the GND port of voltage stabilizing chip U1, and the another port of variable resistor R8 links to each other with the negative pole of sliding end with electrochemical capacitor C5.The minus earth of electrochemical capacitor C5.The V of the positive pole of electrochemical capacitor C6 and voltage stabilizing chip U1
OUTPort links to each other, the minus earth of electrochemical capacitor C6.
The charging circuit module comprises rectifier diode D2, electrochemical capacitor C3, electrochemical capacitor C4, electrochemical capacitor C1, electrochemical capacitor C2, PNP transistor Q1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, light-emitting diode D1, charging chip U2.The negative electrode of rectifier diode D2 links to each other with the positive pole of electrochemical capacitor C6, and the anode of commutating pole pipe D2 links to each other with the negative pole of electrochemical capacitor C6.The positive pole of electrochemical capacitor C3 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C3 links to each other with the negative pole of electrochemical capacitor C6.The positive pole of electrochemical capacitor C4 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C4 links to each other with the negative pole of electrochemical capacitor C6.One end of resistance R 1 links to each other with the SNS port of charging chip U2, and the other end of resistance R 1 links to each other with the VCC port of charging chip U2.The VCC port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4; The VSS port of charging chip U2 links to each other with the negative pole of electrochemical capacitor C4, and the SNS port of charging chip U2 links to each other with the emitter E of PNP transistor Q1, and the CC port of charging chip U2 links to each other with an end of resistance R 2; The other end of resistance R 2 links to each other with the base stage B of transistor Q1; The COMP port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4, and the BAT port of charging chip U2 links to each other with the collector electrode C of transistor Q1, and the TS port of charging chip U2 links to each other with an end of resistance R 4; The other end ground connection of resistance R 4, the STAT port of charging chip U2 links to each other with the anode of light-emitting diode D1.The negative electrode of light-emitting diode D1 links to each other with an end of resistance R 3, the other end ground connection of resistance R 3.The positive pole of electrochemical capacitor C2 links to each other the minus earth of electrochemical capacitor C2 with the VCC port of charging chip U2.One end of resistance R 5 links to each other with the TS port of charging chip U2, and the other end of resistance R 5 links to each other with the positive pole of electrochemical capacitor C4.The positive pole of electrochemical capacitor C1 links to each other the minus earth of electrochemical capacitor C1 with the collector electrode C of transistor Q1.
Lithium ionic cell module comprises lithium ion battery group P1, thermistor R7.Thermistor R7 one end links to each other with the positive pole of lithium ion battery group P1, and the other end of thermistor R7 links to each other with the TS port of charging chip U2, and thermistor R7 is close to lithium ion battery group P1.The positive pole of lithium ion battery group P1 links to each other with the positive pole of electrochemical capacitor C1, and the negative pole of lithium ion battery group P1 links to each other with the negative pole of electrochemical capacitor C1.
Charge power supply management circuit based on the thermoelectricity conversion of the present invention has handles the stable voltage of output with the unsettled voltage of temperature-difference power generation module output through voltage stabilizing circuit, and through the effect of aptitude chargeable circuit to the charging of lithium battery group.Power supply comes from the thermo-electric generation power supply of thermoelectric conversion, after filtering, voltage stabilizing, and the voltage of output fixed value, and handle, advantage such as to the charging of lithium battery group, it is few that circuit has the components and parts of formation kind, and actual fabrication, test are simple through charging circuit.The components and parts mature and reliable that the present invention adopts, with low cost, the source is abundant.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing further to the present invention's explanation.
The present invention includes temperature-difference power generation module, voltage stabilizing circuit module, charging circuit module and lithium ionic cell module.
Temperature-difference power generation module is exported unsettled voltage and is given the voltage stabilizing circuit module, gives the charging circuit module through voltage stabilizing circuit output burning voltage, and the charging circuit module is given the charging of lithium battery module.
Temperature-difference power generation module comprises thermo-electric generation power supply P2, has output port 1 and 2 two ports of output port.
The voltage stabilizing circuit module comprises electrochemical capacitor C5, electrochemical capacitor C6, electrochemical capacitor C7, voltage stabilizing chip U1, rectifier diode D3 and rectifier diode D4, variable resistor R6 and variable resistor R8.The port 2 of thermo-electric generation power supply P2 links to each other with the positive pole of electrochemical capacitor C5, electrochemical capacitor C7; The port one of thermo-electric generation power supply P2 links to each other with the negative pole of electrochemical capacitor C5, electrochemical capacitor C7, and the effect of electrochemical capacitor C7 is filtering, and a small amount of high frequency waveforms is filtered out; The effect of electrochemical capacitor C5 is to decouple; Play the effect of " battery " exactly, satisfy the variation of circuital current, avoid mutual coupled interference.The V of voltage stabilizing chip U1
INPort links to each other with the positive pole of electrochemical capacitor C5, the V of voltage stabilizing chip U1
OUTPort links to each other with the positive pole of electrochemical capacitor C6, and the GND port of voltage stabilizing chip U1 links to each other with the anode of rectifier diode D4.The V of the negative electrode of rectifier diode D3 and voltage stabilizing chip U1
INPort links to each other, the V of the anode of rectifier diode D3 and voltage stabilizing chip U1
OUTPort links to each other, and rectifier diode D3 and rectifier diode D4 are as the device of protective circuit, and the high pressure when preventing the capacitor discharge in the circuit burns out voltage stabilizing chip U1.The end of variable resistor R6 links to each other with the negative electrode of rectifier diode D4, and the other end of variable resistor R6 links to each other with the GND port of sliding end with voltage stabilizing chip U1.The end of variable resistor R8 links to each other with the GND port of voltage stabilizing chip U1, and the another port of variable resistor R8 links to each other with the negative pole of sliding end with electrochemical capacitor C5.The minus earth of electrochemical capacitor C5.Voltage stabilizing chip U1 adopts LM317, and output voltage is 1.2V to 37V, and maximum output voltage is greater than 1.5A.Output voltage is relevant with variable resistor R8 with variable resistor R6.According to the actual needs of circuit, the resistance of adjustment variable resistor R6 and variable resistor R8, thus obtain needed magnitude of voltage.The V of the positive pole of electrochemical capacitor C6 and voltage stabilizing chip U1
OUTPort links to each other, the minus earth of electrochemical capacitor C6, and the effect of filtering is played in the effect of electrochemical capacitor C6.
The charging circuit module comprises rectifier diode D2, electrochemical capacitor C3, electrochemical capacitor C4, electrochemical capacitor C1, electrochemical capacitor C2, PNP transistor Q1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, light-emitting diode D1, charging chip U2.The negative electrode of rectifier diode D2 links to each other with the positive pole of electrochemical capacitor C6, and the anode of commutating pole pipe D2 links to each other with the negative pole of electrochemical capacitor C6, and rectifier diode D2 is as the device of protective circuit, and the high pressure when preventing the capacitor discharge in the circuit burns out voltage stabilizing chip U1.The positive pole of electrochemical capacitor C3 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C3 links to each other with the negative pole of electrochemical capacitor C6.The positive pole of electrochemical capacitor C4 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C4 links to each other with the negative pole of electrochemical capacitor C6.Electrochemical capacitor C4 is as big electric capacity (1000 μ F) filter low frequency, and electrochemical capacitor C3 is as little electric capacity (0.1 μ F) filter high frequency.One end of resistance R 1 links to each other with the SNS port of charging chip U2, and the other end of resistance R 1 links to each other with the VCC port of charging chip U2.The VCC port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4; The VSS port of charging chip U2 links to each other with the negative pole of electrochemical capacitor C4, and the SNS port of charging chip U2 links to each other with the emitter E of PNP transistor Q1, and the CC port of charging chip U2 links to each other with an end of resistance R 2; The other end of resistance R 2 links to each other with the base stage B of transistor Q1; The COMP port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4, and the BAT port of charging chip U2 links to each other with the collector electrode C of transistor Q1, and the TS port of charging chip U2 links to each other with an end of resistance R 4; The other end ground connection of resistance R 4, the STAT port of charging chip U2 links to each other with the anode of light-emitting diode D1.The negative electrode of light-emitting diode D1 links to each other with an end of resistance R 3, the other end ground connection of resistance R 3.The positive pole of electrochemical capacitor C2 links to each other the minus earth of electrochemical capacitor C2 with the VCC port of charging chip U2.One end of resistance R 5 links to each other with the TS port of charging chip U2, and the other end of resistance R 5 links to each other with the positive pole of electrochemical capacitor C4.The positive pole of electrochemical capacitor C1 links to each other the minus earth of electrochemical capacitor C1 with the collector electrode C of transistor Q1.
Lithium ionic cell module comprises lithium ion battery group P1, thermistor R7.Thermistor R7 one end links to each other with the positive pole of lithium ion battery group P1, and the other end of thermistor R7 links to each other with the TS port of charging chip U2, and thermistor R7 is close to lithium ion battery group P1.The positive pole of lithium ion battery group P1 links to each other with the positive pole of electrochemical capacitor C1, and the negative pole of lithium ion battery group P1 links to each other with the negative pole of electrochemical capacitor C1.
Thermo-electric generation power supply P2 among the present invention is that subsequent conditioning circuit provides power supply.Electrochemical capacitor C5, electrochemical capacitor C7 form the filtering decoupling circuit, and the effect of electrochemical capacitor C7 is filtering, and with a small amount of high frequency waveforms filtering in the voltage, the effect of electrochemical capacitor C5 is to decouple, and avoids the mutual coupled interference of element.Electrochemical capacitor C6, voltage stabilizing chip U1, rectifier diode D3 and rectifier diode D4, variable resistor R6 and variable resistor R8 form adjustable voltage stabilizing circuit; Through regulating the resistance of variable resistor R6 and variable resistor R8; Thereby make the stable voltage of VOUT port output of voltage stabilizing chip U1, rectifier diode D3 and rectifier diode D4 play and avoid voltage stabilizing chip U1 to be reversed the effect that electric current damages.Rectifier diode D2 is as the device of protective circuit, and the high pressure when preventing the capacitor discharge in the circuit burns out voltage stabilizing chip U1.Electrochemical capacitor C4, electrochemical capacitor C3 form the filtering decoupling circuit, and electrochemical capacitor C4 carries out filtering to the voltage of voltage stabilizing chip U1 output, and electrochemical capacitor C3 decouples to the voltage of voltage stabilizing chip U1 output.Electrochemical capacitor C1, electrochemical capacitor C2, PNP transistor Q1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, light-emitting diode D1, charging chip U2 constitute charging circuit together.Voltage through charging chip U2 monitoring lithium ion battery group P1 carries out Charge Management; Thermistor R7 cooperates Charge Management as the temperature that temperature sensor detects lithium ion battery group P1; And, finally realize the intelligent charge management of lithium ion battery group P1 through the state (charged state, charging completion, temperature fault or dormancy) that light-emitting diode D1 shows charging.
Claims (1)
1. the charge power supply management circuit based on the thermoelectricity conversion comprises temperature-difference power generation module, voltage stabilizing circuit module, charging circuit module and lithium ionic cell module, it is characterized in that:
Temperature-difference power generation module is exported unsettled voltage and is given the voltage stabilizing circuit module, gives the charging circuit module through voltage stabilizing circuit output burning voltage, and the charging circuit module is given the charging of lithium battery module;
Temperature-difference power generation module comprises thermo-electric generation power supply P2, has output port 1 and 2 two ports of output port;
The voltage stabilizing circuit module comprises electrochemical capacitor C5, electrochemical capacitor C6, electrochemical capacitor C7, voltage stabilizing chip U1, rectifier diode D3 and rectifier diode D4, variable resistor R6 and variable resistor R8; The port 2 of thermo-electric generation power supply P2 links to each other with the positive pole of electrochemical capacitor C5, electrochemical capacitor C7, and the port one of thermo-electric generation power supply P2 links to each other with the negative pole of electrochemical capacitor C5, electrochemical capacitor C7; The V of voltage stabilizing chip U1
INPort links to each other with the positive pole of electrochemical capacitor C5, the V of voltage stabilizing chip U1
OUTPort links to each other with the positive pole of electrochemical capacitor C6, and the GND port of voltage stabilizing chip U1 links to each other with the anode of rectifier diode D4; The V of the negative electrode of rectifier diode D3 and voltage stabilizing chip U1
INPort links to each other, the V of the anode of rectifier diode D3 and voltage stabilizing chip U1
OUTPort links to each other; The end of variable resistor R6 links to each other with the negative electrode of rectifier diode D4, and the other end of variable resistor R6 links to each other with the GND port of sliding end with voltage stabilizing chip U1; The end of variable resistor R8 links to each other with the GND port of voltage stabilizing chip U1, and the another port of variable resistor R8 links to each other with the negative pole of sliding end with electrochemical capacitor C5; The minus earth of electrochemical capacitor C5; The V of the positive pole of electrochemical capacitor C6 and voltage stabilizing chip U1
OUTPort links to each other, the minus earth of electrochemical capacitor C6;
The charging circuit module comprises rectifier diode D2, electrochemical capacitor C3, electrochemical capacitor C4, electrochemical capacitor C1, electrochemical capacitor C2, PNP transistor Q1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, light-emitting diode D1, charging chip U2; The negative electrode of rectifier diode D2 links to each other with the positive pole of electrochemical capacitor C6, and the anode of commutating pole pipe D2 links to each other with the negative pole of electrochemical capacitor C6; The positive pole of electrochemical capacitor C3 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C3 links to each other with the negative pole of electrochemical capacitor C6; The positive pole of electrochemical capacitor C4 links to each other with the positive pole of electrochemical capacitor C6, and the negative pole of electrochemical capacitor C4 links to each other with the negative pole of electrochemical capacitor C6; One end of resistance R 1 links to each other with the SNS port of charging chip U2, and the other end of resistance R 1 links to each other with the VCC port of charging chip U2; The VCC port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4; The VSS port of charging chip U2 links to each other with the negative pole of electrochemical capacitor C4, and the SNS port of charging chip U2 links to each other with the emitter E of PNP transistor Q1, and the CC port of charging chip U2 links to each other with an end of resistance R 2; The other end of resistance R 2 links to each other with the base stage B of transistor Q1; The COMP port of charging chip U2 links to each other with the positive pole of electrochemical capacitor C4, and the BAT port of charging chip U2 links to each other with the collector electrode C of transistor Q1, and the TS port of charging chip U2 links to each other with an end of resistance R 4; The other end ground connection of resistance R 4, the STAT port of charging chip U2 links to each other with the anode of light-emitting diode D1; The negative electrode of light-emitting diode D1 links to each other with an end of resistance R 3, the other end ground connection of resistance R 3; The positive pole of electrochemical capacitor C2 links to each other the minus earth of electrochemical capacitor C2 with the VCC port of charging chip U2; One end of resistance R 5 links to each other with the TS port of charging chip U2, and the other end of resistance R 5 links to each other with the positive pole of electrochemical capacitor C4; The positive pole of electrochemical capacitor C1 links to each other the minus earth of electrochemical capacitor C1 with the collector electrode C of transistor Q1;
Lithium ionic cell module comprises lithium ion battery group P1, thermistor R7; Thermistor R7 one end links to each other with the positive pole of lithium ion battery group P1, and the other end of thermistor R7 links to each other with the TS port of charging chip U2, and thermistor R7 is close to lithium ion battery group P1; The positive pole of lithium ion battery group P1 links to each other with the positive pole of electrochemical capacitor C1, and the negative pole of lithium ion battery group P1 links to each other with the negative pole of electrochemical capacitor C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100631743A CN102545346A (en) | 2012-03-12 | 2012-03-12 | Thermoelectric-conversion-based charging power supply management circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100631743A CN102545346A (en) | 2012-03-12 | 2012-03-12 | Thermoelectric-conversion-based charging power supply management circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102545346A true CN102545346A (en) | 2012-07-04 |
Family
ID=46351541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100631743A Pending CN102545346A (en) | 2012-03-12 | 2012-03-12 | Thermoelectric-conversion-based charging power supply management circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102545346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236721A (en) * | 2013-03-28 | 2013-08-07 | 杭州电子科技大学 | Single lithium-ion battery charged circuit based on semiconductor thermoelectric power generation |
| CN106816893A (en) * | 2015-11-27 | 2017-06-09 | 英业达科技有限公司 | Using the charge and discharge device of thermoelectric conversion effect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6172486B1 (en) * | 1999-09-24 | 2001-01-09 | The United States Of America As Represented By The Secretary Of The Army | Battery life extender with engine heat |
| CN201388067Y (en) * | 2009-02-18 | 2010-01-20 | 王开全 | Multifunctional USB charging seat |
| CN202524113U (en) * | 2012-03-12 | 2012-11-07 | 杭州电子科技大学 | Charging power supply management circuit based on thermoelectric conversion |
-
2012
- 2012-03-12 CN CN2012100631743A patent/CN102545346A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6172486B1 (en) * | 1999-09-24 | 2001-01-09 | The United States Of America As Represented By The Secretary Of The Army | Battery life extender with engine heat |
| CN201388067Y (en) * | 2009-02-18 | 2010-01-20 | 王开全 | Multifunctional USB charging seat |
| CN202524113U (en) * | 2012-03-12 | 2012-11-07 | 杭州电子科技大学 | Charging power supply management circuit based on thermoelectric conversion |
Non-Patent Citations (5)
| Title |
|---|
| 《电子产品世界》 20021031 魏维伟等 先进的锂电池线性充电管理芯片BQ2057应用 , * |
| 《电源技术》 20060131 林玉兰等 基于半导体温差发电模块的锂电池充电装置 第30卷, 第1期 * |
| 林玉兰等: "基于半导体温差发电模块的锂电池充电装置", 《电源技术》 * |
| 陈艳丽等: "矿用投入式水位传感器", 《煤矿安全》 * |
| 魏维伟等: "先进的锂电池线性充电管理芯片BQ2057应用", 《电子产品世界》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236721A (en) * | 2013-03-28 | 2013-08-07 | 杭州电子科技大学 | Single lithium-ion battery charged circuit based on semiconductor thermoelectric power generation |
| CN106816893A (en) * | 2015-11-27 | 2017-06-09 | 英业达科技有限公司 | Using the charge and discharge device of thermoelectric conversion effect |
| CN106816893B (en) * | 2015-11-27 | 2019-05-17 | 英业达科技有限公司 | Utilize the charge and discharge device of thermoelectric conversion effect |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107834519B (en) | Lithium battery protection control ASIC chip system | |
| CN103413985B (en) | Environmental temperature-based quick charging method of lead-acid storage battery for electric motor car | |
| WO2016019886A1 (en) | Lithium ion storage battery and charge/discharge control method therefor | |
| CN204465104U (en) | A kind of portable set charging power source circuit | |
| CN102545346A (en) | Thermoelectric-conversion-based charging power supply management circuit | |
| CN202524113U (en) | Charging power supply management circuit based on thermoelectric conversion | |
| CN204967352U (en) | Mobile power source | |
| CN102891521B (en) | Battery charging circuit | |
| CN204481518U (en) | A kind of solar powered power circuit | |
| CN203119577U (en) | Single section lithium ion battery charging circuit based on semiconductor thermoelectric power | |
| CN103259295A (en) | Portable electronic device with solar charging function | |
| CN103779839B (en) | A kind of automatic shutoff start-up circuit adopting rechargeable battery to power | |
| CN103236721A (en) | Single lithium-ion battery charged circuit based on semiconductor thermoelectric power generation | |
| CN204189062U (en) | Mu balanced circuit | |
| CN104143846B (en) | Multifunctional intelligent mobile power supply | |
| CN105897160A (en) | Photovoltaic module with hot spot warning function | |
| CN203722214U (en) | Self-switching-off starting circuit powered by rechargeable battery | |
| CN204481503U (en) | A kind of level lithium battery charging management circuit | |
| CN201985584U (en) | Charging circuit for lithium iron phosphate charging battery | |
| CN101388553A (en) | Current charger | |
| CN201113501Y (en) | Battery charge up circuit | |
| CN202178593U (en) | MPPT solar charge-discharge controller | |
| CN204696767U (en) | A kind of solar charging controller | |
| CN210053234U (en) | Multiport charging sound box circuit | |
| CN204597625U (en) | A kind of dual power supply 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 | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120704 |