CN110138050A - A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode - Google Patents
A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode Download PDFInfo
- Publication number
- CN110138050A CN110138050A CN201910514670.8A CN201910514670A CN110138050A CN 110138050 A CN110138050 A CN 110138050A CN 201910514670 A CN201910514670 A CN 201910514670A CN 110138050 A CN110138050 A CN 110138050A
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- connect
- switching tube
- flop
- rest
- output end
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- 239000003990 capacitor Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005669 field effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 206010037660 Pyrexia Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of distribution terminal super capacitor charging circuits of peak value comparison method mode, including switching tube.The output end of switching tube is connect with one end of the cathode of diode D, inductance L respectively；The anode connection for entering outlet and DC power supply of switching tube；The control terminal of switching tube and the output end of driving circuit connect.The other end of inductance L connect and is provided in connection line current sensor T with the anode of supercapacitor C, for detecting the electric current for flowing through the route.The plus earth of the cathode, diode D of supercapacitor C.The output end of current sensor T is connect with comparator first end, and comparator second end is connect with reference voltage point, and the output end of comparator and the end R of rest-set flip-flop connect；The end S of rest-set flip-flop is connect with impulse generator；The output end of rest-set flip-flop and the input terminal of driving circuit connect.Its structure is simple, reliable and stable, can effectively solve the problem that the problems such as charging rate is slow, low efficiency, volume are big, fever is big.
Description
Technical field
The present invention relates to super capacitor charging technique field, in particular to a kind of distribution terminal of peak value comparison method mode
Super capacitor charging circuit.
Background technique
Feed line automatization terminal (Feeder Terminal Unit, abbreviation FTU) is electrical power distribution automatization system and once set
The standby interface being coupled can control under given conditions a switchgear division, according to the action logic of setting to reach failure
The functions such as positioning, Fault Isolation and non-faulting region fast recovery of power supply.
By " DL/T 721-2013 distribution automation remote terminal " requirement, FTU generally uses plumbic acid storage battery or super electricity
Hold and is used as backup power supply.Since super capacitor fills, power density is high, charging rate is fast, discharge current is big, long service life, not dirty
The advantages that contaminating environment, is used widely in distribution automation remote terminal.However, generally being limited at this stage using power resistor
Stream mode gives super capacitor charging, and this charging modes charging rate is slow, low efficiency, power resistor volume is big, charging when generate heat
Greatly.In FTU, the application of this kind of charging modes receives significant limitation.
Summary of the invention
To solve the above problems, the present invention adopts the following technical scheme that realization:
A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode, including switching tube, diode D, inductance L,
Current sensor T, supercapacitor C, comparator, rest-set flip-flop, impulse generator and driving circuit；
The output end of switching tube is connect with one end of the cathode of diode D, inductance L respectively；Switching tube enters outlet and direct current
The anode connection in source；The control terminal of switching tube and the output end of driving circuit connect；
The plus earth of diode D；
The other end of inductance L is connect with the anode of supercapacitor C；
It is provided with current sensor T on route between the other end of inductance L and the anode of supercapacitor C, is used for detection stream
Cross the electric current of the route；
The cathode of supercapacitor C is grounded；
The output end of current sensor T is connect with comparator first end, and comparator second end is connect with reference voltage point, comparator
Output end and rest-set flip-flop the end R connect；The end S of rest-set flip-flop is connect with impulse generator；The output end of rest-set flip-flop with
The input terminal of driving circuit connects.
Preferably, the switching tube is field-effect tube.
Preferably, the driving circuit includes UC3840 control chip.
Current sensor T output termination hysteresis comparator inverting input terminal, hysteresis comparator normal phase input end connect with reference to electricity
Press Vref, comparator output terminal connects the R input of rest-set flip-flop, the S input of the output termination rest-set flip-flop of cycle pulse generator
End, the Q output of rest-set flip-flop connect the input terminal of driving circuit, the grid of driving circuit output termination Mosfet are connect, by right
The output electric current i of BUCK direct-current voltage reducing circuit0Peak value is controlled, to achieve the purpose that gently to charge to super capacitor C.This electricity
Line structure is simple, easy to accomplish, reliable and stable, can effectively solve the problem that charging rate is slow, low efficiency, power resistor volume is big, fills
It generates heat when electric the problems such as big.
Detailed description of the invention
Fig. 1 is circuit structure diagram provided by the invention；
Fig. 2 is control waveform diagram provided by the invention；
Fig. 3 is analogous diagram provided by the invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application embodiment clearer, implement below in conjunction with the application
Attached drawing 1 ~ 3 in mode, is clearly and completely described the technical solution in the application embodiment, it is clear that described
Embodiment is a part of embodiment of the application, rather than whole embodiments.Based on the embodiment in the application, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to this Shen
The range that please be protect.Therefore, the detailed description of the presently filed embodiment provided in the accompanying drawings is not intended to limit below
Claimed scope of the present application, but it is merely representative of the selected embodiment of the application.Based on the embodiment party in the application
Formula, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all belongs to
In the range of the application protection.
As shown in Figure 1, a kind of distribution terminal super capacitor charging circuit of peak value comparison method mode, including switching tube,
Diode D, inductance L, current sensor T, supercapacitor C, comparator, rest-set flip-flop, impulse generator and driving circuit.
Switching tube be field-effect tube (Mosfet), the output end (source electrode) of switching tube respectively with the cathode of diode D, inductance
One end of L connects；The outlet (drain electrode) that enters of switching tube is connect with the anode of DC power supply；The control terminal (grid) and drive of switching tube
The output end connection of dynamic circuit.
The plus earth of diode D.
The other end of inductance L is connect with the anode of supercapacitor C, the cathode ground connection of supercapacitor C.Supercapacitor
C is connect with FTU, provides electric energy for it.
It is provided with current sensor T on route between the other end of inductance L and the anode of supercapacitor C, for examining
The electric current of the excessively described route of flow measurement.Current sensor T, which can be, to be series in test line, i.e., pin welds on the line.
It is also possible to ring structure to be arranged on the line.It is not specifically limited herein, purpose is exactly to pass through mutual inductor to obtain line in a word
The current signal of road, and voltage is obtained by way of parallel resistance.
The output end of current sensor T is connect with comparator first end (positive input terminal), comparator second end (negative input
End) it is connect with reference voltage point.Reference voltage point is provided by reference voltage circuit, which can be using mature module generation
It replaces.
The output end of comparator and the end R of rest-set flip-flop connect.The end S of rest-set flip-flop is connect with impulse generator.RS touching
The input terminal of the output end and driving circuit of sending out device connects.Driving circuit controls chip using UC3840, for realizing switching tube
Control.
Switching tube, diode D, inductance L combination constitute the non-isolated topological direct-current voltage reducing circuit of BUCK, BUCK DC decompression electricity
Road input termination DC power anode, BUCK direct-current voltage reducing circuit output termination super capacitor anode, current sensor T is by BUCK
Direct-current voltage reducing circuit inductive currenti o Scaling transformation is at voltage VTOutput.Current sensor T output termination hysteresis comparator reverse phase
Input terminal, hysteresis comparator normal phase input end meet reference voltage Vref, comparator output terminal connects the R input of rest-set flip-flop, period
The S input terminal of the output termination rest-set flip-flop of impulse generator, the Q output of rest-set flip-flop connect the input terminal of driving circuit, connect
The grid of driving circuit output termination Mosfet.
Current sensor T exports VT=n×i o ,nThe constant being positive is big by adjusting current sensor resistor parameter change
It is small.The inverting input terminal of current sensor T output access comparator.When impulse generator output pulse signal, rest-set flip-flop is defeated
High level out moves switching tube Mosfet conducting through overdrive circuit rear-guard, and inductive current rises.Current sensor T exports VT>
VrefWhen, comparator exports high level, and rest-set flip-flop exports low level, switching tube Mosfet cut-off is moved through overdrive circuit rear-guard,
Inductive current decline.Fig. 2 is waveform diagram provided by the invention, and Fig. 3 is simulation results on examples.
The present invention connects reference using current sensor T output termination comparator inverting input terminal, comparator normal phase input end
Voltage Vref, comparator output terminal connects the R input of rest-set flip-flop, and the S of the output termination rest-set flip-flop of cycle pulse generator is defeated
Enter end, the Q output of rest-set flip-flop connects the input terminal of driving circuit, connects the grid of driving circuit output termination Mosfet, passes through
To the output electric current i of BUCK direct-current voltage reducing circuit0Peak value is controlled, to achieve the purpose that gently to charge to super capacitor C.This
Circuit structure is simple, easy to accomplish, reliable and stable, can effectively solve the problem that charging rate is slow, low efficiency, power resistor volume is big,
It generates heat when charging the problems such as big.
Claims (3)
1. a kind of distribution terminal super capacitor charging circuit of peak value comparison method mode, which is characterized in that including switching tube, two
Pole pipe D, inductance L, current sensor T, supercapacitor C, comparator, rest-set flip-flop, impulse generator and driving circuit；
The output end of switching tube is connect with one end of the cathode of diode D, inductance L respectively；Switching tube enters outlet and direct current
The anode connection in source；The control terminal of switching tube and the output end of driving circuit connect；
The plus earth of diode D；
The other end of inductance L is connect with the anode of supercapacitor C；
It is provided with current sensor T on route between the other end of inductance L and the anode of supercapacitor C, is used for detection stream
Cross the electric current of the route；
The cathode of supercapacitor C is grounded；
The output end of current sensor T is connect with comparator first end, and comparator second end is connect with reference voltage point, comparator
Output end and rest-set flip-flop the end R connect；The end S of rest-set flip-flop is connect with impulse generator；The output end of rest-set flip-flop with
The input terminal of driving circuit connects.
2. the distribution terminal super capacitor charging circuit of peak value comparison method mode according to claim 1, feature exist
In:
The switching tube is field-effect tube.
3. the distribution terminal super capacitor charging circuit of peak value comparison method mode according to claim 1, feature exist
In:
The driving circuit includes UC3840 control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514670.8A CN110138050A (en) | 2019-06-14 | 2019-06-14 | A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514670.8A CN110138050A (en) | 2019-06-14 | 2019-06-14 | A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110138050A true CN110138050A (en) | 2019-08-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514670.8A Pending CN110138050A (en) | 2019-06-14 | 2019-06-14 | A kind of distribution terminal super capacitor charging circuit of peak value comparison method mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797948A (en) * | 2019-11-18 | 2020-02-14 | 深圳市群芯科创电子有限公司 | Fast charging control circuit |
| CN112968495A (en) * | 2021-03-03 | 2021-06-15 | 惠州Tcl移动通信有限公司 | Mobile terminal and method for controlling power on or off |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060145665A1 (en) * | 2004-12-30 | 2006-07-06 | Linear Technology Corporation | Power management circuit and methodology for battery-powered systems |
| CN102364864A (en) * | 2011-10-28 | 2012-02-29 | 西安交通大学 | PWM control circuit and control method for peak current mode inverter |
| CN102545624A (en) * | 2011-12-22 | 2012-07-04 | 成都成电硅海科技股份有限公司 | Power supply circuit |
| CN103079322A (en) * | 2013-01-28 | 2013-05-01 | 成都启臣微电子有限公司 | Closed loop light-emitting diode (LED) current control circuit and power-switching circuit |
| JP2013229968A (en) * | 2012-04-24 | 2013-11-07 | Semiconductor Components Industries Llc | Charge control circuit and charging circuit |
| CN204741302U (en) * | 2015-06-12 | 2015-11-04 | 重庆科创职业学院 | Mobile unit's supply circuit |
| CN105356546A (en) * | 2015-12-01 | 2016-02-24 | 黄钦阳 | Switch charging control circuit |
| CN109193865A (en) * | 2018-10-29 | 2019-01-11 | 广西电网有限责任公司电力科学研究院 | A kind of distribution terminal super capacitor charging circuit of Hysteresis control |
-
2019
- 2019-06-14 CN CN201910514670.8A patent/CN110138050A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060145665A1 (en) * | 2004-12-30 | 2006-07-06 | Linear Technology Corporation | Power management circuit and methodology for battery-powered systems |
| CN102364864A (en) * | 2011-10-28 | 2012-02-29 | 西安交通大学 | PWM control circuit and control method for peak current mode inverter |
| CN102545624A (en) * | 2011-12-22 | 2012-07-04 | 成都成电硅海科技股份有限公司 | Power supply circuit |
| JP2013229968A (en) * | 2012-04-24 | 2013-11-07 | Semiconductor Components Industries Llc | Charge control circuit and charging circuit |
| CN103079322A (en) * | 2013-01-28 | 2013-05-01 | 成都启臣微电子有限公司 | Closed loop light-emitting diode (LED) current control circuit and power-switching circuit |
| CN204741302U (en) * | 2015-06-12 | 2015-11-04 | 重庆科创职业学院 | Mobile unit's supply circuit |
| CN105356546A (en) * | 2015-12-01 | 2016-02-24 | 黄钦阳 | Switch charging control circuit |
| CN109193865A (en) * | 2018-10-29 | 2019-01-11 | 广西电网有限责任公司电力科学研究院 | A kind of distribution terminal super capacitor charging circuit of Hysteresis control |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797948A (en) * | 2019-11-18 | 2020-02-14 | 深圳市群芯科创电子有限公司 | Fast charging control circuit |
| CN110797948B (en) * | 2019-11-18 | 2021-10-08 | 深圳市群芯科创电子有限公司 | Fast charging control circuit |
| CN112968495A (en) * | 2021-03-03 | 2021-06-15 | 惠州Tcl移动通信有限公司 | Mobile terminal and method for controlling power on or off |
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Application publication date: 20190816 |