CN205846829U - A kind of quick-charging circuit of super capacitor - Google Patents
A kind of quick-charging circuit of super capacitor Download PDFInfo
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- CN205846829U CN205846829U CN201620799950.XU CN201620799950U CN205846829U CN 205846829 U CN205846829 U CN 205846829U CN 201620799950 U CN201620799950 U CN 201620799950U CN 205846829 U CN205846829 U CN 205846829U
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Abstract
The utility model discloses the quick-charging circuit of a kind of super capacitor, including Buck converter circuit, current sampling circuit, charge mode control circuit and charging drive circuit, super capacitor is connected with the outfan of Buck converter circuit, current sampling circuit is connected with Buck converter circuit, charge mode control circuit and the outfan of current sampling circuit, the reference voltage output terminal of super capacitor and charging drive circuit is all connected with, charging drive circuit is all connected with the outfan of charge mode control circuit and the outfan of current sampling circuit, Buck converter circuit is connected with the pwm signal outfan of charging drive circuit.Circuit structure of the present utility model is simple, novel in design reasonable, it is achieved convenient and low cost; improve the charging rate of super capacitor, job stability and reliability high, it is possible to be effectively protected the charge-discharge performance of super capacitor; practical, using effect is good, it is simple to promote the use of.
Description
Technical field
This utility model belongs to super capacitor charging circuit technical field, is specifically related to the quick charge of a kind of super capacitor
Circuit.
Background technology
Along with socioeconomic development, people increasingly pay close attention to for green energy resource and ecological environment, and ultracapacitor is made
For a kind of novel energy storage device, the superiority that can not be substituted because of it, increasingly it is subject to people's attention.Super capacitor has to be deposited
Energy storage capacity is big, charging rate is fast, service life cycle length, power density are high, ultralow temperature characteristic is good and environmental protection etc. is many excellent
Point.Compared with accumulator, it has lower series equivalent resistance, longer service life, broader temperature working range, more
Wide voltage change range, the advantage such as non-maintaining and salable.Currently, with respect to the charging modes of super capacitor mainly by following several
Kind, constant-current charge, constant-voltage charge, constant current turn constant-voltage charge, pulse current charge and invariable power charging etc..Constant current is taked to fill
Electricity, the method is fairly simple, if but it disadvantageously, charging current is less, the charging interval can be the longest, if charging current is relatively
Greatly, super capacitor may be caused certain damage by the charging later stage, and large current charge is while realizing shortening the charging interval, super
The energy storage capacity of level capacitor also receives bigger restriction.Constant-voltage charge can the electric double layer of stabilising condenser to a great extent
The stable formation of equilibrium potential, beneficially electric double layer.When constant-voltage charge just starts charge efficiency along with the charging interval increase and
Increase, but when charge efficiency reaches a timing, and charge efficiency will be by low along with the increase in charging interval.Invariable power charging can
Effectively improve charge efficiency, shorten the charging interval, but its control circuit realizes more complicated.Charging modes is to super capacitor
Charge efficiency, stored energy capacitance, the charging interval etc. all has a great impact.But constant-current charge efficiency is high has arrived the later stage of charging
Electric capacity both end voltage is excessive and can affect the stored energy capacitance of super capacitor；Constant-voltage charge efficiency is too low, and the charging interval is slow；Invariable power
Charging control circuit is complicated.So different charging modes can be overcome super capacitor performance in the way of taking combined charging
Impact.But, existing also lack that circuit structure is simple, reasonable in design, functional reliability is high in the art, it is possible to solve super electricity
The super capacitor charging of the charge-discharge performance that hold the drawback brought when single charge mode, super capacitor can be effectively protected
Circuit.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of super
The quick-charging circuit of electric capacity, its circuit structure is simple, novel in design reasonable, it is achieved convenient and low cost, improves super electricity
The charging rate held, job stability and reliability are high, it is possible to be effectively protected the charge-discharge performance of super capacitor, practicality
By force, using effect is good, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: the quick charge of a kind of super capacitor
Circuit, it is characterised in that: include Buck converter circuit that the outfan with voltage source is connected, for Buck converter circuit
Output electric current carry out current sampling circuit, charge mode control circuit and the charging drive circuit sampled, described super capacitor
Being connected with the outfan of Buck converter circuit, described current sampling circuit is connected with Buck converter circuit, described charging mould
Formula control circuit all connects with the reference voltage output terminal of outfan, super capacitor and the charging drive circuit of current sampling circuit
Connecing, described charging drive circuit is all connected with the outfan of charge mode control circuit and the outfan of current sampling circuit, institute
State Buck converter circuit to be connected with the pwm signal outfan of charging drive circuit；
Described charge mode control circuit includes operational amplifier U2 and operational amplifier U3, Zener diode D2, switch
Diode D3 and switching diode D4；The in-phase input end of described operational amplifier U2 is by resistance R5 and current sampling circuit
Outfan connects, and is connected by the anode of resistance R6 and Zener diode D2, and the negative electrode of described Zener diode D2 is with super
The positive pole of electric capacity connects, and the inverting input of described operational amplifier U2 is by the reference electricity of resistance R10 with charging drive circuit
Pressure outfan connects, and by resistance R11 ground connection, is connected to non-between inverting input and the outfan of described operational amplifier U2
Polar capacitor C5, the outfan of described operational amplifier U2 is connected with the anode of switching diode D3；Described operational amplifier U3
In-phase input end be connected with the positive pole of super capacitor by resistance R4, and pass through resistance R3 ground connection, described operational amplifier U3
Inverting input by resistance R8 with charging drive circuit reference voltage output terminal be connected, and pass through resistance R7 ground connection, institute
State and between inverting input and the outfan of operational amplifier U3, be connected to nonpolar electric capacity C6, the output of described operational amplifier U3
End is connected with the anode of switching diode D4；The negative electrode of described switching diode D3 is connected with the negative electrode of switching diode D4 and is
The outfan of charge mode control circuit；
Described charging drive circuit includes chip UC3843 and audion Q2, the 1st pin and the 2nd of described chip UC3843
Being connected to the nonpolar electric capacity C2 and resistance R15 of parallel connection between pin, the 2nd pin of described chip UC3843 controls with charge mode
The outfan of circuit connects, and the 3rd pin of described chip UC3843 is connected by the outfan of resistance R13 with current sampling circuit
Connecing, the 4th pin of described chip UC3843 passes through nonpolar electric capacity C3 ground connection, the 5th pin ground connection of described chip UC3843, institute
Stating and be connected to resistance R12 between the 4th pin and the 8th pin of chip UC3843, the 8th pin of described chip UC3843 is that charging is driven
The reference voltage output terminal on galvanic electricity road, the base stage of described audion Q2 is by the 6th pin of resistance R14 and described chip UC3843
Connect, the grounded emitter of described audion Q2, the current collection of described audion Q2 extremely charge drive circuit pwm signal output
End.
The quick-charging circuit of above-mentioned a kind of super capacitor, it is characterised in that: described Buck converter circuit includes
PMOS switch pipe Q1, fast recovery diode D1, inductance L and polar capacitor C1, the drain electrode of described PMOS switch pipe Q1 and voltage source
Cathode output end connect, be connected to resistance R1, described PMOS switch pipe Q1 between drain electrode and the grid of described PMOS switch pipe Q1
Grid is connected by the pwm signal outfan of resistance R2 with charging drive circuit, one end of described inductance L and soon recovery two poles
The negative electrode of pipe D1 all source class with PMOS switch pipe Q1 are connected, and the anode of described fast recovery diode D1 is defeated with the negative pole of voltage source
Go out end connect and ground connection, the positive pole of described polar capacitor C1 be connected with the other end of inductance L and be Buck converter circuit just
Pole outfan, the cathode output end that negative pole is Buck converter circuit of described polar capacitor C1, the positive pole of described super capacitor
Being connected with the cathode output end of Buck converter circuit, the negative pole of described super capacitor exports with the negative pole of Buck converter circuit
End connects.
The quick-charging circuit of above-mentioned a kind of super capacitor, it is characterised in that: described current sampling circuit is by resistance RS
Constituting, one end of described resistance RS is connected with the cathode output end of Buck converter circuit, the other end ground connection of described resistance RS.
The quick-charging circuit of above-mentioned a kind of super capacitor, it is characterised in that: described audion Q2 is NPN type three pole
Pipe.
This utility model compared with prior art has the advantage that
1, circuit structure of the present utility model is simple, novel in design reasonable, it is achieved convenient and low cost.
2, complete function of the present utility model, it is possible to realize super capacitor constant current, invariable power, three kinds of charge modes of constant voltage
Charging, the conversion of three kinds of charge modes can solve the problem that the drawback that super capacitor brings when single charge mode, plays charging
Power supply usefulness, improves charging rate.
3, this utility model can conveniently realize constant current, invariable power, the conversion of three kinds of charge modes of constant voltage, constant-current charge
It can be avoided that heavy current impact to charge power supply during super capacitor low pressure, and improve charging rate；Invariable power charging can be
While improving charge power supply power utilization, accelerate charging rate；And invariable power charging further increases charge efficiency；
Constant-voltage charge can not only avoid super capacitor because of the internal high temperature impact on its capacity characteristic, turn avoid super capacitor self
The capacitance loss leaked electricity and cause, it is also ensured that super capacitor does not damages because of overcharge.
4, job stability of the present utility model and reliability are high, it is possible to the charge and discharge being effectively protected super capacitor is electrical
Energy.
5, of the present utility model practical, using effect is good, it is simple to promote the use of.
In sum, circuit structure of the present utility model is simple, novel in design reasonable, it is achieved convenient and low cost, improves
The charging rate of super capacitor, job stability and reliability are high, it is possible to be effectively protected the charge-discharge performance of super capacitor,
Practical, using effect is good, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of this utility model super capacitor multi-mode quick-charging circuit.
Fig. 2 is the circuit theory diagrams of this utility model super capacitor multi-mode quick-charging circuit.
Description of reference numerals:
1 Buck converter circuit；2 current sampling circuits；3 charge mode control circuits；
4 charging drive circuits；5 super capacitors；6 voltage sources.
Detailed description of the invention
As it is shown in figure 1, super capacitor multi-mode quick-charging circuit of the present utility model, including the output with voltage source 6
Hold the Buck converter circuit 1 connected, for the current sampling circuit that the output electric current of Buck converter circuit 1 is sampled
2, charge mode control circuit 3 and charging drive circuit 4, described super capacitor 5 connects with the outfan of Buck converter circuit 1
Connecing, described current sampling circuit 2 is connected with Buck converter circuit 1, described charge mode control circuit 3 and current sampling circuit
The reference voltage output terminal of the outfan of 2, super capacitor 5 and charging drive circuit 4 is all connected with, described charging drive circuit 4 with
The outfan of charge mode control circuit 3 and the outfan of current sampling circuit 2 are all connected with, described Buck converter circuit 1 with
The pwm signal outfan of charging drive circuit 4 connects；
As in figure 2 it is shown, described charge mode control circuit 3 includes operational amplifier U2 and operational amplifier U3, voltage stabilizing two
Pole pipe D2, switching diode D3 and switching diode D4；The in-phase input end of described operational amplifier U2 is by resistance R5 and electricity
The outfan of stream sample circuit 2 connects, and is connected by the anode of resistance R6 and Zener diode D2, described Zener diode D2
Negative electrode be connected with the positive pole of super capacitor 5, the inverting input of described operational amplifier U2 by resistance R10 with charging drive
The reference voltage output terminal of circuit 4 connects, and by resistance R11 ground connection, the inverting input of described operational amplifier U2 is with defeated
Going out and be connected to nonpolar electric capacity C5 between end, the outfan of described operational amplifier U2 is connected with the anode of switching diode D3；Institute
The in-phase input end stating operational amplifier U3 is connected with the positive pole of super capacitor 5 by resistance R4, and by resistance R3 ground connection, institute
The inverting input stating operational amplifier U3 is connected by the reference voltage output terminal of resistance R8 with charging drive circuit 4, and logical
Cross resistance R7 ground connection, between inverting input and the outfan of described operational amplifier U3, be connected to nonpolar electric capacity C6, described fortune
The outfan calculating amplifier U3 is connected with the anode of switching diode D4；The negative electrode of described switching diode D3 and switching diode
The negative electrode of D4 connects and is the outfan of charge mode control circuit 3；
As in figure 2 it is shown, described charging drive circuit 4 includes chip UC3843 and audion Q2, described chip UC3843's
Be connected between 1st pin and the 2nd pin parallel connection nonpolar electric capacity C2 and resistance R15, the 2nd pin of described chip UC3843 with
The outfan of charge mode control circuit 3 connects, and the 3rd pin of described chip UC3843 is by resistance R13 and current sample electricity
The outfan on road 2 connects, and the 4th pin of described chip UC3843 passes through nonpolar electric capacity C3 ground connection, described chip UC3843's
5th pin ground connection, is connected to resistance R12 between the 4th pin and the 8th pin of described chip UC3843, described chip UC3843's
8th pin is the reference voltage output terminal of charging drive circuit 4, and the base stage of described audion Q2 is by resistance R14 and described core
6th pin of sheet UC3843 connects, the grounded emitter of described audion Q2, and the current collection of described audion Q2 extremely charges driving
The pwm signal outfan of circuit 4.
In the present embodiment, as in figure 2 it is shown, described Buck converter circuit 1 includes PMOS switch pipe Q1, fast recovery diode
D1, inductance L and polar capacitor C1, the described drain electrode of PMOS switch pipe Q1 is connected with the cathode output end of voltage source 6, described PMOS
Being connected to resistance R1 between drain electrode and the grid of switching tube Q1, the grid of described PMOS switch pipe Q1 is driven with charging by resistance R2
The pwm signal outfan of circuit 4 connects, one end of described inductance L and the negative electrode of fast recovery diode D1 all with PMOS switch pipe
The source class of Q1 connects, and the anode of described fast recovery diode D1 is connected and ground connection with the cathode output end of voltage source 6, described polarity
The positive pole of electric capacity C1 is connected and is the cathode output end of Buck converter circuit 1, described polar capacitor C1 with the other end of inductance L
The cathode output end that negative pole is Buck converter circuit 1, the positive pole of described super capacitor 5 and Buck converter circuit 1 are just
Pole outfan connects, and the negative pole of described super capacitor 5 is connected with the cathode output end of Buck converter circuit 1.During use,
During PMOS switch pipe Q1 conducting, fast recovery diode D1 ends, and voltage source 6 is charged to super capacitor 5, simultaneously by inductance L
The electric current flowing through inductance L is linearly increasing, converts electric energy to Magnetic Energy Storage in inductance L；During PMOS switch pipe Q1 turns off,
Fast recovery diode D1 turns on afterflow, and the electric current flowing through inductance L linearly reduces, and the energy that inductance L stores continues to super capacitor 5
Charging.
In the present embodiment, as in figure 2 it is shown, described current sampling circuit 2 is made up of resistance RS, one end of described resistance RS with
The cathode output end of Buck converter circuit 1 connects, the other end ground connection of described resistance RS.
In the present embodiment, described audion Q2 is NPN type triode.
The method using this utility model to be super capacitor charging, comprises the following steps:
Step one, circuit connect: be connected with the outfan of voltage source 6 by the input of Buck converter circuit 1, and will be super
The level positive pole of electric capacity 5 is connected with the cathode output end of Buck converter circuit 1, by the negative pole of super capacitor 5 and Buck changer
The cathode output end of circuit 1 connects；
Step 2, constant-current charge: when just powering on, the described current sampling circuit 2 output electric current to Buck converter circuit 1
It is transferred to the in-phase input end of operational amplifier U2, operational amplifier U2 through resistance R5 after carrying out sampling and be converted into voltage signal
The charging drive circuit 4 of the voltage of its in-phase input end and its inverting input is exported to compared with its reference voltage, when
When the voltage of its in-phase input end is higher than the reference voltage of its inverting input, the output electric current of Buck converter circuit 1 is described
More than given constant-current charge electric current, now, the output voltage of operational amplifier U2 increases, described charging drive circuit 4 chips
The output duty cycle of UC3843 reduces, and makes the charging current of Buck converter circuit 1 reduce, thus realizes super capacitor 5 constant current
Charging；When just powering on, super capacitor 5 both end voltage is the lowest, and Buck converter circuit 1 works in constant current charging mode；
Step 3, invariable power charge: along with the voltage at super capacitor 5 two ends increases, when the voltage at super capacitor 5 two ends increases
When adding the breakdown voltage reaching Zener diode D2, exceed Zener diode D2 breakdown voltage voltage by resistance R6 with
The in-phase input end of operational amplifier U2 it is added in, along with super capacitor 5 liang after the voltage superposition of described current sampling circuit 2 output
Continuing to increase of terminal voltage (charging voltage) so that the output voltage of operational amplifier U2 increases the most accordingly, described charging drives
The output duty cycle of circuit 4 chips UC3843 reduces, and makes the charging current of Buck converter circuit 1 reduce, thus realizes super
Level electric capacity 5 invariable power charging；Owing to the reference voltage of the inverting input of operational amplifier U2 is constant, therefore along with super capacitor
The increase of 5 both end voltage, when the in-phase input end voltage of operational amplifier U2 increases, in order to maintain, operational amplifier U2's is same
Phase input terminal voltage is constant, forces the output duty cycle of described charging drive circuit 4 chips UC3843 to reduce, makes Buck convert
The charging current of device circuit 1 reduces, and power is constant, thus realizes the charging of super capacitor 5 invariable power；
Step 4, constant-voltage charge: along with super capacitor 5 both end voltage continues to increase, when the voltage at super capacitor 5 two ends increases
When being added to higher than the constant-voltage charge magnitude of voltage set, the voltage of the in-phase input end of the operational amplifier U3 i.e. electricity at resistance R3 two ends
The charging drive circuit 4 of the pressure inverting input higher than operational amplifier U3 exports to its reference voltage, operational amplifier U3
Output voltage increase, the output duty cycle of described charging drive circuit 4 chips UC3843 reduces, and makes Buck converter circuit
The charging voltage of 1 reduces, thus realizes super capacitor 5 constant-voltage charge.It is floating charge pattern.When being embodied as, according to super electricity
Holding rated voltage and set constant-voltage charge magnitude of voltage, the constant-voltage charge being increased above setting when the voltage at super capacitor 5 two ends is electric
During pressure value, the voltage that resistance R3 divides has been more than the voltage that resistance R7 divides, and the output voltage of operational amplifier U3 increases, described
The output duty cycle of charging drive circuit 4 chips UC3843 reduces, and makes the charging voltage of Buck converter circuit 1 reduce, from
And realize super capacitor 5 constant-voltage charge.
In step 2, step 3 and step 4, when the output voltage of operational amplifier U2 increases or operational amplifier U3
When output voltage increases, the feedback voltage of the 2nd pin of chip UC3843 also increases, the 6th pin output of chip UC3843
The dutycycle of PWM ripple reduces, it will making the ON time of audion Q2 reduce, the ON time of PMOS switch pipe Q1 subtracts the most therewith
Little, corresponding output electric current or voltage also reduce, so that the charging current of super capacitor 5, power or voltage stabilization.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. the quick-charging circuit of a super capacitor, it is characterised in that: include the Buck being connected with the outfan of voltage source (6)
Converter circuit (1), for Buck converter circuit (1) export current sampling circuit (2) that electric current samples, charging
Mode control circuit (3) and charging drive circuit (4), described super capacitor (5) connects with the outfan of Buck converter circuit (1)
Connecing, described current sampling circuit (2) is connected with Buck converter circuit (1), and described charge mode control circuit (3) is adopted with electric current
The reference voltage output terminal of the outfan of sample circuit (2), super capacitor (5) and charging drive circuit (4) is all connected with, described charging
Drive circuit (4) is all connected with the outfan of charge mode control circuit (3) and the outfan of current sampling circuit (2), described
Buck converter circuit (1) is connected with the pwm signal outfan of charging drive circuit (4)；
Described charge mode control circuit (3) includes operational amplifier U2 and operational amplifier U3, Zener diode D2, switchs two
Pole pipe D3 and switching diode D4；The in-phase input end of described operational amplifier U2 is by resistance R5 and current sampling circuit (2)
Outfan connect, and is connected by the anode of resistance R6 and Zener diode D2, the negative electrode of described Zener diode D2 and surpassing
The positive pole of level electric capacity (5) connects, and the inverting input of described operational amplifier U2 is by resistance R10 and charging drive circuit (4)
Reference voltage output terminal connect, and by resistance R11 ground connection, the inverting input of described operational amplifier U2 and outfan it
Between be connected to nonpolar electric capacity C5, the outfan of described operational amplifier U2 is connected with the anode of switching diode D3；Described computing
The in-phase input end of amplifier U3 is connected with the positive pole of super capacitor (5) by resistance R4, and by resistance R3 ground connection, described fortune
The inverting input calculating amplifier U3 is connected by the reference voltage output terminal of resistance R8 with charging drive circuit (4), and passes through
Resistance R7 ground connection, is connected to nonpolar electric capacity C6, described computing between inverting input and the outfan of described operational amplifier U3
The outfan of amplifier U3 is connected with the anode of switching diode D4；The negative electrode of described switching diode D3 and switching diode D4
Negative electrode connect and be the outfan of charge mode control circuit (3)；
Described charging drive circuit (4) includes chip UC3843 and audion Q2, the 1st pin and the 2nd of described chip UC3843
Being connected to the nonpolar electric capacity C2 and resistance R15 of parallel connection between pin, the 2nd pin of described chip UC3843 controls with charge mode
The outfan of circuit (3) connects, and the 3rd pin of described chip UC3843 is by the output of resistance R13 with current sampling circuit (2)
End connects, and the 4th pin of described chip UC3843 passes through nonpolar electric capacity C3 ground connection, and the 5th pin of described chip UC3843 connects
Ground, is connected to resistance R12 between the 4th pin and the 8th pin of described chip UC3843, the 8th pin of described chip UC3843 is
The reference voltage output terminal of charging drive circuit (4), the base stage of described audion Q2 is by resistance R14 and described chip UC3843
The 6th pin connect, the grounded emitter of described audion Q2, the current collection of described audion Q2 extremely charges drive circuit (4)
Pwm signal outfan.
2. according to the quick-charging circuit of a kind of super capacitor described in claim 1, it is characterised in that: described Buck changer
Circuit (1) includes PMOS switch pipe Q1, fast recovery diode D1, inductance L and polar capacitor C1, the leakage of described PMOS switch pipe Q1
Pole is connected with the cathode output end of voltage source (6), is connected to resistance R1 between drain electrode and the grid of described PMOS switch pipe Q1, described
The grid of PMOS switch pipe Q1 is connected by the pwm signal outfan of resistance R2 with charging drive circuit (4), described inductance L's
The negative electrode of one end and fast recovery diode D1 all source class with PMOS switch pipe Q1 are connected, the anode of described fast recovery diode D1
Being connected and ground connection with the cathode output end of voltage source (6), the positive pole of described polar capacitor C1 is connected with the other end of inductance L and is
The cathode output end of Buck converter circuit (1), the negative pole of described polar capacitor C1 is that the negative pole of Buck converter circuit (1) is defeated
Going out end, the positive pole of described super capacitor (5) is connected with the cathode output end of Buck converter circuit (1), described super capacitor (5)
Negative pole be connected with the cathode output end of Buck converter circuit (1).
3. according to the quick-charging circuit of a kind of super capacitor described in claim 1, it is characterised in that: described current sample electricity
Road (2) is made up of resistance RS, and one end of described resistance RS is connected with the cathode output end of Buck converter circuit (1), described electricity
The other end ground connection of resistance RS.
4. according to the quick-charging circuit of a kind of super capacitor described in claim 1, it is characterised in that: described audion Q2 is
NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620799950.XU CN205846829U (en) | 2016-07-27 | 2016-07-27 | A kind of quick-charging circuit of super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620799950.XU CN205846829U (en) | 2016-07-27 | 2016-07-27 | A kind of quick-charging circuit of super capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN205846829U true CN205846829U (en) | 2016-12-28 |
Family
ID=57640985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620799950.XU Expired - Fee Related CN205846829U (en) | 2016-07-27 | 2016-07-27 | A kind of quick-charging circuit of super capacitor |
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| Country | Link |
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| CN (1) | CN205846829U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294175A (en) * | 2017-08-03 | 2017-10-24 | 覃振武 | Quick charge device, quick charging system and desktop computer based on Buck circuits |
| CN109038741A (en) * | 2018-08-16 | 2018-12-18 | 上海艾为电子技术股份有限公司 | A kind of charging circuit and switched charge chip and its charge current sample 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 |
| CN106026334B (en) * | 2016-07-27 | 2019-01-11 | 西安科技大学 | Super capacitor three stage charging system circuit and its method for super capacitor fast charging |
-
2016
- 2016-07-27 CN CN201620799950.XU patent/CN205846829U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026334B (en) * | 2016-07-27 | 2019-01-11 | 西安科技大学 | Super capacitor three stage charging system circuit and its method for super capacitor fast charging |
| CN107294175A (en) * | 2017-08-03 | 2017-10-24 | 覃振武 | Quick charge device, quick charging system and desktop computer based on Buck circuits |
| CN109038741A (en) * | 2018-08-16 | 2018-12-18 | 上海艾为电子技术股份有限公司 | A kind of charging circuit and switched charge chip and its charge current sample circuit |
| CN109038741B (en) * | 2018-08-16 | 2023-11-28 | 上海艾为电子技术股份有限公司 | Charging circuit, switch charging chip and charging current sampling circuit thereof |
| 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 |
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