CN104022553B - Super capacitor charging circuit - Google Patents
Super capacitor charging circuit Download PDFInfo
- Publication number
- CN104022553B CN104022553B CN201410278453.0A CN201410278453A CN104022553B CN 104022553 B CN104022553 B CN 104022553B CN 201410278453 A CN201410278453 A CN 201410278453A CN 104022553 B CN104022553 B CN 104022553B
- Authority
- CN
- China
- Prior art keywords
- super capacitor
- circuit
- charging
- voltage stabilizing
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 48
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 28
- 238000005070 sampling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
Super capacitor charging circuit of the present invention, belongs to the technical field of the charging circuit of super capacitor; The technical problem solved is: provides a kind of and intervenes without the need to MCU and can regulate the super capacitor charging circuit of charging voltage; The technical scheme adopted is: super capacitor charging circuit, comprise: power supply, voltage stabilizing circuit, feedback control circuit and super capacitor group, described power supply is connected with described voltage stabilizing circuit, described voltage stabilizing circuit is connected with described super capacitor group, and described feedback control circuit is connected with described super capacitor group with described voltage stabilizing circuit respectively; The present invention is applicable to charging control techniques field.
Description
Technical field
Super capacitor charging circuit of the present invention, belongs to the technical field of the charging circuit of super capacitor.
Background technology
Ultracapacitor is a kind of novel energy-storing device between battery and traditional capacitor grown up the seventies in 20th century, there is power density big, charge velocities is fast, capacity height, good reversibility, long service life and be easy to the advantages such as maintenance, in addition, the charging and discharging curve of ultracapacitor is different from conventional batteries closer to electrical condenser, can be applied in high peak current in short-term or in field that conventional batteries cannot be applied, adding ultracapacitor, also to have discharge and recharge number of times many, memory cycle length and without the need to advantages such as regular maintenance, therefore, ultracapacitor is the preferred plan substituting the conventional batteries such as lithium cell.
Although market has occurred some charging IC products specially designed for ultracapacitor; these products also have I/O current limit function, automatic battery balance function and other numerous protection functions; but these devices only can provide single or the charging of two series capacitys control; the charging of multiple series capacity cannot be applied to; and in the engineer applied of reality; usually need to be together in series multiple super capacitor work, to provide higher operating voltage and more energy.
Now, mainly contain for the chargingmethod that multiple series capacity is conventional: constant voltage mise-a-la-masse method, constant current charge method, constant power charge method and MCU gather control methods; Constant voltage mise-a-la-masse method refers in process of charging, charging voltage remains constant method, although this method can avoid phase after charging to occur owing to charging current is excessive and cause plate active material to come off and the situation of energy loss, but can due to charging initial stage charging current excessive and exceed electrode allow maximum current, easily make capacitance pole plate benging, cause scrapping of electrical condenser; Constant current charge method refers in process of charging, charging current remains constant method, although the duration of charging that this method can make electric capacity shortens, if but the phase still keeps the size of charging current constant after charging, so electrode voltage will exceed maximum permissible voltage, cause electrolytic solution to precipitate out bubble and too much present boiling state, this not only wastes electric energy, and the temperature easily making battery is too high, causes the decline of electric capacity storage volume and scraps in advance; The power that constant power charge method refers in process of charging, remain constant carries out the method charged, if use this kind of method charging when the Power supply belt loading capability that charges is limited, owing to initial charge voltage is lower, make charging current relatively big, the normal operation of other loads certainly will be affected; MCU gather control methods refer to adopt MCU detect in real time super capacitor group terminal voltage, by analysis with process, obtain corresponding pwm control signal to control turning on and off thus changing the method for charging current of master loop switching tube, although charging current can accurately be controlled by this method as required, but need the intervention of MCU, circuit is more complicated, and cost is higher.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is: provides a kind of and intervenes without the need to MCU and can regulate the super capacitor charging circuit of charging voltage.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: super capacitor charging circuit, comprise: power supply, voltage stabilizing circuit, feedback control circuit and super capacitor group, described power supply is connected with described voltage stabilizing circuit, described voltage stabilizing circuit is connected with described super capacitor group, and described feedback control circuit is connected with described super capacitor group with described voltage stabilizing circuit respectively.
Described voltage stabilizing circuit comprises and has wide input range and export adjustable switching power source chip, described feedback control circuit comprises two-way current collector, being connected with one end and the power supply of decoupling electric capacity C1 for electrical input of described switching power source chip, the output terminal of described switching power source chip connects one end of sampling resistance R1, and the current detecting of two-way current collector just holds, the voltage-regulation control end of described switching power source chip is connected with one end of resistance R3 with one end of resistance R2, the other end of described resistance R3 is connected with the output terminal of described two-way current collector, the current detecting negative terminal of described two-way current collector connects the other end of sampling resistance R1 and the power supply end of described super capacitor group, the other end of described resistance R2 and the equal ground connection of the other end of decoupling electric capacity C1, described super capacitor group comprises multiple ultracapacitor, is cascaded successively between described multiple ultracapacitors, the two ends of each described ultracapacitor all and are connected to a point of compressive resistance, in described multiple ultracapacitors, all and it is connected to a Zener diode at every two non-contacting two ends of adjacent ultracapacitor.
The present invention compared with prior art has following useful effect:
1, in the present invention, charging circuit comprises power supply, voltage stabilizing circuit, feedback control circuit and super capacitor group, power supply is voltage stabilizing circuit offer power supply, voltage stabilizing circuit carries out stable charging to super capacitor group, the circuit that feedback control circuit charges from voltage stabilizing circuit to super capacitor group gathers charging voltage signal, then by charging voltage signal feedback to voltage stabilizing circuit, and then control voltage stabilizing circuit exports suitable charging voltage to super capacitor group, this charging circuit can realize the adjustment to charging voltage without the need to the intervention of MCU, structure is simple, with low cost.
2, in the present invention, voltage stabilizing circuit comprises switching power source chip, feedback control circuit comprises two-way current collector, being connected with power supply for electrical input of switching power source chip, output terminal is connected with super capacitor group, the line of two-way current collector between switching power source chip and super capacitor group carries out the collection of charging voltage signal, and just held by current detecting, the signal collected is inputted its chip internal by current detecting negative terminal, carry to the voltage-regulation control end of switching power source chip by output terminal again after amplifying, the output value of charging voltage is regulated by two-way current collector according to this feedback voltage signal, the charging current of super capacitor group is made to keep constant, along with the continuous rising of charging voltage value, when reaching service voltage value, the charging current of super capacitor group reduces gradually, charge velocities slows down, until automatically stopping charging, in above-mentioned process of charging, the super capacitor in super capacitor group keeps constant current charge, charging efficiency height, and thermal value is little, super capacitor can not cause infringement so that reduce its work-ing life.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail;
Fig. 1 is the frame principle figure of the present invention;
Fig. 2 is the schematic circuit diagram of the present invention;
Fig. 3 is the electrical block diagram that two ultracapacitors are cascaded;
In figure: 1 is power supply, 2 is voltage stabilizing circuit, and 3 is feedback control circuit, and 4 is super capacitor group.
Embodiment
As shown in Figure 1, super capacitor charging circuit, comprise: power supply 1, voltage stabilizing circuit 2, feedback control circuit 3 and super capacitor group 4, described power supply 1 is connected with described voltage stabilizing circuit 2, described voltage stabilizing circuit 2 is connected with described super capacitor group 4, and described feedback control circuit 3 is connected with described super capacitor group 4 with described voltage stabilizing circuit 2 respectively.
As shown in Figure 2, specifically, described voltage stabilizing circuit 2 comprises and has wide input range and export adjustable switching power source chip, switching power source chip in the present embodiment can be the TPS5430DDA chip of TI company, TPS5430DDA chip is step-down switching type integrated voltage-stabilized chip, input voltage range is 5.5V ~ 36V, the uninterrupted current of 3A can be provided to export (peak point current can reach 4A), TPS5430DDA chip has perfect protection circuit, comprise current foldback circuit, overheating protection circuit etc., this chip is utilized only to need few peripheral components just can form efficient voltage stabilizing circuit, described feedback control circuit 3 comprises two-way current collector, two-way current collector in the present embodiment can be the AD8210YRZ chip of AD company, AD8210YRZ chip is current detecting operational amplifier, this chip can amplify the electric current flowing to load through shunt resistance, and output is reference taking ground, the voltage proportional to load current, initial gain is 20V/V, the gain also gain for this reason used in the present embodiment, AD8210YRZ chip has high voltage interface, and two-way current monitoring can be carried out on shunt resistance, simplify the monitoring action of high-side current, AD8210YRZ chip has senior engineer's mould rejection characteristic and outstanding temperature performance, optimum precision can be realized in the application.
Being connected with one end and the power supply 1 of decoupling electric capacity C1 for the electrical input VIN end of TPS5430DDA chip (namely in the present embodiment) of described switching power source chip, the output terminal of the described switching power source chip PH end of TPS5430DDA chip (namely in the present embodiment) connects one end of sampling resistance R1, and the current detecting of two-way current collector just holds+IN the end of AD8210YRZ chip (namely in the present embodiment), the voltage-regulation control end of the described switching power source chip SENSE end of TPS5430DDA chip (namely in the present embodiment) is connected with one end of resistance R3 with one end of resistance R2, the output terminal of the other end of described resistance R3 and the described two-way current collector OUT terminal of AD8210YRZ chip (namely in the present embodiment) is connected, in the present embodiment, the BOOT end of TPS5430DDA chip is connected with one end of electric capacity C2, the other end of electric capacity C2 is connected with the PH end of TPS5430DDA chip, the current detecting negative terminal of the described two-way current collector-IN end of AD8210YRZ chip (namely in the present embodiment) connects the other end of sampling resistance R1 and the power supply end of described super capacitor group 4, in the present embodiment, the reference voltage VREF1 end of AD8210YRZ chip is connected with voltage of supply VDD, the reference voltage VREF2 end of AD8210YRZ chip is connected with the ground terminal of super capacitor group 4, the other end of described resistance R2 and the equal ground connection of the other end of decoupling electric capacity C1,In the present embodiment, the resistance of sampling resistance R1 can be 0.1 ��, and the capacitance of decoupling electric capacity C1 can be 10 �� F, and the capacitance of electric capacity C2 can be 0.01 �� F.
Described super capacitor group 4 comprises multiple ultracapacitor, it is cascaded successively between described multiple ultracapacitors, ultracapacitor in the present embodiment can select the ultracapacitor VEC2R7156QC of VINA company of Korea S, the charge and discharge process of this ultracapacitor is physical process all the time, there is no chemical reaction, stable performance; If the voltage applied is lower than voltage rating, the life-span of ultracapacitor can extend, on the contrary, if applying voltage higher than voltage rating, the life-span of ultracapacitor will shorten, so in order to prevent ultracapacitor because charging voltage too high and damaged, as shown in Figure 3, can at the two ends of each described ultracapacitor all and connect a point of compressive resistance; Due to the difference of capacity of super capacitor, the quantity of electric charge that each electrical condenser stores is unbalanced, in discharge process, may there is negative pressure, electric capacity memory is changed in indivedual electrical condenser, if and electrical condenser works for a long time under contrary polarization state, not only can shorten work-ing life, also can there is the serious damages such as such as electrolyte leakage, so in order to the generation preventing above-mentioned situation, as shown in Figure 3, in described multiple ultracapacitors, all and a Zener diode can be connect at every two non-contacting two ends of adjacent ultracapacitor.
In the present embodiment, setting constant charging current is 600mA, the magnitude of voltage that then OUT terminal of AD8210YRZ chip exports is 20 �� 0.6A �� 0.1 ��=1.2V, and TPS5430DDA chip is by regulating VENSE end to export to 1.22V, the charging initial stage, when charging current is less than (being greater than) 600mA, the VENSE terminal voltage of TPS5430DDA chip is less than (being greater than) 1.22V, TPS5430DDA chip internal regulates and raises (reduction) output voltage, to ensure that charging current remains on 600mA, the charging later stage, when the terminal voltage of ultracapacitor is close to power supply, charging current reduces until stopping charging, charging current in the present embodiment can set according to actual needs, as long as mating the value of suitable resistance R2 and resistance R3.
The present invention also can be lithium cell and charges, only need the lithium cell group that super capacitor group is replaced by relevant voltage, above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make various change under the prerequisite not departing from objective of the present invention.
Claims (1)
1. super capacitor charging circuit, it is characterized in that: comprising: power supply (1), voltage stabilizing circuit (2), feedback control circuit (3) and super capacitor group (4), described power supply (1) is connected with described voltage stabilizing circuit (2), described voltage stabilizing circuit (2) is connected with described super capacitor group (4), and described feedback control circuit (3) is connected with described super capacitor group (4) with described voltage stabilizing circuit (2) respectively;
Described voltage stabilizing circuit (2) comprises and has wide input range and export adjustable switching power source chip, and described feedback control circuit (3) comprises two-way current collector;
Being connected for electrical input one end with decoupling electric capacity C1 and power supply (1) of described switching power source chip, the current detecting of one end and two-way current collector that the output terminal of described switching power source chip connects sampling resistance R1 is just held, the voltage-regulation control end of described switching power source chip is connected with one end of resistance R3 with one end of resistance R2, the other end of described resistance R3 is connected with the output terminal of described two-way current collector, the current detecting negative terminal of described two-way current collector connects the other end of sampling resistance R1 and the power supply end of described super capacitor group (4), the other end of described resistance R2 and the equal ground connection of the other end of decoupling electric capacity C1,
Described super capacitor group (4) comprises multiple ultracapacitor, is cascaded successively between described multiple ultracapacitors;
The two ends of each described ultracapacitor all and are connected to a point of compressive resistance;
In described multiple ultracapacitors, all and it is connected to a Zener diode at every two non-contacting two ends of adjacent ultracapacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278453.0A CN104022553B (en) | 2014-06-20 | 2014-06-20 | Super capacitor charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278453.0A CN104022553B (en) | 2014-06-20 | 2014-06-20 | Super capacitor charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104022553A CN104022553A (en) | 2014-09-03 |
| CN104022553B true CN104022553B (en) | 2016-06-08 |
Family
ID=51439177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410278453.0A Active CN104022553B (en) | 2014-06-20 | 2014-06-20 | Super capacitor charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104022553B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016119169A1 (en) * | 2015-01-29 | 2016-08-04 | 王正权 | Structure of electricity storage apparatus |
| CN110797942B (en) * | 2019-11-05 | 2023-06-02 | 中国船舶重工集团公司第七0五研究所 | Trickle charging circuit based on super capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476585B1 (en) * | 1998-09-03 | 2002-11-05 | Neil S. Simmonds | Battery charger |
| CN200987083Y (en) * | 2006-08-15 | 2007-12-05 | 中电新视界技术有限公司 | Power supply system based on super capacitance and solar cell |
| CN101834472A (en) * | 2010-04-27 | 2010-09-15 | 上海北京大学微电子研究院 | Power management device at receiving terminal and wireless energy supply system |
| CN102611182A (en) * | 2012-03-23 | 2012-07-25 | 徐州市恒源电器有限公司 | Super capacitance charger |
| CN204012796U (en) * | 2014-06-20 | 2014-12-10 | 山西科泰微技术有限公司 | A kind of super capacitor charging circuit |
-
2014
- 2014-06-20 CN CN201410278453.0A patent/CN104022553B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476585B1 (en) * | 1998-09-03 | 2002-11-05 | Neil S. Simmonds | Battery charger |
| CN200987083Y (en) * | 2006-08-15 | 2007-12-05 | 中电新视界技术有限公司 | Power supply system based on super capacitance and solar cell |
| CN101834472A (en) * | 2010-04-27 | 2010-09-15 | 上海北京大学微电子研究院 | Power management device at receiving terminal and wireless energy supply system |
| CN102611182A (en) * | 2012-03-23 | 2012-07-25 | 徐州市恒源电器有限公司 | Super capacitance charger |
| CN204012796U (en) * | 2014-06-20 | 2014-12-10 | 山西科泰微技术有限公司 | A kind of super capacitor charging circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104022553A (en) | 2014-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104201744B (en) | A kind of equalization charging circuit and set of cells | |
| CN203387219U (en) | Electronic cigarette high-efficiency charging device | |
| CN107147197B (en) | Flexible following type intelligent charging method and charging device | |
| CN101986508B (en) | Battery equalizing device | |
| CN102801192A (en) | Wireless sensor network node solar charging and storage battery discharging protective circuit | |
| CN103368233A (en) | Solar power supply system with a plurality of battery packs | |
| CN206164168U (en) | Charging control circuit and charger | |
| CN204407963U (en) | A kind of lithium battery administration module possessing multifunction protection and electric quantity monitoring | |
| CN201733115U (en) | Battery management system | |
| CN104393658B (en) | A kind of energy management circuit | |
| CN102761148A (en) | Battery pack management system | |
| CN211209328U (en) | Battery control system for equalizing charge | |
| CN104022553B (en) | Super capacitor charging circuit | |
| CN104021978A (en) | Constant-current charging switching device for switching-on switching-off capacitor of permanent magnet vacuum switch and control method thereof | |
| CN203788025U (en) | Storage battery charging and discharging management circuit | |
| CN204012796U (en) | A kind of super capacitor charging circuit | |
| CN105006860A (en) | Controllable charge and discharge apparatus and voltage-equalizing circuit of a supercapacitor based on apparatus | |
| CN104935058A (en) | Battery charging circuit used for centralized meter reading terminal products | |
| CN204794241U (en) | Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device | |
| CN212726547U (en) | Solar supplementary power supply system based on primary battery and composite capacitor | |
| CN201629584U (en) | Constant-current and constant-voltage charging circuit | |
| CN201066706Y (en) | Energy balance lead-acid storage battery | |
| CN204155219U (en) | A kind of wireless mouse | |
| Wongdet et al. | Hybrid energy storage system in standalone DC microgrid with ramp rate limitation for extending the lifespan of battery | |
| US20050212483A1 (en) | Charging/discharging management system for lithium battery packs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 030006 Taiyuan province high tech Zone, digital road, No. 3, No. Applicant after: KOTEL SPACEFLIGHT DEFENSE TECHNOLOGY Co.,Ltd. SHANXI Address before: 030006 No. 3, digital road, hi tech Development Zone, Shanxi, Taiyuan, China Applicant before: Kotel Micro Technique Co.,Ltd. Shanxi |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Super capacitor charging circuit Effective date of registration: 20170928 Granted publication date: 20160608 Pledgee: Datong bank Limited by Share Ltd. Pledgor: KOTEL SPACEFLIGHT DEFENSE TECHNOLOGY Co.,Ltd. SHANXI Registration number: 2017140000018 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231213 Granted publication date: 20160608 Pledgee: Datong bank Limited by Share Ltd. Pledgor: KOTEL SPACEFLIGHT DEFENSE TECHNOLOGY Co.,Ltd. SHANXI Registration number: 2017140000018 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Supercapacitor charging circuit Effective date of registration: 20231215 Granted publication date: 20160608 Pledgee: Shanxi Bank Co.,Ltd. Datong Branch Pledgor: KOTEL SPACEFLIGHT DEFENSE TECHNOLOGY Co.,Ltd. SHANXI Registration number: Y2023140000068 |