CN202260547U - Charging circuit for charging super capacitor - Google Patents
Charging circuit for charging super capacitor Download PDFInfo
- Publication number
- CN202260547U CN202260547U CN2011203873783U CN201120387378U CN202260547U CN 202260547 U CN202260547 U CN 202260547U CN 2011203873783 U CN2011203873783 U CN 2011203873783U CN 201120387378 U CN201120387378 U CN 201120387378U CN 202260547 U CN202260547 U CN 202260547U
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- Prior art keywords
- triode
- charging
- super capacitor
- emitter
- pin
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Abstract
The utility model relates to a charging circuit for charging a super capacitor. The charging circuit is characterized by comprising a reset chip for detection with voltage, a rectifier diode, a first triode, a second triode, a third triode, a first resistor, a second resistor, a third resistor and a fourth resistor, wherein two ends of the first resistor are connected with an emitter and a collector of the second triode respectively; two ends of the third resistor are connected between the emitter of the second triode and a base of the third triode respectively; the base of the third triode is connected with a connector of the first triode; two ends of the fourth resistor are connected with a base of the first triode and a first pin of the reset chip respectively; an anode of the rectifier diode is connected with the collector of the second triode; a cathode of the rectifier diode is connected with a second pin of the reset chip; an emitter of the third triode, and an emitter of the first triode are connected with a third pin and a ground (GND) of the reset chip; the emitter of the second triode is used as a charging voltage Vin input port; and the super capacitor required to be charged is connected between the second pin and the ground (GND) of the reset chip. The charging circuit for charging the super capacitor has the advantages of high reliability, accurate control over charging voltage, low cost, full utilization of the electric capacity of the super capacitor, high-current charging and low self power consumption.
Description
Technical field
The utility model relates to a kind of charging circuit to the super capacitor charging.
Background technology
Super capacitor also call draws electric capacity, is a kind of energy storage device of vast capacity, compared with the electric capacity of routine, with under the volume, is thousands of times of conventional capacitance, in some small hand-held generating equipments, is used for storage power.Because present super capacitor allows large current charge, is particularly suitable for solar panel electricity generation system and hand generator etc., and large current charge can be provided, the short time is full of super capacitor.But the super capacitor rated voltage is all lower, has only 2.1V-2.7V usually, if after charging reaches rated voltage, continues charging, will damage super capacitor.The charging circuit of routine falls with voltage-stabiliser tube and triode BE extreme pressure usually and controls charging voltage, has relatively mistake because voltage-stabiliser tube and triode BE extreme pressure fall like this, therefore causes super capacitor to charge and does not reach rated voltage or surpass rated voltage.
Summary of the invention
The utility model purpose is to provide a kind of charging circuit that charges to super capacitor cheaply, and it utilizes low-cost device general on the market, and its charging voltage is accurate, can make full use of the capacitance of super capacitor, can large current charge, little from power consumption.
In order to achieve the above object; The technical scheme of the utility model is: a kind of charging circuit to super capacitor charging is characterized in that comprising the chip that resets, rectifier diode, first triode, second triode, the 3rd triode and first to fourth resistance of detection with voltage; Wherein the two ends of first resistance are connected between the emitter and collector of second triode; The two ends of the 3rd resistance are connected between the base stage of emitter and the 3rd triode of second triode; The base stage of the 3rd triode is connected with the collector electrode of first triode; The two ends of the 4th resistance connect the base stage of first triode and 1 pin of the chip that resets respectively; The anode of rectifier diode connects the collector electrode of second triode, and the negative electrode of rectifier diode connects 2 pin of the chip that resets, and 3 pin of the emitter of the emitter of the 3rd triode and first triode and the chip that resets link together with ground GND; The emitter of second triode is as charging voltage Vin input port, is connected the super capacitor of needs charging between 2 pin of the chip that resets and ground GND.
The utility model advantage compared with prior art is: high reliability, accurately control charging voltage, cost is low, can make full use of the capacitance of super capacitor, can large current charge, little from power consumption.
Description of drawings
Fig. 1 is the schematic block circuit diagram of electric the utility model;
Fig. 2 is the electrical schematic diagram that the utility model is connected with solar panel.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed explanation.
As shown in Figure 1; A kind of charging circuit to the super capacitor charging, the utility model characteristics are the chip IC3 that resets, rectifier diode D5, the first triode Q1, the second triode Q2, the 3rd triode Q3 and the first to fourth resistance R 1-R4 that comprise detection with voltage; Wherein the two ends of first resistance R 1 are connected between the emitter and collector of the second triode Q2; The two ends of the 3rd resistance R 3 are connected between the base stage of emitter and the 3rd triode Q3 of the second triode Q2; The base stage of the 3rd triode Q3 is connected with the collector electrode of the first triode Q1; The two ends of the 4th resistance R 4 connect the base stage of the first triode Q1 and 1 pin of the chip IC3 that resets respectively; The anode of rectifier diode D5 connects the collector electrode of the second triode Q2, and the negative electrode of rectifier diode D5 connects 2 pin of the chip IC3 that resets, and 3 pin of the emitter of the emitter of the 3rd triode Q3 and the first triode Q1 and the chip IC3 that resets link together with ground GND; The emitter of the second triode Q2 is as charging voltage Vin input port, is connected the super capacitor C1 of needs charging between 2 pin of the chip IC3 that resets and ground GND.
Its operation principle is: 2 pin of the chip IC3 that resets detect super capacitor C1 to be charged; If voltage does not reach requirement; The 1 pin output low level of chip IC3 then resets; Control the conducting of the second triode Q2 through the first triode Q1, the 3rd triode Q3, input voltage vin is given super capacitor C1 charging through the second triode Q2.If super capacitor C1 charging reaches assigned voltage, the 1 pin output high level of the chip IC3 that resets is closed the second triode Q2, no longer gives super capacitor C1 charging.Rectifier diode D5 plays the super capacitor electric leakage effect that prevents.
Referring to Fig. 2; The Vin input that the output of the positive pole of solar panel connects a kind of charging circuit to the super capacitor charging i.e. the emitter of the second triode Q2, and the GND input that the negative pole output of solar panel connects a kind of charging circuit to the super capacitor charging is a ground connection.The electric weight that solar panel sends is given super capacitor C1 charging through charging circuit; When detecting super capacitor C1 charging, the chip IC3 that resets reaches rated voltage; The reset 1 pin output high level of chip IC3, the second triode Q2 ends, and solar panel stops super capacitor C1 is charged.
Claims (1)
1. charging circuit to super capacitor charging is characterized in that comprising the chip that resets (IC3), rectifier diode (D5), first triode (Q1), second triode (Q2), the 3rd triode (Q3) and first to fourth resistance (R1-R4) of detection with voltage; Wherein the two ends of first resistance (R1) are connected between the emitter and collector of second triode (Q2); The two ends of the 3rd resistance (R3) are connected between the base stage of emitter and the 3rd triode (Q3) of second triode (Q2); The base stage of the 3rd triode (Q3) is connected with the collector electrode of first triode (Q1); The two ends of the 4th resistance (R4) connect the base stage of first triode (Q1) and 1 pin of the chip (IC3) that resets respectively; The anode of rectifier diode (D5) connects the collector electrode of second triode (Q2); The negative electrode of rectifier diode (D5) connects 2 pin of the chip that resets (IC3); 3 pin of the emitter of the emitter of the 3rd triode (Q3) and first triode (Q1) and the chip (IC3) that resets link together with ground GND, and the emitter of second triode (Q2) is as charging voltage Vin input port, are connected the super capacitor (C1) that needs charge between 2 pin of the chip that resets (IC3) and ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203873783U CN202260547U (en) | 2011-10-13 | 2011-10-13 | Charging circuit for charging super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203873783U CN202260547U (en) | 2011-10-13 | 2011-10-13 | Charging circuit for charging super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260547U true CN202260547U (en) | 2012-05-30 |
Family
ID=46121731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203873783U Expired - Lifetime CN202260547U (en) | 2011-10-13 | 2011-10-13 | Charging circuit for charging super capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260547U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501031A (en) * | 2013-10-09 | 2014-01-08 | 山东康威通信技术股份有限公司 | Super capacitor charging control circuit |
| CN108073260A (en) * | 2017-04-07 | 2018-05-25 | 丁贤根 | A kind of method and system for overcharging reset |
| CN108599559A (en) * | 2018-06-06 | 2018-09-28 | 青岛海信电器股份有限公司 | Electric power controller and electronic equipment |
-
2011
- 2011-10-13 CN CN2011203873783U patent/CN202260547U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501031A (en) * | 2013-10-09 | 2014-01-08 | 山东康威通信技术股份有限公司 | Super capacitor charging control circuit |
| CN103501031B (en) * | 2013-10-09 | 2016-01-27 | 山东康威通信技术股份有限公司 | A kind of super capacitor charging control circuit |
| CN108073260A (en) * | 2017-04-07 | 2018-05-25 | 丁贤根 | A kind of method and system for overcharging reset |
| CN108599559A (en) * | 2018-06-06 | 2018-09-28 | 青岛海信电器股份有限公司 | Electric power controller and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131204 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: Midea Group Co., Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WUHU MEIZHI AIR CONDITIONING EQUIPMENT CO., LTD. Assignor: Midea Group Co., Ltd. Contract record no.: 2014440000237 Denomination of utility model: Charging circuit for charging super capacitor Granted publication date: 20120530 License type: Exclusive License Record date: 20140528 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |