CN204858710U - Quick charging circuit of polymer lithium cell - Google Patents
Quick charging circuit of polymer lithium cell Download PDFInfo
- Publication number
- CN204858710U CN204858710U CN201520457530.9U CN201520457530U CN204858710U CN 204858710 U CN204858710 U CN 204858710U CN 201520457530 U CN201520457530 U CN 201520457530U CN 204858710 U CN204858710 U CN 204858710U
- Authority
- CN
- China
- Prior art keywords
- resistance
- triode
- charging circuit
- voltage stabilizing
- electric capacity
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a quick charging circuit of polymer lithium cell, including voltage stabilizing circuit and with voltage stabilizing circuit electric connection's charging circuit, voltage stabilizing circuit includes transformer X1, bridge rectifier BR1, stabiliser IC2, electric capacity C1 and electric capacity C2, and charging circuit includes chip IC1, triode VT1, triode VT2, diode D1, diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C3, electric capacity C4, emitting diode LED1 and battery. Become mains voltage into the required voltage of battery through the transformer X1 among the voltage stabilizing circuit, bridge rectifier BR1 and stabiliser IC2, and chip IC1 can provide the sampling voltage value by battery charging voltage among the charging circuit to can carry out quick charging to a lesson or multisection polymerization physics electricity, set up the stabiliser in addition in the circuit to and triode and diode, make whole quick charging circuit stability good, excellent performance, simple structure moreover.
Description
Technical field
The utility model relates to poly-lithium battery technical field, more particularly relates to a kind of poly-lithium battery quick-charging circuit.
Background technology
Quick charge refers to and can in 1 to 5h, battery be reached or the close a kind of charging method being full of electricity condition completely.The quick-charging circuit of current use can not stop charging sometimes reliably, therefore, safety of charging can not be guaranteed, charging circuit poor performance, stability is bad, and adopting traditional quick-charging circuit can impact the performance of battery and life-span battery charging, circuit structure is also relatively complicated.The quick-charging circuit used at present in addition all can only carry out quick charge to a batteries, if charged to multiple batteries just do not reach the effect of quick charge, its range of application is narrow.
Utility model content
For deficiency of the prior art, it is simple that the technical problems to be solved in the utility model there are provided a kind of circuit, function admirable, can carry out the poly-lithium battery quick-charging circuit of quick charge to a joint or more piece poly-lithium battery.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of poly-lithium battery quick-charging circuit, the charging circuit comprising voltage stabilizing circuit and be electrically connected with voltage stabilizing circuit;
Described voltage stabilizing circuit comprises transformer X1, bridge rectifier BR1, pressurizer IC2, electric capacity C1 and electric capacity C2, pin 2 and the pin 4 of transformer X1 and bridge rectifier BR1 are connected, the input 1 of pressurizer IC2 connects described charging circuit by electric capacity C1, output 2 one aspect of pressurizer IC2 directly connects described charging circuit, described charging circuit is connected on the other hand by electric capacity C2, the earth terminal 3 of pressurizer IC2 connects described charging circuit, the pin 1 of bridge rectifier BR1 connects described charging circuit, the pin 3 of bridge rectifier BR1 connects the node between the output 2 of electric capacity C1 and pressurizer IC2,
Described charging circuit comprises chip IC 1, triode VT1, triode VT2, diode D1, diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C3, electric capacity C4, LED 1 and battery, and the pin 1 of chip IC 1 connects described voltage stabilizing circuit; The pin 2 of chip IC 1 is connected the output 2 of described pressurizer IC2 with the series circuit of LED 1 by resistance R1; Pin 3 one aspect of chip IC 1 connects described voltage stabilizing circuit by electric capacity C3, the node on the other hand between contact resistance R5 and resistance R6; The pin 4 of chip IC 1 connects described voltage stabilizing circuit; Pin 5 one aspect of chip IC 1 connects described voltage stabilizing circuit by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; Pin 6 one aspect of chip IC 1 connects described voltage stabilizing circuit by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; The pin 7 of chip IC 1 connects described voltage stabilizing circuit; Node between the pin 8 contact resistance R4 of chip IC 1 and the base stage of triode VT1; The emitter of triode VT1 connects described voltage stabilizing circuit by resistance R7, the base stage of the collector electrode one side connecting triode VT2 of triode VT1, one end of contact resistance R2 on the other hand, the other end of resistance R2 connects the output 2 of described pressurizer IC2 on the one hand, connect diode D1, resistance R3, resistance R5 and resistance R6 in turn on the other hand, resistance R6 connects described voltage stabilizing circuit; Node between the emitter contact resistance R2 of triode VT2 and diode D1, the collector electrode of triode VT2 connects the positive pole of battery by diode D2, the negative pole of battery connects described voltage stabilizing circuit.
Further, the model of described pressurizer IC2 is 7805.
Further, the model of four diodes in described bridge rectifier BR1 is IN4004.
Further, the model of described chip IC 1 is BQ2002.
Further, described triode VT1 is NPN type triode, and its model is ZN3904; Described triode VT2 is PNP type triode, and its model is MPS750.
Further, the model of described diode D1 is IN4148; The model of described diode D2 is IN4001.
Supply voltage to be become the voltage needed for battery by the transformer X1 in voltage stabilizing circuit, bridge rectifier BR1 and pressurizer IC2 by poly-lithium battery quick-charging circuit of the present utility model, and charging circuit chips IC1 can provide sampling voltage value by battery charging voltage, thus can charge fast to a joint or more piece polymerization physics electricity, applied range; In addition pressurizer is set in circuit, and triode and diode, make whole quick-charging circuit good stability, function admirable, and structure is simple.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model poly-lithium battery quick-charging circuit.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is explained in detail.
As shown in Figure 1, a kind of poly-lithium battery quick-charging circuit, the charging circuit 20 comprising voltage stabilizing circuit 10 and be electrically connected with voltage stabilizing circuit;
Voltage stabilizing circuit 10 comprises transformer X1, bridge rectifier BR1, pressurizer IC2, electric capacity C1 and electric capacity C2, pin 2 and the pin 4 of transformer X1 and bridge rectifier BR1 are connected, the input 1 of pressurizer IC2 connects charging circuit by electric capacity C1, output 2 one aspect of pressurizer IC2 directly connects charging circuit 10, charging circuit 10 is connected on the other hand by electric capacity C2, the earth terminal 3 of pressurizer IC2 connects ground connection after charging circuit, the pin 1 of bridge rectifier BR1 connects charging circuit 20, the pin 3 of bridge rectifier BR1 connects the node between the output 2 of electric capacity C1 and pressurizer IC2.The model of pressurizer IC2 is 7805, and the model of four diodes in bridge rectifier BR1 is IN4004.
AC power is through transformer X1 step-down, and the rectification of bridge rectifier BR1, after the filtering of electric capacity C1, becomes 5V power supply to supply to battery with pressurizer IC2 voltage stabilizing.
Charging circuit 20 comprises chip IC 1, triode VT1, triode VT2, diode D1, diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C3, electric capacity C4, LED 1 and battery, and the pin 1 of chip IC 1 connects voltage stabilizing circuit 20; The pin 2 of chip IC 1 is connected the output 2 of described pressurizer IC2 with the series circuit of LED 1 by resistance R1; Pin 3 one aspect of chip IC 1 connects voltage stabilizing circuit 20 by electric capacity C3, the node on the other hand between contact resistance R5 and resistance R6; The pin 4 of chip IC 1 connects voltage stabilizing circuit 20; Pin 5 one aspect of chip IC 1 connects voltage stabilizing circuit 20 by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; Pin 6 one aspect of chip IC 1 connects voltage stabilizing circuit 20 by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; The pin 7 of chip IC 1 connects voltage stabilizing circuit 20; Node between the pin 8 contact resistance R4 of chip IC 1 and the base stage of triode VT1; The emitter of triode VT1 connects voltage stabilizing circuit 20 by resistance R7, the base stage of the collector electrode one side connecting triode VT2 of triode VT1, one end of contact resistance R2 on the other hand, the other end of resistance R2 connects the output 2 of described pressurizer IC2 on the one hand, connect diode D1, resistance R3, resistance R5 and resistance R6, resistance R6 on the other hand in turn and connect voltage stabilizing circuit 20; Node between the emitter contact resistance R2 of triode VT2 and diode D1, the collector electrode of triode VT2 connects the positive pole of battery by diode D2, the negative pole of battery connects voltage stabilizing circuit 20.The model of chip IC 1 is BQ2002, and triode VT1 is NPN type triode, and its model is ZN3904; Described triode VT2 is PNP type triode, and its model is MPS750; The model of diode D1 is IN4148, and the model of diode D2 is IN4001.
After charging starts, whether normally chip BQ2002 judges cell voltage and temperature according to the input of BAT and TS, if cell voltage and temperature exceed the condition and range of quick charge, the speed determined with TM end is started trickle charge by chip BQ2002, otherwise, just start to carry out quick charge.
Poly-lithium battery quick-charging circuit of the present utility model comprises transformer X1, pressurizer IC2, diode, triode, resistance and chip BQ2002, pressurizer 7805 provides 5V charging voltage, cell voltage is sent to the BAT end of chip BQ2002 after resistance R5, resistance R6, for it provides sampling voltage.In addition in circuit resistance pressure-dividing network be input to BAT end resistance should not be less than 200 kilo-ohms, when TM hold ground connection time, the corresponding charge rate that fills soon is 1C, and filling the prolongation is soon 80min.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a poly-lithium battery quick-charging circuit, is characterized in that: the charging circuit (20) comprising voltage stabilizing circuit (10) and be electrically connected with voltage stabilizing circuit;
Described voltage stabilizing circuit (10) comprises transformer X1, bridge rectifier BR1, pressurizer IC2, electric capacity C1 and electric capacity C2, pin 2 and the pin 4 of transformer X1 and bridge rectifier BR1 are connected, the input 1 of pressurizer IC2 connects described charging circuit (20) by electric capacity C1, output 2 one aspect of pressurizer IC2 directly connects described charging circuit (20), described charging circuit (20) is connected on the other hand by electric capacity C2, the earth terminal 3 of pressurizer IC2 connects described charging circuit (20), the pin 1 of bridge rectifier BR1 connects described charging circuit (20), the pin 3 of bridge rectifier BR1 connects the node between the output 2 of electric capacity C1 and pressurizer IC2,
Described charging circuit (20) comprises chip IC 1, triode VT1, triode VT2, diode D1, diode D2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C3, electric capacity C4, LED 1 and battery, and the pin 1 of chip IC 1 connects described voltage stabilizing circuit (10); The pin 2 of chip IC 1 is connected the output 2 of described pressurizer IC2 with the series circuit of LED 1 by resistance R1; Pin 3 one aspect of chip IC 1 connects described voltage stabilizing circuit (10) by electric capacity C3, the node on the other hand between contact resistance R5 and resistance R6; The pin 4 of chip IC 1 connects described voltage stabilizing circuit (10); Pin 5 one aspect of chip IC 1 connects described voltage stabilizing circuit (10) by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; Pin 6 one aspect of chip IC 1 connects described voltage stabilizing circuit (10) by electric capacity C4, on the other hand by the base stage of resistance R4 connecting triode VT1; The pin 7 of chip IC 1 connects described voltage stabilizing circuit (10); Node between the pin 8 contact resistance R4 of chip IC 1 and the base stage of triode VT1; The emitter of triode VT1 connects described voltage stabilizing circuit (10) by resistance R7, the base stage of the collector electrode one side connecting triode VT2 of triode VT1, one end of contact resistance R2 on the other hand, the other end of resistance R2 connects the output 2 of described pressurizer IC2 on the one hand, connect diode D1, resistance R3, resistance R5 and resistance R6, resistance R6 on the other hand in turn and connect described voltage stabilizing circuit (10); Node between the emitter contact resistance R2 of triode VT2 and diode D1, the collector electrode of triode VT2 connects the positive pole of battery by diode D2, the negative pole of battery connects described voltage stabilizing circuit (10).
2. a kind of poly-lithium battery quick-charging circuit according to claim 1, is characterized in that: the model of described pressurizer IC2 is 7805.
3. a kind of poly-lithium battery quick-charging circuit according to claim 1, is characterized in that: the model of four diodes in described bridge rectifier BR1 is IN4004.
4. a kind of poly-lithium battery quick-charging circuit according to claim 1, is characterized in that: the model of described chip IC 1 is BQ2002.
5. a kind of poly-lithium battery quick-charging circuit according to claim 1, it is characterized in that: described triode VT1 is NPN type triode, its model is ZN3904; Described triode VT2 is PNP type triode, and its model is MPS750.
6. a kind of poly-lithium battery quick-charging circuit according to claim 1, is characterized in that: the model of described diode D1 is IN4148; The model of described diode D2 is IN4001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457530.9U CN204858710U (en) | 2015-06-30 | 2015-06-30 | Quick charging circuit of polymer lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520457530.9U CN204858710U (en) | 2015-06-30 | 2015-06-30 | Quick charging circuit of polymer lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858710U true CN204858710U (en) | 2015-12-09 |
Family
ID=54749223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520457530.9U Expired - Fee Related CN204858710U (en) | 2015-06-30 | 2015-06-30 | Quick charging circuit of polymer lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173429A (en) * | 2017-12-23 | 2018-06-15 | 马良彬 | A kind of outdoor construction moves booster power |
-
2015
- 2015-06-30 CN CN201520457530.9U patent/CN204858710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173429A (en) * | 2017-12-23 | 2018-06-15 | 马良彬 | A kind of outdoor construction moves booster power |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204465104U (en) | A kind of portable set charging power source circuit | |
| CN106026265A (en) | Charging method, charging device and intelligent terminal | |
| CN204858710U (en) | Quick charging circuit of polymer lithium cell | |
| CN204481550U (en) | A kind of portable equipment charger circuit | |
| CN205389127U (en) | Nickel cadmium cell charger | |
| CN205304371U (en) | Lithium cell photovoltaic charging circuit | |
| CN201048302Y (en) | Constant-current charger | |
| CN201113516Y (en) | Emergency charger for mobile telephone charged by batteries | |
| CN204179725U (en) | A kind of photovoltaic mobile electrical power box | |
| CN208423907U (en) | A kind of effective safe charging circuit for inhibiting peak voltage | |
| CN208904338U (en) | A kind of intelligent socket of achievable intelligent charge | |
| CN205453219U (en) | Full -automatic intelligent battery charger | |
| CN205265320U (en) | Battery charger of safe power saving | |
| CN201541143U (en) | Charging current self-adaptive storage battery charger | |
| CN204794197U (en) | Battery automatic control circuit that charges | |
| CN205509479U (en) | Over -discharge protection circuit | |
| CN204597595U (en) | A kind of wind power generation charging circuit | |
| CN205283194U (en) | Battery management system's linear power supply | |
| CN204465110U (en) | Quick charger circuit | |
| CN212392703U (en) | Voltage-stabilizing safety charger | |
| CN201821539U (en) | Lamp switching circuit of battery charger | |
| CN204118776U (en) | A kind of power supply adaptor control circuit for 3G mobile terminal | |
| CN203722214U (en) | Self-switching-off starting circuit powered by rechargeable battery | |
| CN203151170U (en) | Solar charging power supply | |
| CN209169995U (en) | A kind of novel battery charging circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 building B2, building, Fumin Industrial Zone, Fu Shui street, Guangdong, Shenzhen, China Patentee after: Shenzhen Hai Tong Tong Electronic Limited by Share Ltd Address before: 518000 building B2, building, Fumin Industrial Zone, Fu Shui street, Guangdong, Shenzhen, China Patentee before: Hi-Chipcom Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200630 |