CN204947697U - A kind of lithium battery intelligent pressure regulation charger - Google Patents
A kind of lithium battery intelligent pressure regulation charger Download PDFInfo
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- CN204947697U CN204947697U CN201520713627.1U CN201520713627U CN204947697U CN 204947697 U CN204947697 U CN 204947697U CN 201520713627 U CN201520713627 U CN 201520713627U CN 204947697 U CN204947697 U CN 204947697U
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- diode
- connects
- lithium battery
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- resistance
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- 230000001052 transient effect Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of lithium battery intelligent pressure regulation charger, comprise rectifier bridge T, transient voltage suppressor diode DW, chip IC 1 and diode D1, the port one of described rectifier bridge T connects the winding N2 of transient voltage suppressor diode DW and transformer W, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, and the two ends of the winding N1 of transformer W connect the two ends of 220V alternating current respectively.The utility model lithium battery intelligent pressure regulation charger circuit structure is simple, components and parts are few, automatically the size of charging voltage automatically can be adjusted according to the situation of lithium battery voltage, thus effectively avoid the overcharge of lithium battery, and be provided with indicator light, be convenient for people to intuitive judgment charge condition, therefore there is the advantage that stable performance, cost of manufacture are low and easy to use.
Description
Technical field
The utility model relates to a kind of lithium battery circuit, specifically a kind of lithium battery intelligent pressure regulation charger.
Background technology
Lithium battery is rechargeable battery common in daily life, it has the advantage such as stable performance, life-span length, lithium cell charging needs to be equipped with charger, but existing market is conventional charger adopts constant current charge mode to charge mostly, charging voltage is fixed, and many times cannot pull up charger in time, thus causes the overshoot of battery, reduce it to use, bring financial burden.
Utility model content
The purpose of this utility model is the lithium battery intelligent pressure regulation charger providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of lithium battery intelligent pressure regulation charger, comprise rectifier bridge T, transient voltage suppressor diode DW, chip IC 1 and diode D1, the port one of described rectifier bridge T connects the winding N2 of transient voltage suppressor diode DW and transformer W, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the two ends of the winding N1 of transformer W connect the two ends of 220V alternating current respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R3, the anode of diode D4, electric capacity C1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end contact resistance R2 of resistance R1, the anode of diode D1 and the negative electrode of diode D2, the other end of resistance R2 connects the anode of the other end diode D5 of electric capacity C1, a stiff end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the other end of resistance R3 connects the negative electrode of diode D5 and the pin 5 of chip IC 1, the negative electrode of diode D1 connects the anode of diode D2, the pin 3 of resistance R4 and chip IC 1, the other end of resistance R4 connects the anode of diode D3, the collector electrode of the negative electrode connecting triode V1 of diode D4, the base stage of triode V1 connects the negative electrode of diode D3 and the positive pole of lithium battery E, the emitter of triode V1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1, another stiff end of potentiometer RP2 and the pin 6 of chip IC 1, the model of chip IC 1 is NE555.
As preferred version of the present utility model: described diode D1 is red light-emitting diode, diode D2 is green light LED.
Compared with prior art, the beneficial effects of the utility model are: the utility model lithium battery intelligent pressure regulation charger circuit structure is simple, components and parts are few, automatically the size of charging voltage automatically can be adjusted according to the situation of lithium battery voltage, thus effectively avoid the overcharge of lithium battery, and be provided with indicator light, be convenient for people to intuitive judgment charge condition, therefore there is the advantage that stable performance, cost of manufacture are low and easy to use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of lithium battery intelligent pressure regulation charger.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of lithium battery intelligent pressure regulation charger, comprise rectifier bridge T, transient voltage suppressor diode DW, chip IC 1 and diode D1, the port one of described rectifier bridge T connects the winding N2 of transient voltage suppressor diode DW and transformer W, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the two ends of the winding N1 of transformer W connect the two ends of 220V alternating current respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R3, the anode of diode D4, electric capacity C1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end contact resistance R2 of resistance R1, the anode of diode D1 and the negative electrode of diode D2, the other end of resistance R2 connects the anode of the other end diode D5 of electric capacity C1, a stiff end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the other end of resistance R3 connects the negative electrode of diode D5 and the pin 5 of chip IC 1, the negative electrode of diode D1 connects the anode of diode D2, the pin 3 of resistance R4 and chip IC 1, the other end of resistance R4 connects the anode of diode D3, the collector electrode of the negative electrode connecting triode V1 of diode D4, the base stage of triode V1 connects the negative electrode of diode D3 and the positive pole of lithium battery E, the emitter of triode V1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1, another stiff end of potentiometer RP2 and the pin 6 of chip IC 1, the model of chip IC 1 is NE555.
Diode D1 is red light-emitting diode, and diode D2 is green light LED.
Operation principle of the present utility model is: 220V line voltage becomes direct voltage after transformer W step-down and rectifier bridge T rectification, direct voltage is after C1 filtering, the direct current of stable output is to circuit supply, chip IC 1 internal comparator is set to 4.7V by diode D1, if 6 pin current potentials of chip IC 1 are more than 4.7V, then its 3 pin exports step-down, if the current potential of 2 pin is lower than 2.4V, output voltage uprises, when the lithium battery voltage that will charge is very low, the output potential of chip IC 1 is very high, lithium battery E will be charged by resistance R4 and diode D3, until be full of, but chip IC 1 continues to monitor the electricity of battery by triode V1, when battery output drops to lower than 4.7V due to local action, chip IC 1 is started working again, light-emitting diode D1 is luminous when charging, when static state, light-emitting diode D2 is luminous, the peak voltage clamper that city's electro-mechanical wave can produce by transient voltage suppressor diode DW is to safety value, increase the stability of charging voltage.
Claims (2)
1. a lithium battery intelligent pressure regulation charger, comprise rectifier bridge T, transient voltage suppressor diode DW, chip IC 1 and diode D1, it is characterized in that, the port one of described rectifier bridge T connects the winding N2 of transient voltage suppressor diode DW and transformer W, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the two ends of the winding N1 of transformer W connect the two ends of 220V alternating current respectively, the port 2 contact resistance R1 of rectifier bridge T, resistance R3, the anode of diode D4, electric capacity C1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end contact resistance R2 of resistance R1, the anode of diode D1 and the negative electrode of diode D2, the other end of resistance R2 connects the anode of the other end diode D5 of electric capacity C1, a stiff end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge T and the pin 1 of chip IC 1, the other end of resistance R3 connects the negative electrode of diode D5 and the pin 5 of chip IC 1, the negative electrode of diode D1 connects the anode of diode D2, the pin 3 of resistance R4 and chip IC 1, the other end of resistance R4 connects the anode of diode D3, the collector electrode of the negative electrode connecting triode V1 of diode D4, the base stage of triode V1 connects the negative electrode of diode D3 and the positive pole of lithium battery E, the emitter of triode V1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1, another stiff end of potentiometer RP2 and the pin 6 of chip IC 1, the model of chip IC 1 is NE555.
2. a kind of lithium battery intelligent pressure regulation charger according to claim 1, it is characterized in that, described diode D1 is red light-emitting diode, and diode D2 is green light LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713627.1U CN204947697U (en) | 2015-09-16 | 2015-09-16 | A kind of lithium battery intelligent pressure regulation charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713627.1U CN204947697U (en) | 2015-09-16 | 2015-09-16 | A kind of lithium battery intelligent pressure regulation charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947697U true CN204947697U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520713627.1U Expired - Fee Related CN204947697U (en) | 2015-09-16 | 2015-09-16 | A kind of lithium battery intelligent pressure regulation charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947697U (en) |
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2015
- 2015-09-16 CN CN201520713627.1U patent/CN204947697U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160415 Address after: 437100 8 west side, Wenquan campus, Hubei science and Technology College, Xianyang, Hubei Patentee after: Chen Ming Address before: 223005 Jiangsu province Huaian City Yingbin Road No. 9 students Pioneering Park Room 1209 Patentee before: HUAIAN RUIHE TECHNOLOGY CO., LTD. |
|
| CB03 | Change of inventor or designer information |
Inventor after: Chen Ming Inventor before: Xie Lin Inventor before: Dai Ren Inventor before: Zhang Junde Inventor before: Chen Cheng |
|
| COR | Change of bibliographic data | ||
| 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: 20160106 Termination date: 20160916 |