CN2178400Y - Automatic charger - Google Patents
Automatic charger Download PDFInfo
- Publication number
- CN2178400Y CN2178400Y CN 93245815 CN93245815U CN2178400Y CN 2178400 Y CN2178400 Y CN 2178400Y CN 93245815 CN93245815 CN 93245815 CN 93245815 U CN93245815 U CN 93245815U CN 2178400 Y CN2178400 Y CN 2178400Y
- Authority
- CN
- China
- Prior art keywords
- pole
- negative
- positive
- output
- charger
- 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
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000007600 charging Methods 0.000 abstract description 3
- 238000010277 constant-current charging Methods 0.000 abstract 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an automatic charger, which mainly comprises a rectifier power supply, an operational amplifier, a music chip and other parts. The product has the functions of constant current charging and automatic music sounding to indicate that the charging is finished. The utility model discloses simple structure, low in cost can prevent overcharging or the not enough of charging of battery.
Description
The utility model is a kind of automatic charger, belongs to the technical field of battery charger.
At present, the charger of being sold on the market is difficult to avoid overcharging or undercharge to nickel-cadmium cell.
The purpose of this utility model is to invent a kind ofly can avoid overcharging or the high-performance automatic charger of undercharge to nickel-cadmium cell.
The utility model is to constitute like this: it comprises: shell 1, rectifier power source 2, three-terminal voltage-stabilizing ic chip
1, the operational amplifier ic chip
2, IC
3, resistance R
1～R
5, light-emitting diode D
1, voltage-stabiliser tube D
2, D
3, diode D
4, D
5, musical film 3, triode BG
1, the positive pole of rectifier power source 2 meets IC
1Positive input terminal, R
1, R
3, R
4An end and D
2Positive pole meet IC
1Output, R
1Another termination D
1Positive pole, BG
1Base stage meet D
2Negative pole and R
2An end, BG
1Emitter meet R
3The other end, BG
1Current collection very charger cathode output end a and and IC
2Positive input terminal join R
4Another termination IC
2Negative input end and D
3Positive pole, IC
2Output termination IC
3Positive input terminal, IC
3Output termination IC
3Negative input end and R
5An end, R
5Another termination D
4Positive pole and the positive input terminal of musical film 3, D
4Negative pole meet D
5Positive pole, D
1, D
3, D
5Negative pole, the negative pole and the R of musical film 3
2The other end and the output negative terminal b of the charger negative pole that all connects power supply 2.
In above scheme, R
1, D
1Form the power connection indicating circuit, D
2, R
2, R
3.BG
1Form constant-current circuit, when battery charge reached assigned voltage, charger just sent musical sound, had so just prevented overcharging or undercharge of battery, had also just realized the purpose of this utility model.
Accompanying drawing 1 is that schematic appearance of the present utility model, accompanying drawing 2 are circuit theory diagrams of the present utility model.
Embodiment of the present utility model: in the present embodiment, IC
1Model is 7806, IC
2, IC
3Model is LM324, BG
1Model is 3CG23, resistance: R
11k, R
24K, R
366, R
4310, R
51K, musical film is sold 1.5V power connection formula musical film by market, after assembling by technique scheme, connect the 220V civil power, indicator light of the present utility model is bright, music is rung, put into nickel-cadmium cell 4 back music and stop, beginning charging, when music once more automatically time-out represent that battery has charged and finish.
Claims (1)
1, a kind of automatic charger, it comprises: shell 1, rectifier power source 2, three-terminal voltage-stabilizing ic chip
1, the operational amplifier ic chip
2, IC
3, resistance R
1～R
5, light-emitting diode D
1, voltage-stabiliser tube D
2, D
3, diode D
4, D
5, musical film 3, triode BG
1, it is characterized in that: the positive pole of rectifier power source 2 meets IC
1Positive input terminal, R
1, R
3, R
4An end and D
2Positive pole meet IC
1Output, R
1Another termination D
1Positive pole, BG
1Base stage meet D
2Negative pole and R
2An end, BG
1Emitter meet R
3The other end, BG
1Current collection very charger cathode output end a and and IC
2Positive input terminal join R
4Another termination IC
2Negative input end and D
3Positive pole, IC
2Output termination IC
3Positive input terminal, IC
3Output termination IC
3Negative input end and R
5An end, R
5Another termination D
4Positive pole and the positive input terminal of musical film 3, D
4Negative pole meet D
5Positive pole, D
1, D
3, D
5Negative pole, the negative pole and the R of musical film 3
2The other end and the output negative terminal b of the charger negative pole that all connects power supply 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245815 CN2178400Y (en) | 1993-11-24 | 1993-11-24 | Automatic charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93245815 CN2178400Y (en) | 1993-11-24 | 1993-11-24 | Automatic charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2178400Y true CN2178400Y (en) | 1994-09-28 |
Family
ID=33818658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93245815 Expired - Fee Related CN2178400Y (en) | 1993-11-24 | 1993-11-24 | Automatic charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2178400Y (en) |
-
1993
- 1993-11-24 CN CN 93245815 patent/CN2178400Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |