CN2150657Y - Multifunction protective charger - Google Patents
Multifunction protective charger Download PDFInfo
- Publication number
- CN2150657Y CN2150657Y CN 93202188 CN93202188U CN2150657Y CN 2150657 Y CN2150657 Y CN 2150657Y CN 93202188 CN93202188 CN 93202188 CN 93202188 U CN93202188 U CN 93202188U CN 2150657 Y CN2150657 Y CN 2150657Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- charging
- charger
- light
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to a charging device for batteries, particularly a multifunction protective charger. The multifunction protective charger comprises an RC voltage reducing circuit, a rectifying voltage stabilizing circuit and a charging display circuit, and is characterized in that a KC branch circuit is arranged in the RC voltage reducing circuit; the charging display circuit is composed of triodes, LEDs, rectifying diodes and two resistors. The utility model has the advantages of simple structure, reasonable circuit design, high safety and convenience. The multifunction protective charger can be suitable for the charging requirements of multiple-model batteries, and can display the charging work process and protect charged batteries from being overcharged. Consequently, the multifunction protective charger is an ideal charging device for batteries.
Description
The utility model belongs to a kind of battery charger, especially relates to a kind of multifunction protection formula charger.
In background technology, the disclosed plug-in type constant current charger of notification number CN2083804U, it mainly is made up of RC reduction voltage circuit, regulator rectifier circuit and charging display circuit, it has abandoned traditional transformer step-down mode, have simple in structure, advantages such as volume is little, power consumptive province, but when reality is used, can only a kind of battery of model be charged, and in charging process, can not demonstrate by the electric quantity change of battery, people can't know when the battery that is recharged charges and finish.
The purpose of this utility model provides a kind of multifunction protection formula charger, and it is to improve to form on the basis of plug-in type constant current charger, and the charging requirement ， And that can adapt to multiple size battery can demonstrate the variation that is recharged electric weight.
The purpose of this utility model is achieved in that it comprises RC reduction voltage circuit, regulator rectifier circuit and charging display circuit, the output signal of RC reduction voltage circuit is after regulator rectifier circuit rectification, voltage stabilizing, be transported to the charging display circuit, it is characterized in that the RC reduction voltage circuit is by Yi Duan And connects, the other end is connected with selector switch K respectively capacitor C
1, C
2, C
3The KC branch road and the resistance R that constitute
1The And connection forms, and the charging display circuit is by triode BG, light-emitting diode D
7, diode D
8And resistance R
4, R
5Form, wherein: the collector electrode of triode BG and light-emitting diode D
7Series connection, emitter and voltage stabilizing didoe D
5Negative electrode and resistance R
5Yin Ji And connect, its base stage and resistance R
4, R
5And connects, resistance R
4The other end and rectifier diode D
8Negative electrode link to each other rectifier diode D
8Anode and light-emitting diode D
7Anode and voltage stabilizing didoe D
5Yang Ji And connect.
Between regulator rectifier circuit and charging display circuit, be provided with the work display circuit, this circuit is by resistance R
3With light-emitting diode D
6Be in series ， And and and regulator rectifier circuit in voltage stabilizing didoe D
5Xiang And connection.
The utility model is compared with background technology, has advantages such as circuit design is reasonable, easy to use, applied widely, and therefore, it is a kind of comparatively ideal battery charger.
In conjunction with the accompanying drawings and embodiments, specifically describe as follows to the utility model:
Fig. 1 is a circuit block diagram of the present utility model
Fig. 2 is circuit theory diagrams of the present utility model
With reference to accompanying drawing: the utility model is made up of RC reduction voltage circuit 1, regulator rectifier circuit 2 and charging display circuit 3, the civil power AC signal is transported to regulator rectifier circuit 2 through 1 step-down of RC reduction voltage circuit, after rectification, voltage stabilizing, be transported to charging display circuit 3, charge by 3 couples of battery DC of charging display circuit at last.It is by ac input end a, b, resistance R for RC reduction voltage circuit 1 a main employing capacitance decompression principle
1, capacitor C
1, C
2, C
3Constitute with selector switch K, wherein: capacitor C
1, C
2And C
3An end Xiang Hu And connect, the other end forms KC branch road, resistance R with the selector switch K ， And that joins respectively
1With KC branch road And connection Xiang, capacitor C
1, C
2, C
3Capacitance have nothing in common with each other, selector switch K can require to select and one of them capacitor C according to model that is recharged pond DC and charge volume
1(or C
2, or C
3) be connected, the output of RC reduction voltage circuit 1 links to each other with the bridge rectifier of regulator rectifier circuit (2), and regulator rectifier circuit 2 is by D
1～D
1Bridge rectifier, current-limiting resistance R
2With voltage stabilizing didoe D
5Form voltage stabilizing didoe D
5Positive pole and negative pole, promptly the output of regulator rectifier circuit 2 joins with work display circuit 4 and charging display circuit 3, work display circuit 4 is by dropping resistor R
3With light-emitting diode D
6Be in series it and voltage stabilizing didoe D
5Xiang And connection, voltage stabilizing didoe D
5During work, light-emitting diode D
6Can send light, charging display circuit 3 is by light-emitting diode D
7, diode D
8, triode BG and resistance R
4, R
5Constitute light-emitting diode D
7Negative electrode and the collector electrode of triode BG join its anode and voltage stabilizing didoe D
5Anode and diode D
8Yang Ji And meet diode D
8Negative electrode and resistance R
4Anode and output C Xiang And connect resistance R
4With resistance R
5Be in series the base stage of triode BG and resistance R
4, R
5Xiang And connects, its emitter and resistance R
5Negative electrode, output d and voltage stabilizing didoe D
5Yin Ji Xiang And connect.When beginning to charge, because it is lower to be recharged the series voltage of battery DC, at this moment, voltage stabilizing didoe D
5Be in cut-off state, charging current is through rectifier diode D
8All charge into battery DC, along with the continuity of charging process, the voltage of battery DC raises gradually, the then also corresponding rising of the base voltage of triode BG, therefore, light-emitting diode D
7Also brighten gradually, after the electric weight abundance of battery DC, it is maximum that the base voltage of triode BG reaches thereupon, makes light-emitting diode D
7The light that sends also reaches high-high brightness, meanwhile, owing to be subjected to voltage stabilizing didoe D
5Clamp down on, make the voltage of battery DC no longer rise, then rectifier diode D
8Also transfer to and ending, thereby also avoided overcharge battery DC by conducting.
Claims (2)
1, a kind of multifunction protection formula charger; comprise RC reduction voltage circuit (1), regulator rectifier circuit (2) and charging display circuit (3); the output signal of RC reduction voltage circuit (1) is after the rectification of regulator rectifier circuit (2), voltage stabilizing; be transported to charging display circuit (3), it is characterized in that RC reduction voltage circuit (1) is by Yi Duan And connects, the other end joins with selector switch K respectively capacitor C
1, C
2, C
3The KC branch road and the resistance R that constitute
1The And connection forms; Charging display circuit (3) is by triode BG, light-emitting diode D
7, diode D
8And resistance R
4, R
5Form, wherein the collector electrode of triode BG and light-emitting diode D
7Series connection, emission collection and voltage stabilizing didoe D
5Negative electrode and resistance R
5Yin Ji And connect base stage and resistance R
4, R
5And connects, resistance R
4Anode and rectifier diode D
8Negative electrode link to each other rectifier diode D
8Anode and the anode and the voltage stabilizing didoe D of light-emitting diode
5Yang Ji And connect.
2, multifunction protection formula charger according to claim 1 is characterized in that being provided with work display circuit (4) between described regulator rectifier circuit (2) and the charging display circuit (3), and it is by resistance R
3With light-emitting diode D
6Be in series ， And and with regulator rectifier circuit (2) in voltage stabilizing didoe D
5Xiang And connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93202188 CN2150657Y (en) | 1993-01-19 | 1993-01-19 | Multifunction protective charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93202188 CN2150657Y (en) | 1993-01-19 | 1993-01-19 | Multifunction protective charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2150657Y true CN2150657Y (en) | 1993-12-22 |
Family
ID=33786444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93202188 Expired - Fee Related CN2150657Y (en) | 1993-01-19 | 1993-01-19 | Multifunction protective charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2150657Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064588A (en) * | 2011-01-27 | 2011-05-18 | 周桂宝 | Autotracking adaptive charging maintainer for electric vehicle storage battery |
| CN102142710A (en) * | 2011-05-11 | 2011-08-03 | 福州与日同辉新能源技术有限公司 | Adaptive storage battery charging device capable of selecting capacity |
| CN104734313A (en) * | 2015-02-26 | 2015-06-24 | 黄焕珠 | Charger of electric vehicle battery |
-
1993
- 1993-01-19 CN CN 93202188 patent/CN2150657Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064588A (en) * | 2011-01-27 | 2011-05-18 | 周桂宝 | Autotracking adaptive charging maintainer for electric vehicle storage battery |
| CN102142710A (en) * | 2011-05-11 | 2011-08-03 | 福州与日同辉新能源技术有限公司 | Adaptive storage battery charging device capable of selecting capacity |
| CN104734313A (en) * | 2015-02-26 | 2015-06-24 | 黄焕珠 | Charger of electric vehicle battery |
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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 |