CN2173475Y - Quick charger - Google Patents
Quick charger Download PDFInfo
- Publication number
- CN2173475Y CN2173475Y CN93242748U CN93242748U CN2173475Y CN 2173475 Y CN2173475 Y CN 2173475Y CN 93242748 U CN93242748 U CN 93242748U CN 93242748 U CN93242748 U CN 93242748U CN 2173475 Y CN2173475 Y CN 2173475Y
- Authority
- CN
- China
- Prior art keywords
- tap
- circuit
- charging
- diode
- quick 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a quick charger. Some of present chargers have slow charging speed, and some of the present chargers have complicated structures. The utility model leads out three taps form the secondary pole of a transformer for a power supply, wherein, the middle tap is used as a charging output end, one tap of another two taps is connected in series two diodes, an electrolytic condenser is connected in parallel with the middle tap at the connecting position in series of two diodes, and the other one is connected in series with three diodes; the output ends of two branch circuits are connected, forming a charging circuit with asymmetrical full wave rectification together with the middle tap. The circuit structure is simple; the speed of charging is fast; an emergency lamp circuit being composed of a class B push pull oscillator can be simultaneously connected; the efficiency of the circuit is high; the fluorescent lamp tube with from 3W to 8W can be lighted.
Description
The utility model belongs to a kind of quick charger.
The charging rate that existing charger has is slow, the complex structure that has.
The utility model aims to provide a kind of simple in structure, the 1.5V charger that charging rate is fast.
Further purpose of the present utility model provides the multi-functional quick charger of a kind of 1.5V.
For reaching above-mentioned purpose, the utility model adopts following structure: it comprises housing, power transformer B
1, it is characterized in that: described power transformer is secondary draws three tap A successively
0, A
1, A
2, centre tap A
1As one of 1.5V charging output, from centre tap A
1Form 3
The tap A of alternating voltage
2Two diode D of series aiding connection
4, D
5, these two diode both positive and negative polarities link a little by an electrochemical capacitor C
2Meet aforementioned centre tap A
1End is from forming same A with centre tap
2Hold anti-phase 4.5
The tap A of alternating voltage
0Also with three diode D of equidirectional series aiding connection
1, D
2, D
3After be connected to aforementioned from A
2Series connection two diode D are drawn in tap
4, D
5Output, again from this end series aiding connection one light-emitting diode D
6, another 1.5V charging output as relative with the centre tap end forms asymmetric full-wave rectification charging circuit.
Further scheme of the present utility model is with a single-pole double-throw switch (SPDT) emergency light circuit in parallel again at above-mentioned charging circuit output, form by the class B push-pull formula oscillating circuit that with the rechargeable battery direct voltage is power supply in this circuit, recommend output by step-up transformer B
2The secondary 4-8W fluorescent tube that connects.
The utility model can be to 1
#-5
#Battery charge also can save 1.5V battery charged in parallel to 1-5.With 1
#New battery discharge with this charger charging 1h, can reach new battery short circuit electric current 0.25A to 0.8V.
The utility model adopts asymmetric full-wave rectification charging circuit, and charging rate is fast, and charge volume is big, and is simple in structure.
Class B push-pull formula oscillating circuit high efficiency in the emergency light circuit that the further scheme of the utility model provides is so only can light the 4-8W fluorescent tube with the 1.5V rechargeable battery.
Description of drawings:
Fig. 1: the utility model charger basic circuit diagram.
Fig. 2: the utility model embodiment circuit diagram.
The embodiment explanation:
Present embodiment charging circuit structure is: with power transformer secondary 4.5
End A
1Make charging output one end, 7.5
End A
2Series aiding connection two diode D
4, D
5, link and A from two pipe both positive and negative polarities
1Hold an electrochemical capacitor C in parallel
2, this electric capacity span is 100 μ-470 μ, this example is got 220 μ, from 0
A
0Three diode D of end series aiding connection
1, D
2, D
3, with D
5Output links to each other, again with the equidirectional light-emitting diode D that connects
6Make another charging output, for preventing light-emitting diode D
6Burn out a shunt resistance R in parallel at its two ends
1
In the above-mentioned asymmetric full-wave rectifying circuit series connection 2 rectifying tubes 3
The branch road charging current is 50mA, and the charging voltage amplitude is changed to 0.2V
P-P-0.1V
P-P, 4.5 of 3 rectifying tubes of series connection
The branch road charging current is 50mA, and it is 0.15V that charging voltage changes amplitude
P-P-2.2V
P-P
Present embodiment is used single-pole double-throw switch (SPDT) K in the charging end
2Parallel connection-emergency light circuit, its cutter termination rechargeable battery two ends, throw end and connect charging circuit output and emergency light circuit power supply side respectively, when the cutter end is invested the charging circuit output, give the charging of 1.5V rechargeable battery, when the cutter end is invested emergency light circuit, even rechargeable battery is powered to emergency light circuit.
The present embodiment emergency light circuit is by transistor BG
1, BG
2Be connected into the class B push-pull oscillating circuit of transformer coupled formula, its concrete structure is with triode BG
1, BG
2Two emitting stages connect 1.5V DC power supply one end, two base stage wiring circle L
1Two ends, L
1Centre cap is by biasing resistance R
3Connect the power supply other end, two collector electrode wiring circle L
2Two ends, this hub of a spool tap also connects the power supply other end, a capacitor C in parallel between two power lines
6, base winding is by step-up transformer B
2With collector electrode coil positive feedback coupling, collector electrode coil L
2As the first polar curve circle of step-up transformer, its secondary coil L
3Meet 6W fluorescent tube N.
Foregoing circuit is again by a single-pole double-throw switch (SPDT) K
3Parallel connection-incandescent lamp bulb emergency light circuit.
Present embodiment also is provided with by diode D
8-D
11The bridge rectifier of forming, a rectification circuit output end filter capacitor C in parallel
1, its input is by diverter switch K
1Receive power transformer B
1Secondary different taps, the i.e. different direct voltages of exportable 3V-12V.
Present embodiment formation-multi-functional quick charger.
Claims (5)
1, quick charger, it comprises housing, power transformer B
1, it is characterized in that: described power transformer is secondary draws three tap A successively
0, A
1, A
2, centre tap A
1As one of 1.5V charging output, from centre tap A
1Form 3
The tap A of alternating voltage
2Two diode D of series aiding connection
4, D
5, these two diode both positive and negative polarities link a little by an electrochemical capacitor C
2Meet aforementioned centre tap A
1End is from forming same A with centre tap
2Hold anti-phase 4.5
The tap A of alternating voltage
0Also with three diode D of equidirectional series aiding connection
1, D
2, D
3After be connected to aforementioned from A
2Series connection two diode D are drawn in tap
4, D
5Output, again from this end series aiding connection one light-emitting diode D
6, another 1.5V charging output as relative with the centre tap end forms asymmetric full-wave rectification charging circuit.
2, quick charger as claimed in claim 1, it is characterized in that: use a single-pole double-throw switch (SPDT) emergency light circuit in parallel again at described charger circuit output, this circuit is made up of the class B push-pull formula oscillating circuit that with 1.5V rechargeable battery direct voltage is power supply, recommends output by the secondary 4-8W of the connecing fluorescent tube of step-up transformer.
3, quick charger as claimed in claim 1 or 2 is characterized in that: in the described charging circuit from centre tap A
1Form 3
The tap A of alternating voltage
2Two diode both positive and negative polarities of end series aiding connection link and locate the electrochemical capacitor C in parallel with centre tap
2Span is at 100 μ-470 μ.
4, quick charger as claimed in claim 1 or 2 is characterized in that: described power transformer is secondary also to be provided with 3
-12
The current rectifying and wave filtering circuit that a plurality of taps link to each other.
5, quick charger as claimed in claim 3 is characterized in that: described power transformer is secondary also to be provided with 3
-12
The current rectifying and wave filtering circuit that a plurality of taps link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93242748U CN2173475Y (en) | 1993-10-25 | 1993-10-25 | Quick charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93242748U CN2173475Y (en) | 1993-10-25 | 1993-10-25 | Quick charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2173475Y true CN2173475Y (en) | 1994-08-03 |
Family
ID=33816366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93242748U Expired - Fee Related CN2173475Y (en) | 1993-10-25 | 1993-10-25 | Quick charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2173475Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425691B (en) * | 2007-10-31 | 2012-03-14 | 财团法人工业技术研究院 | Charging equipment |
-
1993
- 1993-10-25 CN CN93242748U patent/CN2173475Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425691B (en) * | 2007-10-31 | 2012-03-14 | 财团法人工业技术研究院 | Charging equipment |
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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 |