CN201699466U - Charger circuit - Google Patents
Charger circuit Download PDFInfo
- Publication number
- CN201699466U CN201699466U CN2010202573202U CN201020257320U CN201699466U CN 201699466 U CN201699466 U CN 201699466U CN 2010202573202 U CN2010202573202 U CN 2010202573202U CN 201020257320 U CN201020257320 U CN 201020257320U CN 201699466 U CN201699466 U CN 201699466U
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- circuit
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- charger
- current control
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a charger circuit, and in particular to a charger circuit with constant current control circuit. The charger circuit herein comprises a switch circuit, a switch transformer, a rectification filtering circuit, an anti-reverse connection circuit, a 12V24V battery recognition circuit, a current detection circuit, a optoelectronic coupler, and a constant current control circuit for charger, wherein the switch circuit is connected to the output end of the optoelectronic coupler, the switch circuit being connected to the switch transformer, the switch transformer being connected to the rectification filtering circuit which is connected to the anti-reverse connection circuit and the 12V24V battery recognition circuit, the output end of the constant current control circuit for charger being connected to the optoelectronic coupler, the input end of the constant current control circuit for charger being connected to the current detection resistance. The utility model has the advantages of easy structure, low cost and convenient operation, and anti-reverse connection, 12V24V battery automatic recognition, and constant current charging function.
Description
Technical field:
The utility model relates to a kind of circuit for charging machine, relates in particular to a kind of circuit for charging machine that comprises constant-current control circuit.
Background technology:
Current, what charger circuit had comprises by reverse-connection preventing circuit.Circuit for charging machine has comprises 12V24V storage battery identification circuit, can be used for the storage battery charging of 12V24V.The charger charging is a kind of constant current charge process in addition.Adopt constant current charge, make to the storage battery charging stable more, reliable.But also do not have a kind of charger have simultaneously anti-reverse, the 12V24V storage battery is discerned automatically, constant-current charging function.
Summary of the invention:
The purpose of this utility model is exactly at the problems referred to above, proposes a solution.The utility model is simple in structure, and is easy to use, and cost is low, have simultaneously anti-reverse, the 12V24V storage battery is discerned automatically, constant-current charging function.
The technical scheme that the utility model provides is:
Circuit for charging machine, comprise switching circuit, switch transformer, current rectifying and wave filtering circuit, reverse-connection preventing circuit, 12V24V storage battery identification circuit, current sense resistor, photoelectrical coupler, also include the charger constant-current control circuit, switching circuit links to each other with the output of photoelectrical coupler, switching circuit with and switch transformer, switch transformer links to each other with current rectifying and wave filtering circuit, current rectifying and wave filtering circuit links to each other with 12V24V storage battery identification circuit with reverse-connection preventing circuit respectively, charger connects photoelectrical coupler with the output of constant-current control circuit, and charger connects current sense resistor with the input of constant-current control circuit.
Charger constant-current control circuit: a termination VCC of resistance R 1, the other end of resistance R 1 links to each other with an end of resistance R 2, the negative pole of diode D1, the other end of resistance R 2 links to each other with the base stage of triode T1 and an end of resistance R 4 respectively, one end ground connection of the other end of resistance R 4 and resistance R 0, the common port output of the positive pole of the other end of resistance R 0 and diode D1, the grounded emitter of triode T1, the collector electrode of triode T1 links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with 2 pin of photoelectrical coupler U1, and 1 pin of photoelectrical coupler U1 links to each other with VCC.
The utility model is convenient to make processing, and cost is low, and design concept is ingenious.Adopt the charger constant-current control circuit of innovative design, more stable to the storage battery charging, in the useful life of prolongation storage battery, the charger more stable work is reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the winding diagram of charger with constant-current control circuit
Specific embodiment
Circuit for charging machine, comprise switching circuit, switch transformer, current rectifying and wave filtering circuit, reverse-connection preventing circuit, 12V24V storage battery identification circuit, current sense resistor, photoelectrical coupler, also include the charger constant-current control circuit, switching circuit links to each other with the output of photoelectrical coupler, switching circuit with and switch transformer, switch transformer links to each other with current rectifying and wave filtering circuit, current rectifying and wave filtering circuit links to each other with 12V24V storage battery identification circuit with reverse-connection preventing circuit respectively, charger connects photoelectrical coupler with the output of constant-current control circuit, and charger connects current sense resistor with the input of constant-current control circuit.
Charger constant-current control circuit: a termination VCC of resistance R 1, the other end of resistance R 1 links to each other with an end of resistance R 2, the negative pole of diode D1, the other end of resistance R 2 links to each other with the base stage of triode T1 and an end of resistance R 4 respectively, one end ground connection of the other end of resistance R 4 and resistance R 0, the common port output of the positive pole of the other end of resistance R 0 and diode D1, the grounded emitter of triode T1, the collector electrode of triode T1 links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with 2 pin of photoelectrical coupler U1, and 1 pin of photoelectrical coupler U1 links to each other with VCC.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (2)
1. circuit for charging machine, comprise switching circuit, switch transformer, current rectifying and wave filtering circuit, reverse-connection preventing circuit, 12V24V storage battery identification circuit, current sense resistor, photoelectrical coupler, it is characterized in that, also include the charger constant-current control circuit, switching circuit links to each other with the output of photoelectrical coupler, switching circuit and switch transformer, switch transformer links to each other with current rectifying and wave filtering circuit, current rectifying and wave filtering circuit links to each other with 12V24V storage battery identification circuit with reverse-connection preventing circuit respectively, charger connects photoelectrical coupler with the output of constant-current control circuit, and charger connects current sense resistor with the input of constant-current control circuit.
2. according to the described circuit for charging machine of claim 1, it is characterized in that, charger constant-current control circuit: a termination VCC of resistance R 1, one end of the other end of resistance R 1 and resistance R 2, the negative pole of diode D1 links to each other, the other end of resistance R 2 links to each other with the base stage of triode T1 and an end of resistance R 4 respectively, one end ground connection of the other end of resistance R 4 and resistance R 0, the common port output of the positive pole of the other end of resistance R 0 and diode D1, the grounded emitter of triode T1, the collector electrode of triode T1 links to each other with an end of resistance R 3, the other end of resistance R 3 links to each other with 2 pin of photoelectrical coupler U1, and 1 pin of photoelectrical coupler U1 links to each other with VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202573202U CN201699466U (en) | 2010-06-30 | 2010-06-30 | Charger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202573202U CN201699466U (en) | 2010-06-30 | 2010-06-30 | Charger circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699466U true CN201699466U (en) | 2011-01-05 |
Family
ID=43400710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202573202U Expired - Fee Related CN201699466U (en) | 2010-06-30 | 2010-06-30 | Charger circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888108A (en) * | 2010-06-30 | 2010-11-17 | 濮阳三友电器有限公司 | Circuit for charging machine |
-
2010
- 2010-06-30 CN CN2010202573202U patent/CN201699466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888108A (en) * | 2010-06-30 | 2010-11-17 | 濮阳三友电器有限公司 | Circuit for charging machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |