CN204794199U - Charging circuit - Google Patents
Charging circuit Download PDFInfo
- Publication number
- CN204794199U CN204794199U CN201520485361.XU CN201520485361U CN204794199U CN 204794199 U CN204794199 U CN 204794199U CN 201520485361 U CN201520485361 U CN 201520485361U CN 204794199 U CN204794199 U CN 204794199U
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- CN
- China
- Prior art keywords
- triode
- pin
- connects
- resistance
- charging
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model belongs to the technical field of electronic circuit, especially, relate to a charging circuit, including export power supply J1, vary voltage module, the module of charging, export power supply J2, the vary voltage module includes transformer T1, electric capacity C1, resistance R1, slide rheostat R2, the module of charging includes buffer U1, relay K1, resistance R3, triode Q1, triode Q2. The utility model discloses an input power process transformer carries out voltage conversion, is charging for export power supply by charging circuit, the utility model discloses a buffer memory can be carried out with the electric current to the design of buffer, and then accurate control current's output, and the electric energy is further practiced thrift in the waste of electric energy when reducing voltage conversion.
Description
Technical field
The utility model belongs to electronic circuit technology field, particularly relates to a kind of charging circuit.
Background technology
Current charging circuit both can be the battery charging that normal voltage is 24V, also can be the battery charging that normal voltage is 12V.When needing to be the battery charging of 24V for normal voltage, but existing charging circuit can cause a large amount of electric energy losses in the process of voltage transitions, and then not energy-conserving and environment-protective.
Summary of the invention
The utility model provides a kind of charging circuit, can cause the problem of a large amount of electric energy losses to solve existing charging circuit in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of charging circuit, it is characterized in that: comprise out-put supply J1, voltage changing module, charging module, out-put supply J2, described voltage changing module comprises transformer T1, electric capacity C1, resistance R1, slide rheostat R2, described charging module comprises buffer U1, relay K 1, resistance R3, triode Q1, triode Q2, the pin 1 of the cathode connecting transformer T1 of described out-put supply J1, its negative pole connects the pin 2 of transformer T1, and the pin 3 of described transformer T1 connects one end of electric capacity C1, the pin 1 of slide rheostat R2, the pin 1 of relay K 1, its pin 4 connects the other end of electric capacity C1, one end of resistance R1, one end of another termination buffer U1 of described resistance R1, the pin 3 of slide rheostat R2, the pin 2 of described relay K 1 connects the emitter of triode Q2 and all ground connection, and its pin 3 connects the base stage of triode Q2, one end of its pin 4 connecting resistance R3, the other end of the collector electrode connecting resistance R3 of described triode Q2, the emitter of triode Q1, the base stage of described triode Q1 connects the pin 2 of slide rheostat R2, and its collector electrode connects the negative pole of out-put supply J2, the positive pole of another termination out-put supply J2 of described buffer U1.
Described triode Q1 selects the triode of NPN type number.
Described triode Q2 selects the triode of NPN type number.
The beneficial effects of the utility model are:
1, input power of the present utility model carries out voltage transitions through transformer, charged to out-put supply by charging circuit, whole charging process adopts the design of relay, can set the time of charging, and then reduce the power consumption of system, reach energy-conservation effect.
2, the utility model adopts the design of buffer, electric current can be carried out buffer memory, and then accurately controls the output of electric current, reduces the waste of electric energy during voltage transitions, further saves energy.
3, structure of the present utility model is simple, and each parts are relatively more cheap, easy of integration, greatly reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
As shown in Figure 1, the present embodiment comprises: out-put supply J1, voltage changing module, charging module, out-put supply J2, voltage changing module comprises transformer T1, electric capacity C1, resistance R1, slide rheostat R2, charging module comprises buffer U1, relay K 1, resistance R3, triode Q1, the pin 1 of the cathode connecting transformer T1 of triode Q2, out-put supply J1, its negative pole connects the pin 2 of transformer T1, and the pin 3 of transformer T1 connects one end of electric capacity C1, the pin 1 of slide rheostat R2, the pin 1 of relay K 1, its pin 4 connects the other end of electric capacity C1, one end of resistance R1, one end of another termination buffer U1 of resistance R1, the pin 3 of slide rheostat R2, the pin 2 of relay K 1 connects the emitter of triode Q2 and all ground connection, and its pin 3 connects the base stage of triode Q2, one end of its pin 4 connecting resistance R3, the other end of the collector electrode connecting resistance R3 of triode Q2, the emitter of triode Q1, the base stage of triode Q1 connects the pin 2 of slide rheostat R2, and its collector electrode connects the negative pole of out-put supply J2, the positive pole of another termination out-put supply J2 of buffer U1.
Triode Q1 selects the triode of NPN type number.
Triode Q2 selects the triode of NPN type number.
Input power of the present utility model carries out voltage transitions through transformer, is being charged to out-put supply by charging circuit, and whole charging process adopts the design of relay, can set, and then reduce the power consumption of system, reach energy-conservation effect to the time of charging; Adopt the design of buffer, electric current can be carried out buffer memory, and then accurately control the output of electric current, reduce the waste of electric energy during voltage transitions, further saves energy; Structure is simple, and each parts are relatively more cheap, easy of integration, greatly reduce manufacturing cost.
Utilize technical scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection range of the present utility model.
Claims (3)
1. a charging circuit, is characterized in that: comprise out-put supply J1, voltage changing module, charging module, out-put supply J2, described voltage changing module comprises transformer T1, electric capacity C1, resistance R1, slide rheostat R2, described charging module comprises buffer U1, relay K 1, resistance R3, triode Q1, triode Q2, the pin 1 of the cathode connecting transformer T1 of described out-put supply J1, its negative pole connects the pin 2 of transformer T1, and the pin 3 of described transformer T1 connects one end of electric capacity C1, the pin 1 of slide rheostat R2, the pin 1 of relay K 1, its pin 4 connects the other end of electric capacity C1, one end of resistance R1, one end of another termination buffer U1 of described resistance R1, the pin 3 of slide rheostat R2, the pin 2 of described relay K 1 connects the emitter of triode Q2 and all ground connection, and its pin 3 connects the base stage of triode Q2, one end of its pin 4 connecting resistance R3, the other end of the collector electrode connecting resistance R3 of described triode Q2, the emitter of triode Q1, the base stage of described triode Q1 connects the pin 2 of slide rheostat R2, and its collector electrode connects the negative pole of out-put supply J2, the positive pole of another termination out-put supply J2 of described buffer U1.
2. a kind of charging circuit according to claim 1, is characterized in that: described triode Q1 selects the triode of NPN type number.
3. a kind of charging circuit according to claim 1, is characterized in that: described triode Q2 selects the triode of NPN type number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485361.XU CN204794199U (en) | 2015-07-07 | 2015-07-07 | Charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485361.XU CN204794199U (en) | 2015-07-07 | 2015-07-07 | Charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794199U true CN204794199U (en) | 2015-11-18 |
Family
ID=54534182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520485361.XU Expired - Fee Related CN204794199U (en) | 2015-07-07 | 2015-07-07 | Charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794199U (en) |
-
2015
- 2015-07-07 CN CN201520485361.XU patent/CN204794199U/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 | ||
| 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: 20151118 Termination date: 20160707 |