CN204794185U - Lithium batteries control circuit of solar energy power supply - Google Patents
Lithium batteries control circuit of solar energy power supply Download PDFInfo
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- CN204794185U CN204794185U CN201520432848.1U CN201520432848U CN204794185U CN 204794185 U CN204794185 U CN 204794185U CN 201520432848 U CN201520432848 U CN 201520432848U CN 204794185 U CN204794185 U CN 204794185U
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- thyristor
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- positive pole
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Abstract
The utility model provides a lithium batteries control circuit of solar energy power supply, include: solar electric source board charging circuit, boost circuit, tank and supervisory circuits, charging circuit is connected to the output of solar electric source board, charging circuit is connected with the lithium cell, the lithium cell passes through change over switch and connects boost circuit and tank respectively, tank's output connection monitoring circuit, rechargeable devices is connected to tank and boost circuit's output. The utility model discloses what the solar electric source board was exported is the DC voltage to power is low, charges through single -phase diode pair lithium cell, and simple structure, the voltage of diode pair input carry out the rectification, controls boost circuit through the thyristor, carries out filtering through electric capacity, is connected with external power through setting up tank, realizes solar energy and external power supply duplicate supply structure, assurance reliability of power supply.
Description
Technical field
The utility model relates to a kind of charge protector, particularly a kind of solar powered lithium cell charging control circuit.
Background technology
Current portable set has penetrated into the various aspects of routine work life, the electronic equipments such as mobile phone, panel computer and digital camera, and these portable sets generally adopt environmental protection, high power capacity, small size, memory-less effect, the life-span is long, high temperature performance is good lithium battery power supply, general lithium battery to be connected with power supply by power supply adaptor powers.
Along with the development of heliotechnics, solar energy is as potential regenerative resource, by converting solar energy into electrical energy as other power consumption equipments are powered, but solar cell is not a desirable power supply, its output characteristic affects by factors such as intensity of illumination and light frequency spectrums, and output current is very unstable, so solar cell can not Direct driver power device, and need solar cell to be first stored in storage battery, be then lithium battery power supply by storage battery.
Utility model content
The utility model, for the technical problem of above-mentioned existence, proposes a kind of solar powered lithium cell charging control circuit, improves the reliability of lithium cell charging.
The technical solution of the utility model is: a kind of solar powered lithium cell charging control circuit, comprise: solar power supply board charging circuit, booster circuit, accumulator and supervisory circuit, the output of described solar power supply board connects charging circuit, described charging circuit is connected with lithium battery, described lithium battery connects booster circuit and accumulator respectively by change over switch, the output of described accumulator connects supervisory circuit, and described accumulator is connected charging equipment with the output of booster circuit.
Further, described charging circuit is single-phase diode D1, and the described positive pole of single-phase diode D1 is connected with the cathode output end of solar power supply board, and the described negative pole of single-phase diode D1 is connected with the positive terminal of lithium battery.
Further, described booster circuit comprises inductance L 1, diode D2, thyristor V1 and electric capacity C1, one end of described inductance L 1 connects the cathode output end of lithium battery, the other end of inductance L 1 connects the positive pole of diode D2, the negative pole of described diode D2 connects the positive pole of electric capacity C1, the positive pole of described diode D2 is connected with the negative pole of thyristor V1, the plus earth of described thyristor V1, the gate leve of described thyristor V1 is connected with the negative pole of diode D2, and the negative pole of described diode D2 is connected with charging equipment.
Further, described accumulator comprises diode D4, resistance R6, triode Q1 and triode Q2, the positive pole of described diode D4 is connected with external power supply VCC, the negative pole of described diode D4 connects the positive pole of lithium battery, the positive pole of described diode D4 is connected with the collector electrode of triode Q1 by resistance R6, the base stage of described triode Q1 is connected with the collector electrode of triode Q1, the collector electrode of the negative pole connecting triode Q2 of described lithium battery, the base stage of described triode Q2 is connected with the base stage of triode Q1, the emitter of described triode Q1 and the grounded emitter of triode Q2.
Further, described supervisory circuit comprises resistance R1 ~ R5, light-emitting diode D3, thyristor V2 and thyristor V3, the gate leve of described thyristor V2 is connected with change over switch S by resistance R1, the negative pole of described thyristor V2 is connected with change over switch by resistance R3, the gate leve of described thyristor V2 is connected with the positive pole of thyristor V2 by resistance R2, the gate leve of described thyristor V3 is connected with the negative pole of thyristor V2, the negative pole of described thyristor V3 is connected with the negative pole of diode D4 by resistance R5, the gate leve of described thyristor V3 is connected with the positive pole of thyristor V2 by resistance R4, the two ends parallel-connection light-emitting diodes D3 of described resistance R5, the positive pole of described thyristor V2, the collector electrode of the positive pole difference connecting triode Q2 of thyristor V3.
The beneficial effects of the utility model: what the utility model solar power supply board exported is direct voltage, and power is low, by single-phase diode, lithium battery is charged, structure is simple, and the voltage of diode pair input carries out rectification, is controlled booster circuit by thyristor, filtering is carried out by electric capacity, being connected with extraneous power supply by arranging accumulator, realizing solar energy and external power supply duplicate supply structure, ensure the reliability of power supply.
Accompanying drawing explanation
Fig. 1 is a kind of solar powered lithium cell charging control circuit figure that the utility model proposes.
Embodiment
See Fig. 1, be a kind of solar powered lithium cell charging control circuit figure that the utility model proposes.
As shown in Figure 1, a kind of solar powered lithium cell charging control circuit, comprise: solar power supply board charging circuit, booster circuit, accumulator and supervisory circuit, the output of described solar power supply board connects charging circuit, described charging circuit is connected with lithium battery, described lithium battery connects booster circuit and accumulator respectively by change over switch, and the output of described accumulator connects supervisory circuit, and described accumulator is connected charging equipment with the output of booster circuit.
Further, described charging circuit is single-phase diode D1, and the described positive pole of single-phase diode D1 is connected with the cathode output end of solar power supply board, and the described negative pole of single-phase diode D1 is connected with the positive terminal of lithium battery.
In the utility model embodiment, what solar power supply board exported is direct voltage, and power is low, is charged to lithium battery by single-phase diode, and structure is simple.
Further, described booster circuit comprises inductance L 1, diode D2, thyristor V1 and electric capacity C1, one end of described inductance L 1 connects the cathode output end of lithium battery, the other end of inductance L 1 connects the positive pole of diode D2, the negative pole of described diode D2 connects the positive pole of electric capacity C1, the positive pole of described diode D2 is connected with the negative pole of thyristor V1, the plus earth of described thyristor V1, the gate leve of described thyristor V1 is connected with the negative pole of diode D2, and the negative pole of described diode D2 is connected with charging equipment.
In the utility model embodiment, by booster circuit by lithium battery 3.7V boost in voltage to 5.1V voltage, wherein inductance has energy storage effect, diode pair input voltage carry out rectification, by thyristor, booster circuit is controlled, carries out filtering by electric capacity.
Further, described accumulator comprises diode D4, resistance R6, triode Q1 and triode Q2, the positive pole of described diode D4 is connected with external power supply VCC, the negative pole of described diode D4 connects the positive pole of lithium battery, the positive pole of described diode D4 is connected with the collector electrode of triode Q1 by resistance R6, the base stage of described triode Q1 is connected with the collector electrode of triode Q1, the collector electrode of the negative pole connecting triode Q2 of described lithium battery, the base stage of described triode Q2 is connected with the base stage of triode Q1, the emitter of described triode Q1 and the grounded emitter of triode Q2.
Further, described supervisory circuit comprises resistance R1 ~ R5, light-emitting diode D3, thyristor V2 and thyristor V3, the gate leve of described thyristor V2 is connected with change over switch S by resistance R1, the negative pole of described thyristor V2 is connected with change over switch by resistance R3, the gate leve of described thyristor V2 is connected with the positive pole of thyristor V2 by resistance R2, the gate leve of described thyristor V3 is connected with the negative pole of thyristor V2, the negative pole of described thyristor V3 is connected with the negative pole of diode D4 by resistance R5, the gate leve of described thyristor V3 is connected with the positive pole of thyristor V2 by resistance R4, the two ends parallel-connection light-emitting diodes D3 of described resistance R5, the positive pole of described thyristor V2, the collector electrode of the positive pole difference connecting triode Q2 of thyristor V3.
What the utility model solar power supply board exported is direct voltage, and power is low, by single-phase diode, lithium battery is charged, structure is simple, and the voltage of diode pair input carries out rectification, is controlled booster circuit by thyristor, filtering is carried out by electric capacity, being connected with extraneous power supply by arranging accumulator, realizing solar energy and external power supply duplicate supply structure, ensure the reliability of power supply.
Above the utility model is described in detail, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (5)
1. a solar powered lithium cell charging control circuit, it is characterized in that, comprise: solar power supply board charging circuit, booster circuit, accumulator and supervisory circuit, the output of described solar power supply board connects charging circuit, described charging circuit is connected with lithium battery, described lithium battery connects booster circuit and accumulator respectively by change over switch, and the output of described accumulator connects supervisory circuit, and described accumulator is connected charging equipment with the output of booster circuit.
2. a kind of solar powered lithium cell charging control circuit according to claim 1, it is characterized in that, described charging circuit is single-phase diode D1, the described positive pole of single-phase diode D1 is connected with the cathode output end of solar power supply board, and the described negative pole of single-phase diode D1 is connected with the positive terminal of lithium battery.
3. a kind of solar powered lithium cell charging control circuit according to claim 1, it is characterized in that, described booster circuit comprises inductance L 1, diode D2, thyristor V1 and electric capacity C1, one end of described inductance L 1 connects the cathode output end of lithium battery, the other end of inductance L 1 connects the positive pole of diode D2, the negative pole of described diode D2 connects the positive pole of electric capacity C1, the positive pole of described diode D2 is connected with the negative pole of thyristor V1, the plus earth of described thyristor V1, the gate leve of described thyristor V1 is connected with the negative pole of diode D2, the negative pole of described diode D2 is connected with charging equipment.
4. a kind of solar powered lithium cell charging control circuit according to claim 1, it is characterized in that, described accumulator comprises diode D4, resistance R6, triode Q1 and triode Q2, the positive pole of described diode D4 is connected with external power supply VCC, the negative pole of described diode D4 connects the positive pole of lithium battery, the positive pole of described diode D4 is connected with the collector electrode of triode Q1 by resistance R6, the base stage of described triode Q1 is connected with the collector electrode of triode Q1, the collector electrode of the negative pole connecting triode Q2 of described lithium battery, the base stage of described triode Q2 is connected with the base stage of triode Q1, the emitter of described triode Q1 and the grounded emitter of triode Q2.
5. a kind of solar powered lithium cell charging control circuit according to claim 1, it is characterized in that, described supervisory circuit comprises resistance R1 ~ R5, light-emitting diode D3, thyristor V2 and thyristor V3, the gate leve of described thyristor V2 is connected with change over switch S by resistance R1, the negative pole of described thyristor V2 is connected with change over switch by resistance R3, the gate leve of described thyristor V2 is connected with the positive pole of thyristor V2 by resistance R2, the gate leve of described thyristor V3 is connected with the negative pole of thyristor V2, the negative pole of described thyristor V3 is connected with the negative pole of diode D4 by resistance R5, the gate leve of described thyristor V3 is connected with the positive pole of thyristor V2 by resistance R4, the two ends parallel-connection light-emitting diodes D3 of described resistance R5, the positive pole of described thyristor V2, the collector electrode of the positive pole difference connecting triode Q2 of thyristor V3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432848.1U CN204794185U (en) | 2015-06-19 | 2015-06-19 | Lithium batteries control circuit of solar energy power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520432848.1U CN204794185U (en) | 2015-06-19 | 2015-06-19 | Lithium batteries control circuit of solar energy power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794185U true CN204794185U (en) | 2015-11-18 |
Family
ID=54534168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520432848.1U Expired - Fee Related CN204794185U (en) | 2015-06-19 | 2015-06-19 | Lithium batteries control circuit of solar energy power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794185U (en) |
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2015
- 2015-06-19 CN CN201520432848.1U patent/CN204794185U/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: 20160619 |