CN103956711B - Wild animal miniature tracker li-ion cell protection method and device - Google Patents
Wild animal miniature tracker li-ion cell protection method and device Download PDFInfo
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- CN103956711B CN103956711B CN201410174977.5A CN201410174977A CN103956711B CN 103956711 B CN103956711 B CN 103956711B CN 201410174977 A CN201410174977 A CN 201410174977A CN 103956711 B CN103956711 B CN 103956711B
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Abstract
A kind of wild animal miniature tracker li-ion cell protection method and device; include solar cell and lithium battery; by solar cell output two ends to lithium cell charging; a voltage stabilizing reference circuit in parallel at the output two ends of solar cell, between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit.Described voltage stabilizing reference circuit is composed in series 4.5V voltage stabilizing benchmark by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube, and described diode circuit is 0.3V pressure drop Schottky diode.It is simple that the present invention designs circuit, reduces the use of components and parts, improves rechargeable solar battery efficiency, protects lithium battery, prevents it from overcharging, and can be suitably used for the needs of other various micromodule equipments.
Description
Technical field
The present invention relates to miniature electronic technical field of communication equipment, be specifically related to lithium battery solar charge protection method and the device of the miniature tracker of a kind of wild animal.
Background technology
The appearance of energy crisis and the deterioration of environmental pollution, make solar energy obtain the great attention of countries in the world as clean reproducible energy.Along with the development of heliotechnics, the application in portable of the most ultra-thin, ultralight photovoltaic cell has obtained developing on a large scale very much.Solar battery charger has broken away from the constraint of traditional charge power supply, energy-conservation, and environmental protection has good development prospect.
Owing to the power output of photovoltaic cell is affected by the environmental factor such as illumination, temperature, so lithium ion battery should be charged as the charger using electric main by solar charger safely and fast, again the change of environment temperature, intensity of illumination and other external conditions is incorporated charge control method, determine the optimum topology structure of charge controller, the output power from photovoltaic cells could be realized and maximize.
In the long run; improvement and the invention of new optical-electronic conversion equipment along with solar cell manufacturing technology; various countries are to the protection of environment and the great demand to regeneration clean energy resource; solar cell will be to utilize the more practicable method of solar radiant energy, can be that human future utilizes solar energy to open vast vistas on a large scale.
Summary of the invention
The technical problem to be solved is: solve the problem that above-mentioned prior art exists; and a kind of wild animal miniature tracker li-ion cell protection method and device is provided; design circuit is simple; reduce the use of components and parts; improve rechargeable solar battery efficiency; protection lithium battery, prevents it from overcharging, and can be suitably used for the needs of other various micromodule equipments.
The technical solution used in the present invention is:
A kind of wild animal miniature tracker li-ion cell protection method; by solar cell output two ends to lithium cell charging; a voltage stabilizing reference circuit in parallel at the output two ends of solar cell, between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit.
In technique scheme, described voltage stabilizing reference circuit is composed in series 4.5V voltage stabilizing benchmark by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube, and described diode circuit is 0.3V pressure drop Schottky diode.
A kind of wild animal miniature tracker lithium cell protecting device; including solar cell and lithium battery; solar cell exports positive and negative two ends and connects the positive and negative the two poles of the earth of lithium battery; the positive and negative two ends of output at a solar cell voltage stabilizing reference circuit in parallel; described voltage stabilizing reference circuit is composed in series by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube; between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit, and described diode circuit is 0.3V pressure drop Schottky diode.
Circuit design of the present invention is simple, only uses two voltage-stabiliser tubes and a Schottky diode has just reached requirement, and this method substantially reduces the volume and weight of equipment, is particularly suitable for micromodule equipment.And solar cell output procedure does not has unnecessary loss, improve rechargeable solar battery efficiency.The particularly present invention is effectively prevented lithium battery and overcharges, and arrives the purpose of protection lithium battery.
The present invention is with a kind of rechargeable solar battery and lithium battery protection circuit method for designing; owing to lithium battery to be protected prevents it from overcharging; so using 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube composition 4.5V series voltage benchmark; and in parallel with the series circuit that 0.3V pressure drop Schottky diode and lithium battery form, solar cell charge to battery.Secondly, to use on micromodule equipment, make circuit simple as far as possible, reduce the use of components and parts, reach to improve the charge efficiency of solar energy, reduced the purpose of volume and weight.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present invention:
In figure, 1-solar cell, 2-lithium battery.
Detailed description of the invention
See Fig. 1; the wild animal miniature tracker li-ion cell protection method of the present invention; by solar cell output two ends to lithium cell charging; a voltage stabilizing reference circuit in parallel at the output two ends of solar cell, between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit.
Above-mentioned voltage stabilizing reference circuit is composed in series 4.5V voltage stabilizing benchmark by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube, and described diode circuit is 0.3V pressure drop Schottky diode.
A kind of wild animal miniature tracker lithium cell protecting device; including solar cell and lithium battery; solar cell exports positive and negative two ends and connects the positive and negative the two poles of the earth of lithium battery; the positive and negative two ends of output at a solar cell voltage stabilizing reference circuit in parallel; described voltage stabilizing reference circuit is composed in series by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube; between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit, and described diode circuit is 0.3V pressure drop Schottky diode.
Rechargeable solar battery and lithium battery protection circuit are designed by the present invention; use 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube composition 4.5V series voltage benchmark; and in parallel with the series circuit that 0.3V pressure drop Schottky diode and lithium battery form, solar cell charge to battery.When a point voltage is less than 4.2V, solar cell forward is to lithium cell charging；When a point voltage is higher than 4.2V, voltage-stabiliser tube reverse breakdown, form short circuit current with solar cell, be effectively prevented lithium battery and overcharge, arrive the purpose of protection lithium battery.
Claims (2)
1. a wild animal miniature tracker li-ion cell protection method; by solar cell output two ends to lithium cell charging; a voltage stabilizing reference circuit in parallel at the output two ends of solar cell, between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit；It is characterized in that, described voltage stabilizing reference circuit is composed in series 4.5V voltage stabilizing benchmark by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube, and described diode circuit is 0.3V pressure drop Schottky diode.
2. a wild animal miniature tracker lithium cell protecting device; it is characterized in that; including solar cell and lithium battery; solar cell exports positive and negative two ends and connects the positive and negative the two poles of the earth of lithium battery; the positive and negative two ends of output at a solar cell voltage stabilizing reference circuit in parallel; described voltage stabilizing reference circuit is composed in series by 2.5VLM4040 voltage-stabiliser tube and 2.0VLM4040 voltage-stabiliser tube; between the output plus terminal and lithium battery anode of solar cell, forward is connected a diode circuit, and described diode circuit is 0.3V pressure drop Schottky diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410174977.5A CN103956711B (en) | 2014-04-29 | 2014-04-29 | Wild animal miniature tracker li-ion cell protection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410174977.5A CN103956711B (en) | 2014-04-29 | 2014-04-29 | Wild animal miniature tracker li-ion cell protection method and device |
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| Publication Number | Publication Date |
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| CN103956711A CN103956711A (en) | 2014-07-30 |
| CN103956711B true CN103956711B (en) | 2016-08-17 |
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| CN201410174977.5A Active CN103956711B (en) | 2014-04-29 | 2014-04-29 | Wild animal miniature tracker li-ion cell protection method and device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202503717U (en) * | 2012-02-27 | 2012-10-24 | 阮小青 | Solar energy light-operated light emitting diode array lamp capable of automatic turning on and off |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55146983A (en) * | 1979-05-04 | 1980-11-15 | Mitsubishi Electric Corp | Mimic device of solar battery |
| JP2006067759A (en) * | 2004-08-30 | 2006-03-09 | Tokyo Coil Engineering Kk | Power supply apparatus using solar battery |
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- 2014-04-29 CN CN201410174977.5A patent/CN103956711B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202503717U (en) * | 2012-02-27 | 2012-10-24 | 阮小青 | Solar energy light-operated light emitting diode array lamp capable of automatic turning on and off |
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| CN103956711A (en) | 2014-07-30 |
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