CN204905373U - A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery - Google Patents

A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery Download PDF

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Publication number
CN204905373U
CN204905373U CN201520582406.5U CN201520582406U CN204905373U CN 204905373 U CN204905373 U CN 204905373U CN 201520582406 U CN201520582406 U CN 201520582406U CN 204905373 U CN204905373 U CN 204905373U
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China
Prior art keywords
circuit
short
lithium ion
ion battery
light
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Expired - Fee Related
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CN201520582406.5U
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Chinese (zh)
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连德伦
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Individual
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery, including the power source, circuit indicating module and the anti -overcharging that are used for connecting solar cell and prevent short -circuit protection circuit, power source is connected to anti -overcharging and prevents short -circuit protection circuit through circuit indicating module, anti -overcharging and prevent the output of short -circuit protection circuit's output as this charger. The utility model discloses an anti -overcharging and prevent short -circuit protection circuit and circuit indicating module's combination has realized not charging to there being the safety of filling and not having short -circuit protection lithium ion battery on the market, has effectively eliminated because potential safety hazard that solar cell voltage unstability was brought to adopt the simple construct to realize the automatic suggestion to filling the electrical works state, using -way simple and practical. The utility model relates to a but a solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery wide application in solar charging ware field.

Description

A kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery
Technical field
The utility model relates to solar charger field, especially a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery.
Background technology
Lithium ion battery is widely used in the market, such as, be all use this battery at some chargeable flashlight, portable power sources etc., and the lithium ion battery wherein adopted is generally without to overcharge and without short-circuit protection.For preventing charging from overcharging, the charging voltage that these batteries use is 4.2V.
Present solar energy is used widely; but utilizing solar cell to find without when overcharging and charge without the lithium ion battery of short-circuit protection; because the voltage of solar cell is relevant to the quantity of illumination that it is subject in real time; therefore its output can cannot be stabilized in 4.2V in very wide range; thus may, to without to overcharge and lithium ion battery without short-circuit protection causes damage, especially dangerous situation may be caused to occur due to long high-voltage charge.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is: a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery.
The technical scheme that the utility model adopts is: a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery; include the power interface for connecting solar cell, circuit indicating module and anti-overcharge and against short-circuit protective circuit; described power interface is connected to anti-overcharge and against short-circuit protective circuit by circuit indicating module, and the output of described anti-overcharge and against short-circuit protective circuit is as the output of this charger.
Further, described circuit indicating module includes diode, first resistance, second resistance, variable resistor, voltage comparator and the first light-emitting diode, the positive pole of described power interface is connected to the anode of diode respectively, one end of first resistance, the positive supply input of voltage comparator and the anode of the first light-emitting diode, the negative electrode of described diode is connected to variable-resistance one end and positive input terminal that is anti-overcharge and against short-circuit protective circuit respectively, the other end of described first resistance is connected to the negative input end of voltage comparator and one end of the second resistance respectively, the positive input terminal of described voltage comparator is connected with variable-resistance convertible tip, the output of described voltage comparator is connected with the negative electrode of the first light-emitting diode, the negative pole of described power interface is connected to the negative supply input of voltage comparator respectively, the other end of the second resistance, the variable-resistance other end and negative input end that is anti-overcharge and against short-circuit protective circuit.
Further, described circuit indicating module also includes the second light-emitting diode and the 4th resistance, the positive pole of described power interface is also connected to the anode of the second light-emitting diode, and the negative electrode of described second light-emitting diode is connected to the negative pole of power interface by the 4th resistance.
Further, described first light-emitting diode and the second light-emitting diode use the light-emitting diode of different colours.
Further, described power interface is connected with solar panel.
The beneficial effects of the utility model are: the utility model is by anti-overcharge and against short-circuit protective circuit and circuit indicating module combination; achieve on the market without to overcharge and without the safe charging of short-circuit protection lithium ion battery; effectively eliminate the potential safety hazard brought because solar array voltage is unstable; and adopt simple structure to achieve automatic-prompting to charger operation state, occupation mode is simple and practical.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the particular circuit configurations figure of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
With reference to Fig. 1; a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery; include the power interface for connecting solar cell, circuit indicating module and anti-overcharge and against short-circuit protective circuit; described power interface is connected to anti-overcharge and against short-circuit protective circuit by circuit indicating module, and the output of described anti-overcharge and against short-circuit protective circuit is as the output of this charger.
With reference to Fig. 2, be further used as preferred embodiment, described circuit indicating module includes diode D1, first resistance R1, second resistance R2, variable resistor R3, voltage comparator ic and the first light-emitting diode D3, the positive pole of described power interface is connected to the anode of diode D1 respectively, one end of first resistance R1, the positive supply input of voltage comparator ic and the anode of the first light-emitting diode D3, the negative electrode of described diode D1 is connected to one end of variable resistor R3 and positive input terminal that is anti-overcharge and against short-circuit protective circuit respectively, the other end of described first resistance R1 is connected to the negative input end of voltage comparator ic and one end of the second resistance R2 respectively, the positive input terminal of described voltage comparator ic is connected with the convertible tip of variable resistor R3, the output of described voltage comparator ic is connected with the negative electrode of the first light-emitting diode D3, the negative pole of described power interface is connected to the negative supply input of voltage comparator ic respectively, the other end of the second resistance R2, the other end of variable resistor R3 and negative input end that is anti-overcharge and against short-circuit protective circuit.
In this execution mode, when solar array voltage output reaches certain value, will by D1 to lithium ion cell charging, pass through owing to there being electric current, the pressure drop of a direct current can be produced at the two ends of D1, now the negative input end magnitude of voltage of voltage comparator is greater than the positive input terminal voltage of voltage comparator, and voltage comparator exports as low level, and light-emitting diode D3 lights; When lithium ion battery is full of electricity; no matter now why the output voltage of solar cell is worth; anti-overcharge and against short-circuit protective circuit can start; automatic cut-out charge power supply, lithium ion battery are protected, and D1 diode flows through owing to not having electric current simultaneously, and its both end voltage is identical; there is no pressure drop; the negative input end magnitude of voltage of voltage comparator is less than the positive input terminal voltage of voltage comparator, and voltage comparator exports high level, and light-emitting diode D3 does not work.
With reference to Fig. 2, be further used as preferred embodiment, described circuit indicating module also includes the second light-emitting diode D2 and the 4th resistance R4, the positive pole of described power interface is also connected to the anode of the second light-emitting diode D2, and the negative electrode of described second light-emitting diode D2 is connected to the negative pole of power interface by the 4th resistance R4; Produce voltage output when solar cell is subject to illumination, then the second light-emitting diode D2 is lit and plays suggesting effect.
Be further used as preferred embodiment, described first light-emitting diode D1 and the second light-emitting diode D2 uses the light-emitting diode of different colours.
Be further used as preferred embodiment, described power interface is connected with solar panel.
The utility model can connect various solar cell by power interface, and occupation mode is flexible, in addition, also can by solar cell directly and circuit indicating module, anti-overcharge and against short-circuit protective circuit make integrated setting.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalents or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.

Claims (5)

1. one kind for without to overcharge and without the solar charger of short-circuit protection lithium ion battery; it is characterized in that: include the power interface for connecting solar cell, circuit indicating module and anti-overcharge and against short-circuit protective circuit; described power interface is connected to anti-overcharge and against short-circuit protective circuit by circuit indicating module, and the output of described anti-overcharge and against short-circuit protective circuit is as the output of this charger.
2. according to claim 1 a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery, it is characterized in that: described circuit indicating module includes diode (D1), first resistance (R1), second resistance (R2), variable resistor (R3), voltage comparator (IC) and the first light-emitting diode (D3), the positive pole of described power interface is connected to the anode of diode (D1) respectively, one end of first resistance (R1), the positive supply input of voltage comparator (IC) and the anode of the first light-emitting diode (D3), the negative electrode of described diode (D1) is connected to one end of variable resistor (R3) and positive input terminal that is anti-overcharge and against short-circuit protective circuit respectively, the other end of described first resistance (R1) is connected to the negative input end of voltage comparator (IC) and one end of the second resistance (R2) respectively, the positive input terminal of described voltage comparator (IC) is connected with the convertible tip of variable resistor (R3), the output of described voltage comparator (IC) is connected with the negative electrode of the first light-emitting diode (D3), the negative pole of described power interface is connected to the negative supply input of voltage comparator (IC) respectively, the other end of the second resistance (R2), the other end of variable resistor (R3) and negative input end that is anti-overcharge and against short-circuit protective circuit.
3. according to claim 2 a kind of for without to overcharge and without the solar charger of short-circuit protection lithium ion battery; it is characterized in that: described circuit indicating module also includes the second light-emitting diode (D2) and the 4th resistance (R4); the positive pole of described power interface is also connected to the anode of the second light-emitting diode (D2), and the negative electrode of described second light-emitting diode (D2) is connected to the negative pole of power interface by the 4th resistance (R4).
4. according to claim 3 a kind of for without overcharging and without the solar charger of short-circuit protection lithium ion battery, it is characterized in that: described first light-emitting diode (D1) and the second light-emitting diode (D2) use the light-emitting diode of different colours.
5. according to claim 1 a kind of for without overcharging and without the solar charger of short-circuit protection lithium ion battery, it is characterized in that: described power interface is connected with solar panel.
CN201520582406.5U 2015-08-05 2015-08-05 A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery Expired - Fee Related CN204905373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520582406.5U CN204905373U (en) 2015-08-05 2015-08-05 A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520582406.5U CN204905373U (en) 2015-08-05 2015-08-05 A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery

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CN204905373U true CN204905373U (en) 2015-12-23

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CN201520582406.5U Expired - Fee Related CN204905373U (en) 2015-08-05 2015-08-05 A solar charging ware for having cross and to fill and not to have a short -circuit protection lithium ion battery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928812A (en) * 2021-03-30 2021-06-08 杨永涛 Solar power supply optimizing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112928812A (en) * 2021-03-30 2021-06-08 杨永涛 Solar power supply optimizing device

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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: 20151223

Termination date: 20160805