CN205304371U - Lithium cell photovoltaic charging circuit - Google Patents
Lithium cell photovoltaic charging circuit Download PDFInfo
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- CN205304371U CN205304371U CN201620012329.4U CN201620012329U CN205304371U CN 205304371 U CN205304371 U CN 205304371U CN 201620012329 U CN201620012329 U CN 201620012329U CN 205304371 U CN205304371 U CN 205304371U
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Abstract
The utility model discloses a lithium cell photovoltaic charging circuit, including resistance R2, electric capacity C5, solar panel T, lithium cell E and diode D1, electric capacity C5 and 220V alternating current are connected to resistance R2's one end, and electric capacity C5's the other end and rectifier bridge W's port 1 are connected to resistance R2's the other end, and relay J1's contact J1 -1's motionless 1, solar panel T's at the end one end connection diode D1's positive pole is connected to rectifier bridge W's port 2, and relay J1's contact J1 -1's motionless end 2 is connected to diode D1's negative pole. The utility model discloses lithium cell photovoltaic charging circuit utilizes potentiometre and 555 time -recorders to constitute the battery power monitoring module, through relay control circuit's break -make, be full of back automatic disconnection charging loops at the battery, the harm having avoided completely overcharging and caused the lithium cell, simultaneously circuit arrangement two kinds of modules of charging, realized the automatic switch -over that the photovoltaic charges and charge with the commercial power through light -dependent control element, have consequently that the function is various, long service life and an energy -concerving and environment -protective advantage.
Description
Technical field
This utility model relates to a kind of charging circuit, specifically a kind of photovoltaic charged circuit of lithium battery.
Background technology
Solar energy is a kind of safety, environmental protection, the reproducible energy, therefore the primary study object of 21 century energy field is become, nowadays solar street light, the equipment such as solar water heater have been popularized, people began to use the charge power supply using solar energy as portable equipment in recent years, it is greatly convenient to bring to the life of people, but the uncontrollability due to sunlight, easily cause excessive pressure damages, thus reducing the life-span of rechargeable battery, charge mode conventional in the market is trickle charge, can only locally reduce overshoot electrical lesion, and existing photovoltaic charger can only use solar energy, cannot use when running into bad weather, use scope is less.
Utility model content
The purpose of this utility model is in that to provide a kind of photovoltaic charged circuit of lithium battery, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of photovoltaic charged circuit of lithium battery, including resistance R2, electric capacity C5, solar panels T, lithium battery E and diode D1, one end of described resistance R2 connects electric capacity C5 and 220V alternating current, the other end of resistance R2 connects the other end of electric capacity C5 and the port 1 of rectifier bridge W, the port 2 of rectifier bridge W connects not moved end 1 of the contact J1-1 of relay J 1, one end of solar panels T connects the anode of diode D1, the negative electrode of diode D1 connects not moved end 2 of the contact J1-1 of relay J 1, the moved end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2, the other end of the contact J2-1 of relay J 2 connects a fixing end of potentiometer RP1, the fixing end of of potentiometer RP2, the positive pole of lithium battery E, the colelctor electrode of audion V1 and the pin 1 of chip IC 1, the other end of solar panels T connects electric capacity C1, electric capacity C4, electric capacity C6, another fixing end of potentiometer RP1, another fixing end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge W, the anode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 2, the sliding end of potentiometer RP1 connects the pin 6 of chip IC 2, the emitter stage of audion V1 connects the other end of relay J 1 and the other end of electric capacity C6, the sliding end of potentiometer RP2 connects the pin 2 of chip IC 2 and the other end of electric capacity C1, the pin 2 of chip IC 1 connects electric capacity C2 ground connection, the pin 3 of chip IC 1 connects resistance R1, the pin 8 of electric capacity C3 and chip IC 2, the other end of resistance R1 connects the other end of electric capacity C2 and the pin 4 of chip IC 2, the other end ground connection of electric capacity C3, the pin 5 of chip IC 2 connects the other end of electric capacity C4, the pin 3 of chip IC 2 connects the other end of relay J and the negative electrode of diode D2, described chip IC 1 is 7809 three terminal regulators, chip IC 2 is 555 timers.
As preferred version of the present utility model: described audion V1 is phototriode.
Compared with prior art, the beneficial effects of the utility model are: the photovoltaic charged circuit of this utility model lithium battery utilizes potentiometer and 555 timers composition battery electric quantity monitoring module, by the break-make of control relay circuit, automatically charge circuit is disconnected after battery is full of, completely avoid the infringement that lithium battery is caused by overcharge, circuit is provided with two kinds of charging modules simultaneously, photovoltaic charged and commercial power charged automatic switchover is achieved, the advantage therefore with diverse in function, long service life and energy-conserving and environment-protective by light-dependent control element.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the photovoltaic charged circuit of lithium battery;
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Referring to Fig. 1, in this utility model embodiment, a kind of photovoltaic charged circuit of lithium battery, including resistance R2, electric capacity C5, solar panels T, lithium battery E and diode D1, one end of described resistance R2 connects electric capacity C5 and 220V alternating current, the other end of resistance R2 connects the other end of electric capacity C5 and the port 1 of rectifier bridge W, the port 2 of rectifier bridge W connects not moved end 1 of the contact J1-1 of relay J 1, one end of solar panels T connects the anode of diode D1, the negative electrode of diode D1 connects not moved end 2 of the contact J1-1 of relay J 1, the moved end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2, the other end of the contact J2-1 of relay J 2 connects a fixing end of potentiometer RP1, the fixing end of of potentiometer RP2, the positive pole of lithium battery E, the colelctor electrode of audion V1 and the pin 1 of chip IC 1, the other end of solar panels T connects electric capacity C1, electric capacity C4, electric capacity C6, another fixing end of potentiometer RP1, another fixing end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge W, the anode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 2, the sliding end of potentiometer RP1 connects the pin 6 of chip IC 2, the emitter stage of audion V1 connects the other end of relay J 1 and the other end of electric capacity C6, the sliding end of potentiometer RP2 connects the pin 2 of chip IC 2 and the other end of electric capacity C1, the pin 2 of chip IC 1 connects electric capacity C2 ground connection, the pin 3 of chip IC 1 connects resistance R1, the pin 8 of electric capacity C3 and chip IC 2, the other end of resistance R1 connects the other end of electric capacity C2 and the pin 4 of chip IC 2, the other end ground connection of electric capacity C3, the pin 5 of chip IC 2 connects the other end of electric capacity C4, the pin 3 of chip IC 2 connects the other end of relay J and the negative electrode of diode D2, described chip IC 1 is 7809 three terminal regulators, chip IC 2 is 555 timers.
Audion V1 is phototriode.
Operation principle of the present utility model is: first photoconductive resistance V1 is as light-intensity test element, when having illumination, audion V1 turns on, relay J 1 adhesive, its contact J1-1 connects not moved end 2, circuit is powered by solar panels T, when insufficient light, audion V1 ends, relay J 1 disconnects, its contact J1-1 connects not moved end 1, powered by 220V line voltage, time solar powered: solar panels T completes opto-electronic conversion and by non-return diode D1, electric energy is transferred to charging control circuit, when 220V line voltage is powered, 220V line voltage is powered to charging control circuit after R2 and C5 blood pressure lowering and rectifier bridge W rectification, charging control circuit is by sample circuit, bistable circuit and relay etc. form.Wherein sample circuit is divided into upper and lower bound sample circuit. The upper limit sample circuit being made up of potentiometer RP1 connects by 6 feet of chip IC 2 bistable circuit, and the lower limit sample circuit being made up of potentiometer RP2 connects triggering end 2 foot of IC2. When lithium battery voltage makes 2 foot current potentials lower than the set voltage of chip IC 2, there is set in chip IC 2, and the high level of its 3 foot output makes J2 adhesive, and contact J2 1 connects, and lithium battery E starts to charge up. When lithium battery E voltage is charged to sufficiently high, when making the resetting voltage that the 6 foot current potentials of IC2 are higher than 555,555 reset, the low level of its 3 foot output makes relay J 2 discharge, contact J2-1 disconnects, and charge circuit stops charging, is overcharged thus being prevented effectively from lithium battery E. Circuit utilizes potentiometer and 555 timers composition battery electric quantity monitoring module, by the break-make of control relay circuit, automatically charge circuit is disconnected after battery is full of, completely avoid the infringement that lithium battery is caused by overcharge, circuit is provided with two kinds of charging modules simultaneously, photovoltaic charged and commercial power charged automatic switchover is achieved, the advantage therefore with diverse in function, long service life and energy-conserving and environment-protective by light-dependent control element.
Claims (2)
1. the photovoltaic charged circuit of lithium battery, including resistance R2, electric capacity C5, solar panels T, lithium battery E and diode D1, it is characterized in that, one end of described resistance R2 connects electric capacity C5 and 220V alternating current, the other end of resistance R2 connects the other end of electric capacity C5 and the port 1 of rectifier bridge W, the port 2 of rectifier bridge W connects not moved end 1 of the contact J1-1 of relay J 1, one end of solar panels T connects the anode of diode D1, the negative electrode of diode D1 connects not moved end 2 of the contact J1-1 of relay J 1, the moved end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2, the other end of the contact J2-1 of relay J 2 connects a fixing end of potentiometer RP1, the fixing end of of potentiometer RP2, the positive pole of lithium battery E, the colelctor electrode of audion V1 and the pin 1 of chip IC 1, the other end of solar panels T connects electric capacity C1, electric capacity C4, electric capacity C6, another fixing end of potentiometer RP1, another fixing end of potentiometer RP2, the negative pole of lithium battery E, the port 4 of rectifier bridge W, the anode of diode D2, relay J 1, the pin 1 of relay J 2 and chip IC 2, the sliding end of potentiometer RP1 connects the pin 6 of chip IC 2, the emitter stage of audion V1 connects the other end of relay J 1 and the other end of electric capacity C6, the sliding end of potentiometer RP2 connects the pin 2 of chip IC 2 and the other end of electric capacity C1, the pin 2 of chip IC 1 connects electric capacity C2 ground connection, the pin 3 of chip IC 1 connects resistance R1, the pin 8 of electric capacity C3 and chip IC 2, the other end of resistance R1 connects the other end of electric capacity C2 and the pin 4 of chip IC 2, the other end ground connection of electric capacity C3, the pin 5 of chip IC 2 connects the other end of electric capacity C4, the pin 3 of chip IC 2 connects the other end of relay J and the negative electrode of diode D2, described chip IC 1 is 7809 three terminal regulators, chip IC 2 is 555 timers.
2. a kind of photovoltaic charged circuit of lithium battery according to claim 1, it is characterised in that described audion V1 is phototriode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012329.4U CN205304371U (en) | 2016-01-08 | 2016-01-08 | Lithium cell photovoltaic charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012329.4U CN205304371U (en) | 2016-01-08 | 2016-01-08 | Lithium cell photovoltaic charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304371U true CN205304371U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620012329.4U Expired - Fee Related CN205304371U (en) | 2016-01-08 | 2016-01-08 | Lithium cell photovoltaic charging circuit |
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| Country | Link |
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| CN (1) | CN205304371U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026473A (en) * | 2017-05-06 | 2017-08-08 | 杨子琦 | A kind of grid-connected control cabinet of novel intelligent economize on electricity |
| CN107181307A (en) * | 2017-06-14 | 2017-09-19 | 深圳市全智芯科技有限公司 | Battery multi-source charge protector |
| CN110319406A (en) * | 2019-06-14 | 2019-10-11 | 广东松润智能科技有限公司 | A kind of solar energy family street lamp with camera |
-
2016
- 2016-01-08 CN CN201620012329.4U patent/CN205304371U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107026473A (en) * | 2017-05-06 | 2017-08-08 | 杨子琦 | A kind of grid-connected control cabinet of novel intelligent economize on electricity |
| CN107181307A (en) * | 2017-06-14 | 2017-09-19 | 深圳市全智芯科技有限公司 | Battery multi-source charge protector |
| CN110319406A (en) * | 2019-06-14 | 2019-10-11 | 广东松润智能科技有限公司 | A kind of solar energy family street lamp with camera |
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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: 20160608 Termination date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |