CN202495797U - Solar energy weak-light charging circuit - Google Patents
Solar energy weak-light charging circuit Download PDFInfo
- Publication number
- CN202495797U CN202495797U CN2012201246791U CN201220124679U CN202495797U CN 202495797 U CN202495797 U CN 202495797U CN 2012201246791 U CN2012201246791 U CN 2012201246791U CN 201220124679 U CN201220124679 U CN 201220124679U CN 202495797 U CN202495797 U CN 202495797U
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- solar energy
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- charging
- charging circuit
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a solar energy weak-light charging circuit and relates to the field of solar energy, being especially applicable to solar energy charging application. The main objective of the utility model is to provide a simple circuit to enable a solar energy charging device to work normally under a weak-light condition. The solar energy weak-light charging circuit comprises a solar energy cell sheet, a voltage detection unit, a capacity detection unit, a direct charging unit and a charging battery. The solar energy cell sheet is connected to the direct charging unit. The solar energy weak-light charging circuit also comprises a voltage-boosting unit and a low-voltage electricity storage unit. The voltage detection unit comprises a voltage sampling module. The voltage detection unit, the capacity detection unit and the low-voltage electricity storage unit are connected with the voltage-boosting unit successively; the direct charging unit is in parallel with the low-voltage electricity storage unit and the voltage-boosting unit which are in series, and the direct charging unit is also connected with the charging battery. According to the solar energy weak-light charging circuit, a weak-light charging circuit is connected in the original solar energy charging circuit, which enables the solar energy charger to work normally under the weak-light condition. Therefore, charging capacity of a solar panel for the battery can be effectively improved.
Description
Technical field
The utility model relates to field of solar energy, especially is suitable for the application of solar recharging.
Background technology
The conventional solar cells plate usually can only the absorption portion solar spectrum; And usually only when absorbing the sunlight of direct projection operating efficiency higher; Therefore a lot of solar energy equipments all are equipped with automatic adjustment system; To guarantee that solar panel keeps helping most endergonic angle with the sun all the time, because the voltage that solar panels produce when the low light level is lower, rechargeable battery can't directly store the energy of solar panels output.In common family expenses charger, use such automatic adjustment system cost high, and manufacturing process is complicated.
The utility model content
The problem that the utility model will solve provides a kind of simple circuit, makes solar charger ability operate as normal under the low light condition.
The utility model is realized through following technical scheme:
Solar energy low light level charging circuit; Comprise solar battery sheet, voltage detection unit, capacity check unit, directly fill unit and rechargeable battery; Said solar battery sheet with directly fill the unit and be connected; Also comprise boosting unit, low-voltage electric weight memory cell, said voltage detection unit comprises the voltage sampling module, and described voltage detection unit, capacity check unit, low-voltage electric weight memory cell are connected with boosting unit successively; Said directly to fill the unit parallelly connected with the low-voltage electric weight memory cell and the boosting unit that are connected in series, and be connected with rechargeable battery.
Further, said voltage detection unit and capacity check unit comprise pull-up resistor, pull down resistor, electric capacity and metal-oxide-semiconductor, are responsible for obtaining of low voltage value.Said low-voltage electric weight memory cell comprises polar capacitor and resistance, is responsible for the storage of electric weight.Said boosting unit comprises an IC and peripheral circuit, is responsible for the electric weight in the electric capacity is boosted and exports battery to.
The utility model circuit that only an external low light level is handled on original charging circuit; Just can overcome solar energy can not be to the deficiency of battery charge when the low light level; Depress the effect that also can store electric weight in different electric through electric capacity; When the electric weight of electric capacity storage reaches set point, to battery charge, can obtain good charge efficiency through boosting mode.
Description of drawings
Fig. 1 is the circuit diagram of the utility model;
Fig. 2 is the block diagram of the utility model.
A, solar battery sheet; B, voltage detection unit; C, capacity check unit; D, low-voltage electric weight memory cell; E, rechargeable battery; F, directly fill the unit.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
Solar energy low light level charging circuit like Fig. 1 and shown in Figure 2, comprises solar battery sheet A, voltage detection unit B, capacity check unit C, low-voltage electric weight memory cell D, boosting unit E, directly fills unit (F) and rechargeable battery G.BT1 is the external solar interface, and wherein R4, R6, C2, Q2 constitute solar voltage detecting unit B circuit, and described solar voltage detecting unit (B) is connected with the positive pole of solar battery sheet A; R1, EC1 are low-voltage electric weight memory cell D, and also the positive pole with solar battery sheet A is connected, and L1, D2, EC2, U1, R3, C1 constitute the boosting unit list; When solar voltage detecting unit B detects low-voltage; Low-voltage electric weight memory cell D is storing electricity constantly, after reaching certain voltage, just can charge to rechargeable battery G; D1 is said solar energy direct charging battery G path; When voltage ratio is bigger, need not start low-voltage electric weight memory cell D, just can directly charge to rechargeable battery G through BT2.
Fig. 2 is the preferred embodiment of the utility model.
The solar energy interface BT1 provide power supply, and R4, R6 be to the BT1 voltage sampling, when BT1 voltage is higher than sampling value, BT1 through D1 to battery charge; When BT1 voltage is lower than sampling value; R8, R5 take a sample to the capacity of electric capacity EC1; A high level was exported in the Q1 conducting when electric weight that stores as EC1 was higher than R8, R5 sampling value, U1, L1, the D2 work of boosting, and the EC1 electric weight deposits in to battery; When the EC1 electric weight is lower than R8, R5 sampling value, boosting quits work, and waits for that BT1 charges to EC1 through R1.
Describe the specific embodiment of the utility model above in detail.But the execution mode that should be appreciated that the utility model is not limited in the foregoing description, and the description of the foregoing description only is used to help to understand this novel spirit.Under this novel spirit that discloses,, all fall in this novel scope these novel various variant of doing.
Claims (4)
1. solar energy low light level charging circuit; Comprise solar battery sheet (A), voltage detection unit (B), capacity check unit (C), directly fill unit (F) and rechargeable battery (E); Said solar battery sheet (A) with directly fill unit (F) and be connected; Also comprise boosting unit (E), low-voltage electric weight memory cell (D), said voltage detection unit (B) comprises the voltage sampling module, and described voltage detection unit (B), capacity check unit (C), low-voltage electric weight memory cell (D) and boosting unit (E) are connected successively; Said directly to fill unit (F) parallelly connected with low-voltage electric weight memory cell (D) that is connected in series and boosting unit (E), and be connected with rechargeable battery (E).
2. solar energy low light level charging circuit according to claim 1 is characterized in that, said voltage detection unit (B) and capacity check unit (C) comprise resistance, electric capacity and FET.
3. solar energy low light level charging circuit according to claim 1 is characterized in that said low-voltage electric weight memory cell (D) comprises polar capacitor and resistance.
4. solar energy low light level charging circuit according to claim 1 is characterized in that said boosting unit (E) comprises an IC and peripheral circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246791U CN202495797U (en) | 2012-03-29 | 2012-03-29 | Solar energy weak-light charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246791U CN202495797U (en) | 2012-03-29 | 2012-03-29 | Solar energy weak-light charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495797U true CN202495797U (en) | 2012-10-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201246791U Expired - Fee Related CN202495797U (en) | 2012-03-29 | 2012-03-29 | Solar energy weak-light charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495797U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088459A (en) * | 2018-09-29 | 2018-12-25 | 出门问问信息科技有限公司 | Charging circuit and charging equipment |
| CN109510276A (en) * | 2018-12-12 | 2019-03-22 | 湖南亿福照明科技有限公司 | Photovoltaic charged control circuit and photovoltaic charged control device |
| WO2021217454A1 (en) * | 2020-04-28 | 2021-11-04 | 武文静 | Voltage bootstrap chip, low-light collection circuit and device, and control methods therefor |
| WO2021217455A1 (en) * | 2020-04-28 | 2021-11-04 | 武文静 | Voltage bootstrap chip, weak light collection circuit and device, and control method therefor |
-
2012
- 2012-03-29 CN CN2012201246791U patent/CN202495797U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088459A (en) * | 2018-09-29 | 2018-12-25 | 出门问问信息科技有限公司 | Charging circuit and charging equipment |
| CN109510276A (en) * | 2018-12-12 | 2019-03-22 | 湖南亿福照明科技有限公司 | Photovoltaic charged control circuit and photovoltaic charged control device |
| WO2021217454A1 (en) * | 2020-04-28 | 2021-11-04 | 武文静 | Voltage bootstrap chip, low-light collection circuit and device, and control methods therefor |
| WO2021217455A1 (en) * | 2020-04-28 | 2021-11-04 | 武文静 | Voltage bootstrap chip, weak light collection circuit and device, and control method therefor |
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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: 20121017 Termination date: 20150329 |
|
| EXPY | Termination of patent right or utility model |