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    • 4. 发明授权
    • Control circuit for a solar-powered rechargeable power source and load
    • 用于太阳能充电电源和负载的控制电路
    • US5086267A
    • 1992-02-04
    • US641878
    • 1991-01-04
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • H02J7/35
    • H02J7/35Y02E10/566Y10S136/293Y10S323/906
    • An inexpensive circuit for controlling the recharging of a rechargeable power source by a photovoltaic panel is used for powering a load such as the lamp of a walk light. Using a minimum number of components, the circuit can charge a rechargeable battery anytime sunlight is sufficient to place a potential across the battery that is greater than the present potential of the battery, can sense a decrease in voltage across the photovoltaic panel with diminishing ambient light and energize the load, can prevent the load from being energized when the ambient light level is sufficient to re-charge the battery, can provide positive feedback at turn-on of the load, thereby hastening turn-on and providing hysteresis, can provide for adjusting the hysteresis bands, can shift the turn-on and turn-off thresholds, and can provide an adequate current to guarantee turn-on when using low leakage solar panels. A further embodiment can additionally exhibit hysteresis at load turn-off so that the load does not cycle on and off and can further raise the load turn-off threshold above the level where the battery is substantially discharged, thereby hastening recharging of the battery. A still further embodiment provides temperature compensation for improved performance.
    • 用于控制由光伏面板对可再充电电源再充电的廉价电路用于为步行灯的灯等负载供电。 使用最少数量的组件,电路可以在阳光足以在电池上放置大于电池当前电位的电位的情况下对可充电电池充电,可以通过减小环境光来感测光伏面板上的电压降低 并且为负载通电时,当环境光线水平足以对电池重新充电时,可以防止负载被通电,可以在负载接通时提供正反馈,从而加速接通和提供滞后,可以提供 调整滞后带可以改变开启和关闭阈值,并且可以提供足够的电流来保证使用低泄漏太阳能电池板时的导通。 进一步的实施例还可以在负载关断时显示迟滞,使得负载不会断开和断开,并且可以进一步将负载关断阈值提高到高于电​​池基本上放电的水平,从而加速电池的再充电。 另一实施例提供用于改善性能的温度补偿。
    • 5. 发明授权
    • Control circuit for a solar-powered rechargeable power source and load
    • 用于太阳能可充电电源和负载的控制电路
    • US5221891A
    • 1993-06-22
    • US829456
    • 1992-01-31
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • H02J7/35
    • H02J7/35Y02E10/566Y10S136/293Y10S323/906
    • An inexpensive circuit for controlling the recharging of a rechargeable power source by a photovoltaic panel is used for powering a load such as the lamp of a walk light. Using a minimum number of components, the circuit can charge a rechargeable battery anytime sunlight is sufficient to place a potential across the battery that is greater than the present potential of the battery, can sense a decrease in voltage across the photovoltaic panel with diminishing ambient light and energize the load, can prevent the load from being energized when the ambient light level is sufficient to re-charge the battery, can provide positive feedback at turn-on of the load, thereby hastening turn-on and providing hysteresis, can provide for adjusting the hysteresis bands, can shift the turn-on and turn-off thresholds, and can provide an adequate current to guarantee turn-on when using low leakage solar panels. A further embodiment can additionally exhibit hysteresis at load turn-off so that the load does not cycle on and off and can further raise the load turn-off threshold above the level where the battery is substantially discharged, thereby hastening recharging of the battery. A still further embodiment provides temperature compensation for improved performance.
    • 用于控制由光伏面板对可再充电电源再充电的廉价电路用于为步行灯的灯等负载供电。 使用最少数量的组件,电路可以在阳光足以在电池上放置大于电池当前电位的电位的情况下对可充电电池充电,可以通过减小环境光来感测光伏面板上的电压降低 并且为负载通电时,当环境光线水平足以对电池重新充电时,可以防止负载被通电,可以在负载接通时提供正反馈,从而加速接通和提供滞后,可以提供 调整滞后带可以改变开启和关闭阈值,并且可以提供足够的电流来保证使用低泄漏太阳能电池板时的导通。 进一步的实施例还可以在负载关断时显示迟滞,使得负载不会断开和断开,并且可以进一步将负载关断阈值提高到高于电​​池基本上放电的水平,从而加速电池的再充电。 另一实施例提供用于改善性能的温度补偿。
    • 6. 发明授权
    • Control circuit for a solar-powered rechargeable power source and load
    • 用于太阳能可充电电源和负载的控制电路
    • US5041952A
    • 1991-08-20
    • US387682
    • 1989-07-31
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • Rudolph W. JandaJerald L. DouglasEdward F. Condon, Jr.
    • H02J7/35
    • H02J7/35Y02E10/566Y10S136/293Y10S323/906
    • An inexpensive circuit for controlling the recharging of a rechargeable power source by a photovoltaic panel is used for powering a load such as the lamp of a walk light. Using a minimum number of components, the circuit can charge a rechargeable battery anytime sunlight is sufficient to place a potential across the battery that is greater than the present potential of the battery, can sense a decrease in voltage across the photovoltaic panel with diminishing ambient light and energize the load, can prevent the load from being energized when the ambient light level is sufficient to re-charge the battery, can provide positive feedback at turn-on of the load, thereby hastening turn-on and providing hysteresis, can provide for adjusting the hysteresis bands, can shift the turn-on and turn-off thresholds, and can provide an adequate current to guarantee turn-on when using low leakage solar panels. A further embodiment can additionally exhibit hysteresis at load turn-off so that the load does not cycle on and off and can further raise the load turn-off threshold above the level where the battery is substantially discharged, thereby hastening recharging of the battery. A still further embodiment provides temperature compensation for improved performance.
    • 用于控制由光伏面板对可再充电电源再充电的廉价电路用于为步行灯的灯等负载供电。 使用最少数量的组件,电路可以在阳光足以在电池上放置大于电池当前电位的电位的情况下对可充电电池充电,可以通过减小环境光来感测光伏面板上的电压降低 并且为负载通电时,当环境光线水平足以对电池重新充电时,可以防止负载被通电,可以在负载接通时提供正反馈,从而加速接通和提供滞后,可以提供 调整滞后带可以改变开启和关闭阈值,并且可以提供足够的电流来保证使用低泄漏太阳能电池板时的导通。 进一步的实施例还可以在负载关断时显示迟滞,使得负载不会断开和断开,并且可以进一步将负载关断阈值提高到高于电​​池基本上放电的水平,从而加速电池的再充电。 另一实施例提供用于改善性能的温度补偿。