COLL DAIVERT

MOBIL CODE

EMI

EMIनम्बर कया हे

                                                       EMIनम्बर कया हे 

संत सीरोमणि सेन जी महाराज की जय

          संत सीरोमणि सेन जी महाराज की जय  

हमारे  क़स्बा budhana में संत सीरोमणि सेन जी महाराजकी जेनती मनाई गई जीस  मे सभी सेन समाज ने भाग लीया ऊस का एक दशये 
parcharak----------   सेन समाज  budhana
camati parcharak----- ASHU SEN AND ANIL SAN
MOBIL NAMBER---- 09358663882

solar-panel-battery-switch-schematic

The circuit uses a 12 volt solar panel and a variable voltage regulator IC LM 317. The solar panel consists of solar cells each rated at 1.2 volts. 12 volt DC is available from the panel to charge the battery. Charging current passes through D1 to the voltage regulator IC LM 317. By adjusting its Adjust pin, output voltage and current can be regulated.
VR is placed between the adjust pin and ground to provide an output voltage of 9 volts to the battery. Resistor R3 Restrict the charging current and diode D2 prevents discharge of current from the battery. Transistor T1 and Zener diode ZD act as a cut off switch when the battery is full. Normally T1 is off and battery gets charging current.
When the terminal voltage of the battery rises above 6.8 volts, Zener conducts and provides base current to T1. It then turns on grounding the output of LM 317 to stop charging.

solar-panel-battery-switch-schematic

When loading a battery during the day from a solar panel it can be partially discharging through the panel after nightfall. This solar panel power switch circuit replaces the diode and connects the panel to battery through a relay contact. When the power supply voltage is to low the relay is not ON, so the battery is not connected to the solar panel.

When the voltage is high enough to engage the relay and the LDR receives enough light in order to open T1, the relay will switch and the battery will charge.

The relay remains ON even when the solar panel voltage starts to decrease. A battery connected and charged can not action the relay when the light intensity decreases because R2 will block T1. The brightness at which this occurs is set by P1.

Because the power consumption is determined primarily by the relay, it is important that it should a miniature one, with high coil resistance but be capable to switch up to 10 A.

Solar panel power switch schematic