TH2062C3 - Emergency lighting with automatic battery discharge control circuit - Google Patents

Abstract

Emergency lighting with automatic battery discharge control circuit Will work for the light Light in emergencies like any general emergency light, but it has an internal control circuit with a microcontroller that controls all functions. And automatically controls the discharge of the battery with a numeric time counter display The work of the circuit will be divided into two phases. The first will count the time to A discharged battery And the second period counts the time for the battery to stop discharging, with both periods already set. The operation of both control circuits will Work alternately like this While the emergency lighting is in use

Claims (2)

1.Emergency lighting with automatic battery discharge control circuit It consists of an emergency lighting circuit with an automatic battery discharge control circuit that displays numerical performance using a microcontroller.It is unique in that the power supply circuit (3) receives power via a switch K3 (2) acts as a force transmission. Pushed to the circuit set Voltage stabilizer (4) which controls the battery charging voltage to be constant, and part of the voltage from the supply circuit (3) is sent to the electrical signal detection circuit or Supply Electricity (6), which is responsible for sending the digital contracts to On the other hand, the microcontroller (11), the battery (8) receives the charging current through the constant voltage regulator circuit (4), then the battery (8) sends voltage to the voltage regulator circuit. Of the circuit (5), which serves to control the voltage Maintain the circuit to the microcontroller (11) to be stable, either the power supply or the current source. Off or failure And electricity from electricity or power supply normally. Battery condition monitor circuit (9) is responsible for checking the level of the battery failure level at which level is the indication of the performance of the battery while charging. And while operating the battery Monitor circuit The low point of the battery usage voltage (7) checks the lowest point of the battery usage (8) and sends a digital signal to the microcontroller (11) that the battery voltage. Reached the lowest point of use 2. Emergency lighting machine with automatic battery discharge control circuit. According to claim 1, the microcontroller (11) has the duty to control the entire system of the emergency lighting machine. Specific characteristics are as follows In the state of using battery power The microcontroller receives the signal for pressing the switch. Via input 1 (17) sends a signal to the microcontroller (11) to turn off the switch on the same K1 (12) to deliver power to load 1 (14) and to receive the switch push signal via input 2 ( 18) K2 (13) in the same body to deliver power to the load 2 (15) with the receiver to monitor the state of the battery, the series circuit monitors the lowest point of battery use (7) when the lowest point of Battery operation The microcontroller (11) activates the switches K1 (12) and K2 (13) to open the circuit to stop the battery from being powered by the utility power or on the normal power supply. Alternating current (6) sends a signal to the microcontroller (11) to change the operating mode of Emergency light machine Where the microcontroller sets the switches K1 (12) and K2 (13) to stop the power supply. From the battery and send the value of the count of the time it will start to discharge the battery to 7-SEGMENT (10) by the scheduled time. And wait for the switch signal via input 3 (16). That is to test the system of emergency lighting. But if the switch is left immersed, it means that it is a test of the battery discharge control system. The microcontroller (11) that counts the time it starts to discharge the battery always counts. When the emergency light is in use and the electricity from the utility or power supply does not go out after the specified time The microcontroller (11) activates switches K1 (12) and K2 (13) to close the battery circuit (9) to load 1 (14) and load 2 (15), while activating switch K3 ( 2) Open circuit prevents the stabilizer voltage set (4) to supply current to the load. And send the count of time Of the discharge of the battery to 7-SEGMENT (10) is replaced at a predetermined time, when the preset time has been reached, the microcontroller (11) switches the system to the load. From the electricity or power source