KR200449395Y1 - Selectable charging equipment of self-charging emergency light - Google Patents

Abstract

The present invention relates to a selectable charging device such as a self-charging emergency light, and more particularly, to selectable charging such as a self-charging emergency light such as a rapid charging function and a slow charging to enable the emergency lighting to be charged in a short time without the risk of overcharging. To provide a device.

That is, the present invention constitutes a selectable charging device such as a self-charging emergency light, which includes a fast charging circuit (A) for rapid charging of a battery, and a slow charging circuit capable of charging the battery by controlling slow or charging speed ( B), a transformer (1) for converting an AC 220V power source into an AC 10V in the fast charging circuit (A) and the slow charging circuit (B), and an AC 10V voltage through the transformer (1) to DC 10V. A switching device 2 composed of diodes D1 and D2 for conversion, and a selection switch for selectively supplying the power supply via the switching device 2 to the fast charging circuit A and the slow charging circuit B; And SS).

Such a design of the present invention can prevent the accidental accidents caused by the uncharged by the rapid charging and slow charging of the power supply such as emergency lighting, and can be usefully used in an emergency situation by the rapid charging of the emergency lighting, overcharge It can be prevented, the charging is possible even when the voltage falls below 5V, as well as the charge is made during full discharge.

Charging device such as emergency lighting, rapid charging circuit, slow charging circuit, transformer, switching device, charging part, time control part, overcharge prevention part, charging status display part

Description

Selectable charging equipment of self-charging emergency light

The present invention relates to a selectable charging device such as a self-charging emergency light, and more particularly, to selectable charging such as a self-charging emergency light such as a rapid charging function and a slow charging to enable the emergency lighting to be charged in a short time without the risk of overcharging. To provide a device.

According to Article 4 (Structure and Function of Parts) for the type of emergency lighting, etc. The requirement was met, but it had to wait 48 hours to recharge.

If the power is turned off again within 48 hours while charging the emergency lights or the fire is not fully charged, the emergency lights are not lit or only turned on for a while.

Some of the emergency lights currently in use are charged in 12 or 8 hours, but they are also useless when a fire occurs within 8 or 12 hours. Efforts have been made, but there was a risk of overcharging the battery during a quick charge.

As a result, as described above, the existing emergency lighting should be charged for a long time, so in case of a power failure due to a fire during charging, the emergency lighting is not properly charged so that the emergency lighting does not turn on for a necessary time. As a result, large personnel accidents are frequently occurring due to failure to find an evacuation route in case of emergency, and the risk of overcharging when rapid charging is performed to solve the problems of the charging device such as emergency lighting. Because of this, there was an urgent need for a way to improve this.

Therefore, the inventor has already received a patent for the 'charging control device for an emergency lighting battery' as Patent No. 715282, and also a charging device for emergency lighting such as patent application No. 10-2007-48874 for safe rapid charging. Has previously applied for a patent.

However, in the case of rapid charging, the battery life is shortened, so it is used only in an emergency, and in general, slow charging is desirable in consideration of battery life, and thus, it is necessary to develop a charging device that can solve this problem.

In the present invention to provide an emergency light charging device that can eliminate the problems of the conventional self-charging emergency light charging device as described above,

The present invention is to complete the present invention with the technical problem of the invention to provide a self-charging emergency lighting lamp charging device that can be configured to charge, but select the fast charging and slow charging.

The selectable charging device such as the self-charging emergency light of the present invention is equipped with a fast charging circuit that enables quick charging of the battery, a slow charging circuit that can control slow charging and charging speed, and can be selectively charged by a selection switch. It is characterized by one.

Selectable charging device such as self-charging emergency lighting provided by the present invention is capable of selectively charging power such as emergency lighting installed in subway or various public places to prevent unintentional accidents caused by uncharged. It can be used in emergency situation by fast charging such as emergency lighting, and can prevent overcharge, and it can be charged even when the voltage falls below 5V, and it can be charged even during full discharge. Will be provided.

The selectable charging device such as the self-charging emergency light of the present invention can be used with AC 110 / 220V power supply, and a transformer (1) is installed to convert to AC 10V, and the AC 10V voltage is supplied via the transformer (1). The switching device 2 consisting of diodes D1 and D2 for conversion to DC 10V is connected. The DC 10V power converted through the switching device 2 is selectively applied to the fast charging circuit A or the slow charging circuit B through the selection switch SS.

The fast charging circuit A has a charging unit 3 for rapidly charging a battery such as an emergency light at a DC 10V applied by the selection switch SS.

The charging unit 3 includes a HA1755 IC for supplying a voltage, a voltage regulating unit 31 made of SCR, and a zener diode 32.

The charging unit 3 is connected to the time control unit 6, the time adjusting unit 61 made of a variable resistor and the time display unit 62 having a light emitting diode (LED) and the time adjusted by the user for setting and setting time It consists of an MC14060 IC for applying a signal to the charging unit (3).

In addition, the overcharge preventing unit 5 is connected by the time control unit 6 and the charging unit 3 to prevent overcharging when the battery is charged at the set voltage.

The overcharge protection unit 5 is composed of a voltage detector 51 and a current detector 52 and a relay 4 for automatically shorting the power supply when fully charged.

Then, the charging state display unit 7 having a display lamp 71 such as an LED capable of displaying the charging state when the battery is charged is connected to the circuit.

Further, the slow charging circuit B is additionally configured to allow the power to be selectively applied to the rapid charging circuit A as described above by the selection switch SS for slow charging.

That is, the current switch in which AC 10V is converted to DC 10V via a transformer (1) and a switching device (2) capable of using a 110 / 220V power supply at an input terminal to which an AC power source (AC) is applied is selected. By switching operation of), it is connected to the slow charging circuit (B) which enables charging by controlling slow or charging time to the battery such as emergency lighting.

The slow charging circuit B receives a current of DC 10V and is connected to one end of the integrated circuit IC through the diode D3, the resistor R2, and the capacitor C2, and the resistor R2 and the capacitor ( A capacitor C1 and a resistor R3 are connected between the connection point of the C2 and the ground terminal, respectively, and a resistor R5 is connected between the connection point of the capacitor C2 and the integrated circuit IC and the ground terminal. .

Meanwhile, one end of the resistor R4 and the resistor R8 are connected to one end of the integrated circuit IC, and the other end of the resistor R4 is connected to the base of the transistor Q through the resistor R6 and the resistor R7. The other end of the resistor R8 is connected to the integrated circuit IC through the variable resistor VR and the capacitor C3, respectively.

In addition, the connection point of the capacitor C3 and the integrated circuit IC is connected to the collector of the transistor Q through a resistor R10 and to the anode of the LED L1, and the cathode of the LED L1 is grounded. It is connected to the stage.

The gate of the thyristor SCR is connected to the cathode connection point of the diodes D1 and D2 through the resistor R9 and the zener diode ZD, and the transistor Q is connected through the resistor R11 and the LED L2. The collector is connected, the anode of the thyristor (SCR) is connected to the connection point of the resistor (R11) and the LED (L2) through the LED (L3) and the cathode of the thyristor (SCR) is connected to the ground terminal, The cathode connection point of the diodes D1 and D2 is connected to the rechargeable battery side through the relay switch RYS and the lamp LAMP, which is an emergency light, is connected through the relay switch RYS and the emergency light switch S. .

The present invention configured as described above is capable of charging a battery such as a self-charging emergency light through a fast charging circuit (A) as well as a slow charging or charging speed arbitrarily through a slow charging circuit (B). Etc. will be described in more detail below.

First, in order to charge the battery rapidly, the selector switch SS is switched to supply the power to the fast charging circuit A, and the user sets the charging time in advance in the time controller 6 constituting the charging device. .

The charging time can be set between 57 and 68 minutes, and the charging time is preferably set to 60 minutes.

When the charging time is set as described above, the AC 220V voltage is applied to the transformer 1 to convert to AC 10V, and is converted to DC 10V by the switching device 2.

Charging is started on the battery through the relay 4 which turns on / off the DC power signal electrically connected to the charging circuit unit 3 from A to C or from B to C according to the time set by the time controller 6.

When the battery is charged as described above, the overcharge protection unit 5 electrically connected to the charging unit 3 has a voltage and voltage at the voltage detector 51 and the current detector 52 so that the power is cut off when the battery is fully charged. Detect the current.

As the battery is charged with power, the voltage is increased and the current is lowered, and thus the voltage value detected by the zener diode 32 and the voltage regulator 31 of the charging unit 3 that can accommodate the maximum voltage that can be charged to the battery. Will be sent.

In addition, the voltage detector 51 automatically transmits the power to the relay 4 when the voltage charged in the battery is exceeded.

Meanwhile, the display lamp 71 of the charging state unit 7 visually displays the charging state of the battery. For example, when the display lamp 71 lights red, the battery is in a charged state, and the blue color is displayed. When lit, it indicates that charging is completed.

When charging is performed by arbitrarily adjusting the slow charging or charging time to the battery, when the selection switch SS is switched to supply power to the slow charging circuit B, the slow charging circuit is passed through the switching device 2. The DC 10V power source applied to (B) is a bias voltage is applied from the integrated circuit IC to the base of the transistor Q through the resistors R4, R6, and R7, so that the transistor Q is turned on. The constant current output through the D1 and D2 is divided and applied to the rechargeable battery through the relay switch RYS, and simultaneously applied to the resistor R11 to charge the rechargeable battery. In this case, since the current flowing through the resistor R11 flows to the ground through the LED L2 and the transistor Q, the LED L2 emits light to indicate that the rechargeable battery is being charged.

When the variable resistor VR is adjusted when the rechargeable battery is charged, the current applied from the integrated circuit IC to the collector of the transistor Q is adjusted.

That is, when the amount of current applied from the integrated circuit IC to the collector of the transistor Q increases, the current flowing through the resistor R11 to the transistor Q decreases and the current applied to the rechargeable battery increases to charge The charging time of the battery is shortened.

Here, the variable resistor VR may change the resistance value in 10 steps to adjust the amount of current applied from the integrated circuit IC to the collector of the transistor Q in a maximum and a minimum of 10 steps, and the LED L1 is charged. This indicates the charging speed of the battery. For example, when the battery charges at the fastest speed and the time required for charging is minimized, the battery blinks rapidly. In the case of charging at the slowest speed to maximize the time required for charging, the lamp blinks the slowest to indicate the charging state of the rechargeable battery.

When the rechargeable battery is charged and fully charged as described above, the voltage applied from the cathode connection point of the diodes D1 and D2 to the emitter of the transistor Q through the resistor R11 and the LED L2 is equal to the voltage of the rechargeable battery. In this case, since the bias voltage is not applied from the integrated circuit IC to the base of the transistor Q, the transistor Q is turned off, and the collector of the transistor Q and the LED from the integrated circuit IC are turned off. Since no current is applied to L1, the LEDs L1 and L2 are turned off, indicating that charging of the rechargeable battery is not in progress.

At the same time, the trigger signal is applied to the gate of the thyristor SCR through the resistor R9 and the zener diode ZD to conduct the thyristor SCR, and the cathode of the thyristor SCR through the resistor R11 and the LED L3. Since the current flows through the LED (L3) is turned on to indicate the fully charged state of the rechargeable battery.

When a power failure occurs due to an emergency such as a fire or other causes, the AC power is not applied to the relay RY so that the relay RY does not operate, and thus the operating point of the relay switch RYS is operated. Since (a) is connected to the fixed contact point (c), the power of the rechargeable battery is applied to the lamp LP, which is the emergency lighting lamp, via the switch S so that the emergency lighting lamp LP is turned on and the emergency lighting lamp LP is turned on. If not necessary, the switch S is turned off to turn off the emergency light LP.

1 is a preferred circuit diagram of a charging device for fast and slow charging provided in the present invention

■ Explanation of symbols used in main part of drawing ■

A: fast charging circuit B: slow charging circuit

1: transformer 2: switching device

3: charging unit 31: voltage control unit (SCR)

32: Zener Diode 4: Relay

5: overcharge prevention part 51: voltage detection part

52: current detection unit 6: time control unit

61: time adjusting unit 62: time display unit

7: charge status indicator 71: indicator lamp

SS: Selector switch D3: Diode

R2 to R11: Resistor C1, C2, C3: Capacitor

IC; Integrated Circuit Q: Transistor

VR: Variable resistors L1, L2, L3: LED

D1, D2: Diode ZD: Zener Diode

SCR: Thyristor RYS: Relay Switch

S; switch

Claims (1)

A selectable charging device, such as a self-charging emergency light; The charging device includes a rapid charging circuit (A) for rapid charging of the battery, A slow charging circuit (B) capable of charging the battery by slowing or controlling the charging speed; A transformer (1) for converting AC 220V power into AC 10V with the rapid charging circuit (A) and the slow charging circuit (B); Switching device (2) consisting of diodes (D1, D2) for converting the AC 10V voltage via the transformer (1) to DC 10V, A selection switch (SS) for selectively supplying the power supply via the switching device (2) to the fast charging circuit (A) and the slow charging circuit (B); The fast charging circuit (A) is a charging unit (3) having a voltage adjusting unit (31) and a zener diode (32) to rapidly charge a current converted to DC 10V via the switching device (2) to a battery such as an emergency light. )Wow, A time control unit 6 connected to the charging unit 3 and having a time adjusting unit 61 and a time display unit 62 so as to set a charging time; Automatically shorting the voltage detector 51, the current detector 52, and the power supply when fully charged to prevent overcharging when the battery is charged to the set voltage by the time controller 6 and the charger 3. Overcharge prevention part 5 consisting of a relay (4) for, It consists of a charge state display unit 7 having a display lamp 71 that can display the state of charge when charging the battery, The slow charging circuit (B) is connected to the input terminal of the supply power supply relay (RY) to control the operation of the movable contact of the relay switch (RYS) at the completion of charging and non-charging of the battery, An integrated circuit (IC) connected through a diode (D3) and a capacitor (C2) to receive an operating power source and adjust a charging current; When the battery is completely charged or not charged, the battery is turned on by the current flowing through the resistor R10 by the control of the variable resistor VR output from the integrated circuit IC. LED (L1) indicating the charging and non-charging of the battery, Upon completion of charging of the battery and non-charging, the charge control signal output from the integrated circuit (IC) is conducted by applying a bias voltage through the base through the resistors R4, R6, and R7 to conduct charging current to ground. The transistor Q to pass, An LED L2 connected to a collector and emitting light through a resistor R11 at a cathode connection point of the diodes D1 and D2 constituting the switching device 2 when the transistor Q is turned on; When the charging current is greater than or equal to a predetermined level during the conduction of the transistor Q, the cathode is grounded to bypass the charging current greater than or equal to a predetermined level to ground, and at the same time, the resistor R9 is connected to the cathode connection point of the diodes D1 and D2. And a gate via a zener diode (ZD), Thyristor (SCR) which is turned on when the transistor (Q) is turned on; Selectable charging devices, such as self-charging emergency light, characterized in that the LED (L3) is configured to emit light when the thyristor (SCR) is turned on to indicate that the charging current of a predetermined level or more is bypassed to the ground.

Images