KR200288126Y1 - emergency lamp apparatus - Google Patents

Abstract

The present invention relates to an emergency light device, in particular an emergency light, an emergency light drive circuit for turning on or off an emergency light, a power supply circuit for charging a battery by inputting a commercial AC and generating a power supply voltage for each circuit, and detecting ambient illuminance. An illuminance detection circuit for inputting, a remote control input circuit for inputting a remote control signal, a voice output circuit for outputting sound through the speaker in response to the voice information, and normally at night in response to the illuminance detection of the illuminance detection circuit; The emergency light is turned on and off during the day, and upon input of the remote control signal through the remote control input circuit, the power circuit is tested in response to the received remote control signal, and the test result is displayed by lighting or flashing driving of the emergency light. And a control unit for outputting a voice message through an output circuit. Therefore, since each emergency light device can be fire alarm and remote inspection in a separate configuration, the emergency function is excellent, and the maintenance is convenient.

Description

Emergency lamp apparatus

The present invention relates to an emergency light device, and more particularly to an emergency light device that is excellent in emergency function and easy to maintain due to fire detection, alarm, and remote inspection independently from the center.

Generally, emergency light devices are installed in emergency exits such as buildings. The emergency light device normally receives current from the main power supply to charge the battery, and lights up when the supply of the main power supply is interrupted due to an emergency situation such as at night or a fire, and serves as a guide light to guide the evacuation passage in an emergency. do.

However, since such emergency lighting device is installed for the purpose of being used only in an emergency, its maintenance and management is usually neglected, and in the event of failure, its purpose cannot be sufficiently achieved.

In general, however, in each building, due to administrative mishandling, the failure of the management of such emergency lighting devices often results in failure to fully function in an emergency situation such as a fire.

For example, the emergency light device is normally turned on at night and turned off during the day, but in the manual flashing mode, the manager manages the emergency light on, so if the emergency light turns on even during the day of carelessness, There is a problem of not functioning or wasting energy.

Therefore, in recent years, by attaching the illumination sensor to identify the day and night, the automatic flashing control function is added, or connected to the building management center online has been controlled by the center collectively.

However, the method of turning on and off collectively by the center may cause the control of the emergency light device to be impossible at the center when a problem occurs online due to a fire.

On the other hand, in a building, a fire detector is installed in the building to detect a fire, and the fire detection and alarm system is operated by being connected to the center online.

However, such fire detection and alarm systems and emergency lighting devices are operated separately or collectively by the center. In the separate operation method, since the system is installed in duplicate, the installation and maintenance cost is high, and the batch operation method has a problem that its function becomes useless when the online network with the center is damaged.

In addition, the existing emergency lighting device has the inconvenience of maintenance. In other words, since the maintenance person must open each emergency light device one by one, each circuit connection point has to perform a defective or battery check, etc., a lot of time and effort was required.

It is an object of the present invention to provide an emergency light device having excellent emergency function and easy maintenance by enabling fire detection, alarm, and remote inspection independently of the center to solve the problems of the prior art.

Another object of the present invention is to provide an emergency light device capable of making a compact and lightweight.

1 is a block diagram of an emergency light device according to the present invention.

2 to 6 is a circuit diagram of a preferred embodiment of the emergency light device according to the present invention.

7 is a flowchart for explaining a control program of the emergency light apparatus according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: power circuit

20: detection circuit

30: emergency light driving circuit

40: remote control input circuit

50: control unit

60: emergency light

In order to achieve the above object, the device according to the present invention is an emergency light, an emergency light driving circuit for turning on or off the emergency light, a power supply circuit for charging a battery by inputting a commercial AC and generating a power supply voltage of each circuit, and an ambient illumination An illuminance detection circuit for detecting a signal, a remote control input circuit for inputting a remote control signal, a voice output circuit for outputting sound through a speaker in response to voice information, and normally responding to illuminance detection of the illuminance detection circuit Turn on the emergency light at night and turn off the light at daytime, when inputting the remote control signal through the remote control input circuit, test the power supply circuit in response to the received remote control signal and display the test result by lighting or flashing driving of the emergency light. And a controller for outputting a voice message through the voice output circuit. Gong.

In the present invention, the test is to cut off the supply of the commercial AC in response to the remote control signal and to check the abnormality of emergency power supply through the battery.

In the present invention, the power supply circuit includes a phase control unit for generating a switching control signal at every half-wave period of the commercial exchange, a switching unit for outputting a full-wave rectified signal by switching the commercial exchange at a half-wave period in response to a switching control signal, and a full-wave rectified signal. A main power supply for rectifying the main power supply and a main power supply voltage; And an emergency power unit that charges the battery and provides an emergency power voltage as the auxiliary power voltage when the commercial flow is interrupted.

In the present invention, the auxiliary power supply unit detects an output of the auxiliary power supply voltage and detects whether AC supply is supplied or not, and test signal input means for turning off the auxiliary power supply in response to a test control signal of the controller. It includes.

In the present invention, the emergency power supply unit includes a reference voltage generating means for generating a reference voltage by inputting the main power voltage, a clock generating means for generating a clock signal by the reference voltage, a terminal voltage of the battery and the reference voltage. Comparison means for comparing and generating a comparison signal, latching means for latching a state of the comparison signal in response to the clock signal, and switching the main power supply voltage to a charging voltage of the battery in response to an output signal of the latching means. It comprises a switching means.

In the present invention, the emergency power supply unit further includes a battery check means for checking the terminal voltage of the battery to provide a battery status signal to the controller.

In the present invention, the control unit inputs a signal from each circuit unit to convert to serial data and input and output means for outputting a control signal provided as serial data to each circuit unit, memory means for storing a system control program and state data; And a microcomputer configured to exchange serial data with the input / output means and to execute a system control program stored in the memory means to generate control signals of the circuit parts.

In the present invention, the power supply circuit further includes a preliminary power detector for detecting whether the preliminary power supplied from the central control center is supplied, and the control unit is configured to supply a commercial AC power in response to the detection signal of the detector of the preliminary power. It is preferable to indicate whether or not it is a standby power source.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

1 shows a block configuration of an emergency light device according to the present invention. The emergency lighting apparatus of FIG. 1 includes a power supply circuit 10, a detection circuit 20, a driving circuit 30, a remote control input circuit 40, and a controller 50.

2 shows a circuit configuration of a preferred embodiment of a power supply circuit according to the present invention. Referring to FIG. 2, the power supply circuit 10 inputs commercial AC to charge a battery and generates power supply voltages for each circuit. The power supply circuit 10 includes a phase control unit 11 for generating a switching control signal at every half-wave period of commercial exchange, and a switching unit 12 for outputting a full-wave rectified signal by switching the commercial exchange at every half-wave period in response to the switching control signal. ), A main power supply unit 13 for rectifying a full-wave rectified signal to output a main power supply voltage, and an auxiliary power supply unit 14 for regulating the main power supply voltage and outputting an auxiliary power supply voltage outputted as a driving voltage of the controller 50. And an emergency power unit 15 and a lamp on detection unit for switching the main power voltage in response to the terminal voltage of the battery to charge the battery to provide an emergency power voltage as the auxiliary power voltage when the commercial exchange is interrupted. 16).

The phase control unit 11 includes a bridge circuit BD for inputting full-wave AC and a preliminary power supply LAMP ON, respectively. Here, the reserve power (LAMP ON) is an AC power generated by the generator itself. The voltage distribution circuit VD is connected to both ends of the bridge circuit BD, and the voltage divider signal of the voltage distribution circuit VD is applied to the control terminal of the single junction transistor UJT to control switching through the single junction transistor UJT. The signal is output.

The switching unit 12 commonly connects the AC and the LAMP ON to one output terminal through the silicon control rectifier SCR, and the control terminal of each of the silicon control rectifiers SCR is connected to the control terminal. The switching control signal of the phase controller 11 is connected. Therefore, the switching unit 12 outputs a power controlled AC signal by switching the input AC signal every half cycle at an appropriate conduction angle in response to the switching control signal.

The main power supply unit 13 rectifies and smoothes the output signal of the switching unit 12 by a rectification and smoothing circuit composed of a diode and a capacitor, and outputs a 12 V DC voltage which is a main power supply voltage.

As described above, in the present invention, in converting an AC voltage into a DC voltage, by using a power device without using a power transformer, it is possible to achieve miniaturization and high efficiency of a power supply circuit.

The auxiliary power supply unit 14 regulates the main power supply voltage by the switching regulator integrated circuit IC1 to generate a stable auxiliary voltage (3.6V). A power supply detecting means LED2 for detecting the supply of the commercial power supply by detecting the output of the auxiliary power supply voltage, and a test signal input means for turning off the switching regulator IC1 in response to a test control signal of the controller 50; (PT1)). The power supply detecting means LED2 is lighted when the auxiliary power supply voltage is generated by the light emitting diode. The test signal input means PT1 stops the operation of the switching regulator integrated circuit IC1 in response to the optical signal corresponding to the test signal to the photo transistor.

Figure 3 shows the circuit configuration of a preferred embodiment of the emergency power unit according to the present invention. Referring to FIG. 3, the emergency power supply unit 15 includes reference voltage generating means 15A for inputting the main power voltage to generate a reference voltage, clock generating means 15B for generating a clock signal by the reference voltage, Comparison means 15C for generating a comparison signal by comparing the terminal voltage of the battery with the reference voltage, latching means 15D for latching a state of the comparison signal in response to the clock signal, and the latching means; A battery check means for checking the terminal voltage of the charging means 15E for charging the battery BAT at the main power voltage in response to an output signal of the battery BAT, and for providing a battery status signal to the controller 50 ( 15F) more.

The reference voltage generating means 15A includes a zener diode ZD and an operational amplifier U1, and provides the charging start voltage to the comparing means 15C with the main power supply voltage 12V as the operating voltage.

The clock generating means 15B includes an operational amplifier U2 and a capacitor C. When the charging start voltage is generated by the start of the supply of the main power supply voltage, the capacitor C starts to be charged by this voltage. When the voltage across the capacitor C is charged above the previous voltage, the output of the operational amplifier is converted to low, and the discharge of the capacitor C proceeds. When the capacitor C is discharged below the predetermined voltage, the charging process is repeated. The clock signal is generated.

The comparison means 15C includes an operational amplifier U3, which compares the output voltage of the battery BAT with the reference voltage of the reference voltage generating means, and generates a low signal when the battery output voltage is lower than the reference voltage. Generate a high signal.

The latch means 15D latches the output state of the comparison means 15C in response to the clock signal and outputs the latched signal.

The charging means 15E includes a switching transistor T1 and supplies the main power supply voltage 12V to the + terminal of the battery BAT in response to the output signal of the latching means. Therefore, when the + terminal voltage of the battery BAT is lower than the charging start voltage of the reference voltage, the switching transistor T1 is turned on to charge the battery BAT, and when the voltage is high, the switching transistor is turned off to stop the charging operation. Will be. The charging means 15E includes a light emitting diode LED3 for indicating a charging operation and turns on the light emitting diode LED3 during the charging operation.

The battery check means 15F includes an annual amplifier U4 and a zener diode ZD2, and a reference voltage (2.7V) obtained from a divided voltage obtained by dividing the + terminal voltage of the battery BAT and an auxiliary power supply voltage (3.6V). ) Is compared with the operational amplifier U4, and when the + terminal voltage drops below a predetermined level (2.7V), the high signal is provided to the controller 50 as the battery check signal BAT.

The power supply circuit 10 further includes a preliminary power detector 16 detecting whether the preliminary power (LAMP ON) supplied from the central control center is supplied, and the controller 50 detects the preliminary power detector 16. In response to the signal, indicate whether the current emergency light power supply is a commercial AC power supply or a backup power supply.

Figure 4 shows the circuit configuration of a preferred embodiment of the detection circuit, the drive circuit, the remote control input circuit according to the present invention.

Referring to FIG. 4, the detection circuit 20 includes an illuminance detection circuit 22 and a temperature detection circuit 24.

The illuminance detection circuit 22 includes an illuminance detection sensor such as a CDS and an operational amplifier U5, and outputs an illuminance detection signal CDS when a predetermined illuminance is abnormal through the operational amplifier U5 in response to the peripheral illuminance.

The temperature detection circuit 24 includes a temperature detection sensor NTC and an operational amplifier U6, and outputs a temperature detection signal NTC when the specific detection temperature is abnormal through the operational amplifier U6 in response to a change in ambient temperature. .

The driving circuit 30 is composed of an inverter circuit and switches the emergency light 60 at high frequency in response to the switching control signal INVERTER of the controller 50.

The remote controller input circuit 40 receives the optical modulation signal emitted from the remote controller 42 through the phototransistor PT2 and generates a remote controller control signal REMOTE through the operational amplifier U7 in response to the received optical level. do.

5 and 6 show a circuit configuration of a preferred embodiment of the control unit according to the present invention. Referring to the drawings, the controller 50 of the present invention includes an input / output means 52, a microcomputer 54, a memory 56, a voice output means 58.

The input / output means 52 of FIG. 5 inputs a signal from each circuit part to convert it into serial data, and outputs a control signal provided as serial data to each circuit part in parallel to the parallel conversion chip IC2 and the status display circuit 52A. And battery test means 52B, first light input means 52C, and second light input means 52D.

The serial-to-parallel conversion chip IC2 exchanges the serial data output SI, the serial clock signal SCK, the busy signal BUSY, and the SI enable bar signal SIENB with the microcomputer 54.

The serial-to-parallel conversion chip IC2 inputs the respective output signals of the detection circuits 22 and 24 and the remote control input circuit 940, and reserves the reserve power of the reserve power check means 16 through the first optical input means 52C. The AC supply check signal PW ON of the auxiliary power supply unit 14 is input through the supply check signal LAMP ON and the second optical input means 52D.

The serial-to-parallel conversion chip IC2 outputs the drive control signal INVERTER, the battery test signal BAT-CK, the status display control signals TR, TG, and the like of the drive circuit 30.

The status display circuit 52A includes a red light emitting diode LED4 and a green light emitting diode LED5 as a status display lamp.

The battery test means 52B includes a light emitting diode LED6 and is optically coupled to the phototransistor PT1 of the auxiliary power supply unit 14 of the power supply circuit 10.

The first light input unit 52C includes a phototransistor PT3 and is optically coupled with the light emitting diode LED1 of the preliminary power detector 16 of FIG. 1.

The second light input unit 52D includes a phototransistor PT4 and is optically coupled with the light emitting diode LED2 of the auxiliary power supply unit 14 of FIG. 1.

The microcomputer 54 of FIG. 6 exchanges data with the serial-parallel conversion means IC2 and executes a given control program using the memory 56. As shown in FIG.

The voice output means 58 includes a voice synthesis chip IC3 and a speaker SP for inputting voice data AOUT provided from the microcomputer 54 and outputting an analog voice signal.

7 shows a flowchart for explaining the emergency light control program according to the present invention.

First, AC power is input and the system is initialized (100).

The test mode is checked (102), and if it is not the test mode, it is checked whether the main power supply voltage is turned on (104).

When the main power supply voltage is normally turned on, the green light emitting diode is turned on (106), and when the main power supply voltage is not normally turned on, the red light emitting diode is turned on (108).

When the ambient temperature is checked (110) and the ambient temperature is checked above the set fire detection temperature (50 ° C), a voice message is outputted (112) and the emergency state is displayed by turning on or flashing the emergency light. (114).

If the ambient temperature is normal in step 110, the ambient illuminance is checked (116), and when the ambient illuminance is lowered below the set illuminance, it is recognized at night and lights the emergency light of step 114.

In step 116, if the ambient illuminance is greater than or equal to the set value, it is checked whether the lamp is supplied (lamp 118). When the backup power is supplied in step 118, the emergency light of step 114 is turned on, or the backup power supply abnormal status is output as a message (120).

If it is the test mode in step 102, it is checked whether the AC test mode. In the AC test mode, when the AC supply is normal, the green LED is turned on, the emergency light is turned on or blinks, and a normal message is output (124).

If the AC supply is abnormal, the red LED is turned on, the emergency light is turned on or blinks, and an abnormal message is output (126).

As described above, in the present invention, by designing the emergency light device to be operated independently from the center, it is possible to reduce problems such as failure of the entire system.

In addition, each emergency light device may serve as a guide light as well as a fire detection and alarm function by detecting the ambient temperature, so that a fire can be quickly alerted.

In addition, in the present invention it is possible to remote check through the remote control of the emergency light device is convenient maintenance.

In the present invention, by removing the transformer from the power supply device it is possible to reduce the size and weight of the device.

Claims (15)

Emergency light; An emergency light driving circuit for turning on or off the emergency light; A power supply circuit for charging a battery by inputting a commercial AC and generating a power supply voltage for each circuit; An illuminance detection circuit for detecting peripheral illuminance; A remote control input circuit for inputting a remote control signal; A voice output circuit for outputting a voice through the speaker in response to the voice information; And Normally, the emergency light turns on at night and turns off during the day in response to the illuminance detection of the illuminance detection circuit, and when the remote control signal is input through the remote control input circuit, the power circuit is tested in response to the received remote control signal. And a control unit for displaying a test result by turning on or flashing the emergency light and outputting a voice message through the voice output circuit. The method of claim 1 wherein the test is Responding to the remote control signal emergency supply device characterized in that to cut off the supply of the commercial AC and the emergency power supply through the battery at the time of blocking. The power supply circuit of claim 2, wherein the power supply circuit A phase control unit for generating a switching control signal at every half-wave period of the commercial exchange; A switching unit for outputting a full-wave rectified signal by switching the commercial flow in a half-wave period in response to the switching control signal; A main power supply unit rectifying the full-wave rectified signal to output a main power supply voltage; An auxiliary power supply for regulating the main power supply voltage and outputting an auxiliary power supply voltage outputted as a driving voltage of the controller; And And an emergency power unit configured to switch the main power voltage in response to a terminal voltage of a battery to charge the battery to provide an emergency power voltage as the auxiliary power voltage when the commercial exchange is interrupted. The method of claim 3, wherein the auxiliary power supply unit AC input detection means for detecting the output of the auxiliary power supply voltage to detect whether or not commercial supply is supplied; And And a test signal input means for turning off the auxiliary power supply in response to a test control signal of the controller. According to claim 3, wherein the emergency power unit Reference voltage generating means for inputting the main power supply voltage to generate a reference voltage; Clock generating means for generating a clock signal by the reference voltage; Comparison means for generating a comparison signal by comparing the terminal voltage of the battery with the reference voltage; Latch means for latching a state of the comparison signal in response to the clock signal; And And switching means for switching the main power supply voltage to the charging voltage of the battery in response to an output signal of the latching means. According to claim 5, The emergency power unit And a battery check means for checking a terminal voltage of the battery and providing a battery status signal to the controller. The method of claim 1, wherein the control unit Input / output means for inputting a signal from each circuit unit to convert it into serial data and outputting a control signal provided as serial data to each circuit unit; Memory means for storing a system control program and state data; And a microcomputer for exchanging serial data with the input / output means and executing a system control program stored in the memory means to generate control signals of the circuit parts. 4. The power supply circuit of claim 3, wherein the power supply circuit The apparatus further includes a preliminary power detector for detecting whether the preliminary power provided from the central control center is supplied. And the control unit displays whether the current emergency light power source is a commercial AC power source or a backup power source in response to the detection signal of the detection unit of the spare power source. Emergency light; An emergency light driving circuit for turning on or off the emergency light; A power supply circuit for charging a battery by inputting a commercial AC and generating a driving voltage of each circuit; An illuminance detection circuit for detecting peripheral illuminance; A temperature detection circuit for detecting the ambient temperature; A voice output circuit for outputting a voice through the speaker in response to the voice information; And Normally, the emergency light turns on at night, turns off during the day in response to the illuminance detection of the illuminance detection circuit, and turns off the lights when the fire occurrence temperature is judged by the temperature detection circuit. And a control unit for displaying and outputting a fire alarm message through the voice output circuit. Emergency light, an emergency light drive circuit for turning on or off the emergency light, a power supply circuit which charges the battery with a direct current obtained by inputting commercial exchange, and generates a driving voltage for each circuit, and a control unit for turning on and off the emergency light through the emergency light driving circuit. In the emergency light device provided with, The power circuit A phase control unit for generating a switching control signal at every half-wave period of the commercial exchange; A switching unit for outputting a full-wave rectified signal by switching the commercial flow in a half-wave period in response to the switching control signal; A main power supply unit rectifying the full-wave rectified signal to output a main power supply voltage; An auxiliary power supply for regulating the main power supply voltage and outputting an auxiliary power supply voltage outputted as a driving voltage of the controller; And And an emergency power unit configured to switch the main power voltage in response to a terminal voltage of a battery to charge the battery to provide an emergency power voltage as the auxiliary power voltage when the commercial exchange is interrupted. The method of claim 10, wherein the auxiliary power supply unit AC input detection means for detecting the output of the auxiliary power supply voltage to detect whether or not commercial supply is supplied; And And a test signal input means for turning off the auxiliary power supply in response to a test control signal of the controller. The emergency power supply unit of claim 10, wherein the emergency power unit Reference voltage generating means for inputting the main power supply voltage to generate a reference voltage; Clock generating means for generating a clock signal by the reference voltage; Comparison means for generating a comparison signal by comparing the terminal voltage of the battery with the reference voltage; Latch means for latching a state of the comparison signal in response to the clock signal; And And switching means for switching the main power supply voltage to the charging voltage of the battery in response to an output signal of the latching means. The method of claim 12, wherein the emergency power unit And a battery check means for checking a terminal voltage of the battery and providing a battery status signal to the controller. The power supply circuit of claim 10, wherein the power supply circuit is The apparatus further includes a preliminary power detector for detecting whether the preliminary power provided from the central control center is supplied. And the control unit displays whether the current emergency light power is a commercial AC power or a backup power in response to a detection signal of the detection unit of the standby power. Emergency light; An emergency light driving circuit for turning on or off the emergency light; A power supply circuit for charging a battery by inputting a commercial AC and generating a power supply voltage for each circuit; An illuminance detection circuit for detecting peripheral illuminance; A temperature detection circuit for detecting the ambient temperature; A remote control input circuit for inputting a remote control signal; A voice output circuit for outputting a voice through the speaker in response to the voice information; And Normally, the emergency light turns on at night and turns off during the day in response to the illuminance detection of the illuminance detection circuit, and when the remote control signal is input through the remote control input circuit, the power circuit is tested in response to the received remote control signal. The test result is displayed as lighting or flashing driving of the emergency light and outputs a voice message through the voice output circuit, and fire alarm is generated by lighting or flashing driving of the emergency light when judging the fire occurrence temperature through the temperature detecting circuit. Emergency light device for displaying and outputting a fire alarm message through the voice output circuit.