JP7380396B2 - emergency lighting system - Google Patents

Description

TECHNICAL FIELD This disclosure relates to emergency lighting devices.

Patent Document 1 discloses a lighting device including a lamp serving as a light source and a secondary battery supplying power to the lamp. This lighting device includes a charging unit that receives power from an external power source and charges the secondary battery. Further, the lighting device includes a lighting circuit unit that lights the lamp using power supplied from the secondary battery when the regular power source is out of power. In addition, the lighting device controls operations for periodic inspection and constant monitoring of the secondary battery, and comprehensively judges the results of periodic inspection and constant monitoring to detect abnormalities in the secondary battery. A control unit for detecting is provided. The power supply of the control unit receives power from both the regular power supply and the secondary battery even during the inspection operation of the secondary battery.

Japanese Patent Application Publication No. 2005-353424

In general, emergency lighting devices such as guide lights or emergency lights are required to be regularly checked to see if they can be lit normally for a specified period of time using an emergency storage battery, which is a secondary battery. It is required by law. In emergency lighting equipment that obtains the power supply voltage of the control circuit from the battery voltage during automatic inspections that automatically perform such inspections, the control circuit resets when the battery voltage falls below the power supply voltage value at which the control circuit can operate. may be done. At this time, it is conceivable that information held by the control circuit indicating that automatic inspection is in progress may also be reset. As a result, the control circuit may return to the charging state without indicating that the battery is abnormal.

Further, Patent Document 1 proposes that a secondary battery can be accurately inspected by supplying power from a common power source. However, although this is an automatic inspection to simulate emergency lighting when the supply of regular power is lost, Patent Document 1 does not allow accurate simulation because power is supplied from the regular power supply to the control circuit. The problem was that there was no.

The present disclosure was made in order to solve the above-mentioned problems, and an object of the present disclosure is to obtain an emergency lighting device that allows accurate battery inspection.

The emergency lighting device according to the present disclosure includes a battery, a light source that is powered by the battery, and automatically checks whether the battery can light the light source for a predetermined period of time. and a flip-flop circuit that operates by being supplied with power from an external power source, and the control circuit is configured to perform the automatic inspection by being supplied with power from the battery, and is currently performing the automatic inspection. The flip-flop circuit is characterized in that inspection information indicating that there is a certain condition is stored in the flip-flop circuit.

In the emergency lighting device according to the present disclosure, inspection information indicating that automatic inspection is being performed is stored in the flip-flop circuit. Therefore, the battery can be inspected accurately.

1 is a diagram illustrating the configuration of an emergency lighting device according to Embodiment 1. FIG. 1 is a diagram showing a flip-flop circuit according to Embodiment 1. FIG. It is a flow chart explaining operation of an emergency lighting device concerning a comparative example. 3 is a flowchart illustrating the operation of the emergency lighting device according to the first embodiment.

An emergency lighting device according to this embodiment will be described with reference to the drawings. Identical or corresponding components may be given the same reference numerals and repeated descriptions may be omitted.

Embodiment 1.
FIG. 1 is a diagram illustrating the configuration of an emergency lighting device 100 according to the first embodiment. The emergency lighting device 100 includes a lighting device 10 and a light source section 80 having a light source 85. The emergency lighting device 100 is, for example, a guide light or an emergency light.

The light source section 80 is, for example, an LED module. The light source section 80 has a plurality of light sources 85. The light source 85 is, for example, a light emitting element such as an LED. The plurality of light sources 85 are connected in series. The light source section 80 may include one or more light sources 85. Furthermore, the plurality of light sources 85 may be connected in parallel or in series and parallel.

An external power supply AC is connected to the input side of the lighting device 10. The external power supply AC is, for example, a commercial alternating current power supply. The lighting device 10 is supplied with power from an external power source AC, and lights up the light source 85.

The lighting device 10 has a rectifier circuit DB1 and an isolated flyback circuit. The rectifier circuit DB1 is also called a diode bridge. The rectifier circuit DB1 rectifies alternating current power from an external power source AC. A capacitor C1 is connected in parallel to a pair of output ends of the rectifier circuit DB1. One end of the primary side of the transformer T1 is connected to the high potential side of the pair of output ends of the rectifier circuit DB1. The transformer T1 is also called a flyback transformer. The other end of the primary side of the transformer T1 is connected to the flyback control IC14.

The flyback control IC 14 has a built-in switching element. The switching element included in the flyback control IC 14 is, for example, a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). The flyback control IC 14 controls on/off of a built-in switching element to control the current flowing through the transformer T1.

An anode of a diode D1 is connected to the auxiliary winding on the primary side of the transformer T1. The cathode of the diode D1 is connected to the flyback control IC14 and the positive electrode of the capacitor C2. The diode D1 supplies power to the flyback control IC 14 from the auxiliary winding of the transformer T1. The negative electrode of capacitor C2 is connected to a grounding terminal.

A power outage detection section 12 is connected in parallel with the capacitor C1. A cathode of the diode D1 is connected to the power failure detection section 12.

A photocoupler PC1-1 is connected to the flyback control IC14 via a resistor R1. A photocoupler PC1-1 is provided to input information on the secondary side of the transformer T1 to the flyback control IC14. A capacitor C3 is connected between the line connecting the resistor R1 and the flyback control IC 14 and the ground terminal.

An anode of a diode D2 is connected to one end of the flyback winding on the secondary side of the transformer T1. Diode D2 is provided to transmit a stable voltage to the output side. A positive electrode of a capacitor C4 is connected to the cathode of the diode D2. The negative electrode of capacitor C4 is connected to the ground terminal. Further, in the grounding line, the primary side and the secondary side of the transformer T1 are insulated by a capacitor C6.

The anode of a diode D3 is connected to the output of the forward winding on the secondary side of the transformer T1. A capacitor C5 is connected between the cathode of the diode D3 and the ground terminal. A first terminal of the switching element Q1 is connected to the cathode of the diode D3 and the positive electrode of the capacitor C5. The switching element Q1 is, for example, a MOSFET. When the switching element Q1 is a MOSFET, the first terminal is the drain, the second terminal is the source, and the control terminal is the gate. The control terminal is a terminal for switching between the first and second terminals.

One end of a resistor R7 is connected to the control terminal of the switching element Q1. The other end of resistor R7 is connected to control circuit 16. A resistor R6 is connected between the first terminal and the control terminal of the switching element Q1. The positive electrode of the battery 40 is connected to the second terminal of the switching element Q1 via the charging circuit 18. The negative electrode of the battery 40 is connected to a grounding terminal. The battery 40 is an emergency storage battery such as a secondary battery.

Control circuit 16 controls charging circuit 18 to charge battery 40 . The battery 40 is charged with a constant current, for example. The battery 40 is supplied with charging current from the forward winding on the secondary side of the transformer T1 via the switching element Q1 and the charging circuit 18.

A flip-flop circuit 20 is connected to the cathode of the diode D3. A control circuit 16 is connected to the flip-flop circuit 20 .

One end of the coil L1 is connected to the positive electrode of the battery 40. The other end of coil L1 is connected to the anode of diode D6. The cathode of diode D6 is connected to the positive electrode of capacitor C8. The negative electrode of capacitor C8 is connected to the ground terminal. Further, the anode side of the light source section 80 is connected to the positive electrode of the capacitor C8 via the diode D5.

A switching element Q3 is connected between the connection point between the coil L1 and the diode D6 and the ground terminal. The switching element Q3 is, for example, a MOSFET. A first terminal of switching element Q3 is connected to an anode of diode D6. The second terminal of switching element Q3 is connected to the negative electrode of capacitor C8. A control terminal of switching element Q3 is connected to boost IC26. Coil L1, diode D6, and switching element Q3 form a booster circuit 30. Boost circuit 30 is also called a boost converter circuit.

A voltage detection circuit is connected in parallel with capacitor C8. The voltage detection circuit is composed of a resistor R12 and a resistor R13 connected in series. The voltage detection circuit detects the output voltage of the booster circuit 30. The voltage division value of resistor R12 and resistor R13 is input to booster IC26. Thereby, the boost IC 26 detects the output voltage of the boost circuit 30. The boost IC 26 turns on and off the switching element Q3 so that the voltage detected by the voltage detection circuit matches a predetermined target value. Thereby, the booster IC 26 controls the booster circuit 30 at a constant voltage. The booster circuit 30 boosts the voltage of the battery 40 to turn on the light source 85 when the external power supply AC is out of power.

An emergency control power supply circuit 24 is connected to the positive electrode of the battery 40. During a power outage, control power for the control circuit 16, boost IC 26, constant current control circuit 28, etc. is supplied from the battery 40 via the emergency control power circuit 24. A capacitor C7 is connected between the power supply line from the emergency control power supply circuit 24 to the boost IC 26 and the ground terminal.

The first terminal of the switching element Q2 is connected to the cathode of the diode D2 and the positive electrode of the capacitor C4. The switching element Q2 is, for example, a MOSFET. The anode of a diode D4 is connected to the second terminal of the switching element Q2. A resistor R10 is connected between the first terminal and the control terminal of the switching element Q2. A control circuit 16 is connected to a control terminal of the switching element Q2 via a resistor R11.

The anode side of the light source section 80 is connected to the cathode of the diode D4. Furthermore, a photocoupler PC1-2 is connected to the cathode of the diode D2 and the positive electrode of the capacitor C4 via a series circuit of a resistor R8 and a Zener diode DZ1. A resistor R9 is connected in parallel with the photocoupler PC1-2.

The output voltage on the secondary side of the transformer T1 can be detected by the photocoupler PC1-2 and the resistor R9. Photocoupler PC1-2 transmits the output voltage on the secondary side of transformer T1 to the primary side of transformer T1. The flyback control IC14 detects the output voltage on the secondary side of the transformer T1 via the photocoupler PC1-1. The flyback control IC 14 turns on and off a built-in switching element according to this detected voltage. This provides constant voltage feedback for the isolated flyback circuit.

When power is supplied to the lighting device 10 from the external power supply AC, the output voltage on the secondary side of the transformer T1 is supplied to the light source 85 via the switching element Q2 and the diode D4. This turns on the light source 85.

A regular control power supply circuit 22 is connected to the cathode of the diode D2 and the positive electrode of the capacitor C4. The regular control power supply circuit 22 generates power for the control circuit 16 and the constant current control circuit 28 from the output voltage on the secondary side of the transformer T1.

A constant current control circuit 28 and one end of a resistor R14 are connected to the cathode side of the light source section 80. The other end of the resistor R14 is connected to a grounding terminal. The voltage generated across the resistor R14 corresponds to the light source current flowing through the light source section 80. Constant current control circuit 28 detects the voltage generated across resistor R14. A predetermined target value is stored in a storage device included in the constant current control circuit 28. The constant current control circuit 28 performs constant current control on the light source current so that the voltage generated across the resistor R14 matches the target value.

The constant current control circuit 28 has an integrated circuit such as a microcomputer. Furthermore, the constant current control circuit 28 may include a switching element. The switching element included in the constant current control circuit 28 is, for example, a MOSFET. The constant current control circuit 28 controls the light source current by turning on and off a built-in switching element.

FIG. 2 is a diagram showing the flip-flop circuit 20 according to the first embodiment. The flip-flop circuit 20 has a set terminal 20a, a reset terminal 20b, a power supply terminal 20c, an output terminal 20d, and transistors 20e and 20f. The set terminal 20a and the reset terminal 20b are connected to the control circuit 16. The control circuit 16 inputs a set signal to a set terminal 20a. The control circuit 16 inputs a reset signal to the reset terminal 20b.

Power supply terminal 20c is connected to the forward winding on the secondary side of transformer T1 via diode D3. The flip-flop circuit 20 is supplied with power from an external power supply AC via a transformer T1. The output terminal 20d is connected to the control circuit 16.

When 1 is input to the set terminal 20a and 0 is input to the reset terminal 20b, the output from the output terminal 20d becomes 0. By inputting 0 to the set terminal 20a and inputting 1 to the reset terminal 20b, the output of the output terminal 20d becomes 1. When the inputs to the set terminal 20a and the reset terminal 20b are 0, the current value of the output from the output terminal 20d is held.

Hereinafter, a signal in which the set terminal 20a is 1 and the reset terminal 20b is 0 will be referred to as a set signal. Further, a signal in which the set terminal 20a becomes 0 and the reset terminal 20b becomes 1 is called a reset signal.

Next, the operation of the emergency lighting device 100 will be explained. During normal use, the transformer T1 is supplied with voltage from an external power supply AC. The output voltage of the transformer T1 is constant voltage controlled by the flyback control IC 14 and applied to the light source 85. Further, the light source current is controlled to be a constant current by a constant current control circuit 28. In this way, during normal use, the light source 85 is turned on by being supplied with power from the external power source AC. Note that normal use refers to a non-power outage period when power is supplied to the lighting device 10 from the external power source AC. The external power supply AC is also called a common power supply.

During normal use, the control circuit 16 outputs a signal that turns on the switching elements Q1 and Q2. This allows power to be supplied from the transformer T1 to the light source 85. Furthermore, it becomes possible to charge the battery 40 from the transformer T1 via the charging circuit 18. During normal use, the battery 40 is constantly charged via the charging circuit 18 from the power generated by the forward winding.

During normal use, control power for the control circuit 16, constant current control circuit 28, etc. is supplied via the normal control power supply circuit 22 from the output voltage of the constant voltage controlled transformer T1.

In an emergency, the voltage of the battery 40 is boosted by the booster circuit 30. The output voltage of the booster circuit 30 is applied to the light source 85. Further, the light source current is controlled to be a constant current by a constant current control circuit 28. In this way, in an emergency, the light source 85 is powered by the battery 40 and turned on. Note that the emergency refers to a power outage in which power is not supplied to the lighting device 10 from the external power source AC.

In an emergency, control power for the control circuit 16, booster IC 26, constant current control circuit 28, etc. is supplied from the battery 40 via the emergency control power supply circuit 24.

Next, the operation of the emergency lighting device 100 during automatic inspection will be explained. The control circuit 16 automatically checks whether the battery 40 is capable of lighting the light source 85 for a predetermined period of time. The control circuit 16 is supplied with power from the battery 40 via the emergency control power supply circuit 24 to perform automatic inspection.

During automatic inspection, the transformer T1 is supplied with voltage from the external power supply AC. The output voltage of the transformer T1 is constant voltage controlled by the flyback control IC14. Furthermore, during automatic inspection, the control circuit 16 outputs a signal that turns off the switching elements Q1 and Q2. Therefore, power is not supplied to the light source 85 and the charging circuit 18 from the external power supply AC.

Further, during automatic inspection, the control circuit 16 stops the regular control power supply circuit 22. Therefore, power is not supplied to the control circuit 16 and the constant current control circuit 28 from the regular control power supply circuit 22. During automatic inspection, the control circuit 16, booster IC 26, and constant current control circuit 28 operate by being supplied with power from the battery 40 via the emergency control power supply circuit 24. In this way, during automatic inspection, the operation of each part using the power of the battery 40 is the same as in an emergency.

Note that in this embodiment, the control circuit 16 controls on/off of the switching elements Q1 and Q2. The present invention is not limited to this, and the switching elements Q1 and Q2 may not be provided. In this case, the control circuit 16 may directly turn on and off the power supply from the transformer T1 to the light source 85 and the charging circuit 18.

FIG. 3 is a flowchart illustrating the operation of the emergency lighting device according to the comparative example. The emergency lighting device according to the comparative example does not include the flip-flop circuit 20. Further, the control by the control circuit 16 is partially different from this embodiment.

In step S1, external power supply AC is input. Thereby, as shown in step S2, the light source 85 is normally turned on. Also, the battery 40 is charged. In step S3, automatic inspection is started. Thereby, as shown in step S4, the light source 85 is supplied with power from the battery 40 and is turned on in an emergency.

When the light source 85 is turned on for a specified period of time, the control circuit 16 determines that the battery 40 is normal, as shown in step S5. Next, the control circuit 16 turns on the charging monitor lamp, as shown in step S6. The control circuit 16 notifies the user of the normality determination by lighting the lamp.

If the light source 85 goes out for less than the specified time, the control circuit 16 determines that the battery 40 is abnormal or has reached the end of its lifespan, as shown in step S7. Next, the control circuit 16 causes the charging monitor lamp to blink, as shown in step S8. The control circuit 16 notifies the user of the abnormality determination or lifespan determination by blinking the lamp.

Here, a battery at the end of its lifespan or a battery that has progressed in deterioration generally has a high internal impedance. In this case, even if the battery voltage after charging is normal, the battery voltage may drop suddenly due to the discharge current and internal impedance when the emergency lighting is activated. Therefore, when acquiring the power supply voltage of the control circuit 16 from the battery voltage during automatic inspection, the battery voltage may fall below the voltage at which the control circuit 16 can operate.

At this time, the control circuit 16 is reset by the reset function of the microcomputer or the like. The light source 85 is turned off by resetting the control circuit 16. Additionally, the information held by the control circuit 16 indicating that automatic inspection is in progress is reset. Thereby, the emergency lighting device 100 returns to the charging state. At this time, information indicating that automatic inspection is being performed is lost. Therefore, as shown in step S9, the control circuit 16 determines that the battery 40 is normal. Therefore, the control circuit 16 lights the lamp to notify the user of the normality determination, as shown in step S10.

As described above, in the emergency lighting device according to the comparative example, battery abnormality may not be displayed due to the reset of the control circuit 16.

On the other hand, it is conceivable to store all the information regarding the control of the control circuit 16 in a nonvolatile memory. However, a large capacity is required for the nonvolatile memory, which may increase the size of the emergency lighting device.

FIG. 4 is a flowchart illustrating the operation of the emergency lighting device 100 according to the first embodiment. Steps S1 to S3 are similar to the operations described in FIG. 3. In step S3, the control circuit 16 may start automatic inspection by inputting an inspection request for the battery 40 from the outside. Further, the control circuit 16 may perform automatic inspection at a predetermined time.

Next, as shown in step S104, the control circuit 16 sets inspection information in the flip-flop circuit 20 indicating that automatic inspection is being performed. Specifically, the control circuit 16 inputs a set signal to the flip-flop circuit 20. As a result, logic 0 continues to be output from the output terminal 20d of the flip-flop circuit 20. In this manner, the control circuit 16 causes the flip-flop circuit 20 to store inspection information.

Next, the control circuit 16 turns on the light source 85 using the power from the battery 40 in an emergency, as shown in step S105.

If the light source 85 is turned on for a specified period of time during the automatic inspection, the control circuit 16 determines that the battery 40 is normal, as shown in step S106. Next, the control circuit 16 turns on the charging monitor lamp, as shown in step S107. A charging monitor lamp is provided to notify the user of the state of the battery 40. The control circuit 16 notifies the user of the normality determination, for example by lighting a lamp.

If the light source 85 goes out in less than the specified time during the automatic inspection, the control circuit 16 determines that the battery 40 is abnormal or has reached the end of its lifespan, as shown in step S108. Next, the control circuit 16 causes the charging monitor lamp to blink, as shown in step S109. The control circuit 16 notifies the user of abnormality determination or lifespan determination, for example, by blinking a lamp.

Further, if the voltage supplied from the battery 40 via the emergency control power supply circuit 24 during automatic inspection becomes less than the power supply voltage of the control circuit 16, the control circuit 16 is reset by the reset function of the microcomputer or the like. The light source 85 is turned off by resetting the control circuit 16.

When the control circuit 16 is reset and restarted during automatic inspection, it reads inspection information from the flip-flop circuit 20 . The inspection information read by the control circuit 16 corresponds to logic 0 at the output terminal 20d.

Based on the read inspection information, the control circuit 16 recognizes that automatic inspection is in progress, and determines whether the battery 40 is capable of lighting the light source 85 for a specified period of time. Thereby, the control circuit 16 determines that the battery 40 is abnormal or has reached the end of its lifespan, as shown in step S108. Next, the control circuit 16 causes the charging monitor lamp to blink, as shown in step S109. The control circuit 16 notifies the user of abnormality determination or lifespan determination, for example, by blinking a lamp.

Next, the control circuit 16 releases the inspection information stored in the flip-flop circuit 20 after the automatic inspection is completed, as shown in step S110. That is, the control circuit 16 inputs the reset signal and sets the output of the output terminal 20d to logic 1.

Further, the control circuit 16 also executes step S110 after determining normality and cancels the inspection information.

In this embodiment, the control circuit 16 causes the flip-flop circuit 20 to store the mode when entering the automatic inspection mode. Therefore, even if the power supply of the control circuit 16 is reset due to a drop in battery voltage, the control circuit 16 can notify the outside of the abnormality of the battery 40 based on the information stored in the flip-flop circuit 20. Therefore, the battery 40 can be inspected accurately.

Further, the flip-flop circuit 20 operates by being supplied with power from an external power supply AC. Therefore, even if the battery voltage drops during automatic inspection, the flip-flop circuit 20 can retain inspection information. Even when the control circuit 16 is reset, the inspection information of the flip-flop circuit 20 is held until a reset signal is input from the control circuit 16. Therefore, the control circuit 16 can recognize that automatic inspection is being performed after restarting.

The control circuit 16 is supplied with power from the battery 40 and performs automatic inspection. During automatic inspection, power for the control circuit 16 is not supplied from the external power supply AC. Therefore, the same operation as in an emergency can be simulated, and the battery 40 can be inspected accurately.

Furthermore, there is no need to write to the nonvolatile memory or the like of the control circuit 16 in order to hold the inspection information. Therefore, memory capacity can be reduced.

The control circuit 16 is, for example, a microcomputer. The control circuit 16 may be composed of one control device such as a microcomputer, or may be composed of a plurality of control devices. The control circuit 16 includes, for example, a calculation section, a storage section, an output section, and an input section. The calculation unit performs calculations for implementing automatic inspection processing. The storage unit stores programs and the like executed by the calculation unit. The output section outputs a set signal and a reset signal to the flip-flop circuit 20. The input section reads inspection information from the flip-flop circuit 20.

The flip-flop circuit 20 shown in FIG. 2 is an example. The flip-flop circuit 20 may be any circuit that can hold and release signals using the set signal and reset signal from the control circuit 16. As the flip-flop circuit 20, a general-purpose flip-flop IC or another configuration may be adopted.

In this embodiment, the set signal corresponds to inspection information. However, the control circuit 16 may input either a set signal or a reset signal to the flip-flop circuit 20 to store the inspection information in the flip-flop circuit 20 . Further, the control circuit 16 may release the inspection information stored in the flip-flop circuit 20 by inputting the other of the set signal and the reset signal to the flip-flop circuit 20.

Further, the control circuit 16 is switched from the normal mode to the automatic inspection mode when an inspection request is input from the outside, for example. When the control circuit 16 enters the automatic inspection mode, the control circuit 16 causes the flip-flop circuit 20 to store inspection information. After storing the inspection information in the flip-flop circuit 20, the control circuit 16 turns on the light source 85 to carry out automatic inspection. The present invention is not limited to this, and the control circuit 16 may cause the flip-flop circuit 20 to store the inspection information after starting the emergency lighting of the light source 85.

Note that the technical features described in this embodiment may be used in combination as appropriate.

Reference Signs List 10 lighting device, 12 power failure detection section, 16 control circuit, 18 charging circuit, 20 flip-flop circuit, 20a set terminal, 20b reset terminal, 20c power supply terminal, 20d output terminal, 20e, 20f transistor, 22 regular control power supply circuit, 24 Emergency control power supply circuit, 28 constant current control circuit, 30 booster circuit, 40 battery, 80 light source section, 85 light source, 100 emergency lighting device, AC external power supply, C1 to C8 capacitor, D1 to D6 diode, DB1 rectifier circuit, DZ1 Zener diode, 14 flyback control IC, 26 boost IC, L1 coil, PC1-1, PC1-2 photocoupler, Q1 to Q3 switching element, R1, R6 to R14 resistor, T1 transformer

Claims (6)

battery and
a light source that is powered by the battery and lights up;
a control circuit that automatically checks whether the battery is capable of lighting the light source for a predetermined period of time;
A flip-flop circuit that operates by being supplied with power from an external power source;
Equipped with
The emergency lighting device is characterized in that the control circuit performs the automatic inspection by being supplied with power from the battery, and causes the flip-flop circuit to store inspection information indicating that the automatic inspection is in progress. . When the control circuit is reset and restarted during the automatic inspection, the control circuit reads the inspection information from the flip-flop circuit, and based on the inspection information, the battery can turn on the light source for the specified time. 2. The emergency lighting device according to claim 1, wherein the emergency lighting device determines whether there is an emergency lighting device. 3. The emergency lighting device according to claim 1, wherein the control circuit releases the inspection information stored in the flip-flop circuit after the automatic inspection is completed. The control circuit stores the inspection information in the flip-flop circuit by inputting either a set signal or a reset signal to the flip-flop circuit, and inputs the set signal or the reset signal to the flip-flop circuit after the automatic inspection is completed. The emergency lighting device according to any one of claims 1 to 3, wherein the inspection information stored in the flip-flop circuit is canceled by inputting the other of the reset signals. The emergency control system according to any one of claims 1 to 4, wherein the control circuit stores the inspection information in the flip-flop circuit and then turns on the light source to carry out the automatic inspection. lighting equipment. The emergency lighting device according to any one of claims 1 to 5, wherein the flip-flop circuit is supplied with power from the external power source via a transformer.

Images