KR100759989B1 - Automatic Self Checking Apparatus for Emergency Light - Google Patents

Abstract

The present invention relates to an automatic self-diagnosis apparatus such as emergency lighting. More specifically, the present invention is to self-diagnose the battery fault, emergency power supply fault, lamp fault condition, battery current remaining state, and battery switching function such as emergency lighting.

According to the present invention, since the current remaining amount of the charging battery is automatically self-diagnosed and displayed on the main body, the charging state can be easily checked.

In addition, the ID address is input to the emergency lighting, and the magnetic position is confirmed, and thus, the self-diagnosis and monitoring of various states such as battery switching function can be performed remotely by digital two-way communication. In addition, maintenance schedule management such as lamp and battery replacement prediction is managed by computer, so that emergency lighting can be maintained in normal operation state by automation of facility management.

Emergency lighting, self-diagnosis, magnetic position indication, battery current level, remote control, monitoring

Description

Automatic Self Checking Apparatus for Emergency Lighting {Automatic Self Checking Apparatus for Emergency Light}             

1 is a circuit diagram of an embodiment of the prior art;

Figure 2 is an overall block diagram of the electrical circuit of the present invention.

The present invention relates to an apparatus for automatically self-diagnosing a battery state, a lamp state, such as emergency lighting. More specifically, it automatically self-diagnoses and displays on the LEDs the battery abnormalities such as emergency lighting, battery current level, battery switching function, commercial power failure, and lamp abnormalities. It relates to a device for monitoring.

In general, emergency lighting is an emergency light that illuminates the direction of evacuation exit for a certain period of time so that it can be easily evacuated in case of a fire or an emergency power outage, and it is very important that the charging battery and lamp are kept in a normal state at all times. Do.

In other words, when commercial power is not supplied, the emergency light should be automatically switched to the built-in charging battery of the main body and be turned on for a certain time. Therefore, the battery status, lamp status, and battery switching function should be checked and maintained in a normal state.

Conventional inspection method is to visit the place where emergency lights are installed to check the charging battery switching function and operate the inspection switch, or check the place where there is no fire facility manager due to inconvenience such as manual inspection by using a remote controller. Neglecting this, serious problems have arisen that the lighting does not light in an emergency.

In particular, there is a problem that the emergency light does not turn on due to the failure of checking the current status of the charge battery current, and the failure of the charging battery without the charging function in a timely manner, and when a large number of emergency lights are installed, Inefficient facility management, which leads to the state where emergency lighting is neglected due to the lack of precise maintenance work, has been maintained.

As one of the prior art of the present invention, the Republic of Korea Utility Model Publication No. 20-0223320 (published date: 2001.5.15) discloses a technology related to "emergency lighting using a cold cathode fluorescent lamp." This technology is an emergency light to guide the evacuation direction in case of fire, so that a low-power cold cathode tube can be used to reduce the power consumption and manufacturing cost, and to extend the life of emergency lighting. It is about.

The prior art design shown in Figure 1 is a rectifier diode (2) (3) is connected to the commercial power input terminal (AC) through a transformer (1), the diode (4) at the output terminal of the diode (2) (3) The coil 6 and the charging battery 7 are connected to each other through the resistor 5 and the relay switch 10 of the relay 9 that is connected to the P-type receiving panel 8 and the commercial power input terminal to be excited when detecting a fire. At one end, the base of the transistor 12 is connected to the inverter 11 and a resistor together with the diode 2, and the rechargeable battery 7 is connected to the collector of the transistor 12 through a resistor 13. In addition, the primary coil of the transformer 14 is connected to the emitter, while the switch 15 is connected between the rechargeable battery 7 and the primary coil of the transformer 14, and a resistor is connected to the secondary side of the transformer 14. The resistor 18 and the display lamp 19 are connected together with the base of the transistor 17 through 16. The primary coil of the transformer 20 is connected to one end of the relay switch 10 and the collector of the transistor 12, while the diode 21, the resistor 22, and the capacitor 23 are connected to the secondary coil of the transformer 20. Cold cathode tube fluorescent lamp 25 is connected through a smoothing circuit consisting of 24).

However, the prior art may not perform the inspection due to the inconvenience of manually pressing a charging battery operation switch such as an emergency light installed at a height by using a ladder or an inspection rod to check the rechargeable battery.

There is a serious problem in that emergency lighting does not work in an emergency due to the lack of a method of checking the current level of a rechargeable battery due to a lack of timely replacement of a charged battery. In particular, since manual management of various abnormalities such as a large amount of emergency lighting and maintenance work is manually performed, efficient management is not properly performed after installation.

Most of them use AC 110V / 220V power supply, which may cause short circuit or electric fire, and does not consider the safety of workers.

The present invention has been made to solve the problems of the prior art, the object of the invention is to automatically switch to a charging battery during an emergency power failure, lamp abnormalities, commercial power abnormalities, battery abnormalities, the remaining amount of current of the charging battery, etc. It is an object of the present invention to provide an automatic self-diagnosis device such as an emergency light that can be displayed on the front of the main body by automatically self-diagnosing at a set time unit.

Another object of the present invention is to manage lamp replacement schedule by remotely self-diagnostic, control and monitoring by self-diagnosis software which is input in advance by digital two-way communication between emergency lighting and ID which are given ID address. It is to provide automatic self-diagnosis device such as emergency lighting which can automatically control various maintenance and maintenance schedules such as battery exchange schedule management and various data storage, analysis and processing.

In order to achieve the object of the present invention, the present invention provides a power supply protection circuit unit that protects the circuit from overcurrent, surge voltage, etc., a rectifier circuit unit that converts an AC voltage into a DC voltage, and a constant output voltage when the voltage value of the power supply unit changes. Current voltage control function according to the load of the circuit and constant voltage circuit part that maintains a constant voltage when there is an error, a display part which turns on the LED by self-diagnosing the state of the commercial power source, and from the commercial power source to the battery power source in case of power failure In the emergency lighting lamp diagnostic device comprising a switching control unit for automatically switching the power supply and a charging battery for supplying a driving voltage to the emergency lighting lamp,
An infrared lamp generating a 4.3 μm infrared wavelength; An infrared light receiving unit for receiving infrared light emitted from the infrared lamp; A lamp abnormality detection unit configured to apply the minute current to both ends of an incandescent lamp or a halogen lamp such as an emergency lighting lamp to self-diagnose the abnormality of the lamp; A charging control unit which senses a charging state of the charging battery while charging the charging battery with the constant voltage power supplied through the constant voltage circuit unit; A voltage checker for constantly checking the voltage of the charging battery; A current amount calculating circuit unit which constantly measures the current remaining amount of the charging battery; A current amount display unit for displaying the residual current amount measured by the current amount calculation circuit unit; A self-diagnosis control unit for temporarily shutting off power of the constant voltage supplied through the constant voltage circuit unit to diagnose state information such as emergency lighting and state information of the charging battery; An RS-485 communication interface unit capable of real-time transmission of information diagnosed by the self-diagnosis control unit through digital communication; An event storage unit for storing whether the infrared light receiving unit receives infrared rays, whether an abnormality detection unit detects an abnormality of the lamp, whether the state of charge of the charging control unit is detected, whether the current amount is displayed in the current amount display unit, or whether the self-diagnostic control unit is operated; A self diagnosis period setting unit for arbitrarily setting a self diagnosis period of the self diagnosis control unit; An ID setting unit for inputting an ID address number to each emergency light by operating a setting switch provided in the emergency light; The infrared light receiving unit, the detecting unit, the charging control unit, the voltage check unit, the current amount calculation circuit unit, the current amount display unit, the self-diagnostic control unit, the RS-485 communication interface unit, the event storage unit, the self-diagnosis period setting unit and the ID setting unit, respectively It is characterized by including the MPU to control the configuration.
Lamp replacement schedule management, battery replacement schedule management, regular inspection schedule management, based on the status information of the emergency lights, such as emergency lights stored in the MPU connected event storage unit, the diagnostic status of the charging battery, whether the infrared light receiving unit is received, etc. It is characterized by being able to carry out various schedule management such as date and time management of power failure, maintenance check schedule planning.
A unique number, which is an ID address number, is given by the ID setting unit connected to the MPU, and the self position is displayed and recognized externally. It is possible to remotely control and monitor the battery status, commercial power status, lamp error status, battery switching function status, etc. of stored emergency lights.
Connected to the MPU, the residual charge amount is automatically calculated and calculated by the current amount calculation circuit part, and the emergency light lamp displays the blue LED when the current residual charge is 100% charged on the front surface of the main body through the battery residual amount display part, and the red LED when the 50% charge is applied. It is characterized by automatic diagnosis of battery residual current.

delete

delete

delete

delete

Best Mode for Carrying Out the Invention The best embodiment of the present invention will be described below with reference to the drawings.

2 is an electric circuit block diagram for explaining an embodiment of the present invention.

The power protection circuit unit 51 protects the circuit from overcurrent, surge voltage, and the like, the rectifier circuit unit 52 converts the AC voltage into a DC voltage, and the constant voltage circuit unit 53 supplies a constant output voltage when the power supply voltage value changes. When there is an abnormality in the current amount control function and the input voltage according to the load of the circuit, the constant voltage is maintained, and the LED is turned on through the display unit 67 by self-diagnosing the state of the commercial power supply.

The switching control unit 54 automatically switches the switching from the commercial power supply to the battery power supply in case of power failure, supplies the driving voltage from the charging battery 60 to the emergency light 56, controls the automatic battery switching function, and is carried by the inspector. When the infrared lamp 58 mounted on the remote controller (not shown) generates a 4.3 μm infrared wavelength and is received by the infrared light receiving unit 57, the switching controller 54 processes the signal to check the battery automatic switching function. That is, when the infrared light is received by the infrared light receiving unit 57, the main power supplied from the constant voltage circuit unit 53 is cut off and the power of the charging battery 60 is supplied.

The lamp abnormality detection unit 55 applies a minute current to both ends of the incandescent lamp or the halogen lamp of the emergency light 56 to self-diagnose the abnormality of the lamp.

The charging control unit 59 detects the charging / discharging state of the charging battery 60 to charge when the charging battery 60 is in a discharged state and stop charging when the charging battery 60 is in a discharged state. That is, the MPU 66 checks and controls the performance abnormality of the trickle charge control, the overcharge prevention control, and the charge battery.
The voltage check unit 61 and the current amount calculating circuit unit 62 measure the current remaining amount of the charging battery 60 and signal-process it by a battery current measuring program pre-inputted in the MPU 66 to display the current remaining amount in the current amount display unit 63. The remaining current is indicated by the blue LED at 100% and the red LED at 50%.

The self-diagnostic control unit 64 transmits the self-diagnostic state information through the RS-485 communication interface unit 65 in real time by digital communication. Here, the self-diagnosis control unit 64 cuts off the main power to diagnose the abnormality of the input / output voltage and the emergency light 56 of the charging battery 60, and the diagnosed state information is transferred to the external computer through the communication interface 65. Is sent.
At this time, the event storage unit 68 stores the diagnosed state information, that is, the state information such as the diagnosis state of the charging battery 60, the diagnosis state of the emergency light 56, and the reception of the infrared light receiving unit 57, and the like. .

The MPU 66 has a charging control function, a switching control unit 54 control function for switching from a commercial power supply to a charging battery 60, a disconnection monitoring function, a communication interface 65 control function, an infrared light receiving unit 57 control function, a magnetic The diagnostic control unit 64 control function, the ID setting unit 70 control function, the self-diagnosis period setting unit 69 control function, and the current amount calculation circuit unit 62 perform control functions.

The self-diagnosis period setting unit 69 may arbitrarily set the diagnosis period of the self-diagnosis control unit 64. Therefore, the self-diagnosis control unit 64 is operated by the diagnosis cycle set by the self-diagnosis period setting unit 69 to operate the MPU 66, the self-diagnosis control unit 64, the switching control unit 54, the voltage check unit 61, The lamp abnormality detection unit 55 and the current amount calculating circuit unit 62 automatically measure the current residual of the commercial power supply fault, the charge battery 60 fault, the lamp fault, and the charge battery 60 to perform self-diagnosis.

The ID setting unit 70 can input an ID address number to each emergency light by operating a setting switch provided in the emergency light. Thereby, a unique number is assigned to the emergency lighting. At this time, when the state information such as the emergency light stored in the event storage unit 68 is transmitted to the external computer through the RS-485 communication interface 65, the emergency light corresponding to the unique number by identifying the unique number through the external computer. It can be monitored, and by operating the self-diagnostic control unit 64 remotely through the interface unit 65 using a computer from the outside can diagnose and check the state of emergency lighting and the like.

The operation according to the configuration of the present invention will be described.

The power supply protection circuit section 51 and the constant voltage circuit section 53 protect the entire circuit such as emergency lighting and maintain constant voltage at all times. The self-diagnostic control unit 64 and the ID setting unit (MPU 66) include a charge control function, a control function for switching from a commercial power supply to a battery, a disconnection monitoring function, an abnormal state event information control function, and a control method using a micro process program. 70) The self-diagnosis period setting unit 69, the battery charge control unit 59, the battery voltage check unit 61, and the switching control unit 54 self-diagnose the battery abnormality, the commercial power supply abnormality, and the battery switching function. It is indicated by LED of 67).

When the 4.3 占 퐉 infrared wavelength generated from the infrared lamp 58 is received by the infrared light receiving unit 57, it is signaled by the switching control unit 54 to check the battery automatic switching function state. The lamp abnormality detection unit 55 applies a minute current to both ends of the lamp of the emergency light 56 to self-diagnose the abnormality of the lamp.

The amount of current of the charging battery 60 is measured by the amount of current calculating circuit 62, and signal conversion control is performed by the current measuring program at the MPU 66, so that the amount of current remaining in the charging battery 60 is 100%. ) Is displayed, and when the current remaining amount is 50%, the blue LED is displayed as the red LED of the current amount display unit 63.

The microprocessor is controlled by the ID setting unit 70 and the event storage unit 68 for inputting an ID address to each emergency lighting unit. The state information of each emergency lighting unit 66 is analyzed, processed, and stored, and the self-diagnostic control unit 64 ) And the RS-485 communication interface 65 converts the digital transmission signal into a digital transmission signal and checks the self-diagnosis, remotely monitors the self-diagnosis, control and monitoring. In other words, the communication interface 65 can perform bidirectional communication.

The switching control unit 54 operates by the infrared sensing of the infrared hand unit 57 to cut off the main power and apply the power of the charging battery 60. In addition, the voltage checker 61 connected to the MPU 66 self-diagnoses abnormal power supply. In addition, the lamp abnormality detecting unit 55 automatically diagnoses the abnormality of the incandescent lamp and the halogen lamp which are the emergency lighting lamps 56. The current remaining amount of the charge battery 60 is measured by the current amount calculating circuit unit 62 connected to the MPU 66. Then, the self-diagnosis control unit 64 connected to the MPU 66 is operated by a self-diagnosis display period arbitrarily set by the self-diagnosis period setting unit 69 to perform self-diagnosis. 63).

Automatically inputted by the MPU 66, the event storage unit 68, the self-diagnosis control unit 64, and the communication interface unit 65 by inputting an address ID number to each emergency light by the ID setting unit 70. By means of two-way communication, the monitoring and monitoring software remotely automatically diagnoses and controls the lamp state of the emergency light 56, the state of the charging battery 60, the state of commercial power supply, and the state of battery switching function.

By the software program input from the event storage unit 68 connected to the MPU 66, the state of the infrared light receiving unit 57, the state of the lamp of the emergency light 56, the state of the charging battery 60, the communication interface unit 65 The administrator can perform various schedule management such as lamp replacement schedule management, battery replacement schedule management, regular inspection schedule management, power failure date and time management, maintenance inspection schedule planning and so on based on the stored information. have.

Battery state such as emergency light indicating magnetic position by MPU 66, event storage unit 68, self-diagnostic control unit 64, communication interface 65 and ID setting unit 70, commercial power state, lamp Monitor for abnormal conditions and battery switching function status.

delete

delete

Automatic self-diagnosis of battery abnormalities such as emergency lighting, commercial power abnormalities, lamp abnormalities, and charging battery switching function, and the current level of the charging battery is displayed on the front of the main body such as emergency lighting so that charging batteries can be replaced in a timely manner. .

In addition, RS-485 bidirectional communication and network can be configured by assigning individual address IDs to each emergency lighting to automatically diagnose, control and monitor remotely in the disaster prevention room.Rechargeable battery replacement schedule, lamp replacement schedule, periodic inspection Schedule management can be performed.

As described above, the present invention can be visually conveniently checked by the automatic self-diagnosis method such as charging battery abnormalities, lamp abnormalities, commercial power abnormalities, battery switching functions such as emergency lighting.

Since the battery current status is automatically displayed on the front of the emergency light, the battery replacement time is predicted, which can prevent the problem that the emergency light does not work when the power failure occurs due to battery failure.

In addition, each emergency lighting with ID address is input and its location is automatically checked, remotely diagnosed, monitored and controlled by digital two-way communication and computer network. It can be checked and maintained, and the efficient self-diagnosis type maintenance and repair work is performed to prevent accidents and safety accidents.

Claims (6)

The power supply protection circuit section 51 which protects the circuit from overcurrent, surge voltage, etc., the rectifying circuit section 52 which converts an AC voltage into a direct current voltage, and the constant output voltage when the voltage value of the power supply section changes, Current voltage control function according to load and constant voltage circuit part 53 which maintains a constant voltage when there is an error, display part 67 which self-diagnoses the state of commercial power supply and lights it with LED, and battery power supply from commercial power supply in case of power failure In the emergency lighting lamp diagnostic device comprising a switching control unit 54 for automatically switching to the power supply and a charging battery 60 for supplying a driving voltage to the emergency lighting lamp 56, An infrared lamp 58 for generating a 4.3 µm infrared wavelength; An infrared light receiving unit 57 for receiving infrared light emitted from the infrared lamp 58; A lamp abnormality detection unit 55 for applying the minute current to both ends of the incandescent lamp or the halogen lamp of the emergency light 56 to self-diagnose the abnormality of the lamp; A charging control unit 59 sensing a charging state of the charging battery 60 while charging the charging battery 60 with a constant voltage power supplied through the constant voltage circuit unit 53; A voltage checker 61 which always checks the voltage of the charging battery 60; A current amount calculating circuit part 62 which constantly measures the current remaining amount of the charging battery 60; A current amount display section 63 for displaying the amount of residual current measured by the current amount calculation circuit section 62; A self-diagnosis control unit 64 for diagnosing the state information of the emergency light 56 and the state information of the charging battery 60 by temporarily shutting off the power of the constant voltage supplied through the constant voltage circuit unit 53; An RS-485 communication interface unit 65 capable of transmitting information diagnosed by the self-diagnosis control unit 64 in real time through digital communication; Whether the infrared light receiving unit 57 receives the infrared light, whether the lamp abnormality detection unit 55 detects the abnormality, whether the charge control unit 59 senses the state of charge, whether the current amount display unit 63 displays the current amount, or the self-diagnostic control unit 64 An event storage unit 68 for storing an operation state; A self diagnosis period setting unit (69) for arbitrarily setting the self diagnosis period of the self diagnosis control unit (64); An ID setting unit 70 for inputting an ID address number to each emergency light by operating a setting switch installed in the emergency light; The infrared light receiving unit 57, the detection unit 55, the charge control unit 59, the voltage check unit 61, the current amount calculation circuit unit 62, the current amount display unit 63, the self-diagnosis control unit 64, RS-485 communication interface And an MPU 66 connected to the unit 65, the event storage unit 68, the self-diagnosis cycle setting unit 69, and the ID setting unit 70 to control the respective configurations. Automatic self-diagnosis device such as emergency lighting. delete delete According to claim 1, wherein the diagnostic state of the emergency light (56) stored in the event storage unit 68 connected to the MPU (66), the diagnosis state of the charging battery 60, the state of receiving the infrared light receiving unit 57, etc. Based on the information, it is possible to carry out various schedule management such as lamp replacement schedule management, battery replacement schedule management, battery maintenance schedule management, regular inspection schedule, power failure date and time management, maintenance inspection schedule planning and so on based on the information. Self-diagnosis device. According to claim 1, wherein the ID setting unit 70 connected to the MPU 66 is assigned a unique number which is an ID address number is displayed on its own position can be recognized from the outside, the communication interface unit connected to the MPU 66 Battery status such as emergency lighting diagnosed and stored by the self-diagnostic control unit 64 and the event storage unit 68 connected to the MPU 66 through the 65, the commercial power state, the lamp abnormal state, the battery switching function state, etc. Automatic self-diagnosis device, such as emergency lighting, characterized in that the remote control and monitoring. The method of claim 1, wherein the remaining charge amount is automatically measured and calculated in the current amount calculating circuit part 62 by being connected to the MPU 66, and when the current remaining amount is 100% charged to the front surface of the main body of the emergency light through the battery remaining amount display part 63, the color is blue. Automatic self-diagnosis device for emergency lighting, characterized in that it automatically diagnoses the residual current of the battery, such as LED, emergency light to be displayed as red LED when 50% charge.

Images