JP2006040705A - Lighting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting system which is reduced in the number of blinking of the lamp due to excess check-outs is reduced to lower the influence to the lifetime of the lamp. <P>SOLUTION: The system comprises a secondary battery 2 for supplying electricity to a lamp 1, a charging part 4 for charging the secondary battery 2 with electricity supplied from an external common power supply 3, a switch Q which supplies electricity from the secondary battery to the lamp in emergency, a lighting circuit 5 for lighting the lamp 1, a charge detector 6 for detecting whether it is charged or not, a voltage detector 7 for detecting voltage of the secondary battery 2, a determination part 8 for inspecting the secondary battery 2, and a controlling part 10 including a communication part 9 for communicating with a controller 12. The controller 12 schedules a cycle of regular inspection/daily inspection on the basis of result of the initial inspection in the lighting system having a regular inspection mode, in which both of inspection time and an inspection cycle are long, and a daily inspection mode, in which inspection time and an inspection cycle are shorter than the regular inspection mode. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an emergency lighting system for lighting a lamp with an emergency power source such as a secondary battery when a normal power source such as a guide light or an emergency light fails, and particularly has an inspection function. It is about.

  Inspection of guide lights and emergency lights is obligated by the Fire and Disaster Management Agency Notification, Building Standards Law, etc., but in regulations, guide lights are effective for 20 or 60 minutes, and emergency lights are used for 30 minutes. Must be lit at the emergency. Therefore, in order to keep the light on for a long time in this way, the inspector usually hangs a weight on the pulling wheel of the inspection switch to check whether the lamp can be effectively lit in the specified time. It was a very time-consuming work.

In view of this, in order to save labor in the inspection work, methods for automating the inspection work are disclosed in Japanese Patent Application Laid-Open Nos. 2004-119151 and 2004-111347. The lighting systems disclosed in these publications have a communication unit that can receive an external signal and transmit the status of a lamp and an emergency power supply, and are connected to each other via the communication unit. An automatic inspection system includes a plurality of automatic inspection devices that have built a network, and a control monitoring panel that is installed in the network and has a function of controlling and monitoring each automatic inspection device. In this automatic inspection system, regular inspections (eg, once every three months) that are required by the Fire and Disaster Management Agency notification and the Building Standards Law, and abnormalities in secondary batteries due to increased internal resistance, etc. Inspection that discharges the secondary battery for a short time (about 1 minute) in a relatively short cycle (for example, once a week) for early detection (hereinafter referred to as “daily inspection”). ), And the timing at which the inspection command is transmitted is schedule-managed by the control monitoring board.
JP 2004-119151 A JP 2004-111347 A

  In the lighting systems disclosed in Japanese Patent Application Laid-Open Nos. 2004-119151 and 2004-111347, periodic inspections and daily inspections are performed according to a predetermined schedule, so the performance of the secondary battery is good or bad. Regardless, the inspection was carried out at the same cycle. That is, excessive inspection is performed for a secondary battery with good performance.

  Lamps that are vulnerable to flashing, such as incandescent lamps and fluorescent lamps (hot cathode lamps) that have a pair of filaments, will affect lamp life if flashing is repeated for inspection. However, if the discharge is not performed, the lifetime of the secondary battery cannot be found early.

  Therefore, an object of the present invention is to provide an illumination system that reduces the number of times the lamp blinks due to extra inspection and reduces the influence on the lamp life.

  In the lighting system of the present invention, in order to solve the above-described problem, as shown in FIG. 1, the secondary battery 2 that supplies power to the lamp 1 and the external power source 3 that receives power supply 2 Charging unit 4 that charges secondary battery 2, switch Q that supplies power from secondary battery 2 to lamp 1 in an emergency, lighting circuit unit 5 that lights lamp 1, and charging that detects whether charging is performed Detection unit 6, voltage detection unit 7 that detects the voltage of the secondary battery 2, judgment unit 8 that forcibly turns on the lamp 1 by the switch Q / lighting circuit unit 5 and inspects the secondary battery 2, A lighting device 11 including a control unit 10 including a communication unit 9 for communication between the lighting device 11 and a control device 12 that exchanges data with the lighting device 11. The control device 12 includes: Regular inspection mode with long inspection time and long inspection cycle In addition, in the lighting system having a daily inspection mode with a shorter inspection time and shorter inspection cycle than the periodic inspection mode, the periodic inspection / daily inspection cycle is scheduled based on the discharge result of the initial inspection. Is.

In the invention of claim 1, since the schedule of the periodic inspection and daily inspection is created by judging the performance of the secondary battery by the initial inspection, the secondary battery having good discharge performance has a cycle of the periodic inspection and daily inspection. Because it is set longer, by reducing the number of extra periodic inspections and daily inspections, it is possible to prevent early lamp life deterioration, and for secondary batteries with poor discharge performance, set the periodic inspection and daily inspection cycles shorter. Therefore, battery abnormalities can be detected early.
In the invention of claim 2, since a daily inspection schedule is created for each periodic inspection, when the potential difference of the discharge result is large, the number of times the lamp blinks is reduced by reducing the number of daily inspections having a relatively short cycle. When the potential difference is small, the battery abnormality can be detected early by increasing the number of daily inspections.

In the invention of claim 3, compared with the invention of claim 2, by changing the periodic inspection cycle, when the potential difference of the discharge result is large, the number of times the lamp blinks can be reduced by reducing the number of inspections. If the potential difference is small, the battery abnormality can be detected early by increasing the number of inspections.
In the invention of claim 6, by performing the inspection process of the secondary battery with the pseudo lamp, the number of times the lamp blinks by the inspection can be reduced to 0, and the lamp life can be prevented from being deteriorated. In addition, lamps that should only be lit in an emergency turn on suddenly during inspection, or equipment that shares a light source for emergency use with a low illuminance during emergency use becomes dark due to inspection operations. The problem of giving the person a sense of incongruity can be solved by performing an inspection using a pseudo lamp.

(Embodiment 1)
As shown in FIG. 1, the illumination system of the present embodiment is supplied from a lamp 1 composed of an incandescent lamp, a discharge lamp, etc., a secondary battery 2 serving as an emergency power source, and a regular power source (commercial power source AC) 3. A charging unit 4 that charges the secondary battery 2 with electric power, a lighting circuit unit 5 that lights the lamp 1 by power supply from the secondary battery 2, and a power supply path from the secondary battery 2 to the lighting circuit unit 5 are opened and closed. A switch element Q and a control unit 10 that detects a power failure or power recovery of the commercial power supply AC to turn on or off the switch element Q and detect an abnormality such as the secondary battery 2 or the lamp 1 are always provided. The secondary battery 2 is charged by receiving power supply from the AC, and the lamp 1, which is an emergency light, is turned on by supplying power from the secondary battery 2 when the commercial power supply AC fails.

  When power is supplied from the commercial power supply AC (always), the secondary battery 2 is charged by the charging unit 4 and the switch element Q is turned off by the control unit 10 to turn off the lamp 1. When the power supply from the commercial power supply AC is stopped due to a power failure (emergency), the charge detection unit 6 no longer detects the charging current, and the control unit 10 turns on the switch element Q. Thus, power can be supplied from the secondary battery 2 to the lighting circuit unit 5 to light the lamp 1. When the power supply from the commercial power supply AC is resumed due to the power recovery, the power detection is detected by the charge detection unit 6 detecting the power recovery, and the switch element Q is turned off by the control unit 10 and 2 The power supply from the secondary battery 2 to the lighting circuit unit 5 is stopped and the lamp 1 is turned off.

  The control unit 10 includes a microcomputer having a timer function as a main component, and includes a charge detection unit 6 that detects the presence or absence of a charging current flowing from the charging unit 4 to the secondary battery 2, and a voltage of the secondary battery 2 (hereinafter, “ A voltage detector 7 for detecting the battery voltage), a determination unit 8 for determining an abnormality of the secondary battery 2 from the detection results of the detection units 6 and 7, and a communication unit for communicating with the external control device 12. 9.

  The communication unit 9 is assigned a unique address set at the time of construction of the lighting system, and can transmit and receive data to and from the external control device 12. The control device 12 includes a communication unit that exchanges data with the communication unit 9 of the lighting device 11, a control unit that includes a microcomputer, and a non-volatile memory that includes an EEPROM. Since such a control device 12 can be realized by a conventionally well-known technique, illustration and description of a detailed configuration are omitted. A plurality of lighting devices 11 are connected to one control device 12 by any wiring such as bus wiring, cascade wiring, loop wiring, star wiring, or wireless.

  In the present embodiment, the control device 12 designates a unique address of each lighting device 11 and sequentially transmits command data for starting inspection. In the lighting device 11 that has received this command data, the control unit 10 is the communication unit 9. The received command data is interpreted to start the inspection process, the switch element Q is turned on, the lamp 1 is turned on by supplying power from the secondary battery 2, and each lighting device 11 is instructed by a command from the control device 12. Check. In each lighting device 11, the determination unit 8 determines whether there is an abnormality in the secondary battery 2 and transmits the result to the control device 12. Therefore, the person who performs the inspection work can grasp the inspection result of each lighting device 11 by the control device 12 without going to the installation place of each lighting device 11 and performing the inspection, thereby saving labor of the inspection work. Is.

  The feature of this embodiment is that the secondary battery is fully charged immediately after system installation and then discharged for a specified time, and a periodic inspection is performed according to the potential difference between the voltage of the secondary battery and the discharge reference voltage when the specified time elapses. • Schedule daily inspection cycles.

  The operation of this embodiment will be described with reference to the flowchart of FIG. An initial inspection command signal is sent from the control device 12 to the control unit 10 immediately after the secondary battery 2 is fully charged immediately after the system is installed. Whether or not the battery is fully charged is detected by the charge detection unit 6 of the control unit 10 and the charge time of the secondary battery 2 is counted. If it has passed 48 hours with emergency light, it is determined that the battery is fully charged.

  Upon receiving the initial inspection command, the control unit 10 turns on the switch element Q to cause the lamp 1 to be lit by power supply from the secondary battery 2 and start the inspection process. When the charging unit 4 is a switching power supply, it is preferable to control the charging current to be stopped by a command from the control unit 10 during inspection of the secondary battery 2. When the inspection is started, the voltage of the secondary battery 2 is monitored by the voltage detection unit 7 of the control unit 10, and if the voltage becomes equal to or lower than the discharge reference voltage, it is determined that the battery is abnormal. When a specified time (for example, 20 minutes for an induction lamp and 60 minutes for an emergency light) has elapsed without being below the discharge reference voltage, the voltage of the secondary battery 2 at that time and a predetermined threshold voltage (for example, discharge) The potential difference from the reference voltage is calculated by the determination unit 8 and the result is sent to the control device 12 via the communication unit 9. Based on the result sent by the control device 12, as shown in FIG. 3, when the potential difference between the battery voltage after the lapse of the specified discharge time and the discharge reference voltage is large, the periodic inspection / daily inspection cycle is set longer. To do. For example, a regular inspection is performed once every six months and a daily inspection is performed once a month. Also, as shown in FIG. 4, when the potential difference between the battery voltage after the specified discharge time has elapsed and the discharge reference voltage is small, the periodic inspection / daily inspection cycle is set short. For example, regular inspection is performed once every two months, and daily inspection is performed once a week.

  In this way, as shown in FIG. 5, a schedule for periodic inspection and daily inspection is created. Thereafter, regular inspections and daily inspections are performed according to periodic inspection commands and daily inspection commands sent from the control device 12 in accordance with the created schedule. For example, if the periodic inspection is once every six months and the daily inspection is once a month, the number of inspections is 12 times in one year, and the number of blinks can be reduced. For example, if the periodic inspection is performed once every two months and the daily inspection is performed once a week, the total number of inspections is 48 times in one year, so that abnormalities can be detected early.

  Thus, in this embodiment, as shown in FIG. 3 and FIG. 4, by determining the performance of the secondary battery through the initial inspection, a schedule for periodic inspection and daily inspection is created as shown in FIG. 5. Rechargeable batteries with good discharge performance can prevent premature lamp life deterioration by reducing the number of extra periodic inspections and daily inspections by setting a longer period for periodic inspections and daily inspections. Rechargeable batteries with poor performance can find battery abnormalities early by setting the periodic inspection and daily inspection cycles short.

(Embodiment 2)
The configuration of the present embodiment is the same as that of the first embodiment shown in FIG. The feature of this embodiment is that every time inspection by discharge is performed by periodic inspection, the period of daily inspection is scheduled according to the potential difference between the voltage of the secondary battery and the discharge reference voltage when the specified time elapses.

  The operation of this embodiment will be described with reference to the flowchart of FIG. When a periodic inspection command signal is sent from the control device 12 to the control unit 10, it is confirmed by the charge detection unit 6 of the control unit 10 after confirming that the control unit 10 is fully charged. The presence or absence of a charging current is detected, the charging time of the secondary battery 2 is counted, and if the charging time has passed a predetermined time, it is determined that the battery is fully charged.) The lamp 1 is lit in an emergency by supplying power, and the inspection process is started.

  When the inspection is started, the voltage of the secondary battery 2 is monitored by the voltage detection unit 7 of the control unit 10, and if the voltage becomes equal to or lower than the discharge reference voltage, it is determined that the battery is abnormal. When the specified time elapses in a state where the voltage is not lower than the discharge reference voltage, the potential difference between the voltage of the secondary battery 2 and a predetermined threshold voltage at that time is calculated by the determination unit 8, and the result is transmitted to the communication unit 9. To the control device 12 via Based on the result sent to the control device 12, as shown in FIG. 3, when the potential difference between the battery voltage after the lapse of the specified discharge time and the discharge reference voltage is large, the period of the daily inspection is set longer. For example, the daily inspection is performed once a month. Also, as shown in FIG. 4, when the potential difference between the battery voltage after the lapse of the specified discharge time and the discharge reference voltage is small, the daily inspection cycle is set short. For example, daily inspection is performed once a week.

  In this way, as shown in FIG. 7, a schedule for daily inspection (until the next periodic inspection) is created for each periodic inspection. After that, in accordance with the created schedule, the daily inspection is performed by the daily inspection instruction from the control device.When the time for the periodic inspection comes again, the daily inspection schedule is set again according to the discharge result of the periodic inspection at that time. Recreate it.

As described above, in this embodiment, a schedule for daily inspection is created for each periodic inspection. Therefore, when the potential difference in the discharge results is large, the number of times the lamp blinks can be reduced by reducing the number of daily inspections. When the battery is small, battery abnormalities can be detected early by increasing the number of daily inspections.
(Embodiment 3)

  The configuration of the present embodiment is the same as that of the first embodiment shown in FIG. The feature of this embodiment is that every time a periodic inspection is performed by discharge, the period of daily inspection and the period until the next periodic inspection are determined according to the potential difference between the voltage of the secondary battery and the discharge reference voltage when the specified time elapses. Scheduling the period.

  The operation of this embodiment will be described with reference to the flowchart of FIG. Since the discharge operation by the periodic inspection is the same as that of the second embodiment, a duplicate description is omitted. As shown in FIG. 3, when the potential difference between the voltage of the secondary battery and the predetermined threshold voltage when the specified time elapses is large, the period of the daily inspection and the period until the next periodic inspection are set longer. For example, regular inspections are performed once every six months, and daily inspections are performed once a month. In addition, as shown in FIG. 4, when the potential difference between the voltage of the secondary battery and the predetermined threshold voltage when the specified time elapses is small, the daily inspection cycle and the cycle until the next periodic inspection are set short. To do. For example, regular inspections are performed once every two months, and daily inspections are performed once a week.

  In this way, as shown in FIG. 9, a schedule for daily inspection and periodical inspection (until the next periodic inspection) is created for each periodic inspection. After that, in accordance with the created schedule, daily inspection is performed by the daily inspection instruction from the control device, and when the periodic inspection cycle comes again, the periodic inspection cycle is again determined by the result of the discharge by the periodic inspection at that time. Create a schedule until the next periodic inspection.

  As described above, in this embodiment, by changing the periodic inspection cycle as compared with the second embodiment, when the potential difference of the discharge result is large, the number of lamp blinks can be reduced by reducing the number of inspections. When the potential difference is small, battery abnormality can be detected early by increasing the number of inspections.

  In the first to third embodiments, the schedule is created based on the potential difference between the voltage of the secondary battery and the predetermined threshold voltage at the time when the specified time has elapsed due to the discharge by inspection, but the voltage of the secondary battery is discharged. A schedule may be created according to the time difference between the discharge time and the specified time when the reference voltage is reached.

  This will be described with reference to FIGS. FIG. 10 shows a case where there is a margin in the time difference between the discharge time and the specified time when the voltage of the secondary battery reaches the discharge reference voltage, and corresponds to FIG. 3 with good discharge performance. By reducing the number of inspections, the number of times the lamp blinks can be reduced. FIG. 11 shows a case where there is no allowance for the time difference between the discharge time and the specified time when the voltage of the secondary battery reaches the discharge reference voltage, and corresponds to FIG. 4 where the discharge performance is poor. Therefore, battery abnormality can be detected early by increasing the number of inspections.

  In the first to third embodiments, as in the configuration example illustrated in FIG. 1, the lighting device that always turns off the lamp and turns on the lamp in an emergency is illustrated. However, as illustrated in FIG. You may comprise as an emergency light of the type which lights a lamp in the case of an emergency, or a guide light.

  That is, as shown in FIG. 12, the output of the regular power source 3 is input not only to the charging unit 4 but also to the lighting circuit unit 5, and the lamp 1 is lit by supplying power from the commercial power source AC at all times, and is controlled in an emergency. The switch element Q is turned on by the unit 10 to turn on the lamp 1 by supplying power from the secondary battery 2.

(Embodiment 4)
As shown in FIG. 13, the illumination system according to the present embodiment includes a pseudo lamp 13 that discharges instead of the lamp 1 at the time of inspection, and a changeover switch 14 that switches between the lamp 1 and the pseudo lamp 13. The pseudo lamp 13 includes a resistor having a resistance value corresponding to the lamp 1, for example. Other configurations and operations are the same as those in the first embodiment, and thus redundant description is omitted.

  In the present embodiment, discharge at the time of inspection is performed using the pseudo lamp 13 instead of the lamp 1. When an inspection command signal is sent from the control device 12 to the control unit 10, after confirming that the control unit 10 is fully charged, the changeover switch 14 is switched to the pseudo lamp 13 side and the switch element Q is turned on. The pseudo lamp 13 is energized by the power supply from the secondary battery 2, and the inspection process is started. At the time of a power failure, the changeover switch 14 is switched to the lamp 1 side, the switch element Q is turned on, and the lamp 1 is lit in an emergency by supplying power from the secondary battery 2.

  As described above, in the present embodiment, by performing the inspection process of the secondary battery with the pseudo lamp, the number of times the lamp blinks by the inspection can be reduced to 0, and the lamp life can be prevented from being deteriorated. In addition, a lamp that should only be lit in an emergency turns on suddenly during inspection, or an appliance that shares a light source for emergency use with a low emergency illuminance becomes dark due to inspection operations, etc. The problem of giving the user a sense of incongruity can be solved by performing an inspection using a pseudo lamp.

It is a block diagram of the illumination system of Embodiment 1. 3 is a flowchart showing the operation of the first embodiment. It is explanatory drawing which shows the case where there is a margin in discharge voltage. It is explanatory drawing which shows the case where there is no margin in discharge voltage. It is explanatory drawing which shows the inspection schedule of Embodiment 1. FIG. 10 is a flowchart illustrating the operation of the second embodiment. It is explanatory drawing which shows the inspection schedule of Embodiment 2. 10 is a flowchart showing the operation of the third embodiment. It is explanatory drawing which shows the inspection schedule of Embodiment 3. It is explanatory drawing which shows the case where there is allowance in discharge time. It is explanatory drawing which shows the case where there is no allowance in discharge time. It is a block diagram which shows another structural example of an illuminating device. It is a block diagram of the illumination system of Embodiment 4.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lamp 2 Secondary battery 3 Common power supply 4 Charging part 5 Lighting circuit part 6 Charging detection part 7 Voltage detection part 8 Judgment part 9 Communication part 10 Control part 11 Illuminating device 12 Control apparatus

Claims (6)

A secondary battery that supplies power to the lamp, a charging unit that receives power from an external utility power source and charges the secondary battery, a switch that supplies power from the secondary battery to the lamp in an emergency, and a lamp that is lit Check the secondary battery by forcibly lighting the lamp by the lighting circuit unit, the charge detection unit that detects whether the battery is charged, the voltage detection unit that detects the voltage of the secondary battery, and the switch / lighting circuit unit The lighting device includes a determination unit and a control unit including a communication unit for communicating with the outside, and a control device that exchanges data with the lighting device. In addition to the periodic inspection mode with a long inspection time and a long inspection cycle, in the lighting system having a daily inspection mode with a shorter inspection time and a shorter inspection cycle than the periodic inspection mode, based on the discharge result of the initial inspection, Lighting system characterized in that scheduling period of the year inspection and daily inspection. The lighting system according to claim 1, wherein a period of daily inspection is scheduled based on a discharge result in the periodic inspection. The lighting system according to claim 1, wherein a period between a daily inspection and a next periodic inspection is scheduled based on a discharge result in the periodic inspection. The lighting system according to any one of claims 1 to 3, wherein an inspection cycle is scheduled in accordance with a potential difference between a battery voltage after a specified time and a predetermined threshold voltage in a discharge in an initial inspection or a periodic inspection. A lighting system characterized by that. The lighting system according to any one of claims 1 to 3, wherein an inspection cycle is scheduled according to a time difference between a discharge time and a specified time until a predetermined threshold voltage is reached during discharge in initial inspection or periodic inspection. The lighting system characterized by doing. The lighting system according to any one of claims 1 to 5, comprising a pseudo lamp that discharges instead of the lamp at the time of inspection, and a changeover switch that switches power supply from the lamp to the pseudo lamp at the time of inspection. An illumination system for discharging a secondary battery.

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