WO2014061214A1 - 停電検出方法、停電検出器、照明装置、及び電源装置 - Google Patents
停電検出方法、停電検出器、照明装置、及び電源装置 Download PDFInfo
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- WO2014061214A1 WO2014061214A1 PCT/JP2013/005845 JP2013005845W WO2014061214A1 WO 2014061214 A1 WO2014061214 A1 WO 2014061214A1 JP 2013005845 W JP2013005845 W JP 2013005845W WO 2014061214 A1 WO2014061214 A1 WO 2014061214A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
- G01R19/1658—AC voltage or recurrent signals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/14—Controlling the light source in response to determined parameters by determining electrical parameters of the light source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
Definitions
- the present invention relates to a power failure detection method for detecting a power failure state, a power failure detector, a lighting device that can operate even during a power failure, and a power supply device.
- the power failure detection technique is to detect whether there is a power failure by connecting an impedance element in parallel to the power switch of the lighting apparatus and grasping the voltage value or current value via the impedance element.
- the lighting can be turned on and off by a wall switch at the time of a power failure, and can be turned on at the time of a power failure regardless of the state of the wall switch.
- the purpose could not be realized because the wall switch was lit only when the wall switch was lit in the event of a power failure.
- Patent Document 4 there is a method described in Patent Document 4 as a power failure detection method that does not require an impedance element to be connected in parallel to the switch. This detection method detects whether there is a power failure by detecting the impedance between commercial power lines.
- JP-A-54-069736 Japanese Patent No. 4776609 JP 2012-28292 A Japanese Patent Application Laid-Open No. 08-264010
- the problem to be solved is that it can be lit regardless of the state of the switch on the wall at the time of a power failure, but the construction of the indoor wiring is required and the burden is heavy.
- the present invention provides a non-grounded side in which the wiring on the ground side of the indoor wiring and the power switch of the electrical equipment are interposed.
- a feature of the power failure detection method is to detect a power failure by monitoring at least one of weak voltages generated by induction and comparing the detected voltage with a detected voltage state.
- At least one of the weak voltages generated by the line capacitance induction and the line electromagnetic induction of the non-ground side wiring provided with a power switch and the ground side wiring of the indoor wiring is supplied to the power source during a power failure.
- a reference voltage storage unit that detects when the switch is OFF and stores it as a reference voltage state, and monitors at least one of weak voltages generated by the line capacitance induction and the line electromagnetic induction and detects it as a monitoring voltage state
- the power failure detector includes a monitoring voltage detection unit and a power failure determination unit that determines a power failure by comparing the reference voltage state and the monitoring voltage state.
- the present invention is an illumination device using the power failure detector, comprising the reference voltage storage unit, the monitoring voltage detection unit, and the power failure determination unit, an input connection unit that can be connected to and disconnected from the indoor wiring, A storage battery that is charged when connected to the indoor wiring via the input connection section; a lamp that is lit by receiving power from either the power supply path from the input connection section or the power supply path from the storage battery; and the power failure
- the determination unit determines that a power failure has occurred, power is supplied to the lamp through the power supply path from the input connection unit, and when the power failure determination unit determines that a power failure occurs, the power supply route from the storage battery
- the illumination device is characterized by including a power supply switching unit that switches so as to supply power to the lamp.
- the present invention is a power supply device using the power failure detector, comprising the reference voltage storage unit, the monitoring voltage detection unit, and the power failure determination unit, an input connection unit that can be connected to and disconnected from the indoor wiring, A storage battery that is charged at the time of connection to the indoor wiring via the input connection part, an output connection part that receives and outputs power from either the power supply path from the input connection part or the power supply path from the storage battery, and When the power failure determination unit determines that the power failure has occurred, the power connection path from the input connection unit outputs from the output connection unit, and when the power failure determination unit determines that the power failure has occurred, from the storage battery.
- the power supply device is characterized by including a power supply switching unit that switches to output from the output connection unit through a power supply path.
- the power failure detection method of the present invention has the above configuration, a power failure is detected by comparing the reference voltage state and the monitoring voltage state due to at least one of weak voltages generated by the line capacitance induction and the line electromagnetic induction. Therefore, it is possible to detect the power failure regardless of the state of the power switch without requiring the construction of the indoor wiring.
- the power failure detector of the present invention can determine a power failure by comparing the reference voltage state of the reference voltage storage unit and the monitoring voltage state of the monitoring voltage detection unit.
- the lighting device of the present invention can determine a power outage by comparing the reference voltage state of the reference voltage storage unit and the monitoring voltage state of the monitoring voltage detection unit by the power failure detector.
- the power failure determination unit determines that the power failure has occurred
- power is supplied to the lamp through the power supply path from the input connection unit.
- the power failure determination unit determines that the power failure has occurred
- power is supplied to the lamp through the power supply route from the storage battery.
- the power failure determination unit determines that a power failure has occurred, the power is output from the output connection unit via the power supply path from the input connection unit.
- the power supply switching unit By switching by the power supply switching unit so as to output from the unit, it is possible to supply power from the output connection unit regardless of the state of the power switch at the time of a power failure, and to turn on the lamp connected to the output connection unit.
- Example 1 It is a block diagram of the state which connected the power failure detector to indoor wiring.
- Example 1 It is a principle explanatory view of line electromagnetic induction.
- Example 1 It is a principle explanatory view of capacity induction between lines.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is a waveform showing a ground side voltage, and (C) is a waveform showing a line voltage.
- Example 1 It is a block diagram of a power failure detector.
- Example 1 It is a block diagram of an illuminating device.
- Example 2 It is a block diagram of a power supply device.
- Example 3 It is a block diagram of a power supply device.
- Example 4 An example of a waveform of a power failure detector is shown, (A) is a block diagram showing a state of a wall switch or the like, (B) is
- a reference voltage storage unit 29 for detecting at least one of weak voltages generated by the line capacitance induction and the line electromagnetic induction of the L wiring 5 in the OFF state of the wall switch 19 at the time of a power failure and storing it as a reference voltage state;
- the monitoring voltage detection unit 29 that monitors at least one of the weak voltages generated by the line capacitance induction and the line electromagnetic induction and detects it as a monitoring voltage state, and compares the reference voltage state with the monitoring voltage state, thereby preventing a power failure. This is realized by including a power failure judgment unit 29 for judging.
- FIG. 1 is a block diagram of a state in which a power failure detector is connected to indoor wiring.
- Wirings 3 and 5 from the pole transformer 1 pass through the main breaker 9 and the individual breakers 11a, 11b,... Of the switchboard 7 and are connected to the outlet 13 and the power failure detector 15 on the lighting device side.
- an electrical device 17 is connected to the outlet 13.
- a wall switch 19 which is a power switch for illumination is provided.
- AC100V is supplied from the pole transformer 1 and the main breaker 9 and the individual breakers 11a, 11b,... Are not cut off. Can be turned off.
- the lighting device is turned on by the battery power regardless of whether the wall switch 19 is turned on or off.
- the indoor wiring from the switchboard 7 to the lighting device uses a cable in which a plurality of insulated wires such as a VVF cable are combined into one.
- a power failure is detected by detecting line-to-line electromagnetic induction and capacitance between lines.
- This feature makes it possible to determine a power failure without requiring indoor wiring work or the like, regardless of whether the wall switch 19 is on or off.
- FIG. 2 is a diagram for explaining the principle of electromagnetic induction between lines.
- FIG. 3 is a diagram for explaining the principle of line capacitance induction.
- V2 V ⁇ (C2G / C12 + C2G) Note that, in principle, the value of V is 0V at the time of a power failure, so the value of V2 is 0V.
- the capacitance between lines is a capacitance generated between two lines, and is a small capacitance of about 50 pF to 200 pF at a length of 1 m in a normal VVF cable.
- Each wiring has a capacitance with a structure such as a building as a part of the ground.
- a weak voltage V ⁇ b> 2 is generated between the wiring 5 on the non-ground side L and the wiring 3 on the ground side N separated by the wall switch 19.
- a power failure is detected by measuring a weak voltage generated in the wiring 3 on the ground side N by the above-described line magnetic induction or line capacitance induction.
- FIGS. 4 to 9 show examples of waveforms of the power failure detector, each (A) is a block diagram showing the state of a wall switch and the like, each (B) is a waveform showing the ground side voltage, and each (C) is It is a waveform which shows a line voltage.
- FIG. 4A shows a normal light-off state when the wall switch 19 is OFF
- FIG. 5A shows a state where the individual breaker 11a is disconnected and the wall switch 19 is OFF
- FIG. 6A shows an individual breaker 11a.
- FIG. 7A shows a state where the main breaker 9 is cut off and the wall switch 19 is turned off
- FIG. 8A shows a state where the main breaker 9 is cut off and the wall switch 19 is turned on.
- FIG. 9A shows a state where the pole transformer 1 is cut.
- the ground side voltage V1 is in the waveform state of FIGS. 4 to 8B.
- the line voltage V2 is in the waveform state of FIGS. 4 to 8C.
- the voltages V1 and V2 of FIG. 4 are stored as reference voltage states, and then the voltages V1 and V2 are monitored and monitored as shown in FIGS. Detect as voltage state.
- a power failure is detected by comparing the reference voltage state with the monitoring voltage state. For example, it is determined that a power failure occurs when either the monitored ground side voltage V1 or line voltage V2 is less than half the reference voltage when the wall switch 19 is OFF.
- the measured voltage value varies depending on the actual length of the indoor wiring and the connected electrical equipment, so it depends on the stored voltage value in the off state at the time of power failure and the fluctuation range of the measured voltage. It is possible to add a function for automatically correcting and adjusting a threshold value for distinguishing between a light-off state at the time of a power failure and a power failure.
- the function is to store the voltage value waveform at the time of power failure as the reference voltage state, set the voltage waveform measured by monitoring to the monitoring voltage state, and determine the power failure based on the degree of difference between both waveforms Functions can be added.
- FIG. 10 is a block diagram of the power failure detector.
- the power failure detector 15 for realizing the power failure detection method according to the embodiment of the present invention includes input terminal portions 21 and 23, a line voltage amplifier circuit 25, a ground side voltage amplifier circuit 27, and an electronic control circuit 29.
- the input terminal section 21 is connected to the AC 100V ground side N wiring 3 (FIG. 1), and the input terminal section 23 is connected to the AC 100V non-ground side L wiring 5 (FIG. 1).
- the input terminal parts 21 and 23 are connected to the resistor which restrict
- the line voltage amplifier circuit 25 receives inputs of the ground side N and the non-ground side L, amplifies the voltage difference V 2 between the ground side N wiring 3 and the ground side L wiring 5, and inputs the amplified voltage difference V 2 to the electronic control circuit 29. To do.
- the ground side voltage amplification circuit 27 receives the input of the ground side N, amplifies the voltage difference V1 between the GND of the detector 15 corresponding to the virtual ground and the ground side N, and inputs the amplified voltage difference V1 to the electronic control circuit 29.
- the electronic control circuit 29 includes a CPU, a memory, and the like, and includes A / D converter input terminal portions 31 and 33 and an output terminal portion 35.
- the A / D converter input terminal units 31 and 33 receive outputs from the line voltage amplifier circuit 25 and the ground side voltage amplifier circuit 27.
- the CPU constitutes a monitoring voltage detection unit and a power failure determination unit.
- a monitoring voltage detection unit at least one of weak voltages generated by line capacitance induction and line electromagnetic induction is monitored.
- the input from the line voltage amplifier circuit 25 is monitored as a voltage generated by line capacitance induction
- the input from the ground side voltage amplifier circuit 27 is monitored as a voltage generated by line electromagnetic induction. Yes.
- CPU as a power failure determination unit, determines a power failure by comparing the reference voltage state and the monitoring voltage state.
- the reference voltage state is a weak voltage generated by the line capacitance induction and the line electromagnetic induction on the ground side N of the indoor wiring and the non-ground side L provided with a power switch as a reference voltage storage unit. At least one of them is detected and stored in the OFF state of the power switch at the time of a power failure.
- the input from the line voltage amplifier circuit 25 is detected and stored in the OFF state of the wall switch 19, and the input from the ground side voltage amplifier circuit 27 is detected to determine the reference voltages V2 and V1.
- the monitoring voltage state is a monitoring voltage that is monitored as described above after the reference voltage state is stored and is input from the line voltage amplification circuit 25 and the ground side voltage amplification circuit 27.
- the CPU reads the reference voltage, compares the reference voltage with the detected monitoring voltage, and determines a power failure. This determination is made as a power failure when the monitoring voltage is lower than the reference voltage, as shown in FIGS. The determined result is output from the output terminal 35 as a power failure signal.
- the CPU can remove noise from the waveforms input from the A / D converter input terminal portions 31 and 33 using a 50 Hz or 60 Hz filter, and calculates the amplitude, average value, etc. from the waveform from which the noise has been removed. Can do.
- the power failure detector 15 having such a configuration is connected to the ground side N and the ungrounded side L of AC100V in order to detect a power failure.
- the voltage V2 is amplified by the line voltage amplifying circuit 25 and inputted to the electronic control circuit 29 from the A / D converter input terminal unit 31, and the voltage difference V1 is amplified by the ground side voltage amplifying circuit 27, and the A / D converter input terminal Input from the unit 33 to the electronic control circuit 29.
- noise is removed from the waveform input to the CPU by a 50 Hz or 60 Hz filter.
- ⁇ Determine the amplitude and average value from the waveform from which noise has been removed.
- Measured values vary depending on the actual length of indoor wiring and connected electrical equipment, so measure the voltage value in the off state at the time of a power failure and save it in memory as a reference voltage.
- the CPU stores the weak reference voltage value detected at the time of power failure by the wall switch 19 and the magnitude of the stored reference voltage value and the monitored voltage value detected by monitoring. Comparing the detected voltage value with the reference voltage value, and if a voltage value that is weaker than the set threshold value is detected, it is determined that there is a power failure, and an arithmetic process for outputting an arbitrary signal to the subsequent circuit, and It is only necessary that the control process can be executed.
- the CPU can be added with a function for automatically correcting and adjusting a threshold value for distinguishing between a light-off state at the time of a power failure and a power failure.
- FIG. 11 is a block diagram of a lighting device according to the second embodiment.
- the lighting device of FIG. 11 was an LED lighting fixture 37 using the power failure detector of Example 1.
- the LED lighting device 37 includes a high sensitivity amplifier 39 and an integration circuit 41 as a configuration corresponding to the power failure detector 15 of the first embodiment.
- the high sensitivity amplifier 39 corresponds to the line voltage amplifying circuit 25 and the ground side voltage amplifying circuit 27, and the integrating circuit 41 corresponds to the electronic control circuit 29 constituted by a CPU or the like and functions in the same manner. Therefore, the integration circuit 41 has a configuration including a reference voltage storage unit, a monitoring voltage detection unit, and a power failure determination unit.
- the LED lighting device 37 includes an input connection unit 43, a lithium ion battery 45 as a storage battery, a built-in LED lamp 47 as a lamp, and a switching control circuit 49 as a power supply switching unit.
- the input connection unit 43 is connected to an arbitrary outlet provided indoors so as to be freely connected to and disconnected from the indoor wiring.
- the rechargeable ion battery 45 turns on the built-in LED lamp 47 in the event of a power failure, and is configured to be charged when connected to the indoor wiring via the input connection portion 43. That is, the rechargeable ion battery 45 is charged from the input connection unit 43 via the AC-DC regulator 50 and the battery charge controller 51.
- the built-in LED lamp 47 is configured to receive power from either the power supply path from the input connection unit 43 or the power supply path from the lithium ion battery 45 and is driven by the LED driver 53 to light up.
- power is supplied to the input connection unit 43, the AC-DC regulator 50, the switching control circuit 49, and the LED driver 53.
- the lithium ion battery 45, the switching control circuit 49, and the LED driver 53 are energized.
- the switching control circuit 49 switches the power supply path to the built-in LED lamp 47.
- the switching control circuit 49 switches to supply power to the built-in LED lamp 47 through the power supply path from the input connection unit 43.
- the switching control circuit 49 switches to supply power to the built-in LED lamp 47 through the power supply path from the lithium ion battery 45.
- the LED lighting fixture 37 having such a configuration can be used by being attached to a light bulb socket or a hook ceiling on the ceiling by the input connection portion 43, and does not require any special electrical work.
- the lithium ion battery 45 is charged by the battery charge controller 51 during a power failure.
- the built-in LED lamp 47 can be turned on by the power supply path from the input connection portion 43, and the built-in LED lamp 47 can be controlled to be turned on and off by the wall switch.
- the switching control circuit 49 switches the power feeding path in response to a signal from the integrating circuit 41.
- the built-in LED lamp 47 is automatically turned on by the power supply path from the lithium ion battery 45, and an illuminator with an emergency light function can be realized.
- the LED lighting device 37 itself can be pulled out from the outlet and function as a flashlight.
- the LED lighting device 37 can also be configured as an emergency light that cannot be removed.
- the LED lighting fixture 37 can also adjust the light quantity of the illuminator at the time of a power failure, and lighting time by adjusting the kind and capacity
- any type of input plug 43 shape, size, etc. may be selected. It can be made compatible with various lighting sockets used in ordinary homes and offices.
- a human sensor and illuminance sensor are added to the LED illuminator 37 to automatically turn it on and off, preventing the emergency light function from being used when there are no people or when there is a power outage during bright hours. Functions such as eliminating consumption can also be added. Furthermore, a buzzer for notifying a power failure when a power failure is detected may be added.
- the lamp it can be applied to any illuminator such as an incandescent bulb, a fluorescent lamp, and LED lighting.
- the LED lighting device 37 of the embodiment of the present invention does not require any indoor wiring work, wall switch repair, etc., it is extremely easy and immediate to illuminators widely used in general homes and offices. It is possible to provide a simple and inexpensive illuminator with an emergency light function.
- the time that can be used as an emergency light at the time of a power failure can be adjusted by the power consumption of the lighting fixture, the type of storage battery, the storage capacity, etc. at the time of the power failure.
- FIG. 12 is a block diagram of the power supply apparatus according to the third embodiment.
- the basic configuration is the same as that of the LED lighting fixture 37 of the second embodiment, and the same components are denoted by the same reference numerals, and redundant description is omitted.
- the power supply device 55 includes a high-sensitivity amplifier 39 and an integration circuit 41 as a configuration corresponding to the power failure detector 15 of the first embodiment, similarly to the LED lighting fixture 37 of the second embodiment.
- the power supply device 55 includes an input connection unit 43, a rechargeable ion battery 45 as a storage battery, a switching control circuit 49 as a power supply switching unit, an AC-DC regulator 50, and a battery charge controller 51, and functions similarly.
- the power supply device 55 of this embodiment has an AC power LED lighting fixture 57 externally attached, and the source device 55 is configured to supply power to the AC power LED lighting fixture 57.
- the power supply device 55 includes an outlet 59 for connecting an AC power LED lighting fixture 57, and includes a DC-AC inverter 61 and a relay instead of the LED driver 53 and the built-in LED lamp 47 of the LED lighting fixture 37.
- the output switching circuit 63 is provided.
- AC power is directly output from the outlet 59 through the output switching circuit 63 from the input connection unit 43.
- the output switching circuit 63 is switched in conjunction with the switching control circuit 49 in the event of a power failure, and the lithium ion battery 45, the switching control circuit 49, the DC-AC inverter 61, and the output switching circuit 63.
- AC power is output from the outlet 59 via
- the switching control circuit 49 switches the power feeding path in response to a signal from the integrating circuit 41.
- AC power is output from the outlet 59 through the power supply path from the lithium ion battery 45, and the external AC power LED lighting fixture 57 is automatically turned on to realize an emergency light.
- the power supply device 55 can be pulled out from the outlet and can function as a flashlight together with the AC power LED lighting fixture 57.
- the power supply device 55 can also be configured as an emergency power supply device that cannot be removed.
- the power supply 55 can be pulled out from the outlet and used as a power source other than lighting equipment.
- the power supply device 55 can be easily inserted into an illuminator already used at home or the like by being configured to be inserted between the existing lighting fixture and the hanging ceiling.
- FIG. 13 is a block diagram of a power supply apparatus according to a modification of the third embodiment. Note that the basic configuration is the same as that of the power supply device 55 in FIG. 12, and the same components are denoted by the same reference numerals, and redundant description is omitted.
- a DC power supply LED lighting fixture 57A is used instead of the AC power supply LED lighting fixture 57 of the power supply device 55 of FIG.
- the DC-AC inverter 61 and the output switching circuit 63 in FIG. 12 are replaced with a constant current LED driver 65 as shown in FIG.
- DC power is output from the outlet 59 through the switching control circuit 49 and the constant current LED driver 65 from the input connection unit 43.
- DC power is output from the outlet 59 via the lithium ion battery 45, the switching control circuit 49, and the constant current LED driver 65 during a power failure.
- DC power is output from the outlet 59 through the power supply path from the lithium ion battery 45, and the external DC power LED lighting fixture 57A is automatically turned on to realize an emergency light.
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Abstract
Description
図1は、停電検出器を屋内配線に接続した状態のブロック図である。
図2は、線間電磁誘導の原理説明図である。
図3は、線間容量誘導の原理説明図である。
なお、原則として、停電時にはVの値は0Vとなるため、V2の値は0Vとなる。
停電検出方法として、大地と接地側Nの配線3との間の電圧V1、または壁スイッチ19で切り離された否接地側Lの配線5と接地側Nの配線3との間の電圧V2との両方又は何れか一方の電圧を検出して使用する。
〔停電検出器〕
図10は、停電検出器のブロック図である。
19 壁スイッチ(電源スイッチ)
29 電子制御回路(基準電圧記憶部、監視電圧検出部、停電判断部)
41 積分回路(基準電圧記憶部、監視電圧検出部、停電判断部)
47 内蔵LEDランプ(ランプ)
49 切換制御回路(給電切換部)
L 否接地側
N 接地側
Claims (4)
- 屋内配線の接地側の配線及び電気機器の電源スイッチが介設された否接地側の配線の線間容量誘導と線間電磁誘導とにより発生する微弱な電圧の少なくとも一方を否停電時に前記電源スイッチのOFF状態で検出した基準電圧状態と、前記線間容量誘導と前記線間電磁誘導とにより発生する微弱な電圧の少なくとも一方を監視し検出した監視電圧状態とを比較することにより停電を検出する、
ことを特徴とする停電検出方法。 - 屋内配線の接地側の配線及び電源スイッチが介設された否接地側の配線の線間容量誘導と線間電磁誘導とにより発生する微弱な電圧の少なくとも一方を否停電時に前記電源スイッチのOFF状態で検出して基準電圧状態として記憶する基準電圧記憶部と、
前記線間容量誘導と前記線間電磁誘導とにより発生する微弱な電圧の少なくとも一方を監視し監視電圧状態として検出する監視電圧検出部と、
前記基準電圧状態と監視電圧状態とを比較することにより停電を判断する停電判断部と、
を備えたことを特徴とする停電検出器。 - 請求項2記載の停電検出器を用いた照明装置であって、
前記基準電圧記憶部と前記監視電圧検出部と前記停電判断部とを備え、
前記屋内配線へ接離自在な入力接続部と、
前記入力接続部を介した前記屋内配線への接続時に充電する蓄電池と、
前記入力接続部からの給電経路と前記蓄電池からの給電経路との何れかにより給電を受けて点灯するランプと、
前記停電判断部が否停電時であると判断したときは前記入力接続部からの給電経路により前記ランプへ給電し、前記停電判断部が停電時であると判断したときは前記蓄電池からの給電経路により前記ランプへ給電するように切り替える給電切換部と、
を備えたことを特徴とする照明装置。 - 請求項2記載の停電検出器を用いた電源装置であって、
前記基準電圧記憶部と前記監視電圧検出部と前記停電判断部とを備え、
前記屋内配線へ接離自在な入力接続部と、
前記入力接続部を介した前記屋内配線への接続時に充電する蓄電池と、
前記入力接続部からの給電経路と前記蓄電池からの給電経路との何れかにより給電を受けて出力する出力接続部と、
前記停電判断部が否停電時であると判断したときは前記入力接続部からの給電経路により前記出力接続部から出力し、前記停電判断部が停電時であると判断したときは前記蓄電池からの給電経路により前記出力接続部から出力するように切り替える給電切換部と、
を備えたことを特徴とする電源装置。
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CN201380054647.6A CN104813177A (zh) | 2012-10-18 | 2013-10-01 | 停电检测方法、停电检测器、照明装置以及电源装置 |
EP13846830.1A EP2910957A4 (en) | 2012-10-18 | 2013-10-01 | POWER FAILURE DETECTION METHOD, POWER FAILURE PROBE, LIGHTING DEVICE AND POWER SUPPLY DEVICE |
US14/435,683 US20150288223A1 (en) | 2012-10-18 | 2013-10-01 | Power failure detection method, power failure detector, lighting device, and power supply device |
HK15112012.2A HK1211347A1 (en) | 2012-10-18 | 2015-12-07 | Power failure detection method, power failure detector, lighting device, and power supply device |
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CN114384352A (zh) * | 2021-12-06 | 2022-04-22 | 清华大学 | 基于地线电磁信号的架空线路覆冰监测方法及装置 |
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CN105554959B (zh) * | 2016-02-03 | 2017-09-12 | 申勇兵 | 用于多功能照明装置的智能控制电路 |
DE102016210199A1 (de) * | 2016-06-09 | 2017-12-14 | Zumtobel Lighting Gmbh | Notbeleuchtung mittels intelligentem Batteriemanagement |
US10505390B2 (en) * | 2018-03-05 | 2019-12-10 | Ig Soo Kwon | Power blackout sensing system with a phantom voltage detector including a coupled inductor device |
FR3090113B1 (fr) | 2018-12-14 | 2020-12-04 | Aptiv Tech Ltd | Dispositif et méthode d’auto ajustement d’un seuil électrique de détection de défaut de puissance. |
KR102285609B1 (ko) * | 2019-02-27 | 2021-08-04 | 김창호 | 전등을 적응적으로 제어하기 위한 전자 장치 |
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US20150288223A1 (en) | 2015-10-08 |
JP6048927B2 (ja) | 2016-12-21 |
EP2910957A1 (en) | 2015-08-26 |
CN104813177A (zh) | 2015-07-29 |
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HK1211347A1 (en) | 2016-05-20 |
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