WO2016129738A1 - Appareil et procédé permettant de déterminer l'état d'un stabilisateur double de courant alternatif/courant continu - Google Patents

Appareil et procédé permettant de déterminer l'état d'un stabilisateur double de courant alternatif/courant continu Download PDF

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Publication number
WO2016129738A1
WO2016129738A1 PCT/KR2015/001955 KR2015001955W WO2016129738A1 WO 2016129738 A1 WO2016129738 A1 WO 2016129738A1 KR 2015001955 W KR2015001955 W KR 2015001955W WO 2016129738 A1 WO2016129738 A1 WO 2016129738A1
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WIPO (PCT)
Prior art keywords
state
ballast
power
determining
current
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PCT/KR2015/001955
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English (en)
Korean (ko)
Inventor
유근종
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한국철도공사
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Publication of WO2016129738A1 publication Critical patent/WO2016129738A1/fr

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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/187—Machine fault alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/06—Audible signalling systems; Audible personal calling systems using hydraulic transmission; using pneumatic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc

Definitions

  • the present invention relates to an invention for predicting the life of a ballast that supplies power to an LED lamp.
  • LED Light-Emitting Diode
  • the LED can be driven at low voltage, has a long life, low power consumption, fast response speed and strong impact resistance compared to other lighting devices, and has the advantage of small size and light weight.
  • the output power of the electronic ballast for fluorescent lamp is supplied to the LED lamp driving circuit directly, or the commercial AC power is converted into a power suitable for the LED lamp using a dedicated AC / DC converter to turn on the LED lamp. Can be.
  • FIG. 1 is a block diagram illustrating a conventional switching mode power supply (SMPS) circuit for driving a LED lamp.
  • SMPS switching mode power supply
  • the conventional LED driving SMPS circuit 10 is an overcurrent and overvoltage protection unit 11 consisting of a fuse, a varistor and a line filter to protect the SMPS from the overcurrent and overvoltage of an AC power input to convert an AC voltage into a DC voltage.
  • a power supply unit 13 for converting and outputting a current voltage input through the rectifying unit 12 so as to be supplied to a signal lamp (load) using a bridge diode, a light emitting diode, according to a switching operation such as a transistor, and the like.
  • the control signal generator 14 generating the control signal from the photodiode and the control signal output from the control signal generator 14 are received through the photo transistor to the secondary side of the power supply unit 13.
  • the power factor adjusting unit 16 connected to the primary side of the original supply unit 13 is connected between the rectifying unit 12 and the power supply unit 13 to generate a pulse voltage suppression unit 17 for cutting off the pulse voltage voltage, and generating a control signal.
  • the plurality of resistors connected in series between the unit 14 and the load terminal are connected in parallel and connected in parallel with the first resistor connected between the part which draws the reference voltage output to the control signal generator 14 and the output ground line. It has a configuration including a reference voltage generator 18 including a negative temperature coefficient thermistor.
  • the conventional LED driving SMPS circuit 10 does not include a configuration for diagnosing the life and failure of the ballast by itself, there is a hassle for the user to directly diagnose the replacement cycle and failure of the ballast.
  • ballasts that supply power to LED lamps have a shorter lifespan than LED lamps compared to LED lamps with relatively long lifetimes. If the ballast expires, the ballast must be replaced in a timely manner. If the ballast is not replaced in a timely manner, the LED lamp may not be turned on, and a lighting failure of the lamp may occur. In addition, whether the lighting failure of the LED lamp is due to the end of life of the LED lamp, the failure or the problem of the ballast, it was unclear and there was a hassle to check.
  • the replacement of the ballast at the end of its life is usually performed by the safety manager of the electric facility inside the motor periodically checking the brightness of the LED lamp or blackening after checking the brightness of the ballast. Because of the progress, there was a problem that the work must be handled twice.
  • Figure 2 is a block diagram schematically showing a driving method of a conventional LED lamp of the electric vehicle cabin.
  • the operation principle of the conventional constant current circuit of the basic AC 220V power station is rectified and smoothed the commercial power supply in the rectifying and smoothing unit and supplied to the inductor and the electrolytic capacitor, to improve the power factor at this time
  • a power factor correction circuit and a high frequency conductive EMI filter were also used.
  • the conventional driving method of the LED lamp has a problem of malfunction and frequent failure in use due to the mixed use of DC and AC.
  • the present invention is to provide a ballast that can be used by using a combination of direct current and alternating current.
  • Still another object of the present invention is to inform the user of the state of the ballast through an abnormality diagnosis unit capable of predicting the life of the ballast and diagnosing a failure, to preserve the life of the LED light, and to provide a timely replacement time.
  • the present invention is a device for determining the state of the DC / AC ballast, the device is connected to the power supply for supplying power for driving the LED module, the power supply is supplied with power If the input power supplied is AC power, rectify the AC power with DC power and input it to the LED module.If the supplied input power is DC power, connect the converter part and the converter part to input DC power to the LED module. And an abnormality determining unit for determining the state of the ballast from the power input to the LED module from the converter unit, and a status display unit for receiving a signal for determining the state of the ballast from the abnormality determining unit and displaying the current state of the ballast. have.
  • the abnormality determination unit may further include a temperature sensing module for sensing the temperature of the power input to the LED module from the converter unit and a current sensing module for sensing the current of the power input to the LED module from the converter unit.
  • the abnormality determination unit judges the state of the ballast as a good state
  • the temperature of the power detected by the temperature sensing module is more than 60 ° and less than 70 °
  • the state of the ballast may be determined as a necessary action state
  • the state of the ballast may be determined as a failure state.
  • the abnormality determination unit determines the state of the ballast as a good state, and the peak value of the current detected by the current sensing module during the predetermined time.
  • the state of the ballast is determined as a necessary action state, and if the peak value of the current sensed by the current sensing module more than 20 times, the state of the ballast is determined as a failure state, The state of the DC / AC ballast can be determined.
  • the status display unit may display the state of the ballast through the green light, yellow light and red light.
  • the status display unit lights up the green light in the good state to indicate the state of the ballast, and in the required state of action, lights up the yellow light to indicate the state of the ballast, and in the fault state, lights up the red light to indicate the state of the ballast. Can be.
  • the status display unit may further include a speaker for displaying the state of the ballast through the sound.
  • the warning sound may be generated at a predetermined time interval through the speaker.
  • the converter unit may further include a bridge circuit unit for rectifying the AC power supply to the DC power supply, when the power supplied from the power supply unit is an AC power, and passing the power supply from the power supply unit when the DC power supply.
  • the bridge circuit section includes a noise / surge prevention circuit section that cuts off the frequency of the noise / surge component generated from the current passing through the bridge circuit section, and rectification / converting the AC power source to the DC power source from the bridge circuit section and removing the pulse current from the DC power source.
  • the control circuit unit may further include a smoothing circuit unit, a control circuit unit for supplying power passing through the rectifying / smoothing circuit unit to the inverter circuit unit, an inverter circuit unit for converting DC power into AC power, and a current-limiting circuit unit for adjusting a current of the power source passing through the inverter circuit unit.
  • the present invention provides a method for determining a state of a DC / AC ballast, and the method includes the steps of: receiving power for driving an LED module; After rectifying AC power to DC power, input the LED module, and when the supplied power is DC power, inputting the DC power to the LED module, and determining the state of the ballast from the power input to the LED module. And displaying the current state of the ballast to be determined.
  • the state of the ballast is determined as a good state, and the detected power temperature is 60 ° or more and 70 °. If less than, the state of the ballast may be determined as a necessary action state, and if the detected temperature of the power supply is 70 ° or more, the state of the ballast may be determined as a failure state.
  • the state of the ballast is judged as a good state, and the peak value of the detected current is If more than 10 times and less than 20 times during the predetermined time, the state of the ballast is judged to be necessary action, and if the peak value of the detected current occurs more than 20 times, the state of the ballast can be judged as a fault state. have.
  • the ballast may be displayed through green light, yellow light, and red light.
  • the step of displaying the current state of the ballast to be judged lighting the green light in the good state to indicate the state of the ballast, the yellow light in the necessary state of action to indicate the state of the ballast, red light in the failure state Lights up to indicate the status of the ballast.
  • the method may further include displaying the state of the ballast through the sound of the speaker.
  • the method may further include outputting a warning sound through a speaker at predetermined time intervals.
  • the method may further include rectifying the AC power to a DC power when the supplied power is an AC power using a bridge circuit, and passing the power when the power supplied from the power supply is a DC power.
  • the present invention can accurately check the fault site according to the diagnosis of the fault diagnosis unit to check, replace or repair only the fault site without performing unnecessary parts replacement work, such as maintenance of the ballast connected to the LED lamp for the motor room There is an advantage that can be done very economically.
  • the DC / AC can be used in combination to provide an effect that can be used for a more adaptive LED lamp.
  • FIG. 1 is a block diagram illustrating a conventional switching mode power supply (SMPS) circuit for driving a LED lamp.
  • SMPS switching mode power supply
  • Figure 2 is a block diagram schematically showing a driving method of a conventional LED lamp of the electric vehicle cabin.
  • FIG. 3 is a view functionally showing the configuration of a device for determining the state of the DC / AC ballast according to an embodiment of the present invention.
  • Figure 4 shows the overall configuration of the apparatus for determining the state of the DC / AC ballast according to an embodiment of the present invention.
  • FIG. 5 is a view functionally showing the configuration of the abnormality determination unit according to an embodiment of the present invention.
  • FIG. 6 is a diagram functionally showing the configuration of a converter unit according to an embodiment of the present invention.
  • FIG. 7 is a diagram illustrating an apparatus and a state display unit for determining a state of a DC / AC ballast according to an embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a method of determining a state of a DC / AC ballast according to an embodiment of the present invention.
  • FIG. 9 is a flowchart illustrating a method of determining a state of a ballast through an abnormality determination unit according to an embodiment of the present invention.
  • FIG. 3 is a view functionally showing the configuration of a device for determining the state of the DC / AC ballast according to an embodiment of the present invention.
  • the apparatus for determining the state of the DC / AC ballast of the present invention may include a power supply unit, a converter unit, an abnormality determination unit, and a state display unit.
  • the power supply unit may supply power for driving the LED module.
  • the power supplied here may be DC power or AC power. That is, the power supply unit of the present invention can supply the DC power and AC power through one power supply.
  • the DC power source may include a power source in the range of DC 70V to DC 140V, and the AC power source may include a power source in the range of AC 90V to AC 250V.
  • Figure 4 shows the overall configuration of the apparatus for determining the state of the DC / AC ballast according to an embodiment of the present invention.
  • the present invention is supplied to the circuit of the converter unit 200, the converter unit 200 for supplying power to the LED light module 500 receives a direct current or alternating current from the power supply unit 100
  • the converter unit 200 for supplying power to the LED light module 500 receives a direct current or alternating current from the power supply unit 100
  • the converter 200 may determine whether the ballast is abnormal by detecting an output of a circuit supplied from the control circuit to the LED light module 500 through the inverter circuit and the current-limiting circuit through the output detection circuit.
  • FIG. 5 is a view functionally showing the configuration of the abnormality determination unit according to an embodiment of the present invention.
  • the abnormality determining unit of the present invention may include a temperature sensing module and a current sensing module.
  • the temperature sensing module may detect a temperature of power input to the LED module. By sensing the temperature of the input power, the temperature sensing module may determine that an abnormality occurs in the power flowing to the ballast when the temperature is out of the predetermined temperature.
  • the abnormality determination unit judges the state of the ballast as a good state, and if the temperature of the power detected by the temperature sensing module is more than 60 ° and less than 70 °, the state of the ballast If it is determined that the action is necessary, and the temperature of the power detected by the temperature sensing module is 70 ° or more, the state of the ballast may be determined as a failure state.
  • the current sensing module may sense current of a power input to the LED module. That is, the current sensing module detects the number of peak values of the current of the input power, and when the peak value is detected by more than a predetermined number of times, it may be broken that the power flowing to the ballast is abnormal.
  • the error determining unit determines the state of the ballast as a good state, and the peak value of the current sensed by the current sensing module is 10 times during the predetermined time. If the error occurs less than 20 times, the state of the ballast is judged as a necessary action state, and if the peak value of the current sensed by the current sensing module occurs more than 20 times, the state of the ballast is determined as a fault state. The state of the AC combined ballast can be judged.
  • Table 1 shows an example in which the abnormality determination unit determines the state of the ballast from the temperature and current peak values of the ballast according to an embodiment of the present invention.
  • the abnormality determining unit may determine the state of the ballast based on information detected from at least one of the temperature or the current peak value.
  • the temperature sensing module may detect the temperature of the power input to the LED module through the temperature sensor, and determine the state of the ballast from the correlation between the sensed temperature and the expected life shown in Table 1.
  • the abnormality determining unit determines that the ballast is in need of action and lights up a yellow light through the status display unit to inform the user of the state of the ballast. Can be. In this case, the user can predict that the life expectancy of the ballast is around 20 to 60% through the yellow light.
  • the error determination unit determines that the ballast is in a faulty state and lights up the red light of the status display unit, thereby causing the ballast to fail. You can tell the status. In this case, the life expectancy of the ballast can be predicted to be 20% or less.
  • the abnormality judging unit is particularly effective in determining the state of the ballast more effectively by blinking a red light when the temperature of the power supply is 70 ° or more, or when the current peak value is detected 20 times or more. You can inform.
  • the current peak value may mean a peak value of a DC power source converted from an input DC power source or an input AC power source.
  • Peak value is the maximum value in a given section, usually the positive peak value that vibrates is the maximum amount of change from the average value in a given section. Peak Value).
  • the Peak Value is literally the highest value of amplitude. That is, the state of the ballast can be determined through the frequency of the current peak value due to the rise of the DC power supply.
  • Table 1 the data presented in Table 1 are due to the data of measuring the life expectancy using the capacitor included in the ballast, and these data may be set differently by user's setting.
  • FIG. 6 is a diagram functionally showing the configuration of a converter unit according to an embodiment of the present invention.
  • the converter unit may further include a bridge circuit unit configured to rectify AC power to DC power when the power supplied from the power supply unit is AC power, and pass the power when the power supplied from the power supply unit is DC power. have.
  • the bridge circuit section includes a noise / surge prevention circuit section that cuts off the frequency of the noise / surge component generated from the current passing through the bridge circuit section, and rectification / converting the AC power source to the DC power source from the bridge circuit section and removing the pulse current from the DC power source.
  • the control circuit unit may further include a smoothing circuit unit, a control circuit unit for supplying power passing through the rectifying / smoothing circuit unit to the inverter circuit unit, an inverter circuit unit for converting DC power into AC power, and a current-limiting circuit unit for adjusting a current of the power source passing through the inverter circuit unit.
  • the bridge circuit unit refers to a Wheatstone bridge, and when the full-wave rectification is performed, the Wheatstone bridge passes through a direct current, and the alternating current converts to a direct current.
  • a bridge circuit is a type of electrical circuit in which the current is separated into parallel connected electrical conductors and recombined with the conductors surrounding the network. Bridge circuits are generally used for measurement purposes, but can also be used for power supplies.
  • bridge circuits or bridge rectifiers can be used to rectify uncertain or alternating voltages into direct voltages with arrayed diodes or similar devices. Full-wave rectification using a Wheatstone bridge can increase power efficiency.
  • the converter unit of the present invention it is possible to use a mixture of DC and AC power. In addition, it is possible to prevent failure due to the mixing of the two power supply parts.
  • FIG. 7 is a diagram illustrating an apparatus and a state display unit for determining a state of a DC / AC ballast according to an embodiment of the present invention.
  • the status display may be provided with green, yellow and red LED lighting.
  • the status indicator may be included in the device of the present invention, or may be attached spaced apart from the device of the present invention.
  • the state display unit may display the state of the ballast determined by the abnormality determination unit through the color of illumination.
  • the state display unit may turn on a yellow light.
  • the user can confirm that the yellow light is turned on and recognize that the ballast has a life span of 20 to 60% and needs to be corrected.
  • the status display unit may include a speaker. That is, the state of the ballast can be displayed through the sound effect of the speaker.
  • a warning sound may be output through the speaker.
  • the user can recognize that the state of the ballast is a fault condition and urgent action is necessary through the output warning sound.
  • FIG. 8 is a flowchart illustrating a method of determining a state of a DC / AC ballast according to an embodiment of the present invention.
  • the present invention provides a method for determining the state of the DC / AC ballast, the method is a step of receiving a power supply for driving the LED module (S10), the supplied power is AC power In the case of rectifying AC power to DC power and inputting to the LED module, and if the supplied power is DC power, inputting the current power to the LED module (S20), from the power input to the LED module of the ballast It may include the step of determining the state (S30) and the step of displaying the determined state of the ballast (S40).
  • FIG. 9 is a flowchart illustrating a method of determining a state of a ballast through an abnormality determination unit according to an embodiment of the present invention.
  • the step of determining the state of the ballast from the power input to the LED module the step of detecting the temperature of the power input to the LED module (S31), the current peak value of the power input to the LED module
  • the detecting may include a step S33, a step S35 of determining the state of the ballast, and a step S37 of displaying the determined state of the ballast.
  • the state of the ballast is determined as a good state, and the detected power temperature is 60 ° or more. If it is less than 70 °, the state of the ballast may be determined to be a necessary action, and if the detected power supply temperature is 70 ° or more, the state of the ballast may be determined to be a failure state.
  • step (S33) of detecting the current peak value of the power input to the LED module when the peak value of the detected current occurs less than 10 times in a predetermined time, the state of the ballast is determined as a good state, and the detected current If the peak value of is more than 10 times and less than 20 times during the predetermined time, the state of the ballast is judged to be a necessary action, and if the detected peak value of 20 times or more occurs, the state of the ballast is brought to a fault state. You can judge.
  • the ballast state may be displayed through green light, yellow light, and red light.
  • the green light is turned on in the good state to indicate the state of the ballast, and the yellow light is turned on to indicate the state of the ballast when the action is necessary, In this case, the state of the ballast can be displayed by lighting red light.
  • the method may further include displaying the state of the ballast through the sound of the speaker.
  • the method may further include outputting a warning sound through a speaker at predetermined time intervals.
  • a ballast using both direct current and alternating current can be implemented, and the state of the ballast can be informed to the user by determining and displaying the state of the ballast in real time. Because of this, the user can efficiently drive the LED module by replacing the ballast before the end of the ballast life. In addition, because some parts can be known in advance before the failure, there is an economic cost savings.
  • the method may further include rectifying the AC power to a DC power when the supplied power is an AC power using a bridge circuit, and passing the power when the power supplied from the power supply is a DC power.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Inverter Devices (AREA)

Abstract

La présente invention concerne un appareil et un procédé permettant de déterminer l'état d'un stabilisateur qui utilise doublement un courant alternatif et un courant continu de façon à être apte à informer un utilisateur du fait que le stabilisateur est dans un état anormal. Selon un mode de réalisation de la présente invention, l'appareil de détermination de l'état d'un stabilisateur double de courant alternatif/courant continu peut comprendre : une unité d'alimentation électrique pour fournir un courant pour attaquer un module de DEL ; une unité de convertisseur, connectée à l'unité d'alimentation électrique, pour recevoir une alimentation en courant, redresser un courant alternatif en courant continu, et entrer ensuite le courant continu dans le module de DEL lorsque le courant d'entrée fourni est un courant alternatif, et entrer le courant continu dans le module DEL lorsque le courant d'entrée fourni est un courant continu ; une unité de détermination d'anomalie, connectée à l'unité de convertisseur, pour déterminer l'état d'un stabilisateur à partir d'un courant entré entre l'unité de convertisseur et le module de DEL ; et une unité d'affichage d'état pour recevoir un signal déterminant l'état du stabilisateur à partir de l'unité de détermination d'anomalie, et afficher l'état actuel du stabilisateur.
PCT/KR2015/001955 2015-02-12 2015-02-27 Appareil et procédé permettant de déterminer l'état d'un stabilisateur double de courant alternatif/courant continu WO2016129738A1 (fr)

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KR10-2015-0021557 2015-02-12
KR1020150021557A KR101631407B1 (ko) 2015-02-12 2015-02-12 직류/교류 겸용 안정기의 상태를 판단하는 장치 및 방법

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KR20060019745A (ko) * 2004-08-30 2006-03-06 (주)헤라테크 냉음극 형광전등용 안정기
US20060092588A1 (en) * 2004-10-28 2006-05-04 Realmuto Richard A Multiple bi-directional input/output power control system
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KR20090027825A (ko) * 2007-09-13 2009-03-18 (주)씨앤티코리아 온도변화에 안전한 전자식 안정기 및 안정기의 온도를안정화시켜 주는 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022055863A1 (fr) * 2020-09-08 2022-03-17 Commscope Technologies Llc Appareils et procédés pour éviter des dommages humains dus à des lignes électriques à haute tension
US11581800B2 (en) 2020-09-08 2023-02-14 Commscope Technologies Llc Apparatuses and methods for averting human harm due to high voltage powerlines
US11962236B2 (en) 2020-09-08 2024-04-16 Commscope Technologies Llc Apparatuses and methods for averting human harm due to high voltage powerlines

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