KR200380675Y1 - Self diagnosis equipment for high voltage light - Google Patents
Self diagnosis equipment for high voltage light Download PDFInfo
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- KR200380675Y1 KR200380675Y1 KR20-2004-0032461U KR20040032461U KR200380675Y1 KR 200380675 Y1 KR200380675 Y1 KR 200380675Y1 KR 20040032461 U KR20040032461 U KR 20040032461U KR 200380675 Y1 KR200380675 Y1 KR 200380675Y1
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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
- 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
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2925—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
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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
- H05B47/20—Responsive to malfunctions or to light source life; for protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Circuit Arrangements For Discharge Lamps (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
본 고안은 고압방전등용 자기진단 보호장치에 관한 것으로, 그 목적은 램프가 정상점등되지 않는 램프불량이거나, 램프가 없을 경우에 전원이 공급되며 발생할 수 있는 주변기기, 즉, 안정기 또는 출력선의 단락(합선)을 방지하는 것이다.The present invention relates to a self-diagnostic protection device for a high-pressure discharge lamp, the purpose of which is a lamp failure that the lamp is not normally lit, or a peripheral device that can be generated when the power is supplied when there is no lamp, that is, a short circuit (short circuit or short circuit) ) To prevent.
이를 위한 본 고안의 고압방전등용 자기진단 보호장치는, 외부의 교류전원을 C1 및 D1을 통해 직류전원으로 변환하고, ZD1을 통해 릴레이의 구동을 위한 일정전압을 발생시키는 정전압부와;Self-diagnosis protection device for a high-voltage discharge lamp of the present invention for this purpose, the constant voltage unit for converting the external AC power to DC power through C1 and D1, and generates a constant voltage for driving the relay through ZD1;
상기 정전압부에서 전달된 R6, R7의 분할전압이 일정이상인 경우 Q1의 게이트를 트리거하여 C2의 충전전류를 안정기에 전달하는 고압방전제어부와; A high voltage discharge control unit for triggering the gate of Q1 to transfer the charging current of C2 to the ballast when the divided voltages of R6 and R7 transmitted from the constant voltage unit are equal to or greater than a predetermined voltage;
R9, R10으로 분할된 램프의 양단전압에 의해 U3를 제어하고, 상기 U3에 의해 EC3의 충전전하를 제어하는 램프단락검출부와;A lamp short detection unit for controlling U3 by the voltage between both ends of the lamp divided into R9 and R10 and controlling the charge charge of the EC3 by the U3;
R11, R12로 분할된 램프의 양단전압은 ZD3를 통해 U2를 제어하고, 상기 U2에 의해 EC4의 충전전하를 제어하는 램프점등검출부와;A lamp lighting detection unit for controlling the voltage of the both ends of the lamp divided into R11 and R12 to control U2 through ZD3 and controlling the charge charge of EC4 by the U2;
상기 램프단락검출부와 램프점등검출부에서 전달된 신호에 따라 해당되는 신호의 LED를 점등함과 동시에 소정의 제어신호를 발생하는 마이컴제어부와;A microcomputer control unit which lights a LED of a corresponding signal and generates a predetermined control signal according to the signals transmitted from the lamp short detection unit and the lamp lighting detection unit;
Q2를 통해 상기 마이컴제어부의 제어신호를 전달받아 릴레이를 동작시키는 릴레이구동부와;A relay driver for receiving a control signal of the microcomputer control unit through Q2 to operate a relay;
상기 릴레이구동부의 동작신호에 따라 고압방전제어부에서 전달된 C2의 전류로 2차코일에 고압을 발생시켜 램프를 점등하는 안정기를 포함한다.It includes a ballast for lighting the lamp by generating a high pressure in the secondary coil with a current of C2 transmitted from the high-pressure discharge control unit according to the operation signal of the relay driver.
이에 따라, 램프가 정상점등되지 않는 램프불량이거나, 램프가 없을 경우에 전원이 공급되며 발생할 수 있는 주변기기, 즉, 안정기 또는 출력선의 단락(합선)을 방지한 이점이 있다.Accordingly, there is an advantage in preventing a short circuit (short circuit) of a peripheral device, that is, a ballast or an output line, which may occur when power is supplied when the lamp is not normally lit or when there is no lamp.
Description
본 고안은 고압방전등에 관한 것으로서, 더 상세하게는 게이트전류에 의해 온오프되는 SCR을 사용하여 안정기의 2차코일에 전달되는 전류를 제어하며, 램프의 점등시 램프출력전압(램프양단전압)에 따라 포토커플러U3를 통해 콘덴서 EC3를 제어하고, 포토커플러U2를 통해 EC4를 제어하여 전기적신호를 발생시키며, 마이콤에서는 상기 EC3 및 EC4의 전기적신호에 따라 릴레이로 안정기의 전원공급을 제어함과 동시에 해당되는 LED(전원, 회로단락, 램프불량)를 점등하여 회로의 현재상태를 표시하는 고압방전등용 자기진단 보호장치에 관한 것이다. The present invention relates to a high-pressure discharge lamp, and more specifically, to control the current delivered to the secondary coil of the ballast using the SCR on and off by the gate current, and to the lamp output voltage (lamp voltage across the lamp) when the lamp is turned on Accordingly, the capacitor EC3 is controlled through the photocoupler U3, and the EC4 is controlled through the photocoupler U2, and an electrical signal is generated. In the microcomputer, the power supply of the ballast is controlled by a relay according to the electrical signals of the EC3 and EC4. The present invention relates to a self-diagnosis protection device for a high-voltage discharge lamp that lights up an LED (power supply, short circuit, and lamp failure) to display a current state of a circuit.
일반적으로, 가로등 조명이나 고천정 조명 등으로 많이 사용되고 있는 고압방전등(수은등, 나트륨등, 메탈할라이드등)을 점등하기 위해서는 램프에 높은 초기 시동전압을 공급하고, 그 점등 후에 전류를 제어하기 위하여 역률개선용 콘덴서가 설치된 안정기가 필요하게 된다. In general, in order to light a high-pressure discharge lamp (mercury lamp, sodium lamp, metal halide lamp, etc.) which are widely used for street light lighting and high ceiling lighting, a high initial starting voltage is supplied to the lamp, and a power factor improvement is performed to control current after the lighting. The ballast with the capacitor | condenser installed is needed.
이때, 소켓의 접촉불량, 출력단 선로의 접촉불량, 단자류의 이완이나 이탈 및 절연불량 등이 발생되면, 램프불량시 또는 램프가 없는 경우에도 지속적으로 1500V 이상의 고압을 발생시켜 안정기, 점등보조장치 등에 치명적인 손상을 주게 될 뿐만이 아니라, 고압에 의해 발생된 전기적 노이즈가 주변 가전제품의 고장원인이 되는 문제점이 있었다. At this time, if there is a poor contact of the socket, poor contact of the output line, loosening or detachment of the terminals, insulation failure, etc., even when there is no lamp or no lamp, it continuously generates high voltage of 1500V or higher to stabilize ballast, lighting auxiliary device, etc. In addition to fatal damage, there was a problem that the electrical noise generated by the high pressure causes the failure of the surrounding appliances.
또한, 램프출력선이 단락(합선)되었을 경우 안정기 코일에 의하여 전류가 제한되므로, 과전류차단기가 제대로 작용하지 않아 결국 안정기 코일이 타서 화재의 원인이 되는 경우도 발생한다. In addition, since the current is limited by the ballast coil when the lamp output line is short-circuited (short circuit), the overcurrent breaker may not work properly, resulting in a case where the ballast coil burns and causes a fire.
본 고안은 상기한 바와 같은 종래의 문제점을 해결하기 위해 안출된 것으로서, 본 고안의 목적은 게이트전류에 의해 온오프되는 SCR을 사용하여 안정기의 2차코일에 전달되는 전류를 제어하며, 램프의 점등시 램프출력전압(램프양단전압)에 따라 포토커플러U3를 통해 콘덴서 EC3를 제어하고, 포토커플러U2를 통해 EC4를 제어하여 전기적신호를 발생시키며, 마이콤에서는 상기 EC3 및 EC4의 전기적신호에 따라 릴레이로 안정기의 전원공급을 제어함과 동시에 해당되는 LED(전원, 회로단락, 램프불량)를 점등하여 회로의 현재상태를 표시하는 고압방전등용 자기진단 보호장치를 제공함에 그 목적이 있다.The present invention is devised to solve the conventional problems as described above, an object of the present invention is to control the current delivered to the secondary coil of the ballast by using the SCR is turned on and off by the gate current, the lighting of the lamp The capacitor EC3 is controlled through the photocoupler U3 and the EC4 is controlled through the photocoupler U2 according to the lamp output voltage (lamp voltage across the lamp), and the microcomputer generates a relay signal according to the electrical signals of the EC3 and EC4. The purpose of the present invention is to provide a self-diagnosis protection device for a high-pressure discharge lamp that displays the current state of the circuit by controlling the power supply of the ballast and lighting a corresponding LED (power supply, short circuit, lamp failure).
이러한 목적을 달성하기 위한 본 고안에 따른 고압 방전등용 자기진단 보호장치는; Self-diagnostic protection device for high-pressure discharge lamp according to the present invention for achieving this object;
외부의 교류전원을 C1 및 D1을 통해 직류전원으로 변환하고, ZD1을 통해 릴레이의 구동을 위한 일정전압을 발생시키는 정전압부와; A constant voltage unit converting an external AC power source into a DC power source through C1 and D1 and generating a constant voltage for driving the relay through ZD1;
상기 정전압부에서 전달된 R6, R7의 분할전압이 일정이상인 경우 Q1의 게이트를 트리거(triger)하여 C2의 충전전류를 안정기에 전달하는 고압방전제어부와; A high voltage discharge control unit for triggering a gate of Q1 to transfer the charging current of C2 to a ballast when the divided voltages of R6 and R7 transmitted from the constant voltage unit are equal to or greater than a predetermined voltage;
R9, R10으로 분할된 램프의 양단전압에 의해 U3를 제어하고, 상기 U3에 의해 EC3의 충전전하를 제어하는 램프단락검출부와; A lamp short detection unit for controlling U3 by the voltage between both ends of the lamp divided into R9 and R10 and controlling the charge charge of the EC3 by the U3;
R11, R12로 분할된 램프의 양단전압은 ZD3를 통해 U2를 제어하고, 상기 U2에 의해 EC4의 충전전하를 제어하는 램프점등검출부와; A lamp lighting detection unit for controlling the voltage of the both ends of the lamp divided into R11 and R12 to control U2 through ZD3 and controlling the charge charge of EC4 by the U2;
상기 램프단락검출부와 램프점등검출부에서 전달된 신호에 따라 해당되는 신호의 LED(표시용 발광소자)를 점등함과 동시에 소정의 제어신호를 발생하는 마이컴제어부와; A microcomputer control unit which lights a LED (display light emitting device) of a corresponding signal and generates a predetermined control signal according to the signals transmitted from the lamp short detection unit and the lamp lighting detection unit;
Q2를 통해 상기 마이컴제어부의 제어신호를 전달받아 릴레이를 동작시키는 릴레이구동부와; A relay driver for receiving a control signal of the microcomputer control unit through Q2 to operate a relay;
상기 릴레이구동부의 동작신호에 따라 고압방전제어부에서 전달된 C2의 전류로 2차코일에 고압을 발생시켜 램프를 점등하는 안정기로 구성된다. According to the operation signal of the relay drive unit is composed of a ballast to turn on the lamp by generating a high pressure in the secondary coil with a current of C2 transmitted from the high-pressure discharge control unit.
이하, 첨부한 예시도를 참조로 하여 본 고안에 따른 고압 방전등용 자기진단 보호장치 하나의 실시예에 대해 상세히 설명한다.Hereinafter, an embodiment of a self-diagnostic protection device for a high-pressure discharge lamp according to the present invention will be described in detail with reference to the accompanying drawings.
미설명된 도면부호 R1∼R17은 저항, D1∼D4는 다이오드, C1∼C5 및 EC1∼EC4는 콘덴서, Q1은 SCR, ZD1∼ZD3는 재너다이오드, U2는 포토커플러이다.Reference numerals R1 to R17 denote resistors, D1 to D4 diodes, C1 to C5 and EC1 to EC4 capacitors, Q1 to SCR, ZD1 to ZD3 zener diodes, and U2 to photocouplers.
도 1을 참조하면, 본 고안에 따른 고압 방전등용 자기진단 보호장치(1)는 정전압부(10)와, 고압방전제어부(30)와, 램프단락검출부(40)와, 램프점등검출부(50), 마이컴제어부(60), 릴레이구동부(20)와, 램프(80)를 점등하는 안정기(70)로 대별된다. Referring to FIG. 1, the self-diagnostic protection device 1 for a high-pressure discharge lamp according to the present invention includes a constant voltage unit 10, a high-pressure discharge control unit 30, a lamp short detection unit 40, and a lamp lighting detection unit 50. And the microcomputer control unit 60, the relay driver 20, and the ballast 70 for lighting the lamp 80. FIG.
정전압부(10)는 외부의 교류전원(AC 220V)를 공급받아, 콘덴서C1 및 다이오드D1을 통해 정류하고, 제너다이오드ZD1와 콘덴서 EC1 및 C4를 통해 일정한 전압으로 유지시켜 고압방전제어부(30)에 전달한다. The constant voltage unit 10 is supplied with an external AC power source (AC 220V), rectified through the capacitor C1 and the diode D1, and maintained at a constant voltage through the zener diode ZD1 and the capacitors EC1 and C4 to the high voltage discharge control unit 30. To pass.
고압방전제어부(30)에서는 전달된 전압을 R6, R7에 의해 분할하여 Q1을 제어하게 되며, Q1에서는 C2의 충전전류로 안정기(70)의 2차코일에 고전압을 발생시킨다. The high voltage discharge control unit 30 divides the transmitted voltage by R6 and R7 to control Q1. In Q1, a high voltage is generated in the secondary coil of the ballast 70 by the charging current of C2.
이때, 상기 Q1은 SCR(Silicon Controlled Rectifier; 실리콘 제어정류기)로서, 작은 게이트전류로 큰 전력을 제어하기 위해 사용되는 범용 소자이다. 즉, R6, R7으로 분할된 전압이 Q1의 게이트에 인가되고, 입력정현파가 일정각도 이상이 되어 Q1의 게이트가 트리거될 수 있는 전압이 되면, Q1이 턴온(TURN ON)되어 C2의 충전전류가 안정기에 공급되고, 이로 인해 안정기의 2차 코일에서 고압이 발생되어 램프(고압방전등;80)를 점등하게 된다. In this case, Q1 is a silicon controlled rectifier (SCR) and is a general-purpose device used to control large power with a small gate current. That is, when the voltage divided into R6 and R7 is applied to the gate of Q1, and the input sinusoid becomes over a certain angle and the voltage of the gate of Q1 can be triggered, Q1 is turned on and the charging current of C2 becomes The ballast is supplied to the ballast, whereby a high pressure is generated in the secondary coil of the ballast to light a lamp (high-voltage discharge lamp) 80.
램프(80)가 점등되면, 램프(80)의 양단 전압(관전압)이 일정 수준이하로(100∼140V)로 하강하여 R6, R7의 분할전압이 Q1의 게이트를 트리거할 수 없게 되므로 안정기(70)의 고압발생은 자동으로 정지하게 된다.When the lamp 80 is turned on, the voltage across the lamp 80 (tube voltage) drops below a predetermined level (100 to 140 V) so that the divided voltages of R6 and R7 cannot trigger the gate of Q1. High pressure generation of) will stop automatically.
한편, 램프단락검출부(40)에서는 램프(80)가 점등되는 경우(정상, 비정상 포함)에 R9, R10의 분할 전압으로 U3를 구동하여 EC3의 충전 전하를 "0"으로 한다. On the other hand, in the lamp short detection unit 40, when the lamp 80 is lit (normal or abnormal), U3 is driven by the divided voltages of R9 and R10 to set the charge charge of EC3 to "0".
그러나, 램프(80)가 단락되어 램프양단전압(램프출력전압)이 "0V"가 되면 U3가 구동되지 않으므로, R8을 통해 EC3가 충전되어 "1"로 전환되며, 마이컴제어부(60)에서는 이를 통해 램프(80)가 단락된 것으로 판단하고, 릴레이구동부(20)의 Q2를 통해 릴레이를 구동하여 안정기(70)에 전달되는 전원공급을 차단한다. However, when the lamp 80 is short-circuited and the lamp end voltage (lamp output voltage) becomes "0V", U3 is not driven. Therefore, the EC3 is charged through R8 to be switched to "1". It is determined that the lamp 80 is short-circuited, and drives the relay through Q2 of the relay driver 20 to cut off the power supply delivered to the ballast 70.
즉, 상기 릴레이구동부(20)는 마이컴(61)의 제어신호에 따라 Q2가 스위칭되며, 그에 의해 릴레이를 온, 오프로 전환하여 정전압부(10)의 안정된 전압을 안정기(70)에 공급하거나 차단하게 된다. That is, the relay driver 20 switches Q2 according to the control signal of the microcomputer 61, thereby switching the relay on and off, thereby supplying or blocking the stable voltage of the constant voltage unit 10 to the ballast 70. Done.
또한, 램프점등검출부(50)에서는 램프출력전압을 R11, R12로 전압 분할하고, ZD3를 통하여 포토커플러 U2를 제어하게 된다. In addition, the lamp lighting detection unit 50 divides the lamp output voltage into R11 and R12 and controls the photocoupler U2 through ZD3.
즉, 램프(80)가 점등이 되지 않아 램프출력전압이 입력전압과 동일하면, R11과 R12로 분할된 전압은 ZD3의 전압을 초과하여 포토커플러U2를 구동하게 되며, 따라서 EC4의 충전 전하는 "0"이 되고, 마이컴제어부(60)에서는 이를 통해 램프(80)가 점등되지 않은 것으로 판단한다. That is, when the lamp 80 is not turned on and the lamp output voltage is the same as the input voltage, the voltage divided into R11 and R12 exceeds the voltage of ZD3 to drive the photocoupler U2, so that the charge charge of the EC4 is "0. ", The microcomputer control unit 60 determines that the lamp 80 is not lit through this.
이때, 마이컴제어부(60)에서는 릴레이구동부(20)의 Q2를 통해 릴레이를 구동하고, 릴레이의 접점이 떨어지게 되어 안정기(70)에 전달되는 전원공급이 차단된다.At this time, the microcomputer control unit 60 drives the relay through Q2 of the relay driver 20, the contact point of the relay is dropped and the power supply delivered to the ballast 70 is cut off.
그러나, 램프(80)가 정상 점등되면 R11과 R12로 분할된 램프(80)의 출력전압이 ZD3의 전압을 넘지 못하여 포토커플러U2를 구동하지 못하므로, EC4의 양단은 R13에 의하여 충전되어 "1"이 되며, 마이컴제어부(60)에서는 이를 통해 램프(80)가 점등된 것으로 판단한다. However, when the lamp 80 is normally turned on, the output voltage of the lamp 80 divided into R11 and R12 does not exceed the voltage of ZD3, and thus the photocoupler U2 cannot be driven. Therefore, both ends of the EC4 are charged by R13. ", And the microcomputer control unit 60 determines that the lamp 80 is turned on.
상기한 마이컴제어부(60)는 입력신호에 따라 소정의 제어신호를 발생하는 마이콤(61)과, 상기 마이콤(61)의 제어신호에 따라 회로의 현재상태인 전원공급여부, 회로단락여부, 램프불량여부를 표시할 수 있도록 3개의 LED(62∼64)로 구성되며, 입력단자로 전달된 램프단락검출부(40) 및 램프점등검출부(50)의 신호에 따라 릴레이 구동부(20)를 제어함과 동시에 해당되는 LED(62∼64)를 점등한다. The microcomputer control unit 60 generates a predetermined control signal according to an input signal, and whether or not a power supply, a circuit short circuit, and a lamp failure present in the current state of the circuit are generated according to the control signal of the microcomputer 61. It consists of three LEDs (62 to 64) to indicate whether or not, while controlling the relay driver 20 in accordance with the signal of the lamp short detection unit 40 and the lamp lighting detection unit 50 transmitted to the input terminal The corresponding LEDs 62 to 64 are turned on.
이때, 마이콤(61)은 프로그램이 가능한 8비트 EEPROM CMOS 마이크로 콘트롤러로서, 내부에 타이머기능을 내장하여 일정한 주기마다 반복적으로 제어신호를 발생하고, 일정한 시간동안 동일한 상태가 지속되면 전원차단신호를 발생하도록 프로그램밍된다. At this time, the microcomputer 61 is a programmable 8-bit EEPROM CMOS microcontroller, and has a built-in timer function to repeatedly generate a control signal at regular intervals, and to generate a power off signal if the same state persists for a predetermined time. Is programmed.
따라서, 본 고안의 고압방전등용 자기진단 보호장치(1)의 동작시퀀스는 다음과 같이 진행된다. Therefore, the operation sequence of the self-diagnosis protection device 1 for a high-pressure discharge lamp of the present invention proceeds as follows.
첫번째, 램프가 없거나 불량일 경우;First, if the lamp is missing or bad;
전원이 투입되면 전원LED(62)가 점등되고, 램프불량LED(64)가 1초 간격으로 점멸하며, 약 7분이 경과하면 전원이 차단됨과 동시에 램프불량LED(64)가 점등된다. When the power is turned on, the power LED 62 is turned on, the lamp failure LED 64 blinks at 1 second intervals, and after about 7 minutes, the power is cut off and the lamp failure LED 64 is turned on.
두번째, 순간정전으로 일시 소등된 경우;Second, temporarily turned off due to a power failure;
전원램프는 점등되고, 램프불량LED(64)이 정상 점등될때까지 1초 간격으로 점멸하며, 전원이 정상공급되면 램프불량LED(64)의 점멸이 중단된다.(소등)The power lamp is turned on and blinks at 1 second intervals until the lamp failure LED 64 is normally turned on. When the power is supplied normally, the lamp failure LED 64 stops blinking.
세번째, 단락(합선)된 경우;Third, short-circuited;
정상점등 또는 램프불량의 상태에 무관하게, 출력측의 단락시 즉시 안전차단상태로 전환되고, 회로단락LED(63)가 점등된다. Regardless of the state of normal lighting or lamp failure, a short circuit on the output side is immediately switched to the safety cutoff state, and the circuit short LED 63 lights up.
본 고안에 도시된 회로도는 고압방전등의 자기진단을 수행하여 회로를 보호하기 위한 일 실시례로서, 동일한 목적 및 효과를 나타내기 위해 일부의 전자소자를 대체하거나, 기술의 발전에 따라 다수개의 전자소자를 일체로하는 원칩회로를 구성하여 사용할 수 있으므로, 상기 회로도에 의해 본 고안의 권리범위가 제한되지는 않는다.The circuit diagram shown in the present invention is an embodiment for protecting a circuit by performing a self-diagnosis of a high-voltage discharge lamp, to replace some of the electronic devices to exhibit the same purpose and effect, or to increase the number of electronic devices according to the development of technology. Since it is possible to configure and use a one-chip circuit integrally, the scope of the present invention is not limited by the circuit diagram.
본 고안에 의한 고압방전등용 자기진단 보호장치는 고압 방전제어부에서 게이트전류에 의해 온오프되는 SCR을 사용하여 안정기의 2차코일에 전달되는 전류를 제어하므로, 램프의 점등시 램프양단전압의 하강으로 인해 SCR이 오프되어 자동적으로 고압발생이 중지되어 안정기의 수명을 연장시킬 수 있는 효과가 있다. Self-diagnosis protection device for high-voltage discharge lamp according to the present invention controls the current delivered to the secondary coil of the ballast by using the SCR that is turned on and off by the gate current in the high-pressure discharge control unit, so that when the lamp is turned on, Due to this, the SCR is turned off and the high pressure is automatically stopped to extend the life of the ballast.
또한, 램프의 점등시 램프출력전압(램프양단전압)에 따라 포토커플러U3를 통해 콘덴서 EC3를 제어하고, 포토커플러U2를 통해 EC4를 제어하여 전기적신호를 발생시키며, 마이콤에서는 상기 EC3 및 EC4의 전기적신호에 따라 릴레이구동부에 의해 안정기의 전원공급을 제어하는 간단한 마이콤 회로를 구현함으로써, 적은 비용으로 안정적인 회로설계가 가능한 효과가 있다. In addition, when the lamp is turned on, the capacitor EC3 is controlled through the photocoupler U3 and the EC4 is controlled through the photocoupler U2 according to the lamp output voltage (lamp both ends voltage), and in the microcomputer, the electric signals of the EC3 and EC4 are generated. By implementing a simple micom circuit that controls the power supply of the ballast by the relay driver in accordance with the red signal, there is an effect that can be stable circuit design at a low cost.
또한, 고압방전등회로의 이상시 해당되는 LED(전원, 회로단락, 램프불량)를 점등하여 회로의 현재상태를 시각적으로 표시함으로써, 관리자의 주의를 환기시킬 수 있는 효과가 있다. In addition, by lighting the corresponding LED (power supply, short circuit, lamp failure) in the event of abnormality of the high-voltage discharge lamp circuit to visually display the current state of the circuit, there is an effect that can draw the attention of the administrator.
도 1은 본 고안의 일실시례에 따른 고압방전등용 자기진단 보호장치의 회로도.1 is a circuit diagram of a self-diagnostic protection device for a high-pressure discharge lamp according to an embodiment of the present invention.
<도면의 주요부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>
1;고압방전등용 자기진단 보호장치 10: 정전압부1; self-diagnosis protection device for high voltage discharge lamp 10: constant voltage part
20: 릴레이구동부 30: 고압방전제어부20: relay drive unit 30: high voltage discharge control unit
40: 램프단락검출부 50: 램프점등검출부40: lamp short detection unit 50: lamp light detection unit
60: 마이컴제어부 61: 마이컴60: microcomputer control unit 61: microcomputer
62: 전원LED 63: 회로단락LED62: power LED 63: circuit short LED
64: 램프불량LED 70: 안정기64: lamp failure LED 70: ballast
80: 램프80: lamp
Claims (2)
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| Application Number | Priority Date | Filing Date | Title |
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| KR20-2004-0032461U KR200380675Y1 (en) | 2004-11-17 | 2004-11-17 | Self diagnosis equipment for high voltage light |
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| Application Number | Priority Date | Filing Date | Title |
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| KR20-2004-0032461U KR200380675Y1 (en) | 2004-11-17 | 2004-11-17 | Self diagnosis equipment for high voltage light |
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| KR200380675Y1 true KR200380675Y1 (en) | 2005-04-07 |
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