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和心匠筑|金卤灯小科普
和心匠筑|金卤灯小科普
Popularization of Metal Halide Lamp
金卤灯的发光三阶段
Three stages of luminescence of metal halide lamps
1.触发阶段。金属卤化物灯内无灯丝，只有两个电极，直接加上工作电压不能点燃，必须先加高压使灯内气体电离。高压由专用触发器产生。
1. Trigger phase. There is no filament in metal halide lamp, only two electrodes. It can not be ignited directly with working voltage. It is necessary to ionize the gas in the lamp by adding high voltage first. The high voltage is generated by a special trigger.
2.着火阶段。灯泡触发后，电极的放电电压进一步加热电极，形成辉光放电，并为弧光放电创造条件。
2. Fire stage. After the lamp is triggered, the discharge voltage of the electrode further heats the electrode to form glow discharge and create conditions for arc discharge.
3.正常发光阶段。在辉光放电的作用下，电极温度越来越高，发射的电子数量越来越多，迅速过渡到弧光放电。随着温度进一步升高，灯的发光越来越强直到正常，全部过程需一分多钟，如果启动电流大，电源启动性能好，此过程可短些。
3. Normal luminescence stage. Under the action of glow discharge, the temperature of the electrode is getting higher and higher, and the number of electrons emitted is increasing, which rapidly transits to arc discharge. As the temperature rises further, the lamp emits more and more light until it is normal. The whole process takes more than one minute. If the starting current is large and the starting performance of the power supply is good, the process can be shorter.
Popularization of Metal Halide Lamp
金卤灯的发光三阶段
Three stages of luminescence of metal halide lamps
1.触发阶段。金属卤化物灯内无灯丝，只有两个电极，直接加上工作电压不能点燃，必须先加高压使灯内气体电离。高压由专用触发器产生。
1. Trigger phase. There is no filament in metal halide lamp, only two electrodes. It can not be ignited directly with working voltage. It is necessary to ionize the gas in the lamp by adding high voltage first. The high voltage is generated by a special trigger.
2.着火阶段。灯泡触发后，电极的放电电压进一步加热电极，形成辉光放电，并为弧光放电创造条件。
2. Fire stage. After the lamp is triggered, the discharge voltage of the electrode further heats the electrode to form glow discharge and create conditions for arc discharge.
3.正常发光阶段。在辉光放电的作用下，电极温度越来越高，发射的电子数量越来越多，迅速过渡到弧光放电。随着温度进一步升高，灯的发光越来越强直到正常，全部过程需一分多钟，如果启动电流大，电源启动性能好，此过程可短些。
3. Normal luminescence stage. Under the action of glow discharge, the temperature of the electrode is getting higher and higher, and the number of electrons emitted is increasing, which rapidly transits to arc discharge. As the temperature rises further, the lamp emits more and more light until it is normal. The whole process takes more than one minute. If the starting current is large and the starting performance of the power supply is good, the process can be shorter.
