CORONA DISCHARGE ASSEMBLY, ION MOBILITY SPECTROMETER AND CORONA DISCHARGE METHOD

CORONA DISCHARGE ASSEMBLY, ION MOBILITY SPECTROMETER AND CORONA DISCHARGE METHOD

The present disclosure discloses a corona discharge assembly, an ion mobility spectrometer and a corona discharge method. The corona discharge assembly includes at least one corona discharge unit, wherein, the corona discharge unit includes a pair of corona metal wires arranged in parallel, and puls...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Peng, Hua, He, Wen, Zhang, Yangtian, Chen, Changzhuo, Bao, Yuntai, Zhou, Haichao
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The present disclosure discloses a corona discharge assembly, an ion mobility spectrometer and a corona discharge method. The corona discharge assembly includes at least one corona discharge unit, wherein, the corona discharge unit includes a pair of corona metal wires arranged in parallel, and pulses having the same amplitude but opposite polarities are applied to the corona metal wires arranged in parallel, respectively. The present disclosure can generate more reactive ions than corona needles or tips, facilitate improving sensitivity of the ion mobility spectrometer, and effectively prolong service life of a corona source to 3-10 years.