Frequency converter having dustproof net

The utility model discloses a frequency converter having a dustproof net. The frequency converter comprises a casing, wherein the bottom board of the casing is provided with an air inlet, the top board of the casing is provided with an air outlet, the air outlet is provided with an axial-flow fan, t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZENG BOJUN, QIU XINGXIANG
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	The utility model discloses a frequency converter having a dustproof net. The frequency converter comprises a casing, wherein the bottom board of the casing is provided with an air inlet, the top board of the casing is provided with an air outlet, the air outlet is provided with an axial-flow fan, the casing further comprises a square tube type skirtboard below the bottom board, one side face of the skirtboard is provided with a jack, the jack is inserted with a dustproof net board, the inner wall of the skirtboard is provided with a supporting rib board used for supporting the dustproof net board, and the skirtboard below the dustproof net board is provided with an air inlet hole. According to the frequency converter having the dustproof net, the dustproof net board is arranged in the square tube type skirtboard at the lower portion of the frequency converter casing, dusts are prevented from entering the frequency converter casing to damage components, the fault rate of the frequency converter can be reduced, service life of the frequency converter is prolonged, moreover, the dustproof net board is fixed on the square tube type skirtboard in an insertion mode, so dismounting and mounting are convenient, and cleaning and maintenance are convenient.