PRINTING DEVICE AND LIQUID LEVEL DETECTION METHOD

A printing device includes a main control board, a resin vat (100), a vibration generating assembly (200), a detection assembly (300) and a support plate (400). The vibration generating assembly includes a drive component (210) and a paddle (220). A drive end of the drive component is connected to t...

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Bibliographische Detailangaben
Hauptverfasser:	OUYANG, Xin, DENG, Xinqiao
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TESTING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A printing device includes a main control board, a resin vat (100), a vibration generating assembly (200), a detection assembly (300) and a support plate (400). The vibration generating assembly includes a drive component (210) and a paddle (220). A drive end of the drive component is connected to the paddle, and the drive end is configured to drive the paddle to vibrate. The detection assembly includes an elastic sheet (310), a resistance strain gage (320) and a detection circuit (330). The resistance strain gage is attached to the elastic sheet, a first end of the elastic sheet is arranged on the first face of the support plate (400), and a second end of the elastic sheet extends into the liquid to be detected. The detection circuit is configured to determine an output voltage according to a resistance value of the resistance strain gage. Automatic detection of the liquid level depth of the liquid to be detected is achieving.