METHOD FOR OPERATING A TANK DEVICE FOR STORING COMPRESSED FLUIDS

• Main Author: Beier, Marco
• Format: Patent
• Language: English
• Published: 10.02.2022
• Subjects: BLASTING; CONTROLLING; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PHYSICS; REGULATING; STORING OF DISTRIBUTING GASES OR LIQUIDS; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The invention relates to a method (200) for operating a tank device (1) for storing compressed fluids, having a tank (2), a valve device (100), a feed line (29), a flow-regulating element (27) situated in the feed line (29), and a control unit (64). The valve device (100) comprises a magnet apparatus (11), by means of which magnet apparatus (11) the opening and closing process of the valve device (100) can be controlled, the magnet apparatus (11) comprising a solenoid (10). A characteristic map (80) is stored in the control unit (64), in which characteristic map (80) reference pressure differences (70) with associated electrical current strengths for the solenoid (10) are stored, the electrical current strength being selected such that the valve device (100) is still open, an initial electrical current strength being stored in the characteristic map (80). The method is characterised by the following steps: a. applying (60) the initial electrical current strength to the solenoid (10); b. determining (61) the pressure p0 in the tank (2) and determining (61) the pressure p1 in the feed line (29) between the valve device (100) and the flow-regulating element (27); c. determining (62) the difference between the pressure p0 in the tank (2) and the pressure p1 in the feed line (29) between the valve device (100) and the flow-regulating element (27); d. assigning the determined difference between the pressure p0 in the tank (2) and the pressure p1 in the feed line (29) between the valve device (100) and the flow-regulating element (27) to one of the reference pressure differences (70) in the characteristic map (80) such that,-if the determined difference between the pressure p0 in the tank (2) and the pressure p1 in the feed line (29) between the valve device (100) and the flow-regulating element (27) can be assigned to one of the reference pressure differences (70): i. selecting (64) an electrical current strength assigned to the determined reference pressure difference (70) for the solenoid (10); ii. applying (65) the selected electrical current strength to the solenoid (10); iii. cyclically repeating (66) steps a. to d.; -if the determined difference between the pressure p0 in the tank (2) and the pressure p1 in the feed line (29) between the valve device (100) and the flow-regulating element (27) cannot be assigned to one of the reference pressure differences (70): returning (67) to step a.