Power supply apparatus of fluid control and measurement system
First Claim
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1. A power supply apparatus,comprising:
- a power supply control part configured to start supplying power via at least one of a plurality of power supply lines to at least one fluidic device of a plurality of fluidic devices at a first start timing and start supplying power to at least another fluidic device of the plurality of fluidic devices at a second start timing which is different from the first start timing, wherein;
the plurality of fluidic devices are each adapted to control or measure fluid;
the power supply apparatus is configured to supply power to a plurality of disconnection/connection monitoring lines which are provided separately from the power supply lines;
the power supply control part includes;
a management part configured to communicate with the plurality of fluidic devices via a plurality of communication lines that are provided separately from the power supply lines and the disconnection/connection monitoring lines;
a power supply/shutoff part configured to turn on/off the power supply to each of the plurality of fluidic devices; and
an electric connecting line disconnection/connection monitoring part configured to monitor disconnection/connection of each of the respective fluidic devices at least in part by determining whether current flows through the respective disconnection/connection monitoring lines; and
the electric connecting line disconnection/connection monitoring part is further configured to transmit an ON/OFF control signal to the power supply/shutoff part to supply power to the power supply line, the connection of which is detected.
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Abstract
In order to prevent an increase in size of a power source device in a power supply apparatus adapted to manage multiple flow rate controllers, the power supply apparatus is connected via cables to the multiple flow rate controllers adapted to control fluid flow rates, and manages operations of the flow rate controllers via the cables as well as supplying power to the flow rate controllers, respectively. In addition, the power supply apparatus is configured to include a power supply control part that shifts power supply start timings for at least some of the flow rate controllers.
6 Citations
7 Claims
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1. A power supply apparatus,
comprising: -
a power supply control part configured to start supplying power via at least one of a plurality of power supply lines to at least one fluidic device of a plurality of fluidic devices at a first start timing and start supplying power to at least another fluidic device of the plurality of fluidic devices at a second start timing which is different from the first start timing, wherein; the plurality of fluidic devices are each adapted to control or measure fluid; the power supply apparatus is configured to supply power to a plurality of disconnection/connection monitoring lines which are provided separately from the power supply lines; the power supply control part includes; a management part configured to communicate with the plurality of fluidic devices via a plurality of communication lines that are provided separately from the power supply lines and the disconnection/connection monitoring lines; a power supply/shutoff part configured to turn on/off the power supply to each of the plurality of fluidic devices; and an electric connecting line disconnection/connection monitoring part configured to monitor disconnection/connection of each of the respective fluidic devices at least in part by determining whether current flows through the respective disconnection/connection monitoring lines; and the electric connecting line disconnection/connection monitoring part is further configured to transmit an ON/OFF control signal to the power supply/shutoff part to supply power to the power supply line, the connection of which is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification
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Current AssigneeHoriba STEC, Co., Ltd. (Horiba Limited)
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Original AssigneeHoriba STEC, Co., Ltd. (Horiba Limited)
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InventorsTakijiri, Kotaro, Takakura, Hiroshi, Oe, Kenichi
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Primary Examiner(s)Lappas, Jason
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Application NumberUS14/738,366Publication NumberTime in Patent Office1,376 DaysField of Search700282US Class CurrentCPC Class CodesG05B 19/0425 Safety, monitoringG05D 7/0641 using a plurality of thrott...G05F 1/66 Regulating electric power
