Hydrogen gas inventory acquisition method, hydrogen gas inventory acquisition device, hydrogen gas inventory acquisition system, and hydrogen gas inventory management system

Patent metadata

Field	Value
Publication number	US-12379072-B2
Application number	US-202017441900-A
Country	US
Kind code	B2
Filing date	Mar 25, 2020
Priority date	Mar 27, 2019
Publication date	Aug 5, 2025
Grant date	Aug 5, 2025

Abstract

A hydrogen gas inventory acquisition system configured to acquire an inventory of a hydrogen gas in a plurality of off-site hydrogen stations, includes a log data creation device configured to create log data obtained by recording each parameter data sampled at an individual sampling timing set to each hydrogen station of the plurality of off-site hydrogen stations in combination with identification information of each of the plurality of off-site hydrogen stations from a plurality of parameter data measured by a plurality of meters disposed in the each hydrogen station to calculate an inventory of the hydrogen gas in the each hydrogen station; an inventory calculation device configured to calculate the inventory of the hydrogen gas at an individual calculation timing set to the each hydrogen station by using the log data; and a sorting device configured to acquire inventory data of the hydrogen gas in the each hydrogen station.

First claim

The invention claimed is:

1. A hydrogen gas inventory acquisition system configured to acquire an inventory of a hydrogen gas in a plurality of hydrogen stations, the system comprising:
a log data creation device configured to create log data obtained by recording each parameter data sampled at an individual sampling timing set individually to each hydrogen station of the plurality of hydrogen stations in combination with identification information of each of the plurality of hydrogen stations from a plurality of parameter data measured by a plurality of meters disposed in the each hydrogen station to calculate an inventory of the hydrogen gas in the each hydrogen station; and
an inventory calculation device configured to calculate the inventory of the hydrogen gas at an individual calculation timing set individually to the each hydrogen station by using the log data,
wherein the individual sampling timings are different for the each hydrogen station.

2. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the each hydrogen station pertains to any one group among a plurality of groups, and
the system further comprising,
an inventory-per-group creation device configured to create inventory-per-group data by aggregating an inventory of each hydrogen station pertaining to a group among the plurality of groups for the group, and
an inventory-per-group data transmission device configured to transmit the inventory-per-group data to the each hydrogen station.

3. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the each hydrogen station includes an accumulator configured to accumulate a hydrogen gas, and
the plurality of parameter data includes pressure data of the hydrogen gas inside the accumulator, and temperature data capable of being estimated as a temperature of the hydrogen gas inside the accumulator.

4. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the each hydrogen station includes a compressor configured to compress a hydrogen gas, and
the individual calculation timing is an operation stoppage timing of the compressor.

5. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the individual calculation timing is time when supply of the hydrogen gas to a fuel cell vehicle is terminated.

6. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the each hydrogen station includes an intermediate accumulator configured to accumulate a hydrogen gas unloaded from a trailer configured to transport the hydrogen gas, and a high-pressure accumulator configured to accumulate a hydrogen gas compressed to a higher pressure in comparison to the intermediate accumulator, and
as the individual calculation timing, termination time of unloading of the hydrogen gas from the trailer to the intermediate accumulator is used.

7. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the log data creation device is disposed in the each hydrogen station, the inventory calculation device is disposed in a data center different from the each hydrogen station, and the log data creation device and the inventory calculation device are connected to each other over a network.

8. The hydrogen gas inventory acquisition system according to claim 1 ,
wherein the log data creation device and the inventory calculation device are disposed in the each hydrogen station.

9. The hydrogen gas inventory acquisition system according to claim 1 , further comprising:
a sorting device configured to acquire inventory data of the hydrogen gas in the each hydrogen station from the inventory calculation device for each set time period, and configured to sort the identification information by using the inventory; and
a sorting data output device configured to output sorting data including a sorted identification information and the inventory data from the sorting device.

10. A hydrogen gas inventory acquisition method of acquiring an inventory of a hydrogen gas in a plurality of hydrogen stations, the method comprising:
creating log data obtained by recording each parameter data sampled at an individual sampling timing set individually to each hydrogen station of the plurality of hydrogen stations in combination with identification information of the each hydrogen station from a plurality of parameter data measured by a plurality of meters disposed in the each hydrogen station to calculate an inventory of the hydrogen gas in the each hydrogen station;
calculating the inventory of the hydrogen gas at an individual calculation timing set individually to the each hydrogen station by using the log data;
acquiring inventory data of the hydrogen gas in the each hydrogen station on the basis of the inventory calculated in the calculating the inventory for each set time period, and sorting the identification information by using the inventory; and
outputting sorting data including a sorted identification information and the inventory data,
wherein the individual sampling timings are different for the each hydrogen station.

11. A hydrogen gas inventory acquisition device configured to acquire an inventory of a hydrogen gas in a plurality of hydrogen stations, the device comprising:
a log data creator configured to create log data obtained by recording each parameter data sampled at an individual sampling timing set individually to each hydrogen station of the plurality of hydrogen stations in combination with identification information of the each hydrogen station from a plurality of parameter data measured by a plurality of meters disposed in the each hydrogen station to calculate an inventory of the hydrogen gas in the each hydrogen station;
an inventory calculator configured to calculate the inventory of the hydrogen gas at an individual calculation timing set individually to the each hydrogen station by using the log data;
a sorter configured to acquire inventory data of the hydrogen gas in the each hydrogen station from the inventory calculator for each set time period, and configured to sort the identification information by using the inventory; and
a sorting data output configured to output sorting data including a sorted identification information and the inventory data from the sorter,
wherein the individual sampling timings are different for the each hydrogen station.

12. A hydrogen gas inventory management system configured to manage an inventory of a hydrogen gas in a plurality of hydrogen stations, the system comprising:
a log data creation device configured to create log data obtained by recording a pressure value sampled at an individual sampling timing set individually to each hydrogen station of the plurality of hydrogen stations in combination with identification information of the each hydrogen station from pressure values measured by a pressure gauge disposed in the each hydrogen station;
a sorting device configured to acquire the pressure value of the hydrogen gas in the each hydrogen station from the log data creation device for each set time period, and configured to sort the identification information by using the pressure value; and
a sorting data output device configured to output sorting data including a sorted identification information and the pressure value from the sorting device,
wherein the individual sampling timings are different for the each hydrogen station.

13. A hydrogen gas inventory acquisition method comprising:
inputting log data of a plurality of parameters sampled from data of the plurality of parameters measured by a plurality of meters disposed in a hydrogen station among a plurality

Assignees

• Eneos Corp

Inventors

• Asai Shigeru
• Seike Tadashi
• Suzuki Shuuichi
• Obata Nanako
• Itabashi Takayuki
• Maeda Seiji

Classifications

• G06Q50/06

  Energy or water supply · CPC title

• F17C2250/0473

  Time or time periods · CPC title

• F17C2250/0439

  Temperature · CPC title

• F17C2250/032

  using computers · CPC title

• F17C2221/012

  Hydrogen · CPC title