阅读说明：本技术 用于测量被引入到储器中的气体量的方法以及填充站 (Method for measuring the amount of gas introduced into a reservoir and filling station ) 是由 蒂博·弗朗索瓦 马库斯·巴克 于 2018-03-29 设计创作，主要内容包括：一种用于测量经由设有填充管(4)的填充站(1)被引入到气体储器(2)中的气体量的方法,该填充管线包括连接到至少一个加压气体源(5)上的上游端(3)和连接到要填充的气体储器(2)上的下游端(8),该填充管(4)包括流量计(9)和被定位在该流量计与该填充管的下游端(8)之间的下游隔离阀(6),该方法包括：将气体从该源(5)转移到该储器(2)的步骤,在该步骤期间该下游隔离阀(6)打开；中断气体转移的步骤,在该步骤中该下游阀(6)关闭,该方法还包括经由该流量计(9)测量在该转移步骤期间所转移的气体量的步骤,并且其特征在于该方法包括生成所转移的气体的校正量信号的步骤,所转移的气体的校正量是通过将预定的正或负校正量加到由该流量计(9)在该转移步骤期间测量的所转移的气体量上而获得的。(A method for measuring the amount of gas introduced into a gas reservoir (2) via a filling station (1) provided with a filling tube (4), the filling line comprising an upstream end (3) connected to at least one source (5) of pressurized gas and a downstream end (8) connected to the gas reservoir (2) to be filled, the filling tube (4) comprising a flow meter (9) and a downstream isolation valve (6) positioned between the flow meter and the downstream end (8) of the filling tube, the method comprising: a step of transferring gas from the source (5) to the reservoir (2), during which the downstream isolation valve (6) is opened; -a step of interrupting the gas transfer, in which the downstream valve (6) is closed, the method further comprising a step of measuring the amount of gas transferred during the transfer step via the flow meter (9), and characterized in that the method comprises a step of generating a correction signal of the transferred gas, the correction of the transferred gas being obtained by adding a predetermined positive or negative correction to the amount of transferred gas measured by the flow meter (9) during the transfer step.)

1. A method for measuring the amount of gas introduced into a gas reservoir (2) via a filling station (1) provided with a filling tube (4) comprising an upstream end (3) connected to at least one source (5) of pressurized gas and a downstream end (8) connected to the reservoir (2) to be filled (6), the filling tube (4) comprising a flow meter (9) and a downstream isolation valve positioned between the flow meter (9) and the downstream end (8) of the filling tube, the method comprising: a step of transferring gas from the source (5) to the reservoir (2), during which the downstream isolation valve (6) is opened; -a step of interrupting the gas transfer by closing the downstream valve (6), the method comprising a step of measuring the amount of gas transferred during the transfer step using the flow meter (9), the method comprising a step of generating a signal indicative of a correction amount of the transferred gas, characterized in that the correction amount of the transferred gas is obtained by adding a positive or negative determined correction amount to the amount of transferred gas measured by the flow meter (9) during the transfer step, the determined correction amount being the difference between the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) before the transfer step on the one hand and the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) during and/or at the end of the transfer step on the other hand.

2. The method according to claim 1, characterized in that the amount of gas located downstream of the flow meter (9) in the filling pipe (4) is calculated by a predetermined equation of state applied to the gas, such as an ideal gas or real gas equation, and from a known volume (V) of the filling pipe (4) downstream of the flow meter (9), from a pressure measured (15) in the filling pipe (4) downstream of the flow meter (9), from a known property of the gas and in particular its molar mass or density, and from a measured or estimated temperature (25) of the gas.

3. The method according to claim 2, characterized in that the volume (V) of the filling pipe (4) downstream of the flow meter (9) is the sum of a first known Volume (VA) of the filling pipe (4) between the flow meter (9) and the downstream isolation valve (6) and a second known Volume (VB) of the filling pipe (4) between the downstream isolation valve (6) and the downstream end of the filling pipe (4), before or during/after the transferring step, the amount of gas downstream of the flow meter (9) in the filling pipe (4) is calculated as the sum of the amounts of gas in the first Volume (VA) and the second Volume (VB), respectively, which are determined by predetermined state equations applied to the first Volume (VA) and the second Volume (VB), respectively, such as an ideal gas or real gas equation, calculated from the pressure measured (15) in the filling pipe (4) and in said volumes (VA, VB), from the known properties of said gas and in particular its molar mass or density, and from the measured (25) or estimated temperature of the gas in said volumes (VA, VB), respectively (VA + VB).

4. A method according to claim 3, characterized by determining the measured or calculated gas amount located downstream of the flow meter (9) in the filling pipe (4) prior to the transferring step while the downstream isolation valve (6) is closed and while the first Volume (VA) is at the pressure of the pressurized gas source (5), i.e. while the first Volume (VA) is in fluid communication with the pressurized gas source (5).

5. The method as claimed in claim 3 or 4, characterized in that the filling pipe (4) comprises a heat exchanger (7) for cooling the gas between the flow meter (9) and the downstream isolation valve (6), the first Volume (VA) consisting of a first section (VA1) between the flow meter (9) and the inlet of the heat exchanger (7) and a second section between the heat exchanger (7) and the downstream isolation valve (6), and the amount of gas in the first Volume (VA) is calculated as the sum of the amounts of gas in said sections (VA 32, VA2), the volumes of which are known, and the respective pressures or temperatures of the gases are measured (15, 25, 35) or estimated separately in these sections 1.

6. The method according to any one of claims 3 to 5, characterized in that the amount of gas located downstream of the flow meter (9) in the filling tube (4) before the transferring step is measured or calculated while the downstream isolation valve (6) is closed and while the second Volume (VB) is at the pressure of the reservoir (2) to be filled, i.e. while the second Volume (VB) is in fluid communication with the reservoir (2).

7. The method according to any one of claims 1 to 6, characterized in that the filling pipe (4) comprises, downstream of the downstream isolation valve (6), a controlled purge valve (10) configured to allow purging of the filling pipe (4), and the measured or calculated amount of gas downstream of the flow meter (9) in the filling pipe (4) before and after the transferring step is determined at the same time as the purge valve (10) is closed and, if at all, before the purging step, which comprises opening the purge valve (10) after the transferring step.

8. A method according to claim 7, characterized by measuring the pressure in the filling pipe (4) downstream of the flow meter (9) measured (15, 35) when the purge valve (10) is closed.

9. The method according to any one of claims 1 to 8, characterized in that the step of generating a signal indicative of a correction amount of the transferred gas is performed during the transfer step, in particular periodically, continuously or intermittently during the transfer step, and possibly at or after the end of the transfer step.

10. The method according to claim 9, characterized in that the step of generating a signal indicative of the correction amount of the diverted gas is performed several times during the diverting step, which means that the difference between the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) before the diverting step on the one hand and the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) during the filling on the other hand is calculated several times during the filling at successive times.

11. The method of claim 9, wherein a last generated signal indicative of a correction amount of transferred gas replaces a previous signal indicative of a correction amount of transferred gas previously generated during the same filling operation.

12. Method according to claim 9 or 10, characterized in that when displaying and/or charging and/or sending data relating to the amount of gas introduced into the reservoir (2) during the filling, the most recent value of the amount of gas transferred is taken into account, which means that the amount of gas introduced into the reservoir (2) is periodically or continuously updated during the filling according to variable values, which are the measured amount of transferred gas measured by the flow meter during the filling and the correction amount determined during the filling.

13. The method according to any one of claims 1 to 12, characterized in that the flow meter (9) is of the type that generates an electrical signal in the form of successive pulses, each pulse corresponding to a basic gas measurement quantity, and the generation of the signal indicating the correction quantity of the transferred gas is obtained by modifying the step of at least one of: a value of a base gas amount corresponding to a pulse generated by the flow meter (9) and/or a number of pulses generated by the flow meter (9) and/or a frequency at which pulses generated by the flow meter (9) are emitted and/or a number of pulses counted from pulses generated by the flow meter (9).

14. The method according to any one of claims 1 to 13, characterized in that the filling station (1) comprises electronic data processing and storage means (12), in particular a microprocessor and/or a computer, said electronic means (12) being configured to receive a signal indicative of the amount of gas transferred measured by the flow meter (9) during the transfer step and to calculate and/or receive and/or transmit and/or display a signal indicative of a correction amount of the transferred gas.

15. A method according to any one of claims 1 to 14, characterized in that a signal indicative of the amount of correction of the transferred gas is used for the step of calculating the charge to be charged for the amount of gas introduced into the reservoir (2).

16. Filling station for filling a tank with a pressurized fluid, in particular with pressurized hydrogen, comprising a filling pipe (4) comprising an upstream end (3) connected to at least one source (5) of pressurized gas and at least one downstream end (8) intended to be connected to a tank (2) to be filled, the filling pipe (4) comprising a flow meter (9) and at least one downstream isolation valve (6) positioned between the flow meter and the downstream end (8) of the filling pipe, the at least one valve (6) operating in a manner allowing the step of transferring gas from the source (5) to the tank (2), the flow meter (9) being configured to measure the amount of transferred gas and to generate a corresponding signal, the station (1) comprising electronic data processing and storage means (12), in particular comprising a microprocessor or computer, the electronic device (12) is configured to receive the signal from the flow meter (9) and to generate a signal indicative of a correction amount of the diverted gas, characterized in that the correction amount of the diverted gas is obtained by adding a positive or negative determined correction amount to the measured amount of the diverted gas measured by the flow meter (9) during the diverting step, the determined correction amount being the difference between the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) before the diverting step on the one hand and the measured or calculated amount of gas located downstream of the flow meter (9) in the filling pipe (4) during and/or at the end of the diverting step on the other hand.