Method for measuring the amount of gas introduced into a reservoir and corresponding filling station

文档序号:1661584 发布日期:2019-12-27 浏览:38次 中文

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对应的填充站 (Method for measuring the amount of gas introduced into a reservoir and corresponding filling station ) 是由 蒂博·弗朗索瓦 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)之间的至少一个下游隔离阀(6),该方法包括:将气体从该源(5)转移到储器(2)的步骤,在该步骤期间该下游隔离阀(6)打开;中断该气体转移的步骤,在该步骤中该下游阀(6)关闭,该方法还包括经由该流量计(5)测量在该转移步骤期间转移的气体量的步骤,并且该方法包括生成所转移的气体的校正量信号的步骤,通过将该流量计(5)在该转移步骤期间测量的所转移的气体量增加或减少预定校正量而获得所转移的气体的校正量。(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, the filling tube (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 tube, the method comprising: a step of transferring gas from the source (5) to a 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 (5), and the method comprising a step of generating a correction amount signal of the transferred gas, the correction amount of the transferred gas being obtained by increasing or decreasing the amount of transferred gas measured by the flow meter (5) during the transfer step by a predetermined correction amount.)

1. A method for measuring the amount of gas introduced into a gas reservoir (2) via a filling station (1) equipped 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, the filling tube (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 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 (5), the method comprising a step of generating a signal indicative of a correction amount of the transferred gas, the correction amount of the transferred gas being obtained by reducing or increasing the amount of transferred gas measured by the flow meter (5) during the transfer step by the determined correction amount, characterized in that the flow meter (5) is of the type generating an electric signal in the form of successive pulses, each pulse corresponding to a basic gas measurement quantity, and the generation of the signal indicative of the correction amount of the transferred gas is obtained by a step of modifying at least one of: a value of a base gas amount corresponding to a pulse generated by the flow meter (5) and/or a number of pulses generated by the flow meter (5) and/or a frequency at which pulses generated by the flow meter (5) are emitted and/or a number of pulses counted from pulses generated by the flow meter (5).

2. A method according to claim 1, characterized in that the generation of the signal indicative of the correction amount of the diverted gas is obtained by subtracting the determined pulse amount from or adding it to the pulses generated by the flow meter (5).

3. The method according to any one of claims 1 and 2, characterized in that the modifying step is performed by modifying (up-or down-regulating) the frequency of pulses generated by the flow meter (5), i.e. by removing or adding a determined length of time from or to a time interval separating consecutive pulses generated by the flow meter (5).

4. A method according to any one of claims 1 to 3, characterized in that the determined gas correction is a determined proportion of the amount of gas measured by the flow meter (5) during the transfer step.

5. The method according to claim 4, characterized in that the determined ratio is fixed, that is to say independent of the operating conditions of the filling step; or variable, that is to say dependent on the operating conditions of the filling step.

6. The method according to any one of claims 1 to 5, characterized in that the filling pipe (4) comprises a controlled purge valve (10) downstream of the downstream isolation valve (6), the method comprising the step of bleeding at least some of the pressurized gas trapped in the downstream portion of the filling pipe (4) outside the filling pipe (4) after the transferring step.

7. A method according to claim 6 in combination with any one of claims 1 to 5, wherein the determined gas correction is a determined percentage of the amount of gas discharged during the gas bleed step.

8. The method according to claim 7, wherein the percentage is varied according to the operating conditions of the filling step, in particular according to the pressure variations measured (15) in the transfer line (4) during the transfer step, said percentage being calculated periodically during the filling step, in particular at the end of the transfer step.

9. The method as claimed in claim 8, characterized in that the percentage is proportional to the pressure in the transfer line (4).

10. The method according to any one of claims 8 and 9, characterized in that the percentage is proportional to the difference (P-Pi) between the pressure (P) in the transfer line (4) measured (15) during the transfer step or at the end of the transfer step on the one hand and the pressure (Pi) in the transfer line after the deflation step on the other hand.

11. The method according to any one of claims 7 to 10, characterized in that the percentage is comprised between 100% and 0%, preferably between 95% and 75%.

12. The method according to any one of claims 6 to 11, characterized in that the filling pipe (4) comprises a deflation flow meter (11) configured to measure the amount of gas discharged during the deflation step.

13. Method according to one of claims 2 to 12, characterized in that the modification step is carried out during the transfer step, in particular in a temporally uniformly distributed manner during the transfer step and/or at or after the end of the transfer step.

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 flowmeter (5) during the transferring 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 pressurized fluid reservoir, in particular a pressurized hydrogen reservoir, comprising a filling tube (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 reservoir (2) to be filled, the filling tube (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 tube, the at least one valve (6) operating in a manner allowing a step of transferring gas from the source (5) to the reservoir (2), the flow meter (5) being configured for measuring the amount of transferred gas and generating in response a corresponding signal, the station (1) comprising electronic data processing and storage means (12), in particular comprising a microprocessor or computer, the electronic means (12) are configured for receiving the signal from the flowmeter and generating a signal indicative of a correction amount of the gas displaced, obtained by decreasing or increasing the amount of gas displaced measured by the flowmeter (5) during the displacement by a determined correction amount, characterized in that the flowmeter (5) is of the type that generates an electric signal in the form of successive pulses, each pulse corresponding to a basic gas measurement amount, and the generation of the signal indicative of a correction amount of the gas displaced is obtained by modifying the steps of at least one of: a value of a base gas amount corresponding to a pulse generated by the flow meter (5) and/or a number of pulses generated by the flow meter (5) and/or a frequency at which pulses generated by the flow meter (5) are emitted and/or a number of pulses counted from pulses generated by the flow meter (5).

13页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:用于测量被引入到储器中的气体量的方法以及填充站

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!