CN104534268A - Method and system for judging fake full gas refilling of LNG (liquefied natural gas) refilling machine - Google Patents
Method and system for judging fake full gas refilling of LNG (liquefied natural gas) refilling machine Download PDFInfo
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- CN104534268A CN104534268A CN201410830351.5A CN201410830351A CN104534268A CN 104534268 A CN104534268 A CN 104534268A CN 201410830351 A CN201410830351 A CN 201410830351A CN 104534268 A CN104534268 A CN 104534268A
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- flow speed
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Abstract
The invention discloses a method and a system for judging fake full gas refilling of an LNG (liquefied natural gas) refilling machine, wherein the method comprises the following steps: acquiring a gas refilling flow velocity value of the LNG refilling machine during gas refilling of a vehicle container in real time according to a first acquisition frequency; when the acquired gas refilling flow velocity value is smaller than a preset stop flow velocity value, acquiring a preset number of gas refilling flow velocity values according to a second acquisition frequency; when all the acquired preset number of the gas refilling flow velocity values are smaller than the preset stop flow velocity value, analyzing the changing trend of the preset number of the gas refilling flow velocity values; and if the changing trend of the preset number of the gas refilling flow velocity values is a growth trend, determining that the LNG refilling machine is in fake full gas refilling, and continuously refilling the vehicle container with gas. By adopting the method provided by the invention, the gas refilling flow velocity values smaller than the stop flow velocity value of the gas refilling machine can be judged, but when the vehicle container is not full with gas, the gas refilling flow velocity is reanalyzed to avoid error stop of the gas refilling machine.
Description
Technical field
The present invention relates to LNG filling machine technical field, be specifically related to the method and system that a kind of LNG of judgement filling machine puppet fills it up with gas.
Background technique
LNG filling machine in both cases, there will be the low mistakenly stop machine caused of flow velocity, and first is when starting to open pump, and flow velocity is lower than shutdown flow velocity, and can judge shutdown by accident, second is single pump two-shipper, due to the online shunting caused, causes flow velocity step-down, causes shutdown.
Summary of the invention
Technical problem to be solved by this invention is to provide the method and system that a kind of LNG of judgement filling machine puppet fills it up with gas; can judge that the aerating flow speed value of filling machine is less than shutdown flow speed value; but when not filling it up with gas to vehicle carried container, to adding analyzing again of gas velocity, make filling machine be unlikely to mistakenly stop machine.
The technological scheme that the present invention solves the problems of the technologies described above is as follows:
On the one hand, provide the method that a kind of LNG of judgement filling machine puppet fills it up with gas, described method comprises:
By the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating;
When the aerating flow speed value of described collection is lower than the shutdown flow speed value preset, gather the aerating flow speed value of predetermined number by the second frequency acquisition;
When the aerating flow speed value of the predetermined number of described collection is all less than default shutdown flow speed value, analyze the variation tendency of the aerating flow speed value of this predetermined number;
If the variation tendency of the aerating flow speed value of described predetermined number is growth trend, then determines that LNG filling machine puppet fills it up with gas, continue to vehicle carried container aerating.
On the other hand, provide the system that a kind of LNG of judgement filling machine puppet fills it up with gas, described system comprises:
First acquisition module, for according to the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating;
Second acquisition module, for when the aerating flow speed value of described collection is lower than the shutdown flow speed value preset, gathers the aerating flow speed value of predetermined number according to the second frequency acquisition;
Analysis of trend module, when the aerating flow speed value for the predetermined number when described collection is all less than default shutdown flow speed value, analyzes the variation tendency of the aerating flow speed value of this predetermined number;
Aerating module, if be growth trend for the variation tendency of the aerating flow speed value of described predetermined number, then determine that LNG filling machine puppet fills it up with gas, continues to vehicle carried container aerating.
A kind of LNG of judgement filling machine puppet provided by the invention fills it up with the method and system of gas, when filling machine is less than shutdown flow speed value to aerating flow speed value during vehicle carried container aerating, gather the aerating flow speed value of predetermined number, when the aerating flow speed value of the predetermined number gathered all is less than shutdown flow speed value, the aerating flow speed value of the predetermined number gathered is analyzed, analyze its variation tendency, according to the variation tendency of aerating flow speed value, judge whether filling machine fills it up with vehicle carried container, when the variation tendency of aerating flow speed value is growth trend, show not fill it up with gas, continue to vehicle carried container aerating, avoid the mistakenly stop machine because causing when aerating flow speed value is less than and shuts down flow speed value.
Accompanying drawing explanation
Fig. 1 is the pseudo-method flow diagram filling it up with gas of a kind of LNG of judgement filling machine of the embodiment of the present invention one;
Fig. 2 is the pseudo-whole realization flow figure filling it up with the method for gas of a kind of LNG of judgement filling machine of the embodiment of the present invention one;
Fig. 3 is the pseudo-system schematic filling it up with gas of a kind of LNG of judgement filling machine of the embodiment of the present invention two.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment one, a kind of LNG of judgement filling machine puppet fills it up with the method for gas.Below in conjunction with Fig. 1 and Fig. 2, the method that the present embodiment provides is described in detail.
See Fig. 1, S101, according to the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating.
S102, when aerating flow speed value is lower than the shutdown flow speed value preset, gather the aerating flow speed value of predetermined number according to the second frequency acquisition.
Concrete, can see Fig. 2, when LNG filling machine is in the process of vehicle carried container aerating, LNG filling machine can according to aerating flow speed value during the first frequency acquisition Real-time Collection aerating.When the aerating flow speed value collected is lower than predetermined shutdown flow speed value; show that now vehicle carried container likely fills it up with gas, but also likely do not fill it up with gas, such as; when filling machine starts to start; the aerating flow speed value of filling machine likely lower than shutdown flow velocity, in addition, when single pump two-shipper; due to the online shunting caused; likely cause adding gas velocity step-down, if now judge, vehicle carried container is to fill it up with gas, can cause the mistakenly stop machine of filling machine.
Therefore the present embodiment is analyzed aerating flow speed value, accurately judges now whether vehicle carried container fills it up with gas.When according to the first frequency acquisition Real-time Collection aerating flow speed value certain time lower than predetermined shutdown flow speed value time; improve frequency acquisition to the second frequency acquisition gathering aerating flow speed value; such as; frequency acquisition is doubled; make the aerating flow speed value of collection more intensive, the follow-up variation tendency that more can reflect aerating flow speed value.After improve frequency acquisition, the aerating flow speed value of predetermined number is gathered according to the second frequency acquisition, such as, gather N (N is the multiple of 3) individual aerating flow speed value, when in the process gathered, if when the N number of aerating flow speed value gathered is all lower than the shutdown flow speed value preset, this N number of aerating flow speed value gathered is stored in data storage areas; If in the process gathered, when collecting some aerating flow speed values and being greater than default shutdown flow speed value, the aerating flow speed value now then cleared data in storage area, carries out normal acquisition according to the first frequency acquisition again.
S103, when the aerating flow speed value of predetermined number gathered all be less than default shutdown add gas velocity time, analyze the variation tendency of the aerating flow speed value of this predetermined number.
Concrete; in above-mentioned steps; when the aerating flow speed value of the predetermined number according to the second frequency acquisition collection is all less than default shutdown flow speed value; this N number of aerating flow speed value is stored in data storage areas, and this N number of aerating flow speed value is divided into some groups, such as; be divided into N/3 group; to these some groups of aerating flow speed value averaged, such as, the mean value of each group of aerating flow speed value asked for be V1, V2 ... V (N/3).After asking for average aerating flow speed value, this mean value of some groups is analyzed, analyzes the variation tendency of these mean values.
If the variation tendency of the aerating flow speed value of S104 predetermined number is growth trend, then determines that LNG filling machine puppet fills it up with gas, continue to vehicle carried container aerating.
Concrete, the mean value of above-mentioned steps to the aerating flow speed value asked for has carried out the analysis of variation tendency, when the variation tendency analyzed is growth trend, namely meet ((V2>V1) || (V3>V1)) & & ((V3>V2) || (V4>V2)) & .... & & ((V (N/3) >V (N/3-2)) || (V (N/3-1) >V (N/3-2))) time, although show that the aerating flow speed value of filling machine is lower than shutdown flow speed value, but be an ever-increasing process, illustrate that vehicle carried container does not fill it up with gas, now filling machine does not stop aerating, continue to vehicle carried container aerating.If the mean value of the aerating flow speed value asked for is downward trend, explanation can not again to aerating in vehicle carried container, and filling machine will to stop in vehicle carried container aerating.
Embodiment two, a kind of LNG of judgement filling machine puppet fills it up with the system of gas.Below in conjunction with Fig. 3, the system that the present embodiment provides is described in detail.
In Fig. 3, the system that the present embodiment provides comprises the first acquisition module 200, second acquisition module 201, memory module 202, remove module 203, divide module 204, mean value asks for module 205, analysis of trend module 206 and aerating module 207.
Wherein, the first acquisition module 200 is mainly used according to the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating.
Second acquisition module 201 is mainly used in, when the aerating flow speed value that the first acquisition module 200 gathers is lower than the shutdown flow speed value preset, gathering the aerating flow speed value of predetermined number according to the second frequency acquisition.
Concrete, when LNG filling machine is in the process of vehicle carried container aerating, the first acquisition module 200 in LNG filling machine can according to aerating flow speed value during the first frequency acquisition Real-time Collection aerating.When the aerating flow speed value collected is lower than predetermined shutdown flow speed value; show that now vehicle carried container likely fills it up with gas, but also likely do not fill it up with gas, such as; when filling machine starts to start; the aerating flow speed value of filling machine likely lower than shutdown flow speed value, in addition, when single pump two-shipper; due to the online shunting caused; likely cause adding gas velocity step-down, if now judge, vehicle carried container is to fill it up with gas, can cause the mistakenly stop machine of filling machine.
Therefore the present embodiment is analyzed aerating flow speed value, accurately judges now whether vehicle carried container fills it up with gas.When the first acquisition module 200 according to the first frequency acquisition Real-time Collection aerating flow speed value certain time lower than predetermined shutdown flow speed value time; second acquisition module 201 improves frequency acquisition to the second frequency acquisition gathering aerating flow speed value; such as; frequency acquisition is doubled; make the aerating flow speed value of collection more intensive, the follow-up variation tendency that more can reflect aerating flow speed value.After first frequency acquisition is increased to the second frequency acquisition by the second acquisition module 201, the aerating flow speed value of predetermined number is gathered according to the second frequency acquisition, such as, gather N (N is the multiple of 3) individual aerating flow speed value, when in the process gathered, if when the N number of aerating flow speed value gathered is all lower than the shutdown flow speed value preset, N number of aerating flow speed value that this gathers by memory module 202 is stored in data storage areas; If in the process gathered; when the second acquisition module 201 collect some aerating flow speed values be greater than default shutdown flow speed value time; now then removing module 203 removes the aerating flow speed value in storage area, and the first acquisition module 200 carries out normal acquisition according to the first frequency acquisition again.Analysis of trend module 206 be mainly used in when the aerating flow speed value of predetermined number that the second acquisition module 201 gathers all be less than default shutdown add gas velocity time, analyze the variation tendency of the aerating flow speed value of this predetermined number.
Concrete; when the aerating flow speed value of the predetermined number that the second acquisition module 201 gathers all is less than default shutdown flow speed value; this N number of aerating flow speed value is stored in data storage areas by memory module 202; divide module 204 and this N number of aerating flow speed value is divided into some groups; such as, be divided into N/3 group, mean value asks for module 205 to these some groups of aerating flow speed value averaged; such as, the mean value of each group of aerating flow speed value asked for be V1, V2 ... V (N/3).Mean value is asked for after module 205 asks for average aerating flow speed value, and analysis of trend module 206 is analyzed this mean value of some groups, analyzes the variation tendency of these mean values.
If the variation tendency that aerating module 207 is mainly used in the aerating flow speed value of the predetermined number that analysis of trend module 206 analyzes is growth trend, then determines that LNG filling machine puppet fills it up with gas, continue to vehicle carried container aerating.
Concrete, the mean value of analysis of trend module 206 to the aerating flow speed value asked for has carried out the analysis of variation tendency, when the variation tendency analyzed is growth trend, namely meet ((V2>V1) || (V3>V1)) & & ((V3>V2) || (V4>V2)) & .... & & ((V (N/3) >V (N/3-2)) || (V (N/3-1) >V (N/3-2))) time, although show that the aerating flow speed value of filling machine is lower than shutdown flow speed value, but be an ever-increasing process, illustrate that vehicle carried container does not fill it up with gas, now filling machine does not stop aerating, aerating module 207 continues to vehicle carried container aerating.If the mean value of the aerating flow speed value that analysis of trend module 206 analyzes is downward trend, explanation can not again to aerating in vehicle carried container, and the aerating module 207 in filling machine will to stop in vehicle carried container aerating.
A kind of LNG of judgement filling machine puppet provided by the invention fills it up with the method and system of gas, when filling machine is less than shutdown flow speed value to aerating flow speed value during vehicle carried container aerating, gather the aerating flow speed value of predetermined number, when the aerating flow speed value of the predetermined number gathered all is less than shutdown flow speed value, the aerating flow speed value of the predetermined number gathered is analyzed, analyze its variation tendency, according to the variation tendency of aerating flow speed value, judge whether filling machine fills it up with vehicle carried container, when the variation tendency of aerating flow speed value is growth trend, show not fill it up with gas in vehicle carried container, then filling machine continues to vehicle carried container aerating, avoid the mistakenly stop machine because causing when aerating flow speed value is less than and shuts down flow speed value.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. judge that LNG filling machine puppet fills it up with a method for gas, it is characterized in that, described method comprises:
Step S101, by the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating;
Step S102, when the aerating flow speed value of described collection is lower than the shutdown flow speed value preset, gather the aerating flow speed value of predetermined number by the second frequency acquisition;
Step S103, when the aerating flow speed value of the predetermined number of described collection is all less than default shutdown flow speed value, analyze the variation tendency of the aerating flow speed value of this predetermined number;
If the variation tendency of the aerating flow speed value of the described predetermined number of step S104 is growth trend, then determines that LNG filling machine puppet fills it up with gas, continue to vehicle carried container aerating.
2. a kind of LNG of judgement filling machine puppet as claimed in claim 1 fills it up with the method for gas, and it is characterized in that, described step S102 comprises:
When described aerating flow speed value is lower than the shutdown flow speed value preset, the frequency acquisition of aerating flow speed value is brought up to the second frequency acquisition from the first frequency acquisition, and gathers the aerating flow speed value of predetermined number according to the second frequency acquisition.
3. a kind of LNG of judgement filling machine puppet as claimed in claim 1 fills it up with the method for gas, and it is characterized in that, described step S103 comprises:
When the aerating flow speed value of the predetermined number of described collection is all less than default shutdown flow speed value, the aerating flow speed value of described predetermined number is stored in data storage areas, and the aerating flow speed value of predetermined number is divided into some groups;
Ask for the average aerating flow speed value of described some groups of aerating flow speed values, analyze the variation tendency of the average aerating flow speed value of described some groups.
4. a kind of LNG of judgement filling machine puppet as claimed in claim 3 fills it up with the method for gas, and it is characterized in that, described step S103 also comprises:
When in the process of aerating flow speed value gathering predetermined number, if collect some aerating flow speed values when being greater than default shutdown flow speed value, the aerating flow speed value cleared data in storage area, and according to the first frequency acquisition Resurvey.
5. a kind of LNG of judgement filling machine puppet as claimed in claim 1 fills it up with the method for gas, and it is characterized in that, described step S104 also comprises:
If the variation tendency of the aerating flow speed value of described predetermined number is downward trend, then stop to vehicle carried container aerating.
6. judge that LNG filling machine puppet fills it up with a system for gas, it is characterized in that, described system comprises:
First acquisition module, for according to the first frequency acquisition Real-time Collection LNG filling machine to aerating flow speed value during vehicle carried container aerating;
Second acquisition module, for when the aerating flow speed value of described collection is lower than the shutdown flow speed value preset, gathers the aerating flow speed value of predetermined number according to the second frequency acquisition;
Analysis of trend module, when the aerating flow speed value for the predetermined number when described collection is all less than default shutdown flow speed value, analyzes the variation tendency of the aerating flow speed value of this predetermined number;
Aerating module, if be growth trend for the variation tendency of the aerating flow speed value of described predetermined number, then determine that LNG filling machine puppet fills it up with gas, continues to vehicle carried container aerating.
7. a kind of LNG of judgement filling machine puppet as claimed in claim 6 fills it up with the system of gas; it is characterized in that; described second acquisition module, for when described aerating flow speed value is lower than the shutdown flow speed value preset, the aerating flow speed value gathering predetermined number according to the second frequency acquisition specifically comprises:
When described aerating flow speed value is lower than the shutdown flow speed value preset, the first frequency acquisition of aerating flow speed value is increased to the second frequency acquisition, and gathers the aerating flow speed value of predetermined number according to the second frequency acquisition.
8. a kind of LNG of judgement filling machine puppet as claimed in claim 6 fills it up with the system of gas, it is characterized in that, also comprises:
Memory module, when the aerating flow speed value for the predetermined number when described collection is all less than default shutdown flow speed value, stores the aerating flow speed value of described predetermined number;
Divide module, the aerating flow speed value for the predetermined number by described storage is divided into some groups;
Mean value asks for module, for asking for the average aerating flow speed value of described some groups of aerating flow speed values;
The variation tendency of average aerating flow speed value of some groups described in described analysis of trend module analysis.
9. a kind of LNG of judgement filling machine puppet as claimed in claim 6 fills it up with the system of gas, it is characterized in that, also comprises:
Remove module; for working as in the process of the aerating flow speed value gathering predetermined number; if collect some aerating flow speed values when being greater than default shutdown flow speed value, the aerating flow speed value cleared data in storage area, described first acquisition module is according to the first frequency acquisition Resurvey.
10. a kind of LNG of judgement filling machine puppet as claimed in claim 6 fills it up with the system of gas, it is characterized in that, described aerating module also for:
If the variation tendency of the aerating flow speed value of described predetermined number is downward trend, then stop to vehicle carried container aerating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410830351.5A CN104534268B (en) | 2014-12-25 | 2014-12-25 | Method and system for judging fake full gas refilling of LNG (liquefied natural gas) refilling machine |
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| CN201410830351.5A CN104534268B (en) | 2014-12-25 | 2014-12-25 | Method and system for judging fake full gas refilling of LNG (liquefied natural gas) refilling machine |
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| CN104534268B CN104534268B (en) | 2017-03-22 |
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| US20120267002A1 (en) * | 2009-10-21 | 2012-10-25 | Nel Hydrogen As | Method for the operation and control of gas filling |
| CN202647190U (en) * | 2012-04-27 | 2013-01-02 | 重庆耐德能源装备集成有限公司 | Gas filling machine adopting CPU (Central Processing Unit) card reader |
| CN203068130U (en) * | 2013-01-30 | 2013-07-17 | 成都华气厚普机电设备股份有限公司 | Electrical control system of general LNG (Liquefied Natural Gas) charging machine |
| CN103267224A (en) * | 2013-06-03 | 2013-08-28 | 北京大道东方能源设备有限公司 | Self-feedback control method of gas dispenser |
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2014
- 2014-12-25 CN CN201410830351.5A patent/CN104534268B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258299A (en) * | 1986-04-30 | 1987-11-10 | Kawasaki Heavy Ind Ltd | Motor for use in liquefied gas storage tank |
| US20120267002A1 (en) * | 2009-10-21 | 2012-10-25 | Nel Hydrogen As | Method for the operation and control of gas filling |
| CN202074234U (en) * | 2011-01-25 | 2011-12-14 | 重庆耐德能源装备集成有限公司 | Gas dispenser controlled by microcomputer |
| CN202349591U (en) * | 2011-11-11 | 2012-07-25 | 何建华 | Calibration device of liquefied natural gas (LNG) dispenser |
| CN202647190U (en) * | 2012-04-27 | 2013-01-02 | 重庆耐德能源装备集成有限公司 | Gas filling machine adopting CPU (Central Processing Unit) card reader |
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