CN102339502A - Method and system for controlling gas meter based on system instruction and user operation - Google Patents
Method and system for controlling gas meter based on system instruction and user operation Download PDFInfo
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- CN102339502A CN102339502A CN2010105017176A CN201010501717A CN102339502A CN 102339502 A CN102339502 A CN 102339502A CN 2010105017176 A CN2010105017176 A CN 2010105017176A CN 201010501717 A CN201010501717 A CN 201010501717A CN 102339502 A CN102339502 A CN 102339502A
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Abstract
The invention relates to a method and a system for controlling a gas meter based on a system instruction and user operation, and belongs to the technical field of gas meter control. The method comprises the following steps that: a valve closing judgment module on the gas meter sends a valve closing instruction when a judgment condition is met according to the judgment condition; a valve execution mechanism on the gas meter performs a valve closing action immediately after receiving the valve closing instruction, and enters a valve closing state; a valve opening judgment module judges whether a valve opening permission condition is met or not according to an environment state, sends a valve opening permission instruction if the condition is met, and enters a valve opening permission state; a non-automatic electric state change detection module judges whether a predetermined non-automatic electric state change occurs or not; and the valve execution mechanism on the gas meter receives the valve opening instruction in the valve opening permission state, performs a valve opening action immediately and enters a valve opening state. The system avoids the dangerous condition that a gas valve is opened and leaks all the time when a user is ignorant of the condition.
Description
Technical field
The present invention relates to instrument control technology field, particularly a kind of gas meter, flow meter control method and system based on system directive and user's operation.
Background technology
At present, the application of gas meter, flow meter almost is an every household, measures greatly to this client, and the situation of relatively disperseing is again managed it and just to be seemed more and more important, and particularly coal gas will produce serious accident if leak.
Along with development of science and technology; The progress of society; The wireless gas table appeared at we life around, simultaneously corresponding IC-card technology such as pay the fees also has been tending towards ripe gradually, the staff of Gas Company just need not to check meter to the doorstep like this; Practice thrift a large amount of manpowers, simultaneously also avoided the user to stay out and situation about can't check meter.But like this variety of problems will appear; Particularly, Gas Company uses up when finding user's pre-payment; Be in the arrearage state, user's gas meter, flow meter is in idle state always in the regular hour, detects gas facility and is in the gas leakage state; And the brownout of gas meter, flow meter situation about can't work or the like, at this moment gas meter, flow meter can close valve automatically.But after above-mentioned these situation had solved, in order to guarantee user's the timely gas of using, gas meter, flow meter meeting automatic valve opening still existed great potential safety hazard like this.Such as in present wireless gas table business, the user is owing to long-term arrearage, and the personnel of Gas Company can order by valve in the wireless pass of outdoor transmission, and after gas meter, flow meter was received and closed the valve order, valve events was closed in execution immediately.Forget when user's gas range and to turn off, and after paying arrears arrearage, the personnel of Gas Company open the valve order in outdoor transmission, gas meter, flow meter is just carried out immediately and is opened valve events, and coal gas will be gone out from gas range end earial drainage, causes security incident.
And this gas meter, flow meter control method and system based on system directive and user's operation that the present invention will provide must can ventilate through user's operation.Avoided under the unwitting situation of user, gas valve is opened, and the dangerous situation of gas leakage always takes place.
Summary of the invention
The objective of the invention is to, provide a kind of gas meter, flow meter receiving system directive, simultaneously the user pass through in person operation associated after, could open the method and system of combustion gas again.Utilize this method, under the situation that the user stays out, the gas meter, flow meter automatic valve opening can not take place, the phenomenon that combustion gas is revealed just can not take place yet.
A kind of gas meter, flow meter control method based on system directive and user's operation, this method comprises the steps:
Step 1, under the valve opening state, the pass valve judge module on the gas meter, flow meter is according to Rule of judgment, closes the valve instruction meeting to send under the situation of Rule of judgment;
Step 2, valve actuator on the gas meter, flow meter, receive close the valve instruction after, carry out immediately and close valve events, get into the valve closing state;
Step 3 under the valve closing state, is come according to ambient condition by opening the valve judge module, judges whether to satisfy the condition that allows to open valve, as satisfies condition, and sends and allows out the valve instruction, gets into the valve state that allows out;
Step 4 is allowing out under the valve state, and non-automatic electric state changes detection module and judges whether that the non-automatic electric state of being scheduled to changes, and as taking place, sends out the valve instruction;
Step 5 is allowing out under the valve state, and valve actuator is received out the valve instruction on the gas meter, flow meter, carries out immediately and opens valve events, gets into the valve opening state.
Further, described a kind of gas meter, flow meter control method based on system directive and user's operation also has following technical characterictic:
Described pass valve judge module includes the judgement of one of which at least of following six factors,
1) in the pre-payment, whether is in the arrearage state;
2) whether receive teletransmission and close the valve communication instruction;
3) whether be in idle state;
4) whether gas facility is in the gas leakage state;
5) whether be in the magnetic interference state;
6) whether the cell voltage of gas meter, flow meter is in undesirable state.
The described valve judge module of opening includes following five judgements that factor is whole,
1) whether the arrearage state in the pre-payment is eliminated as existing;
2) teletransmission is closed the valve communication instruction as existing, and whether receives teletransmission and opens the valve communication instruction;
4) whether the gas leakage situation of gas facility is eliminated as existing;
5) whether the situation of magnetic interference is eliminated as existing;
6) whether the undesirable situation of gas meter, flow meter cell voltage situation is eliminated as existing.
Described non-automatic electric state changes, and is the operation through the user realized, comprise dismounting cell or plug control card.
A kind of gas meter, flow meter control system based on system directive and user's operation, this system comprises following structure:
Close the valve judge module, it is whether should be in close valve state in order to the judgement gas meter, flow meter, and is meeting the modular structure of sending pass valve instruction under the situation of close valve state;
Open the valve judge module, it is whether should be in out the valve state in order to the judgement gas meter, flow meter, and under the situation that meets out the valve state, sends the modular structure that allows out the valve instruction,
Non-automatic electric state changes detection module, and it is in order to detect the place gas meter, flow meter whether the modular structure that non-automatic electric state changes to take place, and eligible down, send out the valve instruction.
Further, described a kind of gas meter, flow meter control system based on system directive and user's operation also has following technical characterictic:
Described pass valve judge module or open the valve judge module includes in the following structure one of which at least,
1) judges assembly in order to the pre-payment of judging arrearage state in the pre-payment;
2) in order to receive the communication part of teletransmission communication instruction;
3) the idle state judgement assembly in order to judge whether idle state exists;
4) the gas leakage condition judgement assembly that whether exists in order to the gas leakage situation of judging gas facility;
5) assembly is judged in the magnetic interference that whether exists in order to the situation of judging magnetic interference;
6) in order to judge whether satisfactory cell voltage is judged assembly to gas meter, flow meter cell voltage situation.
The invention has the advantages that:
This gas meter, flow meter control method that the present invention will provide based on system directive and user's operation; Change detection module through non-automatic electric state; Detect the place gas meter, flow meter whether non-automatic electric state change takes place, only eligible following, gas meter, flow meter just can send out the valve instruction; Just must through the user carry out operation associated after, gas meter, flow meter can be opened valve.Avoided ignorant the user, under the situation of staying out, gas valve is opened, and the dangerous situation of gas leakage always takes place.
Description of drawings
The present invention will be described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the theory diagram of a kind of gas meter, flow meter control system based on system directive and user operation of the present invention.
Fig. 2 is the process flow diagram of a kind of gas meter, flow meter control method based on system directive and user operation of the present invention.
Embodiment
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further explanation.
Fig. 1,2 explanation:
Join illustrated in figures 1 and 2ly, showed this gas meter, flow meter control method process flow diagram of the present invention based on system directive and user operation, and the system principle structural drawing.
Below in conjunction with method flow and the theory structure among the figure, introduce practical implementation process of the present invention:
Step 1, under the valve opening state, the pass valve judge module 110 on the gas meter, flow meter is according to Rule of judgment, closes the valve instruction meeting to send under the situation of Rule of judgment.
Close valve judge module 110, it is whether should be in close valve state in order to the judgement gas meter, flow meter, and meeting the modular structure of sending pass valve instruction under the situation of close valve state, mainly is whether the gas meter, flow meter of judges need be forced the pass valve.
This closes valve judge module 110, also includes in order to the pre-payment of judging arrearage state in the pre-payment to judge assembly 130; In order to remote installed meter, receive the communication part 140 of teletransmission communication instruction; Judge assembly 150 in order to judge the idle state whether idle state exists; The gas leakage condition judgement assembly 160 that whether exists in order to the gas leakage situation of judging gas facility; Assembly 170 is judged in magnetic interference in order to whether the situation of judging magnetic interference exists; In order to judge whether satisfactory cell voltage is judged assembly 180 to gas meter, flow meter cell voltage situation; These six kinds of construction packages are one of which at least.
The situation that need force to close valve in the present invention mainly is the one of which at least of following six kinds of situation:
1) in the pre-payment, whether is in the arrearage state.Pre-payment in the pass of gas meter, flow meter valve judge module 110 is judged assembly 130; When detecting the gas charge full consumption that the user prestores through IC-card; Gas meter, flow meter just can send forces to close the valve instruction, supplements with money with the IC-card of supervising the user in time to carry out gas meter, flow meter, prevents to be in arrears with gas charge and uses.
2) whether receive teletransmission and close the valve communication instruction.This situation is, communication part 140 receives Gas Company when it is required to close the instruction of valve in the pass valve judge module 110 of gas meter, flow meter, and gas meter, flow meter closes valve.
3) whether be in idle state.When the user goes on business when for a long time not using coal gas, the idle state in the pass valve judge module 110 of gas meter, flow meter is judged assembly 150, also can send and close the valve instruction manipulation according to the idle situation of detected gas meter, flow meter.For example, the opening under the valve state of gas meter, flow meter, it is 15 days that the maximum that electronic counting does not change allows fate, just the user did not use combustion gas in continuous 15 days, closed valve judge module 110 and can send and close the valve instruction.。
4) whether gas facility is in the gas leakage state.Gas leakage condition judgement assembly 160 in the pass of gas meter, flow meter valve judge module 110 when detecting the situation with gas leak, also can send pass valve instruction and force to close valve, to guarantee personal safety.
5) whether be in the magnetic interference state.Assembly 170 is judged in magnetic interference in the pass of gas meter, flow meter valve judge module 110, and what detect gas meter, flow meter has the magnetic interference signal on every side, and when influencing the gas meter, flow meter counting, gas meter, flow meter also can directly send and close the valve instruction, makes gas meter, flow meter be in close valve state.
6) whether the cell voltage of gas meter, flow meter is in undesirable state.Cell voltage in the pass of gas meter, flow meter valve judge module 110 is judged assembly 180, and the cell voltage that detects gas meter, flow meter is low excessively, when gas meter, flow meter soon quits work owing to there is not supply of electrical energy, also can send and close the valve instruction, forces to close valve.
Step 2, valve actuator on the gas meter, flow meter, receive close the valve instruction after, carry out immediately and close valve events, get into the valve closing state.In this step, gas meter, flow meter is according to pass valve order the carrying out concrete operations of valve closing in the above-mentioned steps 1.
Step 3 under the valve closing state, by opening valve judge module 120 according to ambient condition, judges whether to satisfy the condition that allows to open valve, as satisfies condition, and sends and allows out the valve instruction, gets into the valve state that allows out.
Open valve judge module 120; It is in order to judge whether gas meter, flow meter should be in out the valve state; And under the situation that meets out the valve state, send the modular structure that allows out the valve instruction, and this module mainly is to detect in the above-mentioned steps 1, whether the problem during valve closing solves; Open the valve condition if satisfied, just send and allow out the valve instruction.
This opens valve judge module 120, and corresponding above-mentioned pass valve judge module 110 also includes in order to the pre-payment of judging arrearage state in the pre-payment and judges assembly 130; In order to remote installed meter, receive the communication part 140 of teletransmission communication instruction; Judge assembly 150 in order to judge the idle state whether idle state exists; The gas leakage condition judgement assembly 160 that whether exists in order to the gas leakage situation of judging gas facility; Assembly 170 is judged in magnetic interference in order to whether the situation of judging magnetic interference exists; In order to judge whether satisfactory cell voltage is judged assembly 180 to gas meter, flow meter cell voltage situation; These six kinds of construction packages are one of which at least.
Opening valve judge module 120 in the present invention sends and allows out valve instruction must satisfy following five kinds of situation simultaneously:
1) whether the arrearage state in the pre-payment is eliminated as existing.Judge assembly 130 when the pre-payment of opening in the valve judge module 120 of gas meter, flow meter, when detecting gas charge that the user prestores through IC-card and having supplemented with money.
2) teletransmission is closed the valve communication instruction as existing, and whether receives teletransmission and opens the valve communication instruction.This situation is that when the gas meter, flow meter communication part 140 in opening valve judge module 120 received out the valve communication instruction, gas meter, flow meter also can get into and allow to hold the valve state.
3) whether the gas leakage situation of gas facility is eliminated as existing.When the gas leakage condition judgement assembly 160 in the valve judge module 120 of opening of gas meter, flow meter, when the situation that detects gas leak does not exist, also can send and allow to hold the valve instruction and allow to hold the valve state.
4) whether the situation of magnetic interference is eliminated as existing.When assembly 170 is judged in the magnetic interference of opening in the valve judge module 120 of gas meter, flow meter; The magnetic interference signal on every side that detects gas meter, flow meter is eliminated; And gas meter, flow meter when counting, gas meter, flow meter also can directly send and allow to hold the valve instruction, gas meter, flow meter is in allows out the valve state.
5) whether the undesirable situation of gas meter, flow meter cell voltage situation is eliminated as existing.Judge assembly 180 when the cell voltage of opening in the valve judge module 120 of gas meter, flow meter, the cell voltage that detects gas meter, flow meter has recovered normally, and gas meter, flow meter also can send and allow to hold valve instruction entering and allow to hold the valve state.
Step 4 is allowing out under the valve state, and non-automatic electric state changes detection module 190 and judges whether that the non-automatic electric state of being scheduled to changes.Non-automatic electric state wherein changes detection module, and it is in order to detect the place gas meter, flow meter whether the modular structure that non-automatic electric state changes to take place, and eligible down, send out the valve instruction.Non-automatic electric state changes, and is the operation through the user realized, comprise dismounting cell or plug control card.
Non-limiting as giving an example, after the gas meter, flow meter entering allows out the valve state, need the user to operate in person, could make gas meter, flow meter really ventilate, for example, the user needs dismounting cell or plug IC-card to realize the ventilation of gas meter, flow meter.
Step 5 is allowing out under the valve state, and valve actuator is received out the valve instruction on the gas meter, flow meter, carries out immediately and opens valve events, gets into the valve opening state.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (6)
1. the gas meter, flow meter control method based on system directive and user's operation is characterized in that this method comprises the steps:
Step 1, under the valve opening state, the pass valve judge module on the gas meter, flow meter is according to Rule of judgment, closes the valve instruction meeting to send under the situation of Rule of judgment;
Step 2, valve actuator on the gas meter, flow meter, receive close the valve instruction after, carry out immediately and close valve events, get into the valve closing state;
Step 3 under the valve closing state, is come according to ambient condition by opening the valve judge module, judges whether to satisfy the condition that allows to open valve, as satisfies condition, and sends and allows out the valve instruction, gets into the valve state that allows out;
Step 4 is allowing out under the valve state, and non-automatic electric state changes detection module and judges whether that the non-automatic electric state of being scheduled to changes;
Step 5 is allowing out under the valve state, and valve actuator is received out the valve instruction on the gas meter, flow meter, carries out immediately and opens valve events, gets into the valve opening state.
2. a kind of gas meter, flow meter control method based on system directive and user's operation according to claim 1 is characterized in that: described pass valve judge module, include the judgement of one of which at least of following six factors,
1) in the pre-payment, whether is in the arrearage state;
2) whether receive teletransmission and close the valve communication instruction;
3) whether be in idle state;
4) whether gas facility is in the gas leakage state;
5) whether be in the magnetic interference state;
6) whether the cell voltage of gas meter, flow meter is in undesirable state.
3. a kind of gas meter, flow meter control method based on system directive and user's operation according to claim 1 is characterized in that: the described valve judge module of opening, include following five judgements that factor is whole,
1) whether the arrearage state in the pre-payment is eliminated as existing;
2) teletransmission is closed the valve communication instruction as existing, and whether receives teletransmission and opens the valve communication instruction;
3) whether the gas leakage situation of gas facility is eliminated as existing;
4) whether the situation of magnetic interference is eliminated as existing;
5) whether the undesirable situation of gas meter, flow meter cell voltage situation is eliminated as existing.
4. according to claim 1 or 3 described a kind of gas meter, flow meter control methods based on system directive and user's operation; It is characterized in that: described non-automatic electric state changes, and is the operation through the user realized, comprise dismounting cell or plug control card.
5. gas meter, flow meter control system based on system directive and user operation is characterized in that this system comprises:
Close the valve judge module, it is whether should be in close valve state in order to the judgement gas meter, flow meter, and is meeting the modular structure of sending pass valve instruction under the situation of close valve state;
Open the valve judge module, it is whether should be in out the valve state in order to the judgement gas meter, flow meter, and under the situation that meets out the valve state, sends the modular structure that allows out the valve instruction,
Non-automatic electric state changes detection module, and it is in order to detect the place gas meter, flow meter whether the modular structure that non-automatic electric state changes to take place, and eligible down, send out the valve instruction.
6. a kind of gas meter, flow meter control system based on system directive and user operation according to claim 5 is characterized in that: described pass valve judge module or open the valve judge module, include in the following structure one of which at least,
1) judges assembly in order to the pre-payment of judging arrearage state in the pre-payment;
2) in order to receive the communication part of teletransmission communication instruction;
3) the idle state judgement assembly in order to judge whether idle state exists;
4) be used to judge the gas leakage condition judgement assembly whether the gas leakage situation of gas facility exists;
5) be used to judge that the magnetic interference whether situation of magnetic interference exists judges assembly;
6) be used to judge whether satisfactory cell voltage is judged assembly to gas meter, flow meter cell voltage situation.
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CN2010105017176A CN102339502A (en) | 2010-10-09 | 2010-10-09 | Method and system for controlling gas meter based on system instruction and user operation |
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CN2010105017176A CN102339502A (en) | 2010-10-09 | 2010-10-09 | Method and system for controlling gas meter based on system instruction and user operation |
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CN2010105017176A Pending CN102339502A (en) | 2010-10-09 | 2010-10-09 | Method and system for controlling gas meter based on system instruction and user operation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104729611A (en) * | 2015-02-03 | 2015-06-24 | 成都秦川科技发展有限公司 | State management method for intelligent gas meter |
CN105626952A (en) * | 2016-02-22 | 2016-06-01 | 吴江港华燃气有限公司 | Method for switching on and off valve of gas meter |
CN105844806A (en) * | 2016-03-22 | 2016-08-10 | 重庆前卫克罗姆表业有限责任公司 | IC card film gas meter detection control system and detection method thereof |
CN107314146A (en) * | 2017-07-18 | 2017-11-03 | 防城港市港口区高创信息技术有限公司 | A kind of live valve for feeding of semi-automated facilities controlled based on ray |
CN115456315A (en) * | 2022-11-11 | 2022-12-09 | 成都秦川物联网科技股份有限公司 | Gas pipe network preset management method for intelligent gas and Internet of things system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1114443A (en) * | 1994-06-09 | 1996-01-03 | 梁先宇 | Card type microcomputerized safety autocontrol gasometer |
CN2246311Y (en) * | 1995-07-25 | 1997-01-29 | 郑孚 | Gas meter having low power loss safety and artificial intelligence |
CN2259618Y (en) * | 1996-06-28 | 1997-08-13 | 陕西全通光电技术研究所 | Intelligent metering and controlling device for gas meter |
JPH1186099A (en) * | 1997-09-02 | 1999-03-30 | Yazaki Corp | Advance payment system supply control device |
CN1746927A (en) * | 2004-09-06 | 2006-03-15 | 周岳建 | Control of water-saving IC card watermeter |
CN201556253U (en) * | 2009-11-12 | 2010-08-18 | 浙江威星智能仪表股份有限公司 | Prepaid gas meter |
-
2010
- 2010-10-09 CN CN2010105017176A patent/CN102339502A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1114443A (en) * | 1994-06-09 | 1996-01-03 | 梁先宇 | Card type microcomputerized safety autocontrol gasometer |
CN2246311Y (en) * | 1995-07-25 | 1997-01-29 | 郑孚 | Gas meter having low power loss safety and artificial intelligence |
CN2259618Y (en) * | 1996-06-28 | 1997-08-13 | 陕西全通光电技术研究所 | Intelligent metering and controlling device for gas meter |
JPH1186099A (en) * | 1997-09-02 | 1999-03-30 | Yazaki Corp | Advance payment system supply control device |
CN1746927A (en) * | 2004-09-06 | 2006-03-15 | 周岳建 | Control of water-saving IC card watermeter |
CN201556253U (en) * | 2009-11-12 | 2010-08-18 | 浙江威星智能仪表股份有限公司 | Prepaid gas meter |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104729611A (en) * | 2015-02-03 | 2015-06-24 | 成都秦川科技发展有限公司 | State management method for intelligent gas meter |
CN104729611B (en) * | 2015-02-03 | 2018-02-16 | 成都秦川物联网科技股份有限公司 | Intelligent gas meter method of state management |
CN105626952A (en) * | 2016-02-22 | 2016-06-01 | 吴江港华燃气有限公司 | Method for switching on and off valve of gas meter |
CN105844806A (en) * | 2016-03-22 | 2016-08-10 | 重庆前卫克罗姆表业有限责任公司 | IC card film gas meter detection control system and detection method thereof |
CN107314146A (en) * | 2017-07-18 | 2017-11-03 | 防城港市港口区高创信息技术有限公司 | A kind of live valve for feeding of semi-automated facilities controlled based on ray |
CN115456315A (en) * | 2022-11-11 | 2022-12-09 | 成都秦川物联网科技股份有限公司 | Gas pipe network preset management method for intelligent gas and Internet of things system |
CN115456315B (en) * | 2022-11-11 | 2023-02-24 | 成都秦川物联网科技股份有限公司 | Gas pipe network preset management method for intelligent gas and Internet of things system |
US11803173B2 (en) | 2022-11-11 | 2023-10-31 | Chengdu Qinchuan Iot Technology Co., Ltd. | Preset management methods of gas pipeline network for smart gas and internet of things systems thereof |
US11982994B2 (en) | 2022-11-11 | 2024-05-14 | Chengdu Qinchuan Iot Technology Co., Ltd. | Determining a regional gas pipeline operating scheme |
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Application publication date: 20120201 |