CN117469466A - Remote monitoring method and system for intelligent gas electromagnetic valve - Google Patents

Remote monitoring method and system for intelligent gas electromagnetic valve Download PDF

Info

Publication number
CN117469466A
CN117469466A CN202311670408.5A CN202311670408A CN117469466A CN 117469466 A CN117469466 A CN 117469466A CN 202311670408 A CN202311670408 A CN 202311670408A CN 117469466 A CN117469466 A CN 117469466A
Authority
CN
China
Prior art keywords
gas
electromagnetic valve
valve
gas electromagnetic
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311670408.5A
Other languages
Chinese (zh)
Inventor
吴亨驰
吴斌亨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Qiaoheng Industrial Co ltd
Original Assignee
Shanghai Qiaoheng Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Qiaoheng Industrial Co ltd filed Critical Shanghai Qiaoheng Industrial Co ltd
Priority to CN202311670408.5A priority Critical patent/CN117469466A/en
Publication of CN117469466A publication Critical patent/CN117469466A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention provides a remote monitoring method and a remote monitoring system for an intelligent gas electromagnetic valve, which are used for judging whether the valve action of the gas electromagnetic valve is normal or not based on real-time gas transmission regulation data of the gas electromagnetic valve to a gas pipeline and a control instruction applied to the gas electromagnetic valve in real time; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.

Description

Remote monitoring method and system for intelligent gas electromagnetic valve
Technical Field
The invention relates to the field of electromagnetic valves, in particular to a remote monitoring method and a remote monitoring system for an intelligent gas electromagnetic valve.
Background
The gas solenoid valve is installed in the gas pipeline for carry out the regulation of gas transmission flow and gas transmission switch and carry out the gas transmission reposition of redundant personnel to the gas pipeline, through exerting corresponding control command to the gas solenoid valve, can change the open-close state of the inside valve of gas solenoid valve. The working state of the gas electromagnetic valve directly influences the normal property and the safety of the gas transmission in the gas pipeline. In order to ensure the working reliability of the gas electromagnetic valve, the gas electromagnetic valve needs to be monitored in real time in the gas transmission adjusting process, the existing monitoring of the gas electromagnetic valve is only limited to the regular maintenance of the gas electromagnetic valve, the gas electromagnetic valve cannot be monitored and controlled in real time, and the working reliability and stability of the gas electromagnetic valve are reduced.
Disclosure of Invention
The invention aims to provide a remote monitoring method and a remote monitoring system for an intelligent gas electromagnetic valve, which are used for judging whether the valve action of the gas electromagnetic valve is normal or not based on real-time gas transmission regulation data of the gas electromagnetic valve to a gas pipeline and a control instruction applied to the gas electromagnetic valve in real time; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.
The invention is realized by the following technical scheme:
a remote monitoring method of an intelligent gas electromagnetic valve comprises the following steps:
collecting real-time gas transmission regulation data of a gas electromagnetic valve on a gas pipeline, and judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
when the gas electromagnetic valve is in a normal valve action state at present, carrying out state change analysis on the real-time gas transmission regulation data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is positioned; judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information, so as to adjust the working state of the gas electromagnetic valve;
when the gas electromagnetic valve is not in a normal valve action state at present, applying records based on a control instruction of the gas electromagnetic valve, and performing valve action recovery control on the gas electromagnetic valve; and analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, and judging whether the gas electromagnetic valve recovers to normal valve action or not so as to adjust the working state of the gas electromagnetic valve.
Optionally, collecting real-time gas transmission adjustment data of the gas solenoid valve on the gas pipeline, and judging whether the gas solenoid valve is currently in a normal valve action state based on the real-time gas transmission adjustment data and a control instruction applied to the gas solenoid valve in real time, including:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline;
based on a control instruction applied to the gas electromagnetic valve in real time, determining a corresponding expected gas transmission and distribution proportion of the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
Optionally, when the gas electromagnetic valve is in a normal valve action state at present, performing state analysis on the real-time gas transmission adjustment data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is located; based on the gas transmission stability degree information, judging whether the gas electromagnetic valve has a gas leakage event or not, thereby adjusting the working state of the gas electromagnetic valve, comprising:
When the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas leakage event does not occur to the gas electromagnetic valve; when the gas leakage event occurs in the gas electromagnetic valve, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
Optionally, when the gas electromagnetic valve is not in the normal valve action state at present, applying a record based on a control instruction of the gas electromagnetic valve, and performing valve action recovery control on the gas electromagnetic valve; analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, judging whether the gas electromagnetic valve recovers to normal valve action, so as to adjust the working state of the gas electromagnetic valve, and comprising the following steps:
When the gas electromagnetic valve is not in a normal valve action state at present, analyzing a control instruction application record of the gas electromagnetic valve to obtain respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle restoration control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
analyzing the respective gas transmission flow data of all downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers normal valve action; otherwise, judging that the gas electromagnetic valve does not recover the normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
Optionally, after sending a valve opening angle recovery control instruction to the gas electromagnetic valve, the method further includes:
step S1, judging whether the electromagnetic valves which are not restored exist or not according to feedback information of all the electromagnetic valves by using the following formula (1),
Y(a)＝F{T(a)≤T 0 |θ[Z 16 (a)]＝θ max }(1)
In the above formula (1), Y (a) represents a determination value of whether the a-th electromagnetic valve is an electromagnetic valve that is not restored; t (a) represents a time period from the transmission of the valve opening angle recovery control command to the reception of feedback information of the a-th electromagnetic valve, and if T is exceeded 0 If the time length does not receive feedback information yet, T (a) is infinity; t (T) 0 Representing a preset duration; z is Z 16 (a) A 16-ary form representing feedback information of the a-th solenoid valve; theta [ Z ] 16 (a)]The angle information in the feedback information of the a-th electromagnetic valve is converted into decimal; θ max Representing a maximum opening angle value of the electromagnetic valve; f { T (a) is less than or equal to T 0 |θ[Z 16 (a)]＝θ max And if T (a) is less than or equal to T 0 Judging theta Z 16 (a)]＝θ max If so, the function value is 1, if not, the function value is 0, if T (a) is not less than T 0 Then the function value is directly 0 and θ [ Z ] is not performed 16 (a)]＝θ max Is judged by (1);
if Y (a) =1, it means that the a-th electromagnetic valve is not an electromagnetic valve that is not restored;
if Y (a) =0, it means that the a-th electromagnetic valve belongs to an electromagnetic valve that is not restored;
step S2, if the electromagnetic valve which is not restored exists, setting high to a reset pin of the corresponding electromagnetic valve, sending reset power-on information to the corresponding electromagnetic valve after resetting, simultaneously switching the electromagnetic valve to a maximum opening angle state, judging whether the electromagnetic valve which is not restored has mechanical failure according to the received reset power-on information of the electromagnetic valve which is not restored by utilizing the following formula (2),
E(i)＝F{T_s(i)≤T 0 |S 16 (i)-S_D 16 ＝0}(2)
In the above formula (2), E (i) represents a control value of the ith electromagnetic valve mechanical failure lamp that is not recovered; s is S 16 (i) A 16-system form of reset power-on information representing return of the ith electromagnetic valve which is not reset; S_D 16 A 16-ary form representing standard reset power-on information; t_s (i) represents the time from the setting of the reset pin of the ith electromagnetic valve which is not reset to the receiving of the reset power-on return of the ith electromagnetic valve which is not reset; f { T_s (i) is less than or equal to T 0 |S 16 (i)-S_D 16 =0 } means that if T_s (i). Ltoreq.T is satisfied 0 Then judge S 16 (i)-S_D 16 Whether =0 is true or not, if true, the function value is 1, if false, the function value is 0, if not, t_s (i) is less than or equal to T 0 Then the function value is directly 0 and S is not performed 16 (i)-S_D 16 A judgment of =0;
if E (i) =1, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned off;
if E (i) =0, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned on;
step S3, controlling whether to send maintenance notification information according to the control values of the mechanical fault lamps of all the electromagnetic valves and the judgment value of whether the electromagnetic valve which is not restored is the electromagnetic valve which is not restored by using the following formula (3),
In the above formula (3), R represents a control finger of whether to send an overhaul notification message; IF { } represents a judgment function, the function value of the judgment function is 1 IF the expression in the brackets is established, and the function value of the judgment function is 0 IF the expression in the brackets is not established; n represents the total number of all electromagnetic valves;
if r=1, sending an overhaul notification message;
if r=0, no overhaul notification message is sent.
A remote monitoring system for an intelligent gas solenoid valve, comprising:
the fuel gas transmission regulation data acquisition module is used for acquiring real-time fuel gas transmission regulation data of the fuel gas electromagnetic valve on the fuel gas pipeline;
the valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
the fuel gas transmission stability identification module is used for carrying out change state analysis on the real-time fuel gas transmission regulation data when the fuel gas electromagnetic valve is in a normal valve action state at present, so as to obtain fuel gas transmission stability degree information of a fuel gas pipeline section where the fuel gas electromagnetic valve is positioned;
the gas electromagnetic valve work adjusting module is used for judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information so as to adjust the working state of the gas electromagnetic valve;
The gas electromagnetic valve recovery control module is used for performing valve action recovery control on the gas electromagnetic valve based on the record of the control instruction of the gas electromagnetic valve when the gas electromagnetic valve is not in a normal valve action state at present;
and the gas electromagnetic valve work adjusting module is also used for analyzing the real-time gas transmission adjusting data of the gas battery valve after the valve action recovery control is finished and judging whether the gas electromagnetic valve recovers to the normal valve action or not so as to adjust the working state of the gas electromagnetic valve.
Optionally, the gas transmission adjustment data acquisition module is used for acquiring real-time gas transmission adjustment data of the gas solenoid valve to the gas pipeline, and includes:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline;
the valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state currently or not based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time, and comprises the following steps:
Based on a control instruction applied to the gas electromagnetic valve in real time, determining a corresponding expected gas transmission and distribution proportion of the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
Optionally, the gas transmission stability identification module is configured to perform change state analysis on the real-time gas transmission adjustment data when the gas solenoid valve is currently in a normal valve action state, to obtain gas transmission stability degree information of a gas pipeline section where the gas solenoid valve is located, and includes:
when the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
the gas solenoid valve work adjustment module is used for judging whether the gas solenoid valve has a gas leakage event based on the gas transmission stability degree information so as to adjust the working state of the gas solenoid valve, and comprises:
Comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas leakage event does not occur to the gas electromagnetic valve; when the gas leakage event occurs in the gas electromagnetic valve, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
Optionally, the gas electromagnetic valve recovery control module is configured to perform valve action recovery control on the gas electromagnetic valve based on a control instruction application record of the gas electromagnetic valve when the gas electromagnetic valve is not currently in a normal valve action state, and includes:
when the gas electromagnetic valve is not in a normal valve action state at present, analyzing a control instruction application record of the gas electromagnetic valve to obtain respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle restoration control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
The gas solenoid valve work adjustment module is also used for analyzing the real-time gas transmission adjustment data of the gas battery valve after valve action recovery control, judging whether the gas solenoid valve recovers normal valve action or not, so as to adjust the work state of the gas solenoid valve, and comprises the following steps:
analyzing the respective gas transmission flow data of all downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers normal valve action; otherwise, judging that the gas electromagnetic valve does not recover the normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
Compared with the prior art, the invention has the following beneficial effects:
the remote monitoring method and the remote monitoring system for the intelligent gas electromagnetic valve judge whether the valve action of the gas electromagnetic valve is normal or not based on real-time gas transmission regulation data of the gas electromagnetic valve to a gas pipeline and a control instruction applied to the gas electromagnetic valve in real time; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic flow chart of a remote monitoring method of an intelligent gas electromagnetic valve.
Fig. 2 is a schematic structural diagram of a remote monitoring system of an intelligent gas electromagnetic valve provided by the invention.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, a remote monitoring method for an intelligent gas electromagnetic valve is provided in an embodiment of the present application. The remote monitoring method of the intelligent gas electromagnetic valve comprises the following steps:
collecting real-time gas transmission regulation data of a gas electromagnetic valve on a gas pipeline, and judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
When the gas electromagnetic valve is in a normal valve action state at present, carrying out state change analysis on the real-time gas transmission regulation data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is positioned; judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information, so as to adjust the working state of the gas electromagnetic valve;
when the gas electromagnetic valve is not in a normal valve action state at present, applying records based on a control instruction of the gas electromagnetic valve, and performing valve action recovery control on the gas electromagnetic valve; and analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, and judging whether the gas electromagnetic valve recovers to normal valve action or not so as to regulate the working state of the gas electromagnetic valve.
The remote monitoring method of the intelligent gas electromagnetic valve has the beneficial effects that whether the valve action of the gas electromagnetic valve is normal or not is judged based on real-time gas transmission regulation data of the gas electromagnetic valve to the gas pipeline and a control instruction applied to the gas electromagnetic valve in real time; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.
In another embodiment, collecting real-time gas transmission adjustment data of a gas solenoid valve to a gas pipeline, and determining whether the gas solenoid valve is currently in a normal valve action state based on the real-time gas transmission adjustment data and a control instruction applied to the gas solenoid valve in real time, includes:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline;
based on a control instruction applied to the gas electromagnetic valve in real time, determining the expected gas transmission and distribution proportion corresponding to the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
The beneficial effect of above-mentioned embodiment, the gas solenoid valve is installed on the gas pipeline, can carry out the reposition of redundant personnel processing to the gas of upstream pipeline transmission to with the gas reposition of redundant personnel to be located the different pipelines of low reaches position, the inside valve of this gas solenoid valve is in corresponding open state in the gas reposition of redundant personnel in-process, thereby shunts the gas from the upstream pipeline to different low reaches pipelines according to corresponding proportion. And acquiring respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of the gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline, so that the actual gas diversion condition of the gas electromagnetic valve can be quantitatively determined. In addition, based on the control instruction applied to the gas electromagnetic valve in real time, the expected gas transmission and distribution proportion corresponding to the gas electromagnetic valve under the action of the control instruction is determined, and in ideal cases, when the corresponding control instruction is applied to the gas electromagnetic valve, the valve inside the gas electromagnetic valve is opened to a corresponding angle, so that corresponding gas distribution is obtained. And comparing the relative proportion of the gas transmission flow with the expected gas transmission flow dividing proportion, and judging whether the relative proportion of the gas transmission flow and the expected gas transmission flow dividing proportion are consistent, so as to judge whether the gas electromagnetic valve is in a normal valve action state, and accurately judge whether the valve opening action in the gas electromagnetic valve is consistent with the expected valve opening action corresponding to the control instruction.
In another embodiment, when the gas electromagnetic valve is in a normal valve action state at present, performing state change analysis on the real-time gas transmission adjustment data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is positioned; based on the gas transmission stability degree information, judging whether the gas electromagnetic valve has a gas leakage event or not, thereby adjusting the working state of the gas electromagnetic valve, comprising:
when the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas electromagnetic valve does not have a gas leakage event; when the gas electromagnetic valve has a gas leakage event, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closed state.
The beneficial effects of the embodiment are that when the gas electromagnetic valve is in a normal valve action state at present, the change state analysis is carried out on the respective gas transmission flow data of all the downstream pipelines, so as to obtain the respective gas transmission flow floating change rate of all the downstream pipelines, and the gas transmission flow floating change rate is used for representing the up-and-down fluctuation change rate of the gas flow in the process of transmitting the gas inside the corresponding downstream pipelines. And comparing the floating change rate of the gas transmission flow with a preset change rate threshold value so as to judge whether the gas electromagnetic valve has a gas leakage event or not, so that a closing control instruction can be conveniently sent to the gas electromagnetic valve in time, and the working safety of the gas electromagnetic valve is ensured.
In another embodiment, when the gas electromagnetic valve is not in the normal valve action state at present, the valve action recovery control is performed on the gas electromagnetic valve based on the control instruction application record of the gas electromagnetic valve; analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, judging whether the gas electromagnetic valve recovers to normal valve action, so as to adjust the working state of the gas electromagnetic valve, and comprising the following steps:
When the gas electromagnetic valve is not in a normal valve action state at present, the control instruction of the gas electromagnetic valve is recorded and analyzed to obtain the respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle recovery control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
analyzing the respective gas transmission flow data of all the downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers to normal valve action; otherwise, judging that the gas electromagnetic valve does not recover to normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closed state.
The beneficial effects of the embodiment are that when the gas electromagnetic valve is not in the normal valve action state at present, based on the respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve, a valve opening angle restoration control instruction is sent to the gas electromagnetic valve so that all electromagnetic valves are switched to the maximum opening angle state, and thus all electromagnetic valves in the gas electromagnetic valve can be restored to the initial state. And analyzing the respective gas transmission flow data of all the downstream pipelines corresponding to the gas solenoid valve after valve action recovery control, and judging whether the downstream pipelines are in a preset maximum gas flow transmission state, so as to judge whether the gas solenoid valve recovers normal valve action, be convenient for sending a closing control instruction to the gas solenoid valve in time, and ensure the gas transmission reliability of the gas solenoid valve associated with the gas pipeline.
In another embodiment, after sending the valve opening angle recovery control command to the gas solenoid valve, the method further includes:
step S1, judging whether the electromagnetic valves which are not restored exist or not according to feedback information of all the electromagnetic valves by using the following formula (1),
Y(a)＝F{T(a)≤T 0 |θ[Z 16 (a)]＝θ max }(1)
in the above formula (1), Y (a) represents an a-th solenoid valveJudging whether the door is an electromagnetic valve which is not restored; t (a) represents a time period from the transmission of the valve opening angle recovery control command to the reception of feedback information of the a-th electromagnetic valve, and if T is exceeded 0 If the time length does not receive feedback information yet, T (a) is infinity; t (T) 0 Representing a preset duration; z is Z 16 (a) A 16-ary form representing feedback information of the a-th solenoid valve; theta [ Z ] 16 (a)]The angle information in the feedback information of the a-th electromagnetic valve is converted into decimal; θ max Representing a maximum opening angle value of the electromagnetic valve; f { T (a) is less than or equal to T 0 |θ[Z 16 (a)]＝θ max And if T (a) is less than or equal to T 0 Judging theta Z 16 (a)]＝θ max If so, the function value is 1, if not, the function value is 0, if T (a) is not less than T 0 Then the function value is directly 0 and θ [ Z ] is not performed 16 (a)]＝θ max Is judged by (1);
if Y (a) =1, it means that the a-th electromagnetic valve is not an electromagnetic valve that is not restored;
If Y (a) =0, it means that the a-th electromagnetic valve belongs to an electromagnetic valve that is not restored;
step S2, if the non-restored electromagnetic valve exists, setting high to a reset pin of the corresponding electromagnetic valve, sending reset power-on information to the corresponding electromagnetic valve after reset, simultaneously switching the electromagnetic valve to a maximum opening angle state, judging whether the non-restored electromagnetic valve has electromagnetic valve mechanical faults or not according to the received reset power-on information of the non-restored electromagnetic valve by utilizing the following formula (2),
E(i)＝F{T_s(i)≤T 0 |S 16 (i)-S_D 16 ＝0} (2)
in the above formula (2), E (i) represents a control value of the ith electromagnetic valve mechanical failure lamp that is not recovered; s is S 16 (i) A 16-system form of reset power-on information representing return of the ith electromagnetic valve which is not reset; S_D 16 A 16-ary form representing standard reset power-on information; t_s (i) represents the restart recovery of the electromagnetic valve from the ith non-recoveryThe position pin is positioned high to the time length when the return power-on information of the ith electromagnetic valve which is not restored is received; f { T_s (i) is less than or equal to T 0 |S 16 (i)-S_D 16 =0 } means that if T_s (i). Ltoreq.T is satisfied 0 Then judge S 16 (i)-S_D 16 Whether =0 is true or not, if true, the function value is 1, if false, the function value is 0, if not, t_s (i) is less than or equal to T 0 Then the function value is directly 0 and S is not performed 16 (i)-S_D 16 A judgment of =0;
if E (i) =1, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned off;
if E (i) =0, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned on;
step S3, controlling whether to send maintenance notification information according to the control values of the mechanical fault lamps of all the electromagnetic valves and the judgment value of whether the electromagnetic valve which is not restored is the electromagnetic valve which is not restored by using the following formula (3),
in the above formula (3), R represents a control finger of whether to send an overhaul notification message; IF { } represents a judgment function, the function value of the judgment function is 1 IF the expression in the brackets is established, and the function value of the judgment function is 0 IF the expression in the brackets is not established; n represents the total number of all electromagnetic valves;
if r=1, sending an overhaul notification message;
if r=0, no overhaul notification message is sent.
The beneficial effects of the embodiment are that by utilizing the formula (1), whether the electromagnetic valves which are not restored exist or not is judged according to the feedback information of all the electromagnetic valves, so that the electromagnetic valves which are not executed and have the wrong actions after the execution of the instructions are screened out for restarting, and the reliability of the whole system is ensured; then, according to the received reset power-on information of the electromagnetic valve which is not restored, judging whether the electromagnetic valve which is not restored has the electromagnetic valve mechanical fault or not by utilizing the formula (2), so that the electromagnetic valve which cannot be restarted from the mechanical level is screened out and the staff is reminded of overhauling in a lamplight mode; and then, controlling whether to send an overhaul notification message according to the control values of the mechanical fault lamps of all the electromagnetic valves and the judging value of the electromagnetic valve which is not restored or not by utilizing the formula (3), so that when the electromagnetic valve has more faults, workers are reminded of carrying out large overhaul by utilizing the notification message, and the overall stability and safety of the system are ensured.
Referring to fig. 2, a remote monitoring system for an intelligent gas electromagnetic valve is provided in an embodiment of the present application. The remote monitoring system of this intelligent gas solenoid valve includes:
the fuel gas transmission regulation data acquisition module is used for acquiring real-time fuel gas transmission regulation data of the fuel gas electromagnetic valve on the fuel gas pipeline;
the valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
the fuel gas transmission stability identification module is used for carrying out change state analysis on the real-time fuel gas transmission regulation data when the fuel gas electromagnetic valve is in a normal valve action state at present, so as to obtain fuel gas transmission stability degree information of a fuel gas pipeline section where the fuel gas electromagnetic valve is positioned;
the gas electromagnetic valve work adjusting module is used for judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information so as to adjust the work state of the gas electromagnetic valve;
the gas electromagnetic valve recovery control module is used for performing valve action recovery control on the gas electromagnetic valve based on the control instruction application record of the gas electromagnetic valve when the gas electromagnetic valve is not in a normal valve action state at present;
And the gas electromagnetic valve work adjusting module is also used for analyzing the real-time gas transmission adjusting data of the gas battery valve which completes the valve action recovery control and judging whether the gas electromagnetic valve recovers the normal valve action or not so as to adjust the working state of the gas electromagnetic valve.
The remote monitoring system of the intelligent gas electromagnetic valve has the beneficial effects that based on the real-time gas transmission regulation data of the gas electromagnetic valve to the gas pipeline and the control instruction applied to the gas electromagnetic valve in real time, whether the valve action of the gas electromagnetic valve is normal or not is judged; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.
In another embodiment, the fuel gas transmission adjustment data acquisition module is configured to acquire real-time fuel gas transmission adjustment data of the fuel gas solenoid valve on the fuel gas pipeline, and includes:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline;
the valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state at present or not based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time, and comprises the following components:
based on a control instruction applied to the gas electromagnetic valve in real time, determining the expected gas transmission and distribution proportion corresponding to the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
The beneficial effect of above-mentioned embodiment, the gas solenoid valve is installed on the gas pipeline, can carry out the reposition of redundant personnel processing to the gas of upstream pipeline transmission to with the gas reposition of redundant personnel to be located the different pipelines of low reaches position, the inside valve of this gas solenoid valve is in corresponding open state in the gas reposition of redundant personnel in-process, thereby shunts the gas from the upstream pipeline to different low reaches pipelines according to corresponding proportion. And acquiring respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of the gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline, so that the actual gas diversion condition of the gas electromagnetic valve can be quantitatively determined. In addition, based on the control instruction applied to the gas electromagnetic valve in real time, the expected gas transmission and distribution proportion corresponding to the gas electromagnetic valve under the action of the control instruction is determined, and in ideal cases, when the corresponding control instruction is applied to the gas electromagnetic valve, the valve inside the gas electromagnetic valve is opened to a corresponding angle, so that corresponding gas distribution is obtained. And comparing the relative proportion of the gas transmission flow with the expected gas transmission flow dividing proportion, and judging whether the relative proportion of the gas transmission flow and the expected gas transmission flow dividing proportion are consistent, so as to judge whether the gas electromagnetic valve is in a normal valve action state, and accurately judge whether the valve opening action in the gas electromagnetic valve is consistent with the expected valve opening action corresponding to the control instruction.
In another embodiment, the fuel gas transmission stability identification module is configured to perform a change state analysis on the real-time fuel gas transmission adjustment data when the fuel gas solenoid valve is currently in a normal valve action state, to obtain fuel gas transmission stability degree information of a fuel gas pipeline section where the fuel gas solenoid valve is located, including:
when the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
the gas solenoid valve work adjustment module is used for judging whether the gas solenoid valve has a gas leakage event based on the gas transmission stability degree information so as to adjust the working state of the gas solenoid valve, and comprises:
comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas electromagnetic valve does not have a gas leakage event; when the gas electromagnetic valve has a gas leakage event, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closed state.
The beneficial effects of the embodiment are that when the gas electromagnetic valve is in a normal valve action state at present, the change state analysis is carried out on the respective gas transmission flow data of all the downstream pipelines, so as to obtain the respective gas transmission flow floating change rate of all the downstream pipelines, and the gas transmission flow floating change rate is used for representing the up-and-down fluctuation change rate of the gas flow in the process of transmitting the gas inside the corresponding downstream pipelines. And comparing the floating change rate of the gas transmission flow with a preset change rate threshold value so as to judge whether the gas electromagnetic valve has a gas leakage event or not, so that a closing control instruction can be conveniently sent to the gas electromagnetic valve in time, and the working safety of the gas electromagnetic valve is ensured.
In another embodiment, the gas solenoid valve recovery control module is configured to perform valve action recovery control on the gas solenoid valve based on a control command application record of the gas solenoid valve when the gas solenoid valve is not currently in a normal valve action state, and includes:
when the gas electromagnetic valve is not in a normal valve action state at present, the control instruction of the gas electromagnetic valve is recorded and analyzed to obtain the respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle recovery control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
The gas electromagnetic valve work adjusting module is also used for analyzing real-time gas transmission adjusting data of the gas battery valve after valve action recovery control, judging whether the gas electromagnetic valve recovers normal valve action or not, so as to adjust the work state of the gas electromagnetic valve, and comprises the following steps:
analyzing the respective gas transmission flow data of all the downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers to normal valve action; otherwise, judging that the gas electromagnetic valve does not recover to normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closed state.
The beneficial effects of the embodiment are that when the gas electromagnetic valve is not in the normal valve action state at present, based on the respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve, a valve opening angle restoration control instruction is sent to the gas electromagnetic valve so that all electromagnetic valves are switched to the maximum opening angle state, and thus all electromagnetic valves in the gas electromagnetic valve can be restored to the initial state. And analyzing the respective gas transmission flow data of all the downstream pipelines corresponding to the gas solenoid valve after valve action recovery control, and judging whether the downstream pipelines are in a preset maximum gas flow transmission state, so as to judge whether the gas solenoid valve recovers normal valve action, be convenient for sending a closing control instruction to the gas solenoid valve in time, and ensure the gas transmission reliability of the gas solenoid valve associated with the gas pipeline.
In general, the remote monitoring method and the remote monitoring system of the intelligent gas electromagnetic valve judge whether the valve action of the gas electromagnetic valve is normal or not based on the real-time gas transmission regulation data of the gas pipeline by the gas electromagnetic valve and the control instruction applied to the gas electromagnetic valve in real time; when the valve acts normally, the gas transmission regulation data are analyzed to obtain the gas transmission stability degree information of the gas pipeline section, so that whether the gas electromagnetic valve leaks gas or not is judged, the working state of the gas electromagnetic valve is regulated, the safety problem of the gas electromagnetic valve in the working process is found in time, and corresponding risk avoidance control is carried out; when the valve action is abnormal, valve action recovery control is carried out on the gas electromagnetic valve, and whether the gas electromagnetic valve recovers to normal valve action is judged, so that the working state of the gas electromagnetic valve is adjusted, the gas electromagnetic valve is ensured to accurately carry out gas transmission control on a gas pipeline, and the working reliability and safety of the gas electromagnetic valve are improved.
The foregoing is merely one specific embodiment of the invention, and any modifications made in light of the above teachings are intended to fall within the scope of the invention.

Claims (9)

1. The remote monitoring method of the intelligent gas electromagnetic valve is characterized by comprising the following steps of:
Collecting real-time gas transmission regulation data of a gas electromagnetic valve on a gas pipeline, and judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
when the gas electromagnetic valve is in a normal valve action state at present, carrying out state change analysis on the real-time gas transmission regulation data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is positioned; judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information, so as to adjust the working state of the gas electromagnetic valve; when the gas electromagnetic valve is not in a normal valve action state at present, applying records based on a control instruction of the gas electromagnetic valve, and performing valve action recovery control on the gas electromagnetic valve; and analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, and judging whether the gas electromagnetic valve recovers to normal valve action or not so as to adjust the working state of the gas electromagnetic valve.
2. The remote monitoring method of the intelligent gas electromagnetic valve according to claim 1, wherein:
Acquiring real-time gas transmission regulation data of a gas electromagnetic valve on a gas pipeline, judging whether the gas electromagnetic valve is currently in a normal valve action state or not based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time, and comprising the following steps:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline; based on a control instruction applied to the gas electromagnetic valve in real time, determining a corresponding expected gas transmission and distribution proportion of the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
3. The remote monitoring method of the intelligent gas electromagnetic valve as set forth in claim 2, wherein:
When the gas electromagnetic valve is in a normal valve action state at present, carrying out state change analysis on the real-time gas transmission regulation data to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is positioned; based on the gas transmission stability degree information, judging whether the gas electromagnetic valve has a gas leakage event or not, thereby adjusting the working state of the gas electromagnetic valve, comprising:
when the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas leakage event does not occur to the gas electromagnetic valve; when the gas leakage event occurs in the gas electromagnetic valve, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
4. A method of remotely monitoring an intelligent gas solenoid valve as set forth in claim 3, wherein:
when the gas electromagnetic valve is not in a normal valve action state at present, applying records based on a control instruction of the gas electromagnetic valve, and performing valve action recovery control on the gas electromagnetic valve; analyzing the real-time gas transmission regulation data of the gas battery valve after the valve action recovery control is completed, judging whether the gas electromagnetic valve recovers to normal valve action, so as to adjust the working state of the gas electromagnetic valve, and comprising the following steps:
when the gas electromagnetic valve is not in a normal valve action state at present, analyzing a control instruction application record of the gas electromagnetic valve to obtain respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle restoration control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
analyzing the respective gas transmission flow data of all downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers normal valve action; otherwise, judging that the gas electromagnetic valve does not recover the normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
5. The remote monitoring method of the intelligent gas electromagnetic valve according to claim 4, wherein: after sending a valve opening angle recovery control instruction to the gas electromagnetic valve, the gas electromagnetic valve further comprises:
step S1, judging whether the electromagnetic valves which are not restored exist or not according to feedback information of all the electromagnetic valves by using the following formula (1),
Y(a)＝F{T(a)≤T 0 |θ[Z 16 (a)]＝θ max }(1)
in the above formula (1), Y (a) represents a determination value of whether the a-th electromagnetic valve is an electromagnetic valve that is not restored; t (a) represents a time period from the transmission of the valve opening angle recovery control command to the reception of feedback information of the a-th electromagnetic valve, and if T is exceeded 0 If the time length does not receive feedback information yet, T (a) is infinity; t (T) 0 Representing a preset duration; z is Z 16 (a) A 16-ary form representing feedback information of the a-th solenoid valve; theta [ Z ] 16 (a)]The angle information in the feedback information of the a-th electromagnetic valve is converted into decimal; θ max Representing a maximum opening angle value of the electromagnetic valve; f { T (a) is less than or equal to T 0 |θ[Z 16 (a)]＝θ max And if T (a) is less than or equal to T 0 Judging theta Z 16 (a)]＝θ max If so, the function value is 1, if not, the function value is 0, if T (a) is not less than T 0 Then the function value is directly 0 and θ [ Z ] is not performed 16 (a)]＝θ max Is judged by (1);
If Y (a) =1, it means that the a-th electromagnetic valve is not an electromagnetic valve that is not restored; if Y (a) =0, it means that the a-th electromagnetic valve belongs to an electromagnetic valve that is not restored;
step S2, if the electromagnetic valve which is not restored exists, setting high to a reset pin of the corresponding electromagnetic valve, sending reset power-on information to the corresponding electromagnetic valve after resetting, simultaneously switching the electromagnetic valve to a maximum opening angle state, judging whether the electromagnetic valve which is not restored has mechanical failure according to the received reset power-on information of the electromagnetic valve which is not restored by utilizing the following formula (2),
E(i)＝F{T_s(i)≤T 0 |S 16 (i)-S_D 16 ＝0}(2)
in the above formula (2), E (i) represents a control value of the ith electromagnetic valve mechanical failure lamp that is not recovered; s is S 16 (i) A 16-system form of reset power-on information representing return of the ith electromagnetic valve which is not reset; S_D 16 A 16-ary form representing standard reset power-on information; t_s (i) represents the time from the setting of the reset pin of the ith electromagnetic valve which is not reset to the receiving of the reset power-on return of the ith electromagnetic valve which is not reset; f { T_s (i) is less than or equal to T 0 |S 16 (i)-S_D 16 =0 } means that if T_s (i). Ltoreq.T is satisfied 0 Then judge S 16 (i)-S_D 16 Whether =0 is true or not, if true, the function value is 1, if false, the function value is 0, if not, t_s (i) is less than or equal to T 0 Then the function value is directly 0 and S is not performed 16 (i)-S_D 16 A judgment of =0; if E (i) =1, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned off;
if E (i) =0, controlling the mechanical fault lamp of the electromagnetic valve which is not restored to be turned on;
step S3, controlling whether to send maintenance notification information according to the control values of the mechanical fault lamps of all the electromagnetic valves and the judgment value of whether the electromagnetic valve which is not restored is the electromagnetic valve which is not restored by using the following formula (3),
in the above formula (3), R represents a control finger of whether to send an overhaul notification message; IF { } represents a judgment function, the function value of the judgment function is 1 IF the expression in the brackets is established, and the function value of the judgment function is 0 IF the expression in the brackets is not established; n represents the total number of all electromagnetic valves;
if r=1, sending an overhaul notification message;
if r=0, no overhaul notification message is sent.
6. A remote monitoring system for an intelligent gas solenoid valve, comprising:
the fuel gas transmission regulation data acquisition module is used for acquiring real-time fuel gas transmission regulation data of the fuel gas electromagnetic valve on the fuel gas pipeline;
The valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state currently based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time;
the fuel gas transmission stability identification module is used for carrying out change state analysis on the real-time fuel gas transmission regulation data when the fuel gas electromagnetic valve is in a normal valve action state at present, so as to obtain fuel gas transmission stability degree information of a fuel gas pipeline section where the fuel gas electromagnetic valve is positioned;
the gas electromagnetic valve work adjusting module is used for judging whether the gas electromagnetic valve has a gas leakage event or not based on the gas transmission stability degree information so as to adjust the working state of the gas electromagnetic valve;
the gas electromagnetic valve recovery control module is used for performing valve action recovery control on the gas electromagnetic valve based on the record of the control instruction of the gas electromagnetic valve when the gas electromagnetic valve is not in a normal valve action state at present;
and the gas electromagnetic valve work adjusting module is also used for analyzing the real-time gas transmission adjusting data of the gas battery valve after the valve action recovery control is finished and judging whether the gas electromagnetic valve recovers to the normal valve action or not so as to adjust the working state of the gas electromagnetic valve.
7. The remote monitoring system of the intelligent gas solenoid valve according to claim 5, wherein: the gas transmission regulation data acquisition module is used for acquiring real-time gas transmission regulation data of the gas solenoid valve to the gas pipeline, and comprises:
collecting respective gas transmission flow data of an upstream pipeline and a downstream pipeline at the position of a gas electromagnetic valve, and comparing the respective gas transmission flow data of the upstream pipeline and the downstream pipeline to obtain the relative proportion of the respective gas transmission flow of all the downstream pipelines and the upstream pipeline; the valve action state judging module is used for judging whether the gas electromagnetic valve is in a normal valve action state currently or not based on the real-time gas transmission regulation data and a control instruction applied to the gas electromagnetic valve in real time, and comprises the following steps:
based on a control instruction applied to the gas electromagnetic valve in real time, determining a corresponding expected gas transmission and distribution proportion of the gas electromagnetic valve under the action of the control instruction; comparing the relative proportion of the fuel gas transmission flow with the expected fuel gas transmission diversion proportion, and judging whether the relative proportion of the fuel gas transmission flow and the expected fuel gas transmission diversion proportion are consistent; if yes, judging that the gas electromagnetic valve is in a normal valve action state currently; if not, judging that the gas electromagnetic valve is not in the normal valve action state currently.
8. The remote monitoring system of the intelligent gas solenoid valve according to claim 6, wherein:
the gas transmission stability identification module is used for performing change state analysis on the real-time gas transmission regulation data when the gas electromagnetic valve is in a normal valve action state at present to obtain gas transmission stability degree information of a gas pipeline section where the gas electromagnetic valve is located, and comprises the following steps:
when the gas electromagnetic valve is in a normal valve action state at present, carrying out change state analysis on the respective gas transmission flow data of all the downstream pipelines to obtain respective gas transmission flow floating change rates of all the downstream pipelines;
the gas solenoid valve work adjustment module is used for judging whether the gas solenoid valve has a gas leakage event based on the gas transmission stability degree information so as to adjust the working state of the gas solenoid valve, and comprises:
comparing the gas transmission flow floating change rate with a preset change rate threshold, and judging that the gas electromagnetic valve has a gas leakage event if the gas flow floating change rate is greater than or equal to the preset change rate threshold; otherwise, judging that the gas leakage event does not occur to the gas electromagnetic valve; when the gas leakage event occurs in the gas electromagnetic valve, a closing control instruction is sent to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
9. The remote monitoring system of the intelligent gas solenoid valve according to claim 7, wherein: the gas electromagnetic valve recovery control module is used for performing valve action recovery control on the gas electromagnetic valve based on the control instruction application record of the gas electromagnetic valve when the gas electromagnetic valve is not in a normal valve action state currently, and comprises the following steps:
when the gas electromagnetic valve is not in a normal valve action state at present, analyzing a control instruction application record of the gas electromagnetic valve to obtain respective opening angle state information of all electromagnetic valves in the gas electromagnetic valve; based on the opening angle state information, sending a valve opening angle restoration control instruction to the gas electromagnetic valve so as to enable all electromagnetic valves to be switched to a maximum opening angle state;
the gas solenoid valve work adjustment module is also used for analyzing the real-time gas transmission adjustment data of the gas battery valve after valve action recovery control, judging whether the gas solenoid valve recovers normal valve action or not, so as to adjust the work state of the gas solenoid valve, and comprises the following steps:
analyzing the respective gas transmission flow data of all downstream pipelines corresponding to the gas solenoid valve after valve action recovery control is completed, judging whether the downstream pipelines are in a preset maximum gas flow transmission state, and if yes, judging that the gas solenoid valve recovers normal valve action; otherwise, judging that the gas electromagnetic valve does not recover the normal valve action; and when the gas electromagnetic valve does not recover the normal valve action, sending a closing control instruction to the gas electromagnetic valve, so that all electromagnetic valves in the gas electromagnetic valve are switched to a closing state.
CN202311670408.5A 2023-12-07 2023-12-07 Remote monitoring method and system for intelligent gas electromagnetic valve Pending CN117469466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311670408.5A CN117469466A (en) 2023-12-07 2023-12-07 Remote monitoring method and system for intelligent gas electromagnetic valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311670408.5A CN117469466A (en) 2023-12-07 2023-12-07 Remote monitoring method and system for intelligent gas electromagnetic valve

Publications (1)

Publication Number Publication Date
CN117469466A true CN117469466A (en) 2024-01-30

Family

ID=89638092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311670408.5A Pending CN117469466A (en) 2023-12-07 2023-12-07 Remote monitoring method and system for intelligent gas electromagnetic valve

Country Status (1)

Country Link
CN (1) CN117469466A (en)

Similar Documents

Publication Publication Date Title
CN101458973B (en) Safety monitoring system for nucleus electromotor unit
CN203324809U (en) Diagnostic apparatus for control system
CA2772557A1 (en) Emergency test control panel device, system, and method
KR20220132818A (en) AI Gas Leak Detection System with Self-Diagnosis Function and operating Method thereof
CN112067282A (en) Method and device for testing full-stroke activity of steam turbine valve
CN117469466A (en) Remote monitoring method and system for intelligent gas electromagnetic valve
CN111019692B (en) Method for automatically controlling large valve switching of ethylene cracking furnace
CN114321716B (en) Intelligent gas pressure regulating equipment with auxiliary-circuit switching function
CN113944878A (en) Intelligent control method for natural gas distribution station
Chang et al. Example use of the SACADA data to inform HRA
CN103439950B (en) A kind of automatic start-stop detection method and system being applied to water system
CN109167432B (en) Online identification method for remote control object regulated and controlled by transformer substation
CN208506585U (en) A kind of production line maintenance defense controls system
CN110096038A (en) A kind of functional module automatic control system and its control method
CN111896241A (en) Method and device for testing partial stroke activity of steam turbine valve
CN106444516B (en) Low-pressure regulation and control system and method for urban water supply network terminal
CN112576318B (en) DEH system and overspeed prevention method thereof
CN1811823A (en) Fire fighting water pump set cycle checking and monitoring system and device
CN113457061B (en) Automatic inspection control system and method for fire fighting of gypsum board line
CN112121481B (en) Full-automatic protection method and system for open-close plates of filter press
CN107977239A (en) A kind of new energy power prediction system intelligent upgrade method
CN111550219B (en) Remote control method and device for natural gas well
CN109582049B (en) Intelligent liquid level adjusting method for gas system
KR102507147B1 (en) Building Automation System using artificial intelligence-based building facility operation assistance system, and operating method of the system
CN117825037A (en) Nuclear power station nuclear level electromagnetic valve performance detection system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination