CN114811447A - Digital monitoring system and method for gas pressure regulating cabinet - Google Patents

Digital monitoring system and method for gas pressure regulating cabinet Download PDF

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Publication number
CN114811447A
CN114811447A CN202210284053.5A CN202210284053A CN114811447A CN 114811447 A CN114811447 A CN 114811447A CN 202210284053 A CN202210284053 A CN 202210284053A CN 114811447 A CN114811447 A CN 114811447A
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China
Prior art keywords
monitoring
data
module
pressure regulating
gas pressure
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CN202210284053.5A
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Chinese (zh)
Inventor
杨凯
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Jilin Baris Bio Technology Development Co ltd
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Jilin Baris Bio Technology Development Co ltd
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Priority to CN202210284053.5A priority Critical patent/CN114811447A/en
Publication of CN114811447A publication Critical patent/CN114811447A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/82—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
    • H04Q2209/823—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/88—Providing power supply at the sub-station
    • H04Q2209/883—Providing power supply at the sub-station where the sensing device enters an active or inactive mode

Abstract

The application provides a digital monitoring system and method for a gas pressure regulating cabinet. Wherein the system includes: the gas pipeline monitoring system comprises a main monitoring unit and a plurality of sub-monitoring units, wherein the main monitoring unit is arranged at a main monitoring station, the plurality of sub-monitoring units are sequentially arranged on each gas pressure regulating cabinet along a gas pipeline, and each sub-monitoring unit is respectively in communication connection with the main monitoring unit; the sub-monitoring unit is used for monitoring the gas pressure regulating cabinet, collecting monitoring data and sending the monitoring data to the main monitoring unit according to a preset period; the main monitoring unit is used for generating monitoring results according to the received monitoring data in each gas pressure regulating cabinet, and the monitoring results comprise state information of each gas pressure regulating cabinet. Compare in prior art, this application can carry out real time monitoring at the gas regulator cabinet on the main monitoring station gas pipeline, need not to patrol the line personnel and go to inspect the gas regulator cabinet every day, consequently in case produce the leakage can the very first time discovery, the response of reporting to the police is fast to the low power dissipation.

Description

Digital monitoring system and method for gas pressure regulating cabinet
Technical Field
The application relates to the technical field of gas pipeline detection, in particular to a digital monitoring system and method for a gas pressure regulating cabinet.
Background
The gas pressure regulating cabinet (also called natural gas pressure regulating cabinet or gas pressure regulating station) is a key device of a gas conveying pipeline, and the gas pressure regulating cabinet is mainly used for regulating and stabilizing system pressure, controlling gas flow of a gas conveying system and protecting the system from overhigh or overlow outlet pressure.
The equipment is numerous in the gas regulator cubicle, and most gas regulator cubicles all use local display instrument, have few teletransmission function, consequently need the patrol line personnel to go to inspect the gas regulator cubicle every day, need look over whether local instrument display data is normal, and the real-time is very poor, in case produce the gas and leak, can't discover at the very first time, cause great potential safety hazard.
In recent years, due to the fact that natural gas pipelines at the lower reaches of the gas pressure regulating cabinet leak, gas is gathered in a closed space, the gas concentration is continuously increased, finally, open fire or electric sparks are met to generate explosion accidents, life and property safety of the masses of people are seriously threatened, if the gas leakage can be found in time, leakage points are quickly repaired, people are evacuated in time, the closed space for gathering the gas is opened in time, the gas is discharged in time, accidents can be prevented, and life and property safety of the masses of people is protected.
Disclosure of Invention
The application aims to provide a digital monitoring system and method for a gas pressure regulating cabinet.
The application in the first aspect provides a digital monitored control system of gas regulator cubicle, includes:
the gas pipeline monitoring system comprises a main monitoring unit and a plurality of sub-monitoring units, wherein the main monitoring unit is arranged at a main monitoring station, the plurality of sub-monitoring units are sequentially arranged on each gas pressure regulating cabinet along a gas pipeline, and each sub-monitoring unit is respectively in communication connection with the main monitoring unit;
the sub-monitoring unit is used for monitoring the gas pressure regulating cabinet, collecting monitoring data and sending the monitoring data to the main monitoring unit according to a preset period;
and the main monitoring unit is used for generating a monitoring result according to the received monitoring data in each gas pressure regulating cabinet, and the monitoring result comprises the state information of each gas pressure regulating cabinet.
In a possible implementation manner, in the digital monitoring system for a gas pressure regulating cabinet provided in the embodiment of the present application, the main monitoring unit is further configured to send the monitoring result to the at least one communication terminal.
In a possible implementation manner, in the digital monitoring system for a gas pressure regulating cabinet provided in an embodiment of the present application, the sub-monitoring unit includes: the monitoring system comprises a display control module and a plurality of monitoring modules connected with the display control module;
the display control module is used for sequentially acquiring monitoring data corresponding to each monitoring module, generating an event data if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, storing the event data into an event buffer area, calculating the difference between the storing time of the first event data in the event buffer area and the current time, and sending all the event data in the event buffer area to the main monitoring unit when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
and the main monitoring unit is also used for generating alarm information according to the received event data in each gas pressure regulating cabinet.
In a possible implementation manner, in the digital monitoring system for the gas pressure regulating cabinet provided in the embodiment of the present application, the plurality of monitoring modules include at least one pressure monitoring module, at least one differential pressure monitoring module, at least one temperature monitoring module, at least one flow monitoring module, at least one emergency cut-off valve monitoring module, at least one cabinet door switch monitoring module, and at least one combustible gas monitoring module.
In a possible implementation manner, in the digital monitoring system for a gas pressure regulating cabinet provided in the embodiment of the present application, the plurality of monitoring modules are connected to the display control module through a protocol bus interface; the protocol bus interface adopts a 5-core design, wherein 2 cores are used for supplying power, 1 core is used for controlling communication and enabling, and 2 cores are used for communication.
In a possible implementation manner, in the digital monitoring system for the gas pressure regulating cabinet provided in the embodiment of the present application, the 2 cores used for communication in the protocol bus interface support RS485 communication and IIC communication, respectively.
In a possible implementation manner, in the digital monitoring system for a gas pressure regulating cabinet provided in the embodiment of the present application, the main monitoring unit and the plurality of sub-monitoring units are in communication connection through an NBiot module, a 4G module or a 5G module.
The second aspect of the present application provides a digital monitoring method for a gas regulator cabinet, which is applied to the digital monitoring system for a gas regulator cabinet of the first aspect, the method includes:
each sub-monitoring unit monitors the gas pressure regulating cabinet, collects monitoring data and sends the monitoring data to the main monitoring unit according to a preset period;
and the main monitoring unit generates a monitoring result according to the received monitoring data in each gas pressure regulating cabinet, wherein the monitoring result comprises the state information of each gas pressure regulating cabinet.
In a possible implementation manner, the digital monitoring method for a gas pressure regulating cabinet provided in the embodiment of the present application further includes:
in each sub-monitoring unit, a display control module sequentially collects monitoring data corresponding to each monitoring module;
if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, generating an event data, storing the event data into an event buffer area, calculating the difference between the storing time of the first event data in the event buffer area and the current time, and sending all the event data in the event buffer area to the main monitoring unit when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
and the main monitoring unit generates alarm information according to the received event data in each gas pressure regulating cabinet.
In a possible implementation manner, in the digital monitoring method for a gas pressure regulating cabinet provided in the embodiment of the present application, the display control module sequentially acquires monitoring data corresponding to each monitoring module, including:
the display control module controls the communication enable of the current monitoring module, so that the current monitoring module cancels the low power consumption mode to enter the acquisition mode after detecting the communication enable, and stores the acquired monitoring data into a cache;
the display control module sends a data reading command to the current monitoring module, so that the current monitoring module sends the cache data to the display control module after receiving the data reading command;
after the display control module stores the received monitoring data, the communication enabling of the current monitoring module is closed, and the current monitoring module enters a low power consumption mode;
and repeating the steps until the display control module reads all the monitoring modules of the paths in the configuration.
Compared with the prior art, the method has the following beneficial effects:
the application provides a digital monitoring system of gas regulator cubicle, including main monitoring unit and a plurality of sub-monitoring unit, main monitoring unit arranges in main control station, and a plurality of sub-monitoring unit arranges each gas regulator cubicle along the gas pipeline in proper order, each sub-monitoring unit respectively with main monitoring unit communication connection; the sub-monitoring unit is used for monitoring the gas pressure regulating cabinet, collecting monitoring data and sending the monitoring data to the main monitoring unit according to a preset period; the main monitoring unit is used for generating monitoring results according to received monitoring data in each gas pressure regulating cabinet, and the monitoring results comprise state information of each gas pressure regulating cabinet. Compare in prior art, this application can carry out real time monitoring at the gas regulator cabinet on the main control station gas pipeline, need not to patrol the line personnel and go to inspect the gas regulator cabinet every day, consequently in case produce the leakage can the very first time discovery, the response of reporting to the police is fast to the low power dissipation, data transmission volume is little, and data integrality is high simultaneously.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a digital monitoring system for a gas pressure regulating cabinet provided by the present application;
FIG. 2 is a schematic diagram of another gas regulator cabinet digital monitoring system provided by the present application;
FIG. 3 shows a schematic diagram of a sub-monitoring unit provided by the present application;
FIG. 4 is a schematic diagram of a digital monitoring system for a specific gas regulator cabinet provided by the present application;
FIG. 5 is a flow chart illustrating a digital monitoring method for a gas regulator cubicle according to the present invention;
reference numerals:
100. a main monitoring unit; 200. a sub-monitoring unit; 300. a communication terminal; 210. a display control module; 220. a monitoring module; 21. a first pressure monitoring module; 22. a second pressure monitoring module; 23. a differential pressure monitoring module; 24. a first temperature monitoring module; 25. a second temperature monitoring module; 26. a flow monitoring module; 27. an emergency cut-off valve monitoring module; 28. a first cabinet door switch monitoring module; 29. a second cabinet door switch monitoring module; 30. and a combustible gas monitoring module.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In addition, the terms "first" and "second", etc. are used to distinguish different objects, rather than to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 shows a schematic diagram of a digital monitoring system for gas pressure regulating cabinets provided in an embodiment of the present application, and as shown in fig. 1, the monitoring system includes a main monitoring unit 100 and a plurality of sub-monitoring units 200, the main monitoring unit 100 is disposed in a main monitoring station, the plurality of sub-monitoring units 200 are sequentially disposed in each gas pressure regulating cabinet along a gas pipeline, and each sub-monitoring unit 200 is in communication connection with the main monitoring unit 100.
Optionally, the main monitoring unit 100 and the plurality of sub-monitoring units 200 may be communicatively connected through an NBiot module, a 4G module, or a 5G module.
The sub-monitoring unit 200 is used for monitoring the gas pressure regulating cabinet, collecting monitoring data, and sending the monitoring data to the main monitoring unit according to a preset period; the main monitoring unit 100 is configured to generate a monitoring result according to the received monitoring data in each gas pressure regulating cabinet, where the monitoring result includes status information of each gas pressure regulating cabinet.
Specifically, the monitoring data of the gas pressure regulating cabinet may include a pressure value, a differential pressure value, a temperature value, a flow value, a combustible gas concentration value, a shutoff valve state, a cabinet door opening and closing state, and the like.
In this application, every sub-monitoring unit 200 all sends monitored data to main monitoring unit 100 according to predetermineeing the cycle, and main monitoring unit 100 judges the state of gas regulator cabinet according to the monitored data of every gas regulator cabinet, obtains the status information of every gas regulator cabinet, need not to patrol the staff and go to inspect the gas regulator cabinet every day. For example, when one or more of the monitoring data is abnormal, the abnormality of the gas pressure regulating cabinet is judged, and when all the monitoring data is normal, the normality of the gas pressure regulating cabinet is judged.
The preset period refers to a data uploading interval, and may be set to 1 hour, for example.
Referring to fig. 2, in some embodiments of the present application, the digital monitoring system for a gas regulator cabinet may further include at least one communication terminal 300, the communication terminal 300 is in communication connection with the main monitoring unit 100, and the communication terminal 300 may be a mobile phone, a tablet computer, a PC computer, or the like. The main monitoring unit 100 is further configured to send the monitoring result of the sub-monitoring unit 200 to at least one communication terminal 300, that is, send the state information of each gas regulator cabinet to the communication terminal 300, so that a user can see the state information of each gas regulator cabinet on the communication terminal 300 in time.
In practical application, the main monitoring unit may be a server, after receiving the monitoring data uploaded by the sub-monitoring units, the server compares the monitoring data with the system configuration parameter values, and performs corresponding alarming, early warning and reminding according to the system configuration parameter values, the communication terminal performs alarming content display, early warning content display, reminding content display and sound prompt, and the server is also responsible for issuing the parameter configuration data, including data acquisition intervals and reporting intervals of the sub-monitoring units. And the sub-monitoring unit receives the parameter configuration data issued by the server and carries out corresponding configuration according to the parameter configuration data.
Referring to fig. 3, in some embodiments of the present application, the sub-monitoring unit 200 may include a display control module 210 and a plurality of monitoring modules 220 connected to the display control module 210. The plurality of monitoring modules 220 may include at least one pressure monitoring module, at least one differential pressure monitoring module, at least one temperature monitoring module, at least one flow monitoring module, at least one trip emergency valve monitoring module, at least one cabinet door switch monitoring module, and at least one combustible gas monitoring module.
Specifically, the multiple monitoring modules are connected to the display control module 210 through a protocol bus interface; the protocol bus interface adopts a 5-core design, wherein 2 cores are used for supplying power, 1 core is used for controlling communication and enabling, and 2 cores are used for communication. And 2 cores used for communication in the protocol bus interface respectively support RS485 communication and IIC communication.
Specifically, the display control module 210 of each sub-monitoring unit 200 is used for supplying power to other monitoring modules 220, the display control module 210 uses an internal battery when no external power is supplied, the internal battery is not used when external power is supplied, the internal battery is not chargeable, the display control module 210 can read other monitoring module data, configure other monitoring module parameters, control other monitoring modules to enter a power saving mode, and control other monitoring modules to collect monitoring data.
Each module in the sub-monitoring unit is designed through special low power consumption, under the condition of typical application, external power supply is not used, the sub-monitoring unit can be used for more than 3 years, and when the external power supply is used, the sub-monitoring unit can be connected to a traditional 4-20Ma pressure transmitter, a temperature transmitter, a differential pressure transmitter, a combustible gas transmitter and a universal transmitter with the output of 4-20 Ma.
The display control module 210 receives the configuration file sent by the main monitoring unit 100 to configure each monitoring module 220. The configuration file comprises the read data intervals and types of all the monitoring modules and corresponding low-limit threshold values, low-limit alarm enabling, low-limit alarm filtering conditions, high-limit threshold values, high-limit alarm enabling, high-limit alarm filtering conditions, high-limit threshold values, high-limit alarm enabling and high-limit alarm filtering conditions. The high-limit alarm filtering condition comprises continuous shielding time CT and continuous shielding slope CK, repeated alarm is prevented through the filtering condition, communication times are reduced, and power consumption is reduced.
Wherein, the continuous shielding time CT means that the alarm is not given again within a certain time after the alarm. The continuous shielding slope CK means that after the alarm, when the change rate of the monitoring data is smaller than a rate threshold value, the alarm is not given any more, for example, the temperature change rate is smaller than 1 degree centigrade per second.
It should be noted that the display control module 210 may be provided with a large-capacity storage unit, which can store the monitoring data of the last 1 year, and perform historical data viewing through the keys and the screen.
The monitoring module 220 is connected to the display control module 210 through a protocol bus interface, the display control module 210 performs communication interface configuration through a dial switch, and the display control module 210 typically has 16 protocol bus interfaces, which can be extended to 256 protocol bus interfaces, where the paths are also referred to as channels.
Therefore, the display control module 210 can be extended to access other monitoring modules, and only the protocol bus interface of the system needs to be compatible, hardware does not need to be changed, and only software configuration or software upgrade needs to be supported.
The display control module 210 is configured to sequentially acquire monitoring data corresponding to each monitoring module, generate an event data if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, store the event data in an event buffer, calculate a difference between a storage time of the first event data in the event buffer and the current time, and send all event data in the event buffer to the main monitoring unit 100 when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
the main monitoring unit 100 is further configured to generate alarm information according to the received event data in each gas pressure regulating cabinet, and then send the alarm information to the communication terminal 300, so that the user can know the alarm information in time.
For easy understanding, fig. 4 shows a schematic diagram of a specific digital monitoring system of a gas pressure regulating cabinet, and as shown in fig. 4, the sub-monitoring unit 200 includes a display control module 210, a first pressure monitoring module 21, a second pressure monitoring module 22, a differential pressure monitoring module 23, a first temperature monitoring module 24, a second temperature monitoring module 25, a flow monitoring module 26, an emergency cut-off valve monitoring module 27, a first cabinet door switch monitoring module 28, a second cabinet door switch monitoring module 29, a combustible gas monitoring module 30, and 3 communication terminal devices 300.
Based on the digital monitoring system of the gas pressure regulating cabinet shown in fig. 4, one specific monitoring step is as follows:
s1: the data acquisition sequence of the display control module 210 is configured, and specifically comprises a pressure monitoring module 21, a pressure monitoring module 22, a differential pressure monitoring module 23, a temperature monitoring module 24, a temperature monitoring module 25, a flow monitoring module 26, an emergency cut-off valve monitoring module 27, a cabinet door switch monitoring module 28, a cabinet door switch monitoring module 29 and a combustible gas monitoring module 30. The data acquisition interval of the display control module 210 is configured to be 1 minute, the data uploading interval is 1 hour, and at this time, the display control module 210 will acquire data for 60 times and upload the data.
S2: after configuration is successful, the display control module 210 controls the communication enabling of the pressure monitoring module 21, after the pressure monitoring module 21 detects the control enabling, the low power consumption mode is cancelled to enter the acquisition mode, the pressure value data acquisition is started, the acquired data is placed into the cache, the display control module 210 controls the sending of the data reading command, after the pressure monitoring module 21 receives the data reading command, the cache data is sent to the display control module 210, after the display control module 210 stores the received data, the control enabling is closed, the data is compared with the alarm threshold value and does not accord with the alarm condition, the display control module 210 controls the communication enabling of the pressure monitoring module 22, after the pressure monitoring module 22 detects the control enabling, the low power consumption mode is cancelled to enter the acquisition mode, the pressure value data is acquired again, the acquired data is placed into the cache, the display control module 210 controls the sending of the data reading command, after receiving the data reading command, the pressure monitoring module 22 sends the cached data to the display control module 210, and after the display control module 210 stores the received data, the control enable is turned off, and then compared with the alarm threshold, if the alarm condition is not met, the display control module 210 continues to collect data of the next monitoring module, by analogy, until the combustible gas monitoring module 30 is completely collected, the display control module 210 enters a low power consumption mode, and enters a working mode after 1 minute, the display control module 210 collects monitoring data of the pressure monitoring module 21 first, then collecting the monitoring data of the pressure monitoring module 22 until the combustible gas monitoring module 30 is collected, entering a low power consumption mode, entering a working mode after 1 minute, until the collection is completed for 60 times, the display control module 210 compresses the monitoring data and uploads the compressed data to the main monitoring unit 100. The display control module 210 reduces the data transmission amount by the cache compression of the monitoring data, and simultaneously ensures the integrity of the monitoring data.
Based on the digital monitoring system of the gas pressure regulating cabinet shown in fig. 4, another specific monitoring step is as follows:
s10: the data acquisition sequence of the display control module 210 is configured, and specifically comprises a pressure monitoring module 21, a pressure monitoring module 22, a differential pressure monitoring module 23, a temperature monitoring module 24, a temperature monitoring module 25, a flow monitoring module 26, an emergency cut-off valve monitoring module 27, a cabinet door switch monitoring module 28, a cabinet door switch monitoring module 29 and a combustible gas monitoring module 30. The data acquisition interval of the display control module 210 is configured to be 1 minute, the data uploading interval is 1 hour, and at this time, the display control module 210 will acquire data for 60 times and upload the data.
S2: after configuration is successful, the display control module 210 controls the pressure monitoring module 21 to enable communication, after the pressure monitoring module 21 detects control enabling, the low power consumption mode is cancelled to enter the acquisition mode, pressure value data is acquired, the acquired data is placed into a cache, the display control module 210 controls sending of a data reading command, after the pressure monitoring module 2 receives the data reading command, the cache data is sent to the display control module 210, if the display control module 210 does not receive the data, the data reading command is tried to be sent again, retry is carried out for 3 times at most, after the display control module 210 stores the received data, control enabling is closed, then the control enabling is compared with an alarm threshold value, if the alarm condition is met, filtering condition judgment is carried out, if the filtering condition is not met, an event data is generated, the event data is placed into an event buffer area, and the difference between the storage time of the first event data in the event buffer area and the current time is calculated, when the time difference exceeds the preset time difference threshold, all events in the event buffer area are immediately sent to the main monitoring unit 100 together when the time difference exceeds the preset time difference threshold T, and the data acquisition of the next monitoring module is continued if the time difference does not exceed the preset threshold T.
S3: the display control module 210 controls the communication enabling of the pressure monitoring module 22, after the pressure monitoring module 22 detects the control enabling, the low power consumption mode is cancelled to enter the acquisition mode, the pressure value data is acquired again, the acquired data is put into the cache, the display control module 210 controls the sending of a data reading command, after the pressure monitoring module 22 receives the data reading command, the cache data is sent to the display control module 210, the display control module 210 stores the received data, the control enabling is closed, then the data is compared with an alarm threshold value, if the alarm condition is met, the judgment of a filtering condition is carried out, if the filtering condition is not met, an event data is generated and put into an event buffer area, the difference between the storage time and the current time of the first event data in the event buffer area is calculated, when the time difference exceeds a preset time difference threshold value, when the time difference exceeds the preset time difference threshold T, all events in the event buffer area are immediately sent to the main monitoring unit 100 together, and the data acquisition of the next monitoring module is continued if the time difference does not exceed the preset time difference threshold T, and so on until the gas monitoring module 30 is completely acquired. In general, the time for acquiring one monitoring module does not exceed 200ms, the threshold T is the time for acquiring all monitoring modules at one time, there are 10 monitoring modules, the threshold T is set to 2 seconds, when the data of all monitoring modules meet the alarm condition, 10 pieces of event data may be generated by the display control module 210, the display control module 210 calculates the difference between the time of the first piece of event data in the event buffer and the current time at regular time, when the event difference is greater than the threshold T, the time from the first event is about 2 seconds, the display control module 210 sends all event data to the main monitoring unit 100, and the main monitoring unit 100 alarms and notifies the communication terminal 300 of the alarm.
In the application, the whole monitoring system has relatively low power consumption of data acquisition and data storage, the maximum power consumption of data transmission and the time in addition to the low power consumption mode, the frequency of data transmission is greatly reduced by the method, the working time of equipment with high power consumption is reduced, when the acquired data value meets the alarm condition, the system can also quickly respond and send the monitoring data to the main monitoring unit and the communication terminal in time, the timeliness of the system is ensured, and the service life of the battery is prolonged.
Example two
Referring to fig. 5, the present application provides a digital monitoring method for a gas pressure regulating cabinet, including:
s101, each sub-monitoring unit monitors the gas pressure regulating cabinet, collects monitoring data and sends the monitoring data to a main monitoring unit according to a preset period;
s102, the main monitoring unit generates monitoring results according to the received monitoring data in each gas pressure regulating cabinet, and the monitoring results comprise state information of each gas pressure regulating cabinet.
In some embodiments of the present application, the method further comprises:
in each sub-monitoring unit, a display control module sequentially collects monitoring data corresponding to each monitoring module;
if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, generating an event data, storing the event data into an event buffer area, calculating the difference between the storing time of the first event data in the event buffer area and the current time, and sending all the event data in the event buffer area to the main monitoring unit when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
and the main monitoring unit generates alarm information according to the received event data in each gas pressure regulating cabinet.
In some embodiments of the present application, the step of the display control module sequentially acquiring the monitoring data corresponding to each monitoring module specifically includes:
the display control module controls the communication enable of the current monitoring module, so that the current monitoring module cancels the low power consumption mode to enter the acquisition mode after detecting the communication enable, and stores the acquired monitoring data into a cache;
the display control module sends a data reading command to the current monitoring module, so that the current monitoring module sends the cache data to the display control module after receiving the data reading command;
after the display control module stores the received monitoring data, the communication enabling of the current monitoring module is closed, and the current monitoring module enters a low power consumption mode;
and repeating the steps until the display control module reads all the monitoring modules of the paths in the configuration.
The digital monitoring method of the gas regulator cubicle provided by the embodiment of the application can carry out real-time monitoring on the gas regulator cubicle on the gas pipeline at the main monitoring station, and does not need to inspect the gas regulator cubicle every day by line patrol personnel, so that once leakage is generated, the gas regulator cubicle can be found at the first time, the alarm response is fast, the power consumption is low, the data transmission quantity is small, and the data integrity is high.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification.

Claims (10)

1. The utility model provides a digital monitored control system of gas regulator cubicle which characterized in that includes:
the gas pipeline monitoring system comprises a main monitoring unit and a plurality of sub-monitoring units, wherein the main monitoring unit is arranged at a main monitoring station, the plurality of sub-monitoring units are sequentially arranged on each gas pressure regulating cabinet along a gas pipeline, and each sub-monitoring unit is respectively in communication connection with the main monitoring unit;
the sub-monitoring unit is used for monitoring the gas pressure regulating cabinet, collecting monitoring data and sending the monitoring data to the main monitoring unit according to a preset period;
and the main monitoring unit is used for generating a monitoring result according to the received monitoring data in each gas pressure regulating cabinet, and the monitoring result comprises the state information of each gas pressure regulating cabinet.
2. The digital monitoring system of the gas regulator cabinet according to claim 1, further comprising at least one communication terminal;
the main monitoring unit is further configured to send the monitoring result to the at least one communication terminal.
3. The digital monitoring system of the gas pressure regulating cabinet according to claim 1 or 2, wherein the sub-monitoring unit comprises: the monitoring system comprises a display control module and a plurality of monitoring modules connected with the display control module;
the display control module is used for sequentially acquiring monitoring data corresponding to each monitoring module, generating an event data if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, storing the event data into an event buffer area, calculating the difference between the storing time of the first event data in the event buffer area and the current time, and sending all the event data in the event buffer area to the main monitoring unit when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
and the main monitoring unit is also used for generating alarm information according to the received event data in each gas pressure regulating cabinet.
4. The digital monitoring system of the gas pressure regulating cabinet according to claim 3, wherein the plurality of monitoring modules comprise at least one pressure monitoring module, at least one differential pressure monitoring module, at least one temperature monitoring module, at least one flow monitoring module, at least one emergency cut-off valve monitoring module, at least one cabinet door switch monitoring module and at least one combustible gas monitoring module.
5. The digital monitoring system of the gas pressure regulating cabinet according to claim 3, wherein the plurality of monitoring modules are connected with the display control module through a protocol bus interface; the protocol bus interface adopts a 5-core design, wherein 2 cores are used for supplying power, 1 core is used for controlling communication and enabling, and 2 cores are used for communication.
6. The digital monitoring system of the gas pressure regulating cabinet as claimed in claim 5, wherein 2 cores for communication in the protocol bus interface support RS485 communication and IIC communication respectively.
7. The digital monitoring system of the gas pressure regulating cabinet according to claim 1, wherein the main monitoring unit and the plurality of sub monitoring units are in communication connection through an NBiot module, a 4G module or a 5G module.
8. A digital monitoring method for a gas pressure regulating cabinet, which is applied to the digital monitoring system for the gas pressure regulating cabinet of any one of claims 1 to 8, and comprises the following steps:
each sub-monitoring unit monitors the gas pressure regulating cabinet, collects monitoring data and sends the monitoring data to the main monitoring unit according to a preset period;
and the main monitoring unit generates a monitoring result according to the received monitoring data in each gas pressure regulating cabinet, wherein the monitoring result comprises the state information of each gas pressure regulating cabinet.
9. The digital monitoring method for the gas pressure regulating cabinet according to claim 8, further comprising the following steps:
in each sub-monitoring unit, a display control module sequentially collects monitoring data corresponding to each monitoring module;
if the monitoring data corresponding to the current monitoring module meets the alarm condition and does not meet the filtering condition, generating an event data, storing the event data into an event buffer area, calculating the difference between the storing time of the first event data in the event buffer area and the current time, and sending all the event data in the event buffer area to the main monitoring unit when the time difference exceeds a preset time difference threshold; if the time difference does not exceed the preset time difference threshold, continuing to acquire the data of the next monitoring module; the preset time difference threshold is the time for the display control module to acquire all the monitoring modules at one time;
and the main monitoring unit generates alarm information according to the received event data in each gas pressure regulating cabinet.
10. The digital monitoring method for the gas pressure regulating cabinet according to claim 9, wherein the display control module sequentially collects the monitoring data corresponding to each monitoring module, and the method comprises the following steps:
the display control module controls the communication enable of the current monitoring module, so that the current monitoring module cancels the low power consumption mode to enter the acquisition mode after detecting the communication enable, and stores the acquired monitoring data into a cache;
the display control module sends a data reading command to the current monitoring module, so that the current monitoring module sends the cache data to the display control module after receiving the data reading command;
after the display control module stores the received monitoring data, the communication enabling of the current monitoring module is closed, and the current monitoring module enters a low power consumption mode;
and repeating the steps until the display control module reads all the monitoring modules of the paths in the configuration.
CN202210284053.5A 2022-03-22 2022-03-22 Digital monitoring system and method for gas pressure regulating cabinet Pending CN114811447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210284053.5A CN114811447A (en) 2022-03-22 2022-03-22 Digital monitoring system and method for gas pressure regulating cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210284053.5A CN114811447A (en) 2022-03-22 2022-03-22 Digital monitoring system and method for gas pressure regulating cabinet

Publications (1)

Publication Number Publication Date
CN114811447A true CN114811447A (en) 2022-07-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210284053.5A Pending CN114811447A (en) 2022-03-22 2022-03-22 Digital monitoring system and method for gas pressure regulating cabinet

Country Status (1)

Country Link
CN (1) CN114811447A (en)

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