CN114266170A - Method and device for identifying gas source supply range in gas transmission and distribution pipe network - Google Patents
Method and device for identifying gas source supply range in gas transmission and distribution pipe network Download PDFInfo
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Abstract
The application relates to the technical field of gas transmission and distribution networks, in particular to a method and a device for identifying a gas source supply range in a gas transmission and distribution network, wherein the method comprises the steps of acquiring all user nodes associated with target gas source nodes based on a pipe network model; selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes; and determining the gas source supply range of the target gas source node according to all the target user nodes, assisting natural gas company personnel in scheduling the gas pipe network, knowing the gas supply capacity range of each gas source, and providing reference for the influence range possibly caused by subsequent management of the pipeline.
Description
Technical Field
The application relates to the technical field of gas transmission and distribution networks, in particular to a method and a device for identifying a gas source supply range in a gas transmission and distribution network.
Background
The fuel gas can be divided into natural gas, artificial fuel gas, liquefied petroleum gas, biomass gas and the like according to the source, and with the continuous development of urban scale and the increasing expansion of pipe network scale, the production operation management of fuel gas enterprises faces more severe examination.
In a pipe network, the sources of gas delivered to users may be several, and each different gas occupies a different ratio of gas sources. In the actual pipe network management process, pipe network operators are difficult to estimate the specific user range affected by any gas source (gas source) after adjustment, so that the problems of difficult gas pipe network management and complex work are caused.
Disclosure of Invention
In view of the above, the present application is proposed to provide a method and a device for identifying the supply range of a gas source in a gas transmission and distribution network, which overcome or at least partially solve the above problems, comprising:
a method for identifying a gas source supply range in a gas transmission and distribution pipe network comprises the following steps:
acquiring all user nodes associated with the target gas source node based on the pipe network model;
selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes;
and determining the air source supply range of the target air source node according to all the target user nodes.
Preferably, the method further comprises the following steps:
calling a geographic information system to obtain geographic information data of all users, geographic information data of all gas sources and flow direction data of each gas source;
and constructing the pipe network model according to the geographic information data of all users, the geographic information data of all gas sources and the flow direction data of each gas source, wherein the user nodes are generated according to the geographic information data of the users, the gas source nodes are generated according to the geographic position data of the gas sources, and the user nodes and the gas source nodes are associated according to the flow direction data.
Preferably, the acquiring all the user nodes associated with the target gas source node based on the pipe network model includes:
acquiring gas source data of each user node associated with the target gas source node based on the pipe network model, wherein the gas source data comprises a plurality of gas source labels and a gas source ratio corresponding to each gas source label; the air source ratio represents a ratio of an air source value corresponding to one of the air source labels to an air source total value corresponding to the user node, and each air source node corresponds to one of the air source labels.
Preferably, the selecting, from all the user nodes associated with the target gas source node, a user node mainly associated with the target gas source node, and marking the selected user node as a target user node includes:
selecting the air source label with the largest air source ratio according to the air source ratio;
determining the air source node mainly associated with each user node according to the selected air source label;
and selecting the mainly associated gas source node as a user node of the target gas source node, and marking the selected user node as the target user node.
Preferably, the determining the air supply range of the target air supply node according to all the target user nodes includes:
acquiring geographic information data of the target user node based on the pipe network model;
and determining the gas source supply range of the target gas source node according to the geographic information data of all the target user nodes.
Also provides a method for identifying the gas source supply range in the gas transmission and distribution pipe network, which comprises the following steps:
acquiring all user nodes and gas source nodes mainly associated with each user node based on a pipe network model;
selecting the mainly related gas source node as a user node of a target gas source node, and marking the selected user node as the target user node;
and determining the air source supply range of the target air source node according to all the target user nodes.
Still provide a gas transmission and distribution pipe network gas source supply scope recognition device, include:
the first node acquisition module is used for acquiring all user nodes associated with the target gas source node based on the pipe network model;
the first node selection module is used for selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes;
and the first range determining module is used for determining the air source supply range of the target air source node according to all the target user nodes.
Still provide a gas transmission and distribution pipe network gas source supply scope recognition device, include:
the second node acquisition module is used for acquiring all user nodes and gas source nodes mainly associated with each user node based on a pipe network model;
the second node selection module is used for selecting the mainly related gas source node as a user node of the target gas source node and marking the selected user node as the target user node;
and the second range determining module is used for determining the air source supply range of the target air source node according to all the target user nodes.
A computer device comprising a processor, a memory and a computer program stored on the memory and capable of running on the processor, the computer program, when executed by the processor, implementing the steps of the method for identifying the supply range of an air source in a gas distribution network as described above.
A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for identifying a supply range of a gas source in a gas transmission and distribution network as described above.
The application has the following advantages:
in the embodiment of the application, all user nodes associated with the target gas source node are obtained based on a pipe network model; selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes; and determining the air source supply range of the target air source node according to all the target user nodes. According to the technical scheme, all user nodes related to the target gas source node are obtained in the pipe network model, the user node mainly related to the target gas source node is selected from the selected user nodes as the target user node, and finally the supply range of the target gas source node is determined according to the selected target user node, so that the natural gas company personnel are assisted in scheduling the gas pipe network, the gas supply capacity range of each gas source is known, and reference is provided for the possible influence range of subsequent management of the pipeline.
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In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a flowchart illustrating steps of a method for identifying a gas supply range in a gas transmission and distribution pipe network according to an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating steps of a method for identifying a gas supply range in a gas transmission and distribution pipe network according to an embodiment of the present disclosure;
fig. 3 is a block diagram illustrating a structure of a gas supply range identification apparatus in a gas transmission and distribution pipe network according to an embodiment of the present disclosure;
fig. 4 is a block diagram illustrating a structure of a gas supply range recognition device in a gas transmission and distribution pipe network according to an embodiment of the present disclosure;
fig. 5 is a block diagram of a computer device according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in any embodiment of the present invention, the method and the apparatus for identifying the supply range of the gas source in the gas transmission and distribution pipe network are calculated based on steady-state simulation, and the upstream and downstream flows in the pipeline are equal. Although the flow state of the pipe network at a certain moment can be calculated in the steady-state simulation, the flow state of the pipe network actually changes in real time, and the calculation result is difficult to be accurate and can be verified only through the steady-state simulation, but the result is an approximate result, which meets the requirement of guiding a pipe network scheduling personnel to know the state of the pipe network.
Referring to fig. 1, a flowchart illustrating steps of a method for identifying a gas supply range in a gas transmission and distribution pipe network according to an embodiment of the present application is shown.
The method comprises the following steps:
s110, acquiring all user nodes associated with the target gas source node based on a pipe network model;
s120, selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes;
and S130, determining the air source supply range of the target air source node according to all the target user nodes.
In the embodiment of the application, all user nodes associated with the target gas source node are obtained based on a pipe network model; selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes; and determining the air source supply range of the target air source node according to all the target user nodes. According to the technical scheme, all user nodes related to the target gas source node are obtained in the pipe network model, the user node mainly related to the target gas source node is selected from the selected user nodes as the target user node, and finally the supply range of the target gas source node is determined according to the selected target user node, so that the natural gas company personnel are assisted in scheduling the gas pipe network, the gas supply capacity range of each gas source is known, and reference is provided for the possible influence range of subsequent management of the pipeline.
Next, a method for identifying the gas supply range in the gas transmission and distribution pipeline network in the exemplary embodiment will be further described.
And acquiring all user nodes associated with the target gas source node based on the pipe network model as described in the step S110.
In an embodiment of the present invention, the specific process of the "pipe network model" in step S110 can be further described with reference to the following description.
The method for acquiring all user nodes associated with a target gas source node based on a pipe network model comprises the following steps:
calling a geographic information system to obtain geographic information data of all users, geographic information data of all gas sources and flow direction data of each gas source;
and constructing the pipe network model according to the geographic information data of all users, the geographic information data of all gas sources and the flow direction data of each gas source, wherein the user nodes are generated according to the geographic information data of the users, the gas source nodes are generated according to the geographic position data of the gas sources, and the user nodes and the gas source nodes are associated according to the flow direction data.
It should be noted that, the pipe network model is constructed, a gas pipe network flow diagram of a certain area is stored in the pipe network model, a transmission and distribution starting point and a transmission and distribution end point of each gas source are marked, the transmission and distribution starting point is a gas source node, and the transmission and distribution end point is a user node. In the pipe network model, a user node may be a transmission and distribution destination of a plurality of gas source nodes, and a gas source node may be a transmission and distribution starting point of a plurality of user nodes. For a user node, the air sources obtained by the transmission and distribution are generally mixed, the ratio of the air sources occupied by the air sources mixed in the air source node can be different or the same, and the air source node with the larger air source ratio is more associated with the user node.
In an embodiment of the present invention, the specific process of "acquiring all user nodes associated with the target gas source node" in step S110 may be further described in conjunction with the following description.
Acquiring gas source data of each user node associated with the target gas source node based on the pipe network model, wherein the gas source data comprises a plurality of gas source labels and a gas source ratio corresponding to each gas source label; the air source ratio represents a ratio of an air source value corresponding to one of the air source labels to an air source total value corresponding to the user node, and each air source node corresponds to one of the air source labels.
It should be noted that the air source data further includes the air source flow rate corresponding to each air source label, and the flow rates per unit volume of different air sources are also different. Through air source label kind in the air supply data, can know which kind of air supply that user node is relevant, through the air supply label, also can instruct the specific flow direction of gas to the downstream user node after the reposition of redundant personnel of upper reaches of each air supply node transmission and distribution, through graphical display, can make the operating personnel visual observation.
As stated in step S120, in all the user nodes associated with the target gas source node, a user node mainly associated with the target gas source node is selected, and the selected user node is marked as a target user node.
In an embodiment of the present invention, a specific process of "selecting a user node mainly associated with the target gas source node and marking the selected user node as a target user node" in step S120 may be further described with reference to the following description.
Selecting the air source label with the largest air source ratio according to the air source ratio;
determining the air source node mainly associated with each user node according to the selected air source label;
and selecting the mainly associated gas source node as a user node of the target gas source node, and marking the selected user node as the target user node.
And selecting the air source label with the largest air source ratio in all the air source labels in the selected user nodes, then determining the air source nodes mainly associated with the selected user nodes according to the selected air source labels, and marking the user nodes mainly associated with the target air source nodes as target user nodes, thereby obtaining the target user nodes mainly associated with the target air source nodes.
It should be noted that when at least two equal maximum air source ratios occur, the air source label with the maximum air source flow value is selected.
As stated in step S130, the air supply range of the target air supply node is determined according to all the target user nodes.
In an embodiment of the present invention, the specific process of "determining the air supply range of the target air supply node" in step S120 may be further described in conjunction with the following description.
Acquiring geographic information data of the target user node based on the pipe network model according to the following steps;
and determining the gas source supply range of the target gas source node according to the geographic information data of all the target user nodes.
Referring to fig. 2, a flow chart of steps of a method for identifying a gas supply range in a gas transmission and distribution pipe network according to an embodiment of the present application is shown.
The method comprises the following steps:
s210, acquiring all user nodes and air source nodes mainly associated with each user node based on a pipe network model;
s220, selecting the mainly related gas source node as a user node of a target gas source node, and marking the selected user node as the target user node;
and S230, determining the air source supply range of the target air source node according to all the target user nodes.
Referring to fig. 3, a block diagram of a structure of a device for identifying a gas supply range in a gas transmission and distribution pipe network according to an embodiment of the present disclosure is shown.
The device comprises:
a first node obtaining module 110, configured to obtain all user nodes associated with a target air source node based on a pipe network model;
a first node selection module 120, configured to select, from all the user nodes associated with a target air source node, a user node mainly associated with the target air source node, and mark the selected user node as a target user node;
a first range determining module 130, configured to determine an air supply range of the target air supply node according to all the target user nodes.
In one embodiment, the apparatus further comprises:
the data acquisition module is used for calling a geographic information system to acquire geographic information data of all users, geographic information data of all gas sources and flow direction data of each gas source;
and the model building module is used for building the pipe network model according to the geographic information data of all users, the geographic information data of all gas sources and the flow direction data of each gas source, wherein the user nodes are generated according to the geographic information data of the users, the gas source nodes are generated according to the geographic position data of the gas sources, and the user nodes and the gas source nodes are associated according to the flow direction data.
In an embodiment, the first node obtaining module 110 includes:
the first data acquisition submodule is used for acquiring air source data of each user node associated with the target air source node based on the pipe network model, and the air source data comprises a plurality of air source labels and an air source ratio corresponding to each air source label; the air source ratio represents a ratio of an air source value corresponding to one of the air source labels to an air source total value corresponding to the user node, and each air source node corresponds to one of the air source labels.
In an embodiment, the first node selecting module 120 includes:
the label selection submodule is used for selecting the air source label with the largest air source ratio according to the air source ratio;
the node determining submodule is used for determining the air source node mainly associated with each user node according to the selected air source label;
and the node selection submodule is used for selecting the mainly associated gas source node as the user node of the target gas source node and marking the selected user node as the target user node.
In one embodiment, the first range determination module 130 includes:
the second data acquisition submodule is used for acquiring the geographic information data of the target user node based on the pipe network model;
and the range determining submodule is used for determining the gas source supply range of the target gas source node according to the geographic information data of all the target user nodes.
Referring to fig. 4, a block diagram of a structure of a gas supply range identification apparatus in a gas transmission and distribution pipe network according to an embodiment of the present disclosure is shown.
The device comprises:
a second node obtaining module 210, configured to obtain all user nodes and an air source node mainly associated with each user node based on a pipe network model;
a second node selecting module 220, configured to select the mainly associated air source node as a user node of the target air source node, and mark the selected user node as a target user node;
a second range determining module 230, configured to determine, according to all the target user nodes, an air supply range of the target air supply node.
Referring to fig. 5, a computer device for identifying a gas supply range in a gas transmission and distribution pipe network according to the present invention is shown, which may specifically include the following:
the computer device 12 described above is embodied in the form of a general purpose computing device, and the components of the computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (commonly referred to as "hard drives"). Although not shown in FIG. 5, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. The memory may include at least one program product having a set (e.g., at least one) of program modules 42, with the program modules 42 configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules 42, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
The processing unit 16 executes programs stored in the system memory 28 to perform various functional applications and data processing, for example, implementing the method for identifying the supply range of the gas source in the gas transmission and distribution pipeline network according to the embodiment of the present invention.
That is, the processing unit 16 implements, when executing the program,: acquiring all user nodes associated with the target gas source node based on the pipe network model; selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes; determining the air source supply range of the target air source node according to all the target user nodes;
or acquiring all user nodes and the air source node mainly associated with each user node based on a pipe network model; selecting the mainly related gas source node as a user node of a target gas source node, and marking the selected user node as the target user node; and determining the air source supply range of the target air source node according to all the target user nodes.
In an embodiment of the present invention, the present invention further provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method as provided in all embodiments of the present application:
that is, the program when executed by the processor implements: acquiring all user nodes associated with the target gas source node based on the pipe network model; selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes; determining the air source supply range of the target air source node according to all the target user nodes;
or acquiring all user nodes and the air source node mainly associated with each user node based on a pipe network model; selecting the mainly related gas source node as a user node of a target gas source node, and marking the selected user node as the target user node; and determining the air source supply range of the target air source node according to all the target user nodes.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the operator's computer, partly on the operator's computer, as a stand-alone software package, partly on the operator's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the operator's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The method and the device for identifying the gas source supply range in the gas transmission and distribution pipe network are introduced in detail, specific examples are applied in the method for explaining the principle and the implementation mode of the method, and the description of the examples is only used for helping to understand the method and the core idea of the method; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A method for identifying a gas source supply range in a gas transmission and distribution pipe network is characterized by comprising the following steps:
acquiring all user nodes associated with the target gas source node based on the pipe network model;
selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes;
and determining the air source supply range of the target air source node according to all the target user nodes.
2. The method of claim 1, further comprising:
calling a geographic information system to obtain geographic information data of all users, geographic information data of all gas sources and flow direction data of each gas source;
and constructing the pipe network model according to the geographic information data of all users, the geographic information data of all gas sources and the flow direction data of each gas source, wherein the user nodes are generated according to the geographic information data of the users, the gas source nodes are generated according to the geographic position data of the gas sources, and the user nodes and the gas source nodes are associated according to the flow direction data.
3. The method of claim 1, wherein the obtaining all user nodes associated with the target gas source node based on the pipe network model comprises:
acquiring gas source data of each user node associated with the target gas source node based on the pipe network model, wherein the gas source data comprises a plurality of gas source labels and a gas source ratio corresponding to each gas source label; the air source ratio represents a ratio of an air source value corresponding to one of the air source labels to an air source total value corresponding to the user node, and each air source node corresponds to one of the air source labels.
4. The method according to claim 3, wherein the selecting, from all the user nodes associated with the target gas source node, a user node mainly associated with the target gas source node, and marking the selected user node as a target user node comprises:
selecting the air source label with the largest air source ratio according to the air source ratio;
determining the air source node mainly associated with each user node according to the selected air source label;
and selecting the mainly associated gas source node as a user node of the target gas source node, and marking the selected user node as the target user node.
5. The method of claim 2, wherein said determining an air supply range of said target air supply node from all of said target user nodes comprises:
acquiring geographic information data of the target user node based on the pipe network model;
and determining the gas source supply range of the target gas source node according to the geographic information data of all the target user nodes.
6. A method for identifying a gas source supply range in a gas transmission and distribution pipe network is characterized by comprising the following steps:
acquiring all user nodes and gas source nodes mainly associated with each user node based on a pipe network model;
selecting the mainly related gas source node as a user node of a target gas source node, and marking the selected user node as the target user node;
and determining the air source supply range of the target air source node according to all the target user nodes.
7. A gas source supply range recognition device in a gas transmission and distribution pipe network is characterized by comprising:
the first node acquisition module is used for acquiring all user nodes associated with the target gas source node based on the pipe network model;
the first node selection module is used for selecting user nodes mainly associated with the target gas source node from all the user nodes associated with the target gas source node, and marking the selected user nodes as target user nodes;
and the first range determining module is used for determining the air source supply range of the target air source node according to all the target user nodes.
8. A gas source supply range recognition device in a gas transmission and distribution pipe network is characterized by comprising:
the second node acquisition module is used for acquiring all user nodes and gas source nodes mainly associated with each user node based on a pipe network model;
the second node selection module is used for selecting the mainly related gas source node as a user node of the target gas source node and marking the selected user node as the target user node;
and the second range determining module is used for determining the air source supply range of the target air source node according to all the target user nodes.
9. A computer device comprising a processor, a memory, and a computer program stored on the memory and capable of running on the processor, the computer program, when executed by the processor, implementing the method of any one of claims 1 to 6.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677748.1A CN114266170B (en) | 2021-12-31 | 2021-12-31 | Gas supply range identification method and device in gas distribution pipe network |
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| CN116756629A (en) * | 2023-05-24 | 2023-09-15 | 深圳市爱路恩济能源技术有限公司 | Gas consumption analysis method and device for gas users |
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| CN114266170B (en) | 2023-11-03 |
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