CN113074323A - Intelligent voltage regulation control system and method - Google Patents
Intelligent voltage regulation control system and method Download PDFInfo
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- CN113074323A CN113074323A CN202110351560.1A CN202110351560A CN113074323A CN 113074323 A CN113074323 A CN 113074323A CN 202110351560 A CN202110351560 A CN 202110351560A CN 113074323 A CN113074323 A CN 113074323A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000013473 artificial intelligence Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 48
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000013528 artificial neural network Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003062 neural network model Methods 0.000 description 2
- 210000002569 neuron Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Classifications
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- 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
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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
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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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
- F17D5/00—Protection or supervision of installations
- F17D5/08—Protection of installations or persons from the effects of high voltage induced in the pipe-line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of voltage regulation control, in particular to an intelligent voltage regulation control system and method, which comprises a cloud platform and monitoring nodes, wherein the cloud platform is wirelessly connected with the monitoring nodes; the monitoring node comprises an electric actuator, a valve, a first pressure transmitter, a second pressure transmitter and an RTU; the cloud platform stores a comparison table, and the comparison table records the change relation between the pressure at two ends of the valve and the adjusting stroke of the electric actuator; and after receiving the node data transmitted by the monitoring node, the cloud platform controls the electric actuator to adjust the valve according to the node data and the pressure and stroke comparison table, so that the pressure on two sides of the valve is controlled. The pressure data in the pipeline is measured in real time, and the valve of the monitoring node is controlled according to the comparison table to regulate the pressure; the invention realizes accurate measurement and remote monitoring of the pipeline state, thereby adjusting the pressure balance of the pipeline gas at the monitoring node in real time.
Description
Technical Field
The invention relates to the technical field of voltage regulation control, in particular to an intelligent voltage regulation control system and method.
Background
As one of important clean energy sources in the present stage of China, natural gas is closely related to industrial production and social life, so that the reasonable use, regulation and control and management of the natural gas become an important part in urban construction. At present, natural gas storage and transportation in China are mainly pipelines, and a huge natural gas pipeline system forms a major artery for urban operation. Because natural gas has the characteristics of flammability and explosiveness, whether the pressure and the flow in the pipeline are always kept in a reasonable numerical range or not in the transportation and the use of the natural gas is an important factor for safely, stably and continuously supplying gas for downstream users. Therefore, the accurate monitoring and control of the flow and pressure values in the gas pipeline of the urban gas valve station are key links for reducing the safety risk of a natural gas pipeline network system and improving the management and regulation efficiency.
Disclosure of Invention
The invention aims to provide an intelligent pressure regulating control system and method capable of accurately monitoring the pressure in a gas pipeline and implementing intelligent regulation and control.
The basic scheme provided by the invention is as follows: an intelligent voltage regulation control system comprises a cloud platform and monitoring nodes, wherein the cloud platform is wirelessly connected with the monitoring nodes;
the monitoring node comprises an electric actuator, a valve, a first pressure transmitter, a second pressure transmitter and an RTU; the valve is used for adjusting the pressure at two ends of the valve; the electric actuator is used for controlling the valve to regulate pressure, and the first pressure transmitter and the second pressure transmitter are used for detecting pressure data at two ends of the valve; the RTU is used for establishing wireless connection between the monitoring node and the cloud platform;
the cloud platform stores a comparison table, and the comparison table records the change relation between the pressure at two ends of the valve and the adjusting stroke of the electric actuator; and after receiving the node data transmitted by the monitoring node, the cloud platform controls the electric actuator to adjust the valve according to the node data and the pressure and stroke comparison table, so that the pressure on two sides of the valve is controlled.
The principle and the advantages of the invention are as follows: according to the scheme, the pressure transmitter is used for detecting pressure data at two ends of the regulating valve and automatically controlling the electric actuator to regulate the valve according to the pressure data and the comparison table, so that the pressure at two ends of the valve is controlled, and compared with the prior art, the pressure regulating device avoids the condition that the traditional mechanical pressure regulating valve is unreliable in action when more condensed water is in a pipeline; the scheme also measures pressure data in the pipeline in real time and controls the valve of the monitoring node to regulate the pressure according to the comparison table; the realization is to accurate measurement and the remote monitoring of pipeline state to the pressure balance of the pipeline gas of real-time regulation monitoring node has avoided traditional mechanical air-vent valve to only carry out the inconvenience of record adjustment on the spot, has realized the intelligent pressure regulating and the non-maintaining of gas transmission.
Further, the cloud platform comprises an analysis module, a storage module and a transmission module;
the storage module is used for storing the comparison table and the node data transmitted by the monitoring node;
the transmission module is used for establishing wireless connection between the cloud platform and the monitoring node;
the analysis module is used for establishing a comparison table according to the node data through an artificial intelligence algorithm.
Has the advantages that: and establishing a comparison table through an artificial intelligence algorithm to realize accurate control on pressure regulation.
Further, the monitoring node further comprises a flow sensor, and the flow sensor is used for detecting the flow of the transmission medium in the pipeline; the analysis module is also used for establishing a pressure prediction model through an artificial intelligence algorithm according to the node data, comparing whether the difference value between the predicted pressure value and the measured value exceeds a specified value, and judging whether gas leakage occurs.
Has the advantages that: according to the scheme, when the fuel gas runs safely, a pressure prediction model is established according to the change of medium parameters in the pipeline, whether leakage occurs or not is judged through the difference value of the pressure prediction value and the measured value, and the control efficiency is improved.
Further, the cloud platform further comprises an emergency processing module, the emergency processing module is used for sending an emergency processing command when the monitoring node leaks gas, and after the emergency processing command is sent to the monitoring node through the transmission module, the monitoring node can control the electric actuator to reduce the pressure on two sides of the valve.
Has the advantages that: the monitoring node valve is adjusted through the emergency processing module, the pressure on two sides of the valve is reduced, and pollution and loss caused by gas leakage are reduced.
Further, the cloud platform further comprises a manual module for providing a manual operation mode for a user to control the electric actuator to adjust the valve.
Has the advantages that: and a manual module is arranged, so that a user can conveniently and manually control the valve of the monitoring node.
Further, the monitoring node also comprises a combustible gas sensor for detecting whether gas leakage exists at the monitoring node.
Has the advantages that: and a combustible gas sensor is arranged at the monitoring node, and whether gas leakage exists at the monitoring node is judged through gas detection.
Further, the monitoring node also comprises an alarm module, and after the combustible gas sensor detects that gas leakage exists at the node, the alarm module can give an alarm.
Has the advantages that: the alarm module sends an alarm to warn the crowd principle monitoring nodes around the monitoring nodes, and the life safety of the crowd near the monitoring nodes is guaranteed.
Furthermore, the monitoring node also comprises a solar module for supplying power to the monitoring node.
Has the advantages that: the solar module supplies power to the monitoring node, so that the environmental pollution caused by battery power supply is reduced.
Furthermore, the monitoring node also comprises a display module and a touch module;
the display module is used for displaying the detection data of the monitoring nodes;
the touch module is used for adjusting the opening of the valve at the monitoring node through touch.
Has the advantages that: and a display module and a touch module are arranged on the monitoring node, so that a user can conveniently check and adjust the data of the monitoring node.
An intelligent voltage regulation control method, characterized in that an intelligent voltage regulation control system as claimed in any one of the above claims 1-9 is used.
Has the advantages that: the pressure transmitter is used for detecting pressure data at two ends of the regulating valve and automatically controlling the electric actuator to regulate the valve according to the pressure data and the comparison table, so that the pressure at two ends of the valve is controlled, and compared with the prior art, the pressure regulating device of the scheme avoids the condition that the traditional mechanical pressure regulating valve is unreliable in action when more condensed water is in a pipeline; the scheme also measures pressure data in the pipeline in real time and controls the valve of the monitoring node to regulate the pressure according to the comparison table; the accurate measurement and the remote monitoring of the pipeline state are realized, and therefore the pressure balance of the pipeline gas of the monitoring node is adjusted in real time.
Drawings
Fig. 1 is a logic block diagram of an intelligent voltage regulation control system and method of the present invention.
Fig. 2 is a monitoring node structure diagram of an intelligent voltage regulation control system and method of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: the device comprises an electric actuator 1, a valve 2, a first pressure transmitter 3, a second pressure transmitter 4, a display module 5 and a flow sensor 6.
The embodiment is basically as shown in the attached figure 1:
the specific implementation process is as follows:
example one
In the first embodiment, as shown in fig. 1, an intelligent voltage regulation control system includes a cloud platform and a monitoring node, where the cloud platform and the monitoring node are wirelessly transmitted;
the monitoring node in the scheme is a gas door station, and as shown in fig. 2, the gas door station comprises an electric actuator, a valve, a first pressure transmitter, a second pressure transmitter, a display module, an RTU (remote terminal unit), a flow sensor, a solar module, a combustible gas sensor and an alarm; the first pressure transmitter and the second pressure transmitter are arranged on two sides of the valve and are respectively used for measuring medium pressure on the upstream and the downstream of the valve, and the electric actuator is used for controlling the valve position opening of the valve so as to play a role in regulating the pressure on two ends of the valve; the flow sensor is used for measuring medium flow in the gas gate station, the solar module comprises a solar power supply board and a storage battery, the solar power supply board is used for converting solar energy into electric energy, and the storage battery is used for storing electricity and supplying power to the gas gate station; the combustible gas sensor sets up in the outside of firing the pipeline of valve station place for whether the measuring fires the condition that the gas leaked in the department of valve station place, after detecting the gas leakage, the siren will send out the warning to gas valve station periphery and whistle, warns peripheral crowd and need not be close to, ensures to fire valve station peripheral crowd's life safety.
The cloud platform comprises an analysis module, a storage module, a manual module, an emergency processing module and a transmission module; the transmission module is used for receiving node data transmitted by the fuel valve station, wherein the node data comprises valve position opening, valve upstream pressure, valve downstream pressure and valve medium flow; the analysis module establishes a comparison table and a pressure prediction model through an artificial intelligence algorithm according to received data of the gas valve station, the pressure prediction model can generate a pressure prediction value, when the difference value between the pressure prediction value and a pressure measured value exceeds a specified value, it can be judged that gas leakage occurs, the manual module is used for a user to manually control the opening degree of the valve position, the emergency processing module is used for detecting that the gas leakage occurs and then emergently adjusting the opening degree of the valve position, reducing the gas pressure in a downstream pipeline of the gas valve station, and reducing the loss of gas resources.
Specifically, the analysis module establishes a comparison table and a pressure prediction model through an artificial intelligence algorithm according to upstream gas pressure, downstream gas pressure and gas flow rate transmitted by a gas valve station, and the comparison table records the change relation between the pressure at two ends of the valve and the adjustment stroke of the electric actuator. The analysis module comprises a BP neural network model, and the BP neural network module uses BP neural network technology to establish a comparison table and a pressure prediction model. Firstly, a three-layer BP neural network model is constructed, which comprises an input layer, a hidden layer and an output layer, in the embodiment, the upstream gas pressure, the downstream gas pressure and the gas flow rate are used as the input of the input layer, so that the input layer has 3 nodes, and the output is a comparison table of the pressure at two ends of a valve and the regulating stroke of an electric actuator and a pressure prediction model, so that the total number of the nodes is 2Point; for hidden layers, the present embodiment uses the following formula to determine the number of hidden layer nodes:
where l is the number of nodes of the hidden layer, n is the number of nodes of the input layer, m is the number of nodes of the output layer, and a is a number between 1 and 10, which is taken as 6 in this embodiment, so that the hidden layer has 9 nodes in total. BP neural networks typically employ Sigmoid differentiable functions and linear functions as the excitation function of the network. This example selects the S-type tangent function tansig as the excitation function for hidden layer neurons. The prediction model selects an S-shaped logarithmic function tansig as an excitation function of neurons of an output layer. After the BP network model is built, the gas door station data in the historical data are used as samples to train the model, and a more accurate prediction result can be obtained through a prediction model obtained after the gas door station data training is completed.
Example two
The second embodiment is different from the first embodiment only in that the gas valve station in the second embodiment is further provided with an acoustic sensor, and the analysis module can judge and monitor the valve blockage condition of the gas valve station through an artificial intelligence algorithm according to the audio data and the gas flow rate detected by the gas valve station.
EXAMPLE III
The difference between the third embodiment and the first embodiment is that the gas valve station in the third embodiment further includes a touch module, which is used for controlling gas pressure on both sides of the valve by adjusting the valve position opening in the gas valve station.
Example four
The difference between the fourth embodiment and the first embodiment is only that the scheme is an intelligent voltage regulation control method using any one of the intelligent voltage regulation control systems in the first to third embodiments.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides an intelligence pressure regulating control system which characterized in that: the system comprises a cloud platform and monitoring nodes, wherein the cloud platform is wirelessly connected with the monitoring nodes;
the monitoring node comprises an electric actuator, a valve, a first pressure transmitter, a second pressure transmitter and an RTU; the valve is used for adjusting the pressure at two ends of the valve; the electric actuator is used for controlling the valve to regulate pressure, and the first pressure transmitter and the second pressure transmitter are used for detecting pressure data at two ends of the valve; the RTU is used for establishing wireless connection between the monitoring node and the cloud platform;
the cloud platform stores a comparison table, and the comparison table records the change relation between the pressure at two ends of the valve and the adjusting stroke of the electric actuator; and after receiving the node data transmitted by the monitoring node, the cloud platform controls the electric actuator to adjust the valve according to the node data and the pressure and stroke comparison table, so that the pressure on two sides of the valve is controlled.
2. The intelligent voltage regulation control system of claim 1, wherein: the cloud platform comprises an analysis module, a storage module and a transmission module;
the storage module is used for storing the comparison table and the node data transmitted by the monitoring node;
the transmission module is used for establishing wireless connection between the cloud platform and the monitoring node;
the analysis module is used for establishing a comparison table according to the node data through an artificial intelligence algorithm.
3. The intelligent voltage regulation control system of claim 2, wherein: the monitoring node also comprises a flow sensor, and the flow sensor is used for detecting the flow of the transmission medium in the pipeline; the analysis module is also used for establishing a pressure prediction model through an artificial intelligence algorithm according to the node data, comparing whether the difference value between the predicted pressure value and the measured value exceeds a specified value, and judging whether gas leakage occurs.
4. The intelligent voltage regulation control system of claim 3, wherein: the cloud platform further comprises an emergency processing module, the emergency processing module is used for sending an emergency processing command when the monitoring node generates gas leakage, and after the emergency processing command is sent to the monitoring node through the transmission module, the monitoring node can control the electric actuator to reduce the pressure on two sides of the valve.
5. The intelligent voltage regulation control system of claim 4, wherein: the cloud platform also includes a manual module for providing a manual mode of operation for a user to control the electric actuator adjustment valve.
6. The intelligent voltage regulation control system of claim 5, wherein: the monitoring node further comprises a combustible gas sensor for detecting whether gas leakage exists at the monitoring node.
7. The intelligent voltage regulation control system of claim 6, wherein: the monitoring node further comprises an alarm module, and after the combustible gas sensor detects that gas leakage exists at the node, the alarm module can give an alarm.
8. The intelligent voltage regulation control system of claim 7, wherein: the monitoring node further comprises a solar module for supplying power to the monitoring node.
9. The intelligent voltage regulation control system of claim 8, wherein: the monitoring node further comprises a display module and a touch module;
the display module is used for displaying the detection data of the monitoring nodes;
the touch module is used for adjusting the opening of the valve at the monitoring node through touch.
10. An intelligent voltage regulation control method, characterized in that an intelligent voltage regulation control system as claimed in any one of the above claims 1-9 is used.
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| CN202110351560.1A CN113074323A (en) | 2021-03-31 | 2021-03-31 | Intelligent voltage regulation control system and method |
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| CN115355447A (en) * | 2022-10-20 | 2022-11-18 | 成都秦川物联网科技股份有限公司 | Intelligent gas-fired gate station pressure regulating optimization method and system based on Internet of things |
| CN117850491A (en) * | 2024-03-06 | 2024-04-09 | 韵京厦(四川)能源科技研究院(有限合伙) | Automatic pressure regulating control method and system for fuel gas transmission and distribution |
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| CN117850491A (en) * | 2024-03-06 | 2024-04-09 | 韵京厦(四川)能源科技研究院(有限合伙) | Automatic pressure regulating control method and system for fuel gas transmission and distribution |
| CN117850491B (en) * | 2024-03-06 | 2024-05-10 | 韵京厦(四川)能源科技研究院(有限合伙) | Automatic pressure regulating control method and system for fuel gas transmission and distribution |
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