CN116612627A - Natural gas transmission station monitoring point communication method and system - Google Patents
Natural gas transmission station monitoring point communication method and system Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The application provides a communication method of monitoring points of a natural gas transmission station, which comprises the following steps: the method comprises the steps that a master device obtains a first control signal from a secondary device, wherein a plurality of first transmission channels which are not overlapped are arranged between the master device and the secondary device, and the number of the first transmission channels corresponds to the number of a plurality of pieces of sub-devices; the master device acquires a plurality of second control signals according to the first control signals; the slave device acquires a second control signal from the master device, wherein a second transmission channel is arranged between the master device and each slave device, and the frequency band of the first transmission channel is larger than that of the second transmission channel; and the sub-equipment controls the control unit to execute the action according to the second control signal. The application also provides a communication system of the monitoring point of the natural gas transmission station.
Description
Technical Field
The application relates to the technical field of natural gas transmission stations, in particular to a communication method and a communication system for monitoring points of a natural gas transmission station.
Background
The natural gas transmission station is an important facility for natural gas to enter a city from a gas transmission pipeline, and real-time monitoring and control are required. The existing natural gas transmission station monitoring system generally adopts a wired communication mode, but because of the large distribution range of the gas transmission stations, the equipment quantity is large, and the cost of the wired communication mode is high. The wireless communication mode has some defects such as signal interference, short wave signal propagation distance is short, long wave signal is easy to generate sparks at a gas transmission station, and safety problems are caused.
Disclosure of Invention
The embodiment of the application provides a communication method and a communication system for monitoring points of a natural gas transmission station, which aim to solve or partially solve the problems in the background technology.
In order to solve the technical problems, the application is realized as follows:
in a first aspect, the present application provides a method for communicating a monitoring point of a natural gas transmission station, which is applicable to a monitoring point of a natural gas transmission station, where the monitoring point of the natural gas transmission station includes a plurality of sub-devices, a plurality of control units, a master device and a secondary device, the master device is communicatively connected with the plurality of sub-devices, and the plurality of control units are in one-to-one correspondence with the plurality of sub-devices, and the method includes: the master device acquires a first control signal from the secondary device, wherein a plurality of first transmission channels which are not overlapped are arranged between the master device and the secondary device, and the number of the first transmission channels corresponds to the number of the plurality of child devices; the master device acquires a plurality of second control signals according to the first control signals; the child equipment acquires the second control signals from the mother equipment, wherein a second transmission channel is arranged between the mother equipment and each child equipment, and the frequency band of the first transmission channel is larger than that of the second transmission channel; and the sub-equipment controls the control unit to execute actions according to the second control signal.
With reference to the first aspect, in some embodiments, the master device obtains a first control signal from the secondary device, including: the parent device acquires an initial coding field from the secondary device; the master device generates a check code field according to the initial code field and a preset algorithm; the secondary equipment acquires the check coding field from the parent equipment and performs inverse compiling, wherein an algorithm used in the compiling process is the same as the preset algorithm; and the secondary equipment matches the result of the inverse coding with the initial coding field, and if the result of the inverse coding is matched with the initial coding field, the primary equipment acquires a first control signal from the secondary equipment.
With reference to the first aspect, in some embodiments, the master device obtains a plurality of second control signals according to the first control signals, including: respectively acquiring data in each first transmission channel; and generating the second control signals according to the data, wherein the data in each first transmission channel respectively correspond to one second control signal.
With reference to the first aspect, in some embodiments, the controlling, by the sub-device, the control unit to perform an action according to the second control signal includes: the child device obtains a verification field from the parent device; the master device determines the second control signal corresponding to the slave device according to the verification field; the sub-equipment acquires the second control signal and controls the control unit to execute actions according to the second control signal.
With reference to the first aspect, in some embodiments, the determining, by the parent device, the second control signal corresponding to the child device according to the verification field includes: the master device obtains the verification field, wherein the verification field comprises unique feature codes, and the feature codes are in one-to-one correspondence with the slave devices; and the master device determines the child device corresponding to the verification field according to the feature code, and establishes a corresponding second transmission channel.
With reference to the first aspect, in some embodiments, the method further includes, before the master device obtains a first control signal from the secondary device, where there are a plurality of first transmission channels that do not overlap between the master device and the secondary device, a number of the first transmission channels corresponds to a number of the sub-devices, the method further includes: and carrying out noise reduction processing on the first control signal.
With reference to the first aspect, in some embodiments, the second control signal is a square wave pulse signal.
In a second aspect, the present application provides a natural gas transmission station monitoring point communication system, the system comprising: the first control module is used for controlling the mother equipment to acquire a first control signal from the secondary equipment, wherein a plurality of non-overlapping first transmission channels are arranged between the mother equipment and the secondary equipment, and the number of the first transmission channels corresponds to the number of the plurality of sub-equipment; the second control module is used for controlling the master equipment to acquire a plurality of second control signals according to the first control signals; the third control module is used for controlling the child equipment to acquire the second control signals from the mother equipment, wherein a second transmission channel is arranged between the mother equipment and each child equipment, and the frequency band of the first transmission channel is larger than that of the second transmission channel; and the fourth control module is used for controlling the sub-equipment to control the control unit to execute actions according to the second control signal.
With reference to the second aspect, in some embodiments, the first control module includes: a fifth control module, configured to cause the parent device to obtain an initial encoding field from the secondary device; the sixth control module is used for enabling the master device to generate a check code field according to the initial code field and a preset algorithm; a seventh control module, configured to enable the secondary device to obtain the check code field from the parent device and perform inverse compiling, where an algorithm used in a compiling process is the same as the preset algorithm; and the eighth control module is used for enabling the secondary device to match the reverse compiling result with the initial coding field, and if so, the primary device acquires a first control signal from the secondary device.
In a third aspect, the present application provides an electronic device, including a processor and a memory, where the memory is configured to store a computer program; the processor is configured to load and execute the computer program to implement the method according to any one of the first aspects.
In a fourth aspect, the present application proposes a computer readable storage medium storing a computer program, wherein the computer program, when loaded and executed by a processor, implements the method according to any one of the first aspects.
According to the monitoring point communication method of the natural gas transmission station, first, a first control signal is acquired from a second-level device by a mother device, a plurality of non-overlapping first transmission channels are arranged between the mother device and the second-level device, the number of the first transmission channels corresponds to the number of a plurality of sub-devices, then the mother device acquires a plurality of second control signals according to the first control signals, then the sub-devices acquire the second control signals from the mother device, a second transmission channel is arranged between the mother device and each sub-device, the frequency band of the first transmission channel is larger than the frequency band of the second transmission channel, and then the sub-devices control the control unit to execute actions according to the second control signals. According to the application, the master device performs remote communication with the secondary device by utilizing the long-wave signal, and simultaneously processes the first control signal of the long wave into the second control signal of the short wave and receives the second control signal by the sub device, and the sub device is used for closely and independently controlling the action of each control unit, so that the safety of the natural gas transmission station can be ensured while wireless long-distance transmission is realized.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a communication method of monitoring points of a natural gas transmission station in an embodiment of the application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiment provides a natural gas transmission station monitoring point communication method, which is suitable for a natural gas transmission station monitoring point, wherein the natural gas transmission station monitoring point comprises a plurality of pieces of equipment, a plurality of control units, a master device and a secondary device, the master device is in communication connection with the plurality of pieces of equipment, and the plurality of control units are in one-to-one correspondence with the plurality of pieces of equipment.
The control unit may be an electronic device such as a valve, a sensor, an alarm and the like in the natural gas transmission station, and the specific control unit is different according to different functions and is not limited herein.
The embodiment provides a communication method for monitoring points of a natural gas transmission station, which comprises the following steps:
s101: the master device acquires a first control signal from the secondary device, wherein a plurality of first transmission channels which are not overlapped are arranged between the master device and the secondary device, and the number of the first transmission channels corresponds to the number of the plurality of sub-devices.
In particular, a plurality of communication channels may be established between the parent device and the secondary device, each channel for transmitting one type of signal or data. The channels may be distinguished by different frequencies, time slots, patterns, etc. to avoid mutual interference.
The number of the first transmission channels corresponds to the number of the plurality of the sub-devices, so that each sub-device can communicate through an independent channel, and signal collision and interference are avoided. For example, if there are 10 sub-devices, 10 non-overlapping first transmission channels each for transmitting the first control signal of one sub-device need to be established.
In practical applications, multiple technologies may be used to implement multi-channel communication, such as Frequency Division Multiplexing (FDM), time Division Multiplexing (TDM), code Division Multiplexing (CDM), and so on. In addition, the channel can be automatically adjusted according to the communication condition by Dynamic Frequency Selection (DFS) and other technologies so as to improve the communication efficiency and reliability.
In some embodiments, step S101 includes the steps of:
s101-1: the parent device obtains an initial encoding field from the secondary device.
It will be appreciated that the parent device obtains the initial encoded fields from the secondary device, typically for encoding and decoding data during communication. The initial coding field is a set of parameters or information for describing coding rules, including coding mode, code rate, check bits, etc. Before communication starts, the master device needs to acquire an initial encoding field from the secondary device and set its encoding parameters according to the information of the field, so as to ensure that the received data can be correctly decoded in the communication process.
S101-2: and the master device generates a check code field according to the initial code field and a preset algorithm.
In particular, the check code field may be generated using a variety of check algorithms, such as Cyclic Redundancy Check (CRC), checksum, and the like. Based on the initial encoding field and the predetermined algorithm, the parent device may generate a set of check encoding fields and send them to the secondary device along with the data. When data is received, the secondary device recalculates the check code field according to the same initial code field and algorithm, and then compares the check code field with the received check code field to judge whether the data is transmitted correctly and completely.
By checking the encoding field for data verification, the problems of error code and loss in the data transmission process can be effectively avoided, and the reliability and the correctness of the data transmission are improved. Meanwhile, the error rate of data transmission can be reduced, and the communication efficiency and stability are improved.
S101-3: and the secondary equipment acquires the check code field from the parent equipment and performs inverse compiling, wherein the algorithm used in the compiling process is the same as the preset algorithm.
Specifically, after receiving the data, the secondary device obtains the corresponding check code field from the parent device, and uses the same preset algorithm to perform inverse compiling. The reverse compiling process is to perform reverse calculation on the check coding field to obtain the check value of the original data. If the calculated check value is the same as the received check code field, the data transmission is correct and complete, otherwise, the data transmission is wrong or lost.
When performing inverse compilation, the secondary device needs to use the same algorithms and parameters as the parent device to ensure consistency and accuracy of the calculation results. Only under the condition that the algorithm and the parameters are consistent, the check value obtained by reverse compiling can be ensured to be consistent with the check code field generated by the master device, so that the correctness and the integrity of data transmission are judged.
By using the same algorithm and parameters to carry out inverse compiling, the problems of calculation errors and verification failures caused by inconsistent algorithms can be effectively avoided, and the reliability and the correctness of data transmission are improved. Meanwhile, the error rate of data transmission can be reduced, and the communication efficiency and stability are improved.
S101-4: and the secondary equipment matches the result of the inverse coding with the initial coding field, and if the result of the inverse coding is matched with the initial coding field, the primary equipment acquires a first control signal from the secondary equipment.
S102: the parent device performs noise reduction processing on the first control signal.
In the data transmission process, the master device needs to perform noise reduction processing on the first control signal so as to improve the reliability and stability of data transmission.
Specifically, the noise reduction processing may employ various methods such as filtering, smoothing, removing abnormal values, and the like. Noise and interference in the signals can be removed by carrying out noise reduction processing on the first control signals, so that the signals are clearer and more stable. The noise reduction processing can be performed inside the parent device or by an external device. In performing the noise reduction process, care is required not to excessively process the signal so as not to affect the effective information of the signal.
S103: the master device obtains a plurality of second control signals according to the first control signals.
It will be appreciated that, in particular, the parent device may determine which secondary devices to send to based on the content of the first control signal and generate the corresponding second control signal. The second control signal contains control instructions and parameters for the particular secondary device for controlling the behavior of the device.
The master device may implement simultaneous control of multiple secondary devices in a variety of ways, such as sending control signals in batches, sending control signals one by one, and so on. When the control signal is transmitted, the accuracy and the integrity of the control signal need to be ensured so as to avoid the problems of control misoperation or data transmission errors.
By acquiring a plurality of second control signals according to the first control signals, simultaneous control of a plurality of secondary devices can be realized, and the efficiency and stability of the system are improved. Meanwhile, the operation time and complexity of the user can be reduced, and the use experience of the user is improved.
S103-1: data in each first transmission channel is acquired respectively.
S103-2: and generating the second control signals according to the data, wherein the data in each first transmission channel respectively correspond to one second control signal.
S104: the slave device acquires the second control signals from the master device, wherein a second transmission channel is arranged between the master device and each slave device, and the frequency band of the first transmission channel is larger than that of the second transmission channel.
It can be understood that the master device may send a corresponding second control signal to each of the sub-devices via the second transmission channel, and the sub-devices execute corresponding control instructions and parameters according to the received signals. The second transmission channel may be a wireless channel or a wired channel, and the specific transmission mode depends on the actual situation of the device. It should be noted that the frequency bands of the first transmission channel and the second transmission channel are different to avoid mutual interference. In general, the frequency band of the first transmission channel is higher than that of the second transmission channel, so as to ensure stability and reliability of data transmission. By acquiring the second control signal from the master device, the slave device can realize remote control and centralized management, and the intelligent degree and the application range of the device are improved. Meanwhile, the transmission channels with different frequency bands can also avoid the problems of signal interference and data transmission errors.
S105: and the sub-equipment controls the control unit to execute actions according to the second control signal.
Specifically, the method comprises the following steps:
s105-1: the child device obtains a validation field from the parent device.
S105-2: and the mother equipment determines the second control signal corresponding to the child equipment according to the verification field.
S105-2-1: the master device obtains the verification field, wherein the verification field comprises unique feature codes, and the feature codes are in one-to-one correspondence with the slave devices;
s105-2-2: and the master device determines the child device corresponding to the verification field according to the feature code, and establishes a corresponding second transmission channel.
S105-3: the sub-equipment acquires the second control signal and controls the control unit to execute actions according to the second control signal.
According to the monitoring point communication method of the natural gas transmission station, first, a first control signal is acquired from a second-level device by a mother device, a plurality of non-overlapping first transmission channels are arranged between the mother device and the second-level device, the number of the first transmission channels corresponds to the number of a plurality of sub-devices, then the mother device acquires a plurality of second control signals according to the first control signals, then the sub-devices acquire the second control signals from the mother device, a second transmission channel is arranged between the mother device and each sub-device, the frequency band of the first transmission channel is larger than the frequency band of the second transmission channel, and then the sub-devices control the control unit to execute actions according to the second control signals. According to the application, the master device performs remote communication with the secondary device by utilizing the long-wave signal, and simultaneously processes the first control signal of the long wave into the second control signal of the short wave and receives the second control signal by the sub device, and the sub device is used for closely and independently controlling the action of each control unit, so that the safety of the natural gas transmission station can be ensured while wireless long-distance transmission is realized.
Based on the same inventive concept, the application also provides a natural gas transmission station monitoring point communication system, which comprises:
the first control module is used for controlling the mother equipment to acquire a first control signal from the secondary equipment, wherein a plurality of first transmission channels which are not overlapped are arranged between the mother equipment and the secondary equipment, and the number of the first transmission channels corresponds to the number of the plurality of sub-equipment.
The second control module is used for controlling the master device to acquire a plurality of second control signals according to the first control signals.
The third control module is used for controlling the child equipment to acquire the second control signals from the mother equipment, wherein a second transmission channel is arranged between the mother equipment and each child equipment, and the frequency band of the first transmission channel is larger than that of the second transmission channel;
and the fourth control module is used for controlling the sub-equipment to control the control unit to execute actions according to the second control signal.
In some embodiments, the first control module comprises:
and the fifth control module is used for enabling the parent equipment to acquire an initial coding field from the secondary equipment.
And the sixth control module is used for enabling the master device to generate a check code field according to the initial code field and a preset algorithm.
And the seventh control module is used for enabling the secondary device to acquire the check code field from the parent device and perform inverse compiling, wherein an algorithm used in the compiling process is the same as the preset algorithm.
And the eighth control module is used for enabling the secondary device to match the reverse compiling result with the initial coding field, and if so, the primary device acquires a first control signal from the secondary device.
According to the monitoring point communication system of the natural gas transmission station, first, a first control signal is acquired from a second-level device by a mother device, a plurality of non-overlapping first transmission channels are arranged between the mother device and the second-level device, the number of the first transmission channels corresponds to the number of a plurality of sub-devices, then the mother device acquires a plurality of second control signals according to the first control signals, then the sub-devices acquire the second control signals from the mother device, a second transmission channel is arranged between the mother device and each sub-device, the frequency band of the first transmission channel is larger than the frequency band of the second transmission channel, and then the sub-devices control the control unit to execute actions according to the second control signals. According to the application, the master device performs remote communication with the secondary device by utilizing the long-wave signal, and simultaneously processes the first control signal of the long wave into the second control signal of the short wave and receives the second control signal by the sub device, and the sub device is used for closely and independently controlling the action of each control unit, so that the safety of the natural gas transmission station can be ensured while wireless long-distance transmission is realized.
Based on the same inventive concept, the application also provides an electronic device, which comprises a processor and a memory, wherein,
the memory is used for storing a computer program;
the processor is used for loading and executing the computer program to realize the communication method of the monitoring point of the natural gas transmission station.
In particular, the processor may be coupled to the memory and to the transceiver, such as via a communication bus.
The following describes each component of the electronic device in detail:
the processor is a control center of the electronic device, and may be one processor or a collective name of a plurality of processing elements. For example, the processor is one or more central processing units (central processing unit, CPU), but also may be an integrated circuit (application specific integrated circuit, ASIC), or one or more integrated circuits configured to implement embodiments of the present application, such as: one or more microprocessors (digital signal processor, DSPs), or one or more field programmable gate arrays (field programmable gate array, FPGAs).
In the alternative, the processor may perform various functions of the electronic device by executing or executing software programs stored in memory, and invoking data stored in memory.
The memory is configured to store a software program for executing the scheme of the present application, and the processor is used to control the execution of the software program, and the specific implementation manner may refer to the above method embodiment, which is not described herein again.
Alternatively, the memory may be read-only memory (ROM) or other type of static storage device that can store static information and instructions, random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, but may also be, without limitation, electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), compact disc read-only memory (compact disc read-only memory) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be integral with the processor or may exist separately and be coupled to the processor through interface circuitry of the electronic device, as the embodiments of the application are not limited in detail.
A transceiver for communicating with a network device or with a terminal device.
Alternatively, the transceiver may include a receiver and a transmitter. The receiver is used for realizing the receiving function, and the transmitter is used for realizing the transmitting function.
Alternatively, the transceiver may be integrated with the processor, or may exist separately, and be coupled to the processor through an interface circuit of the router, which is not specifically limited by the embodiment of the present application.
In addition, the technical effects of the electronic device may refer to the technical effects of the data transmission method described in the foregoing method embodiment, which is not described herein again.
It should be appreciated that the processor in embodiments of the application may be a central processing unit (central processing unit, CPU), which may also be other general purpose processors, digital signal processors (digital signal processor, DSP), application specific integrated circuits (application specific integrated circuit, ASIC), off-the-shelf programmable gate arrays (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It should also be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. The volatile memory may be random access memory (random access memory, RAM) which acts as an external cache. By way of example but not limitation, many forms of random access memory (random access memory, RAM) are available, such as Static RAM (SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (ESDRAM), synchronous Link DRAM (SLDRAM), and direct memory bus RAM (DR RAM).
Based on the unified application conception, the application also provides a computer readable storage medium which stores a computer program, and is characterized in that the computer program realizes the communication method of the monitoring point of the natural gas transmission station when being loaded and executed by a processor.
The method and system for communication of monitoring points of a natural gas transmission station provided by the application are described in detail, and specific examples are applied to illustrate the principle and implementation of the application, and the description of the above examples is only used for helping to understand the method and core ideas of the application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. The utility model provides a natural gas transmission station monitoring point communication method which is characterized in that is applicable to a natural gas transmission station monitoring point, natural gas transmission station monitoring point includes a plurality of sub-equipment, a plurality of control unit, parent equipment and second grade equipment, parent equipment with a plurality of sub-equipment communication connection, a plurality of control unit with a plurality of sub-equipment one-to-one, the method includes:
the master device acquires a first control signal from the secondary device, wherein a plurality of first transmission channels which are not overlapped are arranged between the master device and the secondary device, and the number of the first transmission channels corresponds to the number of the plurality of child devices;
the master device acquires a plurality of second control signals according to the first control signals;
the child equipment acquires the second control signals from the mother equipment, wherein a second transmission channel is arranged between the mother equipment and each child equipment, and the frequency band of the first transmission channel is larger than that of the second transmission channel;
and the sub-equipment controls the control unit to execute actions according to the second control signal.
2. The method of claim 1, wherein the master device obtains a first control signal from the secondary device, comprising:
the parent device acquires an initial coding field from the secondary device;
the master device generates a check code field according to the initial code field and a preset algorithm;
the secondary equipment acquires the check coding field from the parent equipment and performs inverse compiling, wherein an algorithm used in the compiling process is the same as the preset algorithm;
and the secondary equipment matches the result of the inverse coding with the initial coding field, and if the result of the inverse coding is matched with the initial coding field, the primary equipment acquires a first control signal from the secondary equipment.
3. The method of claim 2, wherein the master device obtains a plurality of second control signals according to the first control signals, and the method comprises:
respectively acquiring data in each first transmission channel;
and generating the second control signals according to the data, wherein the data in each first transmission channel respectively correspond to one second control signal.
4. A method of monitoring point communication for a natural gas transmission station according to claim 3, wherein the sub-device controls the control unit to perform actions according to the second control signal, comprising:
the child device obtains a verification field from the parent device;
the master device determines the second control signal corresponding to the slave device according to the verification field;
the sub-equipment acquires the second control signal and controls the control unit to execute actions according to the second control signal.
5. The method of claim 4, wherein the master device determining the second control signal corresponding to the slave device according to the verification field, comprises:
the master device obtains the verification field, wherein the verification field comprises unique feature codes, and the feature codes are in one-to-one correspondence with the slave devices;
and the master device determines the child device corresponding to the verification field according to the feature code, and establishes a corresponding second transmission channel.
6. The method for communication between monitoring points of a natural gas transmission station according to any one of claims 1 to 5, wherein the master device obtains a first control signal from the secondary device, and a plurality of first transmission channels which are not overlapped are provided between the master device and the secondary device, and after the number of the first transmission channels corresponds to the number of the plurality of sub-devices, the method further comprises:
and carrying out noise reduction processing on the first control signal.
7. The method of claim 6, wherein the second control signal is a square wave pulse signal.
8. A natural gas transmission station monitoring point communication system, the system comprising:
the first control module is used for controlling the master equipment to acquire a first control signal from the secondary equipment, wherein a plurality of first transmission channels which are not overlapped are arranged between the master equipment and the secondary equipment, and the number of the first transmission channels corresponds to the number of the plurality of sub-equipment;
the second control module is used for controlling the master equipment to acquire a plurality of second control signals according to the first control signals;
the third control module is used for controlling the child equipment to acquire the second control signals from the mother equipment, wherein a second transmission channel is arranged between the mother equipment and each child equipment, and the frequency band of the first transmission channel is larger than that of the second transmission channel;
and the fourth control module is used for controlling the sub-equipment to control the control unit to execute actions according to the second control signal.
9. The natural gas transmission site monitoring point communication system of claim 8, wherein the first control module comprises:
a fifth control module, configured to cause the parent device to obtain an initial encoding field from the secondary device;
the sixth control module is used for enabling the master device to generate a check code field according to the initial code field and a preset algorithm;
a seventh control module, configured to enable the secondary device to obtain the check code field from the parent device and perform inverse compiling, where an algorithm used in a compiling process is the same as the preset algorithm;
and the eighth control module is used for enabling the secondary device to match the reverse compiling result with the initial coding field, and if so, the primary device acquires a first control signal from the secondary device.
10. An electronic device comprising a processor and a memory, wherein the memory is for storing a computer program; the processor is configured to load and execute the computer program to implement the method according to any one of claims 1 to 7.
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