CN114422551A - Centralized operation type energy metering device with built-in gateway and Internet of things system - Google Patents
Centralized operation type energy metering device with built-in gateway and Internet of things system Download PDFInfo
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Abstract
The invention discloses a centralized operation type energy metering device with a built-in gateway, which comprises an energy calculation module, a central processing unit and a central processing unit, wherein the energy calculation module is used for receiving physical data of natural gas and a calculation result of unit calorific value of the natural gas and calculating the energy of the natural gas; the energy calculation module is connected with a built-in gateway, the built-in gateway is used for communication preprocessing work, and the energy calculation module sends a natural gas energy calculation result to the built-in gateway in a communication data mode; the built-in gateway comprises a communication data processing module, the communication data processing module is connected with the energy calculation module, and the communication data processing module can number communication data and add a timestamp to the numbered communication data. The invention effectively distinguishes the communication data by numbering the communication data and adding the timestamp, thereby avoiding the excessive energy consumption of workers in distinguishing the communication data.
Description
Technical Field
The invention relates to the field of natural gas energy metering, in particular to a centralized operation type energy metering device with a built-in gateway and an internet of things system.
Background
Natural gas is taken as a high-quality, high-efficiency and clean energy source and an important chemical raw material, is generally regarded and preferentially utilized in all countries of the world, and accounts for 35 percent in an energy structure. With the continuous rise of natural gas as an environment-friendly energy source, the accurate, fair and fair measurement of natural gas is an important technical task for scientific management of natural gas, and is related to multi-interest. Meanwhile, natural gas is used as fuel, the actual value of the natural gas is the heat value rather than the volume of the natural gas, and the foreign natural gas metering mode generally adopts an energy metering method, so that unnecessary disputes are inevitable in the natural gas trade handover process with other countries, and therefore, the research on natural gas energy metering equipment is of great significance.
When carrying out data analysis to natural gas energy measurement, in the energy computational result that gathers, repeated data often can appear and disturb, if add the statistics with repeated data, can cause very big influence to final analysis result to influence the analysis and judgment to natural gas energy measurement data, so how to avoid repeated data to cause the influence to natural gas energy measurement data analysis and just become the problem that natural gas energy measurement field is waited for to solve promptly.
Disclosure of Invention
The invention aims to overcome the defect that the interference of repeated data on the analysis of an energy calculation result cannot be avoided due to the fact that communication data are not processed in a distinguishing mode after a natural gas energy calculation result is obtained in the prior art, and provides a centralized operation type energy metering device with a built-in gateway and an internet of things system.
The purpose of the invention is mainly realized by the following technical scheme:
the centralized operation type energy metering device with the built-in gateway comprises a natural gas data acquisition system, a calorific value analysis processing system and an energy calculation module, wherein the natural gas data acquisition system and the calorific value analysis processing system are both connected with the energy calculation module,
the natural gas data acquisition system is used for acquiring physical data of natural gas and sending the physical data to the energy calculation module;
the calorific value analysis processing system is used for calculating the calorific value of the natural gas unit and sending the calculation result to the energy calculation module;
the energy calculation module is used for receiving physical data of the natural gas and a natural gas unit heating value calculation result and calculating natural gas energy;
the energy calculation module is connected with a built-in gateway, the built-in gateway is used for communication preprocessing work, and the energy calculation module sends a natural gas energy calculation result to the built-in gateway in a communication data mode; the built-in gateway comprises a communication data processing module, the communication data processing module is connected with the energy calculation module, and the communication data processing module can number communication data and add a timestamp to the numbered communication data.
At present, when natural gas energy metering is performed, the natural gas energy computing result is mainly obtained according to the natural gas energy computing result, and the energy computing module can effectively obtain the natural gas energy computing result after obtaining physical data of natural gas and a computing result of natural gas unit calorific value, generally speaking, the natural gas energy computing result is that natural gas energy metering in a set time period is realized by matching standard flow of the set time period and natural gas unit calorific value of a corresponding time period, so that natural gas energy metering in different time periods is different, when communication data including natural gas energy metering are sent outwards, each communication data should represent different natural gas energy metering results, but since no distinction is set between common communication data, after the communication data are received, a worker needs to expend a large amount of extra energy to screen the validity of the communication data, this will certainly greatly affect the progress of the follow-up work, and even cause failure of the follow-up work, particularly in the point of excluding redundant communication data.
According to the invention, the energy calculation module is connected with the built-in gateway, the built-in gateway can carry out communication preprocessing work so as to facilitate normal sending of communication data, meanwhile, the communication data processing module can effectively discriminate the communication data sent by the energy calculation module, different communication data can be distinguished in the communication data processing module by numbering the communication data and adding a timestamp into the communication data after being compiled, when the communication data processing module sends the communication data to a subsequent module, a worker can effectively distinguish each communication data and conveniently arrange and store the communication data; the communication data processing module is used for processing the serial number of the communication data and adding the timestamp into the communication data processing module, so that the communication data has the capability of being directly identified and distinguished, a worker can quickly and effectively process the communication data when receiving a large amount of communication data, at least one piece of communication data with the same serial number and timestamp can be used as problem data to be identified for processing, the workload of the worker can be prevented from being increased by redundant communication data, the problem data can be effectively identified, the worker can treat the problem data more cautiously when facing the problem data, and the influence of the problem data on subsequent work is avoided.
Further, the built-in gateway further comprises a data storage module, and the communication data are numbered and added with a timestamp and then sent to the data storage module for backup;
the energy calculation module sends natural gas energy calculation results to the built-in gateway, the communication data processing module sends a query instruction to the data storage module after receiving communication data sent by the energy calculation module, the identity marks of the natural gas energy calculation results in the communication data are compared with the identity marks of the communication data in the data storage module, if the identity marks are the same and the timestamps of the communication data are the same, one communication data is discarded, and if the identity marks are the same and the timestamps of the communication data are different, both the two communication data are marked in error.
In the prior art, communication data are generally processed and then directly sent to a user side, and are not stored locally, so that the problem-occurring overhaul is not facilitated, and a backup cannot be effectively found after the user side loses the data, so that the risk of a user is greatly increased. In the invention, the identity mark is set for the natural gas energy calculation result in the energy calculation module, so the energy calculation result is provided with the identity mark before being converted into communication data, which avoids the repeated numbering and different time stamps on the same communication data when the numbering process and the time stamp adding are carried out in the communication data processing module, so the same communication data can be treated as different communication data by working personnel and is not beneficial to the development of subsequent work, therefore, the invention is particularly set, one communication data is abandoned if the identity mark is the same and the time stamps of the communication data are the same, the two communication data are wrongly marked if the identity mark is the same and the time stamps of the communication data are different, and only one communication data is left if the identity mark, the number and the time stamp are the same after the treatment, the redundant communication data are effectively eliminated, errors can also occur in the data processing process, the first condition is that different numbering processes and time stamps are carried out on the communication data with the same identity tag, the second condition is that the same numbering processes and time stamps are carried out on the communication data with different identity tags, and the communication data can be processed by intervention of working personnel under the two conditions to avoid enlarging the influence of the errors, so the invention carries out error marking on the information, the working personnel can timely and effectively process the data after receiving the error tag to avoid the influence on subsequent work, it needs to be specially explained that the identity tag and the number of the application are different, the purpose of the identity tag is to distinguish the energy calculation result of each built-in gateway, and the energy calculation result after the identity tag is added with different numbers and time stamps, therefore, the method avoids the problem that different numbers and time stamps are printed on the same energy calculation result due to transmission errors or channel blockage and the result is treated as different energy calculation results.
Further, setting alarm recording times, if the timestamps of two pieces of communication data carrying error marks are adjacent, performing alarm recording, and after the same alarm record repeatedly exceeds the set alarm recording times, sending an error report;
if the timestamps of the two sets of communication data carrying the error marks are not adjacent, extracting the communication data carrying the error marks and the communication data with adjacent numbers from the data storage module to a communication data processing module, wherein the two sets of communication data carrying the error marks and the communication data with adjacent numbers are respectively a group, taking variance for the two groups of communication data respectively, and deleting the error marks in the group of communication data with small variance.
Because the error occurrence condition is universal on huge data volume during data communication, in order to avoid normalization of emergency state of workers, error tolerance exists for warning of error marks, misjudgment during persistent errors is avoided by presetting alarm recording times, if two communication data adjacent to a timestamp carry error marks, the situation that the device possibly generates persistent errors during communication data processing is indicated, alarm recording is carried out at the moment, but because the persistent errors cannot be effectively proved by single alarm recording, whether the persistent errors really occur or not is judged by the error tolerance by setting the alarm recording times, and if the same alarm recording repeatedly exceeds the set alarm recording times, an error report is sent, the possibility of misjudgment of the error report at the moment is greatly reduced, and the waste of human resources can be avoided when the response of the staff is processed.
When receiving data, if the timestamps of two sets of communication data carrying error marks are not adjacent, since the identity marks in the two sets of error marks are the same, it is proved that one set of communication data carrying error marks and the adjacent numbered communication data are wrong, and the other set of communication data is normal communication data influenced by the wrong data, so the invention extracts the communication data carrying error marks and the adjacent numbered communication data from the data storage module to the communication data processing module, the two sets of communication data carrying error marks and the adjacent numbered communication data are respectively a group, the variance is taken for the two sets of communication data respectively, the error marks in the group of communication data with small variance are deleted, a group with small fluctuation with the adjacent communication data can be obtained by determining the variance, the transition between the group of communication data and the adjacent communication data is smoother, and the change of the natural gas energy metering result is definitely a regular change, therefore, the fluctuation between the communication data and the adjacent data should be small, and the error mark is removed from the communication data in the group with small variance, so that the misjudgment of the communication data errors can be effectively reduced.
Further, the energy calculation module comprises a marking unit, the marking unit is used for converting the natural gas energy calculation result into communication data and adding an identity mark to the converted communication data, wherein,
judging whether mark data corresponding to the communication data exist in a preset mark set or not, wherein the mark data are generated after identity marking operation is carried out on the communication data;
and if the tag data does not exist, performing identity tag operation on the communication data in the tag set to obtain tag data corresponding to the communication data.
The mark set in the invention is an inventory set of the identity marks, and the identity marks extracted from the mark set can ensure that each identity mark is different, so that each identity mark only corresponds to one energy calculation result, and repeated identity marks can be effectively avoided by judging the identity marks.
Furthermore, the data storage module comprises a query unit, and after receiving a query instruction of the communication data processing module, the data storage module responds to the query instruction and traverses the identity tag of the communication data in the data storage module from the communication data adjacent to the timestamp.
According to the method and the device, the identity tags of the communication data in the data storage module are traversed from the communication data adjacent to the timestamp, so that omission of identity tag comparison can be effectively avoided, and the sent communication data can be more accurate and effective.
Furthermore, the communication data processing module is connected with a communication module, and the communication module is used for sending communication data to the external gateway and receiving feedback data sent by the external gateway.
Further, an information security management module is arranged between the communication data processing module and the communication module, and the information security management module is used for identity authentication of information interaction objects of the communication data, encryption and decryption of the interaction data, and integrity and validity verification of the interaction data.
Furthermore, the natural gas data acquisition system includes flow sensor, pressure sensor and temperature sensor, flow sensor, pressure sensor and temperature sensor all with the energy calculation module is connected, the energy calculation module can pass through the natural gas physical data that flow sensor, pressure sensor and temperature sensor gathered calculates the operating mode flow of natural gas, and realizes the conversion of operating mode flow to standard condition flow.
Further, the calorific value analysis processing system comprises a calorific value analysis processing module, the input end of the calorific value analysis processing module is connected with a sample gas processing system and a standard gas processing system, wherein,
the input end of the sample gas processing system is connected with a sample gas controller, the sample gas processing system is used for removing impurities from the collected natural gas, the calorific value analysis processing module is used for calculating the unit calorific value of the natural gas after the impurities are removed, and the calculation result is transmitted to the energy calculation module;
the input end of the standard gas processing system is connected with a standard gas collecting port, the standard gas processing system is used for conducting impurity removal processing on collected standard gas, the calorific value analysis processing module conducts calorific value calculation on the impurity-removed standard gas, the calculation result is compared with the standard value of the calorific value of the standard gas, and calibration of the calorific value analysis processing module is achieved.
The centralized operation type energy metering Internet of things system with the built-in gateway comprises a user platform, a service platform, a management platform, a sensing network platform and a perception control platform which are sequentially interacted;
the perception control platform is the natural gas energy metering device, and transmits the acquired perception information to the management platform through the sensing network platform;
the management platform comprises an energy metering management system, the energy metering management system carries out comprehensive analysis processing on the received perception information, transmits user demand information to the user platform through the service platform, and issues a control instruction to the perception control platform through the sensing network platform.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
(1) the communication data processing module is used for numbering the communication data and adding the time stamp into the communication data, so that the communication data has the capability of being directly identified and distinguished, and a worker can quickly and effectively process the communication data when receiving a large amount of communication data.
(2) According to the method, through identification of the identity tag, matching errors between the serial numbers and the time stamps and the communication data can be effectively avoided, so that each communication data can independently correspond to one serial number and one time stamp, and the purposes that the communication data can be sent in order and are easy to arrange are achieved.
(3) According to the method and the device, the identity tags of the communication data in the data storage module are traversed from the communication data adjacent to the timestamp, so that omission of identity tag comparison can be effectively avoided, and the sent communication data can be more accurate and effective.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of the present invention;
fig. 2 is a flow chart of the internet of things system of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example (b):
as shown in fig. 1, the present embodiment relates to a centralized computing type energy metering device with a built-in gateway, which includes a natural gas data acquisition system, a calorific value analysis processing system, and an energy calculation module, where the natural gas data acquisition system and the calorific value analysis processing system are both connected to the energy calculation module, where,
the natural gas data acquisition system is used for acquiring physical data of natural gas and sending the physical data to the energy calculation module;
the calorific value analysis processing system is used for calculating the calorific value of the natural gas unit and sending the calculation result to the energy calculation module;
the energy calculation module is used for receiving physical data of the natural gas and a natural gas unit heating value calculation result and calculating natural gas energy;
the energy calculation module is connected with a built-in gateway, the built-in gateway is used for communication preprocessing work, and the energy calculation module sends a natural gas energy calculation result to the built-in gateway in a communication data mode; the built-in gateway comprises a communication data processing module, the communication data processing module is connected with the energy calculation module, and the communication data processing module can number communication data and add a timestamp to the numbered communication data.
The communication data processing module is connected with a communication module, and the communication module is used for sending communication data to the external gateway and receiving feedback data sent by the external gateway.
An information security management module is arranged between the communication data processing module and the communication module and used for identity authentication of information interaction objects of communication data, encryption and decryption of the interaction data and integrity and validity verification of the interaction data.
The natural gas data acquisition system comprises a flow sensor, a pressure sensor and a temperature sensor, wherein the flow sensor, the pressure sensor and the temperature sensor are all connected with the energy calculation module, and the energy calculation module can calculate the working condition flow of natural gas through the natural gas physical data acquired by the flow sensor, the pressure sensor and the temperature sensor, and realizes the conversion of the working condition flow to the standard condition flow.
In this embodiment, the calorific value analysis processing system includes a calorific value analysis processing module, and an input end of the calorific value analysis processing module is connected to the sample gas processing system and the standard gas processing system, wherein,
the input end of the sample gas processing system is connected with a sample gas controller, the input end of the sample gas controller is also provided with a sample gas collecting interface, the sample gas processing system is used for removing impurities from the collected natural gas, the calorific value analyzing and processing module is used for calculating the unit calorific value of the natural gas after the impurities are removed and transmitting the calculation result to the energy calculation module;
the input end of the standard gas processing system is connected with a standard gas collecting port, the standard gas processing system is used for conducting impurity removal processing on collected standard gas, the calorific value analysis processing module conducts calorific value calculation on the impurity-removed standard gas, the calculation result is compared with the standard value of the calorific value of the standard gas, and calibration of the calorific value analysis processing module is achieved.
In this embodiment, a built-in gateway is connected to the energy calculation module, the built-in gateway can perform communication preprocessing work to facilitate normal transmission of communication data, and meanwhile, the communication data processing module can also effectively discriminate the communication data transmitted by the energy calculation module, distinguish different communication data in the communication data processing module by numbering the communication data and adding a timestamp to the numbered communication data, and when the communication data processing module transmits the communication data to a subsequent module, the subsequent module can effectively distinguish each communication data and also facilitate arrangement and storage of the communication data; this embodiment is through numbering process and the time stamp of adding to communication data in communication data processing module, make communication data possess the direct ability of being discerned and distinguishing, make the staff when receiving a large amount of communication data, can handle communication data fast effectively, at least one the same communication data can regard as the problem data of treating discernment to number and time stamp to handle, can enough avoid redundant communication data to increase staff's work load like this, also can effectually distinguish problem data, when the facing problem data, the staff can treat problem data more cautiously, and avoid the influence that problem data brought follow-up work.
In this embodiment, the numbers and the time stamps are synchronized when adding the communication data, so that each number can correspond to a unique time stamp.
In practical application of this embodiment, an input port of the communication data processing module is connected to the energy calculation module, and an output port of the communication data processing module is connected to the information security management module.
In this embodiment, the energy calculation module is further connected with a touch display screen, and the touch display screen is electrically connected with the energy calculation module to realize bidirectional communication. The energy calculation module sends information such as working condition pressure, temperature, working condition flow, standard condition flow, sample gas heating value and the like of the natural gas to a touch display screen to realize display monitoring of a field end; and related control instructions can be sent to the energy calculation module by operating the touch display screen on site, so that the parameters in the authority can be adjusted.
In this embodiment, the built-in gateway further includes a data storage module, and the communication data is numbered and added with a timestamp and then sent to the data storage module for backup;
the energy calculation module sends natural gas energy calculation results to the built-in gateway, the communication data processing module sends a query instruction to the data storage module after receiving communication data sent by the energy calculation module, the identity marks of the natural gas energy calculation results in the communication data are compared with the identity marks of the communication data in the data storage module, if the identity marks are the same and the timestamps of the communication data are the same, one communication data is discarded, and if the identity marks are the same and the timestamps of the communication data are different, both the two communication data are marked in error.
Setting alarm recording times, if the timestamps of two communication data carrying error marks are adjacent, performing alarm recording, and sending an error report after the same alarm record repeatedly exceeds the set alarm recording times;
if the timestamps of the two sets of communication data carrying the error marks are not adjacent, extracting the communication data with the adjacent numbers of the communication data carrying the error marks from the data storage module to a communication data processing module, respectively grouping the two sets of communication data carrying the error marks and the adjacent numbers of the communication data into one group, respectively taking the variance of the two groups of communication data, and deleting the error marks in the group of communication data with the small variance.
The energy calculation module comprises a marking unit, the marking unit is used for converting the natural gas energy calculation result into communication data and adding an identity mark to the converted communication data, wherein,
judging whether mark data corresponding to the communication data exist in a preset mark set or not, wherein the mark data are generated after identity marking operation is carried out on the communication data;
and if the tag data does not exist, performing identity tag operation on the communication data in the tag set to obtain tag data corresponding to the communication data.
And the data storage module comprises a query unit, and after receiving a query instruction of the communication data processing module, the data storage module responds to the query instruction and traverses the identity tag of the communication data in the data storage module from the communication data adjacent to the timestamp.
In this embodiment, the data storage module is connected to the communication data processing module, and local storage of the communication data can effectively guarantee integrity of the communication data, so that problem data can be effectively queried and problem analysis can be performed when an error is checked, and the communication data which is completely backed up in the data storage module can help to screen subsequent communication data, thereby avoiding content of an error in transmission of the communication data. In this embodiment, the identity tag is set for the natural gas energy calculation result in the energy calculation module, so that the energy calculation result is provided with the identity tag before being converted into the communication data, which avoids the occurrence of repeated numbering and stamping of different timestamps on the same communication data when the numbering process and the timestamp addition are performed in the communication data processing module, so that the same communication data can be treated as different communication data by a worker, which is not beneficial to the development of subsequent work, so that the embodiment is particularly configured that one communication data is discarded if the identity tags are the same and the timestamps of the communication data are the same, two communication data are both falsely marked if the identity tags are the same and the timestamps of the communication data are different, and only one communication data is left if the identity tags, the numbering and the timestamps are the same after the processing, redundant communication data can be effectively eliminated, errors can also exist in the data processing process, the first condition is that different numbering processes and time stamps are carried out on the communication data with the same identity tag, the second condition is that the same numbering processes and time stamps are carried out on the communication data with different identity tags, and the communication data can be processed by intervention of workers under the two conditions to avoid enlarging the influence of the errors, so the embodiment carries out error marking on the information, the data can be timely and effectively processed after the workers receive the error marks to avoid the influence on subsequent work, the information interaction of the workers on the device in the embodiment can depend on the existing technologies (such as transmission to an external management platform through a communication module, an external gateway and the like) of a touch display screen or a network, and the content required to be protected by the invention is not involved, and will not be described in detail herein. Since the error occurrence situation is universal in huge data volume during data communication, in this embodiment, in order to avoid normalization of the emergency state of the staff, a fault tolerance exists for the warning of the error flag, the erroneous judgment during the persistent error occurrence is avoided by setting the alarm recording times in advance, if two adjacent communication data carry the error flag, it is indicated that the device may have persistent errors during communication data processing, and at this time, alarm recording is performed, but since a single alarm recording cannot effectively prove that the persistent errors occur, this embodiment determines whether the persistent errors actually occur by the fault tolerance by setting the alarm recording times, and if the same alarm recording exceeds the set alarm recording times repeatedly, an error report is sent, the possibility of misjudgment of the error report at the moment is greatly reduced, and the waste of human resources can be avoided when the response of the staff is processed.
When receiving data, if two pieces of communication data carrying error marks are not adjacent, since the identity marks in the two pieces of error marks are the same, it is proved that one piece of communication data in the two pieces of communication data is erroneous, and the other piece of communication data is normal communication data affected by the error data, so this embodiment extracts the communication data with adjacent numbers of the communication data carrying the error marks from the data storage module to the communication data processing module, the two pieces of communication data carrying the error marks and the adjacent numbers of communication data are respectively a group, takes variance for the two groups of communication data, deletes the error marks in the group of communication data with small variance, and by determining the variance, a group with small fluctuation with the adjacent communication data can be obtained, and the transition between the group of communication data and the adjacent communication data is smoother, and the change of the natural gas energy metering result is definitely a regular change, therefore, the fluctuation between the communication data and the adjacent data should be small, and the error mark removal of the communication data in the group with small variance in the embodiment can effectively reduce the misjudgment of the communication data errors.
As shown in fig. 2, the embodiment also relates to a centralized computing energy metering internet of things system with a built-in gateway, which includes a user platform, a service platform, a management platform, a sensing network platform and a sensing control platform that interact in sequence;
the perception control platform is the natural gas energy metering device, and transmits the acquired perception information to the management platform through the sensing network platform;
the management platform comprises an energy metering management system, the energy metering management system carries out comprehensive analysis processing on the received perception information, transmits user demand information to the user platform through the service platform, and issues a control instruction to the perception control platform through the sensing network platform.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The centralized operation type energy metering device with the built-in gateway comprises a natural gas data acquisition system, a calorific value analysis processing system and an energy calculation module, wherein the natural gas data acquisition system and the calorific value analysis processing system are both connected with the energy calculation module,
the natural gas data acquisition system is used for acquiring physical data of natural gas and sending the physical data to the energy calculation module;
the calorific value analysis processing system is used for calculating the calorific value of the natural gas unit and sending the calculation result to the energy calculation module;
the energy calculation module is used for receiving physical data of the natural gas and a natural gas unit heating value calculation result and calculating natural gas energy;
the energy calculation system is characterized in that the energy calculation module is connected with a built-in gateway, the built-in gateway is used for communication preprocessing work, and the energy calculation module sends a natural gas energy calculation result to the built-in gateway in a communication data mode; the built-in gateway comprises a communication data processing module, the communication data processing module is connected with the energy calculation module, and the communication data processing module can number communication data and add a timestamp to the numbered communication data.
2. The centralized computing energy metering device with built-in gateway of claim 1, characterized in that the built-in gateway further comprises a data storage module, and the communication data is sent to the data storage module for backup after being numbered and time-stamped;
the energy calculation module sends natural gas energy calculation results to the built-in gateway, the communication data processing module sends a query instruction to the data storage module after receiving communication data sent by the energy calculation module, the identity marks of the natural gas energy calculation results in the communication data are compared with the identity marks of the communication data in the data storage module, if the identity marks are the same and the timestamps of the communication data are the same, one communication data is discarded, and if the identity marks are the same and the timestamps of the communication data are different, both the two communication data are marked in error.
3. The centralized computing type energy metering device with the built-in gateway according to claim 2, wherein the number of alarm records is set, and when the timestamps of two pieces of communication data carrying error flags are adjacent, an alarm record is made, and when the same alarm record repeatedly exceeds the set number of alarm records, an error report is sent;
if the timestamps of the two sets of communication data carrying the error marks are not adjacent, the communication data with the adjacent numbers of the communication data carrying the error marks are extracted from the data storage module to the communication data processing module, the two sets of communication data carrying the error marks and the adjacent numbers of the communication data are respectively a group, the variance is respectively taken for the two groups of communication data, and the error marks in the group of communication data with the small variance are deleted.
4. The centralized computing energy metering device with built-in gateway according to claim 2, wherein the energy calculation module includes a labeling unit configured to convert the natural gas energy calculation result into communication data and add an identity label to the converted communication data, a label set is preset in the labeling unit, the label set is a set of the identity labels, wherein,
judging whether mark data corresponding to the communication data exist in a preset mark set or not, wherein the mark data are generated after identity marking operation is carried out on the communication data;
and if the tag data does not exist, performing identity tag operation on the communication data in the tag set to obtain tag data corresponding to the communication data.
5. The centralized computing energy metering device with built-in gateway of claim 4, characterized in that the data storage module comprises a query unit, when the data storage module receives the query instruction of the communication data processing module, the query unit responds to the query instruction and traverses the identity tag of the communication data in the data storage module from the communication data adjacent to the timestamp.
6. The centralized computing energy metering device with the built-in gateway as claimed in claim 1, wherein the communication data processing module is connected with a communication module, and the communication module is used for sending communication data to the external gateway and receiving feedback data sent by the external gateway.
7. The centralized computing energy metering device with the built-in gateway of claim 6, wherein an information security management module is arranged between the communication data processing module and the communication module, and the information security management module is used for identity authentication of information interaction objects, encryption and decryption of interaction data, integrity and validity verification of the interaction data of the communication data.
8. The centralized computing type energy metering device with the built-in gateway according to claim 1, wherein the natural gas data acquisition system comprises a flow sensor, a pressure sensor and a temperature sensor, the flow sensor, the pressure sensor and the temperature sensor are all connected with the energy calculation module, and the energy calculation module can calculate the working condition flow of natural gas through natural gas physical data acquired by the flow sensor, the pressure sensor and the temperature sensor and realize conversion from the working condition flow to standard condition flow.
9. The centralized computing type energy metering device with a built-in gateway according to claim 1, wherein the calorific value analysis processing system includes a calorific value analysis processing module, and a sample gas processing system and a standard gas processing system are connected to an input end of the calorific value analysis processing module,
the input end of the sample gas processing system is connected with a sample gas controller, the sample gas processing system is used for removing impurities from the collected natural gas, the calorific value analysis processing module is used for calculating the unit calorific value of the natural gas after the impurities are removed, and the calculation result is transmitted to the energy calculation module;
the input end of the standard gas processing system is connected with a standard gas collecting port, the standard gas processing system is used for conducting impurity removal processing on collected standard gas, the calorific value analysis processing module conducts calorific value calculation on the impurity-removed standard gas, the calculation result is compared with the standard value of the calorific value of the standard gas, and calibration of the calorific value analysis processing module is achieved.
10. The centralized operation type energy metering Internet of things system with the built-in gateway is characterized by comprising a user platform, a service platform, a management platform, a sensing network platform and a perception control platform which are sequentially interacted;
the perception control platform is the natural gas energy metering device of any one of claims 1 to 9, and transmits acquired perception information to the management platform through the sensing network platform;
the management platform comprises an energy metering management system, the energy metering management system carries out comprehensive analysis processing on the received perception information, transmits user demand information to the user platform through the service platform, and issues a control instruction to the perception control platform through the sensing network platform.
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