CN114414619B - Energy metering device embedded with information security management module and Internet of things system - Google Patents
Energy metering device embedded with information security management module and Internet of things system Download PDFInfo
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- CN114414619B CN114414619B CN202210059676.2A CN202210059676A CN114414619B CN 114414619 B CN114414619 B CN 114414619B CN 202210059676 A CN202210059676 A CN 202210059676A CN 114414619 B CN114414619 B CN 114414619B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
The application discloses an energy metering device embedded with an information safety management module, which comprises an energy metering module and a communication module; an information security management module is arranged between the energy calculation module and the communication module and is used for authenticating the identity of the information interaction object, encrypting and decrypting the interaction data and verifying the integrity and the validity of the interaction data; the energy calculating module calculates natural gas energy according to the acquired standard condition flow information and the natural gas unit heating value information of the corresponding time period; the communication module is used for realizing the external communication of the energy metering device. The application effectively improves the operation speed and efficiency, reduces operation faults, has the information safety management function, and can ensure the information safety of external information interaction of the natural gas metering device.
Description
Technical Field
The application relates to the technical field of natural gas capability calculation, in particular to an energy metering device embedded with an information security management module.
Background
Natural gas is taken as a high-quality, efficient and clean energy source and an important chemical raw material, is widely valued and preferentially utilized in various countries worldwide, and accounts for 35% of the energy structure. Along with the continuous rising of the status of natural gas as an environment-friendly energy source, the accurate, fair and fair metering work of natural gas is an important technical work for scientifically managing natural gas, and the natural gas is related to multiple benefits. Meanwhile, the natural gas is used as fuel, the actual value of the natural gas is the calorific value of the natural gas rather than the volume, and the foreign natural gas metering mode generally adopts an energy metering method, so that unnecessary disputes are inevitably generated in the process of natural gas trade handover with other countries, and the research of natural gas energy metering equipment is very significant.
The existing natural gas gathering and transportation station is provided with metering equipment, but the traditional metering equipment cannot judge the accuracy of an energy metering result, after long-time use, the actual metering result of the metering equipment has larger error, and the existing metering device has poorer safety performance.
Disclosure of Invention
The application aims to overcome the defects in the prior art, and aims to provide the energy metering device embedded with the information safety management module, so that the operation speed and efficiency are effectively improved, the operation faults are reduced, the energy metering device has the information safety management function, and the information safety of external information interaction of the natural gas metering device can be ensured.
The application is realized by the following technical scheme:
the energy metering device embedded with the information safety management module comprises an energy metering module and a communication module;
an information security management module is arranged between the energy calculation module and the communication module and is used for authenticating the identity of the information interaction object, encrypting and decrypting the interaction data and verifying the integrity and the validity of the interaction data;
the energy calculating module calculates natural gas energy according to the acquired standard condition flow information and the natural gas unit heating value information of the corresponding time period;
the communication module is used for realizing the external communication of the energy metering device.
The system further comprises a heating value analysis processing module and a flow comprehensive analysis processing module, wherein the heating value analysis processing module is used for calculating the heating value of the natural gas unit and transmitting the calculation result to the energy calculation module;
the input end of the heating value analysis processing module is provided with a sample gas processing system and a standard gas processing system, the input end of the sample gas processing system is also provided with a sample gas controller, the input end of the sample gas controller is also provided with a sample gas acquisition interface, and the input end of the standard gas processing system is also provided with a standard gas acquisition interface;
the standard gas treatment system is used for carrying out impurity removal treatment on the collected standard gas, the heating value analysis treatment module is used for carrying out heating value calculation on the standard gas subjected to impurity removal, and comparing the calculation result with the standard value of the heating value of the standard gas so as to realize the calibration of the heating value analysis treatment module; the sample gas processing system is used for removing impurities from the collected natural gas, the heating value analysis processing module is used for calculating the unit heating value of the natural gas after the impurities are removed, and the calculation result is transmitted to the energy calculation module;
the flow comprehensive analysis processing module is used for acquiring natural gas perception information, calculating to obtain standard condition flow information and transmitting the standard condition flow information to the energy calculation module.
The system further comprises a touch display, a flow sensor, a pressure sensor and a temperature sensor, wherein the flow comprehensive analysis processing module is used for analyzing and processing signals acquired by the flow sensor, the pressure sensor and the temperature sensor, calculating the working condition flow of the natural gas and realizing conversion to the standard working condition flow;
the touch display is respectively connected with the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module, and can send control instructions to the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module to adjust the parameters in the authority.
The system further comprises a shell, wherein the energy calculation module, the communication module, the information security management module, the touch display, the heating value analysis processing module and the flow comprehensive analysis processing module are all positioned in the shell;
the shell is internally provided with a gas pipe penetrating through the shell, and the flow sensor, the pressure sensor and the temperature sensor are positioned in the gas pipe;
the sample gas collection interface comprises a sampling tube, one end of the sampling tube is communicated with the gas pipe, the other end of the sampling tube is connected with a sample gas controller, and the sample gas controller comprises a sphere with a hollow structure;
the lower end of the sphere is provided with a connecting pipe, the lower end of the connecting pipe is provided with a storage pipe for collecting impurities, one end of the storage pipe is detachably connected with the connecting pipe, the other end of the storage pipe is of a closed structure, the side wall of the connecting pipe is also provided with a heat tracing pipe, and the heat tracing pipe is communicated with a sample gas treatment system;
the inside of spheroid is equipped with edulcoration subassembly, the edulcoration subassembly can be in the spheroid internal rotation, shifts the impurity that collects in the sampling pipe department to the reserve tube.
Further, a first elastic piece is further arranged on the inner wall of the gas pipe, one end of the first elastic piece is connected with the inner wall of the gas pipe, and the other end of the first elastic piece is provided with a plugging block which can plug the sampling pipe;
when the impurity removing assembly in the ball body rotates to face the sampling tube, the impurity removing assembly can push the blocking block to compress the first elastic piece, and the sampling tube is opened.
Further, the impurity removing assembly comprises a motor, a first telescopic piece, a collecting box and an impurity removing unit, wherein the motor is positioned on the outer wall of the sphere, the output end of the motor is provided with a movable shaft, one end of the first telescopic piece is fixed on the movable shaft, and the other end of the first telescopic piece penetrates through the bottom of the collecting box and is connected with the impurity removing unit;
a filter screen is further arranged in the collecting box, a first connecting hole and a plurality of air holes are further formed in the bottom of the collecting box, and the first telescopic piece is positioned in the first connecting hole;
the edulcoration unit is including the fixed block that inside was equipped with the cavity, be equipped with a plurality of clearance sticks in the cavity of fixed block, first extensible member and cavity intercommunication, when aerifing in the first extensible member, the clearance stick can follow in the fixed block and stretch out.
Further, a limiting hole is further formed in the inner wall of the collecting box, and the cleaning rod can be inserted into the limiting hole;
the inner wall of the sampling tube is also provided with a groove, a second elastic piece and an unlocking rod are arranged in the groove, and the second elastic piece can push the unlocking rod to be inserted into the limiting hole;
the cleaning rod is located at the tail end in the cavity and is further provided with a fixing plate, a third elastic piece with elasticity smaller than that of the second elastic piece is further arranged in the cavity of the fixing block, and the third elastic piece is sleeved on the cleaning rod and connected with the fixing plate.
Further, two second telescopic members are further arranged on the inner wall of the sphere, the two second telescopic members are located in the same vertical direction, one end of each second telescopic member is connected with the inner wall of the sphere, the other end of each second telescopic member is provided with a connecting block, a plugging plate is arranged on each connecting block and detachably connected with each connecting block, and the second telescopic members can drive the plugging plates to be inserted into the collecting box.
Further, two sides of the outer wall of the collecting box are provided with strip-shaped openings communicated with the inside, and the plugging plates can be inserted into the strip-shaped openings;
the end part of the connecting block, which is far away from the direction of the second telescopic piece, is provided with a containing groove, the inner wall of the containing groove is provided with a placing groove, a fourth elastic piece and a clamping block are arranged in the placing groove, the clamping block can be pulled to retract into the placing groove by the tensile force generated by the fourth elastic piece, an air pipe is further arranged in the second telescopic piece, and the air pipe is communicated with the placing groove;
the surface of the plugging plate is provided with a holding groove, and when gas in the gas pipe enters the placing groove, the gas can push the clamping block to be inserted into the holding groove.
The energy metering internet of things system embedded with the information security management module comprises a user platform, a service platform, a management platform, a sensing network platform and a perception control platform which are sequentially interacted;
the sensing control platform is the energy metering device, and transmits the acquired sensing information to the management platform through the sensing network platform;
the management platform comprises an energy management system, the energy management system performs 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.
Compared with the prior art, the application has the following advantages and beneficial effects:
1. the application realizes the integrated design of the natural gas energy metering device, and each functional module has good parameter matching performance and more accurate metering; the integrated design is beneficial to improving the purchasing efficiency of customers, improving the working efficiency of equipment management, reducing the operation load of the modules by adopting a step-by-step operation mode of the modules, effectively improving the operation speed and efficiency, reducing operation faults, ensuring the information safety of external information interaction of the natural gas metering device, and realizing intelligent management operation of natural gas energy metering by establishing an operation system of the Internet of things;
2. when the sampling tube is used for sampling the natural gas in the gas pipe, the impurity removing assembly can be used for removing impurities from the natural gas entering the sampling tube, the filtered impurities are temporarily stored in the collecting box, and meanwhile, after the sampling is completed, the collecting box can be rotated by 180 degrees, the impurities stored in the collecting box are transferred into the storage tube, so that a user can conveniently and regularly discharge the filtered impurities.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of the structure of the housing of the present application;
FIG. 3 is a schematic view of the structure of the present application in a housing;
FIG. 4 is a schematic view of the structure of the sample tube and the interior of the sphere in the housing of the present application;
FIG. 5 is a schematic view of the structure of the sample tube and the ball in the housing of the present application in an alternative state;
FIG. 6 is a schematic view of the structure of the sphere of the present application;
FIG. 7 is a schematic view of the structure of the sphere of the present application in another state;
FIG. 8 is a schematic view of the structure of the collecting box and the fixed block of the present application;
FIG. 9 is an enlarged schematic view of the portion A of FIG. 6 according to the present application;
FIG. 10 is an enlarged schematic view of the portion B of FIG. 6 according to the present application;
FIG. 11 is an enlarged schematic view of the portion C of FIG. 6 according to the present application;
FIG. 12 is an enlarged view of the portion D of FIG. 7 according to the present application;
fig. 13 is a schematic diagram of a system architecture in embodiment 3 of the present application.
In the drawings, the reference numerals and corresponding part names:
1-housing, 2-gas pipe, 3-sample gas processing system, 4-standard gas processing system, 5-standard gas collection interface, 6-storage pipe, 7-connection pipe, 8-sphere, 9-energy calculation module, 11-flow sensor, 12-pressure sensor, 13-temperature sensor, 14-heat tracing pipe, 15-sampling pipe, 16-block, 17-first elastic piece, 18-collection box, 19-first elastic piece, 20-fixed block, 22-movable shaft, 23-fifth elastic piece, 24-second elastic piece, 25-unlocking rod, 26-fourth elastic piece, 27-gas pipe, 28-second elastic piece, 29-block plate, 30-clamping block, 31-connection block, 32-cleaning rod, 33-bar mouth, 34-third elastic piece, 35-filter screen, 36-first connection hole, 37-second connection hole, 38-fixed plate
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
Example 1
As shown in fig. 1, the application comprises a flow sensor, a pressure sensor, a temperature sensor and a flow comprehensive analysis processing module, wherein the flow comprehensive analysis processing module is used for analyzing and processing signals acquired by the flow sensor, the pressure sensor and the temperature sensor.
In order to monitor the flow, pressure and stability of the natural gas in the gas pipe in real time, the flow sensor, the pressure sensor and the temperature sensor are respectively arranged, the flow sensor, the pressure sensor and the temperature sensor are distributed in a pipeline with detection, the instantaneous flow information of the natural gas is acquired through the flow sensor and is transmitted to the flow comprehensive analysis processing module, the real-time pressure information of the natural gas is acquired through the pressure sensor and is transmitted to the flow comprehensive analysis processing module, the real-time temperature information of the natural gas is acquired through the temperature sensor and is transmitted to the flow comprehensive analysis processing module, and the acquired signals are analyzed and processed by the flow comprehensive analysis processing module to judge whether the natural gas in the pipeline is in a normal state.
The system also comprises an energy calculation module, a communication module and a touch display, wherein the energy calculation module is used for transmitting and receiving signals to the flow comprehensive analysis processing module, the communication module and the touch display; the touch display is also connected with the flow comprehensive analysis processing module, and the communication module is connected with a gateway outside the device to realize external communication of the energy metering device.
The system comprises a touch display, an energy calculation module, a heating value analysis processing module, a sample gas processing system, a sample gas controller, a sample gas collection interface and a sample gas control module, wherein the output end of the heating value analysis processing module is respectively connected with the touch display and the energy calculation module;
and the input end of the standard gas treatment system is provided with a standard gas acquisition interface.
The touch display is respectively and electrically connected with the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module to realize two-way communication. The touch display can acquire and display information such as working condition pressure, temperature, working condition flow, standard condition flow, sample gas heating value and the like of the natural gas; and the touch display can be operated on site to send related control instructions to the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module so as to adjust the parameters in the authority.
The standard gas enters the heating value analysis processing module through the standard gas collection interface and the standard gas processing system, the heating value analysis processing module analyzes the heating value of the standard gas, and the analysis of the heating value is carried out according to the standard value of the heating value of the standard gas.
The natural gas sequentially passes through the sample gas acquisition interface, the sample gas controller and the sample gas processing system to enter the heating value analysis processing module, and the heating value analysis processing module calculates the unit heating value of the sample gas.
The flow comprehensive analysis processing module and the heating value analysis processing module respectively transmit standard condition flow information and a unit heating value calculation result of the sample gas to the energy calculation module, wherein the standard condition flow information is standard condition flow information obtained by the flow comprehensive analysis processing module through calculation of the instantaneous working condition flow according to the acquired flow, pressure and temperature sensing information, and the instantaneous working condition flow is converted according to the instantaneous working condition flow.
And the energy calculation module calculates the natural gas energy according to the acquired standard condition flow information and the natural gas (sample gas) heating value information in the corresponding period.
And an information security management module is embedded between the energy calculation module and the communication module, so that information security management in the external information interaction process of the metering device is realized. The information security management mainly relates to identity authentication of information interaction objects, encryption and decryption of interaction data, integrity and validity verification of the interaction data and the like.
In addition, the standard gas can be collected through the standard gas collection interface and the standard gas processing system and enter the heating value analysis processing module, the heating value analysis processing module calculates the heating value of the standard gas, and the calculation result is compared with the standard value of the heating value of the standard gas, so that the calibration of the heating value analysis processing module is realized.
According to the technical scheme, the integrated design of information acquisition such as flow, pressure and temperature is adopted, the distributed information processing module is configured, the parameter matching performance of each functional module is good, the measurement is more accurate, the space occupied by the device is effectively reduced, the installation of a user is facilitated, and the integrated design is beneficial to improving the purchasing efficiency of a customer and the management working efficiency of equipment; the flow, the heat and the energy adopt a step-by-step operation mode of the sub-modules, so that the operation load of the modules is reduced, the operation speed and the operation efficiency are effectively improved, the operation faults are reduced, the information safety management function is realized, and the information safety of external information interaction of the natural gas metering device can be ensured.
Example 2
As shown in fig. 2 to 12, on the basis of embodiment 1, the device further comprises a housing 1, wherein the energy calculation module, the communication module, the information security management module, the touch display, the heating value analysis processing module, the flow comprehensive analysis processing module, the sample gas controller, the sample gas processing system, the standard gas processing system and the standard gas collection interface are all positioned in the housing 1; the gas pipe 2 penetrating through the shell 1 is arranged in the shell 1, and the flow sensor, the pressure sensor and the temperature sensor are positioned in the gas pipe 2; the sample gas collection interface comprises a sampling tube 15, one end of the sampling tube 15 is communicated with the gas pipe 2, the other end of the sampling tube is connected with a sample gas controller, and the sample gas controller comprises a sphere 8 with a hollow structure; the lower end of the sphere 8 is provided with a connecting pipe 7, the lower end of the connecting pipe 7 is provided with a storage pipe 6 for collecting impurities, one end of the storage pipe 6 is detachably connected with the connecting pipe 7, the other end is of a closed structure, the side wall of the connecting pipe 7 is also provided with a heat tracing pipe 14, and the heat tracing pipe 14 is communicated with the sample gas treatment system 3; the inside of spheroid 8 is equipped with edulcoration subassembly, edulcoration subassembly can rotate in spheroid 8, shifts the impurity that the sampling pipe 15 department was collected into storage tube 6.
Because the natural gas edulcoration effect in certain gas pipe 2 is not good, lead to the natural gas on the gas pipe 2 still to have some solid impurity, like silt, rock granule, in order to prevent sampling pipe 15 in the in-process of gathering gas, impurity in the natural gas that mixes gets into sampling pipe 15, lead to the sampling pipe 15 to take place to block up and influence the normal collection to natural gas, so this technical scheme is provided with the sample gas controller at the lower extreme of gas pipe 15, the sample gas controller includes spheroid 8, be provided with the edulcoration subassembly in the spheroid 8, in the in-process of gathering, the natural gas that gets into in sampling pipe 15 can filter the solid impurity that mixes in the natural gas under the effect of edulcoration subassembly, and temporarily collect the solid impurity that gets into in sampling pipe 15, to store the impurity in the edulcoration subassembly again after waiting to accomplish the sampling and transfer to store in the reserve pipe 6, collect solid impurity concentratedly, because reserve pipe 6 and connecting pipe 7 pass through threaded connection, consequently the user is from 7 down on the time, just can realize tearing down the reserve pipe 6 from 7, thereby the sample pipe 15 the solid impurity that has been carried out to collect the solid impurity that the sample gas that the regular phase has been got into in the sampling pipe 15, the regular condition of the time, the condition of avoiding the sample pipe to get into the sample 15 to be taken place.
The inner wall of the gas pipe 2 is also provided with a first elastic piece 17, one end of the first elastic piece 17 is connected with the inner wall of the gas pipe 2, the other end of the first elastic piece is provided with a plugging block 16, and the plugging block 16 can plug the sampling pipe 15; when the impurity removing component in the ball 8 rotates to face the sampling tube 15, the impurity removing component can push the plugging block 16 to compress the first elastic piece 17, so that the sampling tube 15 is opened.
The provided plugging block 16 can push the plugging block 16 to be inserted into the sampling tube 15 under the action of the first elastic piece 17, and as the outer diameter of the plugging block 16 is consistent with the inner diameter of the sampling tube 15, the sampling tube 15 can be plugged by using the plugging block 16, so that on one hand, the situation that the sampling tube 15 is always in a closed state in the process of not sampling any more can be effectively avoided, and therefore, impurities mixed in natural gas cannot enter the sampling tube 15; on the other hand, when the impurities stored in the storage tube 6 need to be cleaned regularly, the sampling tube 15 is in a blocking state, so that the leakage of natural gas can not be caused when the storage tube 6 is detached, and the use safety of a user is ensured.
The edulcoration subassembly that sets up in this technical scheme can also exert upward thrust to shutoff piece 16 at the in-process of sample gas collection, removes shutoff piece 16 from sampling pipe 15, guarantees that the natural gas in the gas pipe 2 can get into in the sampling pipe 15.
The impurity removing assembly comprises a motor, a first telescopic piece 19, a collecting box 18 and an impurity removing unit, wherein the motor is positioned on the outer wall of the sphere 8, the output end of the motor is provided with a movable shaft 22, one end of the first telescopic piece 19 is fixed on the movable shaft 22, and the other end of the first telescopic piece penetrates through the bottom of the collecting box 18 and is connected with the impurity removing unit; a filter screen 35 is further arranged in the collecting box 18, a first connecting hole 36 and a plurality of air holes are further formed in the bottom of the collecting box 18, and the first telescopic piece 19 is positioned in the first connecting hole 36; the edulcoration unit includes the fixed block 20 that inside is equipped with the cavity, be equipped with a plurality of cleaning rod 32 in the cavity of fixed block 20, first extensible member 19 and cavity intercommunication, when aerifing in the first extensible member 19, cleaning rod 32 can stretch out in the fixed block 20.
The first telescopic piece 19 arranged in the technical scheme is a corrugated pipe, and is connected with an air pump arranged in the shell 1, when the first telescopic piece 19 is filled with air, the first telescopic piece 19 can expand along the vertical direction and drive the collecting box 18 and the impurity removing unit to extend into the sampling pipe 15 from the ball 8; the collection box 18 is located in the sampling tube 15, impurities entering the sampling tube 15 along with the natural gas fall into the collection box 18, and the natural gas is separated from the solid impurities under the action of the filter screen 35 arranged in the collection box 18, so that the natural gas enters the connecting tube 7 through the air holes formed in the bottom of the collection box 18 under the suction action of the sample gas processing system 3, and then is conveyed into the sample gas processing system 3 through the arranged heat tracing tube 14 to analyze the collected sample gas.
The fixed block 20 is arranged under the action of the first telescopic piece 19, the fixed block 20 is extended into the sampling tube 15, the gas entering the cavity of the fixed block 20 from the first telescopic piece 19 forces the cleaning rod 32 in the fixed block 20 to extend out and be attached to the inner wall of the sampling tube 15, the fixed block 20 moves in the sampling tube 15 at any time, impurities attached to the sampling tube 15 are scraped off and fall into the collecting box 18, the impurities attached to the inner wall of the sampling tube 15 for a long time are cleaned off and stored into the collecting box 18, and when the fixed block 20 moves to the plugging block 16, the plugging block 16 can be pushed to move out of the sampling tube 15 under the action of the fixed block 20, the sampling tube 15 is opened, so that the natural gas in the gas tube 2 enters into the sampling tube 15, and the impurities entering the sampling tube 15 along with the natural gas fall into the collecting box 18, and the impurities are filtered by the filter screen 35, so that the impurities in the sampling gas collecting process are removed.
And after the collection to the sample gas is accomplished, retract fixed block 20 and collection box 18 to in spheroid 8, then utilize the motor drive loose axle 22 that sets up to rotate, with the collection box 18 of vertical orientation to vertical down, align with the storage tube 6 that sets up, still be equipped with the supporting shoe in the collection box 18, the supporting shoe is located the fixed block 20 under, be equipped with the second connecting hole 37 on the fixed block 20, the internal diameter of second connecting hole 37 is greater than the external diameter of first extensible member 19, make first extensible member 19 run through first connecting hole 36 in proper order, the cavity connection with fixed block 20 behind the second connecting hole 37, and the filter screen 35 slope that sets up is connected with the supporting shoe, so make the impurity that drops to the collection box 18 under the effect of filter screen 35 of incline state, can concentrate towards the inner wall direction pile up of collection box 18, so that the impurity that the collection box 18 is in the state of orientation, the impurity that stores in the collection box 18 can drop to storage tube 6, concentrate the collection to the impurity, so as to regularly clear up, in the impurity is in the collection box 18 is gone into the storage tube 18 in the clearance mode of the interior of the collection box 18 of the drive of the spheroid 18 through the side of setting up, the filter screen 35 is located in the clearance in the collection box 18, the clearance mode is left side of the collection box 18.
A limiting hole is further formed in the inner wall of the collecting box 18, and the cleaning rod 32 can be inserted into the limiting hole; a groove is further formed in the inner wall of the sampling tube 15, a second elastic piece 24 and an unlocking rod 25 are arranged in the groove, and the second elastic piece 24 can push the unlocking rod 25 to be inserted into the limiting hole; the cleaning rod 32 is further provided with a fixing plate 38 at the end in the cavity, the cavity of the fixing block 20 is further provided with a third elastic member 34 with an elastic force smaller than that of the second elastic member 24, and the third elastic member 34 is sleeved on the cleaning rod 32 and connected with the fixing plate 38.
Because the collecting box 18 provided in this technical solution is used for temporarily collecting impurities entering the sampling tube 15, and meanwhile, in order to ensure that the fixed block 20 provided can smoothly extend out of the collecting box 18, the inner wall of the sampling tube 15 is provided with the second elastic member 24 and the unlocking rod 25, in the initial state, no air is introduced into the first telescopic member 19, the first telescopic member 19 is in an unstretched state, therefore, the collecting box 18 and the fixed block 20 are both positioned in the sphere 8, the fixed block 20 is positioned in the collecting box 18, the uppermost cleaning rod 32 in the fixed block 20 is aligned with the limiting hole on the collecting box 18, the movable shaft 22 is also provided with the fifth elastic member 23, the fifth elastic member 23 is connected with the bottom of the collecting box 18, and the fifth elastic member 23 is larger than the elastic force of the third elastic member 34, therefore, when air is introduced into the first telescopic member 19 by using the air pump, the gas entering the first expansion piece 19 preferentially enters the cavity of the fixed block 20, the gas entering the fixed block 20 acts on the fixed plate 38 to force the cleaning rod 32 to extend out of the fixed block 20, and the cleaning rod 32 aligned with the limiting hole is inserted into the limiting hole, so that the fixed block 20 can be fixed in the collecting box 18, therefore, when the gas continuously fills the first expansion piece 19, when the gas pressure entering the first expansion piece 19 is greater than the elastic force of the fifth elastic piece 23, the first expansion piece 19 can expand and stretch upwards along the vertical direction to change the height of the collecting box 18, so that the collecting box 18 extends into the sampling tube 15, and because the end part of the arranged unlocking rod 25 is in a conical structure, when the upper end of the collecting box 18 moves to the unlocking rod 25, the unlocking rod 25 is easy to retract into the groove of the sampling tube 15, the collecting box 18 can be ensured to smoothly pass through the unlocking rod 25, when the unlocking rod 25 moves to the limiting hole of the collecting box 18, under the action of the second elastic piece 24, the unlocking rod 25 is pushed to be inserted into the limiting hole, the cleaning rod 32 in the limiting hole is pushed to retract into the fixing block 20, the fixing block 20 and the collecting box 18 are in a separated state, the collecting box 18 is fixed by the unlocking rod 25, the collecting box 18 is fixed on the collecting box 15, the first telescopic piece 19 can continuously push the fixing block 20 to move out of the collecting box 18 and continuously move upwards in the collecting box 15, meanwhile, under the action of air pressure in the fixing block 20, the cleaning rod 32 can be driven to be attached to the inner wall of the collecting box 15, along with the movement of the fixing block 20, the cleaning rod 32 attached to the inner wall of the collecting box 15 can clean impurities attached to the inner wall of the collecting box 15 and fall into the collecting box 18, so that the cleaning of the impurities attached to the inner wall of the collecting box 15 are realized, and when the fixing block 20 moves into contact with the collecting box 16, the collecting box 16 can push the collecting box 16 to move upwards, and meanwhile, the cleaning rod 32 can be driven to move upwards from the collecting box 16 to the inner wall of the collecting box 15 under the action of air pressure in the fixing block 20, so that the natural gas can be opened into the sampling pipe 15.
The inner wall of the sphere 8 is also provided with two second telescopic members 28, two second telescopic members 28 are positioned on the same vertical direction, one end of each second telescopic member 28 is connected with the inner wall of the sphere 8, the other end of each second telescopic member is provided with a connecting block 31, the connecting blocks 31 are provided with plugging plates 29, the plugging plates 29 are detachably connected with the connecting blocks 31, and the second telescopic members 28 can drive the plugging plates 29 to be inserted into the collecting box 18.
In order to ensure that impurities stored in the collecting box 18 cannot fall into the ball 8 in the process of rotating the impurities in the collecting box 18 to the storage tube 6, a plugging plate 29 and a second telescopic piece 28 are arranged, the second telescopic piece 28 is also a corrugated pipe, the second telescopic piece 28 is also connected with an air pump, after the natural gas is sampled, the fixed block 20 is retracted into the collecting box 18, after the air is introduced into the second telescopic piece 28 at the upper side, the plugging plate 29 of the second telescopic piece 28 is forced to move towards the collecting box 18, and finally the plugging plate 29 is inserted into the collecting box 18 to plug the box opening of the collecting box 18, so that the collecting box 18 can be plugged under the action of the plugging plate 29 in the process of driving the collecting box 18 to rotate in the ball 8, and the impurities in the collecting box 18 are prevented from leaking out; when the collecting box 18 rotates to a state of vertically facing downwards, the second telescopic piece 28 downwards inflates, the connecting block 31 on the second telescopic piece 28 downwards is forced to be connected with the plugging plate 29 on the collecting box 18, then the plugging plate 29 connected with the connecting block 31 is removed from the collecting box 18 by the second telescopic piece 28 downwards, so that impurities stored in the collecting box 18 fall into the storage tube 6, the purpose of transferring the impurities in the collecting box 18 into the storage tube 6 is achieved, and a user can clean the impurities in the storage scraper 6 regularly.
When the impurities in the collection box 18 are discharged, the plugging plate 29 is reinserted into the collection box 18 by using the second telescopic piece 28 below, the collection box 18 is rotated to an oriented state by using the movable shaft 22, and the plugging plate 29 positioned in the collection box 18 is taken out by using the second telescopic piece 28 above, so that the collection of the sample gas is continued later.
The two sides of the outer wall of the collecting box 18 are provided with strip-shaped openings 33 communicated with the inside, and the plugging plate 29 can be inserted into the strip-shaped openings 33; the end part of the connecting block 31, which is far away from the direction of the second telescopic piece 28, is provided with a containing groove, the inner wall of the containing groove is provided with a placing groove, the placing groove is internally provided with a fourth elastic piece 26 and a clamping block 30, the clamping block 30 can be pulled to retract into the placing groove by the tensile force generated by the fourth elastic piece 26, the second telescopic piece 28 is internally provided with an air pipe 27, and the air pipe 27 is communicated with the placing groove; the surface of the plugging plate 29 is provided with a holding groove, and when the gas in the gas pipe 27 enters the placing groove, the gas can push the clamping block 30 to be inserted into the holding groove.
In order to realize detachable connection between the connecting block 31 and the plugging plate 29, a holding groove is formed in the plugging plate 29, an accommodating groove is formed in the side wall of the connecting block 31, when the plugging plate 29 is required to be fixed on the connecting block 31, the end face of the plugging plate 29 is inserted into the accommodating groove of the connecting block 31, then the air pump is connected with the air pump through the air pipe 27, the air pump is used for introducing air into the placing groove, the clamping block 30 is forced to extend out of the placing groove and is inserted into the holding groove of the plugging plate 29, so that the plugging plate 29 is fixed in the connecting block 31, the plugging of the plugging plate 29 to the box opening 33 of the collecting box 18 is realized by utilizing the movement of the second telescopic piece 28, then the air introduced into the placing groove is discharged, and under the action of the fourth elastic piece 26, the plugging plate 29 inserted into the holding groove is retracted into the placing groove, and the disassembly between the plugging plate 29 and the connecting block 31 is realized.
Example 3
As shown in fig. 13, the energy amount internet of things system embedded with the information security management module comprises a user platform, a service platform, a management platform, a sensing network platform and a perception control platform which are interacted in sequence;
the sensing control platform is the energy metering device, and transmits the acquired sensing information to the management platform through the sensing network platform;
the management platform comprises an energy management system, the energy management system performs 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 foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (5)
1. The energy metering device embedded with the information safety management module is characterized by comprising an energy metering module and a communication module;
an information security management module is arranged between the energy calculation module and the communication module and is used for authenticating the identity of the information interaction object, encrypting and decrypting the interaction data and verifying the integrity and the validity of the interaction data;
the energy calculating module calculates natural gas energy according to the acquired standard condition flow information and the natural gas unit heating value information of the corresponding time period;
the communication module is used for realizing the external communication of the energy metering device;
the system also comprises a heating value analysis processing module and a flow comprehensive analysis processing module, wherein the heating value analysis processing module is used for calculating the heating value of the natural gas unit and transmitting the calculation result to the energy calculation module;
the input end of the heating value analysis processing module is provided with a sample gas processing system and a standard gas processing system, the input end of the sample gas processing system is also provided with a sample gas controller, the input end of the sample gas controller is also provided with a sample gas acquisition interface, and the input end of the standard gas processing system is also provided with a standard gas acquisition interface;
the standard gas treatment system is used for carrying out impurity removal treatment on the collected standard gas, the heating value analysis treatment module is used for carrying out heating value calculation on the standard gas subjected to impurity removal, and comparing the calculation result with the standard value of the heating value of the standard gas so as to realize the calibration of the heating value analysis treatment module; the sample gas processing system is used for removing impurities from the collected natural gas, the heating value analysis processing module is used for calculating the unit heating value of the natural gas after the impurities are removed, and the calculation result is transmitted to the energy calculation module;
the flow comprehensive analysis processing module is used for acquiring natural gas perception information, calculating to obtain standard condition flow information and transmitting the standard condition flow information to the energy calculation module;
the system comprises a flow control module, a pressure sensor, a temperature sensor and a control module, wherein the flow control module is used for analyzing and processing signals acquired by the flow control module, the pressure sensor and the temperature sensor, calculating the working condition flow of natural gas and converting the working condition flow into standard working condition flow;
the touch display is respectively connected with the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module, and can send control instructions to the flow comprehensive analysis processing module, the heating value analysis processing module and the energy calculation module to adjust the parameters in the authority;
the intelligent energy-saving system comprises a shell (1), wherein an energy calculation module, a communication module, an information safety management module, a touch display, a heating value analysis processing module and a flow comprehensive analysis processing module are all positioned in the shell (1);
the gas pipe (2) penetrating through the shell (1) is arranged in the shell (1), and the flow sensor, the pressure sensor and the temperature sensor are positioned in the gas pipe (2);
the sample gas collection interface comprises a sampling tube (15), one end of the sampling tube (15) is communicated with the gas pipe (2), the other end of the sampling tube is connected with a sample gas controller, and the sample gas controller comprises a sphere (8) with a hollow structure;
the lower end of the sphere (8) is provided with a connecting pipe (7), the lower end of the connecting pipe (7) is provided with a storage pipe (6) for collecting impurities, one end of the storage pipe (6) is detachably connected with the connecting pipe (7), the other end of the storage pipe is of a closed structure, the side wall of the connecting pipe (7) is also provided with a heat tracing pipe (14), and the heat tracing pipe (14) is communicated with the sample gas treatment system (3);
the inside of the sphere (8) is provided with a impurity removing component which can rotate in the sphere (8) to transfer impurities collected at the sampling tube (15) into the storage tube (6);
the inner wall of the gas pipe (2) is also provided with a first elastic piece (17), one end of the first elastic piece (17) is connected with the inner wall of the gas pipe (2), the other end of the first elastic piece is provided with a plugging block (16), and the plugging block (16) can plug the sampling pipe (15);
when the impurity removing component in the ball body (8) rotates to face the sampling tube (15), the impurity removing component can push the plugging block (16) to compress the first elastic piece (17) so as to open the sampling tube (15);
the impurity removing assembly comprises a motor, a first telescopic piece (19), a collecting box (18) and an impurity removing unit, wherein the motor is positioned on the outer wall of the sphere (8), a movable shaft (22) is arranged at the output end of the motor, one end of the first telescopic piece (19) is fixed on the movable shaft (22), and the other end of the first telescopic piece penetrates through the bottom of the collecting box (18) and is connected with the impurity removing unit;
a filter screen (35) is further arranged in the collecting box (18), a first connecting hole (36) and a plurality of air holes are further formed in the bottom of the collecting box (18), and the first telescopic piece (19) is positioned in the first connecting hole (36);
the impurity removal unit comprises a fixed block (20) with a cavity inside, a plurality of cleaning rods (32) are arranged in the cavity of the fixed block (20), the first telescopic piece (19) is communicated with the cavity, and when the first telescopic piece (19) is inflated, the cleaning rods (32) can extend out of the fixed block (20).
2. The energy metering device embedded with the information safety management module according to claim 1, wherein a limiting hole is further formed in the inner wall of the collecting box (18), and the cleaning rod (32) can be inserted into the limiting hole;
the inner wall of the sampling tube (15) is also provided with a groove, a second elastic piece (24) and an unlocking rod (25) are arranged in the groove, and the second elastic piece (24) can push the unlocking rod (25) to be inserted into the limiting hole;
the cleaning rod (32) is located at the tail end in the cavity and is further provided with a fixing plate (38), a third elastic piece (34) with elasticity smaller than that of the second elastic piece (24) is further arranged in the cavity of the fixing block (20), and the third elastic piece (34) is sleeved on the cleaning rod (32) and connected with the fixing plate (38).
3. The energy metering device embedded with the information security management module according to claim 1, wherein two second telescopic members (28) are further arranged on the inner wall of the sphere (8), the two second telescopic members (28) are located on the same vertical direction, one end of each second telescopic member (28) is connected with the inner wall of the sphere (8), the other end of each second telescopic member is provided with a connecting block (31), a plugging plate (29) is arranged on each connecting block (31), the plugging plate (29) is detachably connected with each connecting block (31), and the second telescopic members (28) can drive the plugging plates (29) to be inserted into the collecting box (18).
4. The energy metering device embedded with the information safety management module according to claim 3, wherein two sides of the outer wall of the collecting box (18) are provided with strip-shaped openings communicated with the inside, and the plugging plate (29) can be inserted into the strip-shaped openings;
the end part of the connecting block (31) far away from the direction of the second telescopic piece (28) is provided with a containing groove, the inner wall of the containing groove is provided with a containing groove, a fourth elastic piece (26) and a clamping block (30) are arranged in the containing groove, the clamping block (30) can be pulled to retract into the containing groove by the tensile force generated by the fourth elastic piece (26), an air pipe (27) is further arranged in the second telescopic piece (28), and the air pipe (27) is communicated with the containing groove;
the surface of the plugging plate (29) is provided with a holding groove, and when the gas in the gas pipe (27) enters the placing groove, the gas can push the clamping block (30) to be inserted into the holding groove.
5. The energy metering internet of things system embedded with the information security management module 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 sensing control platform is the energy metering device of any one of claims 1 to 4, and transmits the acquired sensing information to the management platform through the sensing network platform;
the management platform comprises an energy management system, the energy management system performs 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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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190762A (en) * | 2009-02-19 | 2010-09-02 | Chiyoda Kako Kensetsu Kk | Sound attenuation evaluation device |
| CN103106744A (en) * | 2013-01-31 | 2013-05-15 | 成都秦川科技发展有限公司 | Internet of things intelligent gas meter embedded with information security management module |
| CN104197984A (en) * | 2014-08-21 | 2014-12-10 | 天信仪表集团有限公司 | Fuel gas energy metering method |
| WO2015075278A1 (en) * | 2015-03-05 | 2015-05-28 | Sensirion Ag | Determination of fluid parameters |
| CN208703340U (en) * | 2018-08-23 | 2019-04-05 | 宁波宏武管业有限公司 | A kind of fuel gas conduit |
| CN110671600A (en) * | 2019-09-19 | 2020-01-10 | 唐山学院 | BIM-based gas field station operation and maintenance management system |
| CN211786720U (en) * | 2019-11-26 | 2020-10-27 | 山东思达特测控设备有限公司 | Energy integrating module for natural gas energy metering device |
| RU2738501C1 (en) * | 2020-04-14 | 2020-12-14 | Николай Борисович Болотин | Downhole filter cleaning device |
| CN112414592A (en) * | 2020-11-19 | 2021-02-26 | 上海真兰仪表科技股份有限公司 | Gas energy metering flowmeter |
| CN112669170A (en) * | 2020-12-22 | 2021-04-16 | 广东奥飞数据科技股份有限公司 | Intelligent energy saving method and system |
| CN112946231A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Natural gas full-period energy metering system and method |
| CN112946232A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Natural gas energy metering data acquisition method and system |
| CN113572843A (en) * | 2021-07-26 | 2021-10-29 | 成都秦川物联网科技股份有限公司 | Gas data network external operation method and system based on energy metering |
| JP2021181079A (en) * | 2020-05-19 | 2021-11-25 | 杭州▲しん▼華信息科技有限公司 | Natural gas filter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030061091A1 (en) * | 2001-09-25 | 2003-03-27 | Amaratunga Mohan Mark | Systems and methods for making prediction on energy consumption of energy-consuming systems or sites |
| JP6459462B2 (en) * | 2014-12-11 | 2019-01-30 | 東京エレクトロン株式会社 | Leak determination method, substrate processing apparatus, and storage medium |
-
2022
- 2022-01-19 CN CN202210059676.2A patent/CN114414619B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010190762A (en) * | 2009-02-19 | 2010-09-02 | Chiyoda Kako Kensetsu Kk | Sound attenuation evaluation device |
| CN103106744A (en) * | 2013-01-31 | 2013-05-15 | 成都秦川科技发展有限公司 | Internet of things intelligent gas meter embedded with information security management module |
| CN104197984A (en) * | 2014-08-21 | 2014-12-10 | 天信仪表集团有限公司 | Fuel gas energy metering method |
| WO2015075278A1 (en) * | 2015-03-05 | 2015-05-28 | Sensirion Ag | Determination of fluid parameters |
| CN208703340U (en) * | 2018-08-23 | 2019-04-05 | 宁波宏武管业有限公司 | A kind of fuel gas conduit |
| CN110671600A (en) * | 2019-09-19 | 2020-01-10 | 唐山学院 | BIM-based gas field station operation and maintenance management system |
| CN211786720U (en) * | 2019-11-26 | 2020-10-27 | 山东思达特测控设备有限公司 | Energy integrating module for natural gas energy metering device |
| RU2738501C1 (en) * | 2020-04-14 | 2020-12-14 | Николай Борисович Болотин | Downhole filter cleaning device |
| JP2021181079A (en) * | 2020-05-19 | 2021-11-25 | 杭州▲しん▼華信息科技有限公司 | Natural gas filter |
| CN112414592A (en) * | 2020-11-19 | 2021-02-26 | 上海真兰仪表科技股份有限公司 | Gas energy metering flowmeter |
| CN112669170A (en) * | 2020-12-22 | 2021-04-16 | 广东奥飞数据科技股份有限公司 | Intelligent energy saving method and system |
| CN112946231A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Natural gas full-period energy metering system and method |
| CN112946232A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Natural gas energy metering data acquisition method and system |
| CN113572843A (en) * | 2021-07-26 | 2021-10-29 | 成都秦川物联网科技股份有限公司 | Gas data network external operation method and system based on energy metering |
Non-Patent Citations (1)
| Title |
|---|
| 陈忠，等.《天然气输送与城镇燃气》.中国石油大学出版社,2008,(第1版),第270-280页. * |
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