CN114542992A - Natural gas pipe network metering working condition remote monitoring system based on Internet of things - Google Patents
Natural gas pipe network metering working condition remote monitoring system based on Internet of things Download PDFInfo
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- CN114542992A CN114542992A CN202210172139.9A CN202210172139A CN114542992A CN 114542992 A CN114542992 A CN 114542992A CN 202210172139 A CN202210172139 A CN 202210172139A CN 114542992 A CN114542992 A CN 114542992A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a natural gas pipe network metering working condition remote monitoring system based on the Internet of things, which comprises an object platform, a sensing network platform, a management platform, a service platform and a user platform which are sequentially interacted, wherein the object platform comprises a temperature sensor and a pressure sensor which are arranged in a pipeline, and the temperature sensor and the pressure sensor upload the monitored natural gas information to the management platform through the sensing network platform; the management platform monitors and warns the acquired temperature and pressure information of the natural gas; the management platform receives user demand information through the service platform and the user platform, and issues a control instruction to the object platform through the sensing network platform. The system can detect the pressure and the temperature of the natural gas in the pipeline in real time, transmit the acquired information to the management platform in real time, and realize remote monitoring of the natural gas through the management platform.
Description
Technical Field
The invention relates to the technical field of natural gas metering, in particular to a natural gas pipe network metering working condition remote monitoring system based on the Internet of things.
Background
Natural gas refers to a combustible gas existing in nature, and is a fossil fuel, including gases formed by various natural processes in an atmospheric space, a water space and a rock space (including oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like). The definition of "natural gas" which has been common for a long time is a narrow definition from the energy point of view, and refers to a mixture of hydrocarbon and non-hydrocarbon gases which are naturally trapped in the formation.
At present, the function of the existing natural gas metering system is single, and the remote monitoring of the natural gas in the pipeline cannot be carried out.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a natural gas pipe network metering working condition remote monitoring system based on the Internet of things, which can detect the pressure and the temperature of natural gas in a pipeline in real time, transmit the acquired information to a management platform in real time and realize remote monitoring of the natural gas through the management platform.
The invention is realized by the following technical scheme:
the remote monitoring system for the metering working condition of the natural gas pipe network based on the Internet of things comprises an object platform, a sensing network platform, a management platform, a service platform and a user platform which are sequentially interacted, wherein the object platform comprises a temperature sensor and a pressure sensor which are arranged in a pipeline, and the temperature sensor and the pressure sensor upload the monitored natural gas information to the management platform through the sensing network platform; the management platform monitors and warns the acquired natural gas temperature and pressure information; the management platform receives user demand information through the service platform and the user platform, and issues a control instruction to the object platform through the sensing network platform.
Further, still be equipped with the dead lever on the pipeline inner wall, be equipped with first extensible member on the dead lever, first extensible member can be followed the axial of pipeline and stretched out and drawn back, and first extensible member still is equipped with the connector along the orientation that the interior natural gas of pipeline flows on serving, temperature sensor is fixed in on the connector.
Furthermore, a moving part and a fifth elastic part are further arranged inside the first telescopic part, the moving part penetrates through two ends of the first telescopic part along the axial direction of the first telescopic part, and the moving part can open or close two ends of the first telescopic part; and two ends of the fifth elastic piece are respectively connected with two ends of the interior of the first telescopic piece.
Further, the moving part includes second extensible member, first shutoff pole and second shutoff pole, and first shutoff pole and second shutoff pole of institute are located the both ends of second extensible member respectively, first extensible member is equipped with the through-hole with the connector link, second shutoff pole is located the through-hole, first shutoff pole is connected with the other end of first extensible member, and the axial displacement of first extensible member can be followed to second shutoff pole.
Further, the second extensible member is equipped with the sleeve towards the tip of second shutoff pole direction, sleeve and second extensible member fixed connection, and the muffjoint is on the second shutoff pole, the tip of second shutoff pole towards second extensible member direction be equipped with the inside intercommunication blind hole of second extensible member, still be equipped with on the outer wall of second shutoff pole with the first gas pocket and the second gas pocket of blind hole intercommunication, the interval between second gas pocket and the first gas pocket is greater than the length of through-hole.
Furthermore, a first groove is formed in the inner wall of the through hole of the first telescopic piece, and a first elastic piece and a positioning rod are arranged in the first groove; the outer wall of the second plugging rod is also provided with a positioning hole, and the first elastic piece can push the positioning rod to be inserted into the positioning hole; still be equipped with the carriage release lever in the blind hole of second shutoff pole, be equipped with the second recess on the outer wall of carriage release lever, be equipped with second elastic component and unblock pole in the second recess, the elasticity of second elastic component is greater than the elasticity of first elastic component, still be equipped with the passageway that internal diameter and unblock pole external diameter are unanimous in the second shutoff pole, passageway one end and locating hole intercommunication, the other end and blind hole intercommunication.
Furthermore, a third elastic piece is arranged on the inner bottom of the blind hole of the second plugging rod and is connected with the movable rod; the second plugging rod is also provided with a fourth elastic piece, the fourth elastic piece is sleeved on the second plugging rod, one end of the fourth elastic piece is connected with the outer wall of the second plugging rod, and the other end of the fourth elastic piece is connected with the inner wall, close to the connector, of the first telescopic piece; (ii) a Still be equipped with the first connecting hole of U type on the lateral wall of carriage release lever, the both ends of first connecting hole can be with first gas pocket and second gas pocket intercommunication.
Furthermore, the side wall of the connector is also provided with an exhaust hole which can be communicated with the second air hole; the connector is equipped with the holding tank with first extensible member through-hole intercommunication, second shutoff pole can insert to the holding tank in.
Furthermore, an air passage which is used for communicating two ends of the first plugging rod is arranged in the first plugging rod, and the air passage is communicated with the second telescopic piece; a support rod is further arranged in the air passage of the first plugging rod, a driving mechanism is arranged on the support rod, and a movable block with the outer diameter matched with the inner diameter of the air passage is arranged on an output shaft of the driving mechanism; still be equipped with third gas pocket and fourth gas pocket on the outer wall of first shutoff pole, still be equipped with the second connecting hole of U type on the movable block lateral wall, the second connecting hole can be with third gas pocket and fourth gas pocket intercommunication.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the temperature and pressure of a natural gas pipe network metering site can be monitored on site and uploaded in real time by the aid of the arranged temperature sensor and the pressure sensor, and the management platform can monitor and early warn the acquired temperature and pressure information according to a preset program, so that remote monitoring of natural gas is realized;
2. the temperature sensor can be driven to move in the pipeline by the aid of the arranged first telescopic piece, real-time monitoring of the temperature sensor on the natural gas temperature in different areas in the pipeline is achieved, and compared with a traditional mode that the temperature sensor is fixedly installed, the monitoring area of the temperature sensor is enlarged.
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 view of a temperature sensor of the present invention positioned within a pipeline;
FIG. 2 is a schematic view of the interior of the first telescoping member of the present invention;
FIG. 3 is a schematic view of the first telescoping member in another state of the invention;
FIG. 4 is a schematic view of the internal structure of the first occlusion rod of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is an enlarged view of the portion B of FIG. 3 according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-pipeline, 2-temperature sensor, 3-first telescopic element, 4-fixed rod, 5-movable element, 6-connector, 7-sleeve, 8-second telescopic element, 9-fifth elastic element, 10-first blocking rod, 11-accommodating groove, 12-fourth elastic element, 13-second blocking rod, 14-movable block, 15-second connecting hole, 16-output shaft, 17-fourth air hole, 18-unlocking rod, 19-first elastic element, 20-positioning rod, 21-third elastic element, 22-second elastic element, 23-movable rod, 24-air hole, 25-first connecting hole, 26-first air hole, 27-second air hole, 28-third air hole and 29-driving mechanism.
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.
Examples
As shown in fig. 1 to 6, the natural gas monitoring system comprises an object platform, a sensing network platform, a management platform, a service platform and a user platform which are sequentially interacted, wherein the object platform comprises a temperature sensor 2 and a pressure sensor which are arranged in a pipeline 1, and the temperature sensor 2 and the pressure sensor upload monitored natural gas information to the management platform through the sensing network platform; the management platform monitors and warns the acquired natural gas temperature and pressure information; the management platform receives user demand information through the service platform and the user platform, and issues a control instruction to the object platform through the sensing network platform.
Aiming at the problems that the energy metering system of natural gas in the prior art has single function and cannot remotely monitor the natural gas, the technical scheme is that the object platform is natural gas pipe network working condition sensing equipment which comprises a temperature sensor 2 and a pressure sensor which are arranged at different positions of a pipe 1, the temperature of the natural gas in the pipe 1 can be monitored in real time by using the arranged temperature sensor 2, the pressure of the natural gas in the pipe 1 can be monitored in real time by using the arranged pressure sensor, the information acquired by the temperature sensor 2 and the pressure sensor is uploaded to a management platform in real time by a sensing network platform, the acquired temperature and pressure information is monitored and early-warned by the management platform according to a preset program, so that the purpose of remotely monitoring the natural gas is achieved, and simultaneously, the management platform uploads user demand information through a service platform and a user platform, and issuing a related control instruction to the object platform through the sensing network platform.
Still be equipped with dead lever 4 on the 1 inner wall of pipeline, be equipped with first extensible member 3 on the dead lever 4, first extensible member 3 can be followed pipeline 1's axial and stretched out and drawn back, and first extensible member 3 still is equipped with connector 6 along the direction that the interior natural gas of pipeline 1 flows on serving, temperature sensor 2 is fixed in on the connector 6.
Because natural gas in the pipeline 1 is easily influenced by the outside, the natural gas temperatures at different positions in the pipeline 1 are different, therefore, in the conventional mode, different numbers of temperature sensors 2 are installed in the pipeline 1 at certain intervals to obtain the natural gas temperatures at different positions in the pipeline 1 in real time, but because a certain distance exists between every two adjacent temperature sensors 2, the conventional temperature sensors 2 cannot effectively obtain the natural gas temperature information at different positions in the pipeline 1 by adopting a fixed installation mode, therefore, the object platform of the technical scheme is also provided with a first telescopic part 3 for adjusting the position of the temperature sensor 2, the first telescopic part 3 is fixed on the inner wall of the pipeline 1 through a fixing rod 4, one end of the first telescopic part 3 is ensured to be fixed, and the other end can move along the flowing direction of the natural gas in the pipeline 1, thereby change the position of temperature sensor 2 in pipeline 1 to can measure the natural gas temperature of pipeline 1 interior different positions department, judge whether the natural gas temperature receives external influence and changes.
A moving part 5 and a fifth elastic part 9 are further arranged inside the first telescopic part 3, the moving part 5 penetrates through two ends of the first telescopic part 3 along the axial direction of the telescopic part 3, and the moving part 5 can open or close two ends of the first telescopic part 3; and two ends of the fifth elastic part 9 are respectively connected with two ends of the interior of the first telescopic part 3.
According to the technical scheme, the first telescopic piece 3 is a metal corrugated pipe, and can be axially stretched after being inflated, so that when the position of the temperature sensor 2 on the first telescopic piece 3 in the pipeline 1 needs to be changed, the tail end of the first telescopic piece 3 is opened through the arranged moving piece 5, natural gas in the pipeline 1 can enter the first telescopic piece 3 through the tail end of the first telescopic piece 3, the first telescopic piece 3 is inflated, the first telescopic piece 3 is forced to be stretched along the direction of the flow direction of the natural gas in the pipeline 1, the position of the temperature sensor 2 in the pipeline 1 is changed, and the temperature of the natural gas at different positions in the pipeline 1 is measured; and when the gas that lets in to first extensible member 3 was discharged when needs, the gas that recycles setting 5 in with first extensible member 3 was discharged, forces first extensible member 3 to contract backward, and then makes temperature sensor 2 round trip movement in the within range of predetermineeing, monitors the natural gas in this region in the pipeline 1.
The moving part 5 includes second extensible member 8, first shutoff pole 10 and second shutoff pole 13, and first shutoff pole 10 and second shutoff pole 13 are located the both ends of second extensible member 8 respectively, first extensible member 3 is equipped with the through-hole with 6 links of connector, second shutoff pole 13 is located the through-hole, first shutoff pole 10 is connected with the other end of first extensible member 3, and the axial displacement of first extensible member 3 can be followed to second shutoff pole 13.
The second expansion piece 8 is also a metal corrugated pipe, when the first expansion piece 3 is stretched or contracted, the second expansion piece 8 can expand and contract together, and the first plugging rod 10 and the second plugging rod 13 on the two ends of the second expansion piece 8 are ensured to keep synchronous motion; the arranged first blocking rod 10 is movably connected with the tail part of the first telescopic part 3, and the first blocking rod 10 can open or close the tail part of the first telescopic part 3, namely, whether natural gas in the pipeline 1 enters the first telescopic part 3 is controlled; and the second shutoff pole 13 that sets up can be to the opening or closing of first extensible member 3 head, and whether the natural gas that control promptly lets in to first extensible member 3 is discharged from first extensible member 3 in.
The tip of second extensible member 8 orientation second shutoff pole 13 direction is equipped with sleeve 7, sleeve 7 and second extensible member 8 fixed connection, and sleeve 7 cover is on second shutoff pole 13, second shutoff pole 13 is equipped with and communicates the blind hole with second extensible member 8 inside towards the tip of second extensible member 8 orientation, still be equipped with first gas pocket 26 and the second gas pocket 27 with the blind hole intercommunication on the outer wall of second shutoff pole 13, the interval between second gas pocket 27 and the first gas pocket 26 is greater than the length of through-hole.
The sleeve 7 that sets up is used for being connected with second shutoff pole 13, when the head that needs to utilize second shutoff pole 13 to open first extensible member 3, move second shutoff pole 13 towards connector 6 direction, force second gas pocket 27 on the second shutoff pole 13 to be located the outside of first extensible member 3, and first gas pocket 26 is then located first extensible member 3, at this moment, under the effect of first gas pocket 26 and second gas pocket 27, with the inside and the inside intercommunication of pipeline 1 of first extensible member 3, consequently, the gas that is located first extensible member 3 can flow into in pipeline 1 through looping through first gas pocket 26, second gas pocket 27.
A first groove is further formed in the inner wall of the through hole of the first telescopic piece 3, and a first elastic piece 19 and a positioning rod 20 are arranged in the first groove; a positioning hole is further formed in the outer wall of the second plugging rod 13, and the first elastic piece 19 can push the positioning rod 20 to be inserted into the positioning hole; still be equipped with the carriage release lever 23 in the blind hole of second shutoff pole 13, be equipped with the second recess on the outer wall of carriage release lever 23, be equipped with second elastic component 22 and unblock pole 18 in the second recess, the elasticity of second elastic component 22 is greater than the elasticity of first elastic component 19, still be equipped with the passageway that internal diameter and unblock pole 18 external diameter are unanimous in the second shutoff pole 13, passageway one end and locating hole intercommunication, the other end and blind hole intercommunication.
In order to ensure that the second blocking rod 13 positioned on the head of the first telescopic part 3 can move along with the first telescopic part 3 in the stretching process, so that the second blocking rod 13 is prevented from falling off from the first telescopic part 3, for this reason, the technical scheme is provided with a first elastic part 19 and a positioning rod 20, the positioning rod 20 is inserted into a positioning hole of the second blocking rod 13 by utilizing the elastic force generated by the first elastic part 19, the second air hole 27 is positioned in the first telescopic part 3, and the head of the first telescopic part 3 is in a blocking state at this moment; when the gas in the first telescopic member 3 needs to be discharged, the moving rod 23 in the blind hole is moved towards the inner bottom of the blind hole, when the unlocking rod 18 on the moving rod 23 moves to the passage of the second blocking rod 13, the unlocking rod 18 is pushed to be inserted into the passage under the action of the second elastic member 22, the positioning rod 20 in the positioning hole is pushed back into the first groove, the maximum displacement of the unlocking rod 18 is that the end part of the unlocking rod is flush with the outer wall of the second blocking rod 13, at this time, the constraint of the positioning rod 20 on the second blocking rod 13 is removed, and therefore the second blocking rod 13 can freely move at the head part of the first telescopic member 3.
A third elastic piece 21 is further arranged at the inner bottom of the blind hole of the second plugging rod 13, and the third elastic piece 21 is connected with a movable rod 23; the second blocking rod 13 is further provided with a fourth elastic part 12, the fourth elastic part 12 is sleeved on the second blocking rod 13, one end of the fourth elastic part 12 is connected with the outer wall of the second blocking rod 13, and the other end of the fourth elastic part 12 is connected with the inner wall, close to the connector 6, of the first telescopic part 3; the side wall of the moving rod 23 is further provided with a U-shaped first connection hole 25, and both ends of the first connection hole 25 can communicate the first air hole 26 with the second air hole 27.
The third elastic member 21 is arranged to connect the moving rod 23, and when the moving rod 23 moves towards the inner bottom of the blind hole to unlock the positioning rod 20, the moving rod 23 can compress the third elastic member 21, so that after the gas in the first telescopic member 3 is exhausted, the moving rod 23 can be pushed to move to the initial position again under the action of the third elastic member 21.
The fourth elastic component 12 that sets up is used for retraining second shutoff pole 13, and when second shutoff pole 13 stretched out outwards in first extensible member 3, fourth elastic component 12 was in compression state, consequently, when accomplishing the gas emission back in the first extensible member 3, under the effect of fourth elastic component 12, can promote second shutoff pole 13 and retract in first extensible member 3.
Since the positioning rod 20 is unlocked by moving the moving rod 23 in the blind hole, the moving rod 23 is provided with a first connecting hole 25 to ensure that the first air hole 26 and the second air hole 27 can be communicated when the second blocking rod 13 extends out of the first extensible member 3 after the positioning rod 20 is unlocked.
The side wall of the connector 6 is also provided with an exhaust hole 24 which can be communicated with the second air hole 27; the connector 6 is provided with an accommodating groove 11 communicated with the through hole of the first telescopic piece 3, and the second plugging rod 13 can be inserted into the accommodating groove 11.
The exhaust hole 24 that sets up is used for communicating with second gas pocket 27, and when second gas pocket 27 on second shutoff pole 13 moved to communicating with exhaust hole 24, the gas that is located first extensible member 3 loops through first gas pocket 26, second connecting hole 25, second gas pocket 27 in proper order, discharges to pipeline 1 through exhaust hole 24 in the end, still be provided with the check valve in the exhaust hole 24 for gas can discharge into pipeline 1 through exhaust hole 24 in to, and the gas in pipeline 1 can't enter into exhaust hole 24 through the check valve.
An air passage which is used for communicating two ends of the first plugging rod 10 is arranged in the first plugging rod 10, and the air passage is communicated with the second telescopic piece 8; a support rod 11 is further arranged in the air passage of the first blocking rod 10, a driving mechanism 29 is arranged on the support rod 11, and a movable block 14 with the outer diameter matched with the inner diameter of the air passage is arranged on an output shaft 16 of the driving mechanism 29; still be equipped with third gas pocket 28 and fourth gas pocket 17 on the outer wall of first shutoff pole 10, third gas pocket 28 is located first extensible member 3, fourth gas pocket 17 is located outside first extensible member 3, still be equipped with the second connecting hole 15 of U type on the movable block 14 lateral wall, second connecting hole 15 can be with third gas pocket 28 and fourth gas pocket 17 intercommunication.
In an initial state, the second connection hole 15 on the movable block 14 is dislocated with the fourth air hole 17 and the third air hole 28, that is, the second connection hole 15 is not communicated with the third air hole 28 and the fourth air hole 17, when the first extensible member 3 needs to be inflated, the management platform sends an instruction to the driving mechanism 29 through the sensing network platform, the driving mechanism 29 is a hydraulic cylinder, the driving mechanism 29 utilizes the output shaft 16 to drive the movable block 14 to move in the air passage of the first blocking rod 10, and the second connection hole 15 is communicated with the third air hole 28 and the fourth air hole 17, at this time, because the natural gas in the pipeline 1 is in a high-pressure state, the pressure of the natural gas is greater than the pressure in the first extensible member 3, the high-pressure natural gas in the pipeline 1 enters the first extensible member 3 through the fourth air hole 17 and the second connection hole 15, and finally enters the third air hole 28 to inflate the first extensible member 3, the head of the first telescopic member 3 provided with the temperature sensor 2 is forced to stretch in the pipeline 1, the position of the first telescopic member 3 is changed, after the first telescopic member 3 is at the maximum stretching amount, the driving mechanism 29 is used for driving the movable block 14 to disconnect the second connecting hole 15 from the third air hole 28 and the fourth air hole 17, and the third air hole 28 is in a state of being communicated with the air passage of the first blocking rod 10 at the moment, therefore, the air in the first telescopic member 3 enters the first blocking rod 10 through the third air hole 28, and then enters the blind hole of the second blocking rod 13 through the second telescopic member 8, the thrust is applied to the moving rod 23 in the blind hole, so that the moving rod 23 moves towards the inner bottom direction of the blind hole, the moving rod 23 realizes the unlocking of the positioning rod 20 in the moving process, and the first connecting hole 26 is communicated with the second air hole 27 through the first connecting hole 25, and second shutoff pole 13 moves at the head of first extensible member 3 under the effect of carriage release lever 23, finally realizes second gas pocket 27 and exhaust hole 24 intercommunication, finally makes the gas that lets in to first extensible member 3 discharge, has realized the back of contracting to first extensible member 3, moves back temperature sensor to initial position, and like this, the temperature sensor who sets up can carry out reciprocating motion in pipeline 1 within the scope of predetermineeing, monitors the natural gas temperature in this region.
In order to ensure that the first extensible member 3 can be extended normally, the management platform can issue an adjustment instruction of the pressure of the natural gas in the pipeline 1 to the object platform through the sensing network platform, and adjust the pressure of the natural gas in the pipeline 1, that is, when the first extensible member 3 needs to be expanded and stretched, the pressure of the natural gas in the pipeline 1 is adjusted, so that the pressure of the natural gas is greater than the elasticity of the fifth elastic member 9, the pressure in the pipeline 1 is easy to enter the first extensible member 3, and the first extensible member 3 is forced to be in a stretched state; and when the gas that will let in to first extensible member 3 is discharged when needs, reduce the natural gas pressure in the pipeline 1 for the inside atmospheric pressure of first extensible member 3 is greater than the inside gas of pipeline 1, like this, when third gas pocket 28 on first shutoff pole 10 and second extensible member 8 intercommunication, under the effect of fifth elastic component 9 pulling force, the first extensible member 3 of pulling is contract, force the gas that is located first extensible member 3 to enter into second extensible member 8 through third gas pocket 28, finally promote the normal removal of carriage release lever 23 and second shutoff pole 13, realized will letting in the purpose to the effective discharge of the gas in the first extensible member 3.
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 (9)
1. The remote monitoring system for the metering working condition of the natural gas pipe network based on the Internet of things comprises an object platform, a sensing network platform, a management platform, a service platform and a user platform which are sequentially interacted, and is characterized in that the object platform comprises a temperature sensor (2) and a pressure sensor which are arranged in a pipeline (1), and the temperature sensor (2) and the pressure sensor upload monitored natural gas information to the management platform through the sensing network platform; the management platform monitors and warns the acquired natural gas temperature and pressure information; the management platform receives user demand information through the service platform and the user platform, and issues a control instruction to the object platform through the sensing network platform.
2. The natural gas pipe network measuring working condition remote monitoring system based on the internet of things as claimed in claim 1, wherein a fixing rod (4) is further arranged on the inner wall of the pipeline (1), a first telescopic piece (3) is arranged on the fixing rod (4), the first telescopic piece (3) can stretch out and draw back along the axial direction of the pipeline (1), a connector (6) is further arranged on the first telescopic piece (3) along the flowing direction of natural gas in the pipeline (1), and the temperature sensor (2) is fixed on the connector (6).
3. The internet of things-based remote monitoring system for metering working conditions of a natural gas pipe network is characterized in that a moving member (5) and a fifth elastic member (9) are further arranged inside the first telescopic member (3), the moving member (5) axially penetrates through two ends of the first telescopic member (3) along the first telescopic member (3), and the moving member (5) can open or close two ends of the first telescopic member (3);
and two ends of the fifth elastic piece (9) are respectively connected with two ends of the interior of the first telescopic piece (3).
4. The natural gas pipe network metering working condition remote monitoring system based on the Internet of things according to claim 3, wherein the moving part (5) comprises a second telescopic piece (8), a first plugging rod (10) and a second plugging rod (13), the first plugging rod (10) and the second plugging rod (13) are respectively located at two ends of the second telescopic piece (8), a through hole is formed in the connecting end of the first telescopic piece (3) and the connecting head (6), the second plugging rod (13) is located in the through hole, the first plugging rod (10) is connected with the other end of the first telescopic piece (3), and the second plugging rod (13) can move axially along the first telescopic piece (3).
5. The natural gas pipe network metering working condition remote monitoring system based on the Internet of things is characterized in that a sleeve (7) is arranged at the end part, facing the direction of the second plugging rod (13), of the second telescopic piece (8), the sleeve (7) is fixedly connected with the second telescopic piece (8), the sleeve (7) is sleeved on the second plugging rod (13), a blind hole communicated with the inside of the second telescopic piece (8) is formed in the end part, facing the direction of the second telescopic piece (8), of the second plugging rod (13), a first air hole (26) and a second air hole (27) communicated with the blind hole are further formed in the outer wall of the second plugging rod (13), and the distance between the second air hole (27) and the first air hole (26) is larger than the length of the through hole.
6. The internet of things-based remote monitoring system for the metering working condition of the natural gas pipe network is characterized in that a first groove is further formed in the inner wall of the through hole of the first telescopic piece (3), and a first elastic piece (19) and a positioning rod (20) are arranged in the first groove;
the outer wall of the second plugging rod (13) is also provided with a positioning hole, and the first elastic piece (19) can push the positioning rod (20) to be inserted into the positioning hole;
still be equipped with carriage release lever (23) in the blind hole of second shutoff pole (13), be equipped with the second recess on the outer wall of carriage release lever (23), be equipped with second elastic component (22) and unblock pole (18) in the second recess, the elasticity of second elastic component (22) is greater than the elasticity of first elastic component (19), still be equipped with the passageway that internal diameter and unblock pole (18) external diameter are unanimous in second shutoff pole (13), passageway one end and locating hole intercommunication, the other end and blind hole intercommunication.
7. The internet of things-based remote monitoring system for the metering working condition of a natural gas pipe network is characterized in that a third elastic piece (21) is further arranged at the inner bottom of the blind hole of the second blocking rod (13), and the third elastic piece (21) is connected with the moving rod (23);
a fourth elastic piece (12) is further arranged on the second plugging rod (13), the fourth elastic piece (12) is sleeved on the second plugging rod (13), one end of the fourth elastic piece (12) is connected with the outer wall of the second plugging rod (13), and the other end of the fourth elastic piece (12) is connected with the inner wall, close to the connector (6), of the first telescopic piece (3);
the side wall of the moving rod (23) is also provided with a U-shaped first connecting hole (25), and the two ends of the first connecting hole (25) can communicate the first air hole (26) with the second air hole (27).
8. The internet of things-based remote monitoring system for the metering working condition of the natural gas pipe network is characterized in that an exhaust hole (24) capable of being communicated with a second air hole (27) is further formed in the side wall of the connector (6);
connector (6) are equipped with holding tank (11) with first extensible member (3) through-hole intercommunication, second shutoff pole (13) can insert to holding tank (11) in.
9. The natural gas pipe network measuring working condition remote monitoring system based on the internet of things of claim 5, wherein an air passage for communicating two ends of the first blocking rod (10) is arranged inside the first blocking rod (10), and the air passage is communicated with the second telescopic piece (8);
a support rod (11) is further arranged in the air passage of the first blocking rod (10), a driving mechanism (29) is arranged on the support rod (11), and a movable block (14) with the outer diameter matched with the inner diameter of the air passage is arranged on an output shaft (16) of the driving mechanism (29);
still be equipped with third gas pocket (28) and fourth gas pocket (17) on the outer wall of first shutoff pole (10), third gas pocket (28) are located first extensible member (3), fourth gas pocket (17) are located outside first extensible member (3), still be equipped with second connecting hole (15) of U type on movable block (14) lateral wall, second connecting hole (15) can be with third gas pocket (28) and fourth gas pocket (17) intercommunication.
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