CN223807044U - A monitoring device for urban gas pipeline networks - Google Patents
A monitoring device for urban gas pipeline networksInfo
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- CN223807044U CN223807044U CN202520723200.3U CN202520723200U CN223807044U CN 223807044 U CN223807044 U CN 223807044U CN 202520723200 U CN202520723200 U CN 202520723200U CN 223807044 U CN223807044 U CN 223807044U
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- elastic sealing
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Abstract
本实用新型公开了一种城镇燃气管网监测装置，包括：燃气监测仪表；两个半圆形管，两个半圆形管相互靠近的一侧后部转动安装，燃气监测仪表固定安装在上方的半圆形管顶部，其监测端延伸至上方的半圆形管内，燃气监测仪表用于对泄漏的燃气进行监测。本实用新型通过一系列结构的设置，能够将燃气管道的连接处包裹在密封空间内进行直接监测，在燃气管道的连接处发生泄漏时，直接进入到密封空间内，不会飘散到外部环境中，进而可有效的降低受外部环境影响监测的情况，且通过向四个半圆形中空弹性密封套内供气使其膨胀对燃气管道进行密封包裹的方式，使得能够适用于与不同直径的燃气管道密封，提高适用范围。
This utility model discloses a monitoring device for urban gas pipeline networks, comprising: a gas monitoring instrument; two semi-circular tubes, the rear of which are rotatably installed on one side close to each other; the gas monitoring instrument is fixedly installed on the top of the upper semi-circular tube, with its monitoring end extending into the upper semi-circular tube; the gas monitoring instrument is used to monitor leaked gas. Through a series of structural designs, this utility model can directly monitor the connection of the gas pipeline within a sealed space. When a leak occurs at the connection of the gas pipeline, the gas directly enters the sealed space and will not disperse into the external environment, thus effectively reducing the impact of external environmental factors on monitoring. Furthermore, by supplying gas to the four semi-circular hollow elastic sealing sleeves to expand and seal the gas pipeline, it can be used to seal gas pipelines of different diameters, expanding its applicability.
Description
Technical Field
The utility model relates to the technical field of town gas pipe network monitoring equipment, in particular to a town gas pipe network monitoring device.
Background
With the rapid development of cities, the buildings are increased, so that new challenges are brought to the detection of the urban gas pipe network, the safety of the gas pipe network is directly related to the life and property safety of people, the stability of society is also related, the national and related departments must pay high attention to the safety problem of the urban gas pipe network, and the supervision and management of the urban gas pipe network are enhanced;
In the prior art, a person holds a gas monitoring instrument to monitor whether the gas leakage occurs at the joint of the gas pipeline or not, and the monitoring mode is influenced by the external environment, so that the monitoring accuracy is low, and when a small amount of gas leakage occurs at the joint of the gas pipeline, the gas is scattered into the external environment and is difficult to monitor.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a town gas pipe network monitoring device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a town gas pipe network monitoring device, comprising:
A gas monitoring instrument;
The gas monitoring instrument is fixedly arranged at the top of the semicircular pipe above, the monitoring end of the gas monitoring instrument extends into the semicircular pipe above, the gas monitoring instrument is used for monitoring leaked gas, and the monitoring principle of the gas monitoring instrument is the prior art and is not specifically described herein;
The fixing mechanism is fixedly arranged at the front sides of the two semicircular pipes and is used for fixing the two semicircular pipes;
The four semicircular hollow elastic sealing sleeves are respectively adhered and fixed in the corresponding semicircular pipes, and the gas pipeline is sealed and wrapped through the four semicircular hollow elastic sealing sleeves;
Two communicating transverse pipes, two ends of which are respectively communicated and fixed with one sides of the corresponding two semicircular hollow elastic sealing sleeves which are opposite left and right and are close to each other, and the communication between the two semicircular hollow elastic sealing sleeves which are opposite left and right is realized through the communicating transverse pipes;
The pressure sensor is fixedly arranged at the left side of the top of the semicircular pipe above, the monitoring end of the pressure sensor extends into the semicircular hollow elastic sealing sleeve above left, the pressure sensor is used for monitoring the pressure condition in the semicircular hollow elastic sealing sleeve above left, and the monitoring principle is the prior art and is not specifically described herein;
The air supply and air extraction mechanism is fixedly arranged at the top of the semicircular pipe above and communicated and fixed with the semicircular hollow elastic sealing sleeve above right, and is used for supplying air into the semicircular hollow elastic sealing sleeve and sucking air in the semicircular hollow elastic sealing sleeve;
the communication mechanism is communicated with the rear parts of the right sides of the two semicircular hollow elastic sealing sleeves which are fixed on the right sides, and the communication between the two semicircular hollow elastic sealing sleeves on the right sides is realized through the communication mechanism;
The PLC is electrically connected with the air supply and extraction mechanism and the pressure sensor, and receives the pressure value transmitted by the pressure sensor to control the air supply and extraction mechanism, and the control principle is the prior art and is not described herein.
Preferably, the air supply and air extraction mechanism comprises an air pump fixedly connected with the top of the semicircular pipe above, the air pump is electrically connected with the PLC, the extraction end and the discharge end of the air pump are communicated and fixed with a three-way pipe, the right end of the three-way pipe is communicated and fixed with a first electromagnetic valve, one ends of the two three-way pipes, which are far away from each other, are communicated and fixed with a second electromagnetic valve, the end part of the second electromagnetic valve below is communicated with the inside of the semicircular hollow elastic sealing sleeve above right, the right end of the first electromagnetic valve below is communicated and fixed with an exhaust pipe, the right end of the first electromagnetic valve above is communicated and fixed with a U-shaped pipe, and the left bottom end of the U-shaped pipe is communicated and fixed with the right top of the semicircular hollow elastic sealing sleeve above.
Preferably, the fixing mechanism comprises two fixing blocks, the rear sides of the two fixing blocks are fixedly connected with the front sides of the corresponding semicircular pipes respectively, bolt holes are formed in the tops of the fixing blocks, the same T-shaped fixing bolts are sleeved in the two bolt holes in a threaded mode, and the two semicircular pipes are fixed through the T-shaped fixing bolts and the two fixing blocks.
Preferably, the communication mechanism comprises two L-shaped pipes, the two L-shaped pipes are respectively communicated and fixed with the right sides and the rear sides of the two semicircular hollow elastic sealing sleeves on the right sides, one ends of the two L-shaped pipes, which are close to each other, are communicated and fixed with the same telescopic hose, and the telescopic characteristic of the telescopic hose is utilized to provide a rotating distance for the semicircular pipes.
Preferably, the top of the semicircular pipe positioned above is provided with a mounting groove with an opening on the right side, and the discharge end of the air pump, the tee pipe positioned below and the second electromagnetic valve are positioned in the mounting groove.
Preferably, the blast pipe is located the front side of U-shaped pipe, and the top fixedly connected with battery of semicircle pipe of top, battery and PLC controller, pressure sensor, gas monitoring instrument and air pump electric connection, and the battery is PLC controller, pressure sensor, gas monitoring instrument and air pump and supplies power, and PLC controller fixed connection is at the battery top.
Preferably, the same hinge is fixed on the rear side threads of the two semicircular pipes, the two semicircular pipes are rotatably installed through the hinge, sealing gaskets are fixedly adhered to the front side of the top of the semicircular pipe below and the rear side of the top of the semicircular pipe below, and the top of each sealing gasket is in tight contact with the bottom of the semicircular pipe above.
Compared with the prior art, the utility model has the beneficial effects that:
1. The semicircular pipe is matched with the semicircular hollow elastic sealing sleeve, the joint of the gas pipeline can be wrapped in the sealing space, when leakage occurs at the joint of the gas pipeline, gas enters the sealing space and cannot float into the external environment, the gas monitoring instrument can directly monitor the gas, and the condition of monitoring affected by the external environment can be effectively reduced;
2. The gas supply and extraction mechanism is matched with the communication mechanism, the gas pipeline can be sealed and wrapped by supplying gas into the four semicircular hollow elastic sealing sleeves to expand the gas pipeline, the gas is sucked to remove the wrapping after monitoring, and the gas pipeline with different diameters can be sealed by the expansion wrapping mode, so that the application range is improved;
According to the utility model, through a series of structural arrangements, the joint of the gas pipeline can be wrapped in the sealing space for direct monitoring, when leakage occurs at the joint of the gas pipeline, the gas pipeline directly enters the sealing space and cannot float into the external environment, so that the condition of monitoring affected by the external environment can be effectively reduced, and the gas pipeline is sealed and wrapped by expanding the gas pipeline by supplying air into the four semicircular hollow elastic sealing sleeves, so that the gas pipeline sealing device can be suitable for sealing gas pipelines with different diameters, and the application range is improved.
Drawings
FIG. 1 is a schematic diagram of a town gas pipe network monitoring device according to the present utility model;
FIG. 2 is a schematic diagram of a schematic cross-sectional front view of a town gas pipe network monitoring apparatus according to the present utility model;
fig. 3 is an enlarged schematic view of the portion a in fig. 2.
In the figure, 1, a semicircular pipe; 2, a semicircular hollow elastic sealing sleeve, 3, a fuel gas monitoring instrument, 4, a pressure sensor, 5, a PLC controller, 6, a communicating transverse pipe, 7, an L-shaped pipe, 8, a telescopic hose, 9, an air pump, 10, a three-way pipe, 11, a mounting groove, 12, a second electromagnetic valve, 13, a first electromagnetic valve, 14, a U-shaped pipe, 15, an exhaust pipe, 16, a fixed block and 17, a T-shaped fixed bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a town gas pipe network monitoring apparatus, comprising:
A gas monitoring instrument 3;
The two semicircular pipes 1 are rotatably mounted at the rear part of one side, close to each other, of each semicircular pipe 1, wherein the same hinge is fixedly arranged at the rear side of each semicircular pipe 1 in a threaded manner, the two semicircular pipes 1 are rotatably mounted through the hinge, sealing gaskets are fixedly adhered to the front side and the rear side of the top of the semicircular pipe 1 positioned below, the top of each sealing gasket is tightly contacted with the bottom of the semicircular pipe 1 above, and sealing when the two semicircular pipes 1 are in contact closing is realized through the sealing gaskets;
The gas monitoring instrument 3 is fixedly arranged at the top of the upper semicircular pipe 1, the monitoring end of the gas monitoring instrument extends into the upper semicircular pipe 1, the inner wall of the top of the upper semicircular pipe 1 is provided with a mounting hole for mounting the gas monitoring instrument 3, the gas monitoring instrument 3 is used for monitoring leaked gas, and the monitoring principle is the prior art and is not specifically described herein;
The fixing mechanism is fixedly arranged on the front sides of the two semicircular pipes 1 and comprises two fixing blocks 16, wherein the rear sides of the two fixing blocks 16 are fixedly connected with the front sides of the corresponding semicircular pipes 1 respectively, bolt holes are formed in the tops of the fixing blocks 16, the same T-shaped fixing bolt 17 is sleeved in the two bolt holes in a threaded manner, and the two semicircular pipes 1 are fixed by matching the T-shaped fixing bolt 17 with the two fixing blocks 16;
The four semicircular hollow elastic sealing sleeves 2 are respectively adhered and fixed in the corresponding semicircular pipes 1, and the gas pipeline is sealed and wrapped through the four semicircular hollow elastic sealing sleeves 2;
two communicating transverse pipes 6, two ends of which are respectively communicated and fixed with one sides of the corresponding two semicircular hollow elastic sealing sleeves 2 which are opposite left and right and are close to each other, and the communication between the two semicircular hollow elastic sealing sleeves 2 which are opposite left and right is realized through the communicating transverse pipes 6;
The pressure sensor 4 is fixedly arranged at the left side of the top of the semicircular pipe 1 at the upper part, the monitoring end of the pressure sensor 4 extends into the semicircular hollow elastic sealing sleeve 2 at the upper left part, the pressure sensor 4 is used for monitoring the pressure condition in the semicircular hollow elastic sealing sleeve 2 at the upper left part, and the monitoring principle is the prior art and is not specifically described herein;
The air supply and air extraction mechanism is fixedly arranged at the top of the upper semicircular pipe 1 and communicated and fixed with the upper right semicircular hollow elastic sealing sleeve 2, the air supply and air extraction mechanism comprises an air pump 9 fixedly connected with the top of the upper semicircular pipe 1, the extraction end and the discharge end of the air pump 9 are communicated and fixed with a three-way pipe 10, the right end of the three-way pipe 10 is communicated and fixed with a first electromagnetic valve 13, one ends, far away from each other, of the two three-way pipes 10 are communicated and fixed with a second electromagnetic valve 12, the end part of the lower second electromagnetic valve 12 is communicated and fixed with the inside of the upper right semicircular hollow elastic sealing sleeve 2, the right end of the lower first electromagnetic valve 13 is communicated and fixed with an exhaust pipe 15, the left bottom end of the upper first electromagnetic valve 13 is communicated and fixed with the right top of the upper semicircular hollow elastic sealing sleeve 2, the top of the upper semicircular pipe 1 is provided with an installation groove 11 with an opening on the right side, the discharge end of the air pump 9, the lower three-way pipe 10 and the second electromagnetic valve 12 are all located in the installation groove 11, and the exhaust pipe 15 is located at the front side of the U pipe 14;
The communication mechanism is communicated and fixed at the right rear part of the right side of the two semicircular hollow elastic sealing sleeves 2 and comprises two L-shaped pipes 7, the two L-shaped pipes 7 are respectively communicated and fixed with the right rear parts of the right side of the two semicircular hollow elastic sealing sleeves 2, one ends, close to each other, of the two L-shaped pipes 7 are communicated and fixed with the same telescopic hose 8, and the telescopic characteristics of the telescopic hose 8 are utilized to provide rotating distances for the semicircular pipes 1;
The PLC controller 5 is electrically connected with the air pump 9 and the pressure sensor 4, and the PLC controller 5 receives the pressure value transmitted by the pressure sensor 4 to control the air supply and extraction mechanism, wherein the control principle is the prior art and is not described herein;
The utility model can wrap the junction of the gas pipeline in the sealed space to monitor directly through the arrangement of a series of structures, when the junction of the gas pipeline leaks, the gas pipeline directly enters the sealed space, the gas pipeline cannot drift into the external environment, and thus the condition of monitoring affected by the external environment can be effectively reduced, and the gas pipeline can be sealed and wrapped by the way of expanding the gas pipeline by supplying gas into the four semicircular hollow elastic sealing sleeves 2.
Working principle: when in use, when monitoring the connection of the gas pipeline, the pressure value of the gas pump 9 is set by the PLC controller 5, the T-shaped fixing bolt 17 is reversely rotated, the T-shaped fixing bolt 17 is rotated to be separated from the two fixing blocks 16, the front sides of the two semicircular pipes 1 are released from being fixed, the upper semicircular pipe 1 is rotated upwards, the whole device is sleeved on the external gas pipeline, the connection of the gas pipeline is positioned between the two semicircular hollow elastic sealing sleeves 2 which are opposite left and right, the upper semicircular pipe 1 is rotated downwards, the two semicircular pipes 1 are mutually fixed by the forward rotation T-shaped fixing bolt 17 to the two bolt holes, the gas pump 9 and the second electromagnetic valve 12 are opened, the air pump 9 extracts the external air through the upper second electromagnetic valve 12, the extracted air enters the upper right semicircular hollow elastic sealing sleeve 2 through the lower second electromagnetic valve 12, a part of the air in the upper right semicircular hollow elastic sealing sleeve 2 enters the upper communicating transverse pipe 6 and the upper L-shaped pipe 7, the air in the upper communicating transverse pipe 6 enters the upper left semicircular hollow elastic sealing sleeve 2, the air in the upper L-shaped pipe 7 enters the lower right semicircular hollow elastic sealing sleeve 2 through the telescopic hose 8 and the lower L-shaped pipe 7, the air in the lower right semicircular hollow elastic sealing sleeve 2 enters the lower left semicircular hollow elastic sealing sleeve 2 through the lower communicating transverse pipe 6, and the four semicircular hollow elastic sealing sleeves 2 are filled with the air and expand gradually along with the air, the inner side of the semicircular hollow elastic sealing sleeve 2 is gradually and tightly contacted with a gas pipeline when being expanded, meanwhile, the pressure sensor 4 monitors the air pressure in the semicircular hollow elastic sealing sleeve 2 at the left upper side, the monitored pressure value is transmitted to the PLC 5, when the monitored pressure value reaches a preset value, the PLC 5 controls the air pump 9 to be closed, at the moment, the outer sides of the gas pipeline are sealed and wrapped through the four expanded semicircular hollow elastic sealing sleeves 2, the connecting parts of the gas pipeline are positioned in a sealing space formed by the two semicircular pipes 1 and the four semicircular hollow elastic sealing sleeves 2, the monitoring end of the gas monitoring instrument 3 is positioned in the sealing space, when leakage occurs at the connecting parts of the gas pipeline, the gas of the gas monitoring instrument enters the sealing space and does not float in the external environment, the gas monitoring instrument 3 can be directly monitored, the condition of being affected by the external environment can be effectively reduced, the monitoring accuracy is improved, and the sealing mode with the gas pipeline is realized by the semicircular hollow elastic sealing sleeve 2 in an inflation mode, and the application range is applicable to sealing with the gas pipeline with different diameters;
After monitoring, two second electromagnetic valves 12 are closed and two first electromagnetic valves 13 are opened, the extraction end of the air pump 9 extracts the air in the semicircular hollow elastic sealing sleeve 2 at the upper right through the first electromagnetic valve 13 at the upper part and the U-shaped pipe 14, the extracted air is sequentially discharged to the outside through the discharge end of the air pump 9, the three-way pipe 10 at the lower part and the exhaust pipe 15, the air in the semicircular hollow elastic sealing sleeve 2 at the left side enters the semicircular hollow elastic sealing sleeve 2 at the right side through the corresponding communicating transverse pipe 6 respectively along with the extraction force, the air in the semicircular hollow elastic sealing sleeve 2 at the lower right side sequentially enters the semicircular hollow elastic sealing sleeve 2 at the upper right through the L-shaped pipe 7 at the lower part, the telescopic hose 8 and the L-shaped pipe 7 at the upper part and is extracted and discharged, the semicircular hollow elastic sealing sleeve 2 gradually contracts along with the discharge of the air, the inner diameter of the semicircular hollow elastic sealing sleeve 2 is increased and separated from a gas pipeline, meanwhile, the pressure sensor 4 monitors the air pressure in the semicircular hollow elastic sealing sleeve 2 at the upper left side, when the air pressure value of the air is monitored to be lower than a preset value, the air pump controller 5 controls the air to be closed, the air in the semicircular elastic sealing sleeve 2 at the left side, the air pump is separated from the semicircular sealing sleeve 2 by the corresponding to the T-shaped sealing sleeve 1 at the lower T, and the air pump is fixed in a mode, and the semicircular sealing sleeve 1 can be separated from the semicircular sealing sleeve 1 in a corresponding mode, and the air bolt can be rotated in a mode.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520723200.3U CN223807044U (en) | 2025-04-17 | 2025-04-17 | A monitoring device for urban gas pipeline networks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520723200.3U CN223807044U (en) | 2025-04-17 | 2025-04-17 | A monitoring device for urban gas pipeline networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223807044U true CN223807044U (en) | 2026-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520723200.3U Active CN223807044U (en) | 2025-04-17 | 2025-04-17 | A monitoring device for urban gas pipeline networks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223807044U (en) |
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2025
- 2025-04-17 CN CN202520723200.3U patent/CN223807044U/en active Active
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