CN107559596B - Pipeline gas flow velocity detection device and gas pipeline overhauling system - Google Patents
Pipeline gas flow velocity detection device and gas pipeline overhauling system Download PDFInfo
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- CN107559596B CN107559596B CN201710968705.6A CN201710968705A CN107559596B CN 107559596 B CN107559596 B CN 107559596B CN 201710968705 A CN201710968705 A CN 201710968705A CN 107559596 B CN107559596 B CN 107559596B
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Abstract
The invention provides a pipeline gas flow rate detection device and a gas pipeline overhauling system, and relates to the technical field of gas pipeline overhauling. Compared with the prior art, the pipeline gas flow velocity detection device provided by the invention can detect the inflow of gas in the gas pipeline by using the handheld detector, so that the blocking condition of the gas pipeline is judged, and the pipeline gas flow velocity detection device is very convenient.
Description
Technical Field
The invention relates to the technical field of gas pipeline overhaul, in particular to a pipeline gas flow rate detection device and a gas pipeline overhaul system.
Background
With the continuous deepening of the urban process, the gas transmission pipeline becomes one of the indispensable infrastructures in the city, and the gas transmission pipeline is often blocked or burst due to the change of stratum conditions or the extrusion of surface buildings, so that no small trouble is brought to the life of people.
In the prior art, when a gas transmission pipeline is blocked, a blocking point can be found only by excavating the gas transmission pipeline in a sectional way, and the inventor researches show that the method can cause great damage to the ground surface and waste a great amount of manpower and material resources, so that the method is very troublesome.
In view of the above, it is important to design and manufacture a pipeline gas flow rate detection device capable of detecting the blocking condition of a gas pipeline by detecting the gas flow rate of the gas pipeline.
Disclosure of Invention
The invention aims to provide a pipeline gas flow rate detection device which can conveniently detect the flow rate of gas in a gas pipeline so as to judge whether the gas pipeline is blocked.
The invention further aims to provide a gas pipeline overhauling system which can ensure safe transportation of fuel gas and solve the problem of blockage in time.
The invention is realized by adopting the following technical scheme.
The utility model provides a pipeline gas flow rate detection device for detect the velocity of flow of gas in the gas transmission pipeline, pipeline gas flow rate detection device includes handheld detector and magnet turbine mechanism, and magnet turbine mechanism is used for with the gas transmission pipeline intercommunication and sends electromagnetic signal to handheld detector under the drive of gas, and handheld detector sets up alone, is used for gathering electromagnetic signal.
Further, the magnet turbine mechanism comprises a magnetic impeller, a fluid director support and a containing body, wherein the containing body is used for being communicated with a gas transmission pipeline so that gas passes through the containing body, the fluid director support is fixedly connected to the inner wall of the containing body, the magnetic impeller is rotationally connected to the fluid director support, and the magnetic impeller can be driven by the gas to rotate and generate electromagnetic signals.
Further, the magnetic impeller comprises a plurality of magnets, a plurality of blades, a rotating shaft and a bearing, wherein the rotating shaft is rotationally connected to the guide body support through the bearing, the blades are fixedly connected to the outer peripheral surface of the rotating shaft and used for rotating under the driving of gas, and the magnets are respectively connected to the blades.
Further, the blades are symmetrically arranged in pairs, the number of the magnets is two, and the two magnets are fixedly connected to the two symmetrical blades respectively and are far away from the rotating shaft.
Further, the guide body support comprises a front support body and a rear support body, the front support body and the rear support body are arranged at intervals to form a containing cavity, and the magnetic impeller is contained in the containing cavity and is respectively connected with the front support body and the rear support body in a rotating mode.
Further, the magnet turbine mechanism further comprises a mounting assembly, the mounting assembly comprises a first heating welding piece, a second heating welding piece, a first electrode and a second electrode, the first heating welding piece is connected to one end of the accommodating body, the second heating welding piece is connected to the other end of the accommodating body and is electrically connected with the first heating welding piece, the first electrode and the second electrode are both connected to the accommodating body, the first electrode is electrically connected with the first heating welding piece, and the second electrode is electrically connected with the second heating welding piece.
Further, the first heating welding piece and the second heating welding piece are all electric melting welding wires, so that welding with a gas pipeline is facilitated.
Further, the handheld detector comprises a detecting head, a containing shell, a processor, a handheld rod and a display screen, wherein the processor is contained in the containing shell, the display screen is connected to the top of the containing shell and electrically connected with the processor, the detecting head is fixedly connected to the bottom of the containing shell and electrically connected with the processor and used for collecting electromagnetic signals and transmitting the electromagnetic signals to the processor, and the handheld rod is fixedly connected to the side wall of the containing shell.
Further, the detecting head comprises a detecting column, a sensor and a signal amplifier, wherein the sensor and the signal amplifier are both accommodated in the detecting column, and the sensor is electrically connected with the signal amplifier and used for collecting electromagnetic signals and transmitting the electromagnetic signals to the signal amplifier, and the signal amplifier is electrically connected with the processor and used for amplifying the electromagnetic signals and transmitting the electromagnetic signals to the processor.
The utility model provides a gas transmission pipeline overhauls system, includes gas transmission pipeline, voltage regulator and pipeline gas flow rate detection device, and pipeline gas flow rate detection device includes handheld detector and magnet turbine mechanism, and magnet turbine mechanism is used for with gas transmission pipeline intercommunication and sends electromagnetic signal to handheld detector under gaseous drive, and handheld detector sets up alone for gather electromagnetic signal. The pressure regulator is connected with the gas pipeline and used for regulating the gas pressure of the gas pipeline, the number of the magnet turbine mechanisms is multiple, and the magnet turbine mechanisms are uniformly distributed on the gas pipeline.
The invention has the following beneficial effects:
according to the pipeline gas flow velocity detection device provided by the invention, the magnet turbine mechanism is communicated with the gas pipeline, so that gas in the gas pipeline passes through the magnet turbine mechanism, the magnet turbine mechanism can send electromagnetic signals to the handheld detector under the drive of the gas, and the handheld detector is independently arranged. In the actual use process, the handheld detector is moved along the gas transmission pipeline, when the handheld detector is moved to the gas transmission pipeline section where the magnet turbine mechanism is located, the electromagnetic signals generated by the magnet turbine mechanism are collected by the handheld detector and analyzed, so that the gas flow rate of the gas transmission pipeline section where the magnet turbine mechanism is located is judged, and the blocking condition of the gas transmission pipeline is judged according to the gas flow rate. Compared with the prior art, the pipeline gas flow velocity detection device provided by the invention can detect the inflow of gas in the gas pipeline by using the handheld detector, so that the blocking condition of the gas pipeline is judged, and the pipeline gas flow velocity detection device is very convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure of a gas pipeline inspection system according to an embodiment of the present invention;
FIG. 2 is a schematic view of the magnet turbine mechanism of FIG. 1 from a first perspective;
FIG. 3 is a schematic view of the magnet turbine mechanism of FIG. 1 from a second perspective;
FIG. 4 is a schematic diagram of the handheld detector of FIG. 1;
figure 5 is a block diagram of the connection of the detector head of figure 4 to a processor.
Icon: 10-a gas pipeline overhaul system; 100-a pipeline gas flow rate detection device; 110-a handheld detector; a 111-probe; 1111-a sensor; 1113-a signal amplifier; 113-a housing shell; 115-a processor; 117-a hand-held wand; 119-displaying a screen; 130-a magnet turbine mechanism; 131-magnetic impeller; 1311-magnets; 1313-leaf; 1315-spindle; 1317-a load bearing; 133-a baffle holder; 1331-a front frame; 1333-post-holder; 135-an accommodating body; 137-mounting assembly; 1371-first heat weld; 1373-second heat weld; 1375-a first electrode; 1377-a second electrode; 200-gas transmission pipelines; 300-voltage regulator.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1 (arrows indicate gas flow directions), the present embodiment provides a gas line inspection system 10 including a gas line 200, a pressure regulator 300, and a line gas flow rate detection device 100. The pressure regulator 300 is connected to the gas line 200 for regulating the gas pressure of the gas line 200, and the line gas flow rate detecting device 100 is connected to the gas line 200 for detecting the flow rate of the gas in the gas line 200.
Specifically, the pipeline gas flow rate detection device 100 is configured to detect a flow rate of gas in the gas pipeline 200, so that an maintainer can determine a blocking condition of the gas pipeline 200 according to the flow rate of the gas, the pipeline gas flow rate detection device 100 includes a handheld detector 110 and a magnet turbine mechanism 130, the magnet turbine mechanism 130 is configured to communicate with the gas pipeline 200 and send an electromagnetic signal to the handheld detector 110 under the driving of the gas, and the handheld detector 110 is separately configured to collect the electromagnetic signal. Specifically, the number of magnet turbomachines 130 is plural, and the plurality of magnet turbomachines 130 are distributed at different positions of the gas pipeline 200.
When the gas flow rate in the gas pipeline 200 needs to be collected, the handheld detector 110 is moved along the gas pipeline 200, and when the handheld detector 110 moves to the gas pipeline 200 section where the magnet turbine mechanism 130 is located, the handheld detector 110 is used for collecting electromagnetic signals sent by the magnet turbine mechanism 130, and judging the gas flow rate in the gas pipeline 200 section and whether the gas supply is normal or not according to the electromagnetic signals.
In this embodiment, the gas pipeline 200 is a PE polymer engineering plastic pipeline, and is connected to the magnet turbine mechanism 130 by welding. Of course, the present invention is not limited thereto, and the gas line 200 may be made of other types of materials, such as stainless steel pipe or copper pipe, and the like, and is not particularly limited thereto.
Referring to fig. 2 to 3, the magnet turbine mechanism 130 includes a magnetic impeller 131, a fluid director support 133, a containing body 135, and a mounting assembly 137, wherein the containing body 135 is used for communicating with the gas pipeline 200, so that gas passes through the containing body 135, the fluid director support 133 is fixedly connected to an inner wall of the containing body 135, the magnetic impeller 131 is rotatably connected to the fluid director support 133, and the magnetic impeller 131 can rotate under the driving of the gas and generate electromagnetic signals. The mounting assemblies 137 are connected to both ends of the receiving body 135 for connecting the receiving body 135 and the gas line 200.
The magnetic impeller 131 includes a plurality of magnets 1311, a plurality of blades 1313, a rotating shaft 1315, and a bearing 1317, the rotating shaft 1315 is rotatably connected to the fluid carrier 133 through the bearing 1317, the plurality of blades 1313 are fixedly connected to an outer circumferential surface of the rotating shaft 1315, and are used for rotating under the driving of gas, and the plurality of magnets 1311 are respectively connected to the plurality of blades 1313.
In this embodiment, the plurality of blades 1313 are symmetrically disposed in pairs, the number of the magnets 1311 is two, and the two magnets 1311 are respectively fixedly connected to two of the symmetrical blades 1313 and disposed away from the rotating shaft 1315. Preferably, the number of the blades 1313 is 4, and the 4 blades 1313 are distributed in a cross shape on the outer circumferential surface of the rotating shaft 1315.
In this embodiment, the fluid guide support 133 includes a front frame 1331 and a rear frame 1333, where the front frame 1331 and the rear frame 1333 are disposed at intervals to form a containing cavity, and the magnetic impeller 131 is contained in the containing cavity and is respectively rotatably connected to the front frame 1331 and the rear frame 1333.
The mounting assembly 137 includes a first heat welding member 1371, a second heat welding member 1373, a first electrode 1375 and a second electrode 1377, wherein the first heat welding member 1371 is connected to one end of the accommodating body 135, the second heat welding member 1373 is connected to the other end of the accommodating body 135 and electrically connected to the first heat welding member 1371, the first electrode 1375 and the second electrode 1377 are both connected to the accommodating body 135, the first electrode 1375 is electrically connected to the first heat welding member 1371, and the second electrode 1377 is electrically connected to the second heat welding member 1373.
In this embodiment, the first heating welding member 1371 and the second heating welding member 1373 are electric welding wires, so as to be convenient for welding with the gas pipeline 200.
Specifically, when the electric welding wire is installed, the electric welding wire is electrified through the first motor and the second electrode 1377, so that a large amount of heat is emitted by the electric welding wire, and then the end of the gas pipeline 200 is sleeved at one end of the accommodating body 135, so that the accommodating body 135 and the gas pipeline 200 are fused into a whole.
It should be noted that, the connection between the housing 135 and the gas pipe 200 is not limited to welding, and other connection methods, such as interference fit, flange connection, etc., are also possible, and all connection methods that can connect the housing 135 and the gas pipe 200 together and ensure air tightness are within the scope of the present invention.
Referring to fig. 4 to 5 in combination, the handheld detector 110 includes a probe 111, a housing case 113, a processor 115, a handheld lever 117, and a display screen 119, wherein the processor 115 is housed in the housing case 113, the display screen 119 is connected to the top of the housing case 113 and electrically connected to the processor 115, the probe 111 is fixedly connected to the bottom of the housing and electrically connected to the processor 115, and is used for collecting electromagnetic signals and transmitting the electromagnetic signals to the processor 115, and the handheld lever 117 is fixedly connected to the side wall of the housing case 113.
In this embodiment, the display 119 is an LED display 119 for displaying data detected by the detector head 111.
The probe 111 includes a probe column (not numbered), a sensor 1111 and a signal amplifier 1113, both the sensor 1111 and the signal amplifier 1113 are accommodated in the probe column, and the sensor 1111 is electrically connected to the signal amplifier 1113 for collecting electromagnetic signals and transmitting the electromagnetic signals to the signal amplifier 1113, and the signal amplifier 1113 is electrically connected to the processor 115 for amplifying the electromagnetic signals and transmitting the electromagnetic signals to the processor 115.
In the present embodiment, an LC oscillation circuit is provided on the circuit between the sensor 1111 and the signal amplifier 1113, and a frequency meter circuit and a matrix circuit are provided on the processor 115. After detecting electromagnetic signals, the sensor 1111 enters a signal amplifier 1113 through an LC oscillation circuit for secondary amplification, and then performs preset signal processing through a frequency meter circuit. Finally, the matrix circuit pushes the LED display screen 119 to display the numerical value of the electromagnetic signal to be tested. Thereby determining the flow rate of the gas in the pipe and determining whether the section of gas line 200 is operating properly.
In summary, in the gas pipeline inspection system 10 provided in the present embodiment, the plurality of magnet 1311 turbines are installed at different positions of the gas pipeline 200, and when the gas flow rate in the gas pipeline 200 needs to be measured, the handheld detector 110 is moved along the gas pipeline 200 to collect electromagnetic signals sent by the magnet 1311 turbines at different positions, so as to determine the gas flow rates at different positions. The specific working principle is as follows: when gas in the gas pipeline 200 flows through the magnet 1311 vortex machine, the blades 1313 are driven to rotate, the magnet 1311 on the blades 1313 rotates along with the rotation and generates electromagnetic signals, the electromagnetic signals sent by the magnet 1311 vortex machine at different positions are collected by the detection head 111 of the handheld detector 110, and the gas flow rates in the gas pipeline 200 at different positions are obtained through analysis. When the flow rate in the gas pipeline 200 is normal, it is indicated that the gas pipeline 200 of the adjacent section is not blocked, and the gas pipeline 200 is operated normally. When the flow rate in the gas line 200 is abnormal, it is explained that the blocking phenomenon occurs in the gas line 200 of the adjacent section, and the position of the blocking point can be determined according to the degree of the abnormal flow rate. When the handheld detector 110 cannot collect the electromagnetic signal, it indicates that the section of the gas pipeline 200 is completely blocked, and emergency repair is required. Compared with the prior art, the gas transmission pipeline overhaul system 10 provided by the invention can be used for timely checking abnormal positions of gas transmission, does not need to be excavated for checking all over, saves a large amount of manpower and material resources, is simple to operate, and is definitely a great help for normal transportation of fuel gas.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The pipeline gas flow rate detection device is used for detecting the flow rate of gas in a gas pipeline and is characterized by comprising a handheld detector and a magnet turbine mechanism, wherein the magnet turbine mechanism is used for being communicated with the gas pipeline and sending electromagnetic signals to the handheld detector under the driving of the gas, and the handheld detector is independently arranged and used for collecting the electromagnetic signals;
the magnet turbine mechanism comprises a magnetic impeller, a fluid director bracket and a containing body, wherein the containing body is used for being communicated with the gas transmission pipeline so that the gas passes through the containing body, the fluid director bracket is fixedly connected to the inner wall of the containing body, the magnetic impeller is rotationally connected to the fluid director bracket, and the magnetic impeller can rotate under the drive of the gas and generate the electromagnetic signal;
the handheld detector comprises a detecting head, a containing shell, a processor, a handheld rod and a display screen, wherein the processor is contained in the containing shell, the display screen is connected to the top of the containing shell and is electrically connected with the processor, the detecting head is fixedly connected to the bottom of the containing shell and is electrically connected with the processor, and the detecting head is used for collecting electromagnetic signals and transmitting the electromagnetic signals to the processor, and the handheld rod is fixedly connected to the side wall of the containing shell;
the detector head comprises a detection column, a sensor and a signal amplifier, wherein the sensor and the signal amplifier are both accommodated in the detection column, the sensor is electrically connected with the signal amplifier and used for collecting electromagnetic signals and transmitting the electromagnetic signals to the signal amplifier, and the signal amplifier is electrically connected with the processor and used for amplifying the electromagnetic signals and transmitting the electromagnetic signals to the processor.
2. The apparatus according to claim 1, wherein the magnetic impeller comprises a plurality of magnets, a plurality of blades, a rotating shaft and a bearing, the rotating shaft is rotatably connected to the guide body support through the bearing, the plurality of blades are fixedly connected to the outer peripheral surface of the rotating shaft, and are used for rotating under the driving of the gas, and the plurality of magnets are respectively connected to the plurality of blades.
3. The device for detecting the flow rate of gas in a pipeline according to claim 2, wherein a plurality of the blades are symmetrically arranged in pairs, the number of the magnets is two, and the two magnets are fixedly connected to two of the blades which are symmetrically arranged and are far away from the rotating shaft.
4. The apparatus according to claim 1, wherein the fluid-guiding body support comprises a front frame and a rear frame, the front frame and the rear frame are arranged at intervals to form a containing cavity, and the magnetic impeller is contained in the containing cavity and is respectively connected with the front frame and the rear frame in a rotating manner.
5. The device of claim 1, wherein the magnet turbine mechanism further comprises a mounting assembly comprising a first heat weld, a second heat weld, a first electrode, and a second electrode, the first heat weld being connected to one end of the housing, the second heat weld being connected to the other end of the housing and electrically connected to the first heat weld, the first electrode and the second electrode both being connected to the housing, and the first electrode and the first heat weld being electrically connected, and the second electrode and the second heat weld being electrically connected.
6. The device of claim 5, wherein the first and second heated weldments are both electro-fusion welding wires.
7. A gas pipeline overhauling system, which is characterized by comprising a gas pipeline, a pressure regulator and a pipeline gas flow rate detection device according to any one of claims 1-6, wherein the pressure regulator is connected with the gas pipeline and is used for regulating the gas pressure of the gas pipeline, a plurality of magnet turbine mechanisms are arranged, and the magnet turbine mechanisms are uniformly distributed on the gas pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710968705.6A CN107559596B (en) | 2017-10-18 | 2017-10-18 | Pipeline gas flow velocity detection device and gas pipeline overhauling system |
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| CN201710968705.6A CN107559596B (en) | 2017-10-18 | 2017-10-18 | Pipeline gas flow velocity detection device and gas pipeline overhauling system |
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| CN107559596B true CN107559596B (en) | 2023-08-08 |
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| CN109290656B (en) * | 2018-12-05 | 2020-11-20 | 南通理工学院 | Torch baking equipment for ship steel structure |
| CN111308122B (en) * | 2019-12-06 | 2022-02-25 | 云南师范大学 | Gas flow velocity detector and system based on boron-doped silicon quantum dots |
| CN111603810B (en) * | 2020-05-18 | 2021-12-03 | 泰州环扬环保设备工程有限公司 | Scum dewatering system for scum scraper |
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