CN209819238U - Underground gas valve well intelligent monitoring and early warning device - Google Patents
Underground gas valve well intelligent monitoring and early warning device Download PDFInfo
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- CN209819238U CN209819238U CN201920696011.6U CN201920696011U CN209819238U CN 209819238 U CN209819238 U CN 209819238U CN 201920696011 U CN201920696011 U CN 201920696011U CN 209819238 U CN209819238 U CN 209819238U
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Abstract
An intelligent monitoring and early warning device for an underground gas valve well. The utility model belongs to the gas valve control early warning field especially relates to an underground gas valve well intelligent monitoring early warning device, to monitoring early warning device among the prior art valve well arouse the metal corrosion because of moist, makes the mechanical strength of part descend, and the influence performance makes the problem that the product can not reliably work, the technical scheme of the utility model: the methane concentration monitoring and early warning device comprises a shell, be provided with the monitoring and early warning device of methane concentration in the casing, the casing below is provided with the several through-hole, the shape and the well lid phase-match of casing, the sub-unit connection of the side of casing has the sealing washer, the shape of sealing washer is the ring slice, the interior edge and the casing of sealing washer match each other. The underground gas valve well can be protected from water and dry environment, and the monitoring and early warning device can work normally.
Description
Technical Field
The utility model belongs to gas valve control early warning field especially relates to an underground gas valve well intelligent monitoring early warning device.
Background
The valve well is a valve of an underground pipeline and an underground pipeline, a pit similar to a small room is arranged for opening and closing part of pipe network operation or maintenance operation, the valve and the like are arranged in the pit, the pipeline is convenient to regularly check, clean and dredge, a pivot for preventing the pipeline from being blocked is formed, and the pit is called as the valve well. The traditional valve inspection well is divided into a brick valve well and a reinforced concrete valve well, the shape of the traditional valve inspection well is usually circular or square, and the connection mode of a pipeline and a well body is usually rigid connection.
At present, a natural gas leakage monitoring system is generally installed in a valve well to implement all-directional monitoring, so that the early warning and emergency forecasting processing capacity of the leakage of the whole underground gas valve well is improved.
In the prior art, the monitoring and early warning device of the underground gas valve can cause metal corrosion due to moisture, when metal is in a humid environment, a layer of water film can be formed on the surface of the metal, the water film dissolves carbon dioxide, hydrogen sulfide, carbon oxide and soluble salts contained in air to form an electrolyte solution film, and after metal parts are corroded, the surfaces of the parts are damaged, the mechanical strength of the parts is reduced, the performance is influenced, and the product cannot work reliably.
SUMMERY OF THE UTILITY MODEL
Monitor early warning device causes the metal corrosion because of the humidity among the prior art valve well, makes the mechanical strength of part descend, influences the performance, makes the problem that the product can not reliable work, the utility model aims to:
the utility model provides an underground gas valve well intelligent monitoring early warning device can let reach waterproof and dry environment in the underground gas valve well, makes the work that monitoring early warning device can be normal.
The utility model adopts the technical scheme as follows:
the utility model provides an underground gas valve well intelligent monitoring early warning device, includes the casing, be provided with the monitoring early warning device of methane concentration in the casing, the casing below is provided with the several through-hole, the shape and the well lid phase-match of casing, the sub-unit connection of the side of casing has the sealing washer, the shape of sealing washer is the ring slice, the interior edge and the casing of sealing washer match each other.
By adopting the scheme, the monitoring and early warning device is arranged in the shell and can prevent the corrosion of moisture to metal, the service life of each part is prolonged, and a plurality of through holes are arranged below the shell to enable leaked gas to enter the shell, so that the early warning effect is achieved. The casing lower part is inlayed by the interior edge of sealing washer, and through the extrusion of sealing washer to the valve well inner wall, can reach the sealed effect of sealing washer and valve well, can completely cut off the entering of liquid. The radius of sealing washer is far greater than the radius of casing, also is greater than the radius of valve well cross section simultaneously, when casing and sealing washer are covered into the valve well together, the sealing washer takes place to deform under the extrusion at valve well edge to cover the side of casing, and cover the side of the marginal cover well lid of well lid back sealing washer down, played like this and carried out the effect sealed completely to the holistic side that casing and well lid are constituteed, better isolated the entering of liquid and prevented the production of humid environment.
Wherein, the monitoring and early warning device of methane concentration includes: the methane concentration monitoring and early warning device comprises a methane concentration sensor, a signal amplifier, an analog-to-digital converter and a single chip microcomputer, wherein the methane concentration monitoring and early warning device is connected with the outside through a cable.
The underground pipeline and the valve well are sealed through a sealing plate, and the cable and the gas pipeline penetrate through the sealing plate and are communicated with the underground pipeline.
By adopting the scheme, the cable and the gas pipeline need to be communicated with the outside through the underground pipeline, and the cable needs to be introduced into the outside from the underground, so that the situation that the sealing is not strict, moisture or liquid enters the valve well from the underground pipeline can be caused, and the liquid can be prevented from entering through the sealing of the sealant.
The valve well is characterized in that a condensation bin is arranged on the sealing plate on the inner wall of the valve well, a wire mesh is arranged in the condensation bin, a water outlet is formed in the condensation bin, and the cable and the gas pipeline penetrate through the condensation bin.
The scheme is adopted, the underground temperature is increased along with the increase of the depth, but the valve well is communicated with the outside, namely the temperature in the valve well is close to the normal temperature of the outside, but the underground pipeline is contacted with the underground soil, namely the temperature of the underground soil is close to the temperature in the underground pipeline, the temperature difference is formed between the inside of the valve well and the underground pipeline, water vapor which is led to the valve well from the underground pipeline firstly enters the condensation bin, and as the temperature of the condensation bin is close to the temperature in the valve well and is lower than the temperature in the underground pipeline, the water vapor is condensed on the wire netting after entering the condensation bin and then is discharged to the outside of the valve well through the water outlet, so that the effects of preventing liquid from entering and preventing the generation of.
Wherein, be provided with fixed storehouse on the casing, fixed storehouse passes through bolted connection in well lid below.
Having adopted this scheme, having fixed the casing in the well lid below through the bolt, can having made methane concentration sensor arrange a relatively high position in, because the gas is mostly constituteed by methane, and the density of methane is less than the air, and methane can be to the top gathering of well when the gas leaks, and the methane concentration sensor sets up the top in the well and can detect the leakage condition the very first time, has avoided the explosion that piles up of methane and cause.
Wherein, the surface of the through hole is covered with a hydrophobic film.
By adopting the scheme, the hydrophobic film covers the surface of the through hole, so that the purposes of water resistance and dust resistance can be achieved inside the shell, and the service life of an electronic device inside the shell is prolonged.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the monitoring and early warning device is arranged in the shell and can prevent moisture from corroding metal, the service life of each part is prolonged, the edge part of the sealing ring stops at the inlet of the valve well, the edge of the sealing ring of the well cover under the cover is also contacted with the well cover, the whole sealing effect is achieved, and the liquid is better isolated from entering and the generation of a moisture environment is prevented.
2. Fix the casing in the well lid below through the bolt, can make methane concentration sensor arrange a relatively high position in, because the gas is mostly constituteed by methane, and the density of methane is less than the air, and methane can be to the top gathering of well when the gas leaks, and the methane concentration sensor sets up the top in the well and can detect the leakage condition the very first time, has avoided the explosion that the piling up of methane caused.
3. Because the cable and the gas pipeline need to be communicated with the outside through the underground pipeline, and the cable needs to be led into the outside from the underground, moisture or liquid can enter the valve well from the underground pipeline due to the fact that sealing is not strict, and the liquid can be prevented from entering the valve well through sealing with the sealant.
4. The temperature of the condensation bin is the same as that in the valve well and is lower than that in the underground pipeline, water vapor is condensed on the wire netting after entering the condensation bin and then is discharged through the water outlet, and the effects of preventing liquid from entering and preventing a damp environment are achieved.
5. The hydrophobic film covers the surface of the through hole, so that the purposes of water resistance and dust resistance can be achieved inside the shell, and the service life of an electronic device inside the shell is prolonged.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of an underground gas valve well.
Fig. 2 is a schematic diagram of an intelligent monitoring and early warning device for an underground gas valve well.
FIG. 3 is a schematic representation of a cross-section of an underground pipe.
The following are marked in the figure: the methane concentration monitoring device comprises a shell 1, a methane concentration sensor 2, a signal amplifier 3, an analog-to-digital converter 4, a single chip microcomputer 5, a through hole 6, a bolt 7, a sealing ring 8, a cable 9, a sealing plate 10, a gas pipeline 11, a condensation bin 12, a wire netting 13, a bulge 14, an underground pipeline 15 and a water outlet 16.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 and 2.
The utility model provides an underground gas valve well intelligent monitoring early warning device, a serial communication port, includes casing 1, be provided with the monitoring early warning device of methane concentration in the casing 1, 1 below of casing is provided with several through-hole 6, the shape and the well lid phase-match of casing 1, the sub-unit connection of the side of casing 1 has sealing washer 8, sealing washer 8's shape is the ring slice, 8 interior edges of sealing washer and casing 1 match each other.
Preferably, the monitoring and early warning device for methane concentration includes: the methane concentration monitoring and early warning device comprises a methane concentration sensor 2, a signal amplifier 3, an analog-to-digital converter 4 and a single chip microcomputer 5, wherein the methane concentration monitoring and early warning device is connected with the outside through a cable 9.
Preferably, the underground pipeline sealing device further comprises a valve well and an underground pipeline 15, wherein the junction of the underground pipeline 15 and the valve well is sealed through a sealing plate 10, and the cable 9 and the gas pipeline 11 penetrate through the sealing plate 10 and are communicated with the underground pipeline 15.
Preferably, a condensation bin 12 is arranged on the sealing plate 10 on the inner wall of the valve well, a wire mesh 13 is arranged in the condensation bin 12, a water outlet 16 is arranged on the condensation bin 12, and the cable 9 and the gas pipeline 11 penetrate through the condensation bin 12.
Preferably, be provided with fixed storehouse on the casing 1, fixed storehouse passes through bolt 7 and connects in the well lid below.
Preferably, the surface of the through hole 6 is covered with a hydrophobic film.
When the methane concentration sensor 2 works, the concentration probe of the methane concentration sensor is placed in the gas valve well. The methane concentration sensor 2 will send out methane concentration data in the form of an analog signal. The output end of the methane concentration sensor 2 is electrically connected with a signal amplifier 3, the signal amplifier 3 is used for amplifying an analog signal of the methane concentration sensor 2, the output end of the signal amplifier 3 is electrically connected with an analog-to-digital converter 4, the analog-to-digital converter 4 is used for performing analog-to-digital conversion on an input signal and sending a digital signal obtained by the analog-to-digital conversion outwards, and when the single chip microcomputer 5 receives the signal, the single chip microcomputer 5 can send coded data outwards, which belongs to the prior art.
Because the monitoring and early warning device in the valve well and the monitoring and early warning device can not flow in liquid or exist in a humid environment, the monitoring and early warning device is arranged in the shell 1, the through hole 6 is arranged below the shell 1 to facilitate the detection of leaked gas, the upper part of the shell 1 is fixed below the well cover through the bolt 7, so that the methane concentration sensor 2 is arranged at the top part in the valve well, the condition can be found at the first time after the leakage accident occurs, the explosion caused by the accumulation of methane is avoided, the lower part of the shell 1 is connected with the sealing ring 8, the sealing ring 8 is in a ring sheet shape, the lower part of the shell 1 is connected with the inner part of the sealing ring 8, the edge of the sealing ring 8 after the well cover is covered is upwards extruded by the edge of the valve well, the bulge 14 is arranged in the valve well, when the well cover falls onto the bulge 14, the length of the sealing ring 8, the sealing effect is improved. Valve well and 15 handing-over departments of underground piping are sealed through sealed glue 10, and cable 9 runs through closing plate 10 with gas pipeline 11, and is provided with condensation storehouse 12 on the closing plate 10 in the valve well, be provided with wire netting 13 in the condensation storehouse 12, be provided with outlet 16 on the condensation storehouse 12, because the temperature in the underground piping 11 is the same with the temperature of secret earth, is higher than the temperature in the valve well, and the condensation storehouse 12 is advanced to the time of the vapor admission valve well in the underground piping 11, and the condensation takes place for wire netting 13 in the vapor meet, and the water of condensation goes out through outlet 16 and discharges outside the valve well, has played waterproof, damp-proof effect.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The utility model provides an underground gas valve well intelligent monitoring early warning device, a serial communication port, includes casing (1), be provided with the monitoring early warning device of methane concentration in casing (1), casing (1) below is provided with several through-hole (6), the shape and the well lid phase-match of casing (1), the sub-unit connection of the side of casing (1) has sealing washer (8), the shape of sealing washer (8) is the ring slice, the interior edge and casing (1) of sealing washer (8) match each other.
2. The intelligent monitoring and early warning device for the underground gas valve well as claimed in claim 1, wherein the monitoring and early warning device for the methane concentration comprises: the methane concentration monitoring and early warning device comprises a methane concentration sensor (2), a signal amplifier (3), an analog-to-digital converter (4) and a single chip microcomputer (5), wherein the methane concentration monitoring and early warning device is connected with the outside through a cable (9).
3. The intelligent monitoring and early warning device for the underground gas valve well is characterized by further comprising a valve well and an underground pipeline (15), wherein the joint of the underground pipeline (15) and the valve well is sealed through a sealing plate (10), and the cable (9) and the gas pipeline (11) penetrate through the sealing plate (10) and lead to the underground pipeline (15).
4. The intelligent monitoring and early warning device for the underground gas valve well according to claim 3, wherein a condensation bin (12) is arranged on a sealing plate (10) of the inner wall of the valve well, a wire mesh (13) is arranged in the condensation bin (12), a water outlet (16) is arranged on the condensation bin (12), and the cable (9) and the gas pipeline (11) penetrate through the condensation bin (12).
5. The intelligent monitoring and early warning device for the underground gas valve well is characterized in that a fixed bin is arranged on the shell (1), and the fixed bin is connected below the well cover through a bolt (7).
6. The intelligent monitoring and early warning device for the underground gas valve well is characterized in that the surface of the through hole (6) is covered with a hydrophobic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696011.6U CN209819238U (en) | 2019-05-15 | 2019-05-15 | Underground gas valve well intelligent monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920696011.6U CN209819238U (en) | 2019-05-15 | 2019-05-15 | Underground gas valve well intelligent monitoring and early warning device |
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| Publication Number | Publication Date |
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| CN209819238U true CN209819238U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920696011.6U Active CN209819238U (en) | 2019-05-15 | 2019-05-15 | Underground gas valve well intelligent monitoring and early warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188998A (en) * | 2020-02-18 | 2020-05-22 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
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2019
- 2019-05-15 CN CN201920696011.6U patent/CN209819238U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188998A (en) * | 2020-02-18 | 2020-05-22 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
| CN111188998B (en) * | 2020-02-18 | 2022-01-14 | 西安石油大学 | Oil real-time monitoring equipment with a plurality of installation position supports |
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