CN209540528U - Micro- leakage monitoring device of gas pipeline - Google Patents
Micro- leakage monitoring device of gas pipeline Download PDFInfo
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- CN209540528U CN209540528U CN201920237039.3U CN201920237039U CN209540528U CN 209540528 U CN209540528 U CN 209540528U CN 201920237039 U CN201920237039 U CN 201920237039U CN 209540528 U CN209540528 U CN 209540528U
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- gas pipeline
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Abstract
The utility model discloses a kind of micro- leakage monitoring devices of gas pipeline, including the shell being coated on the outside of the pipeline of monitoring point, the shell includes upper housing and lower case, it is equipped with sealing shroud between the upper housing and the lower case, cavity is equipped in the upper housing, is equipped with central through hole in the cavity, gas sensor is equipped in the central through hole, the gas sensor front and rear ends are respectively equipped with support frame, and signal transmitter is equipped between support frame top, is equipped with upper cover at the top of the upper housing；The utility model is fixed on the interface of pipeline, can real-time monitoring or periodic detection gas pipeline interface sealing situation, and detection data is sent to by SIM card signal transmitter by background server, to carry out next step disposition, the utility model is additionally provided with burglar alarm, when someone dismantles the device, corresponding data are simultaneously passed to background server so that attendant prevents by the capable of emitting alarm of the device, reduce the stolen risk of device.
Description
Technical field
The utility model belongs to micro- leakage monitoring dress of gas monitor apparatus technical field more particularly to a kind of gas pipeline
It sets.
Background technique
Existing gas pipeline, a part are laid with overlong time, since the sinking of pipeline or ground is mobile, vibration, pressure
The factors such as variation, sealing material aging, fastener pretightning force deficiency, which will lead to interface, different degrees of leakage.It is especially micro-
Small leakage, since leakage rate is slow, instantaneous leak amount is small, and existing handheld device can not all detect, if cannot be timely
It was found that minute leakage and adopt an effective measure, once leakage expands, it is possible to and it causes personnel's poisoning, fire even to have and explodes
Danger.Whether the mode of general manually regular brush suds inspection leaks at pipe joint at present to detect, gas company
Huge human and material resources and financial resources are consumed in terms of micro- leak detection of pipe joint.
Utility model content
In view of the deficiencies of the prior art, the utility model will solve the subproblem in background technique.
To solve the above-mentioned problems, the utility model provides a kind of micro- leakage monitoring device of gas pipeline, including cladding
Shell on the outside of the pipeline of monitoring point, the shell includes upper housing and lower case, between the upper housing and the lower case
Equipped with sealing shroud, it is equipped with cavity in the upper housing, central through hole is equipped in the cavity, is equipped with air-sensitive in the central through hole
Sensor, the gas sensor front and rear ends are respectively equipped with support frame, and signal transmitter is equipped between support frame top, described
Upper cover is equipped at the top of upper housing.
In some embodiments, the upper housing is respectively equipped with long spiro nail through-hole, institute by the both sides of the edge of middle line of pipeline
It states and is equipped with long spiro nail in long spiro nail through-hole, the lower shell surface is equipped with threaded hole corresponding with the long spiro nail through-hole.
In some embodiments, the sealing shroud is in cylindrical sleeve tubular, and cylindrical sleeve tubular two sides are equipped with rectangle side
Edge, the rectangle edge are equipped with sealing through-hole corresponding with the long spiro nail through-hole, and the sealing shroud includes upper sleeve gasket
And lower sleeve gasket, the upper sleeve gasket are bonded the upper housing, the lower sleeve gasket is bonded the lower case.
In some embodiments, the long spiro nail through-hole includes eight, wherein four are arranged in the quadrangle of the upper housing,
Four additional is symmetricly set on using pipeline as in the cavity of middle line two sides.
In some embodiments, fixation hole is equipped with around the central through hole, the gas sensor quadrangle passes through screw
The fixation hole is connected, sealing ring is equipped between the gas sensor and the central through hole.
In some embodiments, the quadrangle of the upper cover is equipped with corner apertures, and the corner apertures is correspondingly arranged at upper housing quadrangle
Long screw hole, the upper cover through-hole screw are connect with the upper housing.
In some embodiments, the front end of the upper housing is equipped with groove, is equipped with warning device in the groove.
By adopting the above-described technical solution, compared with prior art, the utility model is fixed on the interface of pipeline,
Can real-time monitoring or periodic detection gas pipeline interface sealing situation, and detection data is sent out by SIM card signal transmitter
It send to background server, to carry out next step disposition.The utility model is additionally provided with burglar alarm, when someone is to the device
When being dismantled, corresponding data are simultaneously passed to background server so that attendant prevents by the capable of emitting alarm of the device,
Reduce the stolen risk of device.
Detailed description of the invention:
Fig. 1 is the configuration schematic diagram of micro- leakage monitoring device of the utility model gas pipeline；
Fig. 2 is the cross-sectional view of micro- leakage monitoring device of the utility model gas pipeline；
Fig. 3 is the Section A-A figure of micro- leakage monitoring device cross-sectional view of the utility model gas pipeline；
Fig. 4 is the section B-B figure of micro- leakage monitoring device cross-sectional view of the utility model gas pipeline.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be noted that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Embodiment 1: as shown in Figures 1 to 4, present embodiments providing a kind of micro- leakage monitoring device of gas pipeline, including
The shell being coated on the outside of the pipeline of monitoring point, shell include upper housing 1 and lower case 2, are equipped between upper housing and lower case close
Big envelope 3, upper housing is interior to be equipped with cavity 4, central through hole 5 is equipped in cavity, central through hole is interior equipped with gas sensor 6, and air-sensitive passes
Sensor front and rear ends are respectively equipped with support frame 7, and signal transmitter 8 is equipped between support frame top, is equipped with upper cover 9 at the top of upper housing.
In some embodiments of the present embodiment, upper housing is respectively equipped with long spiro nail by the both sides of the edge of middle line of pipeline
Through-hole 11, long spiro nail through-hole is interior to be equipped with long spiro nail 12, and lower shell surface is equipped with threaded hole 21 corresponding with long spiro nail through-hole.
In some embodiments of the present embodiment, sealing shroud is in cylindrical sleeve tubular, and cylindrical sleeve tubular two sides are equipped with rectangular
Shape edge 31, rectangle edge are equipped with sealing through-hole 32 corresponding with long spiro nail through-hole, and sealing shroud includes 33 He of upper sleeve gasket
Lower sleeve gasket 34, upper sleeve gasket are bonded upper housing, and lower sleeve gasket is bonded lower case.
In some embodiments of the present embodiment, long spiro nail through-hole includes eight, wherein four are arranged in upper housing
Quadrangle, four additional are symmetricly set on using pipeline as in the cavity of middle line two sides.
In some embodiments of the present embodiment, fixation hole 100 is equipped with around central through hole, gas sensor quadrangle is logical
It crosses screw and is connected and fixed hole, sealing ring 101 is equipped between gas sensor and central through hole.
In some embodiments of the present embodiment, gas sensor can be the gas sensor with MQ-4 model at this
The similar sensor of patent realization identical function.
In some embodiments of the present embodiment, signal transmitter can be the communication module with SIM800L model at this
The similar communication module of patent realization identical function.
In some embodiments of the present embodiment, the quadrangle of upper cover is equipped with corner apertures 90, and corner apertures is correspondingly arranged at upper housing
The long screw hole of quadrangle, upper cover are connect by screw 91 with upper housing.
In some embodiments of the present embodiment, the front end of the upper housing is equipped with groove 200, is equipped in the groove
Warning device 201, by microswitch, (connection type of microswitch and warning device and upper cover is existing to the warning device
Have technology, so being not shown in the figure) connection upper cover, when upper cover is pried open, triggering microswitch, microswitch control alarm dress
Set alarm.
Working principle:
The intracorporal central through hole of gas sensor transit chamber probes into cavity, the detection to gas leakage is realized, to prevent
Gas leakage is lost from the gap of central through hole, and sealing ring is arranged between gas sensor and central through hole, guarantees sensing
Airtightness at device reduces omission factor to improve detection sensitivity.
If gas in pipeline is smaller than the density of air, (such as combustion gas, main component are methane, and density is much smaller than air
Density), then as shown, gas sensor to be arranged in the top of cavity, when gas has leakage, since air accumulation exists
In closed cavity, so leaked gas can be gathered in the top of cavity, therefore, the upper of cavity is arranged in gas sensor
Side, can obtain best detection effect, detect the generation of leakage in time；Conversely, if gas in pipeline than air density
Gas sensor, then is arranged in the lower section of cavity, works as gas by (such as argon gas, Krypton etc., density are much larger than the density of air) greatly
When body has leakage, since air accumulation is in closed cavity, so leaked gas can be gathered in the lower part of cavity, therefore,
Gas sensor is arranged in the lower section of cavity, best detection effect can be obtained, detect the generation of leakage in time.This inspection
Survey mode is also effective for extremely small leakage, when extremely small leakage occurs for pipeline, the gas meeting that leaks out
It is gathered in above or below cavity, when the concentration of gas leakage reaches the Sensitirity va1ue of gas sensor, gas sensor
Just the generation of leakage can be detected.
Gas sensor can be with real-time detection to realize the real-time monitoring to special pipeline, for pipeline of less demanding
Can certain interval of time detection once to save electricity, when gas sensor has detected gas leakage, be connected thereto one
The signal transmitter 8 risen can send information to background server by SIM card or other sender means, so as to staff and
When dispose.
The preferred embodiment of the utility model is described in detail in conjunction with attached drawing above, still, the utility model is not limited to
The detail in embodiment is stated, it, can be to the technical side of the utility model in the range of the technology design of the utility model
Case carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model it is each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (7)
1. a kind of micro- leakage monitoring device of gas pipeline, it is characterised in that: including the shell being coated on the outside of the pipeline of monitoring point, institute
Stating shell includes upper housing and lower case, and sealing shroud is equipped between the upper housing and the lower case, is set in the upper housing
There is a cavity, central through hole is equipped in the cavity, is equipped with gas sensor in the central through hole, before the gas sensor,
Both ends are respectively equipped with support frame afterwards, and signal transmitter is equipped between support frame top, is equipped with upper cover at the top of the upper housing.
2. micro- leakage monitoring device of gas pipeline according to claim 1, it is characterised in that: the upper housing is with pipeline
The both sides of the edge of middle line are respectively equipped with long spiro nail through-hole, are equipped with long spiro nail in the long spiro nail through-hole, the lower shell surface is set
There is threaded hole corresponding with the long spiro nail through-hole.
3. micro- leakage monitoring device of gas pipeline according to claim 2, it is characterised in that: the sealing shroud is in cylindrical sleeve
Tubular, cylindrical sleeve tubular two sides are equipped with rectangle edge, and the rectangle edge is equipped with and the long spiro nail through-hole pair
The sealing through-hole answered, the sealing shroud include upper sleeve gasket and lower sleeve gasket, and the upper sleeve gasket is bonded the upper housing, described
Lower sleeve gasket is bonded the lower case.
4. micro- leakage monitoring device of gas pipeline according to claim 2, it is characterised in that: the long spiro nail through-hole includes
Eight, wherein four are arranged in the quadrangle of the upper housing, four additional is symmetricly set on using pipeline as the cavity of middle line two sides
It is interior.
5. micro- leakage monitoring device of gas pipeline according to claim 1, it is characterised in that: set around the central through hole
There is fixation hole, the gas sensor quadrangle is connected by screw to the fixation hole, and the gas sensor and the center are logical
Sealing ring is equipped between hole.
6. micro- leakage monitoring device of gas pipeline according to claim 4, it is characterised in that: the quadrangle of the upper cover is equipped with
Corner apertures, the corner apertures are correspondingly arranged at the long screw hole of upper housing quadrangle, and the upper cover through-hole screw is connect with the upper housing.
7. micro- leakage monitoring device of gas pipeline according to claim 1, it is characterised in that: the front end of the upper housing is set
It is fluted, warning device is equipped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920237039.3U CN209540528U (en) | 2019-02-25 | 2019-02-25 | Micro- leakage monitoring device of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920237039.3U CN209540528U (en) | 2019-02-25 | 2019-02-25 | Micro- leakage monitoring device of gas pipeline |
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| Publication Number | Publication Date |
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| CN209540528U true CN209540528U (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920237039.3U Active CN209540528U (en) | 2019-02-25 | 2019-02-25 | Micro- leakage monitoring device of gas pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156423A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Active safety protection system and method for hydrogen leakage |
| CN111156428A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Active safety protection device and method for hydrogen pipeline |
-
2019
- 2019-02-25 CN CN201920237039.3U patent/CN209540528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156423A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Active safety protection system and method for hydrogen leakage |
| CN111156428A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Active safety protection device and method for hydrogen pipeline |
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