CN109595471A - A kind of detection device and its detection method of natural gas line - Google Patents
A kind of detection device and its detection method of natural gas line Download PDFInfo
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- CN109595471A CN109595471A CN201811224997.3A CN201811224997A CN109595471A CN 109595471 A CN109595471 A CN 109595471A CN 201811224997 A CN201811224997 A CN 201811224997A CN 109595471 A CN109595471 A CN 109595471A
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- gas transmission
- supervisor
- control device
- gas
- warning lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention discloses a kind of detection device of natural gas line, it is responsible for including the first gas transmission, second gas transmission supervisor and connecting device, one end of the connecting device is fixedly connected with the first gas transmission supervisor, the other end of the connecting device is fixedly connected with the second gas transmission supervisor, the first gas transmission supervisor is fixedly connected by connecting device with the second gas transmission supervisor, gas transmission branch pipe is provided on the first gas transmission supervisor and the second gas transmission supervisor, the gas transmission branch pipe pass through connecting device be responsible for the first gas transmission and the second gas transmission supervisor be fixedly connected, the connecting device includes shell, detection box is provided with above the shell, control device is provided in the detection box, the detection box wraps control device, the control device is fixedly connected with detection box, the first gas transmission supervisor, it is respectively provided in second gas transmission supervisor and gas transmission branch pipe There is baroceptor；The detection device of the natural gas line can effectively detect gas pipeline leakage.
Description
Technical field
The present invention relates to a kind of detection device of natural gas line and its detection methods.
Background technique
Natural gas line, which refers to, is transported to city from exploitation ground or treatment plant for natural gas (associated gas including oil field production)
The pipeline of city's air distribution center or Industry enterprise customer, also known as gas pipeline.
With the popularization of natural gas, what industrial production was almost used is all natural gas as the energy or heating or smelts or dry
Roasting etc..The use of natural gas is mostly conveyed with tube shaped, and natural gas transportation amount is controlled by burnt gas valve.Natural gas
The place of pipeline linking is easy to that natural gas leaking occurs, so carrying out natural gas line leak detection work is to guarantee that industry security is raw
The key of production.
But existing natural gas line detection device effect is general, and those skilled in the art are desirable to provide and a kind of can effectively examine
Survey the detection device of gas pipeline leakage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of detection device that can effectively detect gas pipeline leakage and
Its detection method.
To solve the above problems, the present invention adopts the following technical scheme:
A kind of detection device of natural gas line, including the first gas transmission supervisor, the second gas transmission supervisor and connecting device, it is described
Connecting device is provided with more than one, and one end of the connecting device is fixedly connected with the first gas transmission supervisor, the connecting device
The other end and the second gas transmission supervisor be fixedly connected, the first gas transmission supervisor passes through connecting device and the second gas transmission supervisor's fixation
Connection, the first gas transmission supervisor and the second gas transmission are responsible for and are provided with gas transmission branch pipe, and the gas transmission branch pipe, which passes through, plugs into
Device is responsible for the first gas transmission and the second gas transmission supervisor is fixedly connected, and the connecting device includes shell, above the shell
It is provided with detection box, control device is provided in the detection box, the detection box wraps control device, the control device
It is fixedly connected with detection box, is provided with baroceptor in the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe,
Baroceptor circular array distribution setting, the baroceptor with its respectively on the first gas transmission supervisor, the
Two gas transmission supervisors are fixedly connected with gas transmission branch pipe, and the baroceptor and control device are electrically connected.
Preferably, the outer casing inner wall two sides are provided with the metal-rubber sealing ring for preventing gas from leaking, institute
It states metal-rubber sealing ring to be fixedly connected with shell, perforation, the perforation setting is provided on the metal-rubber sealing ring
There is more than one, the perforation equally distribution setting.Metal-rubber sealing ring not only has the elasticity of rubber, but also
Good characteristic with metal has the double action of pressure-bearing and sealing at the same time it can also pressure-bearing in a certain range.
Preferably, support plate is provided below in the detection box, the support plate is symmetric setting, the support
Plate is bolted with detection box, and the slot to match with support plate is provided on the shell, and the support plate is inserted into slot
Interior, the detection box is detachably connected by support plate and slot with shell.Support plate be inserted into slot in, can will test box and
Shell is dismantled, and maintenance overhaul is facilitated.
Preferably, be provided with solenoid valve on the connecting device, the solenoid valve with its respectively on dress of plugging into
Set and be fixedly connected, the solenoid valve with its respectively on control device be electrically connected.Solenoid valve can by the closedown of pipeline of leakage,
Effectively prevent gas from continuing conveying leakage.
Preferably, the detection box two sides are provided with the first warning lamp and the second warning lamp, first warning lamp and
Second warning lamp with its respectively on detection box be fixedly connected, first warning lamp and the second warning lamp with its respectively on
Control device be electrically connected.By being provided with the first warning lamp and the second warning lamp, the pipeline that will can effectively leak
It is marked, facilitates staff's repair process.
Preferably, being provided with variable diameter detection dress in the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe
It sets, the reducing diameter detecting device includes pressure sensor, pedestal, spring and connecting rod, and the pressure sensor is each with it
It is electrically connected from upper control device.Pressure condition after pressure sensor can effectively change internal diameter of the pipeline feeds back to control
Device processed.
Preferably, the pedestal and spring are symmetric setting, the pressure sensor is embedded in pedestal, the pressure
Force snesor is fixedly connected with spring, and the connecting rod is fixedly connected with spring.It is connect by pressure sensor with spring, works as bullet
When spring compresses, pressure change is to detect the variable diameter situation inside pipeline.
Preferably, the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch tube outer surface are provided with anti-corrosion painting
Layer.By being provided with corrosion-inhibiting coating, it can effectively prevent the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe from becoming rusty
Erosion, prolongs its service life.
The present invention provides a kind of detection method of the detection device of natural gas line, comprising the following steps:
1) gas transmission supervisor and gas transmission branch pipe have been separately connected by connecting device；
2) then using the barometric information in baroceptor detection pipeline, when finding gas transmission supervisor's leakage, with leakage
Connected two connecting devices of gas transmission supervisor in baroceptor barometric information can be fed back to its respective control device,
Control device will start its respectively on solenoid valve close gas transmission supervisor sealed, when find gas transmission branch pipe leakage when, gas transmission
Control device starting solenoid valve on branch pipe closes gas transmission branch pipe；
3) when finding gas transmission supervisor's leakage, the control device for two connecting devices being connected with the gas transmission of leakage supervisor is closed
While closing gas transmission supervisor, control device can control the first warning lamp and the flashing of the second warning lamp, what cue mark leaked
Pipeline, when finding the leakage of gas transmission branch pipe, control device controls it and detects the first warning lamp and the flashing of the second warning lamp on box,
Then indicate that this section of gas transmission branch pipe leaks；
4) after the completion of repairing, the baroceptor in pipeline detects that barometric information feeds back to its control device, control dress
It sets, solenoid valve thereon can be opened and closes the first warning lamp and the second warning lamp.
The invention has the benefit that being filled by being provided with connecting device, shell, detection box, baroceptor and control
It sets, baroceptor surrounds conduit ring-shaped array distribution, the barometric information in pipeline can be effectively detected, then by air pressure
Situation feeds back to control device.In addition, outer casing inner wall two sides are provided with the metal-rubber sealing ring for preventing gas from leaking,
Metal-rubber sealing ring is fixedly connected with shell, and perforation is provided on metal-rubber sealing ring, and perforation is provided with more than one,
Perforation equally distribution setting.Metal-rubber sealing ring not only has the elasticity of rubber, but also excellent with metal
Characteristic has the double action of pressure-bearing and sealing at the same time it can also pressure-bearing in a certain range.Detection box is provided below
Support plate, support plate are symmetric setting, and support plate is bolted with detection box, is provided on shell and matches with support plate
Pair slot, support plate be inserted into slot in, detection box be detachably connected by support plate and slot with shell.Support plate insertion is inserted
In slot, box can be will test and shell is dismantled, facilitate maintenance overhaul.Solenoid valve, solenoid valve are provided on connecting device
With its respectively on connecting device be fixedly connected, solenoid valve with its respectively on control device be electrically connected.Solenoid valve energy
By the closedown of pipeline of leakage, effectively prevent gas from continuing conveying leakage.Detection box two sides are provided with the first warning lamp and second
Warning lamp, the first warning lamp and the second warning lamp with its respectively on detection box be fixedly connected, the first warning lamp and second alert
Show lamp with its respectively on control device be electrically connected.It, can be effective by being provided with the first warning lamp and the second warning lamp
The pipeline leaked is marked, staff's repair process is facilitated.First gas transmission supervisor, the second gas transmission supervisor and gas transmission
Reducing diameter detecting device is provided in branch pipe, reducing diameter detecting device includes pressure sensor, pedestal, spring and connecting rod, pressure
Force snesor with its respectively on control device be electrically connected.After pressure sensor can effectively change internal diameter of the pipeline
Pressure condition feeds back to control device.Pedestal and spring are symmetric setting, and pressure sensor is embedded in pedestal, pressure sensing
Device is fixedly connected with spring, and connecting rod is fixedly connected with spring.It is connect by pressure sensor with spring, when the spring is compressed,
Pressure change is to detect the variable diameter situation inside pipeline.First gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe appearance
Face is provided with corrosion-inhibiting coating.By being provided with corrosion-inhibiting coating, can effectively prevent the first gas transmission supervisor, the second gas transmission supervisor and
Gas transmission branch pipe corrodes, and prolongs its service life.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of partial top view of the detection device of natural gas line of the present invention.
Fig. 2 is a kind of cross-sectional view of the connecting device of the detection device of natural gas line of the present invention.
Fig. 3 is a kind of partial perspective view of the metal-rubber sealing ring of the detection device of natural gas line of the present invention.
Fig. 4 is a kind of cross-sectional view of the gas transmission branch pipe of the detection device of natural gas line of the present invention.
Fig. 5 is a kind of partial structural diagram of the detection device of natural gas line of the present invention.
In figure: 1, the first gas transmission is responsible for；2, the second gas transmission is responsible for；3, connecting device；4, gas transmission branch pipe；5, shell；6, it examines
Survey box；7, control device；8, baroceptor；9, metal-rubber sealing ring；10, it perforates；11, support plate；12, solenoid valve；13,
First warning lamp；14, the second warning lamp；15, pressure sensor；16, pedestal；17, spring；18, connecting rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In embodiment, it is to be understood that term " centre ", "upper", "lower", " top ", " right side ", " left end ", " on
Side ", " back side ", " middle part ", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be only for
It is novel convenient for describing this implementation, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore should not be understood as implementing this novel limitation.
In addition, the connection or fixed form between component if not otherwise specified in this embodiment, connection or
Fixed form or can be adhesively fixed to be fixed by bolt commonly used in the prior art or pin is fixed or pin shaft connection,
Or it rivets the usual manners such as fixed and be not therefore described in detail in embodiment.
Embodiment 1
As shown in Figs. 1-2, the 1, second gas transmission supervisor 2 is responsible in a kind of detection device of natural gas line, including the first gas transmission
With connecting device 3, the connecting device 3 is provided with more than one, and one end of the connecting device 3 and the first gas transmission supervisor 1 are solid
The other end of fixed connection, the connecting device 3 is fixedly connected with the second gas transmission supervisor 2, and the first gas transmission supervisor 1, which passes through, to plug into
Device 3 is fixedly connected with the second gas transmission supervisor 2, is provided with gas transmission branch on the first gas transmission supervisor 1 and the second gas transmission supervisor 2
Pipe 4, the gas transmission branch pipe 4 is fixedly connected by connecting device 3 with the first gas transmission supervisor 1 and the second gas transmission supervisor 2, described to connect
Refuting device 3 includes shell 5, and the shell 5 is provided with detection box 6 above, is provided with control device 7, institute in the detection box 6
It states detection box 6 and wraps control device 7, the control device 7 is fixedly connected with detection box 6, and first gas transmission is responsible for 1, the
It is provided with baroceptor 8 in two gas transmissions supervisor 2 and gas transmission branch pipe 4,8 circular array of the baroceptor distribution is set
Set, the baroceptor 8 with its respectively on the first gas transmission be responsible for the 1, second gas transmission supervisor 2 and gas transmission branch pipe 4 is fixed connects
It connects, the baroceptor 8 is electrically connected with control device 7.By being provided with connecting device, shell, detection box, air pressure sensing
Device and control device, baroceptor surround conduit ring-shaped array distribution, can effectively detect the barometric information in pipeline,
Then barometric information is fed back into control device.
The present embodiment has the beneficial effect that by being provided with connecting device, shell, detection box, baroceptor and control
Device, baroceptor surround conduit ring-shaped array distribution, the barometric information in pipeline can be effectively detected, then by gas
Pressure situation feeds back to control device.
Embodiment 2
As shown in Figs. 1-5, the 1, second gas transmission supervisor 2 is responsible in a kind of detection device of natural gas line, including the first gas transmission
With connecting device 3, the connecting device 3 is provided with more than one, and one end of the connecting device 3 and the first gas transmission supervisor 1 are solid
The other end of fixed connection, the connecting device 3 is fixedly connected with the second gas transmission supervisor 2, and the first gas transmission supervisor 1, which passes through, to plug into
Device 3 is fixedly connected with the second gas transmission supervisor 2, is provided with gas transmission branch on the first gas transmission supervisor 1 and the second gas transmission supervisor 2
Pipe 4, the gas transmission branch pipe 4 is fixedly connected by connecting device 3 with the first gas transmission supervisor 1 and the second gas transmission supervisor 2, described to connect
Refuting device 3 includes shell 5, and the shell 5 is provided with detection box 6 above, is provided with control device 7, institute in the detection box 6
It states detection box 6 and wraps control device 7, the control device 7 is fixedly connected with detection box 6, and first gas transmission is responsible for 1, the
It is provided with baroceptor 8 in two gas transmissions supervisor 2 and gas transmission branch pipe 4,8 circular array of the baroceptor distribution is set
Set, the baroceptor 8 with its respectively on the first gas transmission be responsible for the 1, second gas transmission supervisor 2 and gas transmission branch pipe 4 is fixed connects
It connects, the baroceptor 8 is electrically connected with control device 7.By being provided with connecting device, shell, detection box, air pressure sensing
Device and control device, baroceptor surround conduit ring-shaped array distribution, can effectively detect the barometric information in pipeline,
Then barometric information is fed back into control device.
The 5 inner wall two sides of shell are provided with the metal-rubber sealing ring 9 for preventing gas from leaking, the metal rubber
Glue sealing ring 9 is fixedly connected with shell 5, and perforation 10 is provided on the metal-rubber sealing ring 9, and the perforation 10 is provided with
More than one, the perforation 10 equally distribution setting.Metal-rubber sealing ring not only has the elasticity of rubber, but also
Good characteristic with metal has the double action of pressure-bearing and sealing at the same time it can also pressure-bearing in a certain range.
Metal-rubber sealing ring 9 includes the first titanium alloy layer, the second titanium alloy layer and layer of silica gel, first titanium alloy
Layer and the second titanium alloy layer are bonded with layer of silica gel, and the layer of silica gel is between the first titanium alloy layer and the second titanium alloy layer.
Support plate 11 is provided below in the detection box 6, and the support plate 11 is symmetric setting, the support plate 11
It is bolted with detection box 6, the slot (not shown) to match with support plate, the support plate is provided on the shell 5
In 11 insertion slots, the detection box 6 is detachably connected by support plate 11 and slot with shell 5.Support plate is inserted into slot,
Box can be will test and shell is dismantled, facilitate maintenance overhaul.
Be provided with solenoid valve 12 on the connecting device 3, the solenoid valve 12 with its respectively on connecting device 3 it is solid
Fixed connection, the solenoid valve 12 with its respectively on control device 7 be electrically connected.Solenoid valve can by the closedown of pipeline of leakage,
Effectively prevent gas from continuing conveying leakage.
6 two sides of detection box are provided with the first warning lamp 13 and the second warning lamp 14, first warning lamp 13 and
Two warning lamps 14 with its respectively on detection box 6 be fixedly connected, first warning lamp 13 and the second warning lamp 14 and its
Control device 7 on respectively is electrically connected.By being provided with the first warning lamp and the second warning lamp, will can effectively leak
Pipeline be marked, facilitate staff's repair process.
First gas transmission is responsible in the 1, second gas transmission supervisor 2 and gas transmission branch pipe 4 and is provided with reducing diameter detecting device, described
Reducing diameter detecting device includes pressure sensor 15, pedestal 16, spring 17 and connecting rod 18, the pressure sensor 15 and its
Control device 7 on respectively is electrically connected.Pressure condition after pressure sensor can effectively change internal diameter of the pipeline is fed back
To control device.
The pedestal 16 and spring 17 are symmetric setting, and the pressure sensor 15 is embedded in pedestal 16, the pressure
Force snesor 15 is fixedly connected with spring 17, and the connecting rod 18 is fixedly connected with spring 17.Pass through pressure sensor and spring
Connection, when the spring is compressed, pressure change is to detect the variable diameter situation inside pipeline.
The 1, second gas transmission supervisor 2 is responsible in first gas transmission and 4 outer surface of gas transmission branch pipe is provided with corrosion-inhibiting coating and (does not scheme
Show).By being provided with corrosion-inhibiting coating, it can effectively prevent the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe from becoming rusty
Erosion, prolongs its service life.
The present embodiment has the beneficial effect that by being provided with connecting device, shell, detection box, baroceptor and control
Device, baroceptor surround conduit ring-shaped array distribution, the barometric information in pipeline can be effectively detected, then by gas
Pressure situation feeds back to control device.In addition, outer casing inner wall two sides are provided with the metal-rubber sealing for preventing gas from leaking
Circle, metal-rubber sealing ring is fixedly connected with shell, and perforation is provided on metal-rubber sealing ring, perforate be provided with one with
On, perforation equally distribution setting.Metal-rubber sealing ring not only has the elasticity of rubber, but also excellent with metal
Good characteristic has the double action of pressure-bearing and sealing at the same time it can also pressure-bearing in a certain range.Detect box following settings
There is support plate, support plate is symmetric setting, and support plate is bolted with detection box, is provided on shell and support plate phase
The slot of pairing, support plate are inserted into slot, and detection box is detachably connected by support plate and slot with shell.Support plate insertion
In slot, box can be will test and shell is dismantled, facilitate maintenance overhaul.Solenoid valve, electromagnetism are provided on connecting device
Valve with its respectively on connecting device be fixedly connected, solenoid valve with its respectively on control device be electrically connected.Solenoid valve
It can effectively prevent gas from continuing conveying leakage the closedown of pipeline of leakage.Detection box two sides are provided with the first warning lamp and the
Two warning lamps, the first warning lamp and the second warning lamp with its respectively on detection box be fixedly connected, the first warning lamp and second
Warning lamp with its respectively on control device be electrically connected.It, can be effective by being provided with the first warning lamp and the second warning lamp
The pipeline leaked is marked, facilitate staff's repair process.First gas transmission is responsible for, the second gas transmission is responsible for and defeated
It is provided with reducing diameter detecting device in gas branch pipe, reducing diameter detecting device includes pressure sensor, pedestal, spring and connecting rod,
Pressure sensor with its respectively on control device be electrically connected.After pressure sensor can effectively change internal diameter of the pipeline
Pressure condition feed back to control device.Pedestal and spring are symmetric setting, and pressure sensor is embedded in pedestal, and pressure passes
Sensor is fixedly connected with spring, and connecting rod is fixedly connected with spring.It is connect by pressure sensor with spring, works as spring-compressed
When, pressure change is to detect the variable diameter situation inside pipeline.Outside first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe
Surface is provided with corrosion-inhibiting coating.By being provided with corrosion-inhibiting coating, the first gas transmission supervisor, the second gas transmission supervisor can be effectively prevented
It corrodes, prolongs its service life with gas transmission branch pipe.
The present invention provides a kind of detection method of the detection device of natural gas line, comprising the following steps:
1) gas transmission supervisor and gas transmission branch pipe have been separately connected by connecting device；
2) then using the barometric information in baroceptor detection pipeline, when finding gas transmission supervisor's leakage, with leakage
Connected two connecting devices of gas transmission supervisor in baroceptor barometric information can be fed back to its respective control device,
Control device will start its respectively on solenoid valve close gas transmission supervisor sealed, when find gas transmission branch pipe leakage when, gas transmission
Control device starting solenoid valve on branch pipe closes gas transmission branch pipe；
3) when finding gas transmission supervisor's leakage, the control device for two connecting devices being connected with the gas transmission of leakage supervisor is closed
While closing gas transmission supervisor, control device can control the first warning lamp and the flashing of the second warning lamp, what cue mark leaked
Pipeline, when finding the leakage of gas transmission branch pipe, control device controls it and detects the first warning lamp and the flashing of the second warning lamp on box,
Then indicate that this section of gas transmission branch pipe leaks；
4) after the completion of repairing, the baroceptor in pipeline detects that barometric information feeds back to its control device, control dress
It sets, solenoid valve thereon can be opened and closes the first warning lamp and the second warning lamp.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of detection device of natural gas line, it is characterised in that: including the first gas transmission supervisor, the second gas transmission supervisor and plug into
Device, the connecting device are provided with more than one, and one end of the connecting device is fixedly connected with the first gas transmission supervisor, described
The other end of connecting device is fixedly connected with the second gas transmission supervisor, and the first gas transmission supervisor passes through connecting device and the second gas transmission
Supervisor is fixedly connected, and is provided with gas transmission branch pipe on the first gas transmission supervisor and the second gas transmission supervisor, the gas transmission branch pipe is equal
It is responsible for by connecting device with the first gas transmission and the second gas transmission supervisor is fixedly connected, the connecting device includes shell, described
It is provided with detection box above shell, control device is provided in the detection box, the detection box wraps control device, described
Control device is fixedly connected with detection box, is provided with gas in the first gas transmission supervisor, the second gas transmission supervisor and gas transmission branch pipe
Pressure sensor, baroceptor circular array distribution setting, the baroceptor with its respectively on it is first defeated
Gas supervisor, the second gas transmission supervisor are fixedly connected with gas transmission branch pipe, and the baroceptor and control device are electrically connected.
2. a kind of detection device of natural gas line according to claim 1, it is characterised in that: the outer casing inner wall two sides
It is provided with the metal-rubber sealing ring for preventing gas from leaking, the metal-rubber sealing ring is fixedly connected with shell,
Perforation is provided on the metal-rubber sealing ring, the perforation is provided with more than one, and equally distribution is set for the perforation
It sets.
3. a kind of detection device of natural gas line according to claim 2, it is characterised in that: set below the detection box
It is equipped with support plate, the support plate is symmetric setting, and the support plate is bolted with detection box, sets on the shell
It is equipped with the slot to match with support plate, the support plate is inserted into slot, and the detection box is by support plate and slot and outside
Shell is detachably connected.
4. a kind of detection device of natural gas line according to claim 3, it is characterised in that: on the connecting device
Be provided with solenoid valve, the solenoid valve with its respectively on connecting device be fixedly connected, the solenoid valve with its respectively on
Control device be electrically connected.
5. a kind of detection device of natural gas line according to claim 4, it is characterised in that: the detection box two sides are set
Be equipped with the first warning lamp and the second warning lamp, first warning lamp and the second warning lamp with its respectively on detection box fix
Connection, first warning lamp and the second warning lamp with its respectively on control device be electrically connected.
6. a kind of detection device of natural gas line according to claim 5, it is characterised in that: the first gas transmission master
Reducing diameter detecting device is provided in pipe, the second gas transmission supervisor and gas transmission branch pipe, the reducing diameter detecting device includes that pressure passes
Sensor, pedestal, spring and connecting rod, the pressure sensor with its respectively on control device be electrically connected.
7. a kind of detection device of natural gas line according to claim 6, it is characterised in that: the pedestal and spring are in
Symmetrical setting, the pressure sensor are embedded in pedestal, and the pressure sensor is fixedly connected with spring, the connecting rod
It is fixedly connected with spring.
8. a kind of detection method of the detection device of natural gas line, which comprises the following steps:
1) gas transmission supervisor and gas transmission branch pipe have been separately connected by connecting device；
2) defeated with leakage when finding gas transmission supervisor's leakage then using the barometric information in baroceptor detection pipeline
Barometric information can be fed back to its respective control device by the baroceptor in two connected connecting devices of gas supervisor, be controlled
Device will start its respectively on solenoid valve close gas transmission supervisor sealed, when find gas transmission branch pipe leakage when, gas transmission branch pipe
On control device starting solenoid valve close gas transmission branch pipe；
3) when finding gas transmission supervisor's leakage, the control device for two connecting devices being connected with the gas transmission of leakage supervisor is closed defeated
While gas is responsible for, control device can control the first warning lamp and the second warning lamp flashes, the pipeline that cue mark leaks,
When finding the leakage of gas transmission branch pipe, control device controls it and detects the first warning lamp and the flashing of the second warning lamp on box, then table
Show that this section of gas transmission branch pipe leaks；
4) after the completion of repairing, the baroceptor in pipeline detects that barometric information feeds back to its control device, and control device is then
Solenoid valve thereon can be opened and close the first warning lamp and the second warning lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811224997.3A CN109595471B (en) | 2018-10-20 | 2018-10-20 | Detection device and detection method for natural gas pipeline |
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| CN201811224997.3A CN109595471B (en) | 2018-10-20 | 2018-10-20 | Detection device and detection method for natural gas pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848577A (en) * | 2019-11-15 | 2020-02-28 | 广东华晟安全职业评价有限公司 | Automatic safety detection device for oil and gas pipeline transportation of Internet of things and use method thereof |
| CN112032572A (en) * | 2020-09-08 | 2020-12-04 | 河北振创电子科技有限公司 | Natural gas line leakage detection device |
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