CN207585671U - A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station - Google Patents
A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station Download PDFInfo
- Publication number
- CN207585671U CN207585671U CN201721794788.3U CN201721794788U CN207585671U CN 207585671 U CN207585671 U CN 207585671U CN 201721794788 U CN201721794788 U CN 201721794788U CN 207585671 U CN207585671 U CN 207585671U
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- China
- Prior art keywords
- proof
- observing
- valve
- natural gas
- incoming cables
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Abstract
A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station：Flow computer, valve switch, fieldbus fastener and end of incoming cables are assembled in case, flow computer, valve switch, fieldbus fastener are all connected with end of incoming cables, and valve switch is connected to air inlet shut-off valve by end of incoming cables.Non- explosion-proof type may be used in three kinds of devices of the utility model packaging, these devices, meets requirement of explosion proof by unified babinet, reduces cost.The packaging of fieldbus fastener simultaneously, it can complete the instrument measurement signal acquisition on the spot of voltage regulating station, all signals can be uploaded to the control centre of distal end simultaneously, and by PID arithmetic output pressure Regulate signal, control pressure regulating valve realizes automatic adjustment for the control centre of distal end.
Description
Technical field
This item utility model is related to gas power plant or other industrial circles are related to natural gas pressure regulating instrument and control.
Background technology
Natural gas has wide application and prospect as a kind of clean energy resource in electric power, petrochemical industry, transportation industry.Natural gas
Regulator be plant gas and other large scale industries indispensability device.
As inflammable and explosive place, the requirement of all meters uses explosion-proof type, meanwhile, for personal safety, in pressure regulation
Control room is also not provided with by standing.Each instrument monitoring signal is moved to by cable other than safe distance, and control is set with the conjunction of other systems
Room processed, it is often distant.
Above-mentioned conventional instrument and control facilities design cause on the spot instrument involve great expense, control facility dispersion wiring is caused to be stranded
Difficult and waste, site operation heavy workload.It also makes troubles to later maintenance.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station.
The technical solution of the utility model is specially：
A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station：Flow computer, valve switch, fieldbus are assembled in case
Fastener and end of incoming cables, flow computer, valve switch, fieldbus fastener are all connected with end of incoming cables, and valve switch passes through inlet wire
End is connected to air inlet shut-off valve.
Further：The end of incoming cables includes input terminal row and inlet wire port.
Further：The end of incoming cables is also associated with valve indicator light, and valve indicator light is connected by end of incoming cables into air to close
Disconnected valve.
Further：Flow sensor is further included, flow sensor passes through end of incoming cables access flow computer.
Further：Further include pressure sensor and temperature sensor, pressure-regulating valve, pressure sensor and temperature sensing
Device, pressure-regulating valve all access fieldbus fastener by end of incoming cables.
Further：The fieldbus fastener connects the control centre of remote control by communication cable.
Further：The observing and controlling tank shell uses explosion-proof casing.
Relative to the prior art, the technique effect of the utility model is three kinds of devices of the utility model packaging, these devices
Non- explosion-proof type may be used, requirement of explosion proof is met by unified babinet, reduces cost.The collection of fieldbus fastener simultaneously
Dress can complete the instrument measurement signal acquisition on the spot of voltage regulating station, while all signals can be uploaded to the control centre of distal end, far
The control centre at end realizes automatic adjustment by PID arithmetic output pressure Regulate signal, control pressure regulating valve.By more than 20 electricity
Cable is combined into a communication cable, alleviates the workload and quantity of material of cable installation, is conducive to install and safeguard, debugs on the spot.
The observing and controlling case of containerization can be as a whole device, compensate for market has openings, there is wide purchasing demand and application prospect.
Description of the drawings
Fig. 1 is the inside left structure chart of the utility model.
Fig. 2 is the inner right side structure chart of the utility model.
Fig. 3 is the system schematic of the utility model.
Wherein explosion-proof observing and controlling case shell 1, flow computer 2, fieldbus fastener 3, valve switch 4, valve indicator light 5,
Inlet wire port 6, input terminal 7.
Specific embodiment
A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station, flow computer 2, valve switch 4, fieldbus fastener 3, stream
Amount computer 2, valve switch 4, fieldbus fastener 3 are all connect with end of incoming cables, and flow sensor and pressure-regulating valve, temperature pass
Sensor, pressure sensor all access observing and controlling case by end of incoming cables, after being converted by fieldbus fastener, with communication on communication cable
Number to distal end control centre.
The end of incoming cables includes input terminal row 7 and inlet wire port 6.
Outside plant is connected on by cable on the end of incoming cables of natural gas pressure regulating station observing and controlling case, passes through the observing and controlling of natural gas pressure regulating station
Case completes the control centre that information is uploaded to distal end.
The presence of fieldbus fastener, which can complete remote control center, only needs a communication cable that can just acquire naturally
Control of the much information and completion of feed channel to natural gas line.
The data of flow sensor are monitored and accumulated to gas discharge by incoming traffic computer, can shown
Instantaneous flow and integrated flow, for trade settlement.When carrying out tubular service into natural gas on-site or energy during emergency episode
The valve switch 4 being manually operated on observing and controlling case sends switching signal control natural gas air inlet shutdown.Pressure, the temperature of natural gas line
The signals such as degree access the fieldbus fastener 3 in observing and controlling case by sensor, receive the real time information of the monitoring at scene, and can
The state of gas pipeline is monitored at remote control center, regulating valve, air inlet shut-off valve are controlled.
The fieldbus fastener 3 installed additional in observing and controlling case, makes hard-wired signals that can be converted into observing and controlling case by controller
Then communication signal enters the DCS of the control centre of distal end by a communication cable, observing and controlling case on the spot can be used as wherein
One unit module works.
Equipped with valve indicator light 5 on observing and controlling case surface, natural gas air inlet can easily be understood when overhauling and run at the scene
Whether turn off, whether valve switch is off position.
Pressure sensor and temperature sensor all access observing and controlling case by end of incoming cables, and observing and controlling case is enable to monitor in real time naturally
Air pressure force signal and temperature signal, pressure can be used as regulated variable, natural gas transmission pressure be made to be maintained at setting by regulating valve
Range discovers whether to leak when having pressure drop.
Observing and controlling case shell uses explosion-resistant enclosure 1.
3 three kinds of observing and controlling case packaging flow computer 2, valve switch 4, fieldbus fastener devices of the utility model, mistake
It is all dispersion installation to remove these devices, each device is required for being mounted in explosion-proof tank or itself has explosion-proof, this practicality
These devices of novel packaging, make these devices that non-explosion-proof type may be used, meet requirement of explosion proof by unified babinet, drop
Low cost.The packaging of fieldbus fastener 3 simultaneously can complete the instrument measurement signal acquisition on the spot of voltage regulating station.By more than 20
Cable is combined into a communication cable, alleviates the workload and quantity of material of cable installation, is conducive to install and safeguard, adjusts on the spot
Examination.The observing and controlling case of containerization can be as a whole device, market has openings is compensated for, before having wide purchasing demand and application
Scape.
Above-described is only the preferred embodiment of the utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (7)
1. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station, it is characterised in that：Flow computer is assembled in case, valve is opened
Pass, fieldbus fastener and end of incoming cables, flow computer, valve switch, fieldbus fastener are all connected with end of incoming cables, and valve is opened
It closes and air inlet shut-off valve is connected to by end of incoming cables.
2. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1, it is characterised in that：The end of incoming cables packet
Include input terminal row and inlet wire port.
3. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1, it is characterised in that：The end of incoming cables is also
Valve indicator light is connected with, valve indicator light connects air inlet shut-off valve by end of incoming cables.
4. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1, it is characterised in that：Further include flow biography
Sensor, flow sensor pass through end of incoming cables access flow computer.
5. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1, it is characterised in that：Further include pressure biography
Sensor and temperature sensor, pressure-regulating valve, pressure sensor and temperature sensor, pressure-regulating valve are all accessed by end of incoming cables
Fieldbus fastener.
6. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1, it is characterised in that：The fieldbus
Fastener connects the control centre of remote control by communication cable.
7. a kind of special explosion-proof observing and controlling case in natural gas pressure regulating station as described in claim 1 to 6 is any, it is characterised in that：It is described
Observing and controlling tank shell uses explosion-proof casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721794788.3U CN207585671U (en) | 2017-12-20 | 2017-12-20 | A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721794788.3U CN207585671U (en) | 2017-12-20 | 2017-12-20 | A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585671U true CN207585671U (en) | 2018-07-06 |
Family
ID=62739129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721794788.3U Expired - Fee Related CN207585671U (en) | 2017-12-20 | 2017-12-20 | A kind of special explosion-proof observing and controlling case in natural gas pressure regulating station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585671U (en) |
-
2017
- 2017-12-20 CN CN201721794788.3U patent/CN207585671U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |