CN207074231U - A kind of device of gas distributing system intelligent power generation metering - Google Patents
A kind of device of gas distributing system intelligent power generation metering Download PDFInfo
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- CN207074231U CN207074231U CN201720903932.6U CN201720903932U CN207074231U CN 207074231 U CN207074231 U CN 207074231U CN 201720903932 U CN201720903932 U CN 201720903932U CN 207074231 U CN207074231 U CN 207074231U
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Abstract
The utility model discloses a kind of device of gas distributing system intelligent power generation metering, including TRT, data collecting system, control system, the TRT is directly inscribed in natural gas line, and the data collecting system includes preposition temperature, pressure transmitter, rearmounted temperature, pressure transmitter；The control system includes high pressure sealing binding post, wire, UPS module, PLC module, stop valve and motor-driven valve, pressure regulator valve, and described PLC module is used for the natural gas current traffic data of pressure differential or generating parameter calculating TRT position before and after the TRT according to monitoring.The utility model has without applying power, automatic control level height, steady operation and other merits, moreover it is possible to judges whether natural gas leaks, reduces artificial supervision, reduces pipeline measuring cost, greatly improves pipe network operation security.Future can operate with whole gas distributing system, realize pipe network intelligentized control method.
Description
Technical field
The utility model belongs to gas dosing field, and in particular to a kind of device of gas distributing system intelligent power generation metering.
Background technology
As the fast development of society, natural gas demand are also increasing.This also operation pipe to pipeline network of fuel gas in city
Reason and Security Construction propose higher requirement.And pipeline network of fuel gas in city is main at present or passes through common patrolling and checking management system
It based on behavior adjustment management, there are problems that many, as data can not gather, behavior adjustment management or operational error etc. be present.Therefore, need
Intelligentized means are wanted, improve the security of gas ductwork.
And the realization of Intelligent pipe net is, it is necessary to electricity consumption.But current many voltage regulating stations, pressure regulating box are all in without electricity or short of electricity shape
State.Particularly deviate urban district area, more lack power supply, want to realize that intelligent pipe network is more difficult.If drawing civil power, need high
Drawing cable expense, and government's examination ＆ approval are difficult.There are many destabilizing factors again using solar energy or wind energy, can not be continual and steady
Generate electricity.And using flowmeter meterage with too high, it is difficult to popularize.
Therefore, it is necessary to which a kind of method and device of intelligent power generation metering, is supplied temperature, pressure transmitter and valve etc.
Electricity, Natural gas data in pipeline is acquired and measures gas discharge, and the keying and alarm of autocontrol valve.
Chinese patent application CN203488999U discloses a kind of Natural gas pipeline system pressure regulating metering device.Natural gas
Pressure regulation metering is carried out to natural gas by the manual ball valve on casing, flowmeter, control valve, pressure regulator etc..The advantages of device
It is simple in construction, safe and reliable.But simply traditional flowmeter, pressure regulator, valve etc. are integrated in fact, and control needs
Manually control, can not carry out data transmission, it is extremely inconvenient.
Chinese patent application CN105822904A discloses a kind of gas pipeline built-in power generation regulator.By natural
Impeller is added in feed channel and generator is generated electricity, and the point sent is stored in battery, then supplies electricity to electrical equipment.The reality
With new small volume, convenient disassembly, can solve the burning line monitoring device electrical problem of remote districts.But the utility model
Function of measuring is not had, it is impossible to detect whether natural gas leaks, want to realize that metering also needs to add a flowmeter again, be not appropriate for
Remote, small-sized station.
Utility model content
The purpose of this utility model is for existing natural gas metering device and built in pipeline at present presented above
The hidden danger and deficiency of TRT, there is provided a kind of device of gas distributing system intelligent power generation metering, to reach remote without electric short of electricity
The accurate metering in area, steady operation, the purpose of natural gas is with the presence or absence of leakage, transmission parameters of natural gas is judged in time.
The utility model realizes that the technical scheme of above-mentioned purpose is：
A kind of device of gas distributing system intelligent power generation metering, including TRT, data collecting system, control system,
The TRT is directly inscribed in natural gas line, and the data collecting system is included before being arranged on TRT upstream
Put temperature, pressure transmitter, be arranged on the rearmounted temperature, pressure transmitter in TRT downstream；The control system includes high pressure
Sealed wiring post, wire, UPS module, PLC module, the stop valve for being arranged on TRT upstream and motor-driven valve, it is arranged on generating
The pressure regulator valve in device downstream, described UPS module connect TRT storage electric energy, prison by wire with high pressure sealing binding post
Control TRT generating parameter, while be PLC module, stop valve, motor-driven valve, pressure regulator valve, preposition temperature, pressure transmitter, rearmounted
Temperature, pressure transmitter is powered, described PLC module and the stop valve, motor-driven valve, pressure regulator valve, preposition temperature, pressure pick-up
Device, the connection of rearmounted temperature, pressure transmitter circuit, are calculated for pressure differential before and after the TRT according to monitoring or generating parameter
The natural gas current traffic data of TRT position.
Further, described TRT includes generator, fixed iron bar, motor metal sleeve, impeller, the generating
Machine is screwed in motor metal sleeve, and the motor metal sleeve is fixed on natural gas line by fixed iron bar
Interior, the impeller is fixed in the rotating shaft of the generator, and the front end of the rotating shaft is provided with water conservancy diversion bullet.
Further, the baffle liner being additionally provided with described natural gas line in front of impeller, it is natural for changing
Air-flow is to increasing the contact area of natural gas and impeller, increasing electricity output.
Further, the generator is explosion-proof power generator.
Further, described PLC module is additionally operable to show preposition temperature, pressure transmitter, rearmounted temperature, pressure transmitter
Pressure, temperature data.
Further, described PLC module is additionally operable to show the electric current and voltage of TRT output.
Further, described PLC module is additionally operable to exceed safety in the data on flows and the gap of upstream and downstream calculated
Threshold value alarm and closing stop valve.
The utility model has following beneficial effect compared with prior art：
1st, equipment implementation cost is low and safety coefficient is high.The device in fact simply in script flow plus TRT and
PLC module, UPS module and high pressure sealing binding post, temperature, pressure transmitter and valve all own for script station.Without additional
Flowmeter can be achieved with realizing traffic monitoring and data transfer without electric short of electricity station, and for the realization of Intelligent pipe net, provide can
Energy.Once leaking, i.e., flow is not inconsistent with upstream and downstream, then PLC module can automatic alarm, it is serious when can close valve.
2nd, package unit automaticity is high.The device can automatic running and detection without manual operation, it is only necessary to fixed
Phase is repaired.Reduce many errors manually brought, save human cost again.By metering process for difference
Traffic conditions carry out distinct methods metering, and degree of intelligence is high.
3rd, package unit floor space is small, has a wide range of application.The device, which has only taken up, lays UPS module and PLC module
Take up an area, floor space is less than half square meter.And due to flowmeter need not be added, it can be used under various operating modes.
Brief description of the drawings
Fig. 1 is a kind of installation drawing of gas distributing system intelligent power generation metering.
Shown in figure：1- natural gas lines, 2- stop valves, 3- motor-driven valves, 4- temperature sensor baffle liners, 5- impellers, 6-
Fixed iron bar, 7- motor metal sleeves, 8- pressure regulator valves, the rearmounted temperature, pressure transmitters of 9-, 10- wires, 11- screws, 12- generate electricity
Machine, 13- water conservancy diversion bullets, the preposition temperature, pressure transmitters of 14-, 15-UPS modules, 16- high pressure sealing binding posts, 17-PLC modules.
Embodiment
To more fully understand the utility model, the utility model is described in further detail with reference to the accompanying drawings and examples,
But the scope of the requires of the utility model protection is not limited to the scope of embodiment statement.
By taking certain natural gas line as an example, gas discharge stability of flow at 8~20 in the pipeline, per hour flow reach
2000Nm3/ h, remaining time instability of flow.
Embodiment one
As shown in figure 1, a kind of device of gas distributing system intelligent power generation metering, including TRT, data collecting system,
Control system, the TRT are directly inscribed in natural gas line 1, and the data collecting system includes being arranged on generating dress
Put the preposition temperature, pressure transmitter 14 of upstream, be arranged on the rearmounted temperature, pressure transmitter 9 in TRT downstream；The control
System includes high pressure sealing binding post 16, wire 10, UPS module 15, PLC module 17, the cut-off for being arranged on TRT upstream
Valve 2 and motor-driven valve 3, the pressure regulator valve 8 for being arranged on TRT downstream, described UPS module 15 are connect by wire and high pressure sealing
Terminal 16 connects TRT storage electric energy, monitoring TRT generating parameter, while is PLC module 17, stop valve 2, electronic
Valve 3, pressure regulator valve 8, preposition temperature, pressure transmitter 14, rearmounted temperature, pressure transmitter 9 are powered, described PLC module 17 and institute
Stop valve 2, motor-driven valve 3, pressure regulator valve 8, preposition temperature, pressure transmitter 14, the connection of the rearmounted circuit of temperature, pressure transmitter 9 are stated, is used
Pressure differential or generating parameter calculate the natural gas present flow rate of TRT position before and after the TRT according to monitoring
Data, the model of the PLC module of the use of the present embodiment：Siemens PLC, the concrete model of the UPS module 15 of use
For：APC-Smart UPS sua2200/3000UXICH.
In the present embodiment, described TRT includes generator 12, fixed iron bar 6, motor metal sleeve 7, impeller 5,
The generator 12 is explosion-proof power generator, and it is fixed in motor metal sleeve 7 by screw 11, the motor metal sleeve 7
It is fixed on by fixed iron bar 6 in natural gas line 1, the impeller 5 is fixed in the rotating shaft of the generator 12, the rotating shaft
Front end be provided with water conservancy diversion bullet 13.The baffle liner 4 positioned at the front of impeller 5 is additionally provided with described natural gas line 1.
In stability of flow, natural gas flow rotates impeller 5 through device impact impeller 5, and impeller 5, which rotates, drives generator 12
Rotate, 200W electricity can be sent.The electricity sent is stored in UPS module 15 by wire.It is simultaneously PLC module 17, cut-off
Valve 2, motor-driven valve 3, pressure regulator valve 8, preposition temperature, pressure transmitter 14, rearmounted temperature, pressure transmitter 9 are powered.Now generator 12
The parameter for sending electricity is shown in PLC module 17.
Meanwhile described PLC module 17 is additionally operable to the pressure and temp data of display transmission, the electricity of display TRT output
Stream and voltage, exceed secure threshold alarm in the data on flows and the gap of upstream and downstream calculated and close stop valve 2, stop
Only supply, ensure conduit running safety.
Embodiment two
A kind of method of gas distributing system intelligent power generation metering, based on described device, it is divided into in the case of gas peak and using
Two kinds of different metering methods in the case of gas low ebb, including step：
S1, when with gas peak, natural gas drive TRT stable rotation simultaneously generate electricity, PLC module 17 obtain generate electricity dress
Put the Current Voltage of output；Then by the magnetic flux and induction electric potential constant of TRT, calculated according to derivation formula
Go out the flow of natural gas, error is below 1%：
Wherein：Q be pipeline in gas discharge, unit m3/s；R is pipe radius, unit m；U exports for generator
Voltage, unit V；I is output generator current, unit A；K induction electric potential constants；Φ magnetic fluxes, unit Wb；
When with gas low ebb, because natural gas be insufficient to allow wheel rotation or rotation be less than predetermined value when, then pass through preposition temperature
Degree pressure transmitter is transferred data in PLC module with rearmounted temperature, pressure transmitter, and the PLC module is according to flow and pressure
The calculation formula of difference extrapolates gas discharge, and error amount is below 5%：
Wherein：Q be pipeline in gas discharge, unit m3/s；U is discharge coefficient, if impeller does not turn, u value
For 0.57~0.65；When wheel speed is less than preset value, u value is 0.5~0.57, and each pipeline is drawn by fitting data
Specific u values；R is pipe radius, unit m；Δ P be device before and after pressure differential, unit Pa；ρ is that natural gas is put down in pipeline
Equal density, unit kg/m3。
It is PLC module 17, stop valve 2, motor-driven valve 3, pressure regulator valve 8, preposition temperature in UPS module 15 when with gas peak
Pressure transmitter 14, rearmounted temperature, pressure transmitter 9 are powered, and monitor the generating parameter of generator 12, the electricity that generator 12 exports
Stream voltage is shown in PLC module 17.
Gas discharge is calculated according to formula in the present embodiment, and whether judge, prompt is normal condition.When flow not
When stable, the electricity being stored in UPS continues as each equipment power supply.Preposition temperature, pressure transmitter and rearmounted temperature, pressure pick-up
Device can be by the temperature flow data transfer of natural gas into PLC module 17, and the PLC module 17 is according to corresponding calculation formula
Carry out calculating and provide data on flows, and whether judge, prompt is normal condition.
When the gas discharge gap for the gas discharge and upstream and downstream extrapolated is more than threshold value, namely data on flows is not
When normal, show that natural gas line has leakage problem, the PLC module 17 can be alarmed, be automatically cut off under serious conditions
Valve stops supply.
Two kinds of different metering methods, it can be ensured that no matter the accurate metering of gas discharge can be realized in any case,
Realize that intelligent power generation measures.
In summary, the device that above-described embodiment provides is that one kind is built in natural gas line and utilizes pressure energy of natural gas
The device of generating, the electricity being simultaneously emitted by are used for the metering of gas discharge and pipeline meter power supply in pipeline.Make measuring cost
Realize and automatically control while reduction.The utility model, through electric energy caused by TRT, is data acquisition by natural gas flow
System and control system power supply；The flow of natural gas is extrapolated according to equipment parameter itself and natural gas correlation temperature and pressure data, its
Error amount is less than 5%.When pipe natural gas flow, which is in, uses gas peak, by the Current Voltage now shown in PLC module,
Electrical power generators parameter is calculated by correlation formula, the flow of now natural gas is being extrapolated by correlation formula；Work as pipe
Road gas discharge is then extrapolated by natural gas flow in when using gas low ebb through pressure difference caused by TRT by experience
Discharge coefficient calculates outflow.
Package unit equipment is simple, without setting up flowmeter and electric power system in addition on the basis of existing utility, passes through
Pressure difference temperature difference data and formula are measured before and after TRT, and TRT is powered for whole system, and PLC module 17 is carried out
Accurate to control, UPS module 15 stores electricity, and gained temperature is used to correct natural gas density, judges in time instead after can carrying out place
Feedback whether there is gas leak phenomenon, realizes and gas discharge in pipeline is continued to monitor under conditions of low cost, realizes that data pass
Defeated, safe operation and intellectuality for pipe network provide a reliable guarantee.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to embodiment of the present utility model.For those of ordinary skill in the field, on the basis of described above
On can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.
All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in this reality
Within new scope of the claims.
Claims (7)
- A kind of 1. device of gas distributing system intelligent power generation metering, it is characterised in that：Including TRT, data collecting system, Control system, the TRT are directly inscribed in natural gas line（1）In, the data collecting system includes being arranged on generating The preposition temperature, pressure transmitter of device upstream（14）, be arranged on the rearmounted temperature, pressure transmitter in TRT downstream（9）；Institute Stating control system includes high pressure sealing binding post（16）, wire（10）, UPS module（15）, PLC module（17）, be arranged on generating The stop valve of device upstream（2）And motor-driven valve（3）, be arranged on the pressure regulator valve in TRT downstream（8）, described UPS module （15）Pass through wire and high pressure sealing binding post（16）TRT storage electric energy, monitoring TRT generating parameter are connected, together When be PLC module（17）, stop valve（2）, motor-driven valve（3）, pressure regulator valve（8）, preposition temperature, pressure transmitter（14）, rearmounted temperature Pressure transmitter（9）Power supply, described PLC module（17）With the stop valve（2）, motor-driven valve（3）, pressure regulator valve（8）, preposition temperature Spend pressure transmitter（14）, rearmounted temperature, pressure transmitter（9）Circuit connects, for pressure before and after the TRT according to monitoring Difference or generating parameter calculate the natural gas current traffic data of TRT position.
- 2. the device of gas distributing system intelligent power generation metering according to claim 1, it is characterised in that：Described generating dress Put including generator（12）, fixed iron bar（6）, motor metal sleeve（7）, impeller（5）, the generator（12）Pass through screw （11）It is fixed on motor metal sleeve（7）It is interior, the motor metal sleeve（7）Pass through fixed iron bar（6）It is fixed on natural gas tube Road（1）It is interior, the impeller（5）It is fixed on the generator（12）Rotating shaft on, the front end of the rotating shaft is provided with water conservancy diversion bullet （13）.
- 3. the device of gas distributing system intelligent power generation metering according to claim 2, it is characterised in that：Described natural gas Pipeline（1）Inside it is additionally provided with positioned at impeller（5）The baffle liner in front（4）.
- 4. the device of gas distributing system intelligent power generation metering according to claim 2, it is characterised in that：The generator （12）For explosion-proof power generator.
- 5. the device of gas distributing system intelligent power generation metering according to claim 1, it is characterised in that：Described PLC moulds Block（17）It is additionally operable to show preposition temperature, pressure transmitter（14）, rearmounted temperature, pressure transmitter（9）Pressure, temperature data.
- 6. the device of gas distributing system intelligent power generation metering according to claim 1, it is characterised in that：Described PLC moulds Block（17）It is additionally operable to show the electric current and voltage of TRT output.
- 7. the device of gas distributing system intelligent power generation metering according to claim 1, it is characterised in that：Described PLC moulds Block（17）It is additionally operable to exceed secure threshold alarm in the data on flows and the gap of upstream and downstream calculated and closes stop valve （2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903932.6U CN207074231U (en) | 2017-07-25 | 2017-07-25 | A kind of device of gas distributing system intelligent power generation metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720903932.6U CN207074231U (en) | 2017-07-25 | 2017-07-25 | A kind of device of gas distributing system intelligent power generation metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074231U true CN207074231U (en) | 2018-03-06 |
Family
ID=61522898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720903932.6U Expired - Fee Related CN207074231U (en) | 2017-07-25 | 2017-07-25 | A kind of device of gas distributing system intelligent power generation metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074231U (en) |
-
2017
- 2017-07-25 CN CN201720903932.6U patent/CN207074231U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20200725 |