CN207180780U - Underground high-precision gas ultrasonic flow rate measurement apparatus - Google Patents
Underground high-precision gas ultrasonic flow rate measurement apparatus Download PDFInfo
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- CN207180780U CN207180780U CN201721190792.9U CN201721190792U CN207180780U CN 207180780 U CN207180780 U CN 207180780U CN 201721190792 U CN201721190792 U CN 201721190792U CN 207180780 U CN207180780 U CN 207180780U
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- flow rate
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Abstract
Include underground gas ultrasonic flowmeter with high-precision gas ultrasonic flow rate measurement apparatus the utility model discloses a kind of underground, set on the gas ultrasonic flowmeter and draw threading stainless steel tube, the underground gas ultrasonic flowmeter passes through cable connection and teletransmission control cabinet, on the one hand the teletransmission control cabinet provides power supply for underground with gas ultrasonic flowmeter, on the other hand the flow information of flow monitoring point is sent to centralized control center of gas company by the teletransmission control cabinet by GPRS remote-transmission modules.
Description
Technical field
The underground that the utility model is related to high-precision gas ultrasonic flow rate measurement apparatus, is related to natural gas flow measurement skill
The method of flow measurement instrument water-proofing treatment and measurement data remote transmission in art, underground natural gas transportation pipe network, is applied to
The Trade Measures of interregional allotment tolerance measurement or terminal user in city gas transmission pipeline network.
Background technology
When in Urban Gas Distribution Networks, day peak regulation a certain amount of natural gas is typically stored using gas storage facility to solve
Certainly.Gas storage facility can be divided into low pressure gas storage and high-pressure gas, high-pressure gas can be divided into smash again according to the difference of gas storage pressure
Tank gas storage, high pressure tube bank or pressure piping gas storage and underground natural gas storage tank gas storage.For natural gas, due to upstream long distance pipeline
Supply pressure it is higher, to make full use of its pressure, typically using high-pressure gas, including pipeline and storage tank deposit gas, that is, logical
The peripheral first-level pipeline network construction for crossing city carrys out peak regulation.
Therefore, it is necessary to establish a set of management method on gas transmission system, gas transmission is carried out using true and reliable continuous data
The management of amount.Underground with high-precision gas ultrasonic flow rate measurement apparatus be for pipe network level peak regulation and utilitarian design is new, it
The metering of interregional gas discharge allotment can be achieved, the gas-storing capacity in the pipe network of different zones is accurately provided, be that natural gas is defeated
Match system provides basic data.
Existing gas ultrasonic flowmeter is required to establish a measuring station when gas distributing system displacement measures, will be defeated
Then tracheae is measured by converted underground to ground, while need outer power supply source, generally needs special messenger to often
Individual stoichiometric point goes to make an inventory data on flows.
Utility model content
The utility model is to provide a kind of underground with high-precision gas to solve the technical scheme that above-mentioned technical problem uses
Body ultrasonic flow rate measurement apparatus, wherein, concrete technical scheme is：
Set including underground gas ultrasonic flowmeter, on the underground gas ultrasonic flowmeter and draw threading stainless steel
On the one hand pipe, the underground gas ultrasonic flowmeter are underground by cable connection teletransmission control cabinet, the teletransmission control cabinet
Power supply is provided with gas ultrasonic flowmeter, on the other hand, the teletransmission control cabinet is supervised flow by GPRS remote-transmission modules
The flow information of measuring point is sent to centralized control center of gas company.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The underground gas ultrasonic flowmeter
Table body in two groups of flow sensors probe for being equipped with, in this two groups of flow sensors probe insertion measurement pipeline section, the flow
Temperature sensor, pressure sensor, flow sensor are set above sensor probe, and the flow sensor probe passes through signal
The control of processing unit carries out the measurement of the flowing velocity of gas medium, and the flow sensor probe passes through signal processing unit
Flow rate information is changed into flow information.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The underground gas ultrasonic flowmeter
Using two parallel measurement sound channels, two parallel measurement sound channels are that A measures sound channel and B measures sound channel.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The signal processing unit passes through RS485
Operating mode or mark condition flow information and warning message are sent in GPRS remote-transmission modules by communication interface.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The temperature sensor, pressure sensor
It is arranged on flow sensor in enclosed table body cavity, the sealed chamber of drawing of the signal wire of the flow sensor is 2.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The underground gas ultrasonic flowmeter
Table body on two threading stainless steel tubes are set, two threading stainless steel tubes are all connected with flow sensor probe, on the table body
Set and draw threading stainless steel tube, described draw in threading stainless steel tube passes through cable connection teletransmission control cabinet.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The threading stainless steel tube, draw threading
Stainless steel tube is connected by connecting bolt, and O-ring seal is respectively provided with the flow sensor probe and table body.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The underground gas ultrasonic flowmeter
Built-in fixed gas component, fixed gas medium component or the component received by RS485 communication interfaces is utilized to believe
Breath, calculated by the conversion that signal processing unit carries out operating mode and marks condition flow.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The signal of the flow sensor probe
Line through waterproof and pressure-resistant 8000psi hermetically sealed stainless steel tube are connected with signal processing unit, the signal processing unit
RS485 communication signals line and power line pass through waterproof and pressure-resistant hermetically sealed stainless steel tube and the teletransmission control cabinet phase on ground
Connection.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The teletransmission control cabinet includes passing through conjunction
The housing that page connection is set, water-proof sealing strip is set in the housing, battery pack is set in the housing, under the battery pack
Side sets GPRS remote-transmission modules, and the lower section of the GPRS remote-transmission modules sets pinout connector.
Above-mentioned underground high-precision gas ultrasonic flow rate measurement apparatus, wherein：The pinout connector connecting cable,
The cable is arranged in waterproof and pressure-resistant 8000psi hermetically sealed stainless steel tube.
The utility model has the advantages that relative to prior art：
1) each interregional combustion gas in gas ductwork can be directly acquainted with by underground gas ultrasonic flowmeter to store
Information is measured, the gas ultrasonic flowmeter of this kind of form can realize the bidirectional traffics metering of forward and reverse, can be accurately and true
Reflect each interregional gas storage and consumption in gas distributing system on the spot, and can easily carry out interregional gas consumption tune
Section；
2) built-in temperature, pressure sensor, can be achieved the correction-compensation of temperature and pressure, built-in fixed gas group
Dividing also can be by RS485 communication interfaces dynamic input gas component information, as the signal built in the gas ultrasonic flowmeter of underground
Processing unit carries out operating mode flow and marks the conversion calculating of condition flow, is directly carried by teletransmission GPRS remote-transmission modules for centralized control center
For operating mode or mark condition flow information；
3) also measure the velocity of sound of ultrasonic transducer while gas medium flow velocity is measured, the actual measurement velocity of sound, temperature and
Pressure value is sent to centralized control center by GPRS remote-transmission modules, and the calculating of the theoretical velocity of sound is completed by the host computer of centralized control center, and
It is compared with the actual measurement velocity of sound, the diagnosis of flowmeter running status can be achieved, is examined and determine without annual flowmeter of removing；
4) gas ultrasonic flowmeter of underground is less demanding to installation environment, and inspection shaft is whether there is on burning line can install
The gas ultrasonic flowmeter of this kind of form.Further, since underground carries teletransmission control cabinet with gas ultrasonic flowmeter metering system,
Power supply is whether there is to infield not require, it is also very convenient that teletransmission control cabinet changes battery on the ground.The teletransmission carried
Controller, by public radio communication system, flow and various warning messages are transferred to centralized control center, whole metering system is real
Existing full automatic management through quantification.
Brief description of the drawings
Fig. 1 is inspection shaft formula underground gas ultrasound flow measurement device system schematic；
Fig. 2 is direct burial underground gas ultrasound flow measurement device system schematic；
Fig. 3 is underground gas ultrasonic flowmeter outline structural diagram；
Fig. 4 is underground gas ultrasonic flowmeter sound channel distribution schematic diagram；
Fig. 5 is underground gas ultrasonic flowmeter internal structure schematic diagram；
Fig. 6 is teletransmission control cabinet internal structure schematic diagram；
Fig. 7 is signal transacting schematic diagram.
In figure：
1 underground gas ultrasonic flowmeter, 2 teletransmission control cabinet, the 3 live outlet galvanized pipe 6 of 4 support frame of PE straight lengths 5 is applied
The construction of protective cover 12 of 10 foundation bolt of the earth 8 water, 9 ground level of work the moon well 7 11, which is digged pit, 13 fills and leads up soil 01 and measures pipeline section
02 table body 03 draws threading stainless steel tube 04 and threads the connecting bolt 06O type sealing rings 07A of stainless steel tube 05 measurement sound channels
The battery pack 023GPRS teletransmission moulds of 021 water-proof sealing strip of 08B measurement sound channel 09 temperature sensor, 010 pressure sensors 022
The pinout connector of block 024
Embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
In order to realize the accurate detection to pipeline storage capacity in different zones, the utility model provides underground and surpassed with gas
Acoustic streaming measuring device and method.Underground gas ultrasound flow measurement device is worn by underground gas ultrasonic flowmeter 1, extraction
Line stainless steel tube 3, teletransmission control cabinet 2 and battery pack composition.Underground gas ultrasonic flowmeter 1 passes through electricity with teletransmission control cabinet 2
Cable is connected, and the flow information of each flow monitoring point is transferred directly to combustion gas by the GPRS remote-transmission modules 023 in teletransmission control cabinet 2
Centralized control center of company.
In order to prevent in underground water intrusion temperature sensor 09, pressure sensor 010 and flow sensor (transducer),
Temperature sensor 09, pressure sensor 010 and transducer are arranged in the enclosed chamber of table body 02 during design.While in order to make
Make and installation facilitates, in gas ultrasonic flowmeter runner design, two sound channels are designed to parallel channel version, it is such
Design makes the sealed chamber of drawing of the signal wire of transducer be reduced to 2 by four.
Underground is measured with the under ground portion of gas ultrasonic flowmeter 1 to the flow of the gas medium in gas ductwork, it
Flow, temperature, pressure, the velocity of sound and warning message are sent to by output signal line by the teletransmission control cabinet 2 resting on the ground afterwards.
The one side of teletransmission control cabinet 2 provides power supply for the underground gas ultrasonic flowmeter 1 of underground, on the other hand will can flow
Amount, temperature, pressure, the velocity of sound and warning message are transferred to the centralized control center of gas company by GPRS remote-transmission modules 02, and combustion gas is public
Department can grasp the operation conditions of flowmeter and the region combustion gas amount of storage information of gas-fired vacuum furnace in time.
Underground gas ultrasonic flowmeter 1 is directly installed in natural gas transportation pipe network located underground, installation site
Inspection shaft can be had, the mounting means of direct-burried (no inspection shaft) can also be taken.Company by underground with the both ends of gas ultrasonic flowmeter 1
Acting flange is connected with the companion flange on gas pipeline, then by the underground signal of gas ultrasonic flowmeter 1 and power supply line
Penetrate extraction threading stainless steel tube 03, the binding post being connected to afterwards in the teletransmission control cabinet 2 on ground.Mechanical interface is installed
Leakproof test to be carried out is finished, to ensure that the signal processing unit of below ground will not invade underground water.
Underground uses two parallel measurement channel versions with gas ultrasonic flowmeter 1, carries out the measurement of flow velocity and the velocity of sound；
Built-in temperature, pressure sensor, recycle fixed gas medium component or the component received by RS485 communication interfaces
Information, operating mode can be carried out and mark the conversion calculating of condition flow.The velocity of sound information actually measured simultaneously can be used as gas ultrasound stream
The diagnosis basis of gauge running status, can transmitted traffic meter fault message in real time.
The one side of teletransmission control cabinet 2 on ground provides power supply, another aspect GPRS teletransmissions for underground with flowmeter
Module 023 is communicated by RS485 and underground gas ultrasonic flowmeter 1, by the operating mode received (or mark condition) flow, temperature,
Pressure, the velocity of sound and warning message are sent to the centralized control center of gas company, realize the interregional dreary monitoring of gas ductwork with adjusting
Match somebody with somebody.
Fig. 1, be it is a kind of be inspection shaft formula installation underground formula gas ultrasound flow measurement device, excavated in installation
Gas Pipe, inspection shaft is built, underground gas ultrasonic flowmeter is installed in inspection shaft, then be connected with the teletransmission control cabinet on ground
Connect.
Fig. 2, it is a kind of underground formula gas ultrasound flow measurement device of direct burial installation, in installation, excavates
Fuel gas pipeline, support tube and limiting plate are respectively fitted on fuel gas pipeline first, then by underground with flowmeter directly and combustion gas
Pipeline is connected, then support frame and anti-skid cover are installed on corresponding position by figure, the power supply and signal wire most drawn at last
It is connected with the teletransmission control cabinet on ground.
Fig. 3, underground are inserted with two groups of transducer probes being equipped with the table body of gas ultrasonic flowmeter 1, these two pair probe
Measure in pipeline section 01, the measurement of the flowing velocity of gas medium is carried out by the control of signal processing unit, and pass through signal transacting
Flow rate information is changed into flow information by unit.
Fig. 4, two sound channel undergrounds have two parallel measurement sound channels with gas ultrasonic flowmeter, have compared with monophonic
There is the features such as reliability and high measurement performance.The extraction line terminals of two parallel sound channels only have two in addition, than the sound channel of X-type
Form has lacked two extraction line terminals, for simpler and convenient in underground waterproof processing.
Fig. 5, underground are equipped with built-in temperature and pressure sensor with gas ultrasonic flowmeter, can direct measurement combustion gas Jie
The temperature and pressure signal of matter, to be compensated to the measured deviation caused by temperature and pressure.In addition combined with tested Jie
The component of matter can calculate the compressibility factor of gas, realize operating mode flow and mark the conversion between condition flow.
Condition flow information and report, by RS485 communication interfaces, by operating mode or are marked in Fig. 6, underground with gas ultrasonic flowmeter 1
Alert information transmission sends such information to the centralized control center of gas company with GPRS remote-transmission modules into GPRS remote-transmission modules.
Also power supply is provided while teletransmission control cabinet with gas ultrasonic flowmeter for underground.
Although the utility model is disclosed as above with preferred embodiment, so it is not limited to the utility model, any
Those skilled in the art, do not departing from spirit and scope of the present utility model, when a little modification and perfect, therefore this can be made
The protection domain of utility model is worked as to be defined by what claims were defined.
Claims (10)
- A kind of 1. underground high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：Including underground gas ultrasound flow Count, set on the underground gas ultrasonic flowmeter and draw threading stainless steel tube, the underground gas ultrasonic flowmeter leads to Cable connection teletransmission control cabinet is crossed, on the one hand the teletransmission control cabinet provides power supply for underground with gas ultrasonic flowmeter, On the other hand, the flow information of flow monitoring point is sent to gas company by GPRS remote-transmission modules and collected by the teletransmission control cabinet Control center.
- 2. underground as claimed in claim 1 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：Use the underground The two groups of flow sensors probe being equipped with the table body of gas ultrasonic flowmeter, this two groups of flow sensor probe insertion measurement pipes Duan Zhong, the flow sensor probe top set temperature sensor, pressure sensor, flow sensor, the flow sensing Device probe carries out the measurement of the flowing velocity of gas medium by the control of signal processing unit, and the flow sensor probe is logical Cross signal processing unit and flow rate information is changed into flow information.
- 3. underground as claimed in claim 2 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：Use the underground Gas ultrasonic flowmeter uses two parallel measurement sound channels, and two parallel measurement sound channels are that A measures sound channel and B measurement sound Road.
- 4. underground as claimed in claim 3 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：At the signal Operating mode or mark condition flow information and warning message are sent in GPRS remote-transmission modules by reason unit by RS485 communication interfaces.
- 5. underground as claimed in claim 4 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：The temperature passes Sensor, pressure sensor and flow sensor are arranged in enclosed table body cavity, the signal linear sealing of the flow sensor It is 2 that formula, which draws chamber,.
- 6. underground as claimed in claim 5 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：Use the underground Two threading stainless steel tubes are set on the table body of gas ultrasonic flowmeter, and two threading stainless steel tubes are all connected with flow sensor spy Head, set on the table body and draw threading stainless steel tube, described draw in threading stainless steel tube is controlled by cable connection teletransmission Case.
- 7. underground as claimed in claim 6 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：The threading is not Rust steel pipe, extraction threading stainless steel tube are connected by connecting bolt, are respectively provided with the flow sensor probe and table body O-shaped Sealing ring.
- 8. underground as claimed in claim 7 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：Use the underground The built-in fixed gas component of gas ultrasonic flowmeter, using fixed gas medium component or passes through RS485 communication interfaces The component information received, calculated by the conversion that signal processing unit carries out operating mode and marks condition flow.
- 9. underground as claimed in claim 8 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：The flow passes Signal wire through waterproof and the pressure-resistant 8000psi of sensor probe hermetically sealed stainless steel tube are connected with signal processing unit, institute The RS485 communication signals line and power line for stating signal processing unit pass through in waterproof and pressure-resistant hermetically sealed stainless steel tube and ground Teletransmission control cabinet be connected.
- 10. underground as claimed in claim 9 high-precision gas ultrasonic flow rate measurement apparatus, it is characterised in that：The teletransmission Control cabinet includes connecting the housing set by hinge, and water-proof sealing strip is set in the housing, battery is set in the housing Group, the lower section of the battery pack set GPRS remote-transmission modules, and the lower section of the GPRS remote-transmission modules sets pinout connector, described Pinout connector connecting cable, the cable are arranged in waterproof and pressure-resistant 8000psi hermetically sealed stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190792.9U CN207180780U (en) | 2017-09-18 | 2017-09-18 | Underground high-precision gas ultrasonic flow rate measurement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190792.9U CN207180780U (en) | 2017-09-18 | 2017-09-18 | Underground high-precision gas ultrasonic flow rate measurement apparatus |
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| CN207180780U true CN207180780U (en) | 2018-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621293A (en) * | 2017-09-18 | 2018-01-23 | 上海中核维思仪器仪表有限公司 | Underground high-precision gas ultrasonic flow rate measurement apparatus and measuring method |
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2017
- 2017-09-18 CN CN201721190792.9U patent/CN207180780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621293A (en) * | 2017-09-18 | 2018-01-23 | 上海中核维思仪器仪表有限公司 | Underground high-precision gas ultrasonic flow rate measurement apparatus and measuring method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 107, building 15, 396 Guilin road, Xuhui District, Shanghai 200233 Patentee after: Shanghai Zhonghe Weisi Instrument Co.,Ltd. Address before: Room 107, building 15, 396 Guilin road, Xuhui District, Shanghai 200233 Patentee before: SHANGHAI CHINA NUCLEAR WEISI INSTRUMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |