CN202903246U - Integrated type natural gas two-phase flow meter - Google Patents
Integrated type natural gas two-phase flow meter Download PDFInfo
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- CN202903246U CN202903246U CN 201220618966 CN201220618966U CN202903246U CN 202903246 U CN202903246 U CN 202903246U CN 201220618966 CN201220618966 CN 201220618966 CN 201220618966 U CN201220618966 U CN 201220618966U CN 202903246 U CN202903246 U CN 202903246U
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- flow meter
- phase flow
- integral type
- rock gas
- type rock
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Abstract
The utility model relates to an integrated type natural gas two-phase flow meter which comprises a central processing unit. The integrated type natural gas two-phase flow meter is characterized in that the central processing unit is connected with an analog and digital (AD) sampling chip, a keyboard and a display screen, wherein the AD sampling chip is connected with a pressure sensor, a pressure difference sensor and a temperature sensor. The central processing unit further comprises a communication interface and a FLASH chip. The integrated type natural gas two-phase flow meter has the advantages of being unnecessary to carry a pressure vessel, small in size, compact in structure, high in safety factor and measuring accuracy, capable of automatically modifying parameters according to variation in flow rate, important for mining of oil and gas fields and the like.
Description
Technical field
The utility model relates to a kind of natural gas flowmeter, especially a kind of integral type rock gas two-phase flow meter.
Background technology
At present, the main metering separator that uses measures in the industrial gas oil production, and production procedure is complicated, cost is high, measuring accuracy is low, can not reflect in real time the condition of production.And the external product price is high, can't promote the use of.People extremely are concerned about the accurate-metering of gas discharge, it to unit efficiency analysis, technological parameter adjustment technology instruct, the plant energy consumption analysis all plays considerable effect, is directly connected to quality, cost and the economic benefit of product.The detection technique of research and development condensation rock gas be current industrial gas oil produce in the urgent need to.
The utility model content
In view of this, the purpose of this utility model provides a kind of integral type rock gas two-phase flow meter.
The utility model adopts following scheme to realize: a kind of integral type rock gas two-phase flow meter, comprise a central processing unit, and it is characterized in that: described central processing unit connects an AD sampling A/D chip, a keyboard and a display screen; Described AD sampling A/D chip connects a pressure transducer, a differential pressure pick-up and a temperature sensor; Described central processing unit also comprises a communication interface and a FLASH chip.
In the utility model one embodiment, described central processing unit is single-chip microcomputer.
In the utility model one embodiment, the model of described AD sampling A/D chip is TI ADS1213E.
In the utility model one embodiment, described keyboard is comprised of four Hall switch.
In the utility model one embodiment, described display screen is the OLED LCDs of a 16*2 dot matrix.
In the utility model one embodiment, described communication interface is the RS485 communication interface.
In the utility model one embodiment, described temperature sensor is platinum resistance thermometer sensor, sensing head PT100.
In the utility model one embodiment, also comprise an independent current source, described independent current source is described integral type rock gas two-phase flow meter power supply.
The utility model does not need to be with that pressure vessel, volume are little, compact conformation, and safety coefficient is high, measuring accuracy is high, can be according to characteristics such as the automatic corrected parameters of fluctuations in discharge, and is significant to the exploitation of oil gas field.
Description of drawings
Fig. 1 is the utility model integral type rock gas two-phase flow meter schematic block circuit diagram.
Fig. 2 is the utility model integral type rock gas two-phase flow meter software control flow chart.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below will by specific embodiment and relevant drawings, the utility model be described in further detail.
The utility model provides a kind of integral type rock gas two-phase flow meter, comprises a central processing unit, it is characterized in that: described central processing unit connects an AD sampling A/D chip, a keyboard and a display screen; Described AD sampling A/D chip connects a pressure transducer, a differential pressure pick-up and a temperature sensor; Described central processing unit also comprises a communication interface and a FLASH chip.
As shown in Figure 1, the present embodiment provides a kind of integral type rock gas two-phase flow meter, comprises a central processing unit 1, it is characterized in that: described central processing unit 1 connects an AD sampling A/D chip 2, a keyboard 3 and a display screen 4; Described AD sampling A/D chip 2 connects a pressure transducer 5, a differential pressure pick-up 6 and a temperature sensor 7; Described central processing unit 1 also comprises a communication interface 8 and a FLASH chip 9.Described central processing unit 1 is single-chip microcomputer.The model of described AD sampling A/D chip 2 is TI ADS1213E.Described keyboard is comprised of four Hall switch, carries out the parameter setting by bar magnet.Described display screen 4 is OLED LCDs of a 16*2 dot matrix.Described communication interface 8 is RS485 communication interfaces.Described temperature sensor 7 is platinum resistance thermometer sensor, sensing head PT100.
In the utility model one preferred embodiment, also comprise an independent current source, described independent current source is described integral type rock gas two-phase flow meter power supply.
Below in conjunction with such as the hardware structure of the present utility model among Fig. 1, in conjunction with software flow, describe the utility model using method in use in detail.As shown in Figure 2, software control may further comprise the steps:
S01: described pressure transducer, differential pressure pick-up and temperature sensor gather corresponding pressure value P, differential pressure value △ P and temperature value T;
S02: described central controller reads described pressure value P, differential pressure value △ P and temperature value T, and according to described differential pressure value △ P calculating noise value R;
S03: described central controller is judged the current state of rock gas according to described pressure value P, differential pressure value △ P and temperature value T; If the gas single-phase flow, then according to GB rock gas algorithm Calculation of Natural Gas; If gas and liquid two-phase mixed flow, then according to two-phase mixed flow algorithm Calculation of Natural Gas;
S04: the gas discharge after will calculating is submitted to the online update the system of expert teacher self-adaptation and is calculated and revise, and gaseous state and liquid instantaneous delivery and the accumulated value that obtains outputed to display screen;
S05: described instantaneous delivery and accumulated value teletransmission are preserved to central control room.
The utility model is according to differential pressure signal measurement gas flow, and the trip temperature of going forward side by side, pressure compensation obtain the gas flow under the status of criterion, by measuring the fluctuating signal of differential pressure, obtains the water percentage in the gas, thereby obtains the flow of liquid.By the variation of software algorithm, also can realize the measurement to different medium, comprise the mediums such as general gas flow, saturated vapour, superheated vapor, rock gas.
Described liquid crystal display can circulate and show gas flow, gas flow accumulated value, fluid flow, fluid flow accumulated value, temperature, pressure.The panel of described button is that the magnetic inductive key number is set, setting value is cut off the power supply forever maintenance, pre-set parameter password locking etc.Also comprise a under-voltage program that automatically resets, the operation irregularity program automatically resets (Watch Dog), and the flow accumulation value keeps during outage, and setup parameter forever keeps.
The utility model is on three-phase flow rate meter develop basis, oil field, set up computation model according to site test and the data analysis of adopting for many years orifice plate noise method to measure two-phase flow, for every implication well design integral type condensation rock gas on-line measurement two-phase flow meter.The measuring equipment of condensation rock gas does not also have ripe product to release at home, the utility model does not need to be with that pressure vessel, volume are little, compact conformation, safety coefficient is high, measuring accuracy is high, can be according to characteristics such as the automatic corrected parameters of fluctuations in discharge, significant to the exploitation of oil gas field.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. an integral type rock gas two-phase flow meter comprises a central processing unit, it is characterized in that: described central processing unit connects an AD sampling A/D chip, a keyboard and a display screen; Described AD sampling A/D chip connects a pressure transducer, a differential pressure pick-up and a temperature sensor; Described central processing unit also comprises a communication interface and a FLASH chip.
2. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: described central processing unit is single-chip microcomputer.
3. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: the model of described AD sampling A/D chip is TI ADS1213E.
4. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: described keyboard is comprised of four Hall switch.
5. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: described display screen is the OLED LCDs of a 16*2 dot matrix.
6. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: described communication interface is the RS485 communication interface.
7. a kind of integral type rock gas two-phase flow meter according to claim 1, it is characterized in that: described temperature sensor is platinum resistance thermometer sensor, sensing head PT100.
8. a kind of integral type rock gas two-phase flow meter according to claim 1 is characterized in that: also comprise an independent current source, described independent current source is described integral type rock gas two-phase flow meter power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618966 CN202903246U (en) | 2012-11-21 | 2012-11-21 | Integrated type natural gas two-phase flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618966 CN202903246U (en) | 2012-11-21 | 2012-11-21 | Integrated type natural gas two-phase flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903246U true CN202903246U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220618966 Expired - Lifetime CN202903246U (en) | 2012-11-21 | 2012-11-21 | Integrated type natural gas two-phase flow meter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964716A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Fluid flow detecting device facilitating selection of position of monitoring point |
| CN104964720A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Gas flow detecting device facilitating selection of installing point |
| CN104977068A (en) * | 2015-07-13 | 2015-10-14 | 成都国光电子仪表有限责任公司 | Flow rate correction device capable of realizing wireless remote control |
| CN105067066A (en) * | 2015-08-12 | 2015-11-18 | 成都国光电子仪表有限责任公司 | Metering method beneficial for improving metering reliability |
| CN105067065A (en) * | 2015-08-12 | 2015-11-18 | 成都国光电子仪表有限责任公司 | Metering method of flow computer |
| CN107300397A (en) * | 2016-04-16 | 2017-10-27 | 上海华电闵行能源有限公司 | Intelligent flow calculus instrument |
| CN107990954A (en) * | 2017-12-27 | 2018-05-04 | 贵州大学 | A kind of new wide-range gas flow detector |
-
2012
- 2012-11-21 CN CN 201220618966 patent/CN202903246U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964716A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Fluid flow detecting device facilitating selection of position of monitoring point |
| CN104964720A (en) * | 2015-07-07 | 2015-10-07 | 成都国光电子仪表有限责任公司 | Gas flow detecting device facilitating selection of installing point |
| CN104977068A (en) * | 2015-07-13 | 2015-10-14 | 成都国光电子仪表有限责任公司 | Flow rate correction device capable of realizing wireless remote control |
| CN105067066A (en) * | 2015-08-12 | 2015-11-18 | 成都国光电子仪表有限责任公司 | Metering method beneficial for improving metering reliability |
| CN105067065A (en) * | 2015-08-12 | 2015-11-18 | 成都国光电子仪表有限责任公司 | Metering method of flow computer |
| CN107300397A (en) * | 2016-04-16 | 2017-10-27 | 上海华电闵行能源有限公司 | Intelligent flow calculus instrument |
| CN107990954A (en) * | 2017-12-27 | 2018-05-04 | 贵州大学 | A kind of new wide-range gas flow detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |