CN201583294U - Natural gas integrated intelligent differential pressure type flowmeter - Google Patents
Natural gas integrated intelligent differential pressure type flowmeter Download PDFInfo
- Publication number
- CN201583294U CN201583294U CN2009202430691U CN200920243069U CN201583294U CN 201583294 U CN201583294 U CN 201583294U CN 2009202430691 U CN2009202430691 U CN 2009202430691U CN 200920243069 U CN200920243069 U CN 200920243069U CN 201583294 U CN201583294 U CN 201583294U
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- differential pressure
- flowmeter
- pressure type
- type flowmeter
- power supply
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Abstract
The utility model discloses a natural gas integrated intelligent differential pressure type flowmeter which is matched with a standard orifice plate throttling gear for use and includes a monocrystalline silicon resonant mode differential pressure and pressure compound sensor, a liquid crystal panel, a metering mainboard, a user connecting frame, a back power inside a flowmeter and a flowmeter shell; wherein the monocrystalline silicon resonant mode differential pressure and pressure compound sensor is connected with the metering mainboard through a data line; the liquid crystal panel, the metering mainboard, the user connecting frame, and the back power inside the flowmeter are connected by a connector in sequence; and the back power inside the flowmeter is arranged at the outermost end which is convenient for dismounting and guarantees a user to be incapable of implementing further operation unless the user cuts off the power before connecting, meets the operating code, and is safe and reliable. The back power inside the flowmeter is integrated with an anti-charging device, a safe circuit breaker and a disposable 3.6V/12Ah replaceable lithium-argon battery. The natural gas integrated intelligent differential pressure type flowmeter has the advantages of high metering precision, high reliability, low cost and strong field adaptability.
Description
Technical field
The utility model relates to a kind of measuring apparatus technical field, relates in particular to a kind of rock gas integrated intelligent differential pressure type flowmeter.
Background technology
The present metering method in the defeated station of China's natural gas collection mainly contains three major types: the one, and differential pressure flowmeter; The 2nd, velocity flowmeter; The 3rd, volumeter.Wherein, the application of the standard orifice plate flowmeter of differential pressure type is the most general, especially measures in the particularly Settlement for Internatioanal Trade metering in handing-over metering, clearing, and most of this mode that adopts is measured.Certainly, this is inseparable with science, accuracy, comparability and the reliability institute of this metering method.But since there is gas industry in new China and computer technology between the decades before popularizing as yet, national gas gathering and transportation station mainly adopts the mechanical differential pressure type flowmeter of certain factory to measure.Because this inadequate natural endowment (for the intelligence sensor measuring technique) on precision of mechanical type measuring method, add that the precision of mechanical differential pressure flowmeter and metering result's authenticity, reliability are all had a greatly reduced quality in repeatedly manual participate in (for the computer technology) in the computation process.But be not used for as yet under the condition in this field in computer technology and intelligence sensor measuring technique, this also is kind of a helpless unique selection.
To the nineties middle and later periods in last century, computer technology and intelligence sensor measuring technique begin to be used for this field and progressively obtain promoting, and mechanical differential pressure flowmeter just begins this field of fading out.But because safety and power supply guarantee aspect based on the differential pressure flowmeter of computer technology and intelligence sensor measuring technique, still are difficult to popularize (as remote gas recovery well station and gas transmission station) so far.This be because:
1. it need dispose civil power at the scene, so that to computing machine and transmitter (being the normalized sensor of output valve) power supply, yet numerous remote gas recovery well station and gas transmission station do not have this condition;
If 2. in remote gas recovery well station and gas transmission station, under the prerequisite that computing machine and transmitter are not set, can be extensive use of a on the market flowmeter of making by U.S. company at present, but there is bigger potential safety hazard in the flowmeter that the said firm makes, mainly show the following aspects: this flowmeter one is in the centre with the electric supply installation design, terminal block is set up meter in outermost end, and the user gets final product wiring under the situation of not cutting off the power supply.This just seriously conflicts with the working specification of " can carry out the wiring operation after the outage ", and then accidents caused easily.The 2nd, non-rechargeabel battery is only guaranteed safety with a diode, and external power supply is in parallel with self-contained battery, if diode damages, might cause major accident.The 3rd, to the measuring parameter of flowmeter be provided with, revise or and when the sensor in the flowmeter calibrated, all need just can carry out by external PC.And flowmeter all is operated in inflammable and explosive place, uses external PC seriously violating the regulations at this environment, is serious potential safety hazard.
The utility model content
At above-mentioned weak point, the purpose of this utility model is to provide a kind of measuring accuracy height, reliability height, low, the on-the-spot adaptable rock gas integrated intelligent differential pressure type flowmeter of cost.
In order to achieve the above object, the utility model has adopted following technical scheme: a kind of rock gas integrated intelligent differential pressure type flowmeter, the matching standard throttle orifice plate apparatus uses, comprise rearmounted power supply and meter case in monocrystalline silicon resonant mode differential pressure and pressure compound sensor, liquid crystal panel, metering mainboard, terminal block frame, the table, it is characterized in that: described monocrystalline silicon resonant mode differential pressure is connected with the metering mainboard by data line with pressure compound sensor; Rearmounted power supply is linked in sequence by unitor in described liquid crystal panel, metering mainboard, terminal block frame and the table, and the interior rearmounted power distribution of table is in outermost end.
Rearmounted power supply is integrated with anti-charging device, safe breaker device and the replaceable lithium argon of disposable 3.6V/12Ah battery in the described table.
Described liquid crystal panel is integrated with graphic lcd, touches keyboard and wireless Zigbee network communication interface.
Described metering mainboard is integrated with a data acquisition unit, a flow integrator and a data storage.
Described terminal block frame is integrated with temperature sensor interface, solar cell plate interface, 24V power interface and wired RS485 network communication interface.
The beneficial effects of the utility model are:
In the utility model, rearmounted power supply is linked in sequence by unitor in liquid crystal panel, metering mainboard, terminal block frame and the table, so terminal block is set up meter in the centre, rearmounted power supply is arranged on outermost end in will showing, make the user wiring the time, must need at first to extract that rearmounted power supply makes its outage just can carry out wiring in the table, so but avoided the also safety defect that brings of this violation operation of wiring under the situation of not cutting off the power supply of user in the past.
The utility model is integrated with anti-charging device and safe breaker device in the rearmounted power supply in table, battery is when also being connected to external power supply (24V power supply or solar panel) in the utility model is equipped with table, and the external power supply that those might the interior battery charge of his-and-hers watches all can not charge to it.And all, be equivalent to without any external power supply with automatic cutout and inefficacy.So avoided adopting a diode to guarantee safety,, might cause this safety defect of major accident in the past if diode damages.
The utility model flowmeter Overall Power Consumption≤12mW (not having communication), the disposable replaceable lithium argon battery of standard configuration 3.6V/12Ah, available about 1 year.
The utility model flowmeter working power is supported: power supply, instrument power 24V DC, solar panel in the table.
The utility model is that the matching standard throttle orifice plate apparatus uses, by temperature, the pressure of convection cell measure automatically, the integrated intelligent differential pressure type flowmeter of compensation, integrating.It, calculates gas discharge and correlation parameter according to relative national standards automatically by automatically measuring pressure, temperature and the differential pressure of natural gas flow when orifice plate, and shows on the spot, stores and upload measuring parameter.The manufacturing of this product is according to company standard " Q/67434341-3.1-2008 ", with present state-of-the-art monocrystalline silicon resonant mode compound sensor is measuring sensor, adopt accurate algorithm, eliminated the influence of temperature, static pressure to measured value, and parts such as sensor, flow integrator, display, keyboard, power supply, communication interface are integrated, have that measuring accuracy height, reliability height, single-track overload ability are strong, low in energy consumption, an advantage such as compact conformation, easy to install, classification password authorization perfect in shape and function, log management and Report Server Management are multiple functional.Having realized the integrated and miniaturization of transmitter and flow computer, is the desirable flow-meter in gas gathering and transportation station.
The utility model is by gathering natural gas flow automatically in real time through restricting element--the differential pressure during standard orifice plate, pressure and temperature signal, and the ultimate principle of foundation " flow of fluid is directly proportional with its square root of flowing through the pressure reduction that restriction device produced ", according to GB GB/T 21446-2008 (or rower SY/T 6143-2004) " with standard orifice plate flowmeter survey gas discharge ", carry out the correlation computations of gas discharge.Show differential pressure value, force value, temperature value, battery electric quantity, duty, the current time of gathering in real time on the one hand on the spot, show the instantaneous delivery and the integrated flow that behind temperature and pressure compensation, calculate, and a part of data and daily record of work are saved on this machine; These data and daily record of work can be carried out telemanagement with the PC (host computer) that wired or wireless mode is uploaded to the pulpit on the other hand.
Therefore, become a reality based on the mechanical differential pressure type flowmeter of popularizing and replace of the intelligent differential pressure flowmeter of computer technology and intelligent sensor technology comprehensively, its economy and performance index, security, reliability, on-the-spot adaptability etc. all satisfy field demand.
The utility model is connected with the standard orifice plate restriction device with connecting pipe.
Description of drawings
Fig. 1 structural representation of the present utility model
1. by monocrystalline silicon resonant mode differential pressure and pressure compound sensor among the figure; 2. liquid crystal panel; 3. metering mainboard; 4. terminal block frame; 5. rearmounted power supply in showing; 6. meter case.
Embodiment
Below we will be described further the utility model in conjunction with the accompanying drawings.
As shown in Figure 1, rock gas integrated intelligent differential pressure type flowmeter, parts such as rearmounted power supply, meter case in monocrystalline silicon resonant mode differential pressure and pressure compound sensor, liquid crystal panel, metering mainboard, terminal block frame, the table are organically being combined together, wherein monocrystalline silicon resonant mode differential pressure and pressure compound sensor by data line with measure mainboard and be connected; Rearmounted power supply is linked in sequence by unitor in liquid crystal panel, metering mainboard, terminal block frame and the table, and rearmounted power distribution is in outermost end in the table, be convenient to dismounting and guarantee that the user must elder generation's outage just can carry out next step operation before wiring, the match operation standard, safe and reliable.
Rearmounted power supply is integrated with anti-charging device, safe breaker device and the replaceable lithium argon of disposable 3.6V/12Ah battery in the table.When stream the utility model is equipped with in the table battery when also being connected to external power supply (24V power supply or solar panel), the external power supply that those might the interior battery charge of his-and-hers watches all can not charge to it.And all, be equivalent to without any external power supply with automatic cutout and inefficacy.So avoided adopting a diode to guarantee safety,, might cause this safety defect of major accident in the past if diode damages.
Described liquid crystal panel is integrated with graphic lcd, touches keyboard and wireless Zigbee network communication interface.Graphic lcd be except can showing instantaneous volume flow rate, cumulative volume flow, pressure, differential pressure temperature value and electric supply installation voltage, can also be provided with, revise measuring parameter or and the sensor in the flowmeter be calibrated by touching keyboard.PC (host computer) by wireless Zigbee network communication interface can be uploaded to the pulpit wirelessly with the data obtained and daily record of work carries out telemanagement.
Described metering mainboard be integrated with a data acquisition unit, a flow integrator and-data storage.
Described terminal block frame is integrated with temperature sensor interface, solar cell plate interface, 24V power interface and wired RS485 network communication interface.But external power supply, external solar panel.
The utility model matching standard throttle orifice plate apparatus uses, and adopts connecting pipe to be connected with the standard orifice plate restriction device.
Claims (5)
1. rock gas integrated intelligent differential pressure type flowmeter, the matching standard throttle orifice plate apparatus uses, comprise rearmounted power supply (5) and meter case (6) in monocrystalline silicon resonant mode differential pressure and pressure compound sensor (1), liquid crystal panel (2), metering mainboard (3), terminal block frame (4), the table, it is characterized in that: described monocrystalline silicon resonant mode differential pressure is connected with metering mainboard (3) by data line with pressure compound sensor (1); Rearmounted power supply (5) is linked in sequence by unitor in described liquid crystal panel (2), metering mainboard (3), terminal block frame (4) and the table, and rearmounted power supply (5) is distributed in outermost end in the table.
2. rock gas integrated intelligent differential pressure type flowmeter according to claim 1 is characterized in that: rearmounted power supply (5) is integrated with anti-charging device, safe breaker device and the replaceable lithium argon of disposable 3.6V/12Ah battery in the described table.
3. rock gas integrated intelligent differential pressure type flowmeter according to claim 1 is characterized in that: described liquid crystal panel (2) is integrated with graphic lcd, touches keyboard and wireless Zigbee network communication interface.
4. rock gas integrated intelligent differential pressure type flowmeter according to claim 1 is characterized in that: described metering mainboard (3) is integrated with a data acquisition unit, a flow integrator and a data storage.
5. rock gas integrated intelligent differential pressure type flowmeter according to claim 1 is characterized in that: described terminal block frame (4) is integrated with temperature sensor interface, solar cell plate interface, 24V power interface and wired RS485 network communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202430691U CN201583294U (en) | 2009-11-09 | 2009-11-09 | Natural gas integrated intelligent differential pressure type flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202430691U CN201583294U (en) | 2009-11-09 | 2009-11-09 | Natural gas integrated intelligent differential pressure type flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583294U true CN201583294U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202430691U Expired - Lifetime CN201583294U (en) | 2009-11-09 | 2009-11-09 | Natural gas integrated intelligent differential pressure type flowmeter |
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| CN (1) | CN201583294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333915A (en) * | 2014-08-10 | 2016-02-17 | 上海卡曼测控系统有限公司 | IOT energy measurement collection mechanism |
| CN105783993A (en) * | 2016-03-21 | 2016-07-20 | 安徽工程大学 | Temperature and relative humidity integrated sensor |
| CN116929469A (en) * | 2023-09-18 | 2023-10-24 | 四川蜀谷仪表科技有限公司 | Differential pressure flowmeter high-low pressure conversion method and differential pressure flowmeter flow measuring method |
-
2009
- 2009-11-09 CN CN2009202430691U patent/CN201583294U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333915A (en) * | 2014-08-10 | 2016-02-17 | 上海卡曼测控系统有限公司 | IOT energy measurement collection mechanism |
| CN105783993A (en) * | 2016-03-21 | 2016-07-20 | 安徽工程大学 | Temperature and relative humidity integrated sensor |
| CN105783993B (en) * | 2016-03-21 | 2018-01-30 | 安徽工程大学 | Integrated temperature relative humidity sensor |
| CN116929469A (en) * | 2023-09-18 | 2023-10-24 | 四川蜀谷仪表科技有限公司 | Differential pressure flowmeter high-low pressure conversion method and differential pressure flowmeter flow measuring method |
| CN116929469B (en) * | 2023-09-18 | 2024-01-30 | 四川蜀谷仪表科技有限公司 | Differential pressure flowmeter high-low pressure conversion method and differential pressure flowmeter flow measuring method |
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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 |
Granted publication date: 20100915 |
|
| CX01 | Expiry of patent term |