CN102003983A - Intelligent differential pressure balancing flowmeter - Google Patents
Intelligent differential pressure balancing flowmeter Download PDFInfo
- Publication number
- CN102003983A CN102003983A CN 201010580195 CN201010580195A CN102003983A CN 102003983 A CN102003983 A CN 102003983A CN 201010580195 CN201010580195 CN 201010580195 CN 201010580195 A CN201010580195 A CN 201010580195A CN 102003983 A CN102003983 A CN 102003983A
- Authority
- CN
- China
- Prior art keywords
- throttling element
- differential pressure
- pressure
- display
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention belongs to the technical field of IT (Information Technology) industry, and particularly relates to a ZC intelligent differential pressure balancing flowmeter. The intelligent differential pressure balancing flowmeter comprises a pressure sensor, a temperature sensor and a display and is characterized in that a dual self-locking protection regulating valve is arranged at the front end of a throttling element; the front part and the rear part of the throttling element are respectively provided with a pressure tapping ring; the pressure sensor is arranged at the front end of the throttling element; the temperature sensor is arranged at the front end of the throttling element; a capacitance-type pressure difference capsule sensor is connected with the rear end of the throttling element; each parameter signal line is connected with a central processing unit; and the central processing unit is connected with the display. The invention can obviously eliminate the vortex phenomenon generated at both sides of the throttling element and is inimitable by other throttling elements. Moreover, the flowmeter has strong rot resistance and low purchasing cost and can realize bidirectional flow measurement. The high-intelligent meter integrating three elements of pressure, temperature and flow is powered by a lithium battery, does not generate pollution and realize bidirectional flow. The intelligent differential pressure balancing flowmeter has the precision up to 0.3 percent, reaches the world advanced level and fills the domestic blank.
Description
Technical field
The invention belongs to the IT industry technical field, especially a kind of ZC intelligent differential pressure balanced flow meter.
Background technology
At present, all be divided in the IT industry, belong to state key and comfort the industry of holding at China's instrument and meter.The present standard orifice plate flowmeter of using always since have only aperture flow out flow orifice plate in addition two then because structural reason produces vortex phenomenon, and the differential pressure flowmeter of all uses at present all has the straight length requirement, cause the occupation of land space very big like this, cause the product fringe cost to strengthen.In addition, do not tackle the problem at its root fully for anticorrosive property yet.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of ZC intelligent differential pressure balanced flow meter is provided.It is taken into account the existing various defectives of various differential pressure flowmeters and improves design at the standard orifice plate flow; Be to collect temperature, flow, pressure ternary, and have the lithium battery power supply system of environmental protection notion, pollution-free compliance with environmental protection requirements in incorporate high-precision meter.
The present invention realizes that the technical scheme of the purpose of inventing is as follows:
Intelligent differential pressure balanced flow meter, it comprises pressure transducer, temperature sensor and display, and it is to protect variable valve to be located at the front end of throttling element double self locking, and the throttling element front and rear part is equipped with the pressure ring; Described pressure transducer is located at the front end of throttling element, described temperature sensor is located at the throttling element front end, described capacitance differential pressure bellows sensor links to each other with the throttling element front and back end, and described each parameter signal line links to each other with central processing unit, and central processing unit is connected with display;
After its detection method comprises the steps: that fluid is by double self locking protection pressure-regulating valve; before and after throttling element, produce differential pressure signal when flowing into throttling element; this differential pressure signal is input to central processing unit by capacitance differential pressure bellows sensor; after central processing unit is processed into flow signal and together carries out computing by central processing unit with the temperature, the pressure signal parameter that collect; on light-emitting diode display, display is exported 4-20mA normalized current signal simultaneously by wire installation output.
Described throttling element is the porous ceramics throttling element.
Described throttling element, pressure transducer, temperature sensor, capacitance differential pressure bellows sensor are the flowmeter of three-in-one.
Be equipped with pressure port before and after the described throttling element, described capacitance differential pressure bellows sensor is connected with pressure port.
Described differential pressure signal, temperature, pressure signal parameter be outputting standard 4-20mA current signal at the same time or separately.
Described display is furnished with the RS--485 interface.
Described display is furnished with lithium battery power supply or 24V DC power supply, output 4-20 milliampere electric current.
Advantageous effect of the present invention is:
1, the required pressure of double self locking protection variable valve may command with realizing duplicate protection after the set nut locking adjusting screw, has been protected the stable of system pressure when regulating pressure.
2, " porous ceramics throttling element " has the vortex phenomenon that remarkable elimination throttling element both sides are produced, be that other throttling element is incomparable, simultaneously owing to adopt metal material to do protocorm, on this basis ceramic special combined high temperature sintering is carried out on its surface and be made into throttling element, solved the material that antiseptic property is had relatively high expectations, this " porous ceramics throttling element " impact resistance is stronger.Reduce instrument to the straight length requirement, reduce purchase cost, can realize the bidirectional flow measurement.
3, realize the three-in-oneization of temperature, pressure, flow, and can realize exporting simultaneously three kinds of parameter 4-20 standard signals that collect.
4, power supply mode: lithium battery power supply or 24VDC power supply.
5, be furnished with the RS-485 interface and can be connected realization control with computing machine.
The invention belongs to the instrument of high technology content, is to collect temperature, flow, pressure ternary in incorporate instrument and have the lithium battery power supply system of environmental protection notion.Output temperature, pressure, flow standard 4-20mA current signal can link with other control system at the same time or separately, realize control automatically.
Solve vortex phenomenon from principle, significantly reduce flow development length, simultaneously temperature, pressure, differential pressure parameter are directly inputted to the enterprising line data acquisition process of module.All kinds of technological parameters of on-the-spot directly collection are input to module and handle, and the data presentation after will handling is on the LED screen.The user can observe real traffic at the scene, and also exportable standard signal connects with computing machine realizes Long-distance Control.Realize the instrument of the high intelligence of pressure, temperature, flow three-in-oneization, realize lithium battery power supply, pollution-free compliance with environmental protection requirements.
This product invention double self locking protection pressure-regulating valve, " porous ceramics throttling element " afflux amount, temperature, pressure, capacitance differential pressure bellows sensor are in incorporate flow instrument.To handle after each signals collecting, can export 4-20 milliampere normalized current signal at the same time or separately.Can be connected with computing machine and realize automatic control function.Employing has the lithium battery power supply of environmental-protecting performance." porous ceramics throttling element " has high-intensity anti-impact machine performance and Corrosion Protection, solved the corrosion-resistant problem to all Korrosionsmediums.Flowmeter accuracy of the present invention can reach 0.3%, realizes bidirectional flow, and its precision reaches and can arrive advanced international standard, fills the domestic gaps.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Fig. 4 is the A-A face cut-open view of Fig. 3.
Among the figure: flange 1, double self locking protection pressure-regulating valve 2, pressure transducer 3, temperature sensor 4, porous ceramics throttling element 5, pressure ring 6, capacitance differential pressure bellows sensor 7, display 8, connecting pipe 9, wire installation 10.
Below in conjunction with specific embodiments of the invention and accompanying drawing, the present invention is described in detail.
Embodiment
As Fig. 1-shown in Figure 4, Fig. 1 is a structural representation of the present invention, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the side view of Fig. 1, and Fig. 4 is the A-A face cut-open view of Fig. 3.
ZC intelligent differential pressure balanced flow meter of the present invention is formed incorporate flow instrument by double self locking protection pressure-regulating valve 2, pressure transducer 3, temperature sensor 4, display 8, capacitance differential pressure bellows sensor 7, porous ceramics throttling element 5, flange 1, pressure ring 6.
Double self locking protection variable valve 2 is located at the front end of porous ceramics throttling element 5, and throttling element is a porous ceramics throttling element 5, is equipped with pressure ring 6 in the throttling element front and rear part; Described pressure transducer 3 is located at the front end of porous ceramics throttling element 5, and described temperature sensor 4 is located at porous ceramics throttling element 5 front ends.Capacitance differential pressure bellows sensor 7 is connected with the pressure port of porous ceramics throttling element 5 front and back ends.Described each parameter signal line links to each other with central processing unit, and described display screen is furnished with lithium battery power supply or 24VDC power supply, output 4-20 milliampere electric current.
Principle of work of the present invention is as follows: after fluid is transferred to required pressure by double self locking protection pressure-regulating valve 2 with pressure, lock adjusting screw with set nut.To guarantee that intrasystem pressure stability is on an amount.When fluid passes through porous ceramics throttling element 5, produce differential pressure signal in porous ceramics throttling element 5 front and back, this differential pressure signal is input to central processing unit by capacitance differential pressure bellows sensor 7 with differential pressure signal and handles, and is processed into flow signal; The working pressure signal of this moment and temperature data parameter simultaneously by each sensor acquisition to signal together be input to central processing unit and carry out computing, really realize flow, pressure, temperature three-in-oneization.Transmit and export on light-emitting diode display 8 by wire installation 10 through the parameter after calculating.At this moment, can observe instantaneous delivery, integrated flux, pressure, temperature value on display 8, each parameter can be exported 4-20mA normalized current signal at the same time or separately simultaneously, is user-friendly to.Realization is docked with computing machine RS-485 interface can realize Long-distance Control.
During work, protect pressure-regulating valve 2 to mix up double self locking by the working pressure demand, when fluid passes through porous ceramics throttling element 5, produce high pressure at porous ceramics throttling element 5 front ends, produce low pressure in porous ceramics throttling element 5 rear ends, produce differential pressure signal this moment at pressure ring 6 places of porous ceramics throttling element 5 front and back ends, this differential pressure signal is sent to capacitance differential pressure bellows sensor 7 by connecting pipe 9 and converts standard signal to and be sent to display 8; By pressure transducer 3 working pressure data at this moment are sent to display 8; By temperature sensor 4 working temperature data at this moment are sent to display 8.Display 8 converts flow signal to by the central processing unit computing after receiving differential pressure signal, display 8 participates in the flow computing by the central processing unit computing after receiving pressure signal, display 8 participates in the flow computing by the central processing unit computing after receiving temperature signal, and display 8 exportable 4-20mA normalized currents and computer networking realize control automatically.
The detection method of ZC intelligent differential pressure balanced flow meter of the present invention is as follows:
1, open double self locking protection required pressure of pressure-regulating valve gate control and flow, fluid produces differential pressure during by porous ceramics throttling element 5, by capacitance differential pressure bellows sensor 7 differential pressure signal is sent to central processing unit by pressure port.
When 2, fluid is by porous ceramics throttling element 5, working pressure, medium temperature under the work condition state that produces are transferred to central processing unit by pressure transducer 3, temperature sensor 4.
3, central processing unit carries out the various types of signal that collects to output on the light-emitting diode display 8 after the computing, flow, pressure, temperature and semi-invariant under the strong attitude of demonstration work on the display 8.
4, display 8 can maybe can be exported the standard 4-20mA current signal and the computer networking use of each parameter simultaneously respectively, and can realize Long-distance Control.
The key technical indexes of the present invention is as follows:
1, accuracy of instrument: ± 1.5%; 2, working pressure :≤1.6MPa;
3, serviceability temperature :-20-80 ℃; 4, relative humidity :≤80%;
5, flow range: 10-800L/min; 6, supply voltage: battery 3.6V or 24V direct supply;
7, the static discharge grade is 3 grades; 8, the radio frequency electromagnetic field radiation grade is 3 grades;
9, the power frequency magnetic field grade is 3 grades; 10, interface: RS-485.
Claims (7)
1. intelligent differential pressure balanced flow meter, it comprises pressure transducer, temperature sensor and display, it is characterized in that:
Double self locking protection variable valve (2) is located at the front end of throttling element (5), and throttling element (5) front and rear part is equipped with pressure ring (6); Described pressure transducer (3) is located at the front end of throttling element (5), described temperature sensor (4) is located at throttling element (5) front end, described capacitance differential pressure bellows sensor (7) links to each other with throttling element (5) front and back end, described each parameter signal line links to each other with central processing unit, and central processing unit is connected with display (8);
Its detection method comprises the steps:
After fluid is protected pressure-regulating valve (2) by double self locking; before and after throttling element (5), produce differential pressure signal when flowing into throttling element (5); this differential pressure signal is input to central processing unit by capacitance differential pressure bellows sensor (7); after central processing unit is processed into flow signal and together carries out computing by central processing unit with the temperature, the pressure signal parameter that collect; on light-emitting diode display (8), display (8) is exported 4-20mA normalized current signal simultaneously by wire installation (10) output.
2. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described throttling element (5) is the porous ceramics throttling element.
3. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described throttling element (5), pressure transducer (3), temperature sensor (4), capacitance differential pressure bellows sensor (7) are the flowmeter of three-in-one.
4. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described throttling element 5 front and back are equipped with pressure port, and described capacitance differential pressure bellows sensor (7) is connected with pressure port.
5. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described differential pressure signal, temperature, pressure signal parameter be outputting standard 4-20mA current signal at the same time or separately.
6. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described display (8) is furnished with the RS--485 interface.
7. intelligent differential pressure balanced flow meter according to claim 1 is characterized in that: described display (8) is furnished with lithium battery power supply or 24V DC power supply, output 4-20 milliampere electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010580195 CN102003983A (en) | 2010-12-09 | 2010-12-09 | Intelligent differential pressure balancing flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010580195 CN102003983A (en) | 2010-12-09 | 2010-12-09 | Intelligent differential pressure balancing flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102003983A true CN102003983A (en) | 2011-04-06 |
Family
ID=43811538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010580195 Pending CN102003983A (en) | 2010-12-09 | 2010-12-09 | Intelligent differential pressure balancing flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003983A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4903649A (en) * | 1987-03-12 | 1990-02-27 | Brunswick Corporation | Fuel supply system with pneumatic amplifier |
| EP0783098A1 (en) * | 1996-01-05 | 1997-07-09 | Waldner Laboreinrichtungen GmbH & Co. | Device for measuring the effective differential pressure of a gas stream |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN201152760Y (en) * | 2008-02-22 | 2008-11-19 | 重庆嘉渝仪表有限公司 | Integrated intelligent inner cone type flow meter |
| CN201237513Y (en) * | 2008-06-30 | 2009-05-13 | 洛阳聚能自动化仪表有限公司 | Integrated intelligent differential pressure type mass flowmeter |
| CN201964910U (en) * | 2010-12-09 | 2011-09-07 | 沈阳北星仪表制造有限公司 | Intelligent differential pressure balance flow meter |
-
2010
- 2010-12-09 CN CN 201010580195 patent/CN102003983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4903649A (en) * | 1987-03-12 | 1990-02-27 | Brunswick Corporation | Fuel supply system with pneumatic amplifier |
| EP0783098A1 (en) * | 1996-01-05 | 1997-07-09 | Waldner Laboreinrichtungen GmbH & Co. | Device for measuring the effective differential pressure of a gas stream |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN201152760Y (en) * | 2008-02-22 | 2008-11-19 | 重庆嘉渝仪表有限公司 | Integrated intelligent inner cone type flow meter |
| CN201237513Y (en) * | 2008-06-30 | 2009-05-13 | 洛阳聚能自动化仪表有限公司 | Integrated intelligent differential pressure type mass flowmeter |
| CN201964910U (en) * | 2010-12-09 | 2011-09-07 | 沈阳北星仪表制造有限公司 | Intelligent differential pressure balance flow meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209102173U (en) | A kind of Intelligent water meter of Internet of things | |
| CN201964910U (en) | Intelligent differential pressure balance flow meter | |
| CN203745011U (en) | Small-caliber differential pressure type intelligent water meter | |
| CN205028093U (en) | Water injection remote control current stabilizer | |
| CN102003983A (en) | Intelligent differential pressure balancing flowmeter | |
| CN206638708U (en) | A kind of three-phase power parameter real time monitoring system | |
| CN202915968U (en) | Polycrystalline silicon reducing furnace air inflow measuring device | |
| CN201555597U (en) | Multifunctional transducer | |
| CN202533120U (en) | Wide-range gas flowmeter integrating instrument | |
| CN201583294U (en) | Natural gas integrated intelligent differential pressure type flowmeter | |
| CN209927210U (en) | Diaphragm gas meter with special card for private network | |
| CN202711045U (en) | Digital communication card of weighing controller | |
| CN204461526U (en) | pressure signal flow digital display instrument | |
| CN207096764U (en) | Pressure acquisition module | |
| CN203349897U (en) | Powdery material level detecting and controlling circuit | |
| CN208091512U (en) | A kind of novel rotz flowmeter | |
| CN207081824U (en) | High-accuracy direct current standard electric energy meter | |
| CN202453024U (en) | Flow totalizer provided with wireless communication module and field communication bus | |
| CN201974213U (en) | Oil quantity measuring device of intelligent bus-transmission aircraft | |
| CN204007773U (en) | High pressure aperture meter | |
| CN205719132U (en) | A kind of Novel ultrasonic low water meter | |
| CN205246263U (en) | Digital circuit is gathered to variable range of modularization pressure detection data | |
| CN204405106U (en) | A kind of coal powder density speed on-line measurement device | |
| CN215261897U (en) | Online high accuracy steam flow metering device | |
| CN205066832U (en) | Flow metering device of wide range ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |