CN104236681B - Liquid level gauge remote calibration device and method - Google Patents
Liquid level gauge remote calibration device and method Download PDFInfo
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- CN104236681B CN104236681B CN201410505203.6A CN201410505203A CN104236681B CN 104236681 B CN104236681 B CN 104236681B CN 201410505203 A CN201410505203 A CN 201410505203A CN 104236681 B CN104236681 B CN 104236681B
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Abstract
The invention discloses a kind of liquid level gauge remote calibration device and method.The present invention is to be provided with water-output flange, the outlet pipe of water-output flange to be provided with hand-operated valve on the tank body of geometry metering-orifice standard pipe road bottom, and the water outlet tube end of water-output flange is provided with motor-driven valve and titting water outlet；Water-in flange is also equipped with device, hand-operated valve is installed on the water inlet pipe of water-in flange, the water inlet tube end of water-in flange is provided with motor-driven valve and admitting pipe joint, flow straightener is installed inside the corresponding device of water-in flange, current stabilization baffle plate is installed, current stabilization baffle plate two ends are arranged on body outside flow straightener.By provided with standard structure and liquid level gauge structure, detection means liquid level simultaneously carries out transmission of quantity value, ensure measurement instrument use accurately and reliably, it is condition controlled, device uses integral structure, it is easily installed, debug and moves, it is easy to safeguard, runs with operating, and full-automatic, complete manual or its combination tank installation is designed with according to user's request.
Description
Technical field
The invention belongs to flow measurement technical field, it is related to a kind of liquid level gauge remote calibration device and method.
Background technology
At present, existing level gauge calibrating mode is not very accurate, in existing device global design, without liquid level inspection
Survey and regulatory function, therefore, when in use, it is impossible to observe level condition in time, it is necessary to be detected by other aids,
And by controlling liquid level manually, it is extremely inconvenient using operation.Also, existing device is safeguarded, operating difficulties, it has not been convenient to used
Person uses.
The content of the invention
The present invention is in order to solve the above technical problems, there is provided liquid level gauge remote calibration device and method, so as to realize to dress
The purpose that liquid level in putting is detected.
To achieve these goals, the present invention uses following technical scheme：
The tubular tank body top center position of the present invention is additionally provided with servo liquidometer company provided with a circle connecting hole, tank body top
Acting flange and radar level gauge adpting flange；Tank body top side is provided with row's geometry metering-orifice standard pipe road from top to bottom, each
Geometry metering-orifice standard pipe is provided with screw thread magnetic valve on road；Magnetostriction is installed on the tank body of geometry metering-orifice standard pipe road side
Mangneto is provided with by magnetostriction liquidometer adpting flange at the top of liquid level gauge installation pipeline, magnetostriction liquidometer installation pipeline
Flexible liquid level gauge；Water outlet backup flange is installed on the tank body of magnetostriction liquidometer installation pipeline bottom；Geometry metering-orifice standard
It is provided with the tank body of BOP on water-output flange, the outlet pipe of water-output flange and hand-operated valve is installed, the water outlet of water-output flange
Tube end is provided with motor-driven valve and titting water outlet；It is also equipped with installing on water-in flange, the water inlet pipe of water-in flange on tank body
There is hand-operated valve, the water inlet tube end of water-in flange is provided with motor-driven valve and admitting pipe joint, the corresponding tank body of water-in flange
Portion, which is provided with outside flow straightener, flow straightener, is provided with current stabilization baffle plate, and current stabilization baffle plate two ends are arranged on tank body；Tank body lower part is also pacified
Flange, water outlet backup flange, water outlet backup flange and flange are imported and exported equipped with artificial；Pacify on tank body at the top of water-in flange
Equipped with glass tube, glass tube is provided with dial；Water-in flange side, which is provided with gearbox, gearbox, is provided with servo electricity
Leading screw is installed side by side on machine, servomotor and polished rod is oriented to, camera is arranged on leading screw；Artificial import and export flange side
Pressure gauge mounting hole is installed on tank body.
Wherein, described flow straightener is provided with multiple through holes.
Wherein, described dial is straight steel ruler or slide measure.
Wherein, described magnetostriction liquidometer is as working stamndard measuring device, and described geometry metering-orifice standard pipe road is used for
Calibration measuring device.
Wherein, described geometry metering-orifice standard pipe road according to standard magnetic stretch liquid level gauge range on pipeline bound cloth
Put, be opened and closed by solenoid valve control, liquid level in standard is reached fixed height.
Wherein, described flange is used to install connection magnetic float level indicator, and its geometric center is arranged on tank body
Zero-reference position.
Wherein, described servo liquidometer adpting flange installs servo liquidometer, and radar level gauge adpting flange installs thunder
Up to liquid level gauge.
Liquid level gauge remote calibration method is carried out using said apparatus, when examining and determine liquid level gauge, the flexible liquid level gauge of magnetic
It is compared as standard with tested liquid level gauge, automatic Verification is then carried out according to different types of liquid level gauge vertification regulation.
When standard needs calibrating, the respective valves for controlling geometry metering-orifice standard pipe road by computer are switched, and maintain level value
In constant altitude, using, on-line amending can be carried out to standard at 2 points at 3 points.
Beneficial effects of the present invention：By the way that provided with standard structure and liquid level gauge structure, detection means liquid level is simultaneously measured
Value transmission, it is ensured that the use of measurement instrument accurately and reliably, it is condition controlled, device uses integral structure, Stability Analysis of Structures, is easy to peace
Dress, debugging and mobile, be easy to safeguard, manage, run with operation, and according to user's request be designed with it is full-automatic, complete manual or its
With reference to tank installation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The general structure schematic diagram that Fig. 1 is provided by the embodiment of the present invention；
One direction structure schematic diagram of bottom of device that Fig. 2 is provided by the embodiment of the present invention；
Bottom of device another direction structure schematic diagram that Fig. 3 is provided by the embodiment of the present invention；
Bottom of device another structural representation that Fig. 4 is provided by the embodiment of the present invention；
The device top structure schematic diagram that Fig. 5 is provided by the embodiment of the present invention；
Motor-driven valve and hand-operated valve structural representation that Fig. 6 is provided by the embodiment of the present invention；
The magnetostriction liquidometer structural representation that Fig. 7 is provided by the embodiment of the present invention；
The electromagnetic valve structure schematic diagram that Fig. 8 is provided by the embodiment of the present invention；
In figure, 1. servo liquidometer adpting flanges, 2. radar level gauge adpting flanges, 3. connecting holes, 4. geometry metering-orifice marks
Quasi- pipeline, 5. magnetostriction liquidometer installation pipelines, 6. glass tubes, 6.1. dials, 7. artificial import and export flanges, 8. enter water law
Orchid, 9. first water outlet backup flanges, 10. water-output flanges, 11. second water outlet backup flanges, 12. pressure gauge mounting holes, 13. interfaces
Flange, 14. current stabilization baffle plates, 15. flow straighteners, 16. motor-driven valves, 17. hand-operated valves, 18. admitting pipe joints, 19. titting water outlets,
20. camera, 21. leading screws, 22. are oriented to polished rod, 23. servomotors, 24. gearboxes, 25. magnetostriction liquidometers, 25.1. magnetic
Cause flexible liquid level gauge adpting flange, 26. screw thread magnetic valves.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate this
Invention rather than limitation the scope of the present invention.The implementation condition used in embodiment can be done into one according to the condition of specific producer
Successive step, unreceipted implementation condition is usually the condition in normal experiment.
Fig. 1 to Fig. 8 is refer to, in the present embodiment there is provided liquid level gauge remote calibration device and method, in tank body top
Entreat position provided with a circle connecting hole 3, tank body top is additionally provided with servo liquidometer adpting flange 1 and radar level gauge adpting flange 2；
Tank body top side is provided with row's geometry metering-orifice standard pipe road 4, each geometry metering-orifice standard pipe road 4 and is provided with spiral shell from top to bottom
Line magnetic valve 26；Magnetostriction liquidometer installation pipeline 5 is installed on the tank body of the side of geometry metering-orifice standard pipe road 4, mangneto is stretched
The top of contracting liquid level gauge installation pipeline 5 is provided with magnetostriction liquidometer 25 by magnetostriction liquidometer adpting flange 25.1；Magnetic
First water outlet backup flange 9 is installed on the tank body for causing the flexible bottom of liquid level gauge installation pipeline 5；The bottom of geometry metering-orifice standard pipe road 4
It is provided with the tank body in portion on water-output flange 10, the outlet pipe of water-output flange 10 hand-operated valve 17 is installed, water-output flange 10 goes out
Water pipe end is provided with motor-driven valve 16 and titting water outlet 19；Water-in flange 8, the water inlet of water-in flange 8 are also equipped with tank body
Hand-operated valve 17 is installed, the water inlet tube end of water-in flange 8 is provided with motor-driven valve 16 and admitting pipe joint 18, water-in flange on pipe
8 corresponding tank interiors, which are provided with outside flow straightener 15, flow straightener 15, is provided with current stabilization baffle plate 14, the two ends of current stabilization baffle plate 14 peace
On tank body；Tank base is also equipped with manually importing and exporting flange 7, the first water outlet backup flange 9, the second water outlet backup flange
11 and flange 13；Glass tube 6 is installed, glass tube 6 is provided with dial 6.1 on the tank body at the top of water-in flange 8；Water inlet
The side of flange 8, which is provided with gearbox 24, gearbox 24, is provided with servomotor 23, and leading screw is provided with side by side on servomotor 23
21 are arranged on leading screw 21 with guiding polished rod 22, camera 20；Pressure gauge is installed on the artificial tank body for importing and exporting the side of flange 7
Mounting hole 12.
Further, described flow straightener 15 is provided with multiple through holes, and liquid flows into tank body by the through hole of flow straightener 15
Inside, leads to and carries out current stabilization again in current stabilization baffle plate 14 excessively, rises so that the pasta of liquid is stable, meanwhile, pass through servomotor
23 control leading screws 21 and the guiding synchronous axial system of polished rod 22, camera 20 are rotated upwardly and downwardly on leading screw 21, are easy to remote detection liquid level
Situation is risen or fallen, with reference to the Internet of Things sharing functionality of upper computer software, the final remote calibration realized to liquid level gauge.
Further, described dial 6.1 is straight steel ruler or slide measure, the artificial inspection for liquid level in tank body
Fixed, tank body manually imports and exports flange 7, before water is injected into tank body, can be manually entered tank interior and tested liquid level gauge is entered
Row installation and regulation, it is artificial to import and export after the sealing of flange 7, can be to tank interior water filling.
Further, it is also equipped with that hand-operated valve 17 is installed on water-in flange 8, the water inlet pipe of water-in flange 8 on tank body, enters
The water inlet tube end of water law orchid 8 is provided with motor-driven valve 16 and admitting pipe joint 18, when need repairing motor-driven valve 16 when, manual-lock
Hand-operated valve 17 on water inlet pipe, prevent the liquid in tank from flowing out, and are easy to maintenance；Hand-operated valve is installed on the outlet pipe of water-output flange 10
17, the water outlet tube end of water-output flange 10 is provided with motor-driven valve 16 and titting water outlet 19, when need repairing hand-operated valve 17 when, hand
The dynamic hand-operated valve 17 closed on outlet pipe, prevents the liquid in tank from flowing out, and is easy to maintenance.
Further, described magnetostriction liquidometer 25 is working stamndard measuring device, described geometry metering-orifice standard pipe road 4
For calibration measuring device, working stamndard measuring device is used to examine and determine other tested liquid level gauges, and calibration measuring device is used for calibration operation mark
Quasi- measuring device, on-line amending is carried out to it, so as to improve test stone.
Further, the first described water outlet backup flange 9, the second water outlet backup flange 11 are sealing flange.
Further, described flange 13 is used to install connection magnetic float level indicator, and its geometric center is arranged on
The zero-reference position of tank body.
Further, described servo liquidometer adpting flange 1 installs servo liquidometer, radar level gauge adpting flange 2
Radar level gauge is installed, magnetic float level indicator, servo liquidometer and radar level are calculated as test solution position meter, radar level gauge phase
The waveguide pipe of connection, waveguide pipe is a kind of pipe of hollow, inwall very bright and clean metal catheter or interior metallisation；Waveguide pipe
Pipe is used for transmitting uhf electromagnetic wave, and destination can be sent to minimum loss by its pulse signal；In waveguide
The size in footpath is different because of the wavelength of transmitted signal；It is used for the nothings such as centimetre radio communication for involving millimeter wave, radar, navigation
Line electrical domain.
The operation principle of the present invention：It is correct first that the tested liquid level gauge such as servo liquidometer and radar level gauge, pressure are installed
Pressure gauge is installed on table mounting hole 12, by the artificial flange seal of import and export flange 7 of tank body, starts the calibrating of up stroke, for example
0-1M range liquid level gauges are examined and determine, water pump is opened, the magnetic valve in outlet pipeline is opened, open manual in inlet pipeline
Valve, when reaching lowermost first geometry metering-orifice to water level, tested liquid level gauge and magnetostriction liquidometer are read by software
The indicating value of standard set-up, until liquid level gauge rises to upper limit of detection, closes each valve, by the height value of set point and magnetostriction
The indicating value of liquid level gauge standard set-up is modified, and the numerical value of whole correction result and tested liquid level gauge is compared, and completing should
The calibration operation of up stroke in range；When carrying out the calibrating of down stroke, the magnetic valve of water lines is got using software, makes liquid level slow
It is slow to decline, and during to each calibrating point, the indicating value of tested liquid level gauge and magnetostriction liquidometer standard set-up is read by software,
Until liquid level gauge zero, is modified to result, the process of value testing and return difference calibrating is completed.In above process, pass through
Servomotor 23 controls leading screw 21 and is oriented to the synchronous axial system of polished rod 22, and camera 20 is rotated upwardly and downwardly on leading screw 21, is easy to long-range
Detection liquid level rises or falls situation, with reference to the Internet of Things sharing functionality of upper computer software, finally realizes to the long-range of liquid level gauge
Calibration.When needing independent standard verification device magnetostriction liquidometer (25), geometry metering-orifice standard pipe road is controlled by computer
(4) respective valves switch, is made level value maintain constant altitude, standard can online be repaiied using 2 points, 3 points
Just, the stability and accuracy for changing calibrating installation are improved.
Finally it should be noted that above example is merely to illustrate technical scheme rather than to present invention protection
The limitation of scope.Although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage
Solution, technical scheme can be modified or equivalent substitution, without departing from technical solution of the present invention essence and
Scope.
Claims (6)
1. liquid level gauge remote calibration device, it is characterised in that：The tank body top center position of tubular is provided with a circle connecting hole（3）,
Servo liquidometer adpting flange is additionally provided with the top of tank body（1）With radar level gauge adpting flange（2）；Tank body top side from upper and
Have row's geometry metering-orifice standard pipe road（4）, each geometry metering-orifice standard pipe road（4）On screw thread magnetic valve is installed（26）；
Geometry metering-orifice standard pipe road（4）Magnetostriction liquidometer installation pipeline is installed on the tank body of side（5）, magnetostriction liquidometer
Installation pipeline（5）Top passes through magnetostriction liquidometer adpting flange（25.1）Magnetostriction liquidometer is installed（25）；Mangneto
Flexible liquid level gauge installation pipeline（5）First water outlet backup flange is installed on the tank body of bottom（9）；Geometry metering-orifice standard pipe road
（4）Water-output flange is installed on the tank body of bottom（10）, water-output flange（10）Outlet pipe on hand-operated valve is installed（17）, water outlet
Flange（10）Water outlet tube end motor-driven valve is installed（16）And titting water outlet（19）；Water-in flange is also equipped with tank body
（8）, water-in flange（8）Water inlet pipe on hand-operated valve is installed（17）, water-in flange（8）Water inlet tube end motor-driven valve is installed
（16）And admitting pipe joint（18）, water-in flange（8）Corresponding tank interior is provided with flow straightener（15）, flow straightener（15）Outside
Portion is provided with current stabilization baffle plate（14）, current stabilization baffle plate（14）Two ends are arranged on tank body；Tank body lower part is also equipped with artificial import and export
Flange（7）, the first water outlet backup flange（9）, the second water outlet backup flange（11）And flange（13）；Water-in flange（8）Top
Glass tube is installed on the tank body in portion（6）, glass tube（6）It is provided with dial（6.1）；Water-in flange（8）Side is provided with change
Fast case（24）, gearbox（24）On servomotor is installed（23）, servomotor（23）On leading screw is installed side by side（21）With lead
To polished rod（22）, camera（20）Installed in leading screw（21）On；It is artificial to import and export flange（7）Pressure is installed on the tank body of side
Table mounting hole（12）；Pass through servomotor（23）Control leading screw（21）With guiding polished rod（22）Synchronous axial system, camera（20）
Leading screw（21）Rotate upwardly and downwardly, remote observation liquid level rises or falls situation, realized by upper computer software to the long-range of liquid level gauge
Calibration.
2. liquid level gauge remote calibration device according to claim 1, it is characterised in that：Described magnetostriction liquidometer
（25）For working stamndard measuring device, described geometry metering-orifice standard pipe road（4）For calibration operation standard measuring device.
3. liquid level gauge remote calibration device according to claim 2, it is characterised in that：Described geometry metering-orifice standard pipe road
（4）According to the range of the flexible liquid level gauge of standard magnetic, bound is arranged on pipeline, is opened and closed, made in standard by solenoid valve control
Liquid level reaches fixed height.
4. liquid level gauge remote calibration device according to claim 1, it is characterised in that：Described flange（13）For
Connection magnetic float level indicator is installed, its geometric center is arranged on the zero-reference position of tank body.
5. liquid level gauge remote calibration device according to claim 1, it is characterised in that：Described servo liquidometer connection method
It is blue（1）Servo liquidometer, radar level gauge adpting flange are installed（2）Radar level gauge is installed.
6. a kind of method that device using described in claim 1 carries out liquid level gauge remote calibration, it is characterised in that：To liquid level gauge
When being examined and determine, liquid level gauge that magnetic is stretched is compared as standard with tested liquid level gauge, then according to different types of liquid
Position meter vertification regulation carries out automatic Verification；When standard needs calibrating, geometry metering-orifice standard pipe road is controlled by computer（4）
Respective valves switch, level value is maintained constant altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505203.6A CN104236681B (en) | 2014-09-26 | 2014-09-26 | Liquid level gauge remote calibration device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505203.6A CN104236681B (en) | 2014-09-26 | 2014-09-26 | Liquid level gauge remote calibration device and method |
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| Publication Number | Publication Date |
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| CN104236681A CN104236681A (en) | 2014-12-24 |
| CN104236681B true CN104236681B (en) | 2017-10-27 |
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ID=52225210
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| CN201410505203.6A Active CN104236681B (en) | 2014-09-26 | 2014-09-26 | Liquid level gauge remote calibration device and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949740B (en) * | 2015-06-20 | 2017-12-12 | 中国计量科学研究院 | Liquid level gauge automatic gauge calibrating installation and method |
| CN105715957B (en) * | 2016-04-12 | 2017-12-15 | 浙江新锐空分设备有限公司 | The liquid level safety control system and control method of a kind of Large scale cryogenic liquid tank |
| CN112179457A (en) * | 2020-09-29 | 2021-01-05 | 中国船舶重工集团公司第七二四研究所 | Fault detection and reconstruction method for liquid level system of water-cooling cabinet |
| CN115752662B (en) * | 2023-01-06 | 2023-04-07 | 新创碳谷集团有限公司 | Method and device for verifying consistency of magnetostrictive sensor |
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| EP0961106A1 (en) * | 1994-02-18 | 1999-12-01 | Endress + Hauser GmbH + Co. | Device for measuring the filling-level of a container |
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| CN102967347A (en) * | 2011-09-01 | 2013-03-13 | 天津市鑫成仪表有限公司 | Level gauge calibration device |
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| JP3212281B2 (en) * | 1998-06-16 | 2001-09-25 | 岡三機工株式会社 | Simple water meter |
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| EP0961106A1 (en) * | 1994-02-18 | 1999-12-01 | Endress + Hauser GmbH + Co. | Device for measuring the filling-level of a container |
| CN102967347A (en) * | 2011-09-01 | 2013-03-13 | 天津市鑫成仪表有限公司 | Level gauge calibration device |
| CN102506964A (en) * | 2011-10-26 | 2012-06-20 | 中国计量学院 | Liquid reservoir automatic calibration device and calibration method |
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