CN104236681A - Liquid level meter remote calibration device and method - Google Patents

Liquid level meter remote calibration device and method Download PDF

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Publication number
CN104236681A
CN104236681A CN201410505203.6A CN201410505203A CN104236681A CN 104236681 A CN104236681 A CN 104236681A CN 201410505203 A CN201410505203 A CN 201410505203A CN 104236681 A CN104236681 A CN 104236681A
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China
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flange
liquid level
level gauge
water
tank body
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CN201410505203.6A
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CN104236681B (en
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孙斌
沈乐书
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China Jiliang University
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China Jiliang University
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Abstract

The invention discloses a liquid level meter remote calibration device and method. The liquid level meter remote calibration device is characterized in that a water outlet flange is installed on a tank body at the bottom of geometric metering hole standard pipelines, a hand valve is installed on a water outlet pipe of the water outlet flange, and an electric valve and a water outlet pipe joint are installed at the end part of the water outlet pipe of the water outlet flange; a water inlet flange is additionally installed on the device, a hand valve is installed on a water inlet pipe of the water inlet flange, an electric valve and a water inlet pipe joint are installed at the end part of the water inlet pipe of the water inlet flange, a flow stabilizer is installed in the device corresponding to the water inlet flange, a flow stabilizing baffle is installed at the external part of the flow stabilizer, and the two ends of the flow stabilizing baffle are installed on a pipe body. By arranging a standard structure and a liquid level meter structure, detecting device liquid level and transmitting measured values, the use accuracy and reliability of the metering instrument are guaranteed and the state is controllable; since the device adopts an integral structure, the installation, debugging, movement, maintenance, running and operation are facilitated; a full-automatic, full-manual or combined oil tank device is designed according to user demands.

Description

Liquid level gauge remote calibration device and method
Technical field
The invention belongs to flow metering technical field, relate to a kind of liquid level gauge remote calibration device and method.
Background technology
At present, existing level gauge calibrating mode is very not accurate, in existing device global design, not there is level sensing and regulatory function, therefore, in use, level condition can not be observed in time, need to detect by other aids, and manually control liquid level, use operation very inconvenient.Further, existing device is safeguarded, operating difficulties, and inconvenient user uses.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides liquid level gauge remote calibration device and method, thus the object that realization detects the liquid level in device.
To achieve these goals, the present invention is by the following technical solutions:
Tubular tank body top center position of the present invention is provided with a circle connecting hole, and tank body top is also provided with servo liquidometer joint flange and radar level gauge joint flange; Side, tank body top is provided with row's geometry metering-orifice standard pipe road from top to bottom, and each geometry metering-orifice standard pipe road is provided with screw thread solenoid valve; The tank body of side, geometry metering-orifice standard pipe road is provided with magnetostriction liquidometer installation pipeline, and magnetostriction liquidometer installation pipeline top is provided with magnetostriction liquidometer by magnetostriction liquidometer joint flange; Tank body bottom magnetostriction liquidometer installation pipeline is provided with water outlet backup flange; Tank body bottom geometry metering-orifice standard pipe road is provided with water-output flange, the rising pipe of water-output flange is provided with hand valve, the rising pipe end of water-output flange is provided with motorized valve and titting water outlet; Tank body is also provided with water-in flange, the water inlet pipe of water-in flange is provided with hand valve, the water inlet pipe end of water-in flange is provided with motorized valve and admitting pipe joint, the corresponding tank interior of water-in flange is provided with current regulator, current regulator outside 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 provided with manually imports and exports flange, water outlet backup flange, water outlet backup flange and flange; The tank body at water-in flange top is provided with glass tube, and glass tube is provided with index dial; Water-in flange side is provided with wheel box, and wheel box is provided with servomotor, and servomotor is provided with side by side leading screw and guiding polished rod, camera is arranged on leading screw; The tank body of artificial import and export flange side is provided with tensimeter mounting hole.
Wherein, described current regulator is provided with multiple through hole.
Wherein, described index dial is straight steel ruler or vernier caliper.
Wherein, described magnetostriction liquidometer is as working stamndard measuring device, and described geometry metering-orifice standard pipe road is used for calibration operation measuring device.
Wherein, described geometry metering-orifice standard pipe road is arranged according to the standard magnetic range of liquid level gauge bound on pipeline of stretching, and by solenoid control opening and closing, makes the height that liquid level in standard reaches fixing.
Wherein, described flange is for installing connection magnetic float level indicator, and its geometric center is arranged on the zero-reference position of tank body.
Wherein, servo liquidometer installed by described servo liquidometer joint flange, and radar level gauge installed by radar level gauge joint flange.
Utilize said apparatus to carry out liquid level gauge remote calibration method, when liquid level gauge is examined and determine, the magnetic liquid level gauge that stretches is compared as standard and tested liquid level gauge, then carries out automatic Verification according to dissimilar liquid level gauge vertification regulation.When standard needs calibrating, controlled the respective valves switch of geometric sense hole standard pipeline by computing machine, make level value maintain constant altitude, can adopt 2 points, 3 on-line amending is carried out to standard.
Beneficial effect of the present invention: by being provided with standard structure and liquid level gauge structure, pick-up unit liquid level also carries out transmission of quantity value, ensure measurement instrument use accurately and reliably, condition controlled, device adopts integral structure, Stability Analysis of Structures, be convenient to install, debugging and mobile, be convenient to safeguard, management, run and operation, and be designed with automatically according to user's request, tank installation of complete manual or its combination.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The general structure schematic diagram that Fig. 1 provides for the embodiment of the present invention;
Bottom of device direction structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
Another direction structure schematic diagram of bottom of device that Fig. 3 provides for the embodiment of the present invention;
Another structural representation of bottom of device that Fig. 4 provides for the embodiment of the present invention;
The device top structure schematic diagram that Fig. 5 provides for the embodiment of the present invention;
The motorized valve that Fig. 6 provides for the embodiment of the present invention and hand valve structural representation;
The magnetostriction liquidometer structural representation that Fig. 7 provides for the embodiment of the present invention;
The electromagnetic valve structure schematic diagram that Fig. 8 provides for the embodiment of the present invention;
In figure, 1. servo liquidometer joint flange, 2. radar level gauge joint flange, 3. connecting hole, 4. geometry metering-orifice standard pipe road, 5. magnetostriction liquidometer installation pipeline, 6. glass tube, 6.1. index dial, 7. manually import and export flange, 8. water-in flange, 9. water outlet backup flange, 10. water-output flange, 11. water outlet backup flange, 12. tensimeter mounting holes, 13. flanges, 14. current stabilization baffle plates, 15. current regulators, 16. motorized valves, 17. hand valves, 18. admitting pipe joints, 19. titting water outlets, 20. cameras, 21. leading screws, 22. guiding polished rods, 23. servomotors, 24. wheel boxes, 25. magnetostriction liquidometers, 25.1. magnetostriction liquidometer joint flange, 26. screw thread solenoid valves.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should to understand these embodiments be for illustration of the present invention instead of limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Please refer to Fig. 1 to Fig. 8, in the present embodiment, provide liquid level gauge remote calibration device and method, tank body top center position is provided with a circle connecting hole 3, and tank body top is also provided with servo liquidometer joint flange 1 and radar level gauge joint flange 2; Side, tank body top is provided with row's geometry metering-orifice standard pipe road 4 from top to bottom, and each geometry metering-orifice standard pipe road 4 is provided with screw thread solenoid valve 26; The tank body of side, geometry metering-orifice standard pipe road 4 is provided with magnetostriction liquidometer installation pipeline 5, and magnetostriction liquidometer installation pipeline 5 top is provided with magnetostriction liquidometer 25 by magnetostriction liquidometer joint flange 25.1; Tank body bottom magnetostriction liquidometer installation pipeline 5 is provided with water outlet backup flange 9; Tank body bottom geometry metering-orifice standard pipe road 4 is provided with water-output flange 10, the rising pipe of water-output flange 10 is provided with hand valve 17, the rising pipe end of water-output flange 10 is provided with motorized valve 16 and titting water outlet 19; Tank body is also provided with water-in flange 8, the water inlet pipe of water-in flange 8 is provided with hand valve 17, the water inlet pipe end of water-in flange 8 is provided with motorized valve 16 and admitting pipe joint 18, the corresponding tank interior of water-in flange 8 is provided with current regulator 15, current regulator 15 outside is provided with current stabilization baffle plate 14, and current stabilization baffle plate 14 two ends are arranged on tank body; Tank base is also provided with artificial import and export flange 7, water outlet backup flange 9, water outlet backup flange 11 and flange 13; The tank body at water-in flange 8 top is provided with glass tube 6, and glass tube 6 is provided with index dial 6.1; Water-in flange 8 side is provided with wheel box 24, wheel box 24 is provided with servomotor 23, and servomotor 23 is provided with side by side leading screw 21 and guiding polished rod 22, camera 20 is arranged on leading screw 21; The tank body of artificial import and export flange 7 side is provided with tensimeter mounting hole 12.
Further, described current regulator 15 is provided with multiple through hole, liquid flows into tank interior by the through hole of current regulator 15, leads to and again carries out current stabilization at mistake current stabilization baffle plate 14, thus makes the stable rising of the pasta of liquid, simultaneously, control leading screw 21 and guiding polished rod 22 synchronous axial system by servomotor 23, camera 20 rotates up and down on leading screw 21, is convenient to remote detection liquid level and rises or decline situation, in conjunction with the Internet of Things sharing functionality of upper computer software, finally realize the remote calibration to liquid level gauge.
Further, described index dial 6.1 is straight steel ruler or vernier caliper, for the artificial calibrating of liquid level in tank body, tank body manually imports and exports flange 7, before inject water in tank body, manually can enter tank interior carry out installing to tested liquid level gauge and regulate, after artificial import and export flange 7 seals, can to tank interior water filling.
Further, tank body is also provided with water-in flange 8, the water inlet pipe of water-in flange 8 is provided with hand valve 17, the water inlet pipe end of water-in flange 8 is provided with motorized valve 16 and admitting pipe joint 18, when need repairing motorized valve 16 time, hand valve 17 on manual-lock water inlet pipe, prevents the liquid in tank from flowing out, and is convenient to maintenance; The rising pipe of water-output flange 10 is provided with hand valve 17, the rising pipe end of water-output flange 10 is provided with motorized valve 16 and titting water outlet 19, when need repairing hand valve 17 time, the hand valve 17 on manual-lock rising pipe, prevent the liquid in tank from flowing out, be convenient to maintenance.
Further, described magnetostriction liquidometer 25 is working stamndard measuring device, described geometry metering-orifice standard pipe road 4 is calibration operation measuring device, working stamndard measuring device is for examining and determine other tested liquid level gauges, calibration operation measuring device is used for calibration operation standard measuring device, on-line amending is carried out to it, thus improves test stone.
Further, described water outlet backup flange 9, water outlet backup flange 11 are seal flange.
Further, described flange 13 is for installing connection magnetic float level indicator, and its geometric center is arranged on the zero-reference position of tank body.
Further, servo liquidometer installed by described servo liquidometer joint flange 1, radar level gauge installed by radar level gauge joint flange 2, magnetic float level indicator, servo liquidometer and radar level count test solution position meter, the waveguide pipe that radar level gauge is connected, waveguide pipe is a kind of hollow, metal catheter that inwall is very bright and clean or interior metallized pipe; Waveguide pipe is effective transmits uhf electromagnetic wave, can be sent to destination by its pulse signal with minimum loss; The size of waveguide internal diameter is different because of the wavelength of institute's signal transmission; Be used for the radio art such as centimetre radio communication involving millimeter wave, radar, navigation.
Principle of work of the present invention: first correctly install the tested liquid level gauge such as servo liquidometer and radar level gauge, setting pressure table on tensimeter mounting hole 12, by artificial import and export flange 7 flange seal of tank body, start the calibrating of up stroke, such as 0-1M range liquid level gauge is examined and determine, open water pump, open the solenoid valve in outlet pipeline, open the hand valve in inlet pipeline, when reaching lowermost first geometry metering-orifice to water level, the indicating value of tested liquid level gauge and magnetostriction liquidometer standard set-up is read by software, until liquid level gauge rises to upper limit of detection, close each valve, the indicating value of the height value of set point and magnetostriction liquidometer standard set-up is revised, the numerical value of whole correction result and tested liquid level gauge is compared, complete the calibration operation of up stroke in this range, when carrying out the calibrating of down stroke, software is utilized to get the solenoid valve of water lines, liquid level is slowly declined, 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, result is revised, complete the process of value testing and return difference calibrating.In above process, control leading screw 21 and guiding polished rod 22 synchronous axial system by servomotor 23, camera 20 rotates up and down on leading screw 21, is convenient to remote detection liquid level and rises or decline situation, in conjunction with the Internet of Things sharing functionality of upper computer software, finally realize the remote calibration to liquid level gauge.When needs independent standard verification device magnetostriction liquidometer (25), the respective valves switch in geometric sense hole standard pipeline (4) is controlled by computing machine, level value is made to maintain constant altitude, can adopt 2 points, 3 on-line amending is carried out to standard, improve and change stability and the accuracy of calibrating installation.
Finally it should be noted that above embodiment only for illustration of technical scheme of the present invention but not limiting the scope of the invention.Although be explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from essence and the scope of technical solution of the present invention.

Claims (7)

1. liquid level gauge remote calibration device, is characterized in that: the tank body top center position of tubular is provided with a circle connecting hole (3), and tank body top is also provided with servo liquidometer joint flange (1) and radar level gauge joint flange (2); Side, tank body top is provided with row's geometry metering-orifice standard pipe road (4) from top to bottom, and each geometry metering-orifice standard pipe road (4) is provided with screw thread solenoid valve (26); The tank body of geometry metering-orifice standard pipe road (4) side is provided with magnetostriction liquidometer installation pipeline (5), magnetostriction liquidometer installation pipeline (5) top is provided with magnetostriction liquidometer (25) by magnetostriction liquidometer joint flange (25.1); The tank body of magnetostriction liquidometer installation pipeline (5) bottom is provided with water outlet backup flange (9); The tank body of bottom, geometry metering-orifice standard pipe road (4) is provided with water-output flange (10), the rising pipe of water-output flange (10) is provided with hand valve (17), the rising pipe end of water-output flange (10) is provided with motorized valve (16) and titting water outlet (19); Tank body is also provided with water-in flange (8), the water inlet pipe of water-in flange (8) is provided with hand valve (17), the water inlet pipe end of water-in flange (8) is provided with motorized valve (16) and admitting pipe joint (18), the corresponding tank interior of water-in flange (8) is provided with current regulator (15), current regulator (15) outside is provided with current stabilization baffle plate (14), and current stabilization baffle plate (14) two ends are arranged on tank body; Tank body lower part is also provided with manually imports and exports flange (7), water outlet backup flange (9), water outlet backup flange (11) and flange (13); The tank body at water-in flange (8) top is provided with glass tube (6), glass tube (6) is provided with index dial (6.1); Water-in flange (8) side is provided with wheel box (24), wheel box (24) is provided with servomotor (23), and servomotor (23) is provided with side by side leading screw (21) and guiding polished rod (22), camera (20) is arranged on leading screw (21); The tank body of artificial import and export flange (7) side is provided with tensimeter mounting hole (12).
2. liquid level gauge remote calibration device according to claim 1, is characterized in that: described magnetostriction liquidometer (25) is working stamndard measuring device, and described geometry metering-orifice standard pipe road (4) is for calibration operation measuring device.
3. liquid level gauge remote calibration device according to claim 2, it is characterized in that: described geometry metering-orifice standard pipe road (4) is arranged according to the standard magnetic range of liquid level gauge bound on pipeline of stretching, by solenoid control opening and closing, make the height that liquid level in standard reaches fixing.
4. liquid level gauge remote calibration device according to claim 1, is characterized in that: described flange (13) is for installing connection magnetic float level indicator, and its geometric center is arranged on the zero-reference position of tank body.
5. liquid level gauge remote calibration device according to claim 1, is characterized in that: servo liquidometer installed by described servo liquidometer joint flange (1), and radar level gauge installed by radar level gauge joint flange (2).
6. liquid level gauge remote calibration device according to claim 1, it is characterized in that: control leading screw (21) and guiding polished rod (22) synchronous axial system by servomotor (23), camera (20) rotates up and down at leading screw (21), remote observation liquid level rises or decline situation, realizes the remote calibration to liquid level gauge by upper computer software.
7. the method utilizing the device described in claim 1 to carry out liquid level gauge remote calibration, it is characterized in that: when liquid level gauge is examined and determine, the magnetic liquid level gauge that stretches is compared as standard and tested liquid level gauge, then carries out automatic Verification according to dissimilar liquid level gauge vertification regulation; When standard needs calibrating, controlled the respective valves switch in geometric sense hole standard pipeline (4) by computing machine, make level value maintain constant altitude.
CN201410505203.6A 2014-09-26 2014-09-26 Liquid level gauge remote calibration device and method Active CN104236681B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949740A (en) * 2015-06-20 2015-09-30 中国计量科学研究院 Automatic metrological verification device and method of liquidometers
CN105715957A (en) * 2016-04-12 2016-06-29 浙江新锐空分设备有限公司 Safety control system and control method for liquid level of large low-temperature liquid storage 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
CN115752662A (en) * 2023-01-06 2023-03-07 新创碳谷集团有限公司 Method and device for verifying consistency of magnetostrictive sensor

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949740A (en) * 2015-06-20 2015-09-30 中国计量科学研究院 Automatic metrological verification device and method of liquidometers
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CN105715957A (en) * 2016-04-12 2016-06-29 浙江新锐空分设备有限公司 Safety control system and control method for liquid level of large low-temperature liquid storage tank
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
CN115752662A (en) * 2023-01-06 2023-03-07 新创碳谷集团有限公司 Method and device for verifying consistency of magnetostrictive sensor

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