CN105987744A - Liquidometer calibration device - Google Patents
Liquidometer calibration device Download PDFInfo
- Publication number
- CN105987744A CN105987744A CN201510070943.6A CN201510070943A CN105987744A CN 105987744 A CN105987744 A CN 105987744A CN 201510070943 A CN201510070943 A CN 201510070943A CN 105987744 A CN105987744 A CN 105987744A
- Authority
- CN
- China
- Prior art keywords
- displacement sensing
- grating
- level gauge
- liquid level
- hoistable platform
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a liquidometer calibration device. The liquidometer calibration device is simple in structure, is easy to operate, and is stable and reliable in data. The liquidometer calibration device includes vertical guide rails at two ends and a lifting work platform; two ends of the lifting work platform are each provide with a displacement sensing mechanical amplifier; each displacement sensing mechanical amplifier includes a displacement sensing disc, the displacement sensing disc is coaxially connected to a raster conversion disc, the displacement sensing disc is connected to the two ends of the lifting work platform through a central rotation shaft, the circumference surface of the displacement sensing disc is positioned on the corresponding vertical guide rail; when the lifting work platform moves vertically, the displacement sensing discs slide along the vertical guide rails and then drive the raster conversion discs to rotate at the same time; the two ends of the lifting work platform are each provided with a pulse digital converter; an outer circle of each raster conversion disc is provided with a rectangular tooth groove; and the pulse digital converters are corresponding to the rectangular tooth grooves of the raster conversion discs.
Description
Technical field
The present invention relates to calibrating or the mark of the measuring instruments for liquid level (thing position) for a kind of instrument and meter for automation field
Determine device, especially detect the higher instrument calibration of liquid level range or caliberating device.
Background technology
At present, usual to the calibrating of liquid level gauge or level sensing instrument or demarcation in automatic measurement instrument field
The detection device that the level tank using simulated field carries out actual liquid level change is demarcated.This method is given
Liquid level gauge manufacturing enterprise brings cost high workload inefficient work drawback.Often for demarcating a liquid level gauge,
The repeated work repeatedly to fill tank prover, to be vented, operating efficiency is low, also results in the wave of the energy simultaneously
Take.Although liquid in storage tank is reusable, but a large amount of electric energy is also wasted in tinning and emptying.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, easy and simple to handle, data stabilization is reliable
Liquid level gauge caliberating device.
For reaching above-mentioned purpose, a kind of liquid level gauge caliberating device of the present invention, described liquid level gauge caliberating device includes two
The upright guide rail of end and a work hoistable platform, described work hoistable platform both ends are respectively equipped with a displacement and pass
Sense mechanical amplifier, described displacement sensing mechanical amplifier includes a displacement sensing dish, described displacement sensing dish
A coaxially connected grating changeover panel, it is flat that described displacement sensing dish is connected to described work lifting by middle part rotating shaft
Platform two ends, described displacement sensing dish side face is positioned on described upright guide rail so that on described work hoistable platform
Lower mobile when described displacement sensing dish slide along described upright guide rail, drive described grating changeover panel to rotate simultaneously,
Described work hoistable platform two ends further respectively have a pulse digit converter, and described grating changeover panel is cylindrical all
Even rectangle teeth groove of opening, described pulse digit converter is corresponding with the rectangle teeth groove of described grating changeover panel.
The radius of wherein said grating changeover panel is more than the radius of described displacement sensing dish.
Wherein said pulse digit converter side is provided with photoemission diode, and opposite side is provided with opto-electronic receiver
Diode.
Wherein said displacement sensing dish is cylindrical for quality of rubber materials.
Liquid level gauge caliberating device difference from prior art of the present invention is that the present invention achieves following technology effect
Really:
Liquid level gauge caliberating device of the present invention fixes accredited or mark on the hoistable platform of simulation storage tank ullage
Fixed liquid level gauge, reaches to simulate the change of liquid level, no longer by changing real liquid level by the lifting of platform
I.e. can reach the calibrating to liquid level gauge or staking-out work.The exact value of level change is by being arranged on platform
On two displacement transducers be amplified through mechan-amplifier mechanism, then by opto-electronic conversion with digital type pulse
Form is read and is directly read by the microprocessor processes directly numerical value change amount with liquid level, apparatus of the present invention
Simple in construction, method of operating, accuracy is high.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description
Fig. 1 is the structural representation of liquid level gauge caliberating device of the present invention；
Fig. 2 is liquid level gauge caliberating device pulse digit converter of the present invention with upright guide rail with the use of schematic diagram.
Description of reference numerals: the 1st, simulate fluid to be measured medium；2nd, level tank；3rd, upright guide rail；
4th, work hoistable platform；5th, it is calibrated or the liquid level gauge calibrated；6th, displacement sensing mechanical amplifier；7、
Pulse digit converter；8th, grating changeover panel；9th, displacement sensing dish；10th, grating changeover panel radius；11、
Displacement sensing dish radius；12-photoemission diode；13-photoelectric receiving diode.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical characteristic above-mentioned He other to the present invention and advantage are made more detailed
Thin explanation.
As illustrated in fig. 1 and 2, a kind of liquid level gauge caliberating device of the present invention, described liquid level gauge caliberating device includes
The upright guide rail 3 at two ends and a work hoistable platform 4, work hoistable platform 4 both ends are respectively equipped with a displacement
Sensing mechanical amplifier 6, displacement sensing mechanical amplifier 6 includes a displacement sensing dish 9, displacement sensing dish 9
A coaxially connected grating changeover panel 8, the radius of grating changeover panel 8 is more than the radius of displacement sensing dish 9, displacement
Sensing dish 9 is connected to the two ends of work hoistable platform 4, displacement sensing dish 9 quality of rubber materials by middle part rotating shaft
Outer peripheral face be positioned on upright guide rail 3 so that work hoistable platform 4 displacement sensing dish 9 edge when moving up and down
Upright guide rail 3 slides, and drives grating changeover panel 8 to rotate simultaneously, and work hoistable platform 4 two ends also set respectively
There is a pulse digit converter 7, the cylindrical rectangle teeth groove of uniformly opening of grating changeover panel 8, pulse digit converter 7
Photoemission diode 12 and the photoelectric receiving diode 13 rectangle teeth groove with grating changeover panel 8 respectively
Positive and negative correspondence respectively.
During use, simulation fluid to be measured medium 1 loads in level tank 2, and two upright guide rails 3 are fixed on
Bottom level tank 2, liquid level gauge the 5th, displacement sensing mechanical amplifier the 6th, the pulse digit that is calibrated or calibrates
Converter 7 is fixed on work hoistable platform 4, and work hoistable platform 4 lifting drive is calibrated or calibrates
Liquid level gauge the 5th, displacement sensing mechanical amplifier the 6th, pulse digit converter 7 synchronization lifting, apart from tested liquid level
The liquid level synchronization of medium 1 changes.It is calibrated or 5 changes simultaneously showing liquid level are counted in the position of calibration solution
Change amount.By displacement sensing mechanical amplifier the 6th, the pulse digit converter being fixed on work hoistable platform 4
7 accurately measure displacement on two vertical rails 3 for the work hoistable platform 4, two pulse digit conversions
The reading mean value of device 7 more accurately determines the displacement of work hoistable platform 4, and this reading does position metering base
Mutatis mutandis to demarcate or to calibrate by school liquid level gauge, Fig. 2 is given the operation principle of displacement transducer mechan-amplifier.
In fig. 2, grating changeover panel the 8th, displacement sensing dish 9 moves up and down with work hoistable platform 4 synchronization,
Due to displacement sensing dish 9 outer rim with rubber and vertical guide rail 10 between rubbing action make displacement sensing
Dish 9 can produce rotation while moving up and down and drive grating changeover panel 8 synchronous axial system.Work lifting is flat
The straight-line displacement amount that platform 4 moves up and down is equal to the perimeter length of the rotation cylindrical rotation of disk of displacement sensing dish 9.
Owing to displacement sensing dish 9 is much larger than position with the rotation of grating changeover panel 8 coaxial synchronous and grating changeover panel radius 10
Moving sensing dish radius 11, the perimeter length of the corresponding displacement obtaining on grating changeover panel 8 passes much larger than displacement
The perimeter length of the cylindrical rotation of sense dish 9.Displacement sensor mechanical amplification factor K be grating changeover panel radius 10 with
The ratio of displacement sensing dish radius 11, counts K=R12/R13.In order to turn the girth displacement of grating changeover panel 8
Changing readable digital quantity into, the cylindrical of grating changeover panel 8 uniformly opens rectangle teeth groove, and teeth groove passes through pulse digit
Can be at the photoemission diode 12 of pulse digit converter 7 and photoelectric receiving diode 13 during converter 7
Between produce switching pulse signal, determined the displacement of workbench by the reading of pulse.
In an embodiment, the width of rectangle teeth groove is 2.5 millimeters, R12=286.6 millimeter, R13=28.66
Millimeter, it may be assumed that K=10.The whole resolution of displacement transducer is 0.5 millimeter.It is fully available for calibrating or mark
Determine the liquid level gauge that liquid level resolution ratio is ± 2.5 millimeters.
Embodiment described above is only to be described the preferred embodiment of the present invention, not to this
Bright scope is defined, on the premise of designing spirit without departing from the present invention, and those of ordinary skill in the art
The various deformation making technical scheme and improvement, all should fall into claims of the present invention and determine
Protection domain in.
Claims (4)
1. a liquid level gauge caliberating device, it is characterised in that: described liquid level gauge caliberating device includes the perpendicular of two ends
Straight guide and a work hoistable platform, described work hoistable platform both ends are respectively equipped with a displacement sensing machinery
Amplifier, described displacement sensing mechanical amplifier includes a displacement sensing dish, and described displacement sensing dish coaxially connects
Connecing a grating changeover panel, described displacement sensing dish is connected to described work hoistable platform two ends by middle part rotating shaft,
Described displacement sensing dish side face is positioned on described upright guide rail so that when described work hoistable platform moves up and down
Described displacement sensing dish slides along described upright guide rail, drives described grating changeover panel to rotate, described work simultaneously
Making hoistable platform two ends and further respectively having a pulse digit converter, described grating changeover panel is cylindrical uniformly opens square
Shape teeth groove, described pulse digit converter is corresponding with the rectangle teeth groove of described grating changeover panel.
2. liquid level gauge caliberating device according to claim 1, it is characterised in that: described grating changeover panel
Radius is more than the radius of described displacement sensing dish.
3. radar level gauge caliberating device according to claim 1, it is characterised in that: described pulse digit
Converter side is provided with photoemission diode, and opposite side is provided with opto-electronic receiver diode.
4. radar level gauge caliberating device according to claim 1, it is characterised in that: described displacement sensing
Dish is cylindrical for quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070943.6A CN105987744A (en) | 2015-02-02 | 2015-02-02 | Liquidometer calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070943.6A CN105987744A (en) | 2015-02-02 | 2015-02-02 | Liquidometer calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105987744A true CN105987744A (en) | 2016-10-05 |
Family
ID=57041744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510070943.6A Pending CN105987744A (en) | 2015-02-02 | 2015-02-02 | Liquidometer calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105987744A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN111189515A (en) * | 2020-02-20 | 2020-05-22 | 上海航天精密机械研究所 | Multi-point liquid level sensor calibration device and calibration method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2789727Y (en) * | 2005-03-14 | 2006-06-21 | 无锡市瑞普科技有限公司 | Ultrasmall lock latch separating photoelectric axial angle coder |
| KR100753774B1 (en) * | 2007-06-18 | 2007-08-30 | 한국수자원공사 | Standard calibration device and method of water level meter |
| CN201903386U (en) * | 2010-10-22 | 2011-07-20 | 舟山市质量技术监督检测院 | Movable liquid-groove type calibrating device for liquid level meter |
| CN103575367A (en) * | 2013-03-08 | 2014-02-12 | 新疆维吾尔自治区计量测试研究院 | Guide rail type calibrating device for reflection-type liquid level meter |
| CN203703064U (en) * | 2013-09-30 | 2014-07-09 | 陈志民 | Actuator provided with angular displacement measuring and control device |
| CN203745050U (en) * | 2014-03-10 | 2014-07-30 | 北京尚水信息技术股份有限公司 | Detection and verification platform for automatic water level gauge |
| CN204405150U (en) * | 2015-02-02 | 2015-06-17 | 陈士学 | A kind of liquid level gauge caliberating device |
-
2015
- 2015-02-02 CN CN201510070943.6A patent/CN105987744A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2789727Y (en) * | 2005-03-14 | 2006-06-21 | 无锡市瑞普科技有限公司 | Ultrasmall lock latch separating photoelectric axial angle coder |
| KR100753774B1 (en) * | 2007-06-18 | 2007-08-30 | 한국수자원공사 | Standard calibration device and method of water level meter |
| CN201903386U (en) * | 2010-10-22 | 2011-07-20 | 舟山市质量技术监督检测院 | Movable liquid-groove type calibrating device for liquid level meter |
| CN103575367A (en) * | 2013-03-08 | 2014-02-12 | 新疆维吾尔自治区计量测试研究院 | Guide rail type calibrating device for reflection-type liquid level meter |
| CN203703064U (en) * | 2013-09-30 | 2014-07-09 | 陈志民 | Actuator provided with angular displacement measuring and control device |
| CN203745050U (en) * | 2014-03-10 | 2014-07-30 | 北京尚水信息技术股份有限公司 | Detection and verification platform for automatic water level gauge |
| CN204405150U (en) * | 2015-02-02 | 2015-06-17 | 陈士学 | A kind of liquid level gauge caliberating device |
Non-Patent Citations (2)
| Title |
|---|
| 吴雄伟等: "基于C8051F020光电位移传感器的设计", 《仪器仪表与分析监测》 * |
| 黄美发等: "《机床数控技术及应用》", 31 May 2014, 西安电子科技大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN111189515A (en) * | 2020-02-20 | 2020-05-22 | 上海航天精密机械研究所 | Multi-point liquid level sensor calibration device and calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101706294B (en) | Method for automatically judging calibration time of sensor | |
| CN203337232U (en) | Photoelectric sampler used for accuracy measurement of flowmeter | |
| CN103630076A (en) | Method and device for calibrating laser displacement sensor | |
| CN101587058A (en) | High-precision pendulum friction coefficient measuring instrument | |
| CN202631043U (en) | Formation gas volume measurement device of flexible package lithium ion battery | |
| CN105987744A (en) | Liquidometer calibration device | |
| CN204405150U (en) | A kind of liquid level gauge caliberating device | |
| CN203487566U (en) | Pile foundation settlement measuring device | |
| CN102062591A (en) | Singlechip-based radial composite error measurer | |
| CN102506768B (en) | Dynamic characteristic calibration method and device for laser small angle measurement device | |
| CN101839750A (en) | Numerically controlled water level | |
| CN202267475U (en) | Angle measuring device capable of automatically reading | |
| CN203396295U (en) | Standard block used for calibrating dial gauge | |
| CN218097829U (en) | Detection apparatus for photoelectric shaft encoder graduation error | |
| CN204758091U (en) | Level gauge automatic measurement calibrating installation | |
| CN103499332B (en) | The method of antenna pedestal angle of pitch precision measurement apparatus and instrumentation radar pitching corner | |
| CN111579017B (en) | Chemical metering device with accurate counting | |
| CN102661775B (en) | Automatic water gage detector and application | |
| CN202066766U (en) | Device for measuring sludge capillary water absorbing time | |
| CN204007413U (en) | Oil pipes internal thread height-gauge | |
| CN107144295A (en) | A kind of device of the portable hydrostatic level calibration measured based on height gauge | |
| CN206531550U (en) | Ultrasonic open channel flowmeter level error on-site detecting device | |
| CN203672434U (en) | Rough and fine two-gear type gauge table character wheel counter | |
| CN111060134B (en) | Device for measuring follow-up error of magnetic heading sending device | |
| CN202471048U (en) | Mobile tester of planeness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161005 |
|
| WD01 | Invention patent application deemed withdrawn after publication |