CN204405150U - A kind of liquid level gauge caliberating device - Google Patents
A kind of liquid level gauge caliberating device Download PDFInfo
- Publication number
- CN204405150U CN204405150U CN201520096599.3U CN201520096599U CN204405150U CN 204405150 U CN204405150 U CN 204405150U CN 201520096599 U CN201520096599 U CN 201520096599U CN 204405150 U CN204405150 U CN 204405150U
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- displacement sensing
- liquid level
- hoistable platform
- grating
- level gauge
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of liquid level gauge caliberating device, its object is to provide a kind of structure simple, easy and simple to handle, the reliable liquid level gauge caliberating device of data stabilization, it comprises upright guide rail and a work hoistable platform at two ends, described work hoistable platform both ends are respectively equipped with a displacement sensing mechanical amplifier, described displacement sensing mechanical amplifier comprises a displacement sensing dish, described displacement sensing dish coaxially connects 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, when described work hoistable platform is moved up and down, upright guide rail described in described displacement sensing rim slides, drive described grating changeover panel to rotate simultaneously, described work hoistable platform two ends are also respectively equipped with a pulse digit converter, described grating changeover panel cylindrical evenly opens rectangle teeth groove, described pulse digit converter is corresponding with the rectangle teeth groove of described grating changeover panel.
Description
Technical field
The utility model relates to a kind of instrument and meter for automation field for the calibrating of the measurement instrument of liquid level (thing position) or caliberating device, especially detects the higher instrument calibration of liquid level range or caliberating device.
Background technology
At present, in automatic measurement instrument field to the calibrating of liquid level gauge or level sensing instrument or demarcate the pick-up unit usually using the level tank of simulated field to carry out actual liquid level change and demarcate.This method is produced enterprise to liquid level family planning and is brought the inefficient work drawback of cost high workload.Often for demarcation liquid level gauge, repeatedly to be filled by tank prover, the repeated work of emptying, work efficiency is low, also causes the waste of the energy simultaneously.Although liquid in storage tank is reusable, a large amount of electric energy is also wasted in tinning and emptying.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, easy and simple to handle, the reliable liquid level gauge caliberating device of data stabilization.
For reaching above-mentioned purpose, a kind of liquid level gauge caliberating device of the utility model, described liquid level gauge caliberating device comprises upright guide rail and a work hoistable platform at two ends, described work hoistable platform both ends are respectively equipped with a displacement sensing mechanical amplifier, described displacement sensing mechanical amplifier comprises a displacement sensing dish, described displacement sensing dish coaxially connects 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, when described work hoistable platform is moved up and down, upright guide rail described in described displacement sensing rim slides, drive described grating changeover panel to rotate simultaneously, described work hoistable platform two ends are also respectively equipped with a pulse digit converter, described grating changeover panel cylindrical evenly opens rectangle teeth groove, 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 greater 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 cylindrical is quality of rubber materials.
The utility model liquid level gauge caliberating device difference from prior art is that the utility model achieves following technique effect:
The utility model liquid level gauge caliberating device fixes liquid level gauge that is accredited or that demarcate on the hoistable platform of simulation storage tank ullage, being reached the change of simulation liquid level by the lifting of platform, no longer can reach calibrating to liquid level gauge or staking-out work by changing real liquid level.The exact value of level change is amplified through mechan-amplifier mechanism by two displacement transducers be arranged on platform, again by opto-electronic conversion with digital type pulse form read and directly directly read with the numerical value change amount of liquid level by microprocessor processes, the utility model apparatus structure is simple, method of operating, accuracy is high.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model liquid level gauge caliberating device;
Fig. 2 is that the utility model liquid level gauge caliberating device pulse digit converter and upright guide rail are with the use of schematic diagram.
Description of reference numerals: 1, simulate fluid to be measured medium; 2, level tank; 3, upright guide rail; 4, work hoistable platform; 5, to be demarcated or the liquid level gauge calibrated; 6, displacement sensing mechanical amplifier; 7, pulse digit converter; 8, grating changeover panel; 9, displacement sensing dish; 10, grating changeover panel radius; 11, displacement sensing dish radius; 12-photoemission diode; 13-photoelectric receiving diode.
Embodiment
Below in conjunction with drawings and Examples, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.
As illustrated in fig. 1 and 2, a kind of liquid level gauge caliberating device of the utility model, described liquid level gauge caliberating device comprises upright guide rail 3 and a work hoistable platform 4 at two ends, work hoistable platform 4 both ends are respectively equipped with a displacement sensing mechanical amplifier 6, displacement sensing mechanical amplifier 6 comprises a displacement sensing dish 9, displacement sensing dish 9 coaxially connects a grating changeover panel 8, the radius of grating changeover panel 8 is greater than the radius of displacement sensing dish 9, displacement sensing dish 9 is connected to the two ends of work hoistable platform 4 by middle part rotating shaft, the outer peripheral face of displacement sensing dish 9 quality of rubber materials is positioned on upright guide rail 3, when work hoistable platform 4 is moved up and down, displacement sensing dish 9 slides along upright guide rail 3, drive grating changeover panel 8 to rotate simultaneously, work hoistable platform 4 two ends are also respectively equipped with a pulse digit converter 7, grating changeover panel 8 cylindrical evenly opens rectangle teeth groove, the photoemission diode 12 of pulse digit converter 7 and photoelectric receiving diode 13 are corresponding respectively with the rectangle teeth groove pros and cons of grating changeover panel 8 respectively.
During use, simulation fluid to be measured medium 1 loads in level tank 2, two upright guide rails 3 are fixed on bottom level tank 2, the liquid level gauge 5 demarcated or calibrate, displacement sensing mechanical amplifier 6, pulse digit converter 7 are fixed on work hoistable platform 4, work hoistable platform 4 is elevated the liquid level gauge 5, displacement sensing mechanical amplifier 6, pulse digit converter 7 synchronization lifting that drive and demarcated or calibrate, synchronously changes apart from the liquid level of tested liquid level medium 1.Demarcated or variable quantity that the position meter 5 of calibration solution shows liquid level simultaneously.By being fixed on displacement sensing mechanical amplifier 6 on work hoistable platform 4, pulse digit converter 7 accurately measures the displacement of work hoistable platform 4 on two vertical rails 3, the reading mean value of two pulse digit converters 7 more accurately determines the displacement of work hoistable platform 4, this reading does a mete-wand in order to demarcate or to calibrate by school liquid level gauge, provides the principle of work of displacement transducer mechan-amplifier in Fig. 2.
In fig. 2, grating changeover panel 8, displacement sensing dish 9 synchronously move up and down with work hoistable platform 4, due to displacement sensing dish 9 outer rim with rubber and vertical guide rail 10 between rubbing action displacement sensing dish 9 can be produced while moving up and down rotate and drive grating changeover panel 8 synchronous axial system.The perimeter length that the rotary disk cylindrical that the straight-line displacement amount that work hoistable platform 4 moves up and down equals displacement sensing dish 9 rotates.Due to displacement sensing dish 9 and grating changeover panel 8 coaxial synchronous rotate and grating changeover panel radius 10 much larger than displacement sensing dish radius 11, the perimeter length that the perimeter length of the corresponding displacement that grating changeover panel 8 obtains rotates much larger than displacement sensing dish 9 cylindrical.Displacement sensor mechanical amplification factor K is grating changeover panel radius 10 and the ratio of displacement sensing dish radius 11, counts K=R12/R13.In order to convert the girth displacement of grating changeover panel 8 to readable digital quantity, the cylindrical of grating changeover panel 8 evenly opens rectangle teeth groove, teeth groove by the pulse signal of switching can be produced during pulse digit converter 7 between the photoemission diode 12 of pulse digit converter 7 and photoelectric receiving diode 13, by the displacement of the reading determination workbench of pulse.
In an embodiment, the width of rectangle teeth groove is 2.5 millimeters, R12=286.6 millimeter, R13=28.66 millimeter, that is: K=10.The whole resolution of displacement transducer is 0.5 millimeter.Can be used for completely examining and determine or scale liquid position resolution is the liquid level gauge of ± 2.5 millimeters.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (4)
1. a liquid level gauge caliberating device, it is characterized in that: described liquid level gauge caliberating device comprises upright guide rail and a work hoistable platform at two ends, described work hoistable platform both ends are respectively equipped with a displacement sensing mechanical amplifier, described displacement sensing mechanical amplifier comprises a displacement sensing dish, described displacement sensing dish coaxially connects 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, when described work hoistable platform is moved up and down, upright guide rail described in described displacement sensing rim slides, drive described grating changeover panel to rotate simultaneously, described work hoistable platform two ends are also respectively equipped with a pulse digit converter, described grating changeover panel cylindrical evenly opens rectangle 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, is characterized in that: the radius of described grating changeover panel is greater than the radius of described displacement sensing dish.
3. liquid level gauge caliberating device according to claim 1, is characterized in that: described pulse digit converter side is provided with photoemission diode, and opposite side is provided with opto-electronic receiver diode.
4. liquid level gauge caliberating device according to claim 1, is characterized in that: described displacement sensing dish cylindrical is quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096599.3U CN204405150U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid level gauge caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520096599.3U CN204405150U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid level gauge caliberating device |
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| Publication Number | Publication Date |
|---|---|
| CN204405150U true CN204405150U (en) | 2015-06-17 |
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| CN201520096599.3U Active CN204405150U (en) | 2015-02-02 | 2015-02-02 | A kind of liquid level gauge caliberating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987744A (en) * | 2015-02-02 | 2016-10-05 | 深圳市特安电子有限公司 | Liquidometer calibration device |
| CN110608990A (en) * | 2019-10-31 | 2019-12-24 | 中国电建市政建设集团有限公司 | Continuous negative-pressure water replenishing metering device and water replenishing metering method |
-
2015
- 2015-02-02 CN CN201520096599.3U patent/CN204405150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987744A (en) * | 2015-02-02 | 2016-10-05 | 深圳市特安电子有限公司 | Liquidometer calibration device |
| CN110608990A (en) * | 2019-10-31 | 2019-12-24 | 中国电建市政建设集团有限公司 | Continuous negative-pressure water replenishing metering device and water replenishing metering method |
| CN110608990B (en) * | 2019-10-31 | 2024-03-08 | 中国电建市政建设集团有限公司 | Continuous negative pressure water supplementing metering device and water supplementing metering method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN EXSAF INDUSTRIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN SHIXUE Effective date: 20150721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150721 Address after: 518057 main building of Tian An digital Times Building, Futian District, Guangdong, 1215, Shenzhen Patentee after: Shenzhen ExSaf Industrial Technology Co., Ltd. Address before: 518035 new Lotus building 1-17A, Shenzhen, Guangdong, Futian District Patentee before: Chen Shixue |