CN204666226U - One can self-tuning magnetostriction liquidometer - Google Patents
One can self-tuning magnetostriction liquidometer Download PDFInfo
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- CN204666226U CN204666226U CN201520065191.XU CN201520065191U CN204666226U CN 204666226 U CN204666226 U CN 204666226U CN 201520065191 U CN201520065191 U CN 201520065191U CN 204666226 U CN204666226 U CN 204666226U
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Abstract
The utility model discloses one can self-tuning magnetostriction liquidometer, comprise: sensor, also comprise: at least two Magnetic Induction elements, wherein, described sensor has measuring staff, circuit, waveguide filament and at least two magnetic floats, described measuring staff is positioned in detected liquid, described Magnetic Induction element is arranged at the predeterminated position of described measuring staff, when described magnetic float and its are highly equal, send signal, described circuit receives described signal, and the torsional wave pulse be received on described waveguide filament, and correct according to the position of described signal to the described magnetic float utilizing described torsional wave pulse to locate.Described can self-tuning magnetostriction liquidometer, automatically calibrating liquid level, saves cost of human resources.
Description
Technical field
The utility model relates to Magnetic Sensor field, and particularly relating to one can self-tuning magnetostriction liquidometer.
Background technology
Traditional magnetostriction liquidometer is used for measuring fuel filling station and crouches in tank water level in oil product liquid level and tank, and in tank, the position of oil level and water level records by the liquid surface float of carry magnet and the interface float of carry magnet respectively.But, magnetostrictive liquid level apparatus Problems existing traditional at present: owing to having too much impurity and iron filings in oil tank, once iron adsorption on ball float or impurity drop on ball float, can impact the weight of ball float, the size that ball float floats in liquid level can be affected.In this case the height value of the same point recorded after certain specific position tank gage ball float weight change can be caused to change to some extent; For some waveguide filament, along with the situation that the speed that mechanical wave transmits on waveguide filament changes may appear in the change of environment and the increase of tenure of use.
Solution of the prior art is: in time occurring that innage is forbidden, staff gets rid of reason to on-the-spot, determine what the transfer rate change on waveguide filament of ball float weightening finish or mechanical wave caused, if the former, need to clean ball float to carry out Zero calibration to tank gage again, if the latter, need manual at the scene demarcation.But undesirably increase human cost, reduce economic benefit.
Utility model content
The purpose of this utility model is to provide one can self-tuning magnetostriction liquidometer, the height of automatically calibrating liquid level, and not needing increases human cost, creates economic benefit.
For solving the problems of the technologies described above, the utility model embodiment provides one can self-tuning magnetostriction liquidometer, comprise: sensor, also comprise: at least two Magnetic Induction elements, wherein, described sensor has measuring staff, circuit, waveguide filament and at least two magnetic floats, described measuring staff is positioned in detected liquid, described Magnetic Induction element is arranged at the predeterminated position of described measuring staff, when described magnetic float and its are highly equal, send signal, described circuit receives described signal, and the torsional wave pulse be received on described waveguide filament, and correct according to the position of described signal to the described magnetic float utilizing described torsional wave pulse to locate.
Preferably, describedly also can comprise control desk by self-tuning magnetostriction liquidometer, described control desk is connected with described sensor, the described signal received for circuit described in Storage and Processing and described torsional wave pulse.
What the utility model embodiment provided can self-tuning magnetostriction liquidometer, compared with prior art, has the following advantages:
What the utility model embodiment provided can self-tuning magnetostriction liquidometer, comprise: sensor, also comprise: at least two Magnetic Induction elements, wherein, described sensor has measuring staff, circuit, waveguide filament and at least two magnetic floats, described measuring staff is positioned in detected liquid, described Magnetic Induction element is arranged at the predeterminated position of described measuring staff, when described magnetic float and its are highly equal, send signal, described circuit receives described signal, and the torsional wave pulse be received on described waveguide filament, and correct according to the position of described signal to the described magnetic float utilizing described torsional wave pulse to locate.
Described can self-tuning magnetostriction liquidometer, when detecting the liquid level of detected liquid, described magnetic float moves along described measuring staff, and when moving to the height equal with described Magnetic Induction element, described Magnetic Induction element sends signal.Because described Magnetic Induction element is fixed on described measuring staff, described circuit is by accepting described signal and described torsional wave pulse, and according to described signal and described torsional wave pulse, magnetic float described in accurate measurement arrives the liquid level at described Magnetic Induction element place.Because described Magnetic Induction element is fixed on described measuring staff, if described magnetic float is through described Magnetic Induction element, the level readings obtained is inaccurate, and can correct according to the reading of history, then the liquid level finally recorded is accurately.Due to unpunctual in liquid level, can automatic calibration be carried out, without the need to carrying out manual synchronizing, decrease cost of human resources, creating economic benefit.
In sum, what the utility model embodiment provided can self-tuning magnetostriction liquidometer, can realize the automatic calibration to liquid level, decrease the waste of human cost, add economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiments more of the present utility model, 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.
Fig. 1 for the utility model embodiment provide can a kind of schematic diagram of embodiment of self-tuning magnetostriction liquidometer.
Embodiment
Just as described in the background section, magnetostriction liquidometer of the prior art, when there is the situation that liquid level is forbidden, need the scene of staff to carry out judging and demarcating, waste human cost, efficiency is low.
Based on this, embodiments providing one can self-tuning magnetostriction liquidometer, comprise: sensor, also comprise: at least two Magnetic Induction elements, wherein, described sensor has measuring staff, circuit, waveguide filament and at least two magnetic floats, described measuring staff is positioned in detected liquid, described Magnetic Induction element is arranged at the predeterminated position of described measuring staff, when described magnetic float and its are highly equal, send signal, described circuit receives described signal, and the torsional wave pulse be received on described waveguide filament, and correct according to the position of described signal to the described magnetic float utilizing described torsional wave pulse to locate.
In sum, what the utility model embodiment provided can self-tuning magnetostriction liquidometer, by the fixed position in described sensor being installed described Magnetic Induction element, when described magnetic float moves to equal with the height of described Magnetic Induction element, send signal; The torque ripple pulse that described circuit produces at described waveguide filament, described circuit receives described signal and described torsional pulses ripple, and according to described signal and described torsional wave pulse, magnetic float described in accurate measurement arrives the liquid level at described Magnetic Induction element place.Because described Magnetic Induction element is fixed on described measuring staff, if described magnetic float is through described Magnetic Induction element, the level readings obtained is inaccurate, and can correct according to the reading of history, then the liquid level finally recorded is accurately.Due to unpunctual in liquid level, can automatic calibration be carried out, without the need to carrying out manual synchronizing, decrease cost of human resources, creating economic benefit.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
As with reference to figure 1, Fig. 1 for the utility model embodiment provide can a kind of schematic diagram of embodiment of self-tuning magnetostriction liquidometer.
In a kind of embodiment, described can self-tuning magnetostriction liquidometer, comprise: sensor 100, also comprise: at least two Magnetic Induction elements 200, wherein, described sensor 100 has measuring staff 110, circuit 120, waveguide filament 130 and at least two magnetic floats 140, described measuring staff 110 is positioned in detected liquid, described Magnetic Induction element 200 is arranged at the predeterminated position of described measuring staff 110, when described magnetic float 120 and its are highly equal, send signal, described circuit 120 receives described signal, and the torsional wave pulse be received on described waveguide filament 130, and correct according to the position of described signal to the described magnetic float 140 utilizing described torsional wave pulse to locate.
Preferably, describedly also can comprise control desk by self-tuning magnetostriction liquidometer, described control desk is connected with described sensor 100, the described signal received for circuit described in Storage and Processing 120 and described torsional wave pulse.Describedly can also comprise described control desk by self-tuning magnetostriction liquidometer, described control desk, for storing, processing the data in measuring process, can remove test data, carries out abnormal judgement, and the initial value ensureing in control desk is value when normally using.It should be noted that, interface can also be preset in described control desk, the utility model is not specifically limited described control desk, as long as can the signal that receives of circuit 120 described in Storage and Processing and described torsional wave pulse, calculate current level readings, and can not carry out on time correcting in liquid level.
Level readings H2 when magnetic float 140 is equal with the height of described Magnetic Induction element 200 described in described control desk record, and with described magnetic float 140 arrive the height of described Magnetic Induction element 200 equal time history level readings H1 make comparisons, if the difference of H2 and H1 exceedes preset value, level readings when then described control desk is equal with the height of described Magnetic Induction element 200 by described magnetic float 140 is compensated for as H1, otherwise, record current level readings H2.During described preset value, the described magnetic float 140 that presets with reach described Magnetic Induction element 200 highly equal time level readings, the error range that system can allow, when the difference of H2 and H1 exceedes described preset value, illustrates that it is inaccurate for now measuring the level readings obtained.Due in use, the proportion of described magnetic float 140 changes and causes.It should be noted that, described H2 and H1 can be described magnetic float equal with the height of same described Magnetic Induction element time reading, also can be described magnetic float equal with the height of multiple described magnetic float time reading list, the present invention is not specifically limited, as long as can obtain level value more accurately described preset value and described level value compensation way.
Initial separation described in described control desk record between Magnetic Induction element 200, and the described torsional wave pulse transfer rate K described Magnetic Induction element 200 between current according to described signal measurement, if when the difference of the transfer rate of current described transfer rate K and history reaches predetermined value, described control desk automatic calibration transfer rate is current described transfer rate K, otherwise described control desk uses the transfer rate of described history.Such as, when the number of described Magnetic Induction element 200 is two, the initial separation S1 of the described Magnetic Induction element 200 of described control desk record two, described magnetic float 120 arrive the height of first described Magnetic Induction element 200 equal time level readings H11, when described magnetic float 120 arrives the height of second described Magnetic Induction element 200, the transmission speed K of torsional wave pulse that the numerical value of level readings H22, H11, H22 relies on described magnetic float to produce on described waveguide filament and the product of transmission time T record.After tank gage uses certain hour, transfer rate K may change, and can have an impact like this to metering.Therefore after tank gage uses a period of time, the current transmission time T1 of described torsional wave pulse between two described Magnetic Induction elements 200 will be recorded and calculate current transmission speed K1 value, if K1 value and initial value K change greatly, exceed predetermined value, in described control desk, K value is compensated for as K1, can ensure like this survey distance S1 not yet between two described Magnetic Induction elements.When the number of described Magnetic Induction element is more than two, to the correcting mode of described torsional wave pulse in the velocity of propagation of described waveguide filament 130, correcting mode when being two according to the above-mentioned number at described Magnetic Induction element 200 is analogized.As long as the transmission speed of described torsional wave pulse is measured correct, the accuracy of the liquid level so finally recorded will be higher.It should be noted that, the correction of the present invention to described predetermined value and concrete transfer rate is not specifically limited, and is not specifically limited the spacing between described Magnetic Induction element 200, but must at differing heights.
In summary, what the utility model embodiment provided can self-tuning magnetostriction liquidometer, by before measurement liquid level, measure the liquid level that described magnetic float arrives the height of described Magnetic Induction element, judge that whether current measurement is accurate, if inaccurate, then correct, make the liquid level finally recorded be accurately.Described level measuring method, owing to automatically can not correct on time in liquid level, decreases the waste of human resources, creates economic benefit.
Can be described in detail by self-tuning magnetostriction liquidometer provided by the utility model above.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (2)
1. one kind can self-tuning magnetostriction liquidometer, comprise: sensor, it is characterized in that, also comprise: at least two Magnetic Induction elements, wherein, described sensor has measuring staff, circuit, waveguide filament and at least two magnetic floats, described measuring staff is positioned in detected liquid, described Magnetic Induction element is arranged at the predeterminated position of described measuring staff, when described magnetic float and its are highly equal, send signal, described circuit receives described signal, and the torsional wave pulse be received on described waveguide filament, and correct according to the position of described signal to the described magnetic float utilizing described torsional wave pulse to locate.
2. as claimed in claim 1 can self-tuning magnetostriction liquidometer, it is characterized in that, describedly also can comprise control desk by self-tuning magnetostriction liquidometer, described control desk is connected with described sensor, the described signal received for circuit described in Storage and Processing and described torsional wave pulse.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520065191.XU CN204666226U (en) | 2015-01-29 | 2015-01-29 | One can self-tuning magnetostriction liquidometer |
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| CN201520065191.XU CN204666226U (en) | 2015-01-29 | 2015-01-29 | One can self-tuning magnetostriction liquidometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568071A (en) * | 2015-01-29 | 2015-04-29 | 青岛澳科仪器有限责任公司 | Magnetostrictive liquid level meter supportive of self-correction and liquid level measuring method |
| CN107218516A (en) * | 2017-07-19 | 2017-09-29 | 中国水利水电科学研究院 | A kind of water delivery in pipeline system multiple spot minute leakage detection means and method |
| CN107355684A (en) * | 2017-07-19 | 2017-11-17 | 中国水利水电科学研究院 | A kind of accident of pipeline network waterpower monitoring experimental system and its method for realizing fault identification |
-
2015
- 2015-01-29 CN CN201520065191.XU patent/CN204666226U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568071A (en) * | 2015-01-29 | 2015-04-29 | 青岛澳科仪器有限责任公司 | Magnetostrictive liquid level meter supportive of self-correction and liquid level measuring method |
| CN107218516A (en) * | 2017-07-19 | 2017-09-29 | 中国水利水电科学研究院 | A kind of water delivery in pipeline system multiple spot minute leakage detection means and method |
| CN107355684A (en) * | 2017-07-19 | 2017-11-17 | 中国水利水电科学研究院 | A kind of accident of pipeline network waterpower monitoring experimental system and its method for realizing fault identification |
| CN107218516B (en) * | 2017-07-19 | 2018-12-21 | 中国水利水电科学研究院 | A kind of water delivery in pipeline system multiple spot minute leakage detection device and method |
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