CN104729394A - High-precision magnetostrictive displacement sensor - Google Patents
High-precision magnetostrictive displacement sensor Download PDFInfo
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- CN104729394A CN104729394A CN201510093486.2A CN201510093486A CN104729394A CN 104729394 A CN104729394 A CN 104729394A CN 201510093486 A CN201510093486 A CN 201510093486A CN 104729394 A CN104729394 A CN 104729394A
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- waveguide
- microprocessor
- displacement sensor
- circuit
- sounding rod
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Abstract
The invention discloses a high-precision magnetostrictive displacement sensor which comprises a measuring rod. A waveguide tube is arranged at the lower end of the measuring rod, a waveguide wire is arranged in the waveguide tube, the waveguide tube is sleeved with a floater, an electronic bin is installed on the top of the measuring rod, a microprocessor is arranged in the electronic bin and is connected with an excitation pulse circuit which is connected with the waveguide wire, the waveguide wire is connected with an echo detection device, the echo detection device is connected with an echo processing circuit connected with the microprocessor, and the output end of the microprocessor is connected with a communication interface, a display circuit and a time interval measuring circuit. By means of the mode, data collection, processing and display in the sensor can be achieved, the sensor has the basic function that data are transmitted to an upper computer to be processed, and the aim of improving sensor precision is achieved.
Description
Technical field
The present invention relates to magnetostrictive displacement sensor field, particularly relate to a kind of high precision magnetostrictive displacement sensor.
Background technology
Improving in the related art method research carried out for magnetostrictive displacement sensor measuring accuracy, due to the displacement measurement system of magnetostrictive displacement sensor, generally be made up of parts such as heavy current pulse transmitting, detection of the backscatter signal and amplification, time quantum measurement, HART communication, wherein high resolution time course response Method and Technology, forms one of magnetostrictive displacement sensor gordian technique realizing high-acruracy survey.High resolution time course response is realized by the second generation TDC-GP2 chip adopting ACAM company to produce, not only can reduce electronic component usage quantity and volume in a large number, for magnetostrictive displacement sensor research provides new mentality of designing, and in the gap in this field, there is positive effect with developed country to shortening China.
Make full use of for signal transacting, time measurement module, HART communication module carries out design research and development, complete the SCM peripheral circuit design to magnetostrictive displacement sensor, thus realize the collection of data in sensor, process, on-the-spot display, and data are transferred to the basic function that host computer carries out processing, complete the design to displacement transducer time measurement chip periphery circuit, thus realizing the object improving sensor accuracy, actual product sample survey reaches design objective and requirement.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of high precision magnetostrictive displacement sensor, the collection of data in sensor, process, display can be realized, possess and data are transferred to the basic function that host computer carries out processing, realize the object improving sensor accuracy.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of high precision magnetostrictive displacement sensor, comprise sounding rod, described sounding rod lower end is provided with waveguide, waveguide filament is provided with in described waveguide, outside described waveguide, cover has a float, described sounding rod top is installed and is arranged electronics storehouse, microprocessor is provided with in described electronics storehouse, described microprocessor connects driving pulse circuit, described driving pulse circuit connects described waveguide filament, described waveguide filament connects echo detection device, described echo detection device connects echo processing circuit, described echo processing circuit connects described microprocessor, described output end of microprocessor connects communication interface respectively, display circuit and time interval measuring circuit.In a preferred embodiment of the present invention, between described float with described waveguide, relative noncontact is slided.
In a preferred embodiment of the present invention, described driving pulse circuit, described waveguide filament, described echo detection device, to be interconnected in primary Ioops between described echo processing circuit and described microprocessor.
In a preferred embodiment of the present invention, when described sounding rod is measured, rated operational voltage is 24VDC, and when described sounding rod is measured, normal working voltage is 9-30VDC.
In a preferred embodiment of the present invention, described sounding rod rated operating pressure optional 2.5MPa, 4MPa, 6.3MPa.
The invention has the beneficial effects as follows: the present invention can realize the collection of data in sensor, process, display to possess and data are transferred to the basic function that host computer carries out processing, realize the object improving sensor accuracy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, 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, wherein:
Fig. 1 is the circuit theory diagrams of high precision magnetostrictive displacement sensor one of the present invention preferred embodiment;
Fig. 2 is the structural representation of high precision magnetostrictive displacement sensor one of the present invention preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, sounding rod; 2, waveguide; 3, waveguide filament; 4, float; 5, electronics storehouse; 6, microprocessor; 7, driving pulse circuit; 8, echo detection device; 9, echo processing circuit; 10, communication interface; 11, display circuit; 12, time interval measuring circuit.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the embodiment of the present invention comprises:
A kind of high precision magnetostrictive displacement sensor, comprise sounding rod 1, described sounding rod 1 lower end is provided with waveguide 2, waveguide filament 3 is provided with in described waveguide 2, outside described waveguide 2, cover has a float 4, described sounding rod 1 top is installed and is arranged electronics storehouse 5, microprocessor 6 is provided with in described electronics storehouse 5, described microprocessor 6 connects driving pulse circuit 7, described driving pulse circuit 7 connects described waveguide filament 3, described waveguide filament 3 connects echo detection device 8, described echo detection device 8 connects echo processing circuit 9, described echo processing circuit 9 connects described microprocessor 6, described microprocessor 6 output terminal connects communication interface 10 respectively, display circuit 11 and time interval measuring circuit 12.In addition, between described float 4 with described waveguide 2, relative noncontact is slided.
In addition, described driving pulse circuit 7, described waveguide filament 3, described echo detection device 8, be interconnected in primary Ioops between described echo processing circuit 9 and described microprocessor 6.
In addition, when described sounding rod 1 is measured, rated operational voltage is 24VDC, and when described sounding rod 1 is measured, normal working voltage is 9-30VDC.
In addition, described sounding rod 1 rated operating pressure optional 2.5MPa, 4MPa, 6.3MPa.
Principle of work of the present invention is for arrange waveguide 2 in sounding rod 1 lower end, waveguide filament 3 is provided with in waveguide 2, outside waveguide 2, cover has a float 4, and sounding rod 1 top is installed and arranged electronics storehouse 5, and electronics storehouse 5 is for realizing the collection of data in sensor, process, display.
Microprocessor 6 is provided with in electronics storehouse 5, microprocessor 6 connects driving pulse circuit 7, driving pulse circuit 7 connects waveguide filament 3, waveguide filament 3 connects echo detection device 8, echo detection device 8 connects echo processing circuit 9, echo processing circuit 9 connects microprocessor 6, driving pulse circuit 7, waveguide filament 3, echo detection device 8, be interconnected between echo processing circuit 9 and microprocessor 6 in primary Ioops, microprocessor 6 output terminal connects communication interface 10 respectively, display circuit 11 and time interval measuring circuit 12, realize heavy current pulse to launch, detection of the backscatter signal and amplification, time quantum is measured, the function of HART communication.
When sounding rod 1 is measured, rated operational voltage is 24VDC, and when sounding rod 1 is measured, normal working voltage is 9-30VDC, sounding rod 1 rated operating pressure optional 2.5MPa, 4MPa, 6.3MPa, ensures the even running of measuring.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a high precision magnetostrictive displacement sensor, comprise sounding rod, it is characterized in that, described sounding rod lower end is provided with waveguide, waveguide filament is provided with in described waveguide, outside described waveguide, cover has a float, described sounding rod top is installed and is arranged electronics storehouse, microprocessor is provided with in described electronics storehouse, described microprocessor connects driving pulse circuit, described driving pulse circuit connects described waveguide filament, described waveguide filament connects echo detection device, described echo detection device connects echo processing circuit, described echo processing circuit connects described microprocessor, described output end of microprocessor connects communication interface respectively, display circuit and time interval measuring circuit.
2. high precision magnetostrictive displacement sensor according to claim 1, is characterized in that, between described float with described waveguide, relative noncontact is slided.
3. high precision magnetostrictive displacement sensor according to claim 1, is characterized in that, described driving pulse circuit, described waveguide filament, described echo detection device, is interconnected in primary Ioops between described echo processing circuit and described microprocessor.
4. high precision magnetostrictive displacement sensor according to claim 1, is characterized in that, when described sounding rod is measured, rated operational voltage is 24VDC, and when described sounding rod is measured, normal working voltage is 9-30VDC.
5. high precision magnetostrictive displacement sensor according to claim 1, is characterized in that, described sounding rod rated operating pressure optional 2.5MPa, 4MPa, 6.3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093486.2A CN104729394A (en) | 2015-03-03 | 2015-03-03 | High-precision magnetostrictive displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093486.2A CN104729394A (en) | 2015-03-03 | 2015-03-03 | High-precision magnetostrictive displacement sensor |
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| Publication Number | Publication Date |
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| CN104729394A true CN104729394A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510093486.2A Pending CN104729394A (en) | 2015-03-03 | 2015-03-03 | High-precision magnetostrictive displacement sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764393A (en) * | 2015-03-27 | 2015-07-08 | 扬州工业职业技术学院 | High-precision magnetostrictive displacement sensor |
| CN105953718A (en) * | 2016-07-20 | 2016-09-21 | 蚌埠学院 | High-precision magnetostrictive displacement sensor signal conditioning circuit |
| CN105973135A (en) * | 2016-07-22 | 2016-09-28 | 上海兹亚智能科技有限公司 | Magnetostrictive displacement sensor and applicable displacement measurement device |
| CN109631737A (en) * | 2019-01-07 | 2019-04-16 | 上海自动化仪表有限公司 | The magnetostrictive displacement sensor of quick response |
| CN113432521A (en) * | 2021-06-11 | 2021-09-24 | 北京奥特美克科技股份有限公司 | High-precision displacement sensor |
-
2015
- 2015-03-03 CN CN201510093486.2A patent/CN104729394A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764393A (en) * | 2015-03-27 | 2015-07-08 | 扬州工业职业技术学院 | High-precision magnetostrictive displacement sensor |
| CN105953718A (en) * | 2016-07-20 | 2016-09-21 | 蚌埠学院 | High-precision magnetostrictive displacement sensor signal conditioning circuit |
| CN105973135A (en) * | 2016-07-22 | 2016-09-28 | 上海兹亚智能科技有限公司 | Magnetostrictive displacement sensor and applicable displacement measurement device |
| CN109631737A (en) * | 2019-01-07 | 2019-04-16 | 上海自动化仪表有限公司 | The magnetostrictive displacement sensor of quick response |
| CN113432521A (en) * | 2021-06-11 | 2021-09-24 | 北京奥特美克科技股份有限公司 | High-precision displacement sensor |
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Application publication date: 20150624 |