CN103591881B - Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor - Google Patents
Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor Download PDFInfo
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- CN103591881B CN103591881B CN201310477923.1A CN201310477923A CN103591881B CN 103591881 B CN103591881 B CN 103591881B CN 201310477923 A CN201310477923 A CN 201310477923A CN 103591881 B CN103591881 B CN 103591881B
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- storehouse
- displacement sensor
- circuit board
- waveguide filament
- rangemagnetostrictive
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- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, it comprises circuit board, waveguide filament and some wires, and the end of described waveguide filament is by wire connecting circuit board, and the middle part of described waveguide filament is coiled into pie; Described circuit board is positioned at the top at the middle part of waveguide filament.The present invention by the middle part of waveguide filament is coiled into pie, and by its end by wire connecting circuit board, makes magnetostrictive displacement sensor not have blind area, magnetostrictive displacement sensor can be made to do less, be adapted to the delicate metering of small range especially.
Description
Technical field
The present invention relates to flow detection technical field, particularly a kind of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor.
Background technology
Magneto strictive sensor be fields of measurement the most reliably, the most precisely, install and use the liquid level sensor of most convenient.Magneto strictive sensor originates from the U.S., and existing numerous manufacturer produces with reference to its technology at home.At present, whole product structure is all in imitation, and distinguishing feature is: instrument shell has a longer cylindrical body outward, or Instrument shell leaves a longer cylindricality step, and the upper end of waveguide filament 10 is directly fixed on rectangular circuit board 20, as shown in Figure 1.Because the treatment technology level of each manufacturer is different, the performance of product is made to have difference, but function not too large difference.
Upper end due to waveguide filament 10 is directly fixed on rectangular circuit board 20, existing magneto strictive sensor is caused to have a common feature: sensor upper end position all exists immeasurable blind area section, just how many differences of the blind area section of each manufacturer.Due to the existence of this blind area, sensor is restricted in the application of some small-ranges or the narrow and small field of installing space.As being highly the container of 200mm, installing one has the sensor of 50mm blind area actual what survey can only be less than within the scope of 150mm.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, to solve the problem that prior art exists certain blind area.
In order to achieve the above object, this invention takes following technical scheme:
A kind of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, it comprises circuit board, waveguide filament and some wires, and the end of described waveguide filament is by wire connecting circuit board, and the middle part of described waveguide filament is coiled into pie; Described circuit board is positioned at the top at the middle part of waveguide filament.
Described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, also comprises electronics storehouse, the lower floor storehouse that described electronics storehouse comprises storehouse, upper strata and is communicated with storehouse, described upper strata, and the middle part of described waveguide filament is arranged in described lower floor storehouse; Wherein, described lower floor is provided with sealed gluing block in storehouse, and the middle part of described waveguide filament is arranged in described sealed gluing block; Described circuit board is installed in storehouse, described upper strata, and is stacked on sealed gluing block.
Described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, also comprise electronics storehouse, be provided with the dividing plate for described electronics storehouse being divided into storehouse, upper strata and lower floor storehouse in described electronics storehouse, described circuit board is installed in storehouse, described upper strata, and the middle part of described waveguide filament is arranged in described lower floor storehouse.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, described wire is electrically connected with circuit board through described dividing plate.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, described circuit board is provided with jack, described wire is inserted in described jack.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, described lower floor is provided with sealed gluing block in storehouse, and the middle part of described waveguide filament is arranged in described sealed gluing block.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, described waveguide filament is provided with insulation course.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, also comprise waveguide rod, one end of described waveguide filament is arranged in described waveguide rod.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, the middle part of described waveguide filament is coiled into round pie.
In described Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, described circuit board is rounded.
Compared to prior art, Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor provided by the invention, by the middle part of waveguide filament is coiled into pie, and by its end by wire connecting circuit board, magnetostrictive displacement sensor is made not have blind area, magnetostrictive displacement sensor can be made to do less, be adapted to the delicate metering of small range especially.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing magnetostrictive displacement sensor.
Fig. 2 is the structural representation of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor of the present invention.
Embodiment
The invention provides a kind of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, for the displacement detecting of machine industry and the liquid level observing and controlling of liquid medium and delicate metering field, there is not blind area in this sensor device, is adapted to the delicate metering of small range especially, its structure is simple, and cost is low.
For making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 2, Fig. 2 is the structural representation of Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor of the present invention.Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor circuit board 101 provided by the invention, waveguide filament 102 and some wires, the end of described waveguide filament 102 is by wire connecting circuit board 101, and the middle part of described waveguide filament 102 is coiled into pie; Described circuit board 101 is positioned at the top at the middle part of waveguide filament 102.
Wherein, described wire comprises the first wire 103 and the second wire 104, one end of described waveguide filament 102 is by the first wire 103 connecting circuit board 101, the middle part of described waveguide filament 102 is coiled into pie, the other end of described waveguide filament 102 is by the second wire 104 connecting circuit board 101, and namely the two ends of waveguide filament 102 are connected with the driving circuit on circuit board 101 with the second wire 104 respectively by the first wire 103.
Waveguide filament 102 is carried out planar circular process by the present invention, launch with one heart with surface level, middle part by waveguide filament 102 is coiled into pie, compared with the magnetostrictive displacement sensor be made up of, makes magnetostrictive displacement sensor not have blind area in its range with tradition the waveguide filament of form of straight lines.
In the embodiment of the present invention, the middle part of described waveguide filament 102 is coiled into round pie, described circuit board 101 is rounded, the diameter of circuit board 101 is preferably identical with the diameter at the middle part of the waveguide filament 102 of round pie, make electronics storehouse can be designed to flat structure, compared with traditional elongated cylindrical structure, there is the feature of appearance looks elegant.Certainly, in other embodiments, middle part and the circuit board 101 of described waveguide filament 102 also can be designed to other shape, as square pie.The present invention is not restricted this.
Also comprise waveguide rod (not shown) in Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor provided by the invention, described waveguide rod is installed on electronics storehouse, and one end of described waveguide filament 102 is arranged in described waveguide rod, and it is existing design, is not described further herein.
Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor provided by the invention also comprises electronics storehouse (not shown), the lower floor storehouse that described electronics storehouse comprises storehouse, upper strata and is communicated with storehouse, described upper strata, is arranged in described lower floor storehouse in the middle part of the pie of described waveguide filament 102; Wherein, described lower floor is provided with sealed gluing block (not shown) in storehouse, and the middle part of described waveguide filament is arranged in described sealed gluing block, avoids the middle part of waveguide filament 102 to contact with air, serves effect of protection waveguide filament 102.Described circuit board is installed in storehouse, described upper strata, and is stacked on sealed gluing block, and this storehouse, upper strata also can determine whether to cast fluid sealant according to environment for use, and the present invention is not restricted this.
Certainly, described electronics storehouse also can adopt other structure, such as, is provided with the dividing plate (not shown) for described electronics storehouse being divided into storehouse, upper strata and lower floor storehouse in described electronics storehouse, described circuit board 101 is installed in storehouse, described upper strata, and the middle part of described waveguide filament 102 is arranged in described lower floor storehouse.Wherein, described lower floor is provided with sealed gluing block (not shown) in storehouse, and the middle part of described waveguide filament 102 is arranged in described sealed gluing block.
When producing, the middle part of the waveguide filament 102 being coiled into pie being placed on after in lower floor storehouse, by fluid sealant of casting in this lower floor storehouse, avoiding the middle part of waveguide filament 102 to contact with air, serving effect of protection waveguide filament 102.And both, by waveguide filament 102 and circuit board 101 split, are electrically connected by wire by the present invention, when keeping in repair, circuit board 101 and waveguide rod split can be keeped in repair, thus saving maintenance cost.
In the present embodiment, described first wire 103 and the second wire 104 are flexible circuit conductor, and described first wire 103 and the second wire 104 are electrically connected with circuit board 101 through described dividing plate.In specific implementation process, described circuit board 101 is provided with jack, described first wire 103 and the second wire are inserted in described jack, are connected with the driving circuit on circuit board 101.The upper end of waveguide filament 102 is directly welded or is fixed on circuit board 101 by tradition magnetostrictive displacement sensor, and the present embodiment, compared with traditional magnetostrictive displacement sensor, simplifies production technology, improves production efficiency.
Further, in Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor of the present invention, described waveguide filament 102 is provided with insulation course, by insulating material insulation blocking, avoids waveguide filament 102 directly to contact with air.
In sum, the present invention by the middle part of waveguide filament is coiled into pie, and by its end by wire connecting circuit board, makes magnetostrictive displacement sensor not have blind area, magnetostrictive displacement sensor can be made to do less, be adapted to the delicate metering of small range especially.And, make waveguide filament and air insulated by fluid sealant and insulating material, make waveguide filament serve the effect of protection waveguide filament from air contact.Meanwhile, it is simple that Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor of the present invention also has manufacture craft, the features such as cost is low.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor, is characterized in that, comprises circuit board, waveguide filament and some wires, and the end of described waveguide filament is by wire connecting circuit board, and the middle part of described waveguide filament is coiled into pie; Described circuit board is positioned at the top at the middle part of waveguide filament; Described wire comprises the first wire and the second wire, and one end of described waveguide filament is by the first wire connecting circuit board, and the other end of waveguide filament is by the second wire connecting circuit board.
2. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 1, is characterized in that, also comprises electronics storehouse, the lower floor storehouse that described electronics storehouse comprises storehouse, upper strata and is communicated with storehouse, described upper strata, and the middle part of described waveguide filament is arranged in described lower floor storehouse; Wherein, described lower floor is provided with sealed gluing block in storehouse, and the middle part of described waveguide filament is arranged in described sealed gluing block; Described circuit board is installed in storehouse, described upper strata, and is stacked on sealed gluing block.
3. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 1, it is characterized in that, also comprise electronics storehouse, the dividing plate for described electronics storehouse being divided into storehouse, upper strata and lower floor storehouse is provided with in described electronics storehouse, described circuit board is installed in storehouse, described upper strata, and the middle part of described waveguide filament is arranged in described lower floor storehouse.
4. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 3, is characterized in that, described wire is electrically connected with circuit board through described dividing plate.
5. the Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 2 or 4, is characterized in that, described circuit board is provided with jack, and described wire is inserted in described jack.
6. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 3, is characterized in that, described lower floor is provided with sealed gluing block in storehouse, and the middle part of described waveguide filament is arranged in described sealed gluing block.
7. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 1, is characterized in that, described waveguide filament is provided with insulation course.
8. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 1, is characterized in that, also comprises waveguide rod, and one end of described waveguide filament is arranged in described waveguide rod.
9. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 1, is characterized in that, the middle part of described waveguide filament is coiled into round pie.
10. Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor according to claim 9, is characterized in that, described circuit board is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477923.1A CN103591881B (en) | 2013-10-14 | 2013-10-14 | Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477923.1A CN103591881B (en) | 2013-10-14 | 2013-10-14 | Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor |
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| Publication Number | Publication Date |
|---|---|
| CN103591881A CN103591881A (en) | 2014-02-19 |
| CN103591881B true CN103591881B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310477923.1A Expired - Fee Related CN103591881B (en) | 2013-10-14 | 2013-10-14 | Full-measuring-rangemagnetostrictive magnetostrictive displacement sensor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788259A (en) * | 2010-03-04 | 2010-07-28 | 上海雷尼威尔测量技术有限公司 | Double-wire differential-type magnetostrictive displacement sensor |
| CN103234443A (en) * | 2013-04-24 | 2013-08-07 | 四川大学 | Wide-range magnetostrictive displacement sensor measuring device and method |
| CN203534508U (en) * | 2013-10-14 | 2014-04-09 | 然斯康波达机电设备(深圳)有限公司 | Full-scale magnetostrictive displacement sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004002891U1 (en) * | 2004-02-25 | 2005-07-07 | Mts Sensor Technologie Gmbh & Co. Kg | Magnetostrictive distance sensor |
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- 2013-10-14 CN CN201310477923.1A patent/CN103591881B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788259A (en) * | 2010-03-04 | 2010-07-28 | 上海雷尼威尔测量技术有限公司 | Double-wire differential-type magnetostrictive displacement sensor |
| CN103234443A (en) * | 2013-04-24 | 2013-08-07 | 四川大学 | Wide-range magnetostrictive displacement sensor measuring device and method |
| CN203534508U (en) * | 2013-10-14 | 2014-04-09 | 然斯康波达机电设备(深圳)有限公司 | Full-scale magnetostrictive displacement sensor |
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| CN103591881A (en) | 2014-02-19 |
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