CN204556056U - Pliability mangneto position transducer - Google Patents
Pliability mangneto position transducer Download PDFInfo
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- CN204556056U CN204556056U CN201520269614.XU CN201520269614U CN204556056U CN 204556056 U CN204556056 U CN 204556056U CN 201520269614 U CN201520269614 U CN 201520269614U CN 204556056 U CN204556056 U CN 204556056U
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- mangneto
- pliability
- fixed seat
- pipe fitting
- position transducer
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Abstract
The utility model discloses a kind of pliability mangneto position transducer, comprise a body, a sensing circuit module, a upper fixed seat, a pliability pipe fitting, a magnetic movable moving cell, a lower fixed seat, an elastic stretching part and a mangneto line.Sensing circuit module installation is in body, and upper fixed seat is connected with body.Pliability pipe fitting is connected with upper fixed seat, and magnetic movable moving cell is arranged at pliability pipe fitting movably.Lower fixed seat is connected with pliability pipe fitting, and elastic stretching part is arranged in lower fixed seat.Mangneto line is arranged in pliability pipe fitting, and mangneto line one end is connected with upper fixed seat, and the other end is then connected with elastic stretching part.Simplify inner structure whereby and the fiduciary level of lift structure intensity and use.
Description
Technical field
The utility model belongs to sensor technical field, is specifically related to a kind of pliability mangneto position transducer.
Background technology
Magnetostriction thing liquid level sensor (Magnetostrictive Liquid Level Measurement Sensor) is accurate industrial position transducer (Position Detection), and its internal drive principle is that circuit arrangement inputs a pulse current and enters in coil.Coil produces induced field makes magnetic conduction line (magnetostriction materials) produce small vibrations or changes of magnetic field, magnetic field and external persistent magnet can interact, last signal gets back to sensing circuit device, and the time interval of recycling pulse current and echo signal calculates and detects the sensed position of magnet.Because magneto strictive sensor is the product of high precision and high stability, therefore the structural design of inside is just very important, suitable fiduciary level structural design should be had and assembling process is simple not numerous and diverse.
Furthermore, the start principle of magnetostriction position transducer utilizes magnetic strength, measures the vibration signal of echo.Whole start mechanism is (1) Electric Trigger current impulse signal feed-in magnetic permeable material, produces magnetic field with the light velocity along magnetic permeable material transfers; (2) impact mutually with the fixed magnetic field on magnetic movable kinetoplast, magnetic permeable material is because quality is much smaller than ball float, and the reacting force impacted mutually due to magnetic field evokes strain seismic wave, and this seismic wave transmits along magnetic permeable material both sides with acoustic velocity; (3) when this seismic wave is passed back, seismic wave via a piezoelectric transducer or coil, output voltage pulse signal; (4) Electric Trigger signal and potential pulse signal, calculates seismic wave velocity of wave and mistiming, obtains Distance positioning value.
Have a kind of magnetostriction position transducer as the U.S.'s the 5th, 998, No. 991 patent of invention cases disclose, it sets up the spring of Shi Hanzhang separately at magnetic permeable material two ends, makes magnetic permeable material be subject to certain pulling force to maintain good electromagnetic riveting machine signal and to measure the linearity.But spring uses for a long time in an environment of high temperature, add that namely itself have tired shortcoming, causes the instability of the linearity, on the other hand, described case structure is numerous and diverse, adds spare part package program.
From the above, existing magnetostriction position transducer is real further self-criticism, and seeks necessity of feasible solution.
Utility model content
In order to overcome the defect existed in prior art, the utility model provides a kind of and simplifies inner structure and the pliability mangneto position transducer of lift structure intensity and use reliability; Another object of the utility model, is the spare part providing a kind of simplification, effectively reduces installation procedure, and reaches maintenance high temperature resistance, shatter-proof pliability mangneto position transducer simultaneously.
Concrete technical scheme is as follows:
A kind of pliability mangneto position transducer, comprising: a body; One sensing circuit module, is arranged in described body; One upper fixed seat, is connected with described body one end; One pliability pipe fitting, one end is connected with one end of fixed seat; One magnetic movable moving cell, is arranged on described pliability pipe fitting movably; One lower fixed seat, is connected with the other end of described pliability pipe fitting; One elastic stretching part, is arranged in described lower fixed seat; And a mangneto line, be arranged in described pliability pipe fitting, described mangneto line one end is connected with fixed seat, the other end is then connected with described elastic stretching part, wherein when described pliability pipe fitting is straight shape, described elastic stretching part imposes elastic force to described mangneto line toward the direction of described lower fixed seat, makes described mangneto line be straight shape.
As prioritization scheme, also comprise the protection tube being sheathed on described pliability pipe fitting, wherein said protection tube can be a snake belly tube, one braiding webmaster or a Compress Spring one of them.
As prioritization scheme, also comprise a signal transmission line, neighboringly and described mangneto line arrange or be arranged between described pliability pipe fitting and described protection tube, and to be electrically connected with described sensing circuit module.
As prioritization scheme, wherein said lower fixed seat also has a upper bush and a lower sleeve, is also provided with at least one waterproof washer between described upper bush and described lower sleeve, and described elastic stretching part is arranged in described upper bush.
As prioritization scheme, also comprise the fixation kit being incorporated into described lower sleeve, described fixation kit is sheathed on described pliability pipe fitting, and described pliability pipe fitting one end has the axle sleeve that is nested with described upper bush and wears an opening for described mangneto line.
As prioritization scheme, wherein said elastic stretching part is a snail spring or a stripe shape spring.
As prioritization scheme, wherein said snail spring also comprises a latch, and described latch wears described snail spring respectively and is positioned described lower fixed seat both sides.
As prioritization scheme, wherein said lower fixed seat outer bottom is provided with one barrel of groove integrated structure.
As prioritization scheme, wherein said bucket groove integrated structure is a screw or a perforation.
As prioritization scheme, the coated insulation tube bank of wherein said mangneto line.
As prioritization scheme, wherein said magnetic movable moving cell can be the magnetic ball float of or more.
Compared with prior art, the utility model has following beneficial effect:
The utility model utilizes the elastic stretching power of elastic stretching part to be straight shape by mangneto line drawing, can improve high precision and the fiduciary level of sensor whereby.In addition, the utility model makes relevant operating personnel be able to also can reach antidetonation away from during rugged surroundings, high temperature resistant requirement of Denging, and then accomplish accurate monitoring, to reduce unexpected generation.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the utility model pliability mangneto position transducer;
Fig. 2 is that the utility model is applied to the cut-open view stored on a storage barrel groove of raw material;
Fig. 3 is the exploded view of the utility model lower fixed seat in conjunction with pliability pipe fitting;
Fig. 4 is the stereographic map of Fig. 3.
[symbol description]
100 sensors
110 sensing shells
120 bodies
130 sensing circuit modules
140 mangneto lines
142 signal transmission lines
146 hook parts
150 upper fixed seats
180 pliability pipe fittings
182 protective sleeves
184 axle sleeves
186 openings
190 magnetic movable moving cells
200 lower fixed seats
210 upper bushes
212 waterproof washers
214 pilot holes
216 short slots
220 lower sleeves
222 barrels of groove integrated structures
230 fixation kits
250 elastic stretching parts
252 latches
254 buckle portions
300 storage barrel grooves
310 raw materials
320 barrels of groove unitized constructions
330 cables
Embodiment
The detailed description of relevant the utility model and technology contents, coordinate graphic being described as follows, but institute's accompanying drawings only provides with reference to and use is described, is not used for the utility model in addition limitr.
As shown in Figure 1 to Figure 3, the utility model provides a kind of pliability mangneto position transducer 100, is installed on and stores on a storage barrel groove 300 of a raw material 310.Storage barrel groove 300 described herein is preferably the liquid level measurements/position detection referring to petrochemical industry industry, wastewater treatment industry or be used in the rugged surroundings such as high temperature and vibrations etc. for a long time, wherein raw material 310 be corresponding volatile organic liquid, sewage, electrolytic solution or other contain toxic etc. thing/liquid.
Sensor 100 in the present embodiment comprises body 120, sensing circuit module 130, upper fixed seat 150, pliability pipe fitting 180, magnetic movable moving cell 190, lower fixed seat 200, elastic stretching part 250 and a mangneto line 140.In embodiment as shown in Figure 1, more comprise the protection tube 182 being sheathed on pliability pipe fitting 180, wherein protection tube 182 can be a snake belly tube, one braiding webmaster or a Compress Spring one of them, make pliability pipe fitting 180 still have flexibility.In addition, the present embodiment more comprises a signal transmission line 142, and compartment of terrain and mangneto line 140 are arranged, and one end and sensing circuit module 130 are electrically connected.But in the embodiment that other are different, signal transmission line 142 also can be arranged between pliability pipe fitting 180 and protection tube 182.Shown in Fig. 2, magnetic movable moving cell 190 is arranged on pliability pipe fitting 180 movably, and that is magnetic movable moving cell 190 is followed and floated on the liquid level position of raw material 310.In the present embodiment, magnetic movable moving cell 190 is preferably the magnetic ball float of or more.
When sensing circuit module 130 produce a pulse current (figure slightly) enter inductive coil (figure slightly) time, inductive coil can produce induced field makes mangneto line 140 (for magnetostriction materials) produce small vibrations or changes of magnetic field, and interact with magnetic movable moving cell 190, last signal gets back to sensing circuit module 130 through signal transmission line 142.Therefore namely the present embodiment utilizes the mistiming of pulse current and echo signal and calculates the position of magnetic movable moving cell 190, the namely position of raw material 310 surface level.
Shown in Fig. 3 and Fig. 4, lower fixed seat 200 is connected with the other end of pliability pipe fitting 180, and lower fixed seat 200 is fixed on bottom storage barrel groove 300.Elastic stretching part 250 is arranged in lower fixed seat 200, so as to connecting and the mangneto line 140 that stretches.Lower fixed seat 200 also has upper bush 210 and a lower sleeve 220.Also be provided with at least one waterproof washer 212 between upper bush 210 and lower sleeve 220, wherein elastic stretching part 250 is arranged in upper bush 210.As shown in Figure 3, elastic stretching part 250 is preferably a snail spring or the stripe shape spring that one end is provided with a buckle portion 254.The upper bush 210 of the present embodiment is also formed with a short slot 216 of a pair pilot hole 214 and accommodating elastic stretching part 250.
Explain for snail spring in the present embodiment, also include a latch 252, latch 252 wears snail spring respectively and is positioned the described in pilot hole 214 of lower fixed seat 220, makes elastic stretching part 250 centered by latch 252, has resilience convergent force to buckle portion 254.
In addition, mangneto line 140 and signal transmission line 142 are arranged in pliability pipe fitting 180 respectively, wherein mangneto line 140 one end is connected with the sensing circuit module 130 of upper fixed seat 150, the other end is then connected with elastic stretching part 250, wherein the end of mangneto line 140 also has a hook part 146 that can engage with buckle portion 254, and mangneto line 140 is conveniently fastened with elastic stretching part 250.The fixation kit 230 being incorporated into lower sleeve 220 is also comprised in the present embodiment.Fixation kit 230 is sheathed on pliability pipe fitting 180 in advance, and is fixed on lower sleeve 220 one end in the mode that spiral shell is solid.Pliability pipe fitting 180 one end also has the axle sleeve 184 that is nested with upper bush 210 and wears an opening 186 for mangneto line 140.After opening 186 distinguishes sheathed upper bush 210 and elastic stretching part 250, more such as, through fixation kit 230, nut etc., be fixed at one end of lower sleeve 220, the axle sleeve 184 of so fixing pliability pipe fitting 180.
Lower fixed seat 200 outer bottom is also provided with the one barrel of groove integrated structure 222 that can be a perforation or a screw, fixes for the bucket groove unitized construction 320 that should be cable 330 or stud (scheming slightly) mutually.Therefore when pliability pipe fitting 180 stretches and for straight shape, elastic stretching part 250 pairs of mangneto lines 140 impose elastic force toward the direction of lower fixed seat 200, also make mangneto line 140 be straight shape.After mangneto line 140 is subject to certain pulling force straighe shape whereby, good electromagnetic riveting machine signal could be maintained and measure the linearity, to improve the quality promoting and measure.Moreover mangneto line 140 described herein also can a coated aluminum metal tube-surface insulation tube bank (figure slightly) imposed made by anode process, to increase insulation and reliability.
The utility model really can be reached and simplify inner structure and lift structure intensity and use reliability, and therefore the utility model utilizes the spare part simplified, and effectively reduces installation procedure, and reaches maintenance high temperature resistance, shatter-proof demand simultaneously.In addition, the utility model utilizes the elastic stretching power of elastic stretching part 250 that mangneto line 140 is stretched as straight shape, can improve high precision and the fiduciary level of sensor 100 by this.
In sum, should be regarded as the utility model is described in this embodiment disclosed herein, and be not used to limit the utility model.Scope of the present utility model should be defined by rear attached claim, and contains its legal equivalents, is not limited to previous description.
Claims (11)
1. a pliability mangneto position transducer, is characterized in that, comprising:
One body;
One sensing circuit module, is arranged in described body;
One upper fixed seat, is connected with described body one end;
One pliability pipe fitting, one end is connected with one end of fixed seat;
One magnetic movable moving cell, is arranged on described pliability pipe fitting movably;
One lower fixed seat, is connected with the other end of described pliability pipe fitting;
One elastic stretching part, is arranged in described lower fixed seat; And
One mangneto line, is arranged in described pliability pipe fitting, and described mangneto line one end is connected with fixed seat, and the other end is then connected with described elastic stretching part,
Wherein when described pliability pipe fitting is straight shape, described elastic stretching part imposes elastic force to described mangneto line toward the direction of described lower fixed seat, makes described mangneto line be straight shape.
2. a kind of pliability mangneto position transducer as claimed in claim 1, is characterized in that, also comprise the protection tube being sheathed on described pliability pipe fitting, wherein said protection tube can be a snake belly tube, one braiding webmaster or a Compress Spring one of them.
3. a kind of pliability mangneto position transducer as claimed in claim 2; it is characterized in that; also comprise a signal transmission line, neighboringly and described mangneto line arrange or be arranged between described pliability pipe fitting and described protection tube, and to be electrically connected with described sensing circuit module.
4. a kind of pliability mangneto position transducer as claimed in claim 1, it is characterized in that, wherein said lower fixed seat also has a upper bush and a lower sleeve, is also provided with at least one waterproof washer between described upper bush and described lower sleeve, and described elastic stretching part is arranged in described upper bush.
5. a kind of pliability mangneto position transducer as claimed in claim 4, it is characterized in that, also comprise the fixation kit being incorporated into described lower sleeve, described fixation kit is sheathed on described pliability pipe fitting, and described pliability pipe fitting one end has the axle sleeve that is nested with described upper bush and wears an opening for described mangneto line.
6. a kind of pliability mangneto position transducer as claimed in claim 1, is characterized in that, wherein said elastic stretching part is a snail spring or a stripe shape spring.
7. a kind of pliability mangneto position transducer as claimed in claim 6, it is characterized in that, wherein said snail spring also comprises a latch, and described latch wears described snail spring respectively and is positioned described lower fixed seat both sides.
8. a kind of pliability mangneto position transducer as claimed in claim 1, it is characterized in that, wherein said lower fixed seat outer bottom is provided with one barrel of groove integrated structure.
9. a kind of pliability mangneto position transducer as claimed in claim 8, is characterized in that, wherein said bucket groove integrated structure is a screw or a perforation.
10. a kind of pliability mangneto position transducer as claimed in claim 1, is characterized in that, the coated insulation tube bank of wherein said mangneto line.
11. a kind of pliability mangneto position transducers as claimed in claim 1, is characterized in that, wherein said magnetic movable moving cell can be the magnetic ball float of or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269614.XU CN204556056U (en) | 2015-04-28 | 2015-04-28 | Pliability mangneto position transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269614.XU CN204556056U (en) | 2015-04-28 | 2015-04-28 | Pliability mangneto position transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556056U true CN204556056U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269614.XU Active CN204556056U (en) | 2015-04-28 | 2015-04-28 | Pliability mangneto position transducer |
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| Country | Link |
|---|---|
| CN (1) | CN204556056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106697A (en) * | 2016-11-24 | 2018-06-01 | 上海凡宜科技电子有限公司 | Flexible float ball type liquid level measuring device |
-
2015
- 2015-04-28 CN CN201520269614.XU patent/CN204556056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106697A (en) * | 2016-11-24 | 2018-06-01 | 上海凡宜科技电子有限公司 | Flexible float ball type liquid level measuring device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |