CN203758450U - Displacement sensor testing device - Google Patents
Displacement sensor testing device Download PDFInfo
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- CN203758450U CN203758450U CN201320865751.0U CN201320865751U CN203758450U CN 203758450 U CN203758450 U CN 203758450U CN 201320865751 U CN201320865751 U CN 201320865751U CN 203758450 U CN203758450 U CN 203758450U
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- magnet ring
- pipe
- displacement transducer
- pipeline
- diameter
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A displacement sensor testing device comprises a test cylinder, a magnet ring, a magnet ring carrier, a front pressing pipeline and a tail pressing pipeline. One end of the test cylinder is closed and the other end of the test cylinder is opened. A displacement sensor is inserted in the opening end of the test cylinder to form a sealed cavity. The magnet ring is embedded in the magnet ring carrier and disposed in the sealed cavity to divide the cavity into a front cavity and a rear cavity. The front pressing pipeline stretches into the front cavity to apply pressure, so that the combined piece of the magnet ring and the magnet ring carrier moves backward along the displacement sensor. The tail pressing pipeline stretches into the rear cavity to apply pressure, so that the combined piece of the magnet ring and the magnet ring carrier moves forward along the displacement sensor. The displacement sensor testing device is provided with an independent testing device to carry out pre-installation test, solves problems that when the high-temperature test is carried out, components of the displacement sensor testing device can be damaged in heating process, and inconvenience caused by repeated installation and dismounting exists, and is advantaged by being simple in structure, good in safety, convenient to operate and the like.
Description
Technical field
The utility model relates to a kind of proving installation, particularly relates to a kind of magnetostrictive displacement sensor proving installation.
Background technology
Magnetostrictive displacement sensor, is to utilize magnetostriction principle, is intersected and is produced strain-pulse signal and come Measurement accuracy position by two different magnetic fields.Its measuring sensor is a waveguide, and the sensitive element in waveguide is made up of magnetostriction materials.Measuring process is, by generation current pulse in the electronic room of sensor, this current impulse is transmitted in waveguide, thereby outside waveguide, produce a circumference magnetic field, when this magnetic field with when being enclosed within on waveguide the magnetic field producing as the movable magnet ring of change in location and intersecting, due to magnetostriction effect, in waveguide, can produce a strain mechanical wave pulse signal, the speed of sound transmission of this strain mechanical wave pulse signal to fix, and detected by electronic room, electronic room according to strain mechanical wave pulse signal the transmission time in waveguide determine the distance between the electronic room of movable magnet ring.Magnetostrictive displacement sensor is because its good adaptability, reliable measuring accuracy are widely used.
To be a qualified sensor in order ensureing to be arranged on instrument before use, conventionally need to test in advance its performance, the sampler barrel the inside that prior art can only the be arranged on instrument scale test that is connected with instrument again.If sensor scale test before installation is bad, can affect the position of determining that sampler barrel and pump barrel piston move in operation process.This sensor needs to be placed on heating box the inside in scale test process will pass through high temperature test, is directly installed on sampler barrel and high temperature test is done in pump barrel the inside, can have damage to other parts inside sampler barrel and pump barrel.Installation and unloading process are very inconvenient.
Summary of the invention
The utility model provides a kind of displacement transducer proving installation, its objective is sensor to be connected with instrument to test afterwards again, prevents from repeatedly installing and removing the damage to instrument component, realizes can realizing before installation sensor is realized to test.
In order to realize foregoing invention object, the technical scheme that the utility model is taked is as follows:
A kind of displacement transducer proving installation, comprise test barrel, magnet ring, magnet ring carrier, front end pressurized pipeline and tail end pressurized pipeline, the sealing of described test barrel one end, one end opening, displacement transducer inserts test barrel openend, form the cavity of sealing, described magnet ring embeds magnet ring carrier, and be placed in the cavity of sealing cavity is divided into front chamber and rear chamber, front end pressurized pipeline stretches into front chamber's note and presses, the assembly that promotes magnet ring and magnet ring carrier moves after the waveguide of displacement transducer, described tail end pressurized pipeline stretches into rear chamber's note and presses, promote the assembly of magnet ring and magnet ring carrier along the waveguide reach of displacement transducer.
Further, described test barrel is pegged graft and is formed by cylindrical shell and plug, between the two for interference connects.
Further, described magnet ring carrier is socketed to form by Large Diameter Pipeline part and pipe with small pipe diameter part, between the two for interference connects.
Further, described Large Diameter Pipeline part is reducer pipe, and its internal diameter is step to be changed.
Further, the minimum diameter of described Large Diameter Pipeline part equates with pipe with small pipe diameter part internal diameter, and maximum inner diameter equates with pipe with small pipe diameter part external diameter.
Further, described pipe with small pipe diameter part is equal pipe, and it is inserted in end outer wall constriction, jointly encloses magnet ring caulking groove with Large Diameter Pipeline inside pipe wall.
Compared to the prior art the utility model, has following beneficial effect:
The utility model, by independently proving installation is set, is installed front test, has avoided in the time carrying out high temperature test, heats and can cause damage to other positions of instrument; Avoid directly sensor being connected on instrument and being tested simultaneously, need to repeatedly mount and dismount, operation inconvenience, and the easy problem that other elements on instrument is caused to damage.
Proving installation described in the utility model, simple in structure, security is good, operate very convenient, fast save time, laborsaving, increase work efficiency, can realize and by installation of sensors to same test effect on instrument.
Brief description of the drawings
Fig. 1 is proving installation structural representation.
Fig. 2 is A place enlarged drawing in Fig. 1.
Reference numeral: 1-cylindrical shell, 2-plug, 3-front end pressurized pipeline, 4-tail end pressurized pipeline, 5-Large Diameter Pipeline part, 6-pipe with small pipe diameter part, 7-magnet ring, 8-displacement transducer.
Embodiment
For making goal of the invention of the present utility model, technical scheme and beneficial effect more cheer and bright, below in conjunction with accompanying drawing, embodiment of the present utility model is described, it should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
Fig. 1 is proving installation structural representation.As shown in Figure 1, a kind of displacement transducer proving installation, comprise test barrel, magnet ring 7, magnet ring carrier, front end pressurized pipeline 3 and tail end pressurized pipeline 4, the sealing of described test barrel one end, an end opening, displacement transducer 8 inserts test barrel openend, form the cavity of sealing, described magnet ring 7 embeds magnet ring carrier, and is placed in the cavity of sealing cavity is divided into front chamber and rear chamber, and the assembly of magnet ring 7 and magnet ring carrier is similar to piston; Front end pressurized pipeline 3 stretches into front chamber, and tail end pressurized pipeline 4 stretches into rear chamber.In the time that needs magnet ring moves to plug, front end pressurized pipeline 3 notes are pressed, and the assembly that promotes magnet ring 7 and magnet ring carrier moves after the waveguide of sensor; In the time that needs magnet ring moves away from plug, tail end pressurized pipeline 4 notes are pressed, and promote the assembly of magnet ring 7 and magnet ring carrier along the waveguide reach of sensor.In front end pressurized pipeline 3 and tail end pressurized pipeline 4, be injected to liquid or gases at high pressure.The hydraulic pressure of selecting in the present embodiment.
Referring to Fig. 1, in the present embodiment, front end pressurized pipeline 3 penetrates from plug 2, in plug, behind pre-buried one end, passes again from plug, walk pipe to cylindrical shell 1 along cylindrical shell 1 outer wall and penetrate afterwards foremost cylindrical shell 1, in figure, arrow represents that pressure applies direction in front end pressurized pipeline 3.The vertical plug 2 of tail end pressurized pipeline 4 penetrates, and then parallel stringing is to penetrating in rear chamber.In figure, arrow represents that pressure applies direction in tail end pressurized pipeline 4.The wire laying mode of front end pressurized pipeline 3 and tail end pressurized pipeline 4 can be selected flexibly according to reality, presses toward front chamber's note as long as can realize front end pressurized pipeline 3 in the situation that meeting leakproofness and technological requirement, and tail end pressurized pipeline 4 is pressed toward rear chamber's note.
Referring to Fig. 1, in the present embodiment, described test barrel is pegged graft and is formed by cylindrical shell 1 and plug 2, and for the sealing after pegging graft, cylindrical shell 1 coordinates by draw-in groove with the link of plug, and interference connects.Adopt O-ring seal sealing simultaneously.Above-mentioned three kinds of seal approach can or be selected wherein several simultaneously, as long as can meet requirement of experiment by pressure testing.Also can in the situation that meeting technological requirement, test barrel be made as to a sealing, the overall body of an opening.Cylindrical shell 1 is isometrical straight tube, in order to form good connection with displacement transducer 8, with displacement transducer 8 link positions, cylindrical shell 1 inwall inwardly convexes into the holding division to displacement transducer 8, the internal diameter of interior convex portion is slightly larger than the external diameter of displacement transducer 8 connecting portions, make to form between displacement transducer 8 and cylindrical shell 1 leakproofness and load performance all interference be preferably connected.
For the combination physical efficiency that realizes magnet ring 7 and magnet ring carrier moves along waveguide under pressure, there is good leakproofness simultaneously, and assembly not can with waveguide friction or wearing and tearing, the magnet ring carrier adopting in the present embodiment is socketed to form by Large Diameter Pipeline part 5 and pipe with small pipe diameter part 6, between the two for interference connects.Referring to Fig. 2, Large Diameter Pipeline part is reducer pipe, and its internal diameter is step to be changed.The minimum diameter (i.e. the 3rd step place diameter) of Large Diameter Pipeline part, equates with pipe with small pipe diameter part internal diameter, and maximum inner diameter (being first step place diameter) equates with pipe with small pipe diameter part external diameter, and the 3rd stepped diameters of Large Diameter Pipeline part 5 is than waveguide slightly larger in diameter.Pipe with small pipe diameter part 6 is internal diameter equal pipe, and its outer wall is in order to form and to closely cooperate with Large Diameter Pipeline part 5, with Large Diameter Pipeline part 5 first steps (being that Large Diameter Pipeline part 5 is near front chamber's part) correspondence position, pipe with small pipe diameter part 6 outer wall evaginations, form concavo-convex cooperation with Large Diameter Pipeline part 5.In order to form magnet ring caulking groove at Large Diameter Pipeline part 5 second step afterbodys, pipe with small pipe diameter part 6 is inserted in the inside constriction of end outer wall, coordinate with Large Diameter Pipeline inside pipe wall and form magnet ring caulking groove, Large Diameter Pipeline part 5 and pipe with small pipe diameter part 6 seam crossings, Large Diameter Pipeline part 5 and cylindrical shell 1 surface of contact and Large Diameter Pipeline part 5 and pipe with small pipe diameter part 6 are all provided with O-ring seal with waveguide seam crossing.
Adopt this device to carry out the test process of course of work displacement transducer 8 as follows: two oil pipes of external hydraulic system are connected with front end pressurized pipeline 3 and tail end pressurized pipeline 4 respectively.If elder generation is from 3 oil-feeds of front end pressurized pipeline, hydraulic oil can enter into front chamber by the front end pressurized pipeline of cylindrical shell outside, the piston that promotes the assembly formation of magnet ring 7 and magnet ring carrier moves to cylindrical shell 1 afterbody, and the hydraulic oil of rear chamber can flow back in hydraulic reservoir by tail end pressurized pipeline 4.If hydraulic oil enters from tail end pressurized pipeline 4, hydraulic oil can promote piston to the anterior motion of cylindrical shell 1, and the hydraulic oil of front chamber can flow back into hydraulic reservoir by the hydraulic line of cylindrical shell outside.Piston drives magnet ring operation in the process of seesawing, and has reached the effect of testing sensor.Piston is changed direction and is moved through that the reversal valve that is arranged in hydraulic system realizes.
Although the embodiment that the utility model discloses as above, the embodiment that its content just adopts for the ease of understanding the technical solution of the utility model, is not intended to limit the utility model.Technician under any the utility model in technical field; do not departing under the prerequisite of the core technology scheme that the utility model discloses; can in the form of implementing and details, make any amendment and variation; but the protection domain that the utility model limits, the scope that still must limit with appending claims is as the criterion.
Claims (6)
1. a displacement transducer proving installation, it is characterized in that: comprise test barrel, magnet ring (7), magnet ring carrier, front end pressurized pipeline (3) and tail end pressurized pipeline (4), the sealing of described test barrel one end, one end opening, displacement transducer (8) inserts test barrel openend, form the cavity of sealing, described magnet ring (7) embeds magnet ring carrier, and be placed in the cavity of sealing cavity is divided into front chamber and rear chamber, front end pressurized pipeline (3) stretches into front chamber's note and presses, the assembly that promotes magnet ring (7) and magnet ring carrier moves after the waveguide of displacement transducer (8), described tail end pressurized pipeline (4) stretches into rear chamber's note and presses, promote the assembly of magnet ring (7) and magnet ring carrier along the waveguide reach of displacement transducer (8).
2. displacement transducer proving installation according to claim 1, is characterized in that: described test barrel is pegged graft and formed by cylindrical shell (1) and plug (2), between the two for interference connects.
3. displacement transducer proving installation according to claim 1, is characterized in that: described magnet ring carrier is socketed to form by Large Diameter Pipeline part (5) and pipe with small pipe diameter part (6), between the two for interference connects.
4. displacement transducer proving installation according to claim 3, is characterized in that: described Large Diameter Pipeline part is reducer pipe, and its internal diameter is step to be changed.
5. displacement transducer proving installation according to claim 4, is characterized in that: the minimum diameter of described Large Diameter Pipeline part equates with pipe with small pipe diameter part internal diameter, and maximum inner diameter equates with pipe with small pipe diameter part external diameter.
6. displacement transducer proving installation according to claim 3, is characterized in that: described pipe with small pipe diameter part is equal pipe, and it is inserted in end outer wall constriction, jointly encloses magnet ring caulking groove with Large Diameter Pipeline inside pipe wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865751.0U CN203758450U (en) | 2013-12-25 | 2013-12-25 | Displacement sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865751.0U CN203758450U (en) | 2013-12-25 | 2013-12-25 | Displacement sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758450U true CN203758450U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865751.0U Expired - Fee Related CN203758450U (en) | 2013-12-25 | 2013-12-25 | Displacement sensor testing device |
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| CN (1) | CN203758450U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298281A (en) * | 2017-07-05 | 2017-10-27 | 宁夏天地奔牛实业集团有限公司 | Displacement transducer protector and the belt self-movable foot end that displacement transducer is set |
| CN107883861A (en) * | 2016-09-29 | 2018-04-06 | 西克埃泰克有限责任公司 | Position sensor |
| CN109489521A (en) * | 2018-11-30 | 2019-03-19 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Product in enclosure space is tested under a kind of normal temperature environment, is adjusted, the structure of data acquisition |
-
2013
- 2013-12-25 CN CN201320865751.0U patent/CN203758450U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883861A (en) * | 2016-09-29 | 2018-04-06 | 西克埃泰克有限责任公司 | Position sensor |
| US10533880B2 (en) | 2016-09-29 | 2020-01-14 | Sick Atech Gmbh | Position sensing using waveguide configured to conduct mechanical pulses triggered by magnetostriction |
| CN107298281A (en) * | 2017-07-05 | 2017-10-27 | 宁夏天地奔牛实业集团有限公司 | Displacement transducer protector and the belt self-movable foot end that displacement transducer is set |
| CN109489521A (en) * | 2018-11-30 | 2019-03-19 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Product in enclosure space is tested under a kind of normal temperature environment, is adjusted, the structure of data acquisition |
| CN109489521B (en) * | 2018-11-30 | 2021-02-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Structure for testing product in closed space under normal temperature environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CHINA OILFIELD SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA OILFIELD SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |